匝道桥预应力箱梁现浇施工技术

该文以二广高速公路四会西互通立交匝道桥工程中箱形梁施工实践为例，从施工工艺的支架工程、模板工程、钢筋工程、混凝土工程及预应力工程等方面介绍了匝道桥预应力连续箱梁的现浇施工工艺特点。

Cast-in-site Construction Technique of Prestressed Box Beam of Ramp

Taking the box beam construction practice of Guangdong and Guangxi Expressway Sihuixi Interchange Ramp Project as an example,the article introduces the technological characteristics of the cast-in-site construction of the prestressed continuous box beam of the ramp from the aspects of the bracket works,formworks,steel bar works,concrete works and prestressing works of the construction technology.