bluuebunny/crossref_metadata_2025_split huggingface dataset:
Assessment on mechanical properties of concrete with polypropylene fiber
Authors: Jayaram M , Naresh J , Thipparthi Karhik , Kastro Kiran V 
Published: March 2022

Abstract
Concrete is a versatile material that must meet certain strength criteria to maintain structural integrity. Although concrete has several advantages in terms of mechanical qualities and construction costs, its brittle nature is a drawback in those applications that require flexibility. However, the recent creation of concrete with polypropylene fiber-reinforced (PFRC) has provided a technical framework for addressing these issues. Polypropylene fibres have a tendency to bind the concrete mix. This reduces the rate of bleeding by slowing the settlement of coarse material. A slower rate of bleeding equals a slower rate of drying, which means less shrinkage breaking in the plastic. Polypropylene fibres act as crack stoppers in hardened concrete. The impact of polypropylene (PP) fibres on compressive strength, tensile strength, flexural strength, and workability for M 25 Grade concrete in both fresh and hardened states is investigated in this study. Polypropylene fibres were introduced at a percentage of 0.5%, 1%, 1.5 %, and 2% in this investigation, and the findings were tabulated.
Creep Strain Behaviour of Triple-Blended Steel Fiber Self-Compacting Concrete
Authors: Setti Vijaya Kumar , Dean Kumar B , Swami B L P 
Published: March 2022

Abstract
The objective of the research article is to present the experimental results on the creep strain behaviour of steel fiber Self-Compacting Concrete (SFSCC). In respect of binder content, aggregate size, fine-to-coarse aggregate ratio, water-to-cement ratio, and chemical admixtures, Self-Compacting Concrete (SCC) differentiates from conventional cement concrete. Steel fibers are also inserted into SCC at a predetermined percentage to reinforce it. Steel fibers have been shown to contribute to improved strength characteristics, a dense mass of concrete with little or no voids, reduced pores in concrete, a higher Young’s modulus, and fewer deflections and strains in concrete. Hence, an investigation was conducted on the creep variation of SFSCC over a longer duration. The test approach follows ASTM C512’s standard test method for concrete creep in compression. The test specimens (SFSCC) are standard cylinders that have been cast and cured for 28 days before being tested. Three SFSCC cylinders with 0.80% steel fiber were tested at the same time. The load is applied to just the cylinders in the loading frame and kept constant, producing constant stress. The strains that occur only due to creep, excluding the initial elastic strain, are digitally recorded. As a logarithmic function, the creep strain-time connection was established. The conclusions are observed based on the findings of the experiments and compared with normal cement concrete (NCC).
Mechanical properties of GGBSFA Geopolymer concrete with varying Silica Modulus at different curing conditions
Authors: Polusani Sharada , Vinayaka Ram V , Seshagiri Rao M V 
Published: March 2022

Abstract
Geopolymer concrete is made of waste materials such as Fly ash and ground granulated blast furnace slag (GGBS). The use of this concrete helps to reduce the stock of wastes and also reduces emission of carbon by reducing Portland cement demand. The major constituent of Geopolymer concrete is aluminium and silicon rich materials. These materials are either natural materials that are thermally activated (e.g. kaolinite) or byproducts from industries (e.g. fly ash ). These materials are activated using alkaline activating solution which polymerizes the materials and forms into networks creating hard binder. Geopolymer concrete with Fly Ash as precursor gains less strength at low rates in ambient temperature. Fly Ash Geopolymer concrete should be heat cured to improve its strength. In the present investigation effect of Silica Modulus(SiO2/Na2O) and percentage Na2o on the mechanical properties of Geopolymer concrete cured with Plastic Membrane and in ambient temperature are presented. In this alkaline activator which is combination of NaoH(NH) and Na2Sio3(NS) is used to activate the binder.8 type of mixes with fixed binder content, varying GGBS, Fly Ash ratio and Silica Modulus of Alkali solution are used to study the strength properties of Hardened concrete. It was found that the strength decreased with increase in Silica Modulus and increased with increase in percentage Na2o.M40 grade concrete is attained for a combination of Silica Modulus of 1.4 and 5.399 percent of Na2o.
An investigative approach on the influence of mineral admixtures on internally cured concrete
Authors: Kastro Kiran V , Sreehitha J , Uma Sree M , Niveditha P S 
Published: March 2022

