摘要
针对桥梁梁体混凝土在施工和运营期间经常出现有害裂缝的问题，从混凝土组成材料、施工振捣、养生、温度影响、支撑变形、梁体受力与配筋等方面分析了裂缝出现的原因，提出了在设计与施工中避免梁体产生有害裂缝的措施以及针对不同性质的裂缝所采取的处治方法。
The paper analyzes reasons for common cracks at concrete beam body. The concrete proportioning temperature, construction method etc all can cause crack of beambody. The paper presents also the measures in common use which are able to avoid crack in desigh and construction, and the treatments for it.
出处
《北方交通》
2006年第6期117-119,共3页
Northern Communications
关键词
桥梁
裂缝
成因
防治措施
Bridge Concrete carck Reasons Measures for prevention -treatment
