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43
Vol

Pullout Testing of Soil Nails in Gneissic Residual Soil

October 01, 2019
Soil nailing has proved to be an efficient and cost-effective stabilization technique, consisting in installing passive reinforcement in the soil that provides the material with tensile and shear strengths. The fundamental parameter in analyzing the mechanical behavior of this type of structure is the frictional resistance of the soil-nail interface, denominated...
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43
Vol

Influence of Weathering and Correlations Between Wave Propagation Velocity and Durability with Physical and Mechanical Parameters in Phyllites

April 22, 2020
Ultrasonic longitudinal wave velocity (Vp) and durability are characteristics largely determined in geotechnical evaluations. These properties are useful in the analysis of weathered rocks because they usually have good relationships with physical and mechanical properties of rocks. Additionally, the tests to obtain these parameters are easy to perform. However,...
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43
Vol

Sustainable Remediation: A New Way of Thinking the Contaminated Sites Management

January 29, 2020

Within the evolution in the remediation field, the traditional approach to contaminated sites management, based almost exclusively on the risk, time, cost, and decontamination efficiency, is gradually being replaced by the concepts of sustainability. The most recent focus is the incorporation of the term “sustainable remediation (SR)&rdquo...

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43
Vol

Tunnel Misalignment with Geostatic Principal Stress Directions in Anisotropic Rock Masses

February 13, 2020
Rock masses may present pronounced stress anisotropy, and so it is likely that a tunnel is misaligned with the geostatic principal stress directions. As a consequence, anti-symmetric axial displacements and axial shear stresses are induced around the tunnel due to the presence of far-field axial shear stresses. Limited research has been conducted on the effects ...
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