bluuebunny/crossref_metadata_2025 huggingface dataset:
Prestressed Anchor Cable and Concrete Bored Pile Combined Support Technology
Authors: Qian Da Xing , Zhang Hou Tian
Published: October 2012

This article through the analysis of prestressed anchor cable and concrete pouring pile in support of their respective characteristics of the force, in a number of supporting more challenging and demanding conditions, the prestressed anchor and bored concrete pile combined support method, play to their respective support advantage to gain better engineering effect. This paper describes the support principle and key procedure.
Experimental Research on the Effects of Pipe Diameter on Axial Compression Properties of GFRP Tubes Reinforced Concrete Column
Authors: Zhang Yun Feng , Liu Shou Kang , Zhao De Wang
Published: October 2012

Through the axial compression experiment of 9 GFRP tubes reinforced concrete columns, this paper analyzes the failure mode and loading-strain curves under different pipe diameter, and compares bearing capacity between the experimental data with FRP reinforced concrete and the calculated value without GFRP tubes reinforced concrete. he results show that the bearing capacity and ductility of GFRP tubes reinforced concrete column have improved, because of the restriction effect of FRP tubes. The confining ability of FRP tubes on concrete reduced for a certain thickness GFRP tubes constraint concrete short column, while the pipe diameter is increasing.
Experimental Research and Finite Element Analysis on the Axial Pressure Bearing Capacity of Steel skeleton-Steel Pipe Reinforced Composite Concrete Columns
Authors: Li Yun Yun , Yang Bao Sheng
Published: October 2012

This paper studies the working mechanism, ductility, and ultimate load bearing capacity of the composite columns through axial load bearing capacity experiments on eight steel skeleton-steel pipes reinforced composite concrete columns. The results show that the collaborative work between the steel pipe, steel skeleton and concrete can effectively improve the bearing capacity of the column, delay or inhibit the spread of shear diagonal cracks in the concrete and improve the ductility of the column. In addition, the finite element software ANSYS is used to digitally simulate the whole process of axial pressure test, and the resulting load-displacement curves and experimental curves agree fairly well.
Summary of joint Connection of Prefabricated Shear wall Structural System
Authors: Cui Jian Hua , Ye Juan
Published: October 2012

Based on the needs of housing industrialization, prefabricated structures with good development prospects, rational connection structure is the key of prefabricated structure to the development and application. Classify and analyze on the connection of prefabricated components in this essay. Summarize the research results and status on the prefabricated structure of shear wall at home and abroad .And finally, make the prospect on the development and research of prefabricated concrete structure.
Research on Urban Transportation Development Strategy Transition
Authors: Wang Jian Jun , Xiong Dan , Lei Da , Qiu Yue , Fu Jing Jing
Published: October 2012

With the rapid development of the economy, most of our cities have entered a period of rapid development, urban traffic congestion and other problems have become increasingly prominent. In view of the above situation, we specially analyze domestic and international urban transportation development strategy and the formation of traffic pattern; explore the rule of urban transportation development strategy; comprehensively compare and analyze the advanced experience of domestic and international transportation development strategy; sum up urban transportation development strategy transition mode, the future developing trend and some macro traffic control strategy. It indicates the direction of alleviating urban traffic congestion and promotes the development of modern cities sound and rapid.
Traffic Control Performance Evaluation at Road Intersections: A Case Study in the City of Changchun
Authors: Liu Zhong Bo , Yang Zhao Sheng
Published: October 2012

According to the conditions of traffic flow and geometric characteristics of road intersections, a novel method is proposed to determine the sight distance triangle with the consideration of crossing intervals and traffic volume on the secondary road. Then the control mode is suggested for general plane intersections. In final, a simulation example in the city of Changchun is used to verify the effectiveness and performance of this traffic control mode model.
Effects of Concrete Content on Seed Germination and Seeding Establishment of Lolium Perenne - An Implication for Vegetation Concrete Matrix Technology
Authors: Xu Yang , Chen Fang Qing
Published: October 2012

Lolium perenne is an important species applied in the ecological restoration of slope through vegetation concrete. A controlling experiment was employed which included five level of concrete contents. The changes of germination rate, survival rate, plant height, leaf number and related parameters of root growth under different levels of concrete were determined to uncover the relationship between concrete content and seed germination, seedling establishment. The results shown that the concrete content have significant effects on seed germination and seedling establishment. Seed germination, seedling leaf number, plant height, aboveground biomass, belowground biomass and root length, root crossing number increased with the increasing of concrete content at the range from 0 to 8 %, but decreased sharply when concrete content was over 8%. However, seedling survival decreased all the time with the increasing of concrete content. These results suggested that concrete content had promoting effects on seed germination and seedling growth at the range form 0 to 8%, but had a negative effect on seedling survival. 8 % seem the suitable concrete content for seed germination and seedling growth in the vegetation concrete matrixes. In the specific ecological restoration projects, concrete content should be determined combining with the strength requirements of slope. Concrete content usually should be lower than 8 %. The seeding seeds should be increased when the concrete content had to be over 8 %.
Research Sustainable Protection and Development of Industrial Heritage - For Example Laolongkou Distillery
Authors: Hao Ou , Xie Zhan Yu , Ha Jing
Published: October 2012

