| 900t铁路预制箱梁混凝土裂缝控制技术 |
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| 引用本文： | 何志军,郭万中.900t铁路预制箱梁混凝土裂缝控制技术[J].中国港湾建设,2012(3):73-76. |
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| 作者姓名： | 何志军 郭万中 |
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| 作者单位： | 中交二航局第二工程有限公司,重庆,400042 |
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| 摘 要： | 混凝土裂缝是混凝土工程常见通病。从设计、混凝土原材料、混凝土配合比设计及施工、张拉工艺等方面采取了一些技术措施,有效地控制了900 t铁路预制箱梁混凝土表面裂缝产生。
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| 关 键 词： | 客运专线铁路 箱梁 微裂缝 |
Technology to Control Cracks in Concrete for 900 t Precast Box Girders for Railway Construction |
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| HE Zhi-jun
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GUO Wan-zhong.Technology to Control Cracks in Concrete for 900 t Precast Box Girders for Railway Construction[J].China Harbour Engineering,2012(3):73-76. |
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| Authors: | HE Zhi-jun GUO Wan-zhong |
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| Institution: | ( No.2 Eng. Co., Ltd. of CCCC Second Harbor Engineering Co., Ltd., Chongqing 400042, China ) |
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| Abstract: | Concrete cracking is a common problem in concrete construction. Some technical measures were taken from the viewpoints of designs, raw material and mix designs of concrete and concrete construction and tensioning techniques to effec- tively control the surface cracks in concrete for the 900 t precast box girders for railway construction. |
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| Keywords: | passenger transportation special line railway box girder micro crack |
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