沉管隧道管節(jié)端鋼殼的設(shè)計(jì)與建造研究

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摘 要:本文介紹沉管隧道管節(jié)端鋼殼的結(jié)構(gòu)特點(diǎn),闡述了端鋼殼設(shè)計(jì)與建造精度控制的方法。分析分段劃分、組件劃分、預(yù)埋件分布、合攏方案、焊縫布設(shè)、探傷要求等對端鋼殼制作質(zhì)量的影響,研究對應(yīng)的解決方案。
關(guān)鍵詞:止水設(shè)計(jì);變形控制;精度控制
中圖分類號:U452.2 文獻(xiàn)標(biāo)識碼:A
Research on Design and Construction of Steel Shell at the End of Immersed Tube Tunnel
LI Shuang1, PAN Junfa 1, ZHENG Zhihua 1, XIA Fengyong 2, TIAN Lihua 1
( 1. CSSC Huangpu Wenchong Shipbuilding Co., Ltd., Guangzhou 511462; 2. Shenzhong Channel Management Center, Zhongshan 528400 )
Abstract: This paper introduces the structural characteristics of the end steel shell of immersed tube tunnel, and expounds the design and construction control method of the end steel shell precision control. This paper analyzes and summarizes the influences of segment division, component division, embedded parts distribution, closure scheme, weld layout and flaw detection requirements on the manufacturing quality of end steel shell, and studies the corresponding solutions.
Key words: water stop design; deformation control; precision control
1 前言
沉管隧道管節(jié)端鋼殼作為管節(jié)柔性接頭的關(guān)鍵構(gòu)件,設(shè)置在沉管管節(jié)的兩端,是為安裝GINA和OMEGA止水帶而設(shè)置的鋼構(gòu)件,是重要的管節(jié)永久性構(gòu)件。(剩余5162字)