Through the design of the Laolongkou distillery Sustainable protection research, The author get the method about latent economic benefits in excavation culture, provides a new road for other local historical heritage constructive protection development. Firstly, the Distillery heritage cannot be changed and want to bring economic value. This creates a contradiction, and how to make living environment and Distillery production environment not contradiction. The authors adopt a "platform" idea. Secondly, sustainable development of distillery culture characteristics. There are a lot of cultural relics and intangible cultural heritage, use these elements improve tourism environment level and quality, show distillery industrial heritage characteristic, obtain industrial tourism economic and cultural benefits.
The Research on Nanchang Low-Carbon City Feature Planning
Authors: Chen Wu Ying , Xiong Jie
Published: October 2012

Under the circumstances of the changing of global climate, low-carbon city has been pursued all over the world. Associated with the overall situation of Nanchang, this paper makes a fully understanding of the features of Nanchang, such as low-carbon idea, low-carbon economic, low-carbon landscape, and so on. Based on constructing new system of low-carbon traffic, new image of low-carbon building, demonstration area of low-carbon development and low-carbon community cooperatively, we propose planning of low-carbon features of Nanchang.
Investigation and Analysis of Living Environment in Harbin
Authors: Xia Hong Jia , Gu Han , Pang Bo
Published: October 2012

The city development goal of Harbin is described as be suitable for living, be suitable for venture, and be suitable for the comprehensive development of people. In recent years, Harbin residential environment construction has already been improved under the guidance of this development concept. The article summarized the advantages and disadvantages of our city’s residential environment basing on the overall investigation of representative 15 residential districts current situation, so as to provide the references to build the harmonious and boom residential environment.
Adsorption of Zn2+ by Sargassum horneri and Desorption at Simulated Marine Environment
Authors: Zhou Yan , Fang Yuan Hao , Zeng Gan Ning , Zheng Chong Ying , Ai Ning , Wang Tie Gan , Bao Hai Jun , Zhou Hong Yan
Published: October 2012

The adsorption of Zn2+ from simulated seawater onto biomaterial derived from the macroalgae Sargassum horneri was investigated via batch experiments. The highest adsorption rate was 96.9%, which found in the lower Zn2+ concentration solution where pH was 8.0 and temperature was 15°C, and the maximum adsorption capacity of dead Sargassum horneri particle to Zn2+ could arrive to more than 0.20 mg.g-1. Sargassum horneri pretreated with CaCl2 can increase the adsorption rate. Infrared analysis results showed that carboxylic acid groups have an important contribution to Zn2+ adsorption. The adsorption equilibrium of Zn2+ could be represented by pseudo-second-order model and the capacity of dead alga for Zn2+ was approximately constant. Conclusions could be drawn that Sargassum horneri is a kind of efficient biosorbent for the treatment of waste waters containing heavy metals. It was because Zn2+ can easily be desorbed by competition between the hydrogen ions and metal ions on the cell surface binding sites, that hydrochloric acid was proved to have economic feasibility.
Development of Soil Screening Levels for Contaminated Sites Assessment in Beijing
Authors: Zhou You Ya , Zhou Hui Yan , Tang Yan Dong , Yan Zeng Guang , Zhang Chao Yan , Jiang Lin , Li Fa Sheng , Bai Li Ping , Liu Li
Published: October 2012

The Risk Based Corrective Action (RBCA) Tool Kit for Chemical Releases was used to develop Soil Screening Levels (SSLs) for contaminated sites assessment in Beijing. A total 88 contaminants, including inorganic compounds, volatile organic compounds, semi-volatile organic compounds, pesticides, polybrominated biphenyls and others, were identified as the priority compounds of concern, and a range of exposure parameters, toxicological data and site factors based on the environmental monitoring data from several contaminated sites in Beijing, were used as model inputs to derive SSLs. The proposed SSLs were evaluated and validated by comparing with corresponding values in some other countries/regions. The present study has an important guiding significance for the development of risk-based SSLs in other provinces/cities of China.
Problems of Healing Environmental in Previous Researches and Resolution Methods
Authors: Fan Xiao Xiao , Kim Yong Soo , Jung Tae Yeol , Kim Eun Jin
Published: October 2012

In this study, the problems of researches for healing environment were analyzed and the resolve methods were proposed. We reviewed a great quantity of research papers which covered 4 fields - medical field, geography field, landscape gardening field, and architecture field as the database. Further, we pointed out the weak points on research background, research method, research target, research content and phraseology of detail elements. Meanwhile, we proposed the resolutions for resolve the weak points, such as the research content for reclassifying with characteristic and normalization methods for words. This research provided the basic method to healing environment research provides. It has significant for the research about healing environment in the future.
Remediation of Lead-Zinc Contaminated Soil in China
Authors: Zhou Lian Bi , Wu Qiang , Gao Guo Long
Published: October 2012

