Effect of Boundary Condition on the Shear Behaviour of Rock Joints in the Direct Shear Test
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-016-1157-z
Abstract: The common method for determination of the mechanical properties of the rock joints is the direct shear test. This paper aims to study the effect of boundary condition on the results of direct shear tests.… read more here.
Keywords: shear test; rock joints; effect; joints direct ... See more keywords
An Approach to Compensate for the Influence of the System Normal Stiffness in CNS Direct Shear Tests
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DOI: 10.1007/s00603-020-02051-0
Abstract: Applying accurate normal load to a specimen in direct shear tests under constant normal stiffness (CNS) is of importance for the quality of the resulting data, which in turn influences the conclusions. However, deficiencies in… read more here.
Keywords: system; shear tests; normal stiffness; system normal ... See more keywords
Measurement of Amorphous Peat Shear Strength in the Direct Shear Box at High Displacement Rates
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DOI: 10.1007/s10706-018-0643-3
Abstract: The ASTM standard provides guidelines for the drained direct shear test (DST) and requires the samples to be sheared at rates estimated from time to failure, $$t_{f} \ge 50t_{50}$$tf≥50t50 (where $$t_{50}$$t50 is the time required… read more here.
Keywords: strength; shear strength; high displacement; displacement rates ... See more keywords
Characterization of a soil-rough structure interface using direct shear tests with varying cyclic amplitude and loading sequences under a large cyclic testing cycle condition
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DOI: 10.1007/s11440-021-01289-4
Abstract: This paper aims to investigate the effects of cyclic shear amplitudes and loading sequences on a soil–structure interface using direct shear tests under a large number of loading cycles. A series of cyclic direct shear… read more here.
Keywords: soil rough; cyclic shear; direct shear; interface ... See more keywords
Direct Shear Behavior of a Mixture of Sand and Tire Chips Using X-ray Computed Tomography and Discrete Element Method
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DOI: 10.1007/s40891-019-0160-3
Abstract: Granular materials such as soils, powders, and other particulate materials have been widely used in geotechnical engineering. In particular, sandy soils are one of the representative ones. Recently, there has been attention on environment-friendly materials… read more here.
Keywords: ray; method; tire chips; direct shear ... See more keywords
Large Scale Direct Shear Experiments to Study Monotonic and Cyclic Behavior of Sand Treated By Polyethylene Terephthalate Strips
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-020-00580-x
Abstract: The continuously increasing production of plastics in the last few decades has taken a heavy toll on the environment. Soil reinforcement with the use of randomly distributed fibers, plastics and glass has recently received a… read more here.
Keywords: sand; polyethylene terephthalate; post cyclic; monotonic tests ... See more keywords
Experimental investigation on mechanical properties of Hybrid Fibre Reinforced Concrete
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DOI: 10.1016/j.conbuildmat.2017.09.098
Abstract: Abstract In order to improve the work behaviour of Plain Concrete (PC) of the shear keys in the immersed tunnel, a series of test programs consisting of direct shear, four points flexure, uniaxial tensile, uniaxial… read more here.
Keywords: hybrid fibre; shear strength; fibre reinforced; mechanical properties ... See more keywords
Direct shear properties of railway ballast mixed with tire derived aggregates: Experimental and numerical investigations
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DOI: 10.1016/j.conbuildmat.2018.11.284
Abstract: Abstract This paper presents results from laboratory direct shear tests and discrete element method (DEM) simulations of railway ballast mixed with different contents of tire derived aggregate (TDA). The stress-strain behavior of the ballast-TDA mix… read more here.
Keywords: railway ballast; direct shear; tda; ballast tda ... See more keywords
Direct shear behavior of sulfate-exposed shotcrete: Experimental and modelling research
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DOI: 10.1016/j.conbuildmat.2019.03.229
Abstract: Abstract Direct shear tests were carried out on sulfate-exposed and non-exposed shotcrete specimens to study the shear mechanical behaviors, taking into account the effects of normal stress and exposure time. The shotcrete mixtures with different… read more here.
Keywords: shotcrete specimens; sulfate exposed; direct shear; normal stress ... See more keywords
Experimental investigation on the behavior of fine-grained soils containing waste rubber tires under repeated and static loading using direct shear apparatus
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DOI: 10.1016/j.conbuildmat.2019.06.159
Abstract: Abstract The increase of rubber wastes, especially in the form of used tires has become a serious environmental challenge. In this research, the effect of granular rubber particles (GRP) as an additive (up to 50%)… read more here.
Keywords: using direct; loading using; rubber; shear apparatus ... See more keywords
Assessment of non-linear rock strength parameters for the estimation of pipe-jacking forces. Part 1. Direct shear testing and backanalysis
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2018.07.013
Abstract: Abstract A method of backanalysis was used for the assessment of pipe-jacking forces from three pipe-jacking drives in laminated shale and interbedded lithological units of metagraywacke, siltstone, greywacke and phyllite found in the highly weathered… read more here.
Keywords: assessment; jacking forces; pipe jacking; direct shear ... See more keywords