Steel bar component construction method for large-section open cut tunnel lining: Fid-Bau Portal

Steel bar component construction method for large-section open cut tunnel lining

YAN SHUANGQIAO / WU ZHONGZHENG / YU CHANGWEN / DONG QIFENG / LIU HANG / CHENG MAOLIN / XIAO HAO / CHEN BIN / YU WANQING / LI DONGDONG

Abstract

According to the steel bar component construction method for the large-section open cut tunnel lining, steel bar components are divided, and tunnel steel bars can be decomposed into lining steel bar components and inverted arch steel bar components according to the tunnel construction technology; the steel bar components are manufactured according to the division of the steel bar components, and the inverted arch steel bar components are manually bound in a scattered mode through the binding jig frame; lining steel bar component meshes are assembled and spliced; the inverted arch steel bar component and the lining steel bar component are hoisted, and the lining steel bar component and the inverted arch steel bar component are assembled; the problem that in traditional tunnel lining construction, the steel bar construction period is long is solved.

本申请提供一种用于大断面明挖隧道衬砌的钢筋部品施工方法，对钢筋部品进行划分，根据隧道施工工艺，可将隧道钢筋分解为衬砌钢筋部品和仰拱钢筋部品；根据钢筋部品划分进行钢筋部品制作，利用绑扎胎架对仰拱钢筋部品进行人工散绑；进行衬砌钢筋部品网片组拼；吊装仰拱钢筋部品和衬砌钢筋部品，将衬砌钢筋部品和仰拱钢筋部品进行组装；解决了传统隧道衬砌施工中钢筋施工工期长的问题。

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