Outer formwork fixing structure for tunnel open cut tunnel lining concrete pouring

The utility model discloses an outer formwork fixing structure for tunnel open cut tunnel lining concrete pouring, which comprises a lining inner formwork, a lining outer formwork, a lining trolley for supporting the lining inner formwork, an inverted arch, a lining steel reinforcement framework, a...

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Main Authors YU CHAO, ZHANG QIAOLING, LIU GUANHUA, LIU LUGANG, JIA SHAOWEI, ZHENG TAO, JING FENGWEI, ZHU ZHAOKAI, LI HAO, LI LINFENG
Format Patent
LanguageChinese
English
Published 24.05.2024
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses an outer formwork fixing structure for tunnel open cut tunnel lining concrete pouring, which comprises a lining inner formwork, a lining outer formwork, a lining trolley for supporting the lining inner formwork, an inverted arch, a lining steel reinforcement framework, a positioning rib, an outer formwork fixing rib and a steel reinforcement fixing block, the steel reinforcement fixing block is supported on the inverted arch, and a pressing strip via hole is formed in the steel reinforcement fixing block. The outer mold fixing ribs extend in the circumferential direction of the tunnel, the two ends of each outer mold fixing rib are provided with threaded sections, and the threaded sections penetrate through the pressing strip via holes of the two steel bar fixing blocks in the same pair in a one-to-one correspondence mode and then are in threaded connection with the tensioning nuts together, and the lining outer mold is formed by splicing a plurality of outer mold plate strips dist
Bibliography:Application Number: CN202322777926U