• 中国科学引文数据库(CSCD)来源期刊
  • 中文核心期刊中文科技核心期刊
  • Scopus RCCSE中国核心学术期刊
  • 美国EBSCO数据库 俄罗斯《文摘杂志》
  • 《日本科学技术振兴机构数据库(中国)》
二维码

隧道建设(中英文) ›› 2017, Vol. 37 ›› Issue (S1): 137-142.DOI: 10.3973/j.issn.1672-741X.2017.S1.023

• 施工技术 • 上一篇    下一篇

矮支架在盖挖逆作地铁车站中的应用

肖建辉1, 党如姣1, 喻鲲鹏2   

  1. (1. 中铁城市发展投资集团有限公司, 四川成都 610031; 2. 中铁隧道集团三处有限公司, 广东深圳 510086)
  • 收稿日期:2014-10-30 修回日期:2017-01-10 出版日期:2017-05-20 发布日期:2017-05-27
  • 作者简介:肖建辉(1983—),男,陕西咸阳人,2007年毕业于昆明理工大学,交通工程专业,本科,工程师,主要从事地铁与地下工程的管理与科研工作。Email: 285098038@qq.com。

Application of Short Support to Metro Station Constructed by Cutandcover Topdown Method

XIAO Jianhui1, DANG Rujiao1, YU Kunpeng2   

  1. (1. China Railway City Development and Investment Group Co., Ltd., Chengdu 610031, Sichuan, China; 2. The 3rd Engineering Co., Ltd. of China Railway Tunnel Group, Shenzhen 510086, Guangdong, China)
  • Received:2014-10-30 Revised:2017-01-10 Online:2017-05-20 Published:2017-05-27

摘要:

在盖挖逆作车站施作过程中,水平结构板作为水平临时支撑结构和永久结构,其施工质量直接决定基坑的安全,其外观质量也直接决定车站的整体形象。为了解决水平结构板采用的地模使得混凝土表面缺陷较多,且地模混凝土易与结构混凝土粘结一起不易脱落等问题,现场采用矮支架搭设模板。通过在深圳地铁车公庙枢纽工程中矮支架模板的实际应用,总结得出如下结论: 1)采用矮支架模板可有效保证浇筑混凝土外观质量; 2)模板表面比地模法施工不容易受污染; 3)矮支架搭设过程灵活多变,可有效控制混凝土外观形状; 4)易脱模,安全性高; 5)当地质条件软弱、结构板形式复杂时,矮支架模板更能适应快速施工要求,解决地模法施工难度。

关键词: 深圳地铁, 矮支架, 盖挖逆作法, 地铁车站, 混凝土

Abstract:

During the construction of Metro station constructed by cutandcover topdown method, the safety of foundation pit and the appearance of the Metro station is restricted by construction quality and appearance of horizontal structural plate (as temporary horizontal support structure and permanent structure) respectively. The concrete surface always goes rough due to floor mold used in horizontal structural plate, and the concrete of floor mold and that of structure always bond together. As a result, short support is adopted. The application of short support formwork to Chegongmiao Hub in Shenzhen shows that: 1) The appearance quality of casting concrete can be guaranteed. 2) The surface of formwork is clean than that using floor mold method. 3) The appearance quality of concrete of structure can be guaranteed. 4) Easy mold unloading and safe. 5) The short support formwork shows a quick adaptability to bad geological conditions and complex structural plate shape.

Key words: Shenzhen Metro, short support, cutandcover topdown method, Metro station, concrete

中图分类号: