摘要
混凝土由于其取材广泛,价格低廉,成为桥梁结构中最广泛采用的建筑材料。但是由于其抗拉强度低,容易开裂,造成桥梁的耐久性及承载能力降低。该文结合高速公路养护实践,针对混凝土桥梁使用过程中常见的裂缝现象,从设计、施工及形成机理等多个方面阐述了产生裂缝的原因及主要影响因素,以便于在实际工作中找出控制裂缝的可行办法,同时针对裂缝维修处理也提出了相应的解决办法。
The concrete has become the construction material most widely used in the bridge structure because of its material widely to be brought and the low cost.However,the wear-resistance and carrying capacity of bridge are reduced owing to low tensile strength and easy cracking.Combined with the maintenance practice of expressway,the article sets forth the crack cause and main influence factors from the aspects of design,construction,forming mechanism and etc.aiming at the crack phenomenon commonly in the course of using the concrete bridge so as to find the feasible method to control the cracks in the practice,and at the same,puts forward the relative solving method for the crack repairing and treatment.
出处
《城市道桥与防洪》
2010年第2期46-48,共3页
Urban Roads Bridges & Flood Control
