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桥梁结构物中防撞护栏是结构建成后行车过程中惟一可见、影响造型美观的外露工程,工程质量的好坏和几何尺寸的准确与否直接影响工程的整体形象,因而,对施工关键技术的研究是必要的。本文以永宁高速A10标桥梁防撞护栏施工为背景,分析了钢塑模板施工,各工序优化,钢筋定位器安装、混凝土养护采用SJ-120养护剂等关键技术运用。实践证明,永宁高速A10标采用的桥梁防撞护栏关键技术具有较好的推广价值。
The crash barrier in the bridge structure is the only visible project that affects the appearance of the vehicle after the structure is completed. The quality of the project and the accuracy of the geometric dimensions directly affect the overall image of the project. Therefore, Research is necessary. In this paper, A10 standard bridge crash barriers construction as the background, analysis of the steel-plastic template construction, the optimization of the process, installation of steel locator, concrete curing with SJ-120 curing agent and other key technologies. Practice has proved that Yongning A10 standard bridge crash barrier technology used has a good promotion value.