For lead-zinc polluted soil, the sources, formation, harm, transformation of heavy metals were summarized. Relative policies, contaminated soil type, remediation standard, remediation technologies and existing problems were studied, providing reference for Chinese lead-zinc polluted soil remediation.
Study on Selection Method of Analogy Line in High Voltage Transmission Project Environmental Impact Assessment
Authors: Huang Lei , Cheng Huang Xin , Wang Mei
Published: October 2012

This article integrate the theoretical calculation of the power-frequency electromagnetic field intensity and radio interference intensity under transmission line, and analyze the factor which influence the value and distribution of the electromagnetic field, radio interference under transmission line, aiming to provide basis and reference for other environmental assessment of electromagnetism. The study shows that a reasonable selection of analog lines can get an accurate result as the theoretical calculation. Important factors of analog lines selection including: grade of voltage, current, height of line, location order of line, number of circuit, section area of line, number of bundle conductors.
The Effects of Perfluorooctane Sulfonate (PFOS) on Physiological Status and Proliferation Capacity of Scenedesmus obliqnus
Authors: Zhang De Yong , Xu Xiao Lu , Lu Yin , Xu Hui Ying , Yan Hui Min
Published: October 2012

To evaluate the toxic effects of environmental contaminant PFOS on green algae, Scenedesmus obliqnus was cultured in media containing serially diluted PFOS for evaluation of proliferation capacity and some physiological indexes. Within 96h, PFOS doses ≥50 mg/L all inhibited the proliferation speed of Scenedesmus obliqnus(p<0.05). The 96h EC50 value of PFOS was determined to be 126 mg/L. In a chronic experiment with 8 days of PFOS treatment, chlorophyll a content, which was inhibited by even the lowest dose, showed to be the most sensitive index to PFOS contamination. PFOS doses ≥100mg/L all resulted in decreasing of antioxidant enzyme activity and increasing of MDA content in Scenedesmus obliqnus(P<0.05).
The Facade Style Research about Renovation of Public Building in City
Authors: Su Dong Bin , Nie Zhi Yong , Huang Jing Yong
Published: October 2012

In today’s China, with the development of economy, the urban construction is also very rapid. However, the high speed development has also created many problems. For example, the urban public building layout is unreasonable, the quality of public building is not high. Therefore, many public buildings will be a state of being removed. In order to lengthen the building’s life, Renovation of the building became the topic which the society pays attention together. The renovation of the building has many ways, Transform the building’s facade can change effectively the building’s image and the cost is low. Therefore this article sets up urban public building’s facade transformation to take the research aim, and put the focus to the architectural style.
Repeated Batch Biotransformation from Isoeugenol to Vanillin by Immobilized Bacillus fusiformis Cells in CSTR Reactor
Authors: Zhao Li Qing , Fang Jia Mao , Chen Wei Bin , Xiao Xiang Dong
Published: October 2012

Bacillus fusiformis CGMCC1347, screened from soil, was immobilized successfully to biotransform isoeugenol to vanillin. The optimal immobilization conditions were 2.5% sodium alginate, 10% cell density and Ca2+ 0.1 mol l-1. The optimal reaction conditions in a 2 L CSTR reactor with immobilized Bacillus fusiformis CGMCC1347 cells were isoeugenol 600 mL, immobilized cells 400 g, pH 3.5 dH2O 400 mL, 37 oC, 200 r min-1 shaking speed and 0.8 vvm air capacity. The average vanillin concentration reached 39.26 g l-1 after 6 times reuse of immobilized cells in 2 L CSTR.
Research of Cover and Management Factor in the Model of the Revised Universal Soil Loss Equation of Black Earth Erosion in Northeastern Part of China
Authors: Liu Teng Jiao , Liu Zhi Ming , Sun Wei Qi
Published: October 2012

Solid vegetation roots may lead to the strong grip on the soil, thus they have a lot of positive effects, such as reducing both the rainfall kinetic energy and the amount of soil erosion, strengthening soil conservation and soil-reinforcement. Therefore, vegetation is a decisive factor in preventing soil erosion. Cover-management-C-factor is an important influential factor in The Universal Soil Loss Equation (USLE), determined mainly by such factors as vegetation coverage, situation of land utilization, productivity level, crop cultivation order, crop growing sequence, etc. So the value of Cover-management-C-factor is often difficult to estimate. Based on GIS technology, vegetation cover parameters drawn by SPOT statistics as well as field study, this research reveals the different land use types in the northeastern area of China so that the C-value of that area can be calculated through both formula and experimental assignment. Furthermore, by comparison of the two results, the C-value will be proved more precise and practical and thus its impact on soil erosion will provide more scientific basis for us.
Investigation and Evaluation on Pollution and Disposal of Integrated Circuit Project
Authors: Su Rong Jun
Published: October 2012

