Support seat cushion block special for jacking and heightening of bridge

• Main Authors: BEN FANG, HAN ZHE, WU JUNMING, CAO SHUANGCHENG, CHEN LIN
• Format: Patent
• Language: Chinese; English
• Published: 27.02.2013
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a support seat cushion block special for jacking and heightening of a bridge. The support seat cushion block comprises a concrete cushion block, a connection reinforcing sleeve is connected onto the outer layer of the concrete cushion block in sleeve mode, and an outer connection rod is arranged on the outer wall of the reinforcing sleeve. Due to the fact that the reinforcing sleeve is sleeved on the outer layer of the concrete cushion block, the support seat cushion block increases pressure bearing capability of the concrete cushion block on one hand and protects the concrete cushion block on the other hand. When the concrete cushion block bears pressure, the support seat cushion block avoids crushing of the edge of the concrete or cracking of the cushion block. Simultaneously, the outer connection rod is arranged on the outer wall of the reinforcing sleeve to enable a plurality of special support seat cushion block units to be connected into a whole. The support seat cushion bloc