bluuebunny/crossref_metadata_2025_split huggingface dataset:
Multi-objective optimization pollination algorithm based on game theory for joint dispatching of basin reservoir group
Authors: Wang Runying 
Published: September 2019

Abstract
In order to solve the multi-objective joint dispatching problem of watershed and reservoir, and overcome the shortcoming of single element heuristic intelligent algorithm, based on the analysis of the convergence, stability and applicability of the algorithm, an Improved Flower Pollination Algorithm (IFPA) combined with the reality of basin reservoir group is proposed. In IFPA, the elements in traditional Flower Pollination Algorithm (FPA) and the basic elements in game theory are mapped one by one. Two strategies (initializing the pollen operator with chaotic sequence and inverse learning transforming the population) are introduced into traditional FPA respectively and are gamed to optimize the problem. Function tests show that the convergence speed and optimization accuracy of IFPA are 15% and 10% higher than those of the traditional FPA respectively. IFPA is applied to the basin reservoir group dispatching and the actual dispatching results are consistent with the related literature. The study shows that IFPA is superior to the traditional FPA and can be used in multi-objective problem group joint dispatching of basin reservoir group.
Study on the Application of the Drainage Pipe Network and River Channel Coupling Model in Urban Flood Control and Drainage
Authors: Gu Chenxia 
Published: September 2019

Abstract
Based on the one-dimensional channel conservancy model, this paper considers the factor of urban pipe network drainage, and couples the pipe network model with the one-dimensional channel conservancy model to fully analyse the interaction between the channel water level and the drainage pipe network displacement. Taking a coastal city as an example, the model simulation results show that when the water level of the river is high, it will cause the drainage of the pipe network; the lower part of the terrain will become waterlogged because of the aging of the urban pipe and rainstorm. It is impossible to effectively solve the problem of flood control and drainage by widening the river channel. It is necessary to adopt the coordinated improvement of the pipe network and the river channel to achieve effective targets.
Analysis of the confined water of dam foundation in one water resource project
Authors: Wang Qiguo , Hu Kunsheng , Fu Jianjun , Cheng Fangquan , Chen Lianjun 
Published: September 2019

Abstract
Bedrock-confined water is distributing at the riverbed and the right bank of the one dam foundation. According to the preliminary analysis, it has been found that there are some confined water aquifers which appear along the rock’s fractures and the foliation planes in the dam site. The confined water has some negative influences on the dam and tunnel project because of the water head. Much attention should be paid to this and an engineering treatment needs to be taken.
Durability rehabilitation and promotion of reinforced concrete structures in tidal and splash range of deteriorated wharfs in marine environment
Authors: Wu Ye , Zhang Jie , Li Senlin , Feng Longhai , Jiang Chao 
Published: September 2019

Abstract
Corrosion deterioration of reinforced concrete structures in tidal and splash range has always been an urgent concern of scientific researchers and wharf managers, especially for that serving for more than 20 years in marine environment. Through on-site detection and chemical analysis, it has been found that reinforced structures in tidal and splash range of a passenger terminal in Zhoushan city suffer severe corrosion destructions such as rust expansion of steel bars, concrete cracking and spalling due to technical conditions at the initial stage of construction and insufficient awareness of durability. Meanwhile, chloride content near the surface of steel bars in concrete exceeds the critical corrosion value. In order to rehabilitate and improve the durability of reinforced concrete structures in tidal and splash range of this wharf, a combined programme of partial consolidation and electrochemical desalination is proposed and applied, which shows good performances and ensures the service life of the structure as long as possible.
The Influence of Groundwater Level Rise on Bearing Capacity of Sand Foundation
Authors: Lizhu Ma , zhonghua Zhao , Yue Tian 
Published: September 2019

Abstract
Along with the development of city construction, the underground space is exploited widely. This paper simulated the natural basement in sandy foundation by the way of laboratory test. Then through the SLT test we will get the change laws of bearing capacity, porewater pressure, effective stress and settlement in sandy foundation after analyzing change of underground water level. These may provide reference for the engineering application.
Study on the Cultivation of Industrial Clusters in characteristic Towns in Western China–– using the cultivation of TCM industry cluster in Taicun town, Xianyang city, Shaanxi province as an example
Authors: Xiaoyuan Zhou , Kewei Liu , Dan Zhao , Yonghui Cheng , Yuan Lv 
Published: September 2019

Abstract
Through studying the basic characteristics of the industrial development of small towns in western China, this paper analyses the following: the industrial selection characteristics of characteristic small towns in western China, the industrial cultivation process of characteristic small towns in western China, the subjective and objective conditions of industrial cluster composition, and the internal and external factors affecting the composition of industrial clusters. Using the cultivation of the Taicun town industrial cluster in Xianyang city, Shaanxi province, as an example, this paper discusses the methods and paths to promote the development of characteristic small towns through the selection and cultivation of characteristic industries.
Optimizing and Monitoring Measurement of Single Tunneling Outlet Scheme for Three-lane Large Cross-section Tunnel
Authors: Nie Yuwen , Guo Hongyan , Cui Xiangyang , Li Ke , Ding Hao 
Published: September 2019

