compressive strength of sedimentary rocks in singapore

In this paper the quantitative Geological Strength Index GSI for Singapore’s sedimentary rock mass is determined by applying four different approaches proposed by Hoek et al Quantification ...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

  • PDF Multiapproach Geological Strength Index GSI

    PDF Multiapproach Geological Strength Index GSI

    In this paper the quantitative Geological Strength Index GSI for Singapore’s sedimentary rock mass is determined by applying four different approaches proposed by Hoek et al Quantification

  • Singapore Geology And Its Impact on Underground

    Singapore Geology And Its Impact on Underground

    o Average uniaxial compressive strength of intact rock is about 190 MPa but could be as high as 400MPa o There are 4 to 5 joint sets ranging from sub horizontal to sub vertical Dominant joint set is sub vertical o Interface between soil and rock is highly variable within short distance and the change in strength of soil to that of rock is

  • Use of alkalisilica reactive sedimentary rock powder as a

    Use of alkalisilica reactive sedimentary rock powder as a

    Nov 30 2017 · The alkalisilica reactive sedimentary rocks excavated from the Jurong rock caverns in Singapore were found to be a valuable resource to produce high strength geopolymer binder The excavated rocks were classified into four types based on their grain size and color

  • Estimating Unconfined Compressive Strength of

    Estimating Unconfined Compressive Strength of

    In this paper three rock types including Sandstone Mudstone and Crystalline Gypsum were part of a laboratory study conducted to develop a dataset for predicting the unconfined compressive strength of UAE intact sedimentary rock specimens Four hundred nineteen rock samples from

  • Rock physical interpretation of the compressive strength

    Rock physical interpretation of the compressive strength

    The model is applied to Swave velocity log data in soft sedimentary rocks and the model predictions are compared with confined compressive strength measured with the triaxial compression test on rock cores sampled in the same borehole as that used for the velocity logging

  • Point Load Test on MetaSedimentary Rocks and

    Point Load Test on MetaSedimentary Rocks and

    Keywords Point load test Metasedimentary rock Uniaxial compressive strength UCS Brazilian tensile strength BTS Conversion factor struction in Singapore The strength of surrounding rock

  • The Mechanical Behavior of Anisotropic Sedimentary Rocks

    The Mechanical Behavior of Anisotropic Sedimentary Rocks

    The compressive strength as a function of confining pressure and sample orientation was determined for three anisotropic sedimentary rocks slate and two types of shales The samples were tested over a confining pressure range of 0 to 40000 psi with pore pressure held constant at atmospheric pressure

  • 12 Commonly Used Building Stones  Their Properties and

    12 Commonly Used Building Stones Their Properties and

    Its compressive strength is about 65 MPa and with a density of 20 to 22 KNm 3 Uses It is used as material for roofing paving columns facing works and ornamental carvings etc

  • Water effects on rock strength and stiffness degradation

    Water effects on rock strength and stiffness degradation

    Sep 30 2015 · Reduction in strength and stiffness in rocks attributed to an increase in water content has been extensively researched on a large variety of rock types over the past decades Due to the considerable variations of texture and lithology the extent of waterweakening effect is highly varied among different rock types spanning from nearly negligible in quartzite to 90 of uniaxial compressive

  • STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

    STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

    Table 2 Mean tensile strength and compressive strength for selected sedimentary rock types after Johnson and Degraff 1988 The behavior of intact rock in the postpeak dom ain is not a true rock property and is partially dependent on the stiffness of the loading system A