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《Concrete》 2007-12
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Study on the durability of lining concrete of subsea tunnel

JIANG Fu-xiang1,2,ZHAO Tie-jun1,SU Qing2,WAN Xiao-mei1(1.School of Civil Engineering,Qingdao Technological University,Qingdao 266033,China; 2.Xi'an University of Architecture & Technology,Xi'an 710055,China)  
Subsea tunnel is different from land tunnel and the problem of durability is more important than its linging concrete structure.Optimizing the material of marine high performance concrete is the key to enhance the durability of lining concrete structure of subsea tunnel.According to the characteristic of the service condition,required indexes of strength and durability are put forward to the lining concrete.Then the effect of W/B ratio,fly ash and slag powder content on durability,such as chloride penetration and carbonation are studied by experiments.And primary mix proportion is presented.Furthermore,some aspects which should be studied further are listed for the lining concrete structure of subsea tunnel in prospects.
【Fund】: 国家自然科学基金(50378045);; 青岛胶州湾隧道资助项目(20063702001811)
【CateGory Index】: TU528.32
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