昔格达生土农房抗震技术研究
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摘要
昔格达土是攀西地区特有的土质,攀西大量的农房采用昔格达土作夯土墙体,但墙体存在强度低、容易开裂、剥蚀严重等现象。本文经过实验,测定了昔格达土的基本物理力学性质,研究了改善昔格达土物理力学性质的方法,通过掺加不同比例的石灰,添加碎稻草等方式,解决素土墙体存在的缺陷,给出了房屋控制尺寸的大小,通过试点房屋建设,对施工关键技术环节作出总结。
With low strength,serious denudation and crack easy,Xigeda soil is unique in Pan-xi Region,which was adopted in many rural houses with rammed earth wall.In this paper,by mixing different addition of lime and fragmentary rice straw,the physical and mechanical properties of Xigeda soil are tested,and improvement measures to avoid disadvantages are studied,and aspect ratios of buildings are proposed.After construction of experimental houses,key construction steps are put forward.
With low strength,serious denudation and crack easy,Xigeda soil is unique in Pan-xi Region,which was adopted in many rural houses with rammed earth wall.In this paper,by mixing different addition of lime and fragmentary rice straw,the physical and mechanical properties of Xigeda soil are tested,and improvement measures to avoid disadvantages are studied,and aspect ratios of buildings are proposed.After construction of experimental houses,key construction steps are put forward.
引文
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[4]王毅红,王春英.生土结构的土料受压及受剪性能试验研究[J].西安科技大学学报,2006,32(4):469～472Wang Yi-hong,Wang Chun-ying.Experiment on ShearProperties and Compressive Properties of Earth Materialof Raw-soil Structure[J].Journal of Xi’an University ofArchitecture&Technology,2006,32(4):469～472(inChinese)
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[2]彭盛恩.昔格达土组粘土的工程地质特性研究[J].水文地质与工程地质,1986,(2):16～18Peng Sheng-en.Study on engineering geology characterof XiGeDa clay[J].Hydrological geoloy and Engineeringgeology,1986,(2):16～18(in Chinese)
[3]黄金胜,陶忠,陆琨,潘文.南农村居民生土建筑土坯砌体的力学性能试验研究[J].工程抗震与加固改造,2008,30(1):94～98Huang Jin-sheng,Tao Zhong,Lu Kun,Pan Wen.Experiment on Mechanics Characteistics of AdobeMasonry of Rural Houses in Yunnan Province[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):94～98(in Chinese)
[4]王毅红,王春英.生土结构的土料受压及受剪性能试验研究[J].西安科技大学学报,2006,32(4):469～472Wang Yi-hong,Wang Chun-ying.Experiment on ShearProperties and Compressive Properties of Earth Materialof Raw-soil Structure[J].Journal of Xi’an University ofArchitecture&Technology,2006,32(4):469～472(inChinese)
[5]王峻.黄土地区农村民房生土建筑墙体材料抗震性能试验研究[J].西北地震学报,2005,27(2):158～162Wang Jun.Study on Seismic Resistance Performance ofWall Material Used in Rural Raw-soil Buildings in LoessArea[J].Northwestern Seismological Journal,2005,27(2):158～162(in Chinese)
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