To study the environmental impact of a project of 8 inches integrated circuit chip (8IICCP), investigation and analysis on engineering features, process flow, pollution and treatment of waste water, waste gases, and waste solids were done in this paper. The results showed that it would produce industrial 4110 m3/d of wastewater in the production in which 2920 m3/d of process waste water needed to be treated. After being treated, F-, NH3-N, Phosphate, COD(Chemical Oxygen Demand), TOC(Total Organic Carbon) and SS(Suspended Solid) concentrations in effluent of industrial wastewater would be 1.85 mg/L, 1.85 mg/L, 0.32 mg/L, 119.7 mg/L, 58.7 mg/L and 34.2 mg/L respectively. It also would produce many kinds of waste gases in which 4 kinds of them needed to be treated by local scrubber systems respectively. After being treated, the emissions can satisfy the demand. All predicted results can meet the requirements of relevant state standards. Moreover discharging volume of waste liquids and solids and their treating plan had been presented. This project is feasible on aspects of water, air and waste solid environmental influence.
Life Cycle of Bloom-Forming Cyanobacteria and its Influencing Factors
Authors: Gu Zheng Di
Published: October 2012

Many eutrophic lakes are threatened by cyanobacterial blooms. The bloom-forming cyanobacteria are capable of nuisance growth and produce toxins, resulting in serious threats to water safety and human health. This paper summarized physiological and ecological characteristics of bloom-forming cyanobacteria in their annual life cycle, internal regulation mechanisms and environmental factors for blooms formation. In winter, dormant period is regarded as the continuation of cyanobacteria populations, which conserve “seed bank” for the following year. In spring, recruitment can be defined as an inoculation of overwintering cyanobacteria to the pelagic phase after growth recovery under suitable conditions. Temperature, resuspension and bioturbation had been recognized to be the main driving factors for recruitment. Shortly after recruitment, cyanobacteria establish dominance by fast growth rate and colony enlargement strategy. Under suitable meteorological and hydrological conditions, cyanobacterial colonies aggregate and float up to form heavy blooms, which can lead to water supply crisis and ecological disaster. From late autumn, blooms disaggregate and decline. The sinking process is not only a periodic life cycle but also an irregular mechanical movement. Cyanobacteria accumulation areas in late autumn might highly related to the first occurence locality of blooms in the following year. This information could provide valuable information for the prediction and prevention of cyanobacterial blooms, so as to establish a more stable and healthy ecosystem in lakes.
Study on Standard System for Environmental Protection in Highway and Water Transportation
Authors: Shao She Gang , Shen Yi , Yang Yan Gang
Published: October 2012

Based on the analysis of the field and characteristics of environmental protection in highway and water transportation, the fields of the standardization of environmental protection in highway and water transportation were defined into the environmental protection supervision, environmental protection in traffic planning, infrastructure facility construction and maintenance, passenger and freight transport, and the standard system was positioned as the level of specific trade standards system, including basic and specific standards. By analyzing the intersection among existing standard systems in China and characteristic of highway and water transportation, part of standards of standard system for national environmental protection, engineering construction of highway and water transportation, inland river shipping were used relative standards of standard system for environmental protection in highway and water transportation, and standards for pollution control of shipping were included standards system for environmental protection in highway and water transportation.
Studies on Plant Invasion and Biodiversity Conservation of Ecological Super Highway - A Case of Henan Province
Authors: Zhao Jun Hui , Gao Jun Zhao
Published: October 2012

Recently the researches on ecological super highway remediation technology have risen, but influence degree of invasive plants is not clear. Based on field investigations , 58 vegetations of expressway slope in Henan province were figued up, in which there were 4 invasive plants. Invasive law has been summarized and remediation suggestions have been proposed.
Effects on Speciation of Ni & Cd in Sewage Sludge during Composting only and Co-Composting with Fly Ash Added
Authors: Zeng Zheng Zhong , Wang Xiao Li , Pan Yu , Nan Zhong Ren
Published: October 2012

The land use has become the international mainstream and the favorable direction to dispose the municipal sewage sludge in recent years. The heavy metals, however, are the major barrier that limit the land utilization. Batch aerobic composting experiments were conducted to investigate the effect of composting and co-composting with fly ash on the shape of the heavy metals (Ni & Cd) in sludge by using the sawdust to regulate the C/N ratio. Results have shown that co-composting with fly ash can significantly change Ni & Cd species distribution, leading unstable state content of Ni lower than composting only. However, the result is not as good as composting only in terms of Cd. At the same time the fly ash dosage equaling 14% of the dry sludge mass was the optimized quantity to guarantee the lowest exchangeable fraction amount of the two heavy metals.
The Relation between Environment Pollution and Economic Growth in Western of China - Taking Chongqing as an Example
Authors: Hu Xiu Zhong
Published: October 2012

