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| 超大截面沉管隧道预制构件温控试验 | |
| 引用本文： | 范帅,袁勇,王胜年.超大截面沉管隧道预制构件温控试验[J].地下空间与工程学报,2011,7(Z1):1308-1313. |
| 作者姓名： | 范帅 袁勇 王胜年 |
| 作者单位： | 1. 同济大学地下建筑工程系,上海,200092 2. 同济大学岩土及地下工程教育部重点实验室,上海,200092 3. 中交四航工程研究院有限公司,广州,510231 |
| 基金项目： | 国家自然科学基金资助项目(50838004) |
| 摘 要： | 港珠澳大桥沉管隧道是我国交通建设史上技术最复杂、标准最高的海中隧道工程,也是当今世界范围内规模最大的海底沉管公路隧道.如何在混凝土沉管隧道管节制作过程中控制温度与裂缝是决定工程质量的关键技术之一.从热传导问题的基本理论出发,讨论了现有国内外混凝土温度控制指标,设计完成了沉管隧道试浇块现场试验以及相关室内试验.试验结果表... |
| 关 键 词： | 沉管隧道 大体积混凝土 温度控制 试浇块试验 温控指标 |
Experimental Study on Avoidance of Early Age Thermal Cracking in Large Concrete Immersed Tunnel |
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| Fan Shuai,Yuan Yong,Wang Shengnian.Experimental Study on Avoidance of Early Age Thermal Cracking in Large Concrete Immersed Tunnel[J].Chinese Journal of Underground Space and Engineering,2011,7(Z1):1308-1313. | |
| Authors: | Fan Shuai Yuan Yong Wang Shengnian |
| Affiliation: | Fan Shuai1,Yuan Yong 2,Wang Shengnian3(1.Department of Geotechnical Engineering,Tongji University,Shanghai 200092,China,2.Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education,3.CCCC Fourth Harbor Engineering Institute Co.,Ltd,Guangzhou 510234,China) |
| Abstract: | As the world's largest undersea highway immersed tunnel,Hong Kong-Zhuhai-Macao immersed tunnel is the most complex,most difficult one with highest standard in the traffic construction history of China.Controlling and avoiding early age thermal cracking in concrete is a key technology to guarantee the construction quality of the project.This paper introduces the basic theory of heat conduction and reviews the current temperature control index of concrete at home and abroad.Through local tunnel model test and... |
| Keywords: | immersed tunnel mass concrete thermal control local model test temperature control index |
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