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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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01 Jan 2017
TL;DR: In this paper, a design chart is developed to estimate the required thickness of a trackbed based on the limits of soil's fatigue strength, shear failure and plastic deformation, and the main feature of the method is the ability to design multilayer trackbed with different combinations of stiffness and thickness of trackbed materials.
Abstract: Design charts are developed to estimate the required thickness of trackbed. The design criteria are based on the limits of soil’s fatigue strength, shear failure and plastic deformation. The main feature of the method is the ability to design multilayered trackbed with different combinations of stiffness and thickness of trackbed materials. It demonstrates a good initial estimation of the required thickness of a trackbed and has been compared with other approaches. The enhancements of track performance are based on the dynamic characteristics of track elements, the use of multilayer trackbed and jointed concrete slab.
8 citations
Cites background or methods from "Foundation analysis and design"
...A total pile ultimate carrying capacity of an axial static load can be generally defined as follows: [12] QQuu = QQbb + QQss = qqbbAApp + �ffssAAss Eq....
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...Bowles (1996)[12] suggested maximum value of dimensionless frequency factor of dynamic foundation ao = 1....
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...[12] QQaa = QQbb SSSSbb + QQss SSSSss Eq....
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...This group of methods comprises Vesic (1977)[142], Coyle & Castello (1981)[24], Su-method (Bowles, 1996)[12], α-method (Tomlinson, 1971)[137], β-method (Burland, 1973)[14] and λ-method (Vijayvergiya & Focht, 1972)[143], as quoted from Salgado & Lee (FHWA, 1999)[121]....
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...53 [12] CCddyynn,ii = CC′ii + 2KK′iiββdd ωω Eq....
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01 Jan 2016
TL;DR: Buried pipelines are tubular structures that are used for transportation of important liquid materials and gas in order to provide safety for human life as discussed by the authors, during an earthquake, imposed loads from so...
Abstract: Buried pipelines are tubular structures that are used for transportation of important liquid materials and gas in order to provide safety for human life. During an earthquake, imposed loads from so ...
8 citations
TL;DR: The authors presented four liquefaction and pile response case histories associated with highway bridges from the April 22, 1991 7.6 magnitude (M) earthquake near Limon, Costa Rica that were...
Abstract: This paper presents four liquefaction and pile response case histories associated with highway bridges from the April 22, 1991 7.6 magnitude (M) earthquake near Limon, Costa Rica that were ...
8 citations
TL;DR: In this paper, the authors present the results of experimental study on model piles to show the effect of pile cap elevation below the ground surface and pile spacing on lateral resistance of single pile and pile groups driven in sand.
Abstract: This paper presents the results of experimental study on model piles to show the effect of pile cap elevation below the ground surface and pile spacing on lateral resistance of single pile and pile groups driven in sand. Thirty five tests were performed on single piles and 2 x 2, 3 x 3, 4 x 4 pile groups at pile spacing equal to 3 D and 5 D with pile cap located at different elevation below the ground surface. Five cases for pile cap elevation were considered: case 1, bottom of pile cap in contact with the ground surface; case 2, top of pile cap at the ground surface elevation; case 3, bottom of pile cap below the ground surface at a depth where D f /t equal 2; case 4, bottom of pile cap below the ground surface at a depth where D f /t equal 3.33; and case 5, bottom of pile cap below the ground surface at a depth where D f /t equal 6.67. In all the studied cases, the pile tips located at the same elevation. The results of the tests show t...
8 citations
Cites background from "Foundation analysis and design"
...The values of 10 mm and 25 mm lateral deflections are considered acceptable deflections at working and ultimate loads, respectively (Bowles 1996; McVay et al. 2000)....
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01 Jan 2020
TL;DR: In this paper, two SSI models are considered for the analysis; first is supplanting soil by spring of equal firmness and second considering the entire soil mass underneath balance, and the investigation is carried on 3D building casing of various story statures bolstered on delicate soil.
Abstract: In the ordinary plan practice, the structures are thought to be settled at their bases despite the fact that they are bolstered on adaptable media (soil) which will change the auxiliary conduct. Along these lines to assess the practical conduct of structure the dirt structure communication impact will be consolidated in the examination. In the present examination, two SSI models are considered for the analysis; first is supplanting soil by spring of equal firmness and second considering the entire soil mass underneath balance. It is conceivable to control these impacts by giving the tie pillar in the balance. The investigation is carried on 3D building casing of various story statures bolstered on delicate soil. The seismic investigation is done utilizing identical static strategy according to IS 1893–2002. The investigation uncovers that the SSI essentially modifies the powers/minutes in the individuals from the structure which is conceivable to control successfully by giving the lash balance.
8 citations