Experimental studies of scale effects on shear strength, and deformation of rock joints [PDF]
The effect of scale on shear strength is studied by performing direct shear tests on different sized samples of large joints. A rubber moulding system is used to obtain impressions of the roughness from a variety of natural joint surfaces.
Bandis, Stavros
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Enhancing Shear Strength of Bonding Materials Used for Asphalt Concrete and Composite Pavement Layers [PDF]
A tack coat is a thin cut-back cement or asphalt emulsion coating applied on an existing non-absorbent pavement. A good bonding between the asphalt and concrete is necessary to provide sufficient structural strength.
Falih Teeba, Abed Alaa H.
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Mechanical test and action mechanism of interface between gravel soil and concrete
The mechanical properties of the gravel soil-concrete structure interface are one of the important issues in academia and engineering. In this research, gravel soil samples were collected from the Three Gorges Reservoir region to carry out simple shear ...
Peng Du +4 more
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A comparative study between the NGI direct simple shear apparatus and the Mikasa direct shear apparatus [PDF]
A comparative study of the NGI Direct Simple Shear Test (DSST) and the Mikasa Direct Shear Test (DST) is reported. Samples from Norwegian Drammen clay and Japanese Ariake clay were subjected to both types of test.
Hanzawa, Hideo +9 more
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Freezing–thawing action has a great impact on the physical and mechanical deterioration processes of rock materials in cold areas where environmental changes are very complicated.
Shuailong Lian +5 more
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Strength Characteristics of Nonpenetrating Joint Rock Mass under Different Shear Conditions
The mechanical property of jointed rock mass is an important factor to be considered in the analysis, evaluation, and design of actual rock engineering. The existence of joints threatens the stability and safety of underground engineering projects built ...
Qingzhi Chen, Yuanming Liu, Shaoyun Pu
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Development of a direct simple shear apparatus for peat [PDF]
This paper discusses the design and development of a new direct simple shear (DSS) apparatus for testing peat soils. The apparatus has been designed to test peat at low effective stresses, representative of its in-situ condition and allow the ...
Boylan, Noel, Long, Michael (Michael M.)
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Determining characteristic sand shear parameters of strength via a direct shear test
The article considers the peculiarities of determining quartz sand shear strength according to the Mohr-Coulomb strength criterion, via a direct shear test and that of factors influencing the characteristic angle of internal friction and cohesion values ...
Šarūna Skuodis +3 more
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Investigation of Shear Strength of Subbase-Subgrade Interface with Geosynthetics Reinforcement Utilizing A Large-Scale Direct Shear Test [PDF]
Geosynthetics are being used to strengthen road pavement. Geosynthetic inclusions improve pavement carrying capacity, maintenance costs, highway service life, reflective cracks, and undesirable large lateral and vertical deformations. The primary purpose
Banyhussan Qais S. +2 more
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Normalisation of shear test data for rate-independent compressible fabrics [PDF]
This article describes a method of using both picture frame (PF) and bias extension (BE) tests together to characterize accurately the trellis shearing resistance of engineering fabrics under low in-plane tension conditions.
A. C. Long +8 more
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