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基于体积压力板仪及压力膜仪法的土水特征曲线研究
引用本文:赵宝平,李晓云,郭建平,戴追.基于体积压力板仪及压力膜仪法的土水特征曲线研究[J].科技信息,2010(17):34-35,29.
作者姓名:赵宝平  李晓云  郭建平  戴追
作者单位:[1]广州市水利科学研究所,广东广州510220 [2]包头市稀土高新技术产业开发区公用事业管理处,内蒙古包头014030 [3]广东省华侨建筑装饰公司设备安装分公司,广东广州510220
摘    要:土水特征曲线是解释非饱和土工程现象的一项基本本构关系,它的研究有助于解决工程实践中非饱和土的试验研究既费时又费力的问题。土水特征曲线特性(SWCC)表示了土中含水量与吸力之间的关系。本文针对非饱和土干–湿循环过程中的吸力变化特征,采用体积压力板仪与Tempe仪开展试验研究,测得某土样的进气值与残余含水量。

关 键 词:非饱和土  体积压力板仪  Tempe仪  土水特征曲线

Study on Soil-water Characteristic Curve With Volume Pressure Plate and Tempe Apparatus
ZHAO Bao-ping,LI Xiao-yun,GUO Jian-ping,DAI Zhui.Study on Soil-water Characteristic Curve With Volume Pressure Plate and Tempe Apparatus[J].Science,2010(17):34-35,29.
Authors:ZHAO Bao-ping  LI Xiao-yun  GUO Jian-ping  DAI Zhui
Affiliation:1.The Water Conservancy Science Graduate School of Guangzhou,Guangzhou Guangdong,510220,China;2.Public Utility Administration Office Baotou National Rare Earth Hi-Tech Industrial Development Zone,Baotou,014030,China;3.GD province overseas chinese building & decoration CO.Guangzhou Guangdong,510220)
Abstract:Soil-water characteristic curve (SWCC) is a basic constitutive relation to explain unsaturated soil engineering phenomenon,the research will help solve the problem of time-consuming and laborious in unsaturated soil engineering.Soil-water characteristic curve (SWCC)in unsaturated soils mechanics presents the relationship between water content and suction in the soil.To study the variation of matric suction with different water content,a group of tests were performed to measure the process of unsaturated soils during a cycle of desorption-absorption of moisture with volumetric pressure plate and tempe plate.At last it receives the air-entry value and residual water content of some sample.
Keywords:Unsaturated soils  Volumetric pressure plate  Tempe plate  Soil-water Characteristic Curve
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