改性膨胀土CBR值的试验研究  

TESTING STUDY ON CBR VALUE OF IMPROVED EXPANSIVE SOILS

作　　者：王雁然[1] 曹定胜[1] 

机构地区：[1]武汉大学土木建筑工程学院,武汉430072

出　　处：《岩石力学与工程学报》2004年第z1期4396-4399,共4页Chinese Journal of Rock Mechanics and Engineering

摘　　要：结合郑少高速公路的建设,通过一系列的室内外试验,了解影响改性膨胀土CBR值的主要因素,探讨CBR值的变化规律及改善膨胀土路基CBR值的方法。Based on the construction of Zhenshao highway,a series of indoor and outdoor tests are carried out to find out the major influencing factors of CBR value of improved expansive soils.The variation rule of CBR value and the methods of improving CBR value of roadbed of expansive soils are discussed.

关 键 词：土力学 CBR 石灰 膨胀土 含水量 干密度 

分 类 号：TU443[建筑科学—岩土工程]