高速公路拼宽桥施工安全技术  

Construction Safety Technology of Expressway Widening Bridge

作　　者：郭红军 杨松奇 彭翔 杨亚刚 GUO Hong-jun;YANG Song-qi;PENG Xiang;YANG Ya-gang(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)

机构地区：[1]中国水利水电第十四工程局有限公司,云南昆明650041

出　　处：《云南水力发电》2022年第7期138-140,共3页Yunnan Water Power

摘　　要：针对高速公路桥梁拼宽施工,从减少安全隐患和经济成本的角度出发,结合现场地形地貌情况,对桥梁桩基施工、墩柱施工、T梁架设、老桥凿除、交通管制5个方面,提出减少桥梁拼宽安全隐患方案,由施工过程进行验证,在保证安全的前提下确定方案的适用性、经济性,为施工安全管控做好技术保障。Based on the construction of highway bridge widening,from the point of view of reducing safety hazards and economic costs,and considering the topographic and geomorphic conditions,this paper proposes a scheme to reduce safety hazards of bridge widening from five aspects:bridge pile foundation construction,pier column construction,T-beam erection,old bridge chipping and traffic control.The scheme is verified by the construction process,and its applicability and economy are determined on the premise of ensuring safety,so as to provide technical guarantee for construction safety management and control.

关 键 词：桥梁拼宽 桥下便道 桥台桩基 交通管制 老桥凿除 

分 类 号：TU714.2[建筑科学—建筑技术科学]