Abstract
For a three-lane tunnel with large cross-section and one-way excavation, it is of great significance to select a reasonable scheme of entering and leaving the tunnel for the economy, safety and protection of the ecological environment of the tunnel construction. Taking Changshanpu No. 2 Tunnel as an example, the reasons for the optimization of the tunnel section are analyzed, the advantages of the optimization scheme are discussed, and the reasonable scheme is given. Through the numerical simulation of the outlet section, the monitoring data of the top of the tunnel and the analysis of the comprehensive index, it is concluded that the previous double-sided wall method is optimized to three-step temporary inverted arch method at 30m away from the outlet of the tunnel, which has the following advantages: (1) the construction space is large, the mechanical operation is convenient, the construction progress is accelerated, and the schedule requirements are met; (2) the construction of the temporary construction facilities and the large excavation in tunnel outlet section are avoided; (3) The method of three-step temporary inverted arch can be separately closed into rings, effectively restraining the deformation of surrounding rock, and the monitoring measurement meets the requirements. Therefore, the use of three-step temporary inverted arch method can improve the safety and efficiency of such highway tunnel construction, and provide a reference for future construction.
Study on Key Steps of Three-lane Weak Surrounding Rock Tunnel Construction
Authors: Wang Chao , Guo Hongyan , Cui Xiangyang , Li Ke , Ding Hao 
Published: September 2019

Abstract
For tunnel excavation with poor stability of surrounding rock, controlling the construction of key steps in each construction method is of great significance to tunnel construction. Taking Fengshuao and Daping tunnels as examples, this paper uses FLAC software to simulate three construction methods, i.e. double sides heading tunnel method, three-step method and CRD method. Through the analysis of displacement deformation in the numerical simulation results of three construction methods, it is concluded that the corresponding steps of maximum displacement deformation in different construction methods are the key steps in construction: the both sides heading method needs to strictly control the excavation of double-sided upper steps, the excavation of inverted arch and the dismantlement of middle-wall; the three-step method mainly controls the excavation of curved guide tunnel of upper steps, the excavation of inverted arch and the strike of locked bolts. The control steps of CRD method are the excavation of upper steps on the left wall, the excavation of upper steps on the right wall and the dismantlement of the middle wall. Therefore, strictly controlling the key steps of each construction method can improve the safety and efficiency of this kind of highway tunnel construction, and provide reference for future construction.
Research on the Construction of Humanistic Airport
Authors: Li Xiong 
Published: September 2019

Abstract
Humanistic airport is an important part of the construction objectives of “four types of airports”, namely safe airport, green airport, intelligent airport and humanistic airport. The construction of humanistic airport puts forward higher requirements for airport planning, design and operation management, emphasizing people-oriented and paying attention to passenger travel experience. The connotation, characteristics and problems in current planning, design and management of humanistic airports were analyzed. Drawing lessons from successful cases at home and abroad, this paper put forward suggestions and measures for the construction of China’s humanities airport.
Research on Tunnel Lining Cavity Treatment Technology of a Metro Tunnel in Chongqing
Authors: Hu Xuebing , Jiang Xinghong , Li Ke , Cui Xiangyang 
Published: September 2019

Abstract
The hollowing problem of tunnel lining structure is like a suspended bomb, which may affect the safety of vehicles and the safety of passengers at any time. Therefore, the study of tunnel lining structure cavity management technology has great social significance for ensuring tunnel safety. Taking a metro tunnel in Chongqing as an example, this paper proposes a reasonable lining structure reinforcement scheme of changing partial arches and reinforcing by steel strips after analyzing the environment, the bearing requirements, and the size and location of cavities. Based on the calculation formula of flexural members given by Code for Design of Concrete Structure Reinforcement, reduction system is introduced to calculate safety coefficient of flexural and compression members. The minimum value of structural bearing after treatment is 4.4, which meets the requirement of bearing capacity. Stratum structure method is used to calculate surrounding rock deformation during reinforcement. The maximum horizontal displacement is 1.9 mm, and the vertical displacement is 6 mm. The surrounding rock could be stable when treating defects, and the treatment scheme meets the requirements of bearing capacity and inner clearance. Therefore, the tunnel lining structure cavity can be reinforced by means of shotcrete and steel strips, without interrupting traffic and ensuring driving safety. The success of the treatment provides a useful reference for other similar projects.
Settlement and damage analysis of working shaft for underground high-voltage electricity cables
Authors: Wang Yanfeng , Guo Jingen , Tang Yongfeng , Liu Tingjin , Yang Yubing 
Published: September 2019

