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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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TL;DR: In this article, the bearing capacity of unsaturated and saturated soils is estimated using plate load tests and standard penetration tests. But the contribution of matric suction toward the bearing capacities of uns saturated sands is not estimated from these tests, however, the results of the study suggest that the proposed relationships can be used in the estimation of bearing capacity for both saturated and unsaturated sands.
Abstract: The in situ bearing capacity of sandy soils is determined or estimated using plate load tests (PLTs), cone penetration tests (CPTs), or standard penetration tests (SPTs). The contribution of matric suction toward the bearing capacity of unsaturated sands is, however, not estimated from these tests. In this paper, SPTs and PLTs were conducted in situ on sandy soil in Ottawa, Canada under saturated and unsaturated conditions to demonstrate the contribution of matric suction on the bearing capacity results. In addition, relationships are proposed to estimate the bearing capacity of sands under both saturated and unsaturated conditions from the SPTs results. Comparisons are provided between the measured and estimated bearing capacity values for three different sands from the literature using the proposed relationships. The results of the study suggest that the proposed relationships can be used in the estimation of the bearing capacity of both saturated and unsaturated sands.
4 citations
01 Jun 1999
4 citations
Cites background from "Foundation analysis and design"
...”([1]) The pavements tend to smooth out the roughness in the subgrade that is caused by differential changes in moisture....
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...The bulk of rainwater penetration into cracks moves directly to the tips of cracks instead of being absorbed on the crack walls.([1]) Evapotranspiration removes soil water from the cracks within the soil on the side of the pavement and under the edge of the pavement....
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...Soil evaporation might affect only the soil within the upper foot of the soil deposit.([1]) Plant transpiration is a much more effective mechanism....
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31 Dec 2017
TL;DR: This chapter discusses icons, Symbols, and Symbols: Foundations of Symbols and Applications for Computing and Design.
Abstract: ................................................................................................................................. iii LIST OF FIGURES ...................................................................................................................... ix LIST OF TABLES ....................................................................................................................... xii LIST OF SYMBOLS .................................................................................................................. xiv ABBREVIATIONS AND ACRONYMS .................................................................................. xvii ACKNOWLEDGEMENTS ......................................................................................................... xx CHAPTER
4 citations
Cites background or methods from "Foundation analysis and design"
...Influence factors are tabulated in Bowles (1996) and were based on Taylor (1967) for rigid foundations and Tettinek & Matl (1953) for flexible foundation, Figure 2.7....
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...…2001): 2 2 1tan( ) M I EB L (2.13) where E is the elastic modulus of the subgrade soils, M is the applied moment at the S3 load level, L is footing length, B is footing width and I is a shape and rigidity influence factor that is a function of foundation aspect ratio, Figure 2.7 (Bowles, 1996)....
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01 Feb 2011
TL;DR: In this article, the authors developed a new methodology to obtain a p-y criterion using in-situ pressuremeter technique that can be used to analyze the response of drilled shafts socketed into transversely isotropic rock.
Abstract: This project was aimed at: (1) evaluating and developing design methods for laterally loaded drilled shafts socketed in anisotropic rock, (2) developing a p-y criterion that can be used to analyze the response of drilled shaft socketed into transversely isotropic rock or jointed rock, (3) developing a new methodology for determining the five elastic constants of a transversely isotropic rock medium using the in-situ pressuremeter test device, (4) developing a new equation for estimating the transverse isotropic rock shear modulus (G’) using other elastic constants, and (5) developing a new methodology to obtain a p-y criterion using in-situ pressuremeter technique that can be used to analyze the response of drilled shaft socketed into transversely isotropic rock. The hyperbolic p-y criterion for rock proposed in SJN 134137 based on the field test data and extensive theoretical work was further validated using additional load test data. Validation of the proposed p-y criterion of rock was carried out by comparing the predictions of shaft deflections and bending moments using the hyperbolic p-y criterion against actual lateral load tests results. Based on the findings of this study, a complete solution for the design of drilled shafts socketed in anisotropic rock or intermediate geomaterials under lateral loads is provided.
4 citations