改性土体材料的抗压强度试验研究
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摘要
为改善新疆地区传统土坯砌体民居的素土体建筑材料的性能,通过在素土中掺和麦秸秆或粗砂,形成改性土体材料.参照混凝土抗压试验标准,制作了4种尺寸素土体材料的立方体抗压强度试验试块,并制作了边长100mm的改性土体材料立方体试块.通过试块的抗压强度试验对比分析,研究其抗压强度和变形能力,提出了掺和麦秸秆和粗砂的最佳比例范围.试验结果表明,在素土中掺和麦秸秆或粗砂,可提高抗压强度和极限位移.
To improve the properties of traditional earth building materials in Xinjiang,stabilizers such as straw or coarse sand were added to raw soil so as to generate modified soil materials. Based on the standards of concrete compression tests,cubic raw soil specimens of four sizes and modified soil material specimens with a side length of 100 mm were prepared. Through comparative analysis of compression tests of specimens,their compressive strengths and deformation capacities were studied. An optimum ratio of additives such as straw and coarse sand is recommended. The test results indicate that appropriate additives of straw or coarse sand added to raw-soil materials can improve their compressive strength and deformation capacity.
To improve the properties of traditional earth building materials in Xinjiang,stabilizers such as straw or coarse sand were added to raw soil so as to generate modified soil materials. Based on the standards of concrete compression tests,cubic raw soil specimens of four sizes and modified soil material specimens with a side length of 100 mm were prepared. Through comparative analysis of compression tests of specimens,their compressive strengths and deformation capacities were studied. An optimum ratio of additives such as straw and coarse sand is recommended. The test results indicate that appropriate additives of straw or coarse sand added to raw-soil materials can improve their compressive strength and deformation capacity.
引文
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[10]陶忠,谭冠平,曹净,等.云南农村民居土筑墙体土工试验研究[J].工程抗震与加固改造,2008,30(1):90-93.(TAO Zhong,TANGuan-ping,CAOJing,et al.Soil testfor rammed earth wall of rural housesin Yunnau Province[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):90-93.(in Chinese))
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[12]琳恩.伊丽莎白,卡萨德勒.亚当斯.新乡土建筑:当代天然建造方式[M].北京:机械工业出版社,2005:141-145.
[13]GB/T50081—2002普通混凝土力学性能试验方法标准[S].
[14]VARGAS J,BARIOLAJ,BLONDET M.Seismic strength of adobe masonry[J].Materials and Structures,1986,19(4):253-258.
[2]葛学礼,朱立新,王亚勇,等.村镇建筑震害与抗震技术措施[J].工程抗震,2001,3(1):43-48.(GE Xue-li,ZHULi-xin,WANG Ya-yong,et al.Earthquake disaster of buildings in villages and towns and technical protective measures[J].Earthquake Resistant Engineering,2001,3(1):43-48.(in Chinese))
[3]阿肯江.托呼提,亓国庆,陈汉清.新疆南疆地区传统土坯房屋震害及抗震技术措施[J].工程抗震与加固改造,2008,30(1):82-86.(AKENJIANG Tuohuti,QI Guo-qing,CHEN Han-qing.Seismic damage and seismic countermeasures of Xinjiang traditional adobe house[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):82-86.(in Chinese))
[4]周铁钢,王瑾,李晓文,等.新疆农村适宜性房屋试验研究与经济分析[J].工程抗震与加固改造,2008,30(1):87-89.(ZHOU Tie-gang,WANGJin,LI Xiao-wen,et al.Seismic test research and economic analysis for Xinjiang suitable buildings invillages[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):87-89.(in Chinese))
[5]周铁钢,王庆霖,胡昕.新疆砖木结构民居抗震试验研究与对策[J].世界地震工程,2008,30(1):120-124.(ZHOUTie-gang,WANG Qing-lin,HUXin.Seismic test research and countermeasures analysis of brick-wood structural dwellings in Xinjiang[J].World Earthquake Engineering,2008,30(1):120-124.(in Chinese))
[6]亓国庆.木柱梁-土坯组合墙体有线元数值分析[D].乌鲁木齐:新疆大学,2007.
[7]黄金胜,陶忠,陆昆,等.云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):94-98.(HUANGJin-sheng,TAOZhong,LUKun,et al.Experiment on mechanics characteistics of adobe masonry of rural houses in Yunnan Province[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):94-98.(in Chinese))
[8]陶忠,潘兴庆,潘文,等.云南农村民居土坯墙单块土坯力学特性试验研究[J].工程抗震与加固改造,2008,30(1):99-104.(TAOZhong,PANXing-qing,PAN Wen,et al.Mechanics characteristics of adobe of rural houses in Yunnan Province[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):99-104.(in Chinese))
[9]王毅红,王春英,李先顺,等.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,2006,26(4):470-484.(WANG Yi-hong,WANG Chun-ying,LI Xian-shun,et al.Experiment on shear properties and compressive properties of earth material of raw-soil structure[J].Journal of Xi’An University of Science and Technology,2006,26(4):470-484.(in Chinese))
[10]陶忠,谭冠平,曹净,等.云南农村民居土筑墙体土工试验研究[J].工程抗震与加固改造,2008,30(1):90-93.(TAO Zhong,TANGuan-ping,CAOJing,et al.Soil testfor rammed earth wall of rural housesin Yunnau Province[J].Earthquake Resistant Engineering and Retrofitting,2008,30(1):90-93.(in Chinese))
[11]阿肯江.托呼提,阿里木江.马克苏提,王墩.生土坯建筑抗震加固研究综述[J].新疆大学学报:自然科学版,2008,25(2):142-159.(AKENJIANG Tuohuti,ALIMUJIANG Makesuti,WANG Dun.Review of researches on the seismic strengthening for adobe buildings[J].Journal of Xinjiang University:Natural Science Edition,2008,25(2):142-159.(in Chinese))
[12]琳恩.伊丽莎白,卡萨德勒.亚当斯.新乡土建筑:当代天然建造方式[M].北京:机械工业出版社,2005:141-145.
[13]GB/T50081—2002普通混凝土力学性能试验方法标准[S].
[14]VARGAS J,BARIOLAJ,BLONDET M.Seismic strength of adobe masonry[J].Materials and Structures,1986,19(4):253-258.
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