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《Concrete》 2007-12
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Mechanism analysis of temperature crack appear of super mass concrete and new methods of anti-rack

JIANG Xi-ping1,2,WANG She-liang1,DUAN Shu-xin3,SUN Ye1(1.School of Civil Engineering Xi'an University of Architecture and Technology,Xi'an 710055,China; 2.Department of Civil Engineering Anhui University of Science and Technology,Huai'nan 232001,China; 3.The First Sub-Company of the 13th Construction Company China National Chemical Engineering,Cangzhou 061000,China)  
This paper introduces the concept of super mass concrete;elaborates the two main essential requirements,temperature difference and constraints,of the temperature crack of super mass concrete;points out that at the early stage of hydration reaction of super mass concrete,the temperature difference is easy to come out.Under inner constraint,surface crack comes out;During the cooling stage of super mass concrete,the shrinkage of concrete under external restraints is easier to cause the appearance of transverse cracks,which will severely affect the properties of structure and destroy the integrity and durability of structure and so on.Based on the principle of anti-rack and removal of constraints,the paper proposes two new practicable countermeasures:compound super mass lean concrete and elastic-sliding bedding cushion and also introduces the specific methods of them in the real projects.These two measures have certain guide meaning of cracking resistance problems of super mass concrete.
【Fund】: 国家自然科学基金项目(59878044);; 安徽理工大学硕士基金项目
【CateGory Index】: TU755
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2 LIU Wei-guo;Study on the reasons caused the temperature cracks production in mass concrete and countermeasures[J];Shanxi Architecture;2009-24
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1 LIU Wen-yan~(1,2),HUANG Ding-ye~2,HUA Yi-jie~3(1.Department of Civil Engineering,Shanghai Institute of Technology,Shanghai200233,China;2.Tongji University,Shanghai200092,China;3.Construction Bureau of Pudong,Shanghai200000,China);Probe into test method of heat convection coefficient of concrete[J];Building Science Research of Sichuan;2004-04
2 SIMA Jun-hua,ZHANG Shi-lian(School of Naval Architecture,Ocean and Civil Engineering,Shanghai Jiao Tong University,Shanghai 200030,China);Finite element calculation on unsteady temperature field and thermal stress[J];Journal of Ship Mechanics;2006-04
3 LIU Shu-hua,FANG Kun-ke and WANG Xiao-yanState Key Laboratory of Water Resource and Hydropower engineering Science;Research on compressive elastic modulus of concrete[J];Large Dam and Safety;2004-06
4 Zhao Shihuai; Huang Xiadong; Li Guangxu; Chen Dewei; Wu Di etc (Fujian Institute of Building Research 350002);Technigues on Controlling Temperature Crack of Massive Concrete Structure in Tall Building[J];Fujian Architecture & Construction;1997-04
5 CHEN Feng, ZHENG Jian - lan (College of Civil Engineenng and Architecture, Fuzhou University, Fuzhou, Fujian 350002, China);The development of adherence of new on old concrete and the prospects of self - compacting concrete used in it[J];Journal of Fuzhou University(Natural Sciences Edtion);2005-S1
6 HAN Ju-hong1,2 , ZHAO Guo-fan2 , ZHANG Lei-shun1 (1. Department of Environment & Hydraulic Engineering, Zhengzhou University, Henan Zhengzhou 450002, China; 2. State Key Laboratory Coastal and Offshore Engineering, Dalian University of Technology, Liaoning Dalian 116023, China);STUDY OF THE FRACTURE PROCESS ZONE OF ADHESIVE INTERFACE OF NEW AND OLD CONCRETE[J];Engineering Mechanics;2004-06
7 Li Qiuyi,Chen Xiufang Author's address School of Civil & Architectural Eng.,Central South Univ.,410075,Changsha,China;Key Technology in Jointless Track Design on UMT Viaduct[J];Urban Mass Transit;2004-02
8 Tian Wenling Zhao Guogfan (Dept.of Civil Engineering,Dalian University of Technology,Dalian 116024);STUDY ON ADHERENCE MECHANISM OF YOUNG TO OLD CONCRETE[J];JOURNAL OF HEBEI INSTITUTE OF TECHNOLOGY;1998-02
9 LIU Ning 1,KE Qing qing 2,YAN Xu 3 (1.College of Civil Engineering, Hohai Univ. Nanjing 210098,China; 2.Beian Water Resource and Water Power Bureau of Meizhou Bay at Putian, Putian 351100,China; 3.Nanjing Bureau of Water Resource,Nanjing 210008,Chi;Primary Research on Random Temperature Field of a Typical Concrete Gravity Dam[J];JOURNAL OF HOHAI UNIVERSITY;2000-03
10 LU Shi-qiang (Suzhou Industrial Park Xin Xing Concrete Co.Ltd,Suzhou 215001,China);The Application of Expansion Agent in Mass Concrete and Thin Wall Concrete of Wu Jiang Municipal Century Mansion[J];Concrete;2001-02
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