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针对装配式板梁桥 ,企口混凝土铰处经行车运营后易开裂的弊病 ,对原企口的联结形式进行了改进。完善后的企口联结提高了抗剪强度 ,经 5年多座桥梁的使用验证 ,证明该企口强度高、不开裂、整体性好。改进后的企口构造合理、工艺简单、操作容易
Aiming at the problems of the prefabricated girder bridge and concrete-to-concrete hinge at the hinge of the vehicle, it is easy to crack after the operation of the vehicle and the connection form between the original and the fouth is improved. After the improvement of the business-mouth joint to improve the shear strength, after more than 5 years the use of bridges verified that the mouth of the mouth of high strength, no cracking, integrity is good. The improved Tong Gou reasonable structure, process is simple, easy to operate