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隧道建设(中英文) ›› 2019, Vol. 39 ›› Issue (S2): 269-282.DOI: 10.3973/j.issn.2096-4498.2019.S2.035

• 规划与设计 • 上一篇    下一篇

昆明轨道交通岩溶专项勘察手段及方法

彭 都1, 刘 伟1, 赵福玉1, 潘建华1, 彭建兴2   

  1. (1. 中铁二院昆明勘察设计研究院有限责任公司, 云南 昆明 650200) (2. 云南地质工程第二勘察院, 云南 昆明 650218)
  • 收稿日期:2019-07-24 出版日期:2019-12-31 发布日期:2020-04-04
  • 作者简介:彭都(1985—),男,贵州盘州人,2009 年毕业于成都理工大学,勘查技术与工程专业,本科,高级工程师,主要从事岩土工程 勘察工作。 E-mail: 362066880@ qq. com。

Special Investigation Means and Methods of Karst of Kunming Rail Transit

PENG Du1, LIU Wei1, ZHAO Fuyu1, PAN Jianhua1, PENG Jianxing2   

  1. (1. Kunming Survey, Design and Research Institute Co., Ltd. of CREEC, Kunming 650200, Yunnan, China; 2. Yunnan Geological Engineering the Second Investigation Institute, Kunming 650218, Yunnan, China)
  • Received:2019-07-24 Online:2019-12-31 Published:2020-04-04

摘要:

为解决传统勘察手段及方法很难查明岩溶发育特征的难题,以昆明轨道交通4 号线岩溶专项勘察为案例工程,介绍在岩土工程初步勘察、详细勘察的基础上,采用以工程地质钻探及现场物探测试(孔间层析成像(CT)、高密度电法、地质雷达)为主,并结合工程地质测绘、原位测试、钻孔抽水试验和室内土工试验等综合勘察技术手段和方法,查明了线路沿线的岩溶分布、规模及形态等发育特征,并对其做出定量或定性评价,为岩溶专项治理施工图设计、优化设计方案及完善施工组织设计等提供了可靠的地质依据,对类似工程具有一定的指导及参考作用。

关键词: 昆明轨道交通4 号线, 岩溶勘察手段及方法, 工程地质钻探, 物探测试, 孔间层析成像(CT), 高密度电法, 地质雷达

Abstract:

The developing characteristics of karst cannot be cleared by traditional investigation methods. Hence, the investigation work of karst of Kunming Rail Transit Line 4 is taken for example to introduce the preliminary and detailed investigations of geotechnical engineering. And then the engineering geological drilling and field geophysical testing (cross-hole tomography(CT), high density electrical method and geological radar) are taken as the main investigation methods, and engineering geological surveying, in-situ testing, borehole pumping test and indoor geotechnical testing, etc. are adopted as well to learn the distribution, scale and shape of karst along the line. And a quantitative or qualitative evaluation is carried out. The results can provide reliable geological basis for the design of karst special treatment construction drawings, optimization of design schemes and improvement of construction organization design.

Key words: Kunming Rail Transit Line 4, karst survey means and methods, engineering geological drilling, geophysical testing, cross-hole tomography (CT), high density electrical method, geological radar

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