Book•
Foundation analysis and design
01 Jan 1968-
TL;DR: In this paper, Fondation de soutenagement et al. presented a reference record for Dimensionnement Reference Record created on 2004-09-07, modified on 2016-08-08.
Abstract: Keywords: Fondation ; Mur de soutenement ; Pieux ; Capacite portante ; Ancrage ; Dimensionnement Reference Record created on 2004-09-07, modified on 2016-08-08
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01 Jan 2020
TL;DR: In this article, the considerations followed during design of pile foundations supporting offshore structures considering liquefaction of soils are presented, and site amplification studies have been carried out for the selected site using DEEPSOIL software.
Abstract: Prior to construction of important civil engineering structure at sea bank or offshore location, it is essential to perform geotechnical investigations. It helps obtaining various geotechnical parameters used in analysis, design, and construction. It is commonly observed, soils near beaches or offshore locations possess lower bearing capacity, prone to liquefaction and structures exposed to waterfront condition. Hence, if any structure is planned, pile foundations are commonly recommended. In the present paper, geotechnical investigation is presented of a selected site planed for construction of onshore and offshore structures. Further, various engineering soil parameters are evaluated from it. Liquefaction potential of soils evaluated adopting methods available in literatures. In the present paper, the considerations followed during design of pile foundations supporting offshore structures considering liquefaction of soils are presented. Also, site amplification studies have been carried out for the selected site using DEEPSOIL software.
1 citations
01 Jan 2022
1 citations
Journal Article•
03 Oct 2016-World Academy of Science, Engineering and Technology, International Journal of Civil, Environmental, Structural, Construction and Architectural Engineering
TL;DR: In this paper, the bearing capacity of typical c-ɸ soils subjected to loadings were assessed with a view to understand the general stress distribution and settlement behavior of the soils under drained conditions.
Abstract: In this study, typical c-ɸ soils subjected to loadings were assessed with a view to understand the general stress distribution and settlement behaviour of the soils under drained conditions. Numerical estimations of the non-dimensional bearing capacity factors, Nq and Nγ for varied angles of friction in the soil mass were obtained using PLAXIS. Ultimate bearing capacity values over a Ф range of 0-30 degrees were also computed and compared with analytical results obtained from the traditional simplified uncoupled approach of Terzaghi and Meyerhof. Results from the numerical study agree well with theoretical findings. Keywords—Bearing capacity factors, finite element method, safe bearing pressure, structure-soil interaction.
1 citations
Cites background or methods or result from "Foundation analysis and design"
...The PLAXIS curve tends to lie between those of Terzaghi [4] and Meyerhof [5] with their differences increasing with increasingФ....
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...The most common are those by Hensen [2], Vesic [3], Terzaghi [4] and Meyerhof [5]....
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...PLAXIS was used to obtain ultimate bearing capacity values over a Ф range of 0-30 degrees and the results compared with those obtained using Terzaghi [4] and Meyerhof’s [5] factors....
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...Nq Values Numerically generated values of Nq using PLAXIS are herein compared with those of Meyerhof [5], Hansen [2] and Terzarghi’s [4] Fig....
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01 Jan 2021
TL;DR: In this article, a 3D analysis of plain footing is performed by using 3D stress elements and considered the interaction between the soil surface and the bottom of the foundation, that is, the distribution of contact pressure under the plain footing along with the material and geometric nonlinearities.
Abstract: Plain foundations are shallow foundations which are widely used in construction industry. In traditional analysis of plain footing, the finite element analysis is carried out as plain strain problems in different soil models. In the case of 3D problems, the combined effect of nonlinear behaviour of soil and soil-structure interaction under footing is not accounted for. In this paper, the nonlinear analysis of plain footing is performed by using 3D stress elements and considered the interaction between the soil surface and the bottom of the foundation, that is, the distribution of contact pressure under the plain footing along with the material and geometric nonlinearities. A three-dimensional model of the plain footing having dimensions 0.6 m x 0.6 m x 0.05 m, resting on very soft clay, is considered and the rigorous analysis of the same is performed. The finite element model of the plain footing is developed by using the popular package ABAQUS. The validation of the model is performed by making use of the results from an experimental study available in the literature. A parametric study is also carried out to asses the performance of the footing under the variations of four different soil parameters, viz, elastic modulus, Poisson’s ratio, friction angle and cohesion intercept. Although the elastic properties of the soil have no influence on the bearing capacity of the footing, this is demonstrated for purely of academic interests.
1 citations