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| 一种新型板桩码头结构的离心模拟 | |
| 引用本文： | 徐光明,蔡正银,曾友金,顾行文,李士林,刘永绣,吴荔丹.一种新型板桩码头结构的离心模拟[J].岩土力学,2010,31(Z1):48-52. |
| 作者姓名： | 徐光明 蔡正银 曾友金 顾行文 李士林 刘永绣 吴荔丹 |
| 作者单位： | 1. 南京水利科学研究院,南京,210029;水文水资源与水利工程国家重点实验室,南京,210029 2. 中国水电顾问集团贵阳勘测设计研究院,贵阳,550081 3. 中交第一航务工程勘察设计院,天津,300222 |
| 摘 要： | 卸荷式地连墙板桩结构码头是国内自主创新的深水码头结构,为了深入认识这一板桩码头结构在设计荷载下的工作性状和土与结构共同作用机制,结合某一拟建码头泊位的卸荷式地连墙板桩码头结构设计方案验证需要,进行了3组大型土工离心模型试验研究。其中2组为重复性的模型试验,以验证设计方案的可行性;第3组则模拟了无卸荷平台结构的地连墙板桩码头结构设计方案,以比较有无卸荷平台的板桩码头来揭示全直桩卸荷平台结构的卸荷效果。并且介绍了码头结构离心模拟技术,包括模型设计、模型制作和模型测量及试验步骤等关键内容。 |
| 关 键 词： | 离心模拟 板桩码头 卸荷平台 群桩基础 黏土地基 |
| 收稿时间： | 2010-04-26 |
Centrifuge modeling for an innovative sheet-pile bulkhead of diaphragm |
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| XU Guang-ming,CAI Zheng-yin,ZENG You-jin,GU Xing-wen,LI Shi-lin,LIU Yong-xiu,WU Li-dan.Centrifuge modeling for an innovative sheet-pile bulkhead of diaphragm[J].Rock and Soil Mechanics,2010,31(Z1):48-52. | |
| Authors: | XU Guang-ming CAI Zheng-yin ZENG You-jin GU Xing-wen LI Shi-lin LIU Yong-xiu WU Li-dan |
| Institution: | 1. Nanjing Hydraulic Research Institute, Nanjing 210029, China; 2. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210029, China 3. Hydro China Guiyang Engineering Corporation, Guiyang 550081, China; 4. CCCC First Harbor Consultants Co., Ltd., Tianjin 300222, China |
| Abstract: | A totally new sheet-pile bulkhead with load-relief platform supported by vertical cast-in-situ piles is proposed to meet the construction of deep water berth in the new port where there are soft clay strata in ground. It is necessary to make an investigation by physical modeling into the behavior of this new type of sheet-pile bulkhead, especially into the contribution of load-relief platform supported by vertical cast-in-situ piles. Three large geotechnical centrifuge model tests were conducted to verify the proposed design of such new port structure to be built. The contribution of load-relief platform is also displayed by comparison of behaviors of sheet-pile bulkhead of two schemes, one with load-relief platform and another without it. Also the centrifuge modeling technique for sheet-pile bulkhead is introduced including model design, model preparation, model instrumentation and testing procedure, etc. |
| Keywords: | centrifuge modeling sheet-pile bulkhead load-relief platform pile foundation clay foundation |
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