| 振冲砂桩复合地基单桩最优桩间距的确定 |
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| 引用本文： | 王治军,王继华,何军,李喜安,宋焱勋,宋继文,马崇,王锦霞,李亮,陈文军,贾丽娜.振冲砂桩复合地基单桩最优桩间距的确定[J].工程地质学报(英文版),2011,19(4):606-609. |
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| 作者姓名： | 王治军 王继华 何军 李喜安 宋焱勋 宋继文 马崇 王锦霞 李亮 陈文军 贾丽娜 |
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| 作者单位： | 1.西安长庆科技工程有限责任公司 西安 710021; |
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| 基金项目： | 西安长庆科技工程有限责任公司科技攻关项目(20090916); 国家自然科学基金面上项目(40772182); 长安大学中央高校基本科研业务费专项资金项目(CHD2010JC)资助 |
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| 摘 要： | 通过现场振冲砂桩施工及标贯试验,围绕振冲砂桩复合地基砂桩的合理间距开展了试验研究.结果表明在本文各种试验工况中,1.4m工况的桩间距为振冲砂桩施工的最优间距.分析认为对于振冲砂桩施工法而言,当地层条件、振动力、振动频率及施工工艺一定时,实际密实效果主要与桩间距有关.在与本文试验场地条件相似的场地进行振冲砂桩复合地基施工...
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| 关 键 词： | 毛乌素沙漠 风积砂 振冲砂桩 桩间距 |
| 收稿时间： | 2011-02-10 |
FIELD TESTS ON RATIONAL SPACING BETWEEN VIBROFLOTATION SAND PILES |
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| Institution: | 1.Company limited of Changqing Science and Technology,Xi'an 710021;2.Geo-Environmental Monitoring Institute of Henan Province,Zhengzhou 450016;3.College of Geology Engineering and Geomatics,Chang'an University,Xi'an 710054;4.Geology Team of Exploration Bureau of Hebei Province,Handan 056001;5.Open Research Laboratory of Geotechnical Engineering,The Ministry of Land Resources,Xi'an 710054 |
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| Abstract: | Based on the field SPT,the Rational Spacing between Vibroflotation sand Piles in Aeolian Sand of the Mu Us Desert is studied in this paper.The results show that the spacing of 1.4m was the most effective pile spacing.It is suggests that the compaction effects mainly depend on the pile spacing under the same conditions of sand layers,vibration force,vibration frequency as well as the construction technology.In the case of the tests in this paper,where the diameter of the tested sand piles is 1m,the pile spac... |
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| Keywords: | Mu Us Desert Aeolian sand Vibroflotation sand pile Rational spacing Foundation engineeeing |
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