灾后重建中夯土墙民居现场抗震试验研究与实践
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摘要
对西南山区使用较广泛的夯土墙进行了现场墙片抗剪性能试验与土样直接剪切试验,研究夯土墙体在单调荷载作用下的夯土墙承载力指标和破坏形态,并对夯土墙抗剪承载力的主要影响因素进行了探讨,提出夯土墙抗剪强度计算的建议公式。在试验研究的基础上,对当地典型夯土墙结构农房进行了抗震设计及施工工艺改良,并且指导建造了33户新型夯土墙农房,起到了很好的示范作用。
The direct shear test on rammed earth specimens and monotonic loading test on rammed earth walls which structure is used in the country are studied.The shear strength and failure mode are analsed and shear-bearing formula of rammed earth walls is advised,which lays a theoretical foundation for the seismic calculation method.In the course of experimental research,seismic structure and construction technology of local rammed earth buildings were designed and improved.Meanwhile,33 households constructed new rammed earth residence under guidance,which played an exemplary role to the adjacent regions.
The direct shear test on rammed earth specimens and monotonic loading test on rammed earth walls which structure is used in the country are studied.The shear strength and failure mode are analsed and shear-bearing formula of rammed earth walls is advised,which lays a theoretical foundation for the seismic calculation method.In the course of experimental research,seismic structure and construction technology of local rammed earth buildings were designed and improved.Meanwhile,33 households constructed new rammed earth residence under guidance,which played an exemplary role to the adjacent regions.
引文
[1]JGJ161—2008镇(乡)村建筑抗震技术规程[S].
[2]GB/T50123—1999土工试验方法标准[S].
[3]周铁钢,穆钧,杨华.抗震夯土民居在灾后重建中的应用与实践[J].世界地震工程,2010,26(3):145-150.
[4]王毅红,苏东君,刘伯权,等.生土结构房屋的承重夯土墙体抗震性能试验研究[J].西安建筑科技大学学报,2007,39(4):451-456.
[5]赵西平,门进杰,史庆轩,等.夯土墙在单调和反复水平荷载下的试验研究[J].世界地震工程.2006,22(2):29-33.
[2]GB/T50123—1999土工试验方法标准[S].
[3]周铁钢,穆钧,杨华.抗震夯土民居在灾后重建中的应用与实践[J].世界地震工程,2010,26(3):145-150.
[4]王毅红,苏东君,刘伯权,等.生土结构房屋的承重夯土墙体抗震性能试验研究[J].西安建筑科技大学学报,2007,39(4):451-456.
[5]赵西平,门进杰,史庆轩,等.夯土墙在单调和反复水平荷载下的试验研究[J].世界地震工程.2006,22(2):29-33.
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