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东营市地基土体扁铲侧胀试验研究

Experimental study on flat dilatometer tests for foundation soil in Dongying
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摘要 对东营市地基土体进行了扁铲侧胀试验(DMT)研究。在现场测试的基础上,进行了地基土的分层;在比较各经验公式的适宜性的基础上进行了经验公式的选取;利用选取的经验公式求取了大量土层参数,如粘性土不排水抗剪强度、砂土内摩擦角、静止侧压力系数、超固结比、压缩模量、弹性模量和基床反力系数等。研究结果表明:DMT试验分层效果良好,利用经验公式求取的各个土层的物理力学参数比较合理。 The tests to the foundation soil in Dongying have been done by using the fiat dilatometer test (DMT). According to the data from the in-situ tests, the soil division has been done, and the empirical formulas have been elected based on the suitability for the soil. By using the formulas, the parameters of each soil layer such as the undrained shear strength of clay, angle of the internal friction of sandy soil, lateral earth pressure coefficient at rest, OCR, modulus of compression, modulus of elasticity and coefficient of subgrade reaction are calculated. The results shows that DMT could divide the soil easily and the soil parameters based on the empirical formulas are reasonable.
作者 何东林 陆秋生 宋云龙 张战胜 吴焕然 He Donglin, Lu Qiusheng, Song Yunlong, Zhang Zhansheng, Wu Huanran (1. Shandong Zhengyuan Construction Co. ,Ltd, Jinan 250014, China; 2. School of Earth Sciences and Engineering, Nanfing University, Nanjing 210093, China)
出处 《工程勘察》 2013年第7期27-30,共4页 Geotechnical Investigation & Surveying
关键词 扁铲侧胀试验 静止侧压力系数 地基土分层 土层参数 flat dilatometer test(DMT) lateral earth pressure coefficient at rest division of foundation soil soil parameter
作者简介 何东林(1982-),男(汉族),山东泰安人,大学本科,工程师.
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