摘要
Abstract
To solve the technical problems of sulfur mortar of large area and high strength such as the mixing proportion, demolition method and crack prevention, the performance of sulfur mortar of temporary bearing in continuous girder bridge is expounded based on engineering examples in this paper. First, the mixing proportion of the high strength sulfur mortar was obtained through experiments, and by using the electro-thermal tube as a conductor in the hot melting test, the fabrication method was improved. Further, by using ANSYS finite element software to simulate sulfur mortar temperature field in the hot melting state, the rational electro-thermal tube spaces were obtained. In addition, by using reasonable construction methods of alternate segments in the application, the cracks were reduced. With above measures, the construction technology of sulfur mortar was improved and the composite bearing with sulfur mortar was successfully constructed. 关键词
连续梁/硫磺砂浆/临时支座/研究/应用Key words
continuous girder/ sulfur mortar/ temporary bearing/ research/ application分类
交通工程
