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43
Vol

Application of Grouting Intensity Number in Spillway Foundation at Jirau HPP/RO

February 24, 2020
Brazil has one of the largest hydroelectric parks in the world and important ventures for the world ranking have been executed in the country - to cite the most recent, Jirau and Belo Monte Hydraulic Power Plants (HPP). This emphasizes the importance in the continuous study of techniques and theories commonly used, in order to improve the quality of the projects...
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43
Vol

A Laboratory Study of the Collapse Behaviour of a Compacted Sabkha Soil

March 24, 2020
Sabkha soils are saline sediments, which can withstand high loads in dry conditions, but upon wetting, they exhibit significant deformation and low shear strength and hence pose great challenge to engineers. This paper investigates the collapsibility of a compacted sabkha soil of Chott El-Hodna (Algeria) using a modified oedometer, which allows water to percolat...
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43
Vol

Bottom Reinforcement in Braced Excavations: Coupled Analysis and New Method for Basal-Heave Stability Study

May 26, 2020
Soil-cement bottom reinforcement is commonly used in braced excavations in soft soils, so that ground displacements can be reduced and excavation safety against bottom failure increase. However, there is a lack of studies in the literature regarding such reinforced excavations in which the stability against bottom heave is analysed through mechanical-hydraulic c...
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43
Vol

Experimental Study of the Group Effect on the Bearing Capacity of Bored Piles in Sandy Soil

October 01, 2019

A foundation design must meet at least the following basic requirements: a) acceptable deformations under the working conditions; b) adequate safety against soil failure; and c) adequate safety against failure of structural elements. For the pile design, depending upon the spacing adopted among them, a pile may affect the other’s behavior. Thi...

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