RESTRAINT DEGREE AND EVALUATION OF CRACKING SENSITIVITY IN EARLY CONCRETE

Zhang Tao; Qin Weizu

doi:10.13204/j.gyjz200603013

Volume 36 Issue 3

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2006 > 36(3): 47-50

OU Jiajia, YANG Xuebing, WANG Xijun, LI Zheng. LATERAL PERFORMANCE OF CROSS-LAMINATED TIMBER WALLS WITH TWO DIFFERENT CONSTRUCTION TYPES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(3): 84-87,113. doi: 10.13204/j.gyjz202003014

Citation:

Zhang Tao, Qin Weizu. RESTRAINT DEGREE AND EVALUATION OF CRACKING SENSITIVITY IN EARLY CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 47-50. doi: 10.13204/j.gyjz200603013

Citation:

Zhang Tao, Qin Weizu. RESTRAINT DEGREE AND EVALUATION OF CRACKING SENSITIVITY IN EARLY CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 47-50. doi: 10.13204/j.gyjz200603013

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RESTRAINT DEGREE AND EVALUATION OF CRACKING SENSITIVITY IN EARLY CONCRETE

doi: 10.13204/j.gyjz200603013

1.
Research Institute of Building Materials,Civil Engineering Department,Tsinghua University Beijing 100084

Received Date: 2005-06-09
Publish Date: 2006-03-20

Abstract

Abstract

Shrinkage deformation is a driving force to stress generation and cracking in early concrete,whereas the occurrence of cracking depends on the restraint condition. Furthermore,the degree of restraint greatly affects the mechanical properties of early concrete. The developments of restraining stress,creep behavior and elastic modulus in concrete were measured under different restraint degrees by uniax ial restrained shrinkage test,and the influence of restraint degree on evaluation of cracking sensitivity in early concrete was also discussed.
- cracking,
- restrained shrinkage test,
- restraint degree,
- relaxation/creep

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References(4)

References

张士海,覃维祖,张娟,等. 混凝土早期抗裂性能评价单轴约束试验方法的进展. 混凝土与水泥制品, 2002(3): 13-16

林志海,覃维祖,张士海,等. 虚拟仪器技术在检测混凝土早期开裂敏感度试验中的应用. 工业建筑,2003,33(7): 37-40

Post asy F S,Tanabe T,Laube M. Assessment of External RestraintPPSpringenschmid R. Prevent ion of Thermal Cracking Concrete at EarlyAges. RILEM Report 15. London: EFN Spon,1998: 149-177

Salah A Altoubat,David A. Lange,Creep,Shrinkage,and Cracking ofRestrained Concrete at Early Age. ACI Mat erials Journal,2001,98(4):323-331

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