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

The invention discloses an outer formwork fixing method for tunnel open cut tunnel lining concrete pouring. The method comprises the steps that A1, a lining trolley is built at the position where a lining is located, and a lining inner formwork is connected to the lining trolley; a3, lining reinforc...

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Main Authors YU CHAO, YAO LEI, LIU LUGANG, JIA SHAOWEI, ZHENG TAO, JING FENGWEI, ZHU ZHAOKAI, LI HAO, LI LINFENG, SHEN XIANGHAI
Format Patent
LanguageChinese
English
Published 12.01.2024
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The invention discloses an outer formwork fixing method for tunnel open cut tunnel lining concrete pouring. The method comprises the steps that A1, a lining trolley is built at the position where a lining is located, and a lining inner formwork is connected to the lining trolley; a3, lining reinforcement cage binding: the lining reinforcement cage is built, and the lining reinforcement cage is supported on the lining inner mold through inner side concrete thickness positioning blocks, A4, lining outer mold building: outer mold strips are supported on the lining reinforcement cage through outer side concrete thickness positioning blocks, and the lining outer mold is built; the outer mold fixing ribs are pressed on the lining outer mold, the two pairs of outer mold fixing ribs are arranged in the pressing strip via holes in a penetrating mode, the outer mold fixing ribs are tensioned for the first time by locking the tightening nuts, and the pressing nuts are sequentially tightened from the middle of the outer
Bibliography:Application Number: CN202311340825