汉中农村夯土民居墙体材料绿色改性研究
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摘要
为了探索汉中山区生土建筑合适的墙体改性材料,对目前常见的生土改性材料进行归纳分析,笔者认为天然可再生材料淀粉有应用潜能,对素土,不同掺量的生石灰、熟石灰和淀粉改性生土进行了直接剪切试验,试验表明淀粉可用于山区生土建筑的改性,为汉中山区生土材料的改性研究提供科学参考。
In order to explore the proper modified materials of the raw-soil building in mountainous areas of Hanzhong,the raw-soil modified materials now being used commonly were analyzed effectively at first,and the natural reborn starch resource was thought as an ideal modification material which had a promising application prospect.In the end,experiments on shear properties of raw-soil material modified by slaked lime,quicklime and starch with different incorporation contents were carried out,and tests showed that starch was applicable to modify raw-soil in mountainous areas,which provided the reference for the raw-soil materials modification in mountainous areas of Hanzhong.
In order to explore the proper modified materials of the raw-soil building in mountainous areas of Hanzhong,the raw-soil modified materials now being used commonly were analyzed effectively at first,and the natural reborn starch resource was thought as an ideal modification material which had a promising application prospect.In the end,experiments on shear properties of raw-soil material modified by slaked lime,quicklime and starch with different incorporation contents were carried out,and tests showed that starch was applicable to modify raw-soil in mountainous areas,which provided the reference for the raw-soil materials modification in mountainous areas of Hanzhong.
引文
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[2]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):469-472,484.
[3]尚建丽,刘加平,赵西平.低能耗夯实粗粒土建筑特性的试验研究[J].西安建筑科技大学学报,2003,35(4):325-328.
[4]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.
[5]BURROUGHS S.Soil Property Criteria for Rammed Earth Stabilization[J].Journal of Materials in Civil Engineering,2007,20(3):264-273.
[6]BUI Q B,MOREL J C,VENKATARAMA REDDY B V,et al.Durability of rammed earth walls exposed for20years to natural weathering[J].Building and Environment,2009,44:912-919.
[7]王琴.生土材料的改性研究[D].重庆:重庆大学,2009.
[8]DEGIRMENCI N.The using of waste phosphogypsum and natural gypsum in adobe stabilization[J].Construction and Building Materials,2008,22:1220-1224.
[9]石坚,李敏,王毅红,等.夯土建筑土料工程特性的试验研究[J].四川建筑科学研究,2006,32(4):92-93,116.
[10]高智能,杨晓东,陶忠,等.竹筋夯土墙在水平单调荷载作用下的试验研究[J].昆明:昆明理工大学学报:理工版,2009,4(2):74-76,81.
[11]焦春节.土坯、泥浆改性试验研究及生土墙体高厚比限值研究[D].昆明:昆明理工大学,2008.
[12]刘军,袁大鹏,周红红,等.狗尾草对加筋土坯力学性能的影响[J].沈阳建筑大学学报:自然科学版,2010,26(4):720-723,733.
[13]ACHENZA M,FENU L.On earth stabilization with natural polymers for earth masonry construction[J].Materials and Structures,2006,39:21-27.
[14]NGOWI A B.Improving the traditional earth construction:a casestudy of Botswana[J].Construction and Building Materials,1997,11(1):1-7.
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