With the environmental Kuznets curve theory, this paper analyzed the relation between economic growth and environment pollution and took Chongqing in western of China as an example. The results showed that the relation between economic growth and environment pollution in Chongqing appeared the "pour N", that was to say, as the economic growth, the environment pollution in Chongqing would present the trend of "down- rise-down". From the year of 2000, China had been implementing the strategy of "the great development of the west", which led to the worsening environmental pollution as the economic growth. But in recent years, with more capital into the western region for controlling pollution, the environmental had been improved.
Behavioral Analysis and Countermeasure Study of “Hidden Action” of Contractors in a View of Evolutionary Game Theory
Authors: Qu Na , Chen Yong Quan
Published: October 2012

In order to maximize profits as best as they can, contractors has caused low construction quality and made safety accidents repeatedly occur by taking strategy of “Hidden Action” for utilizing the vantage point of information asymmetry in process of building products. In applying evolutionary game theory, this paper will build and analyze the evolutionary game mode of client and contractor, as well as discussing countermeasures that how to reduce contractor’s behavioral choice of “Hidden Action” and promote the quality safety of construction engineering.
New Enterprise Management Model of Protection and Utilization for Chinese Ancient Villages
Authors: Fei Wei
Published: October 2012

Aiming at the common phenomena and issues of Chinese ancient village graduating away and unmerited protection and utilization of existing ancient villages, this paper compares overseas modus operandi and analyzes the existing situation of China country. Hereby this paper proposes the enterprise management new model and decision frame of Chinese ancient villages’ protection and utilization. The analysis and conclusions are helpful to overcome passive protection awareness which has been all the while derived from top to bottom.
Analysis on the Protection Methods and Obstacles of Ancient Village in the Huanghe Valley
Authors: Li Xian E , Ma Jing
Published: October 2012

The protection for the ancient villages which located in the Huanghe Valley has its special value. In the recent practice, there are mainly 5 methods rising, key point protection, partial protection, comprehensive protection, the distribution for the entire protection, and block courtyard-style. This paper mainly illustrates five ways of the ancient village protection, analyzes the obstacles in the protecting process, and further improve ideas.
Sustainable Development of Engineering Construction in China
Authors: He Pei Ling , Chen Mei Ya
Published: October 2012

The problems, the need for sustainable development, measures and recommendations
Standardization of the Results and Achievement Evaluation of Government Supervision Organizations for Construction Quality
Authors: Guo Han Ding , Ma Xing Neng , Lei Li Zheng , Zhang Yin Xian
Published: October 2012

Standardization system of government supervision organizations for construction quality is standardized work procedures, standardized code of conduct and standardized system based on normalized working behavior, working process, working content, decision-making procedures, implementation measures and work results of government supervisory organizations for construction quality. Standardization system of supervision and decision-making is an important way to make government supervisory organizations for construction quality scientific, effective and authoritative. Not only does it require standardization of supervision decision, it also needs standardization of its support system and results form, videlicet, the expression standardization of supervision results and assessment standardization of performance evaluation. The essence of the expression standardization of supervision results is standardization of supervision files, unification of supervision and inspection forms, modeling of supervision information processing and sharing, formatted supervision report form and standardized of supervision conclusion expression; assessment standardization of performance evaluation includes comprehensive of performance evaluation on supervision, science of management evaluation on supervision market and dynamic of latter appraised on supervision project.
Modeling of the UWB GPR for Reinforced Concrete Quality Inspection
Authors: Zhang Shuang Shi , Wang Xu Ben , Wang Wei Hua , Mao Li Feng
Published: October 2012

The aim of the work is to investigate the method of modeling of the UWB GPR for reinforced concrete quality test. Several very important techniques which are ideal for UWB GPR, such as Higher-Order Finite-Difference Time-Domain (HOFDTD), absorbing boundary conditions of Convolution Perfectly Matched Layer (CPML), SGS, signal of pulse train modulated by pseudo random codes and etc. are discussed. Numerical experimental results clearly show that the methods described in this article is much better than traditional ones, and prospecting depth and horizontal vertical resolution of the UWB GPR based on the techniques above all are superior to that of normal GPR. It must receive very good results to use the UWB GPR for reinforced concrete quality inspection in projects.
Study of Urban Complex Project’s Risk Identification
Authors: Li Zhi Bin , Cheng An Shun , Deng Hong Juan
Published: October 2012

Versatile and high effciency, the urban complex is an intergrated building combining with more than three functions of urban life such as hotel, housing, working, park, commerce, meeting center. As for risk identification, it is the foundation of risk management, and the reference of risk assessment, prevention, monitoring and management. This paper used risk management theory to identify the risk factors of the urban complex, and then established a system of risk factors, hoping to pave the way for the risk evaluation of the urban complex’s development.
Safety Evaluation of Mine Lane Tunneling Project Based on Grey Relation Analysis
Authors: Yang Ren Shu , Wang Xu
Published: October 2012

