混凝土在公路桥梁的冬期施工方案

根据国家现行标准《建筑工程冬期施工规程》(JGJl04)和施工技术方案,该文阐述了混凝土冬期施工的概念。通过110国道大武口过境段的桥梁施工,以及公路桥梁对混凝土的要求,结合混凝土冬期施工的工艺要求,阐述了混凝土的热工计算,以及蓄热法保温,以指导混凝土冬期施工,保证施工质量。

Concrete Construction Scheme of Highway Bridge in Winter

According to the current national standard Construction Regulations of Construction Engineering in Winter(JGJl04) and construction technology scheme,this paper sets forth the concept of concrete construction in winter,the thermal calculation of concrete and the method of thermal insulation by the bridge construction of Dawukou Transit Section in 110 National Highway,the concrete requirement of highway bridge based on the technological requirement of concrete construction in winter so as to guide the concrete construction in winter and ensure the construction quality.