A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction method for cast-in-place concrete anti-collision guardrail of highway bridge in earthquake-prone area
The invention provides a construction method for a cast-in-place concrete anti-collision guardrail of an expressway bridge in an earthquake-prone area, and relates to the technical field of expressway anti-collision guardrail facilities. The cast-in-place concrete anti-collision guardrail comprises a steel reinforcement framework which is installed on the upper surface of the interior of a concrete bridge deck slab; a prefabricated part is arranged at one end of the steel reinforcement framework in a penetrating mode, a cushion formwork batten strip is arranged on the prefabricated part located at one end of the steel reinforcement framework in an attached mode, and the method comprises the following steps of S1, surveying and lofting, S2, steel bar binding, S3, prefabricated grout stopping part installing, S4, formwork erecting, S5, concrete pouring and S6, formwork removing and maintaining. The method can effectively prevent the bottom suspended part from leaking slurry during concrete pouring, ensures that the construction method for the thickness of the bottom concrete protection layer of the crash barrier is simple and controllable in quality, prevents the problem of slurry leakage in the pouring process compared with the prior art, can carry out accurate measurement control, and improves the construction efficiency. Therefore, different design requirements can be met.
本发明提供一种地震多发地区高速公路桥梁现浇混凝土防撞护栏施工方法，涉及高速公路防撞护栏设施技术领域，其中现浇混凝土防撞护栏包括钢筋骨架，所述钢筋骨架安装在混凝土桥面板内部上表面，所述钢筋骨架一端穿插设置有预制构件，位于钢筋骨架一端的所述预制构件贴合设置有垫模板木方条，包括如下步骤：S1、测量放样、S2、绑扎钢筋、S3、安装预制止浆构件、S4、立支模板、S5、浇筑混凝土、S6、拆模及护养，通过本方法能有效防止混凝土浇筑时底部悬空部位漏浆，保证防撞护栏底部混凝土保护层厚度施工方法简单质量可控，和现有技术相比防止在浇筑过程中漏浆的问题出现，并且根据本方法可以进行精确的测量控制，随之能够实现不同设计要求。
Construction method for cast-in-place concrete anti-collision guardrail of highway bridge in earthquake-prone area
The invention provides a construction method for a cast-in-place concrete anti-collision guardrail of an expressway bridge in an earthquake-prone area, and relates to the technical field of expressway anti-collision guardrail facilities. The cast-in-place concrete anti-collision guardrail comprises a steel reinforcement framework which is installed on the upper surface of the interior of a concrete bridge deck slab; a prefabricated part is arranged at one end of the steel reinforcement framework in a penetrating mode, a cushion formwork batten strip is arranged on the prefabricated part located at one end of the steel reinforcement framework in an attached mode, and the method comprises the following steps of S1, surveying and lofting, S2, steel bar binding, S3, prefabricated grout stopping part installing, S4, formwork erecting, S5, concrete pouring and S6, formwork removing and maintaining. The method can effectively prevent the bottom suspended part from leaking slurry during concrete pouring, ensures that the construction method for the thickness of the bottom concrete protection layer of the crash barrier is simple and controllable in quality, prevents the problem of slurry leakage in the pouring process compared with the prior art, can carry out accurate measurement control, and improves the construction efficiency. Therefore, different design requirements can be met.
本发明提供一种地震多发地区高速公路桥梁现浇混凝土防撞护栏施工方法，涉及高速公路防撞护栏设施技术领域，其中现浇混凝土防撞护栏包括钢筋骨架，所述钢筋骨架安装在混凝土桥面板内部上表面，所述钢筋骨架一端穿插设置有预制构件，位于钢筋骨架一端的所述预制构件贴合设置有垫模板木方条，包括如下步骤：S1、测量放样、S2、绑扎钢筋、S3、安装预制止浆构件、S4、立支模板、S5、浇筑混凝土、S6、拆模及护养，通过本方法能有效防止混凝土浇筑时底部悬空部位漏浆，保证防撞护栏底部混凝土保护层厚度施工方法简单质量可控，和现有技术相比防止在浇筑过程中漏浆的问题出现，并且根据本方法可以进行精确的测量控制，随之能够实现不同设计要求。
Construction method for cast-in-place concrete anti-collision guardrail of highway bridge in earthquake-prone area
一种地震多发地区高速公路桥梁现浇混凝土防撞护栏施工方法
WANG DAN (author) / HAI DAPENG (author) / ZHENG JIE (author) / KUANG YUECHAO (author) / ZHANG JIAN (author) / WANG XIAOQIANG (author) / JIANG QUAN (author)
2022-02-11
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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