Resilient Modulus of Subgrade Soils Using Gyratory Testing Machine

机译：基于旋转试验机的路基土弹性模量

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Characterization of soils in terms of resilient behavior is gaining supportbecause of its ready application in mechanistic analysis of pavements. The report investigates an alternate procedure of resilient testing using the U.S. Army Corps of Engineers Gyratory Testing Machine (GTM). Specifically, the paper describes the development of the GTM test procedure with special focus on simulating conditions resulting from a moving load. The stress path of GTM loading is compared to that of in situ loading to show that the GTM simulates stress conditions in the pavement. With due consideration to sample confinement in the mold, a revised equation for kneading resilient modulus Kneading Resistant Modulus is derived. For validating the test procedure, six subgrade soils and three subbase materials are investigated using the GTM, and the repeated load triaxial test, AASHTO T274-82. For in situ determination of resilient modulus of five sample soils, Dynaflect deflections are obtained on finished pavements as

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作者
George, K. P.;
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年度 1992
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总页数 107
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Subgrades; Soil mechanics; Soil tests; Pavements; Test equipment; Triaxial tests; Construction; Modulus of elasticity; Soil classification; Gyration; Test methods; Stresses; Computerized simulation;

机译：子级;土壤力学;土壤试验;路面;试验设备;三轴试验;结构;弹性模量;土壤分类;回转;试验方法;应力;计算机模拟;

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Resilient Modulus of Subgrade Soils Using Gyratory Testing Machine

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