2005, Volume 7, Issue 7
Strategic Study of CAE >> 2005, Volume 7, Issue 7
The Key Technology for Building Bridges in Perennially Frozen Earth Area During Constructing Qinghai - Tibet Railway
Qinghai - Tibet Railway Project Headquarters of The 18th Bureau Group Ltd of China Railway, Laqu,Tibet 853400, China
Next Previous
Abstract
This paper aims to give a compendious introduction of some key technologies in constructing Qinghai-Tibet railway project,which includes ： bored pile building technology in perennially frozen earth area, concrete construction schemes under frosty conditions with big difference in temperature, applications and quality control of perdurable concrete, perdurable concrete's cracking cases, cracking reasons and some preventive measures for it.
Keywords
perennially frozen earth ; bored pile ; perdurable concrete ; crack of concrete
Figures
图1
图2
图3
References
[ 1 ] 陈 鹏, 等.青藏铁路多年冻土区桥梁混凝土施工温度控制[J].铁道工程学报, 2003, (1) :136～140 link1
[ 2 ] 富文权, 等.混凝土工程裂缝分析与控制[M ].北京:中国铁道出版社, 2002.122～135 link1
[ 3 ] 铁道部.青藏铁路混凝土耐久性检验评定暂行标准[S].2003
[ 4 ] 项玉璞.冬期施工手册[M ].第二版, 北京:中国建筑工业出版社, 1998.135～140 link1
[ 5 ] BazantZP , etal.CreepandShrinkageinConcreteStructures[M ].JohnWiley&Sons, 1982
[ 6 ] 龚召熊, 等.水工混凝土的温控与防裂[M ].上海:上海科技出版社, 1993
[ 7 ] RuschH , etal.CreepandShrinkage[M ].SpringerVerlag, 1983
[ 8 ] ControlofCrackinginConcreteStructure[R].ACI224R -80
[ 9 ] 陈 希.钢纤维混凝土性能与应用前景[J].中国水利, 2003 (5B) link1
京公网安备 11010502051620号
