Essays about: "peak shear strength"

Showing result 6 - 10 of 10 essays containing the words peak shear strength.

  1. 6. Slope processes and strength of material in silt rich ravines in Säterdalen, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper; Uppsala universitet/Institutionen för geovetenskaper

    Author : Pontus Westrin; Nils Melin; [2015]
    Keywords : Ravine; Silt Ravine; Silt; Cohesion; Shear ring; Shear stress; Angle of repose; LIDAR; Stress; Strength of material; Säterdalen; Raviner; Dalarna; Jord; Silt; Siltravin; Hållfasthet; Kohesion; Lidar;

    Abstract : Slope processes are important to understand if we are to protect fragile environments. Every year slope development in weak soils put nearby infrastructure in risk zones of sliding and ravine erosion takes away field areal from farmers as they grow even larger. READ MORE

  3. 7. Analysis of shear strength of rock joints with PFC2D

    University essay from KTH/Jord- och bergmekanik

    Author : Elisa Lazzari; [2013]
    Keywords : PFC2D; rock joints; peak shear strength; smooth joint contact model; numerical shear test.;

    Abstract : Joints are the main features encountered in rock and sliding of rock blocks on joints is classified as the principal source of instability in underground excavations. In this regard, joints’ peak shear strength is the controlling parameter. However, given the difficulty in estimating it, shear tests are often performed. READ MORE

  4. 8. Controlling parameters for normal and shear behaviour of rock fractures-a study of direct shear test data from SKB

    University essay from KTH/Jord- och bergmekanik

    Author : Hanna Melin; [2012]
    Keywords : open fracture; shear strength; mechanical parameters; friction angle; roughness;

    Abstract : The deep mining and civil engineering industry need to perform rock stability analyses during excavation projects. The stability is mainly controlled by the shear strength of the rock fractures, which are the weakest point of the rock mass. In turn, the shear strength is governed by the mechanical properties of the fractures. READ MORE

  5. 9. Experimental Study of the Shear Strenght of Unfilled and Rough Rock Joints

    University essay from KTH/Jord- och bergmekanik

    Author : Ahmed Elsayed; [2012]
    Keywords : shear; strength; rock; joints; matedness;

    Abstract : Experimental study of the shear strength of unfilled and rough rock joints Ahmed Elsayed, KTH   A series of shear tests have been performed in order to study the influence of matedness on the shear strength of rock joints. The tests have been performed with different degrees of matedness. READ MORE

  6. 10. Fatigue Behaviour of LVL Subjected to Repeated Shear Stresses.

    University essay from Lunds universitet/Avdelningen för Konstruktionsteknik; Lunds universitet/Väg- och vattenbyggnad (CI)

    Author : Magnus Norlin; [1996]
    Keywords : Technology and Engineering;

    Abstract : The fatigue behavior of laminated veneer lumber (Douglas-fir) subjected to shearstress has been studied. The static shear strength of specimens, 37 by 102 by 406 mm was established through a three point bending test over a span of 305 mm. READ MORE