Abstract
Concrete curing is vital to get the anticipated properties of the concrete structure. Among all the different available curing methods, the internal curing of concrete is the most recent and is gaining prominence over a few years. This work is engrossed on developing the internal curing concrete of M40 grade employing Polyethylene glycol-400 as an internal curing supplement. The impact of mineral admixtures, on mechanical properties, like silica fume and fly ash were examined at varying dosages. Polyethylene glycol-400 was used as a replacement to cement at 2.5% by weight of cement. By maintaining the constant dosage of Polyethylene glycol-400, the silica fume was used as 5% and 10% replacement to cement and fly ash at 15% and 25% by weights of cement, and the mechanical properties were assessed in contrast to traditionally cured concrete. The peak compressive and split tensile strengths were obtained at 5% replacement of silica fume, and at 10% replacement, the maximum flexural strength was obtained. As the percentage increase of fly ash content beyond 15%, decreased the strength. Fly ash and silica fume showed a positive impact on the mechanical properties of internally cured concrete when compared with the concrete cured conventionally.
An experimental study on mechanical and durable properties of self-curing concrete by using Ferro silica slag aggregate
Authors: Sundeep Kumar K , Subba Reddy P V , Arunakanthi E 
Published: March 2022

Abstract
Construction industry concrete used heavily. The building industry relies heavily on coarse aggregate (C.A.). Due to the lack of C.A., artificial aggregate known as Ferro silica slag (F.S.S.) is the predominant alternative material. The Use of F.S.S. increases concrete strength and lowers construction costs. The strength of concrete is determined by how long it is allowed to cure. Because of improper curing, the hydration of cement problem can be solved by employing a self-curing mechanism. It’s possible to use paraffin wax Light and Heavy in Concrete have a variety of beneficial effects on S.C.C.’s fresh and hardened concrete qualities. The immersing curing agent is a material that retains Water and reduces evaporation; the self-curing admixture incorporates concrete after the standard setting of concrete on account of increased water retention capacity and compares to internally cured concrete. It gives inside assuaging, known explicitly as “self-curing concrete,” in short, less or no external curing is required in another way if outside mitigating may cause better warmth of hydration. Light molecular weight and high molecular weight are two examples of self-curing liquids that can boost the strength and serviceability of concrete. In this investigation, the percentage of paraffin wax in M25 grade concrete was altered from 0%, 0.1%, 0.5%, and 1.0% and compared to internally cured concrete(I). The replacement of coarse aggregate with the optimum amount of F.S.S. Paraffin is then added to concrete in a liquid form, resulting in varied dosages. Based on the literature, the optimum percentage of F.S.S. 40% with paraffin wax light and heavy 1.0% improvement of compression and flexure strength of concrete. Ultrasonic pulse velocity (U.P.V.) and Rapid chloride penetration tests (RCPT) were used to determine dense microstructure and enhanced durability of concrete.
Flexural strength of steel fibre reinforced ternary concrete beams
Authors: Reddy Suda V B , Priyatham Paul S 
Published: March 2022

Abstract
The paper presents an experimental study on the flexural performance of Conventional beam (CB), Ternary beam (TB) and fibrous ternary beam (TBF). Ternary beams are made by using 10% of Micro silica (MS) and 30% of Ground granulated blast furnace slag (GGBS) and Fibrous ternary beams were cast by incorporating crimped steel fibre in four volume fractions i.e. 0.5%, 1%, 1.5% and 2% to the predestined optimum ternary mix, was obtained from preliminary studies. The influence of Supplementary cementing materials (SCMs) and steel fibre on ultimate load, energy absorption, ductility, moment and energy factors was assessed. The results reveal that energy absorption and ductility improved by ternary beams and further enhanced by adding up of steel fibre over conventional beams.
Influence of Curing Practices and Environment on Compressive Strength De-velopment of High Strength Concrete
Authors: Jampani Venkateswara Rao , Eeshwara Ram J , Satyanarayana M , M.G.Raju P 
Published: March 2022

