Large steel pipe truss used for cover beam cast-in-place construction and construction method

• Main Authors: DAI TINGRONG, OU LIANGLIANG, MEI KAIZHI, GUI JUN, HUANG ZHAN'EN, XIE HUATONG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2018
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention relates to a large steel pipe truss used for cover beam cast-in-place construction and a construction method. Two pieces of truss bodies are located on the two sides of a pier upright column and fixed to the pier upright column, and each truss body is composed of an upright rod, an upper chord, a lower chord, a large oblique rod and a web rod. Each upright rod is composed of an upperupright rod and a lower upright rod. The lower upright rod is a double-spliced steel pipe placed on a bearing table surface. The upper end of the double-spliced steel pipe is fixedly connected with the corresponding upper upright rod through the corresponding lower chord. The top of the upper upright rod is fixedly connected with the corresponding upper chord. Each large oblique rod is connectedbetween the corresponding upper chord and the corresponding lower chord rod. Each web rod is connected between the corresponding upper chord and the corresponding large oblique rod. By means of the large steel pipe truss, the