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天然针铁矿胶结土样与盐酸反应的化学动力学及其力学特性预报
引用本文:程昌炳,徐昌伟,孔令伟,王桂珍.天然针铁矿胶结土样与盐酸反应的化学动力学及其力学特性预报[J].岩土工程学报,1995,17(3):44-50.
作者姓名:程昌炳  徐昌伟  孔令伟  王桂珍
作者单位:中国科学院武汉岩土力学研究所;同济医科大学;
摘    要:贵州红粘土受酸液作用后,其无侧限抗压强度降低,其中所含的胶结物质──针铁矿的含量减少,二者有函数关系。本文通过针铁矿与盐酸反应的化学动力学参数的测试,得到了针铁矿的含量与时间的函数关系。并对该土的力学特性变化作出了时间预报。其它类似的环境因素影响岩土介质时,也可用本文的原理和方法来预报其力学特性。

关 键 词:力学特性预报  红粘土  针铁矿  化学动力学  盐酸  

Chemical Kinetics for Reaction of the Clay Samples Cemented by Nature Goethite with Chiorhydric Acid and the Prediction of their Mechanical Properties
Cheng Changbing,Xu Changwei,Kong Lingwei,Wang Guizhen.Chemical Kinetics for Reaction of the Clay Samples Cemented by Nature Goethite with Chiorhydric Acid and the Prediction of their Mechanical Properties[J].Chinese Journal of Geotechnical Engineering,1995,17(3):44-50.
Authors:Cheng Changbing  Xu Changwei  Kong Lingwei  Wang Guizhen
Affiliation:Institute of Rock and Soil Mechanics Chinese Academy of Sciences Wuhan Tongji Medical University Wuhan
Abstract:After Guizhou red clay is reacted with chlohydric acid,the unconfined compression strength and goethitecontent of the clay decrease. And there is a function relationship between them. In this paper,the functional rela-tion between goethite content and time is derived from determining chemical kinetics parameters of reaction ofgoethite and chlorhydric acid The forecast for the change of mechanical properties with time has been given accord-ing to the chemical kinetics. The principle and method in this paper can also be used to prediction of mechanicalproperties of soil and rock affected by similar environment factors.
Keywords:mechanical property predication  red clay  goethite  chemical kinetics  chlorhydric acid  
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