Concrete filled steel tube arch bridge and arch rib thereof

• Main Authors: PENG YITI, HAN YU, LIN GUANGTAI, WANG YUQING, WEI LEIJUN, BAN GUISHENG, YAN SHENGJIE, LU YI, LI CAIXIA, LING ZHONG, YE ZHIQUAN, FENG CHUNMENG, WANG JIANJUN, QIAN HAIYANG, ZHENG JIAN, WANG FENG
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2018
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model provides an arch rib, including upper steel pipe, lower floor's steel pipe and connection the upper strata steel pipe with connecting piece between lower floor's steel pipe, the upper strata steel pipe reaches it has the concrete all to pour into a mould in lower floor's steel pipe, the upper strata steel pipe with distance between lower floor's steel pipe reduces by encircleingthe direction of foot to the vault gradually, the intensity of the concrete of pouring is less than in the steel pipe of upper strata the intensity of the concrete of pouring in lower floor's steel pipe. This arch rib atress in the use is comparatively even. The utility model provides an adopt the concrete filled steel tube arch bridge of this arch rib. 本实用新型提供种拱肋，包括上层钢管、下层钢管及连接所述上层钢管与所述下层钢管之间的连接件，所述上层钢管及所述下层钢管内均浇注有混凝土，所述上层钢管与所述下层钢管之间的距离由拱脚向拱顶的方向逐渐减小，所述上层钢管内浇注的混凝土的强度小于所述下层钢管内浇注的混凝土的强度。该拱肋在使用过程中受力较为均匀。本实用新型还提供种采用该拱肋的钢管混凝土拱桥。