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investigation of the behavior of piled raft foundations in

Investigation of the Behavior of Piled Raft Foundations in ...

Investigation of the Behavior of Piled Raft Foundations in Sand by Numerical Modeling E.Y. N Oh, Q. M. Bui, C. Surarak and A. S. Balasurbamaniam Griffith School of Engineering, Griffith University Gold Coast Campus, Queensland, Australia ABSTRACT This paper is on 3-D analysis of piled raft foundations on sand. The

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Research Paper INVESTIGATION OF THE BEHAVIOR OF

piled raft application in to high rise buildings and bridge foundations (Horikosh et al., 1996, In order to understand the load-settlement behavior and load sharing of piled raft resting on sand soil, experimental tests on model piled raft were conducted. The parameter studied were the influence of raft size and number of piles.

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(PDF) Experimental Investigation on Behavior of Piled-Raft ...

An experimental program is conducted on model piled rafts in sand soil. The experimental program is aimed to investigate the behavior of raft on settlement reducing piles.

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Evaluation of Piled Raft Foundations Behavior with ...

Evaluation of Piled Raft Foundations Behavior with Different Dimensions of Piles. Journal of Applied Sciences, 10: 1320-1325. In a piled raft foundation, the total load of the superstructure is partly carried out by piles through skin friction and the remaining load is taken by raft through contact with the soil.

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"Behavior of Piled Raft Foundation in Partially Saturated ...

Apr 19, 2019  Current foundation design practice considers conventional pile group foundation when simpler and rather economical raft foundations do not meet one of the design criteria. However, design requirements could be met by incorporating a reduced number of piles with the raft. Piled Raft foundation (PRF) is a composite foundation in which, the piles and the raft contribute to the total

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An Investigation of Factors Affecting the Design of Model ...

Jul 15, 2019  TY - JOUR T1 - An Investigation of Factors Affecting the Design of Model Piled Raft Foundations in Laboratory AU - Rahim Kağan Akbulut , Özcan Tan Y1 - 2019 PY - 2019 N1 - DO - T2 - International Journal of Innovative Research and Reviews JF - Journal JO - JOR SP - 35 EP - 41 VL - 3 IS - 1 SN - -2636-8919 M3 - UR - Y2 - 0019 ER -

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Behavior of Piled Raft Foundation on Heterogeneous Clay ...

"An experimental investigation on behavior of piled raft foundation", International Journal of Geomatics and Geosciences, 5(2), 300. Phoon, K.K. and Kulhawy, F.H. (1999). "Characterization of geotechnical variability", Canadian Geotechnical Journal , 36(4), 612-624.

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Load Sharing of Piled-Raft Foundations in Sand Subjected ...

11. El-Mossallamy, Y. 2002. Innovative Application of Piled Raft Foundation in stiff and soft subsoil. Deep Foundations 2002, ASCE, pp. 426-440. 12. El-Mossallamy, Y., Lutz, B. and Richter, T. 2006. Innovative Application of Piled Raft Foundation to Optimize the Design of High-Rise Buildings and Bridge Foundations.

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Seismic behavior of piled raft with ground improvement ...

Oct 01, 2012  The static and seismic behavior of a piled raft foundation, supporting a 12-story base-isolated building in Tokyo, is investigated by monitoring the soil–foundation–structure system. Since the building is located on loose silty sand, underlain by soft cohesive soil, a piled raft with grid-form deep cement mixing walls was employed to cope ...

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Condition Diagnosis of Long-Span Bridge Pile Foundations ...

Nov 12, 2021  Sheil, B. Numerical simulations of the reuse of piled raft foundations in clay. Acta Geotech. 2017, 12, 1047–1059. [Google Scholar] Sharafkhah, M.; Shooshpasha, I. Physical modeling of behaviors of cast-in-place concrete piled raft compared to free-standing pile group in sand. J. Rock Mech. Geotech. Eng. 2018, 10, 703–716.

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Experimental and Numerical Investigation for Vertical ...

Mar 25, 2021  Ateş B (2019) Investigation of behavior of piled raft foundations at sandy soil by experimental and numerical methods. Ph.D. Thesis, Karadeniz Technical University, the Graduate School of Natural and Applied Sciences, Trabzon, pp 99–109. Bajad SP, Sahu RB (2008) An experimental study on the behaviour of vertically loaded piled raft on soft clay.

