谌文武1，*， 任晓峰2，， 赵佩1，， 伏祥龙2，， 张有龙1，， 杨光2，
（ 1、兰州大学土木工程与力学学院,兰州 730000； 2、（1.兰州大学西部灾害与环境力学教育部重点实验室,兰州 730000； ）
摘要： 在工程实际中，黄土多孔易湿陷易胀缩等性质的存在，对人们安全生产造成了极大威胁，基于此，本文以新型固化剂SH及石灰加固黄土并进行无侧限抗压强度试验，研究了两种加固材料分别加固时和同时加固时的强度特征，并对加固机理做了初步探讨。通过对比发现，两种加固材料都可使土体强度不同程度提高，两种材料同时加固时，SH浓度达到1.5%时有最经济的加固价值，通过孔隙比建立SH浓度与石灰掺量的数学关系在确定SH浓度后可快速确定石灰掺量，对实际工程有指导意义。。
关键词： SH；石灰；抗压强度
CHEN Wenwu1,*， REN Xiaofeng2,， ZHAO Pei1,， FU Xianglong2,， ZHANG Youlong1,，YANG Guang2,
（ 1、School of Civil Engineering and Mechanics,Lanzhou University,Lanzhou 730000； 2、Key Laboratory of Mechanics on Disaster and Environment in Western China,Lanzhou University,Ministry of Education,Lanzhou 730000； ）
Abstract： In engineering practice, the exiting of the properties of loess such as porosity、easy collapsible and easy swell-shrink has a great threat on safety production of people. Based on above, this paper using the new curing agent SH and lime to consolidate loess and then do the unconfined compressive strength tests, studies the strength properties consolidated by two kinds of reinforcement materials respectively and at the same time, finally , has a preliminary discussion on mechanism of consolidation. By comparison, two kinds of reinforcing materials can both make the strength of soil improved to varying degrees. When the two kinds of reinforcing materials consolidate loess at the same time, SH concentration reaches 1.5%then it has the most economical consolidating value. The mathematical relationship between SH concentration and dosage of lime are established by void ratio, then the dosage of lime can be derived by SH concentration which has guiding significance for practical engineering.
Keywords： SH; lime; compressive strength
作者简介： 谌文武（1966-）男，教授，博士生导师，主要从事地质工程、岩土工程、文物保护工程科研与教学工作。
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