Journal of Engineering Research and Application最新文献

Investigation of wind effects on star shape building model 风对星形建筑模型影响的研究

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2023.2104

Vishal Kadian, Suraj Rai, Rishab Aggarwal, Raghav Siakri

{"title":"Investigation of wind effects on star shape building model","authors":"Vishal Kadian, Suraj Rai, Rishab Aggarwal, Raghav Siakri","doi":"10.55953/jera.2023.2104","DOIUrl":"https://doi.org/10.55953/jera.2023.2104","url":null,"abstract":"Building construction in India has been on rise since last two decades. More recently construction of tall buildings ranging from 10 to 50 stories have been proposed in many cities. For these buildings, wind analysis is as important as earthquake analysis, since in taller buildings, wind loads are dominant than earthquake loads at greater heights. There is a rising demand for tall structures to fulfil the occupancy requirements in congested metropolitan areas. In India, wind analysis is done according to IS 875(Part III):2015. generally engineers rely on wind tunnel experiments to understand the behaviour of winds on structures. However, for arriving at the best orientation several tests have to be conducted which is a tedious job. In this project, a necessity to adopt a different approach such as Computational Fluid Dynamics (CFD) simulation is proposed. The objective of this project is to study the effect of wind on a statement design model which is computed using AutoCAD 3D and ANSYS CFX (using CFD methodology). The modelling of building is done on AutoCAD (3D Modelling) software. The building is consisting of two cross – sections – square (at the lower portion) and plus (in the upper portion) of the building. Various contours and streamlines and their interpretation are discussed in detail.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114718376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

WIND INTERFERENCE ON A HEXAGONAL SHAPED HIGHRISE BUILDINGS WITH DIFFERENT OPENINGS 不同开口的六角形高层建筑的风干扰

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.1104

H. Goyal, Harmanbir Singh, Mayank Singh, R. Raj

{"title":"WIND INTERFERENCE ON A HEXAGONAL SHAPED HIGHRISE BUILDINGS WITH DIFFERENT OPENINGS","authors":"H. Goyal, Harmanbir Singh, Mayank Singh, R. Raj","doi":"10.55953/jera.2022.1104","DOIUrl":"https://doi.org/10.55953/jera.2022.1104","url":null,"abstract":"The wind load and pressure on a tall hexagonal structure altered as the apertures changed in this study. In various conditions, wind angles ranging from 0 to 90 degrees with a 30-degree gap are being used. The distance between the interference building and the model building was gradually raised from 50mm to 200mm at 50mm intervals. At a scale of 1:500, the main building model was studied. The ANSYS CFX package's validity was also tested using a rigid model with dimensions of 100mm x 100mm and a height of 700mm. The k-ε-turbulence model was utilised in the investigation, which was conducted using Computational Fluid Dynamics (CFD) and the ANSYS CFX software package. According to the analysis, changing the percentage of opening area has an influence on building stability because it affects the pressure on the leeward and windward faces. Contours and vortex formation were used to highlight the relationship between different scenarios. As the distance between the interference and model buildings expands, so does the pressure coefficient of the faces. The effects of apertures on the model building were also investigated, with 5-40% openings provided.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122055043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of Air Pollutions on Surface Water Contamination 大气污染对地表水污染的影响