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3D-Analysis of Soil-Foundation-Structure Interaction in ...

The analysis of building structure in contact with soil involves an interactive process of stresses and strains developed within the structure and the soil field. The response of Piled-Raft Foundation system to the structure is very challenging because there is an important interplay between the component of building structure and the soil field.

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Investigation of the Behavior of Piled Raft Foundations In ...

Jul 21, 2009  This paper is on 3-D analysis of piled raft foundations on sand. The numerical analysis was carried out with three typical load intensities of the serviceability load. Further, extensive parametric studies were carried out with the variables pile spacing, number of piles, pile diameter, raft dimension ratio, and raft thickness.

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NUMERICAL INVESTIGATION ON THE SETTLEMENT

Figure 2.4 Influence of pile length variation on load settlement behavior of piled raft foundation (0.5 m raft with 9 piles subjected to 12 MN load)(Balakumar, kalaiarasi, Ilamparuthi, 2006).18 Figure 2.5 Effects of Load Type and Number of Piles on Load Settlement of piled raft

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An Experimental Investigation on Interference of Piled ...

An Experimental Investigation on Interference of Piled Rafts in Soft Soil S.P.Bajad 1* R ... the interference effect on the vertical load-deformation behavior of a number of equally spaced rafts and piled rafts, placed in the artificially consolidated soft clay was ... further prominent with piled raft foundation. In contrast to decrease in the ...

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Behavior of Piled Raft Foundation on Heterogeneous Clay ...

Behavior of Piled Raft Foundation on Heterogeneous Clay Deposits Using Random Field Theory. In the case of problematic soils and tall buildings where the design requirements cannot be satisfied merely by a raft foundation, it is of common practice to improve the raft performance by adding a number of piles so that the ultimate load capacity and ...

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Behavior of pile rafts with raft size, number of piles and ...

Mar 25, 2020  The load-carrying ability of raft support is observed to develop with the improvement in the size of the raft. In this study, the finite element method is adopted through finite element package (ABAQUS 6.10) to evaluate the effect of many parameters on the load-settlement behavior of the raft and piled raft foundation in the clay soil.

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AN EXPERIMENTAL INVESTIGATION ON BEHAVIOUR OF

of the experimental program is to study the behavior of piled raft foundation system subjected to vertical load. The experimental program includes the model test on un piled raft, raft supported by single pile, two, three, four and five pile and pile groups. The model piles used in this test are hollow steel rods of diameter 26 mm

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Load Sharing of Piled-Raft Foundations in Sand Subjected ...

11. El-Mossallamy, Y. 2002. Innovative Application of Piled Raft Foundation in stiff and soft subsoil. Deep Foundations 2002, ASCE, pp. 426-440. 12. El-Mossallamy, Y., Lutz, B. and Richter, T. 2006. Innovative Application of Piled Raft Foundation to Optimize the Design of High-Rise Buildings and Bridge Foundations.

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Foundations for Tall Buildings on Alluvial Deposits ...

The piled-raft concept ... investigation and use of advanced in-situ tests to assess geotechnical parameters, ... Foundation behavior is governed by the following aspects: - strata characteristics, - foundation type, - magnitude of the load, and - distribution of loads.

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3D FEM Based Settlement Analysis (II) - Piled Raft Foundation

May 26, 2021  In part II of this online seminar that was hosted on May 6th, 2021, Dr. Anil Yunatci (GeoDestek) elaborates on the Modelling of Deep Foundation Elements with...

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‪Abbasali TaghaviGhalesari‬ - ‪Google Scholar‬

Key engineering materials 723, 795-800. , 2017. 12. 2017. A procedure to predict the precise seismic response of arch dams in time domain using boundary element formulation. A TaghaviGhalesari, M Isari, R Tarinejad, A Sohrabi-Bidar. Journal of Rock Mechanics and Geotechnical Engineering 11 (4), 790-803.

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Investigation of Seismic Behavior of Clay-Pile Using ...

Jul 25, 2020  In geotechnical mediums where the bearing capacity of upper layers of soil is not suitable for use of the shallow foundations, piles are usually used as deep foundations to transfer loads to the stronger lower layers. Here, the seismic behavior of single pile and pile group constructed in saturated soft kaolin clay under three different earthquakes using Abacus 3D software is investigated.

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Deep Foundation Pit Excavations Adjacent to Disconnected ...

