| 港口大型圆形地下连续墙施工技术 |
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| 引用本文： | 彭波,张振,刘英驹,马明强.港口大型圆形地下连续墙施工技术[J].探矿工程,2020,47(1):62-68. |
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| 作者姓名： | 彭波 张振 刘英驹 马明强 |
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| 作者单位： | 山东正元建设工程有限责任公司,山东正元建设工程有限责任公司,山东正元建设工程有限责任公司,山东正元建设工程有限责任公司 |
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| 摘 要： | 日照港石臼港区东煤南移项目翻车机房围护结构采用圆形地下连续墙。文章阐述了在吹填地层港口环境下，针对圆形地连墙厚砂层坍塌、内径小且弧度大、圆弧形钢筋笼、偏槽等难点问题，采取了场地加固、设置导墙外扩角、改进开挖方法、特制加工平台、多方法纠偏等处理措施，取得了较好的效果，为类似工程提供一定的参考。
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| 关 键 词： | 圆形地下连续墙 圆弧形钢筋笼 偏槽 导墙外扩角 吹填地层港口 |
| 收稿时间： | 2019/3/20 0:00:00 |
| 修稿时间： | 2019/12/21 0:00:00 |
Construction technology for the large circular diaphragm wall at the port |
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| PENG Bo,ZHANG Zhen,LIU Yingju and MA Mingqiang.Construction technology for the large circular diaphragm wall at the port[J].Exploration Engineering(Drilling & Tunneling),2020,47(1):62-68. |
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| Authors: | PENG Bo ZHANG Zhen LIU Yingju and MA Mingqiang |
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| Institution: | Shandong Zhengyuan Construction Engineering Co., Ltd.,Shandong Zhengyuan Construction Engineering Co., Ltd.,Shandong Zhengyuan Construction Engineering Co., Ltd.,Shandong Zhengyuan Construction Engineering Co., Ltd. |
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| Abstract: | The circular diaphragm wall was adopted for the enclosure structure of the rolling machine room at the Shijiu port area of Rizhao Port. This paper expounds the difficulties on construction of the circular diaphragm wall at the port in the dredger fill formation environment, such as collapse of the thick sand layer, small inner diameter and large radian of the wall, the circular steel cage, trench deviation. Some treatment measures have been adopted, including ground reinforcement, setting up external expansion angle for the guide wall, improvement of the excavation method, fabrication of the special processing platform, deviation rectifying with multiple methods. Good results have been obtained, providing some references for similar projects. |
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| Keywords: | circular diaphragm wall arc-shaped steel cage deviating trench external expansion angle of guide wall port in dredger fill formation |
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