Temporary prestressed PVC (polyvinyl chloride) preformed hole structure for web of segmental beam

• Main Authors: FAN LIZHI, XIA LIANTAO, FU HAIBIN, BAI YUHU, TANG SHIHONG, ZHANG ZEFENG, YU FENG, NING KE, WANG YIDONG, ZHAO QINGXIN
• Format: Patent
• Language: Chinese; English
• Published: 28.01.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model relates to a temporary prestressed PVC (polyvinyl chloride) preformed hole structure of a segmental beam web, which comprises a segmental beam web body, protective steel plates, deformed steel bars and fixing steel anchor blocks, the protective steel plates are arranged on two sides of the segmental beam web body, the fixing steel anchor blocks are arranged on the upper surface of the protective steel plate on one side, and the deformed steel bars are arranged on the other side of the segmental beam web body. The deformed steel bar penetrates through the segmental beam web body, the protection steel plate and the fixing steel anchor block and is fastened through a nut. By optimizing the section beam web PVC preformed hole structure, U-shaped bolts and steel plates are embedded in the section beam web to be changed into PVC preformed holes, by means of the preformed holes and deformed steel bars, the fixed connection mode of a temporary tensioning structure and a beam body is innovated, all s