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.2102

Md Shareeb, Srijan Saroj, Surya Pratap Singh, Sandeep Yadav

{"title":"Effects of Air Pollutions on Surface Water Contamination","authors":"Md Shareeb, Srijan Saroj, Surya Pratap Singh, Sandeep Yadav","doi":"10.55953/jera.2022.2102","DOIUrl":"https://doi.org/10.55953/jera.2022.2102","url":null,"abstract":"The observe objectives to become aware of the important thing reasserts of air pollution withinside the greater noida location in numerous aspects, especially in phrases of calculating the Air Quality Index. CO, NO2, SO2, PM2.5, PM10, O3, NH3, and Pb are the fundamental air pollution taken into consideration withinside the improvement of the Air Quality Index. The AQI can be used to decide the extent of publicity someone is uncovered to on a day-by-day basis, in addition to what treatment plans may be utilised to relieve the publicity to greater Noida air pollutants. The facts gathered on contaminants and the ensuing Air Quality Index show that citizens withinside the Greater Noida location are uncovered to good sized ranges of air pollutants, which is likewise applicable to indoor air pleasant. We know that Pollution is a defined as the Air purifiers which could efficaciously decorate air pleasant may be useful on this situation. The AQI can be used to decide the extent of publicity someone is uncovered to on a day-by-day basis, in addition to what treatment plans may be utilised to relieve the publicity to indoor air pollutants. We know that if the particle size is less than 10 mm size it may be more harmful effect of human being. They can get deep into your lungs & blood streams. In our study to check the water quality test of local canal it is a part of ganga river we have selected One point (greater Noida knowledge park |||) of this canal and test the water or to compare the standard parameter.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129939462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Wind Effects on High-Rise Buildings Using Ansys CFX 基于Ansys CFX的高层建筑风效应评价

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2023.2101

Neeraj Chandra, Pratik Kumar Singh, Vishal Kadian, Suraj Rai

{"title":"Evaluation of Wind Effects on High-Rise Buildings Using Ansys CFX","authors":"Neeraj Chandra, Pratik Kumar Singh, Vishal Kadian, Suraj Rai","doi":"10.55953/jera.2023.2101","DOIUrl":"https://doi.org/10.55953/jera.2023.2101","url":null,"abstract":"Tall building is the growing pattern of cities, these buildings are highly vulnerable to wind loads. Wind load effects on the high-rise building can be found using wind tunnel testing and CFD tools. Wind tunnel facilities are limited all around the world, so CFD tools can be incorporated. In this study, ANSYS CFX is used to investigate the effects of wind on different shapes of high-rise buildings. The results of numerical simulation are compared with the international standards of various countries. Streamline patterns and pressure contours on different faces are discussed in this paper. It is found that building shape and size are having a direct effect on the pressure distribution on various surfaces of the building model. Windward face pressure will always be positive in nature. In this study, the comparison is presented for the variation in the cross-sectional shape of the building model. For this purpose Model C and Model I are having considerable variations and Model X is considered for validation purposes only. It is well established that the results are within the allowable limit. This paper aims to discuss these windgenerated effects in the tall building model.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116740974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of concrete T-girder using MIDAS 混凝土t型梁的MIDAS分析

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.1105

Reenu Verma, R. Meena, S. Anbukumar

引用次数: 0

Determining the Void Ratio in Hot-Mix Asphalt Pavements Using Different Methods According to EN 12697 根据EN 12697使用不同方法测定热混合沥青路面的空隙率

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.2105

Shafik M. Jendia, Thaer Shomar

{"title":"Determining the Void Ratio in Hot-Mix Asphalt Pavements Using Different Methods According to EN 12697","authors":"Shafik M. Jendia, Thaer Shomar","doi":"10.55953/jera.2022.2105","DOIUrl":"https://doi.org/10.55953/jera.2022.2105","url":null,"abstract":"Inaccurate air void ratio based on erroneous bulk density can seriously affect the performance of the roadway and its quality. Therefore, several methods were improved to measure bulk density by using different techniques in the developed countries, while the Saturated Surface Dry (SSD) traditional method has been used in Gaza strip till present days. This study aims at providing a better understanding of the effect of the selected bulk density measurement method on the percentage of voids using four methods namely; Dimensional Method, Dry Method, Surface-Saturated Dry Method, and Paraffin Sealing Method. At Laboratory, sixty-nine specimens were prepared, thirty-three of them were prepared in the Marshal Design System in order to determine the optimum bitumen content of the three different mix types, and thirty-six of the specimens were taken from mixtures design in order to determine bulk density. Laboratory results showed that the SSD method is the best choice for measuring bulk density in dense and mastic mixtures. In addition, there are no differences between SSD and dry methods in mastic mix. The experimental study shows that the dimensional method is the only method suitable for the determination of bulk density (Gmb) in porous mix despite it always gives underestimated results for Gmb in all asphalt mixes. As a result, the dimensional method can be used as an indicator for the upper limit of voids, while the dry method can be used as an indicator to the lowest limit, regardless the type of mix. The study recommended to use new techniques to determine Gmb in open graded mixtures with more accurate methods rather than traditional ones.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127313726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flow Transition Due to Width Contraction 宽度收缩引起的流动过渡

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2023.2103

Abhishek Mittal, Aman Kumar, Parmit Kumar Choudhary

{"title":"Flow Transition Due to Width Contraction","authors":"Abhishek Mittal, Aman Kumar, Parmit Kumar Choudhary","doi":"10.55953/jera.2023.2103","DOIUrl":"https://doi.org/10.55953/jera.2023.2103","url":null,"abstract":"This study analyses an open channel flow’s transition due to contraction of width. The flow is initially subcritical (i.e. Fr < 1). Comparison between theoretical and experimental study is done to analyse the minimum contracted width such that if the width of the downstream section is more than this minimum contracted width flow can take place without any change in upstream specific energy. The abbreviated term suggests that the width of the open channel decreases and that leads to changes in the flow values of the differentiation from the others produced above. The dimensions of many water streams, which satisfy proper hydraulic conditions, may not be compatible with the designed dimensions of an irrigation work that needs to be constructed in some locations. The design requirements of such irrigation works may involve a contraction in the channel width in the required location. Then 2 models are prepared on ANSYS fluent one having width 0.190m which is more than the minimum contracted width and other having width of 0.1m which is less than minimum contracted width. Then the results are presented in the form of contours of volume fraction on the wall of model which validates the theoretical changes in upstream and downstream depths of flow in each case.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"25 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123655221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ANALYSIS OF PAVEMENT DESIGN USING FLY ASH IN SUBGRADE SOIL 路基土中粉煤灰路面设计分析

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.2103

R. Meena, Prateek Thakran, Pratik Sharma, Shubham Rana

{"title":"ANALYSIS OF PAVEMENT DESIGN USING FLY ASH IN SUBGRADE SOIL","authors":"R. Meena, Prateek Thakran, Pratik Sharma, Shubham Rana","doi":"10.55953/jera.2022.2103","DOIUrl":"https://doi.org/10.55953/jera.2022.2103","url":null,"abstract":"Fly Ash is a type of industrial trash that is produced as a by-product of a thermal power plant. It's a nonreactive, inert particle that can float in the air for a few seconds to several months. There have been multiple researches conducted on the influence of fly ash on pavement construction. The objective of this study is to investigate how the load bearing capacity of soil changes when differing percentages of fly ash are added to the soil. The data was obtained from NTPC Badarpur. If the available soil is good in nature, we can easily create pavement; however, if the available soil is poor in nature, we can use Instead of an expensive route, fly ash can be considered as an alternative for improving soil condition. To begin, soil parameters were considered using different tests of soils, and then Atterberg Limits were estimated. On soil, a MPT (Modified Proctor Test) was used to determine the Optimum Moisture Content (OMC) and Maximum Dry Density (MDD). A sample is compacted at OMC for the CBR test, and the results are assessed in percentages of 8%, 10%, 12%, and 13% based on the dry weight of the soil. To determine the load bearing capability of soil, CBR test is used in both wet and dry situations so that the pavement can endure even the worst conditions and the thickness of the pavement can be determined.","PeriodicalId":345208,"journal":{"name":"Journal of Engineering Research and Application","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130765636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparison of wind flow effect for varying cross – sectional height of tall building using ANSYS 基于ANSYS的高层建筑不同截面高度的风流效应比较

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2022.1102

Ark Rukhaiyar, Bhagya Jayant, Kunal Dahiya, R. Raj

引用次数: 0

A Case Study Watershed of Siraspur Delhi 以德里西拉斯普尔流域为例

Journal of Engineering Research and Application Pub Date : 1900-01-01 DOI: 10.55953/jera.2023.2105

Shubham Rana, Prateek Thakran, Bhagya Jayant

引用次数: 0