YXSW–12现场岩体真三轴试验系统及其应用

摘要
图/表
参考文献
相关文章 (0)

全文: PDF (349 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要介绍了长江科学院与长春朝阳试验仪器有限公司联合研制的YXSW–12现场岩体真三轴试验系统，该试验系统具有如下功能：(1) 能够开展现场岩体真三轴试验(?2≠?3)；(2) 可以提供15 MPa稳定围压，最大轴压达80 MPa；(3) 试样尺寸为50 cm×50 cm×100 cm，能表征现场大尺度岩体力学特征；(4) 能实现复杂应力路径伺服控制；(5) 能获取试样变形、破坏全过程曲线。将YXSW–12试验系统用于研究柱状节理玄武岩力学特性，取得良好的效果，成果如下：(1) 获得不同应力水平下岩体各向异性变形参数；(2) 得到原岩样在卸围压路径的峰值强度、屈服强度，获得试样在卸围压路径与加载路径下的残余强度，明确了不同类型强度参数之间的差异；(3) 了解柱状节理玄武岩在三维应力状态下的破坏机制，认识到岩体的破坏形式主要是在柱状节理面基础上的进一步扩展和贯通。YXSW–12试验系统的成功研制，为深入研究工程岩体在高应力、复杂应力路径条件下的变形、强度及破坏特征提供新的手段。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章

关键词 ：岩石力学；YXSW&ndash, 12试验系统；岩体；现场三轴试验

Abstract：An in situ rock masses triaxial test system YXSW–12 was manufactured by the Yangtze River Scientific Research Institute and Chaoyang Test Instruments Co.，Ltd.. The test system had the following advantages：(1) The real triaxial test could be carried out. (2) The surrounding pressure could achieve 15 MPa；and the axial pressure could achieve 80 MPa. (3) The sample size was 50 cm×50 cm×100 cm，which could express the mechanical characteristic of large scale rock. (4) The complex stress routes could be servo-controlled. (5) The whole curve of deforming and breaking processes could be got，and the deformation and strength parameters in one single test could be obtained. The YXSW–12 test system was used to test the mechanical properties of column jointed rock masses，and got excellent results. The test results were shown as follows：(1) The anisotropic deformation parameters under different loading conditions were obtained. (2) The peak strength and yield strength of original simples were obtained by unloading test. The residual strengths of disturbed samples were obtained by loading and unloading test. The differences of strength parameters with different kinds were compared and analyzed. (3) The break mechanism of field rock masses was researched. The test results indicated that the breaking surface was mainly originated from the column joints. The YXSW-12 test system provides a new means for engineers to find out the deformation，strength and breaking properties of deep and complicated rock masses.

Key words： rock mechanics YXSW&ndash 12 test system rock masses in situ triaxial test

收稿日期: 2011-04-02

引用本文:

张宜虎1，周火明1，钟作武1，熊诗湖1，郝庆泽2. YXSW–12现场岩体真三轴试验系统及其应用[J]. 岩石力学与工程学报, 2011, 30(11): 2312-2320.
ZHANG Yihu1，ZHOU Huoming1，ZHONG Zuowu1，XIONG Shihu1，HAO Qingze2. IN SITU ROCK MASSES TRIAXIAL TEST SYSTEM YXSW–12 AND ITS APPLICATION. , 2011, 30(11): 2312-2320.

链接本文:

https://rockmech.whrsm.ac.cn/CN/Y2011/V30/I11/2312

[1]	俞茂宏，YOSHIMINE M，强洪夫，等. 强度理论的发展和展望[J]. 工程力学，2004，21(6)：1-20.(YU Maohong, YOSHIMINE M，QIANG Hongfu，et al. Development and expectation of strength theory[J]. Engineering Mechanics，2004，21(6)：1-20.(in Chinese))
[2]	中国人民共和国行业标准编写组. SL264—2001水利水电工程岩石试验规程[S]. 北京：中国水利水电出版社，2001.(The Professional Standards Compilation Group of People?s Republic of China. SL264—2001 Specifications for rock tests in water conservancy and hydroelectric engineering[S]. Beijing：China Water Power Press，2001.(in Chinese)) " target="_blank">
[3]	董学晟，田野，邬爱清. 水工岩石力学[M]. 北京：中国水利水电出版社，2004：135-143.(DONG Xuesheng，TIAN Ye，WU Aiqing. Rock mechanics in hydraulic engineering[M]. Beijing：China Water Power Press，2004：135-143.(in Chinese)) " target="_blank">
[4]	熊诗湖，周火明. 三峡永久船闸边坡岩体在复杂应力路径下的变形特性[J]. 岩石力学与工程学报，2006，25(增2)：3 636-3 641. (XIONG Shihu，ZHOU Huoming. Deformation properties of rock mass of TGP permanent shiplock slopes under complex stress paths[J]. Chinese Journal of Rock Mechanics and Engineering，2006，25(Supp.2)：3 636-3 641.(in Chinese)) " target="_blank">
[5]	熊诗湖，邬爱清，周火明. 层状软岩力学特性现场试验研究[J]. 地下空间与工程学报，2006，2(6)：887-890.(XIONG Shihu，WU Aiqing，ZHOU Huoming. In-situ test on mechanical characteristics of soft layer rock mass[J]. Chinese Journal of Underground Space and Engineering，2006，2(6)：887-890.(in Chinese)) " target="_blank">
[6]	陈卫忠，谭贤君，吕森鹏，等. 深部软岩大型三轴压缩流变试验及本构模型研究[J]. 岩石力学与工程学报，2009，28(9)：1 735-1 745. (CHEN Weizhong，TAN Xianjun，LU Senpeng，et al. Research on large-scale triaxial compressive rheologocal test of soft rock in depth and its constitutive model[J]. Chinese Journal of Rock Mechanics and Engineering，2009，28(9)：1 735-1 745.(in Chinese)) " target="_blank">
[7]	American Society for Testing and Materials International. Annual Book of ASTM Standards[S]. Philadelphia：American Society for Testing and Materials International，2006. " target="_blank">
[8]	OKADA T，TANI K，OOTSU H，et al. Development of in-situ triaxial test for rock masses[J]. International Journal of Japanese Committee for Rock Mechanics，2006，2(1)：7-12. " target="_blank">
[9]	OKADA T，TANI K，KANATANI M，et al. Development of in-situ triaxial test for inhomogeneous rock mass [J]. Tsuchi-to-Kiso，2006，54(4)：22-24. " target="_blank">
[10]	周火明，孔祥辉. 水利水电工程岩石力学参数取值问题与对策[J]. 长江科学院院报，2006，23(4)：36-40.(ZHOU Huoming，KONG Xianghui. Problems and countermeasures on parameter selection of rock mechanics in water conservancy and hydropower projects[J]. Journal of Yangtze River Scientific Research Institute，2006，23(4)：36-40.(in Chinese))
[11]	周火明，盛谦，熊诗湖，等. 复杂岩体力学参数取值研究[J]. 岩石力学与工程学报，2002，21(增)：2 045-2 048.(ZHOU Huoming，SHENG Qian，XIONG Shihu，et al. Study on selection of mechanical parameters for complicated rock masses[J]. Chinese Journal of Rock Mechanics and Engineering，2002，21(Supp.)：2 045-2 048.(in Chinese)) " target="_blank">