...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Earth sciences research journal >Classification of cut slopes in weathered meta-sedimentary bedrocks
【24h】

Classification of cut slopes in weathered meta-sedimentary bedrocks

机译：风化的沉积沉积基岩的坡度分类

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In order of abundance, the meta-sedimentary rocks along Pos Selim Highway in Perak state Malaysia comprise quartz mica schist, graphitic schist and quartzite layers. Field investigations revealed that these meta-sedimentary rocks have gradational weathering profile based on differences particularly in textures, hardness, lateral changes in colour, and consistency of material extension. The results from uniaxial compressive strength tests confirmed field observations whereby failure occurred mostly on outcrops having joints almost perpendicular to foliation. From the kinematic analyses, the investigated cut slopes are unstable with possibilities of wedge and planar failures. Application of rock mass classification schemes including Rock Quality Designation (RQD) and Rock Mass Rating (RMR) yielded almost similar poor to good quality ranges for each investigated rock mass. While Slope Mass Rating (SMR) classified the cut slopes from stable to unstable slopes, this study categorized them into one actively unstable, four marginally stable and five stable slopes.
机译：按照丰度顺序，马来西亚霹雳州Pos Selim公路沿线的准沉积岩包括石英云母片岩，石墨片岩和石英岩层。野外调查表明，这些准沉积岩具有等级化的风化剖面，这主要取决于质地，硬度，颜色的侧向变化以及材料延伸的一致性等方面的差异。单轴抗压强度测试的结果证实了现场观察，其中破坏主要发生在接头几乎垂直于叶面的露头上。从运动学分析来看，所研究的坡度不稳定，存在楔形和平面破坏的可能性。包括质量标准（RQD）和质量等级（RMR）在内的岩体分类方案的应用，对于每个所调查的岩体，产生了几乎相似的差到好质量范围。边坡质量评估（SMR）将挖出的坡度从稳定坡度划分为不稳定坡度，但本研究将其划分为一个主动不稳定坡度，四个边际稳定坡度和五个稳定坡度。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号