Abstract
The paper presents the impact of practicing curing techniques on the compressive strength evolution of ternary blended high strength concrete under local prevailing environmental conditions. Initially the control mix was designed using the guidelines of IS: 10262:2009, whose compressive strength at 28 days is greater than 70 MPa. Later mechanical properties of high strength concrete after incorporating the alternative binder materials was evaluated. For all mixtures water to cement ratio was kept as 0.25. For the purpose of improving the mechanical properties of control mix and to achieve the economy slag, fly ash, quartz powder and silica fume were incorporated in the mix as partial substitution of cement. Total replacement with supplementary binders was kept at 20% by its weight of cement. Among all the combinations, silica fume and slag combination performed well in respect to the hardened properties. Subsequently, the same mix was considered in order to study the influence of practicing curing methods. From the results it was concluded that although type of curing regime on strength development both in indoor and outdoor environment at early ages was not considerable but at the later ages the effect was considerable. Compressive strength of specimens subjected to sprinkling, burlap and plastic cover curing in outdoor environment are significantly affected than the corresponding specimens in indoor environment.
Land use and land cover change and sustainability assessment of Vijayawada city by RS&GIS
Authors: Prasad Annavarapu Srinivasa , Ramamurthy Chandramohan , Krishna Karnatapu Leela 
Published: March 2022

Abstract
Land utilization is a key factor in the allocation and function of ecosystems. The limited available land is insufficient to satisfy the growing demand. Sustainable future depends on Human decisions on utilization of land. The landuse analysis between two time periods and their impact especially on sustainable development may leads to proper planning at different territorial levels. The present study examines spatiotemporal trends in modification of LULC (land use and land cover) changes in the Vijayawada area. Landsat 5 and 8 satellite imagery was used to produce change deduction maps over a sixteen year of time period (2005 and 2020). For the year 2005, 30 meter resolution Landsat 5 satellite image are used and for the year 2020 15 meter resolution Landsat 8 images are used to identify the changes in spatiotemporal trends. Maximum lilelihood supervised classification techniques are used to estimate land use and land cover change. The dynamics of LULC modification for 16 year time period and its impact were discussed as key findings in this paper. This study reports that, by using geo-spatial techniques could reduce the main causes of LULC change detection that threaten ecosystems and biodiversity through timely and adequate monitoring.
Analysis and Suitability of Treated Wastewater of Various Units at Amberpet STP, Hyderabad
Authors: Hari Durgasrilakshmi , Ramamohan Reddy K 
Published: March 2022

Abstract
The primary goal of wastewater treatment is to enable municipal and industrial effluents to be disposed of without endangering public health or causing unacceptable ecological damage. With rapid urbanization and industrialization, both the quantity of sewage generation and complexity in its treatment for recycle is increasing. Further, the disposal of untreated sewage is posing lot of threat to groundwater quality. Hence, recycling of wastewater is necessary to prevent groundwater pollution. It also helps in augmenting water conservation. Sewage can be treated to the acceptable quality for its use in many non-potable, industrial and agricultural uses. Treated wastewater recycling helps in addressing the rapidly growing water consumption of many areas of the economy thereby benefiting in environmental rehabilitation. From the perception of public resource, the present study analyzes the suitability of treated wastewater from various units at Amberpet STP in Hyderabad for several designated water uses.
A Study on Dragon Fruit Foliage as Natural Coagulant and Coagulant Aid for Water Treatment
Authors: Rayudu E Sanjeeva , Likhitha A , Reddy K Sudhakar , Nagesh Kumar G 
Published: March 2022

