| 防撞墙是桥梁的一种安全防护设施 |
| 添加时间：2019/2/18 14:16:32 浏览次数： |
| 防撞墙是桥梁的一种安全防护设施，由于防撞墙位于桥面系，处于桥梁最直观的位置，因而对其几何尺寸、表面光洁度、平整度等各项质量指标要求比较高。但防撞墙下部蹄形部位呈特殊的反弧形，在施工浇筑过程中蹄部前侧面气泡极难排出，拆模后往往出现较为密集的大小气泡，同时因在安装后的悬空板上现浇，给立模带来很大的难度，模板的接缝部位和底部常常由于漏浆出现蜂窝麻面等表面缺陷，这些也一直困扰着施工和监理人员。结合工程实际，本文对防撞墙的质量控制进行浅要分析。 Anti-collision wall is a kind of safety protection facility for bridges. Because the anti-collision wall is located in the bridge deck system and in the most intuitive position of the bridge, it requires high quality indexes such as geometric size, surface finish, smoothness and so on. But the foot-shaped part of the lower part of the anti-collision wall presents a special anti-arc. During the construction and pouring process, the air bubbles on the front side of the foot are extremely difficult to discharge. After removing the mould, there are often more dense bubbles. At the same time, the cast-in-situ hanging plate after installation brings great difficulties to the vertical mould. The surface defects such as honeycomb flax surface often appear at the joint and bottom of the template due to leakage of slurry, which have been troubled all along. Construction and supervision personnel. Combining with the engineering practice, this paper makes a shallow analysis on the quality control of anti-collision wall. |
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