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隧道建设(中英文) ›› 2019, Vol. 39 ›› Issue (8): 1255-1261.DOI: 10.3973/j.issn.2096-4498.2019.08.005

• 研究与探索 • 上一篇    下一篇

适于TBM施工的HSP法实时预报技术设计与实现

卢松, 汪旭, 李苍松, 丁建芳   

  1. (中铁西南科学研究院有限公司, 四川 成都 611731)
  • 收稿日期:2018-10-15 修回日期:2019-01-31 出版日期:2019-08-20 发布日期:2019-09-04
  • 作者简介:卢松(1985—),男,江西九江人,2010年毕业于中国地质大学(武汉),地球物理工程专业,硕士,高级工程师,现从事工程地球物理及隧道超前地质预报技术工作。 Email: 178404719@qq.com。
  • 基金资助:

    中国铁路总公司重大课题(2016G004-A); 中国中铁股份有限公司重大课题(2016-重大-10)

Design and Implementation of HSP Realtime Prediction Technology Suitable for TBM Construction

LU Song, WANG Xu, LI Cangsong, DING Jianfang   

  1. (China Railway Southwest Research Institute Co., Ltd., Chengdu 611731, Sichuan, China)
  • Received:2018-10-15 Revised:2019-01-31 Online:2019-08-20 Published:2019-09-04

摘要:

为实现TBM施工隧道的实时地质预报,以TBM刀盘滚刀破岩震动作为震源的HSP法地质预报技术为基础,通过分析TBM施工工艺与机身结构特点,对HSP系统硬件和软件进行优化设计,使其小型化、自动化和智能化,并搭载于TBM上进行智能控制。在TBM掘进过程中,首先,通过隧道轮廓位置的检波器连续或高频次地采集地震反射波信号; 然后,经系统软件对数据的自动处理,实时获取掌子面前方地层反射特征参数图谱; 其次,通过智能识别技术完成对不良地质反射界面的有效拾取与判识; 最后,实现不良地质的探测。通过对适于TBM施工的HSP法实时预报技术进行优化设计,实时探查前方地层不良地质(体)位置、规模与性质,为TBM的高效施工起到一定的推助作用。

关键词: TBM施工, HSP法实时预报技术, 被动震源, 智能识别

Abstract:

Based on the HSP geological prediction technology which takes the rock breaking vibration of TBM cutterhead disc cutter as the source, the hardware and software of HSP system are optimized for miniaturization, automation and intelligence by analyzing the construction technology and structure characteristics of TBM. The system is carried on TBM for intelligent control. During the TBM tunneling process, firstly, seismic reflection signals are collected continuously or frequently by geophones located in tunnel contours; secondly, the reflection characteristic parameters of stratum ahead of the tunnel face are acquired in real time through automatic processing; thirdly, the effective pickup and identification of unfavorable geological reflection interfaces are completed by intelligent recognition technology; finally, the prediction of unfavorable geological conditions is realized. By optimizing the HSP realtime prediction technology suitable for TBM construction, the position, scale and nature of the unfavorable geology ahead of the tunnel face are investigated in real time, which plays a certain role in promoting the efficient construction of TBM.

Key words: TBM construction, HSP realtime prediction technology, passive vibration source, intelligent recognition

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