In order to understand the security situation in the process of coal lane tunneling project effectively, this paper determines the safety evaluation indicators according to the actual situation in the coal lane tunneling, and then combining the indicators using grey relation analysis to evaluate the security situation of the sample coal lane tunneling projects. The evaluation method is simple, and compares the security situation of the various coal lane tunneling projects, so it can provide a reliable basis for the safety evaluation of the coal lane tunneling projects.
On Blueprint-Auditing by Management Engineers
Authors: Luo Qin
Published: October 2012

The construction drawing is a design document by which each construction party should abide. It is also a key element to affect construction project quality. So in the stage of supervision, the important thing that management engineers must grasp is blueprint-auditing. They should grasp the auditing principle, auditing method, auditing content and results，through which the problems existed among design, construction, process, engineering materials, equipments, etc. as well as those in each profession can be timely discovered. Through which, most design problems can be resolved before construction and the quality accident can be removed at its initial point. As a result, the construction time and cost can be saved a lot.
Study on Decision Planning of Real Estate Project
Authors: Wang Ya Ning
Published: October 2012

Project planning is a creative and value-added process, and project decision planning is an important job before a real estate project gets approval. The paper analyses the concept and characteristics of real estate project decision planning, and discusses the idea of real estate project decision planning. Especially contents of the real estate project decision planning are deeply studied which include environmental investigation and analysis, project positioning planning, project definition and target planning, project economic and technology planning, organization and management planning of project .
Exploring on Production Practice Reform of Teaching Process in Construction Engineering
Authors: Wang Zhong Qiang , Ouyang Tao
Published: October 2012

This paper has analyzed the difficulties of construction of the professional production practice under the market economic environment, the paper describes the necessity of production practice and teaching reform, put forward to build stable practice base, and actively explore a variety of production practice mode, the implementation of practice teaching, reform of teaching content system, multidimensional management practice, improve the practice teaching reform measures, for the construction of engineering practice teaching methods in-depth exploration and development to provide a useful reference.
Empirical Factors Analysis in the Execution of House Building Projects
Authors: Abhar Hosein , Ehsani Farimani Ali , Maghareh Mohammad Reza
Published: October 2012

The aim of this research is to analyze the empirical factors (executive indexes) in a house building project which has governmental employer, based on the opinions of practitioners of the projects. As a case study, a 624 units house building project was selected in Shiraz city. Identifying the challenges and the advantages of this project can help us to improve and solve problems of many similar projects, which are being constructed all over the country. Twenty two practitioners of the project were surveyed, based on the executive indexes, using a questionnaire. The responses were classified in two categories: 1) Managers and Experts (M&E) and 2) Consultants and Contractors (C&C). The completed questionnaires were assessed and analyzed and the values of indexes were calculated separately, based on the ideas of both groups. It is found that there is a similarity between the ideas of the two groups in 25 indexes out of 30. Furthermore, the difference between five other indexes is small, based on both group's ideas. It may show the accuracy in completing the questionnaire and the accuracy of the methodology used. In this paper the results of this case study are presented and discussed.
The Research of Multi-Resource Equilibrium Optimization in Schedule Management
Authors: Zhang Yun Ning , Chen Wei Wei
Published: October 2012

Resource equilibrium optimization is a typical problem in Schedule Management. Based on studying multi-resource equilibrium theory thoroughly, this paper firstly gives different weights to various resources by using fuzzy comprehensive evaluation to transform multi-objective problem to single objective problem. Then, it establishes a model for multi-resource equilibrium optimization by choosing the variance of various resources’ demands as objective function. Finally, this paper describes its basic principle and steps, which has important theoretical significance.
Calculation Method of the Uncertainty Duration of Construction Projects
Authors: Wang Fu Liang , Xu Xue Dong
Published: October 2012

The duration of construction project is of great uncertainty because the construction project is of large scale, its construction cycle is long, it takes much consumption in material resources, human and financial resources, it is of complicated cases, and there are also many unpredictable factors. A method to determine the uncertainty duration whose chief path is not a single one is raised combining with engineering practices in this thesis.
The Comparative Research of Large-Space University Gymnasium in Investment Control
Authors: Yang Li , Luo Peng , Liu Ying , Fu Qiong
Published: October 2012

Investment control is an important factor in the healthy development of gymnasium construction in universities. It is of great significance to enhance investment control concept and explore efficient design strategy to control investment. Chinese architects have always attached importance to design quality, progress of a project and technology. However, there is a lack of consideration of project costs among Chinese architects.This paper cites a large amount of data in analyzing the major problems in investment, proposing a series of design strategies to effectively control investments in university gymnasium design.
The Application of Matrix Analysis in Recycling Projects of Old Industrial Building in the Post-Evaluation on Social Assessment
Authors: Fan Sheng Jun , Li Hui Min , Jiang Hong Yan , Tang Hua
Published: October 2012

The old industrial buildings can be rebuilt into competitive projects with better economic benefits, along with these, more have been transformed into socially welfare projects. Upon afterwards-evaluating on the old industrial building recycling projects which have been transformed into public welfare projects, its social benefits should be focused on. Based on the content and features of the evaluation of these old industrial building recycling projects, indicator system has been developed. With examples and the method of matrix analysis, the post-evaluation on renewable projects has been on.
Life Cycle Management of Prefabricated Housing
Authors: Zhang Jie Ru
Published: October 2012

With the development of economy and the improvement of living standards, people pay much attention to quality of dwellings rather than quantity. What is more, the traditional house building method is inefficient and the poor quality cannot meet the demand of the market. Therefore, a new architecture building method, prefabricated housing appears and the management method also needs to be changed. This article analyses the features of prefabricated housing in order to build a new management model for Chinese prefabricated housing. The theory of life cycle management is chosen to manage this new building mode. The technology of BIM and mass customization strategy are treated as basic theories to support this essay. Det Ljuva Livet is used as an example to prove that the life cycle management of prefabricated housing is reasonable and feasible.
Research on Information Management of Tunnel Safe Construction
Authors: Huang Yan Tang
Published: October 2012

To ensure the personnel safety in tunnel construction, we researched the vault sink automatic measurement technology, surrounding rock displacement automatic measurement technology, the video surveillance technology and the wireless position management technology of the personnel into the tunnel. The techniques and keys are discussed. The measurement data of these techniques combined to a unified software platform. Combined with the wireless communication network to realize the mobile phone short message alarm, using the computer internet to realize the remote query and control, we achieve the automation, informatization, network and intelligent management to ensure the safety of the tunnel construction
The Impact of Land Policy on Real Estate Business in China
Authors: Li Xin Xin , Liu Wen Hui , Zhang Dong Li
Published: October 2012

Real estate industry, closely related to national economy, is the basic, guiding and pillar industry for national economy, and it can be counted as "barometer" of national economy. Therefore, the sustainable, stable and healthy development of real estate industry can not only meet the housing consumption demands of the masses, but also ensure the stable development of national economy in a relatively fast way and promote the realization of our country's economic construction and social development goals. This article is revolved around the analysis of related concerning real estate industry in China, in which the land policies are paid special attention to. Combined with the status quo of real estate business, the strategies for the healthy development of real estate business are put forward.
Restoration of Wandu Mountain City Palace
Authors: Piao Yu Shun , Shao Hui
Published: October 2012

First built in A.D. 198, Wandu Mountain City, which lies 2.5 kilometers north to Ji’an City of Jilin Province, was the site of the once important capital of early-middle Koguryǒ. In this article, we creatively reconstruct a group of palace complex on Wandu Mountain City by combining the survey of the present remains and the analysis of archaeological excavation report and previous research findings with traditional architectural theory and construction technology. Based on the analysis of the characteristics of different parts of the palace remains, the article elaborates the determination of the reconstruction date of the Wandu Mountain City Palace, provides grounds for reconstruction design and reconstructs the whole architectural complex on the four stylobates.
Research on Price Prediction of the Land Transfer Based on the Maximum Entropy Method
Authors: Yan Qiao , Li Ming Shun
Published: October 2012

With the rapid development of economy and the speeding-up market, the extention of construction land is inevitable and the land transfer price also becomes increasingly salient. There are many factors affect the price of the land transfer. In this paper the auther constructs the price forecasting model of land transfer using maximum entropy method and finally does the price projections calculation of land transfer with engineering examples.
Discussion on Cost Control of Low-Rent Housing Projects
Authors: Gao Xiu Qing , Wang Hong Hai , Sui Feng Tao
Published: October 2012

This paper proceeds from the cost problems in low-rent housing projects and proposes that the cost control of such programs consist of subjective control and objective control. With analysis on subjective and objective controls, it gives the government detailed suggestions for cost control in low-rent housing program, specifically developing policies and regulations for cost control and introducing non-governmental funds into the program.
Study on Re-Radiated Noise in Futian Underground Hub of Guangzhou-Shenzhen-Hongkong High-Speed Rail
Authors: Yao Jie , Xiao Ming Qing , Huang Dun
Published: October 2012

A finite element model considering the high-speed train excitation loads, track structure, vibration reduction measures, station construction, characteristics of foundation soils was established to study the problems of vibration and re-radiated noise in the underground Futian hub of Guangzhou-Shenzhen-Hongkong high-speed rail under the excitation of trains. The first 200 natural frequencies of the station are all within 40Hz, the vibration energy concentrates mainly in the second and third floors, in form of bending vibration mode; the modes of orbital plate mainly accounts for vertical vibration, and the lowest frequency is near 26Hz.When the train passes by at a speed of 200km/h, without damping rubber pads, the maximum vibration level is 57.9 dB, while with damping pads the vibration level decreases by 5~6dB. The re-radiated noise level at the surface of the structure is between 38~55.1dB;with damping measures at the orbits, the corresponding acoustic gain in upper floors is 6dB or so; some low-frequency noise excess the standard, but considering the acoustic measures in upper floors, it should be manageable. It is suggested that the train pass by at lower speed, to further reduce the re-radiated noise, to a create amore comfortable environment.
Thinking about Architectural Design of University Library
Authors: Gong Wen Ye , He Dong Lin , Bai Biao
Published: October 2012

