| 天津滨海吹填土结构强度增长机理 |
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| 引用本文： | 成玉祥, 杜东菊, 张骏. 天津滨海吹填土结构强度增长机理[J]. 煤田地质与勘探, 2010, 38(1): 45-49. DOI: 10.3969/j.issn.1001-1986.2010.01.011 |
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| 作者姓名： | 成玉祥 杜东菊 张骏 |
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| 作者单位： | 1. 长安大学, 陕西 西安 710054; |
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| 基金项目： | 天津市社会发展重点资助项目(04311381);;天津市科技发展计划项目(06YFSZSF04000) |
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| 摘 要： | 为了研究影响天津滨海吹填土结构强度增长的因素,分析了等效荷载、有效应力增量、孔隙比和含水量与结构强度之间的关系,得出随着等效荷载和有效应力增量的增大,吹填土的结构强度呈增高的趋势。含水量和孔隙比越大,吹填土的结构强度越低。研究认为,吹填土结构强度的形成与吹填土的排水固结密切相关。吹填土在真空预压条件下,排水固结过程分为早期空气排出、真空渗流场作用下的渗透固结和真空条件下的水分气化排出3个阶段。
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| 关 键 词： | 吹填土 真空预压 结构强度 增长机理 |
| 收稿时间： | 2009-08-05 |
Research on the structural strength growth mechanism of seashore hydraulic fill in Tianjin area |
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| CHENG Yuxiang, DU Dongju, ZHANG Jun. Research on the structural strength growth mechanism of seashore hydraulic fill in Tianjin area[J]. COAL GEOLOGY & EXPLORATION, 2010, 38(1): 45-49. DOI: 10.3969/j.issn.1001-1986.2010.01.011 |
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| Authors: | CHENG Yuxiang DU Dongju ZHANG Jun |
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| Affiliation: | 1. Chang'an University, Xi'an 710054, China;2. Key Laboratory of Western China's Mineral Resources and Geological Engineering, Ministry of Education, Chang'an University, Xi'an 710054, China;3. Tianjin Institute of Urban Construction, Tianjin 300384, China |
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| Abstract: | The relationships among equivalent load,effective stress increment,water content,pore ratio and struccrease.The bigger the water content and the pore ratio are,the lower the structure strength of hydraulic fill is.It is considered that the formation of structure strength of hydraulic fill is closely related to its drainage concretion.The drainage concretion process of hydraulic fill includes forepart air discharge,penetrating concretion in vacuum ture strength were studied to probe the factors influencing t... |
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| Keywords: | hydraulic fills vacuum preloading structural strength growth mechanism |
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