| 柱锤冲扩夯实混凝土桩桩身填料工程特性试验研究 |
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| 引用本文： | 刘熙媛,李岩峰,朱铁军,王恩远. 柱锤冲扩夯实混凝土桩桩身填料工程特性试验研究[J]. 混凝土, 2009, 0(9). DOI: 10.3969/j.issn.1002-3550.2009.09.011 |
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| 作者姓名： | 刘熙媛 李岩峰 朱铁军 王恩远 |
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| 作者单位： | 河北工业大学土木工程学院,天津,300401;天津市玉森基础工程有限公司,天津,300073 |
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| 基金项目： | 河北省建设科学技术研究计划 |
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| 摘 要： | 为了研究夯实混凝土作为柱锤冲扩桩新型桩身填料的工程特性,首先通过室内击实试验获得了夯实混凝土材料的最佳配合比参数,然后采用最佳配合比参数进行无侧限抗压强度试验,研究了夯实混凝土的工程特性.并与普通浇筑混凝土的强度特性进行了比较.研究结果表明:通过击实成型的夯实混凝土密实性很好,并具有快硬、早强的特点.在水泥用昔较小的情况下即可获得较好的强度特性.在标准养护、水中及饱和土中养护时,强度均能得到较充分的发展,因此可在各种地基处理环境下应用.
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| 关 键 词： | 柱锤冲扩桩法 夯实混凝土 配合比参数 抗压强度 |
Experimental research on pile material's engineering characteristics of rammed concrete piles thrusted-expanded in column-hammer |
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| LIU Xi-yuan,LI Yan-feng,ZHU Tie-jun,WANG En-yuan. Experimental research on pile material's engineering characteristics of rammed concrete piles thrusted-expanded in column-hammer[J]. Concrete, 2009, 0(9). DOI: 10.3969/j.issn.1002-3550.2009.09.011 |
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| Authors: | LIU Xi-yuan LI Yan-feng ZHU Tie-jun WANG En-yuan |
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| Affiliation: | 1.School of Civil Engineering;Hebei University of Technology;Tianjin 300401;China;2.Tianjin Yusen Foundation Engineering Co.;Ltd.;Tianjin 300073;China |
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| Abstract: | In order to research engineering characteristics of rammed concrete used to piles thrusted-expanded in column-hammer,optimum parameters of mix proportion were obtained by compaction test of rammed concrete in laboratory first,then unconfined compression strength tests were accomplished using optimum parameters of mix proportion and engineering characteristics of rammed concrete were studied.Finally,strength characteristics of rammed concrete were compared with ordinary depositing concrete.The research resul... |
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| Keywords: | piles thrusted-expanded in column-hammer rammed concrete parameters of mix proportion compression strength |
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