Abstract
Due to the heavy pollution all over the world, quality has decreased in nature. Water is the most essential in everyone’s life. The contamination of water with organic and inorganic matters are harmful to the society. Turbidity is caused by these matters which are colloidal and suspended solids and there is a requirement to remove these matters for the water to be useful. Coagulation and flocculation are the most generally picked strategies to reestablish acceptability and work on the tasteful appearance of water. This procedure brings about the colloidal particles destabilization and therefore, the addition in molecule size for the simplicity of sedimentation. Currently the treatment units are using chemical coagulants such as aluminum and iron salts which work most effectively. The most used coagulant, Alum has been a centre of debate as various researchers say it is linked to development of Alzheimer’s disease. Also, other chemical coagulants are evident of causing throat tightness, shallow ulcers on skin etc. In addition to these effects on human health, the chemical coagulants produce hazardous sludge which requires a costly disposal. Various naturally available materials have the properties that make them effective coagulants that are chemically neutral and purify water competitively with their coagulant counterparts. In this investigate, dragon fruit foliage is used as a natural coagulant and proved that it is competitive with chemical coagulant in removal of turbidity.
Performance evaluation of expansive clay subgrade stabilized with synthetic rubber
Authors: Meghana V , Raja Veerendra Y 
Published: March 2022

AbstractIn our everyday lives, transport plays an important part. An important necessity for the building of pavements is the existence of a decent subgrade. Soil stabilization is the process of improving the physical qualities of the soil in order to enhance its strength, durability etc. Soil stabilization gives an option to enhancing its strength and capacity to carry load. The many ways utilized to stabilize the soil Subgrade. However, the carbon footprint for most of the chemical stabilizations is enormous, which made researchers to find some sustainable alternatives. Present study focuses on the applicability of styrene butadiene rubber (SBR), a synthetic rubber, which is an easily accessible adhesive that may be used to improve the characteristics of soil. Soils combined with chemical stabilizer (SBR) in varied percentages have been tested for Standard Proctor Test, and California Bearing Ratio Test. As a consequence of the stabilization, the OMC was lowered and MDD of the soil increased. The results were satisfactory till the addition of 12% chemical, which means that SBR can be used as a stabilizer for improving the properties of expansive clay subgrade
Strength enhancement studies on expansive soil by utilization of unburnt agricultural waste
Authors: Samatha Chowdary P , Siva Prasada Rao K , Sanijya G 
Published: March 2022

Abstract
In order to determine stability and to support any structure underlying soil bearing strength is necessary. Of all the soils available in India black cotton soils rich in montmorillonite is one of the most problematic and expansive soils as they are every dangerous for construction because of its swelling and shrinkage properties. Such types of soils can be stabilized using locally available waste materials either agricultural or industrial. The waste materials can be used to improve the bearing strength of the soil and decrease in cost of construction. This paper focuses on improvement of strength and stability of lime treated expansive soil by using rice husk ash as additive. Compaction, Unconfined strength test, and California bearing ratio tests were performed on soil by adding lime in increments of 2 to 12% and then optimum lime was determined. To the optimum lime soil mix rice husk ash an agricultural waste was added in increments of 2 to 12 % and optimum RHA was determined.
Analysis of Water Quality Parameters of Penna River from Penna Ahobilam Balancing Reservoir (PABR) to Gandikota Reservoir in Andhra Pradesh
Authors: Kumar Palla Charan , Partha Praveen L , Lakshmi Shireesha D , Vijay Kunamineni 
Published: March 2022

Abstract
Water is one of the most precious natural resources on the planet. All living species, most ecological systems, human health, food production, and economic growth all benefit from it. Water pollution is becoming more common as a result of modern industry and population growth, since it is progressively contaminated with sewage, agricultural chemicals, oils, heavy metals, radioactive material, detergents, and other synthetic goods. The current inquiry is looking into the physical, chemical, and biological properties of the surface water of the River Penna stream, as well as the ground water of the towns nearby. In the summer, water samples from surface and ground water of 14 stream samples are collected for physical and chemical examination in March 2021. It was discovered that stream water quality had degraded to the point that it had lost its ability to purify itself. The addition of contaminants at each site resulted in an increase in the concentration of different physico-chemical parameters. In comparison to upstream locations, ground water in the mid-stream and down-stream had greater concentrations of several physico-chemical parameters. In comparison with sampling sites, Penakacharla Dam Village, had lower concentrations of electrical conductivity, total dissolved solids, total hardness i.e 120μS/cm2, 1250ppm, 1150ppm. Samples at Gandikota Barrage had lower concentrations of electrical conductivity, total dissolved solids, total hardness i.e 192μS/cm, 1875ppm, 1900ppm Surface water quality is poor for irrigation needs, with the exception of the first two upstream locations (near Jarutla Rampuram and Palyam).
Analysis of Multi-Storied Building in Different Seismic Zones using STAAD Pro
Authors: Ramakrishna B , Swetha G , Shazia SK Amreen , Kiran Sai K , Durga Venkata Dinesh S 
Published: March 2022

