全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

悬索桥大型沉井排水下沉控制的关键问题分析

, PP. 118-127

Keywords: 桥梁工程,大型沉井,理论分析,下沉控制,适用性,抗弯刚度

Full-Text   Cite this paper   Add to My Lib

Abstract:

?为了给悬索桥大型沉井的顺利排水下沉提供参考,针对大型沉井特点,分析了其与中小型沉井下沉控制方式的异同,结合南京长江第四大桥和马鞍山长江大桥2个大型沉井的工程实践,探讨了首次下沉高度、下沉可行性指标以及开挖方式等关键问题对大型沉井下沉的影响。结果表明:大型沉井的首次接高高度受地基承载力和沉井自重应力水平的双重制约,采用荷载板试验结果来评估接高期的变形过于保守;由于荷载模式和参数取值的偏差,使传统的下沉可行性指标适用程度降低;排水下沉初期为受力最不利阶段,沉井排水下沉的开挖方式必须考虑沉井结构的抗弯刚度。

References

[1]  朱建民,龚维明,穆保岗,等.超大型沉井首次下沉关键问题研究[J].公路,2011(4):13-18.
[2]  陶建山.泰州大桥南锚碇巨型沉井排水下沉施工技术[J].铁道工程学报,2009(1):63-66.
[3]  TAO Jian-shan.Construction Technology for Draining-sinkage for South Caisson Anchorage to Taizhou Yangtze River Highway Bridge with Large-sized Sunk Well[J].Journal of Railway Engineering Society,2009(1):63-66.
[4]  葛春辉.钢筋混凝土沉井结构设计施工手册[M].北京:中国建筑工业出版社,2004.
[5]  GE Chun-hui.Structural Design of Reinforced Concrete Caisson Construction Manual[M].Beijing:China Architecture & Building Press,2004.
[6]  JTG D63—2007,公路桥涵地基与基础设计规范[S].JTG D63—2007,Code for Design of Ground Base and Foundation of Highway Bridges and Culverts[S].
[7]  CECS 137:2002,给水排水工程钢筋混凝土沉井结构设计规程[S].
[8]  CECS 137:2002,Specification for Structural Design of Reinforced Concrete Sinking Well of Water Supply and Sewerage Engineering[S].
[9]  XU Tao,LI Yang,WU Min-wu,et al.Resistance Monitoring in Construction of Caisson Foundation of Cofferdam of Xiangjiaba Hydropower Station[J]. Journal of Yangtze River Scientific Research Institute,2009,26(8):92-94.
[10]  陈晓平,茜平一,张志勇.沉井基础下沉阻力分布特征研究[J].岩土工程学报,2005,27(2):148-152.
[11]  CHEN Xiao-ping,QIAN Ping-yi,ZHANG Zhi-yong.Study on Penetration Resistance Distribution Characteristic of Sunk Shaft Foundation[J].Chinese Journal of Geotechnical Engineering,2005,27(2):148-152.
[12]  闫登峰,韩晓雷.黄土地区沉井井壁土压力研究[J].长春工程学院院报:自然科学版,2008,9(3):8-10,11.
[13]  YAN Deng-feng,HAN Xiao-lei.Study on the Open Caisson Wall Earth Pressure in the Loess Region[J].Journal of Changchun Institute of Technology:Natural Science Edition,2008,9(3):8-10,11.
[14]  GIMSING N J.大贝尔特海峡:东桥[M].西南交通大学土木工程学院桥梁工程系,中铁大桥局武汉桥梁科学研究院,译.成都:西南交通大学出版社,2008.
[15]  GIMSING N J.Belt Strait:East Bridge[M].Translated by Department of Bridge Engineering,School of Civil Engineering,Southwest Jiaotong University,Wuhan Bridge Science Research Institute of China Railway Bridge Bureau.Chengdu:Southwest Jiaotong University Press,2008.
[16]  金增洪.明石海峡大桥简介[J].国外公路,2001,21(1):13-18.
[17]  JIN Zeng-hong.Akashi Strait Bridge Introduction[J].Journal Foreign Highway,2001,21(1):13-18.
[18]  HOWARD R J,DOVER A,STEVENS R,et al.Pile Installation Demonstration Project for the New East Span of the San Francisco-Oakland Bay Bridge[C]//O'NEILL M W,TOWNSEND F C.International Deep Foundations Congress 2002:An International Perspective on Theory,Design,Construction,and Performance.Reston:ASCE,2002:158-172.
[19]  安 琳,丁大钧.香港青马大桥简介[J].桥梁建设,1997(3):22-26.
[20]  AN Lin,DING Da-jun,Introduction of Tsing Ma Bridge in Hong Kong[J].Bridge Construction,1997(3):22-26.
[21]  ALLENBY D, WALEY G,KILBURN D.Examples of Open Caisson Sinking in Scotland[J].Proceedings of the Institution of Civil Engineering-Geotechnical Engineering,2009,162(1):59-70.
[22]  ZHU Jian-min,GONG Wei-ming,MU Bao-gang,et al.Bottleneck Problem Study on First Stage Sinking of Super-large Caisson[J].Highway,2011(4):13-18.
[23]  段良策,殷 奇.沉井设计与施工[M].上海:同济大学出版社,2006.
[24]  DUAN Liang-ce,YIN Qi.Design and Construction of Caisson[M].Shanghai:Tongji University Press,2006.
[25]  刘建航,侯学渊.基坑工程手册[M].北京:中国建筑工业出版社,1997.
[26]  LIU Jian-hang,HOU Xue-yuan.Excavation Engineering Handbook[M].Beijing:China Architecture & Building Press,1997.
[27]  徐 涛,李 杨,吴民武,等.向家坝水电站围堰基础沉井施工下沉阻力监测[J].长江科学院院报,2009,26(8):92-94.
[28]  梅国雄,宰金珉.考虑变形的朗肯土压力模型[J].岩石力学与工程学报,2001,20(6):851-853.
[29]  MEI Guo-xiong,ZAI Jin-min.Rankine Earth Pressure Model Considering Deformation[J].Chinese Journal of Rock Mechanics and Engineering,2001,20(6):851-853.
[30]  穆保岗,朱建民,牛亚洲.南京长江四桥北锚碇沉井监控方案及成果分析[J].岩土工程学报,2011,33(2):269-274.
[31]  MU Bao-gang,ZHU Jian-min,NIU Ya-zhou.Monitoring and Analysis of North Anchorage Caisson of Fourth Nanjing Yangtze River Bridge[J].Chinese Journal of Geotechnical Engineering,2011,33(2):269-274.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133