University library is the academic research center of modern university, known as "the heart of a university". So it should not only be in eye-catching appearance, but also has rich cultural connotation. In addition, university library also has to meet the people-oriented management idea in architectural design and layout. In this article, the author explore the design features of the university library building in new century from aspects of design concept, general plan planning, function, flow line, shape and characteristic.
Grey Correlation Analysis between Urban Built-Up Area Expansion and Social Economic Factors: A Case Study of Hangzhou, China
Authors: Liao Cong Jian , Huang Jing Feng , Sheng Li , You He Yuan
Published: October 2012

This study aims to analyze the effects and impacts of the main factors of urban built-up area expansion in Hangzhou, which can provide a reference to urban policy makers and urban planners on how to make a rational plan to develop the sustainable city. The study mapped Hangzhou urban built-up areas in different periods based multispectral scanner (MSS), thematic mapper (TM) and Enhanced Thematic Mapper-plus (ETM+). according the grey correlational degree analysis between urban built-up area expansion and the main social economic factors in Hangzhou, the results show that the sequence of the factors is non-agricultural population, on-campus college students, the industrial output value, GDP and the total investment in fixed assets, and it indicate that non-agricultural population play a key role to control the scale of urban space ，and the increasing number of on-campus college students promote Hangzhou urbanization.
Factor Analysis on the Industrial Environmental Efficiency and Energy Utilization Efficiency of China by DEA Method
Authors: Lei Hong Jun , Zhang Qiao Li , Li Chang Jia , Xi Bei Dou , Xia Xun Feng
Published: October 2012

Faced with two big stresses of energy shortage and environmental pollutants, China should improve its energy utilization efficiency. Based on the data of China Statistical Yearbook and China Environmental Statistics Yearbook, the pollutants discharge and energy utilization efficiency, including technical efficiency (TE), pure technical efficiency (PTE), scale efficiency (SE) and returns to scale (RTS) of China’s industry and its sub-sectors were analyzed by constant returns to scale model (CRS) and variable returns to scale model (VRS) of non-parametric data envelopment analysis (DEA) method. Results showed that: (1) The RTS of China's total industrial environmental efficiency and energy utilization efficiency were all in "irs" state, indicating that it was beneficial to expand the entire industrial scale. (2) The TE of total industrial energy utilization efficiency was about 0.80, the minimum TE was 0.018 of production and distribution of gas sector. (3) The total industrial environmental efficiency was about 0.77, the two sectors with high pollutants discharges were mining of other ores and manufacture of paper and paper products, and TE were 0.065 and 0.067, respectively. Mostly industrial sub-sectors should improve their technologies and adjust its scales except for extraction of petroleum and natural gas, manufacture of tobacco, printing, reproduction of recording media and so on. (4) Mining of other ores, manufacture of tobacco, manufacture of communication equipment, computers and other electronic equipment, manufacture of measuring, instruments and machinery for cultural activity and office work and production and distribution of water were in high energy utilization efficiency while in low environmental efficiency and steady RTS. So these sectors should improve the technologies to achieve DEA effective. (5) Scale expanding, technology advancement, energy use pattern improvement and industry structure adjustment were suggested for energy-saving industry according to the TE, PTE, SE and RTS.
A Semi-Parametric Study on the Relationship between Energy Consumption and Regional Economic Growth in China
Authors: Zhang Shao Bo
Published: October 2012

Based on the panel data of 29 provinces, municipalities and autonomous regions in China from 1995 to 2010, this paper uses a semi-parametric panel data additive model to study the influences of coal, electricity, oil consumptions to regional economic growth. The obtained results indicate that the influence directions and intensities of coal, electricity and oil consumptions to GDP are different in estern, central and western regions of China. They are decided by the combination of linear and nonlinear influences.
Study on the Sustainability of Hefei City Economic Ecosystem Based on Emergy Analysis
Authors: Wu Xue , Xu Guo Wei
Published: October 2012

From the theory of urban ecosystem, using emergy analysis method founded by Odum, this paper analyzed the emergy flow of Hefei city systematically, and evaluated the status of the natural environment of its ecosystem and its socioeconomic sustainable development through a series of emergy indices. The results showed that the environment loading ratio of Hefei urban ecosystem was 19.71, emergy sustainable indices(ESI) and emergy index for sustainable development (EISD) was 0.0425, 0.0507, respectively in 2010, slightly higher than the neighboring capital cities. This indicated that Hefei had strong sustainable development ability. In 2010, the input emergy of eco-economic system of Hefei city was 2.35×1022sej, the output emergy was 1.95×1022sej, the surplus emergy was 0.40×1022sej, which indicated that the emergy of Hefei city continued to increase and accumulate, and this was the real reason of the rapid development of Hefei city in recent years.