Abstract
Working shafts or manholes, usually made of concrete or reinforced concrete, are essential parts of the underground electrical power transmission system. However, the working shaft frequently encountered differential settlement, tilt and other damage like cracking when construction activity was carried out near the high-voltage electricity cables. This paper reported a severe damaged working shaft in South China including its settlement and cracks. Numerical simulation was also performed to reveal the evolution of structural damage with an increased differential settlement. The results show a good agreement with field observation in respect to the initiation of concrete tension damage. It is proposed that if a differential settlement higher than 5mm is observed, preventative measures are needed and the risk is conditional acceptable.
Parametrical intelligent design of steel bridges based on APDL language
Authors: Tan Jinhua , Zhang Han , Jin Jingwen 
Published: September 2019

Abstract
Bridge is a hub project of traffic engineering, and it also reflects the comprehensive national strength of a country and a region, such as economic strength, science and technology, productivity development and so on. Parametric intelligent design is an inevitable trend of bridge engineering’s development under the existing knowledge system. A parametric static and dynamic analysis software has been developed for two types of typical steel bridges -- steel tube arch bridges and steel truss bridges based on APDL language. It can do the intelligence design work automatically for those bridges, which including the preprocessing work and the postprocessing work, such as the input of material data, section data, structure size, loads and constraints, and the output of force results, stress results, capturing images, and writing the design report file. Even the designer who is not professional can do the preliminary design work of a same type bridge quickly and easy with this software.
Study on Natural Ventilation in Gridiron of High-pile Wharf to Enhance The Durability Performance
Authors: Zhang Qin , Zhou Yubao , Zhang Yibin 
Published: September 2019

Abstract
The salt which origins from offshore zone is easy to gather in the semi-closed space formed by beams and slabs of pile-supported wharf called gridiron space, and that could induce the premature failure of durability of the wharf’s substructure. Previous work commonly focused on material-level measures which will lead to increased costs such as anti-corrosion concrete and anti-corrosion coatings to eliminate the adverse effects of that gathering of salt fog. In fact, the salt fog could be extracted from the gridiron by natural ventilation in some cases, so it is necessary to examine the flow characteristics in the gridiron space. In this work, the numerical simulation has been conducted with natural ventilation and auxiliary ventilation group. Critical value of the blocking ratio (defined as height ratio of edge stringer to air inlet) that makes the airflow inside the gridiron reach the strongest turbulence is found in natural ventilation group. In addition, the effect of different auxiliary ventilation schemes is compared in auxiliary ventilation group. Some recommendations for designing were proposed to enhancing pile-supported wharf’s durability.
Research on the traffic organization optimization countermeasures in highway service area under the abnormal condition
Authors: Wang Jiaxian , Zhao Baocai , Jia Wenli , Yang Yunxing 
Published: September 2019

Abstract
In order to effectively improve the utilization rate and service turnover rate of highway service area, and make the traffic flow more smoothly, this paper studies the transportation organizations under special circumstances, such as extreme weather, natural disasters, holiday peak trips and other special situations. Traffic organization optimization countermeasures are proposed from three aspects: controlling the total amount of traffic, optimizing the internal organization and improving the departure rate. The result can provide reference for the construction and optimization of service area in the future.
Torsional vibration solution of tapered pile considering stress diffusion effect of pile end soil
Authors: Guan Wenjie , Wu Wenbing , Jiang Guosheng , Leo Chin Jian , Liu Hao 
Published: September 2019

Abstract
Based on the torsional plane strain model and tapered fictitious soil pile model, the torsional vibration characteristics of tapered pile considering stress diffusion effect of pile end soil is investigated theoretically. Considering the coupling conditions of pile-soil system, the torsional impedance at the tapered pile head is obtained by means of Laplace transform and impedance transfer method. A parametric study is performed, the rationality of the tapered fictitious soil model is verified and the influence of the cone angle of tapered fictitious soil pile on the torsional vibration characteristics of tapered pile embedded in layered soil is studied. The results show that: the cone angle of tapered fictitious soil pile has obvious effect on the torsional vibration characteristics of tapered pile with the shorter length.
Vehicle load updating of roadway bridges based on Bayesian method and Monte Carlo simulation
Authors: Li Zhan , Jiang Wei , He Jiaqi , Yang Yang , Narilige  
Published: September 2019

Abstract
For the life-cycle design of bridges, it is of significance to establish and update the probabilistic model. However, for the current situation of practical engineering, popularizing data acquisition equipments to collect long-term data could not meet the facts. The Monte Carlo simulation is utilized to simulate the prior samples and expand the sample size. The Bayesian method is adopted to update the sectional distribution. A mathematical example based on self programming is given to illustrate the method. The results show that: the cooperation of the Bayesian method and Monte Carlo simulation could update the short-term vehicle load model. The method is of good reliability and serviceability which could be references for further studies.
The static analysis of arch dam-foundation system by using scaled boundary finite element method
Authors: Xue Binghan , Fang Hongyuan , Wang Fuming , Hu Zhiqiang , Lei Jianwei 
Published: September 2019

