| 填海造陆区旋喷桩止水帷幕施工实践 |
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| 引用本文： | 金成文,朱匡平. 填海造陆区旋喷桩止水帷幕施工实践[J]. 探矿工程(岩土钻掘工程), 2009, 36(3): 57-59 |
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| 作者姓名： | 金成文 朱匡平 |
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| 作者单位： | 1. 青岛地质工程勘察院,山东,青岛,266071
2. 青岛鹏利南华商业发展有限公司,山东,青岛,266071 |
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| 摘 要： | 填海造陆区地层回填时间短,填料成分多以开山碎石为主,结构松散,空隙大,地下水与海水连通性好,在潮汐作用下,海水的冲刷能力强,在该类地层中施工止水帷幕存在成孔难和浆液难在原处凝固2个技术难题.在详细地分析了施工区的工程地质条件后对旋喷桩的成孔工艺和施工顺序进行了大胆的尝试和创新,并在施工过程中进行了合理的改进和优化,取得了良好的施工效果.
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| 关 键 词： | 填海造陆区 旋喷桩 止水帷幕 |
Construction Practice of Jet-grouting Pile Water-proof Curtain in Sea Reclamation Region |
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| JIN Cheng-wen and ZHU Kuang-ping. Construction Practice of Jet-grouting Pile Water-proof Curtain in Sea Reclamation Region[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2009, 36(3): 57-59 |
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| Authors: | JIN Cheng-wen and ZHU Kuang-ping |
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| Affiliation: | Qingdao Geo-engineering Investigation Institute;Qingdao Pengli Nanhua Business Development Co., Ltd. |
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| Abstract: | In the formation of sea reclamation region, backfill only experienced short time with most filling material of excavated-stone, so the loose structure, large interstice, smooth connectivity of underground water & sea water and strong scouring by tidal action existed, which brought difficulties in borehole completion and slurry solidification for water-proof curtain construction. Based on the detailed analysis on the engineering geological condition, practice and innovation were carried on for hole boring technology and construction sequence of jet-grouting pile. Good construction effect was achieved with reasonable improvement and optimization. |
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| Keywords: | sea reclamation region jet-grouting pile water-proof curtain |
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