Abstract
The aim of this paper is to analysis of a multi-stored building [G+5] using STAAD Pro by considering different seismic zones. The analysis of a multi-stored building [G+5] initially for all type of loads (Seismic load, Dead load, Live load and Wind load) and possible load combinations are performed as per Indian codes. The seismic analysis is done under different zones which are Zone-II, Zone-III, Zone-IV, Zone-V and also zone factor values are considered as per IS 1893-2002 (Part-1). By considering each zone factor value and loads including self-weight, member weight, floor weight in seismic load, dead load, live load and wind loads the structure may affect. Also observing the Shear force, bending moment and deflection values for the whole building in different Seismic zones by using STAAD Pro. In analysing the whole structure considering all parameters like all loads (live load, dead load, seismic loads wind load) and type of structure, damping ratio, importance factor, response reduction factor, zone factor/different cities under different zones plays major role in building how it reacts to it and by shear force, bending moment, deflection values states that it is safe in particular zones or all the factors must be taken in consideration to imply the building is safe or not.
Improvement of performance and sensitivity of 2D and 3D image reconstruction in EIT using EFG forward model
Authors: Hadinia M , Jafari R 
Published: March 2022

Abstract
This paper presents a pure element-free Galerkin method (EFGM) forward model for image reconstruction in 2D and 3D electrical impedance tomography (EIT) using an adaptive current injection method. In EIT systems with the adapting current injection method, both static and dynamic images can be reconstructed; however, determination of electrode contact impedances in the complete electrode model is difficult and the Gap model is used. In this paper, in the EIT forward problem a weak form functional based on the Gap model and a pure EFGM approach are developed, and in the EIT inverse problem, Jacobian matrix is computed by the EFGM, and a fast integration technique is introduced to calculate the entries of the Jacobian matrix within an adequate computation time. The influence of increasing the density of nodes at and near the electrodes with steep electric potential gradients on the accuracy of FEM and EFGM forward solutions is investigated, and the performance of the image reconstruction algorithm with the proposed fast integration technique is examined. The numerical results reveal that the proposed EFGM forward model with the fast integration technique has an efficient performance both in terms of mean relative imaging errors and computational time.
Integrated data analysis on the electron temperature profile of HL-2A with the Bayesian probability inference method
Authors: PAN Wenan , WANG Tianbo , WANG Zhibin , YANG Yonghao , WU Hao , VERDOOLAEGE Geert , YANG Zengchen , LIU Chunhua , GUO Wenping , LI Bingli , LIU Zijie , WU Wenbin , XU Min 
Published: March 2022

Abstract
Data analysis on tokamak plasmas is mainly based on various diagnostic systems, which are usually modularized and independent of each other. This leads to a large amount of data not being fully and effectively exploited so that it is not conducive to revealing the deep physical mechanism. In this work, Bayesian probability inference with machine learning methods have been applied to the electron cyclotron emission and Thomson scattering diagnostic systems on HL-2A/2M, and the effects of integrated data analysis (IDA) on the electron temperature of HL-2A with Bayesian probability inference are demonstrated. A program is developed to infer the whole electron temperature profile with a confidence interval, and the program can be applied in online analysis. The IDA results show that the full profile of the electron temperature can be obtained and the diagnostic information is more comprehensive and abundant with IDA. The inference models for electron temperature analysis are established and the developed programs will serve as an experimental data analysis tool for HL-2A/2M in the near future.