Foundation pit excavation engineering is an old subject full of decision making. Yet, it still deserves further research due to the associated high failure cost and the complexity of the geological conditions and/or the surrounding existing infrastructure around it. This article overviews the risk control practice of foundation pit excavation projects in close proximity to existing ...

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Investigation of the Behavior of Piled Raft Foundations In ...

Jul 21, 2009  This paper is on 3-D analysis of piled raft foundations on sand. The numerical analysis was carried out with three typical load intensities of the serviceability load. Further, extensive parametric studies were carried out with the variables pile spacing, number of piles, pile diameter, raft dimension ratio, and raft thickness.

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Behavior of Piled Raft Foundation in Soft Clay Layer with ...

The performance behavior of piled raft foundation in clayey soil and layered soil is carried out using laboratory experimental and then verified by 2D PLAXIS. There is a significant relationship between the decreases in settlement of the piled raft due to hydrostatic uplift.

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Investigation of the Behavior of Piled Raft Foundations in ...

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Piled Raft Foundation - ELPLA

Figure 8-2 Shanghai Tower Foundation system and vertical zoning of the Tower (Zhao, X. and Liu, S. (2017))8.2 Analysis of the piled raft. Using the available data and results of the Shanghai piled raft, which have been discussed in detail in the references, the nonlinear analysis of piled raft in ELPLA according to El Gendy et al. (2006) and El Gendy (2007) is evaluated and verified using the ...

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Load Sharing of Piled-Raft Foundations in Sand Subjected ...

11. El-Mossallamy, Y. 2002. Innovative Application of Piled Raft Foundation in stiff and soft subsoil. Deep Foundations 2002, ASCE, pp. 426-440. 12. El-Mossallamy, Y., Lutz, B. and Richter, T. 2006. Innovative Application of Piled Raft Foundation to Optimize the Design of High-Rise Buildings and Bridge Foundations.

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Performance of Existing Piled Raft and Pile Group due to ...

Apr 04, 2021  After rising g, an applied axial load was supported by 18% by the raft and 82% by the piles in the piled raft foundation prior to excavation. Owing to stress release and soil movement caused by the 8-m-deep excavation, the pile head load increased by 21% and 3% for the pile closer to the excavation for the piled raft and pile group foundations ...

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Seminar piled raft_foundation - SlideShare

Mar 07, 2014  Design concepts of piled raft are as follows; The main role of piles in piled raft foundation are for settlement reduction. So the capacity of pile should be fully mobilized to satisfy the purpose and exact settlement should be calculated. To analyze the piled raft behavior, complex soil-structure interaction should be considered.

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Foundations for Tall Buildings on Alluvial Deposits ...

The piled-raft concept ... investigation and use of advanced in-situ tests to assess geotechnical parameters, ... Foundation behavior is governed by the following aspects: - strata characteristics, - foundation type, - magnitude of the load, and - distribution of loads.

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(PDF) ISSMGE Combined Pile-Raft Foundation Guideline ...

Clancy, P. and Randolph, M.F. (1993), An approximate analysis procedure for piled raft foundations. International Journal for Numerical and Analytical Methods in Geomechanics, 17(12), 849-869. Cooke, R.W. (1986), Piled raft foundations on stiff clays—a contribution to

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Pile, raft mat foundations - SlideShare

Jan 02, 2017  Pile, raft mat foundations 1. rd th 23 - 24 Jan 2017th st 20 - 21 Jan 2017 Mumbai New Delhi since: 1980 training the professionals R PRF 2017 Design, Construction Analysis of Foundations PILE RAFT / MAT FOUNDATIONS New Concepts of Foundations Finite Element Method (FEM) Course Facilitator M.Tech. Structural Engineering I.I.T. Kanpur 1975 Design Engineer for 3 Nuclear

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An Experimental Investigation on Interference of Piled ...

An Experimental Investigation on Interference of Piled Rafts in Soft Soil By using small scale model tests, the interference effect on the vertical load-deformation behavior of a number of equally spaced rafts and piled rafts, placed in the artificially consolidated soft clay was investigated.

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Optimization Method for Irregular Piled Raft Foundation on ...

Important buildings such as nuclear power plants always require stricter control of differential settlement than ordinary buildings. Therefore, it is necessary to provide an optimized design for the piled raft foundations of important buildings. In this paper, a new optimization method (using different pile diameters and different pile spacing) was proposed for the design of piled raft ...

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