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隧道建设(中英文) ›› 2012, Vol. 32 ›› Issue (5): 730-734.DOI: 10.3973/j.issn.1672-741X.2012.05.022

• 施工技术 • 上一篇    下一篇

隧道底板下富水溶洞处治技术

冯海暴1,3, 曲俐俐1, 杨鑫普1, 张骏2, 孟令德1, 蒋万德1   

  1. (1. 中交一航局第二工程有限公司, 山东 青岛 266071; 2. 江西省交通设计院, 南昌 330002; 3. 山东大学, 济南 250101)
  • 收稿日期:2012-06-07 修回日期:2012-08-31 出版日期:2012-10-20 发布日期:2012-10-30
  • 作者简介:冯海暴(1980—),男,河北邯郸人,山东大学软件工程及力学计算专业在读硕士,工程师,现从事地下工程及力学研究工作。

Treatment Technologies for Waterrich Karst Cave under Tunnel Floor

FENG Haibao1,3, QU Lili1, YANG Xinpu1, ZHANG Jun2, MENG Lingde1, JIANG Wande1   

  1. (1.The Second Engineering Co., Ltd., of CCCC First Harbor Engineering Co., Ltd., Qingdao 266071, Shandong, China; 2 .Communications Design Institute of Jiangxi Province, Nanchang 330002, Jiangxi, China; 3. Shandong University, Jinan 250101, China)
  • Received:2012-06-07 Revised:2012-08-31 Online:2012-10-20 Published:2012-10-30

摘要: 为了解决南阳一隧道YK37+930底板下大型富水溶洞处治难题,通过超前地质预报、钻探和人工洞下查看等探测技术,采集了溶洞区域的地质资料,进行了溶洞形态描述。对溶洞区域内的水文、地貌、落水洞分布等情况进行了调查研究,依据收集到的资料提出了对隧道底板下富水溶洞采用地表落水洞封堵和洞内拱桥跨越相结合的处理方案,介绍了富水溶洞隧道洞内施工关键点。经过运营监测,证明溶洞的处理方案及施工方法都是正确的,可为今后类似工程提供借鉴。

关键词: 隧道, 落水洞, 底板, 富水溶洞, 拱桥, 监测

Abstract: The geological conditions of the huge waterrich karst cave under the floor at YK37+930 of a tunnel in Nanyang is forecast by means of advance geology prediction, exploration drilling and labor investigation. The hydrology, geomorphology and sinkhole distribution are investigated. Countermeasures, including ground surface sinkhole blocking and arch bridge crossing, are proposed, on basis of the data collected by investigating and studying on the hydrology, topographic feature and sinkhole distribution. The key points of the treatment of the waterrich karst cave are presented. The operation and monitoring of the tunnel show that the treatment technologies for the karst cave are rational and effective. The paper can provide reference for similar projects in the future.

Key words: tunnel, sinkhole, floor, waterrich karst, arch bridge, monitoring