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Geotechnical Perspective of the Causes of Cracks in Building of Univer­sity Campus(Sindh University Jamshoro Sindh Pakistan)
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作者 Mushtaque Amed Pathan Maryam Maira +1 位作者 Arif Khaskheli agha jamshed 《Journal of Building Material Science》 2021年第1期51-57,共7页
The building construction throughout world faces the defects from normal to heavy and destructive like cracks and fractures which cause damages and eventually collapses to heavy life losses alongside economical and fi... The building construction throughout world faces the defects from normal to heavy and destructive like cracks and fractures which cause damages and eventually collapses to heavy life losses alongside economical and financial.The cracks like structures are found in wall and columns also.For the aim of the study,the international experts have classified the minimum allowable standards of those defects which can not be harmful to buildings and other people living there.This research study has been administered to research the most reasons to research the causes of cracks during a newly completed and used buildings in where some distinct cracks appeared immediately and after some years.Often these cracks seem in almost in walls,columns,beams,and so-like structures having different patterns.the foremost useful and customary methods consisting of reconnaissance survey;building inspection and laboratory testing were wont to investigate the causes of those distinct cracks which will cause the formation of cracks were considered and analyzed by the utilization of reconnaissance survey,factors like width,pattern,and conditions of the cracks were identified during the building inspection stage and therefore the soil properties associated with the creation of cracks were determined during the laboratory test.supported the results of the study;there was no distinct evidence of things like a matured system which will cause the creation of cracks within the building;The pore water pressure during this sort of soil takes longer time to fade,which may be expressed by the very low value of the coefficient of permeability(1.90x 10-7 to 2.15 x 10-7 m/s)acquired from different soil samples collected from the study area.Hence the cracks during this sort of building were found to be caused by the settlement of the building thanks to the character of the predominant soil type that was found within the study area,all the cracks are active cracks with their width increasing with time and therefore the soils within the entire block of the building possessed high percentage of fine materials with high moisture content and plasticity indices. 展开更多
关键词 Buildings Cracks Plasticity indices Coefficient of permeability Pore water pressure Moisture content Differential settlement
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