Abstract
The scaled boundary finite element (SBFEM) as a semi-analytical numerical method has been used in many fields. SBFEM has the following advantages: reducing the spatial dimension by one, rigorously modelling the unbounded domain and involving no fundamental solution. The computational model based on SBFEM will be conducive to the reliability and efficiency of safety evaluation of arch dam. However, owing to the requirement of scaling inherently, the SBFEM cannot be immediately applied in the analysis of arch dam which belongs to irregular shell structure. This limitation can be overcome by employing the sub-structure method to subdivide the arch dam into several sub-structures which satisfy the scaling requirement. An example of static analysis of the arch dam-foundation system is presented to verify the effectiveness of the SBFEM sub-structure method. The result is helpful to establish the calculating model of arch dam-reservoir-foundation system based on scaled boundary finite element method.
Influence of Rock Quality and Excavation Mode on Horizontal Displacement of Crushing-zone Tunnel
Authors: Xu Binbin 
Published: September 2019

Abstract
In order to simulate the tunnel excavation of super-long broken rock zone, finite element analyses using Plaxis3D are carried out along with the construction, in which the influence of grade of surrounding rock, are excavation method on the deformation of tunnel are specially considered. Before numerical calculation, the parameters are reasonably simplified. The calculation results show that the CD method can efficiently reduce the deformation of rock in the broken zone to keep the stability. In the practical construction, it is recommended that the CD method is preferred when entering the broken zone.
Discussion of Proper Ribs in Hollow Torsion Test using Numerical Method
Authors: Xu Binbin 
Published: September 2019

Abstract
In the numerical simulation hollow torsion test, the number of rigid ribs applied on the top surface of the specimen is the key to guarantee the success of the calculation. If the number of rigid ribs is too large, the stiffness difference between the pedestal and the specimen would be too big to get a reliable result. While if the number of ribs is too little, the torque cannot be transferred to the specimen faithfully. A numerical calculation is carried out to determine the suitable number of rigid ribs from the aspects of shear strain, ap-parent mechanical behavior and torque rate and the results show that 6 ribs are suitable for the numerical hollow torsion test.
Characteristics and mechanism of loess landslide induced by drill vibration
Authors: Si-yi Jiang , Hai-liang Li , Fu Wu , Chun-ling Li 
Published: September 2019

Abstract
In order to reveal the disaster mechanism of loess landslide induced by rig vibration, based on the analysis of typical cases of loess landslide, the disaster process of loess landslide triggered by rig vibration was analyzed through field investigation, physical model test and stress path test. The results showed that the instability mechanism of vibration-type loess landslide was a dynamic process under the action of vibration load. This process can be summarized as follows: stable loess slope – vibration load of drilling rig – adjustment of slope stress – shear failure occurs under continuous load – slope body begins to slide after sliding surface gradually forms – landslide forms
Study on Vibration Characteristics of Piers and Foundation Sites in Seasonal Frozen Soil Areas under Train Load
Authors: Zheng Haizhong , Yan Wujian , Wang Ping , Li Fuxiu 
Published: September 2019

Abstract
In order to study the vibration characteristics of railway piers and different foundation sites in seasonal frozen soil region under train load, the piers and foundation sites of Tieling-Siping of Harbin-Dalian high-speed railway were tested on site, and the vibration attenuation characteristics of different sites and different seasons were analysed using numerical simulation method. The results show that the vibrations in the Y and Z directions are amplified on the side of piled soil-filling in both freezing and non-freezing seasons, when the distance R from the bottom of pier is less than 0.8m. But the vibration is amplified only in Z direction on the side of non-piled soil-filling. In the freezing season or in the non-freezing season, when R is between 1 and 2m, the vibration attenuation speed on the side of piled soil-filling is obviously lower than that on the side of non-piled soil-filling. When R is larger than 3m, the vibration attenuation of three directions is not affected by the piled soil-filling or not. Whether on the side of piled soil-filling or non-piled soil-filling, the vibration attenuation speed in freezing season is lower than that in non-freezing season.
Treatment of Errors in Dam Safety Monitoring Data
Authors: Zhang Xuan , Li Junjie 
Published: September 2019

Abstract
The error processing of dam safety monitoring data is the basic work of the whole data analysis, and it is the guarantee for objectively evaluating the safety of dams. This paper summarizes the sources of error, analysis methods and research status of dam monitoring data, lists several commonly used error processing methods and the latest research progress, and compares 3σ criterion, Grubbs criterion and mathematical model method, and finally analyzes through engineering examples.