杭长客专大体积混凝土箱梁裂缝的控制措施

The Control Measures of Mass Concrete Box Girder Cracks in Hang-Chang Dedicated Passenger Line

大体积混凝土的裂缝是一个常见而又难以控制的问题。混凝土裂缝将严重削弱混凝土的整体性和承载力，影响混凝土的耐久性，对工程安全造成很大的危害。本文针对大体积混凝土裂缝的成因，采取相应的控制措施。

Mass concrete crack is a problem which is common and but difficult to control. Cracks wil seriously weaken the integrity and bearing capacity of concrete, and influences the durability of concrete and is a great threat to engineering secu-rity. This article takes the corresponding control measures aim at the cause of cracks.