[1]张新柳.基于超前预报信息的隧道围岩分级及工程应用研究[J].西安建筑科技大学学报(自然科学版),2016,(05):648-653.[doi:10.15986/j.1006-7930.2016.05.006]
 ZHANG Xinliu.Study on the classification and application of the tunnel s surrounding rock based on geological information forecast[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2016,(05):648-653.[doi:10.15986/j.1006-7930.2016.05.006]
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基于超前预报信息的隧道围岩分级及工程应用研究()
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西安建筑科技大学学报(自然科学版)[ISSN:1006-7930/CN:61-1295/TU]

卷:
期数:
2016年05期
页码:
648-653
栏目:
出版日期:
2016-10-31

文章信息/Info

Title:
Study on the classification and application of the tunnel s surrounding rock based on geological information forecast
文章编号:
1006-7930(2016)05-0648-06
作者:
张新柳12
(1.中国铁建大桥工程局集团有限公司 天津 300300 ;2.西安建筑科技大学土木工程学院 陕西 西安 710055 )
Author(s):
ZHANG Xinliu 12
(1.China Railway Construction Bridge Engineering Bureau Group Co. Ltd, Tianjin 300300, China 2. School of civil engineering, Xi’an Univ . of Arch . & Tech ., Xi’an 710055, China)
关键词:
隧道工程围岩分级地质预报岩石的回弹强度
Keywords:
tunnel engineering surrounding rock classification geological forecast rebound rock strength
分类号:
U452.12
DOI:
10.15986/j.1006-7930.2016.05.006
文献标志码:
A
摘要:
针对目前我国隧道和地下工程围岩分级方法存在的工作量大、耗时长,且围岩分级无法反映掌子面前方岩土体信息等问题,基于隧道和地下工程施工中进行的超前地质预报获得的掌子面前方一定范围内围岩的地质特征信息,以岩石的回弹强度和隧道掌子面岩土体的状态定量评价指标代替岩石的饱和单轴抗压强度及隧道地应力状态评价指标,综合考虑掌子面岩土体节理延展性的定性评价指标,提出了基于超前地质预报信息的隧道和地下工程围岩分级新方法.结合东北某隧道施工期围岩分级的实践,验证了提出的基于超前地质预报信息的隧道和地下工程围岩分级新方法的合理、可行性,指导了该隧道的施工,确保了工程的安全施工.
Abstract:
The conventional surrounding rock classification needs a lot of laboratory tests and field survey, and there is conflict b etween its time consumption and tunnel construction progress demanded. Furthermore, the conventional classification can not reflect the front information of tunnel face because of the limitation of observation. Aiming at the above problems, the paper proposed a new classification method based on the advanced geolog ical information. The method adopted rock rebound strength and tunnel face state instead of uniaxial compression strength of saturated rock and ground stress state of tradition al classification method , and the trace length of joint plane is added as an index. The indices of tunnel face state were obtained by advance geolog ical information. Finally, the classification method had been applied in a tunnel of northeast region of China with ideal effect, whose results guided the tunnel construction successfully.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金项目(51578447;51308443)
收稿日期:2015-05-18 修改稿日期:2016-08-10
作者简介:张新柳(1974),男,高级工程师,主要从事土木工程施工管理方面的工作.E-mail:zhangxinliuhainan@126.com
更新日期/Last Update: 2016-11-24