EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS

This paper presents an experimental study conducted on model piled rafts in partially saturated sandy soil. The aim of the experimental program is to study the effect of matric suction on the load carrying capacity of piled rafts embedded within partially saturated sandy soil .The influence of numb...

Full description

Bibliographic Details
Main Authors: Mahmood Rashid Al-Qayssi, Saad Faik Al-Wakel, Ahmed Khairalla Abdlazez Kando
Format: Article
Language:Arabic
Published: Mustansiriyah University/College of Engineering 2018-05-01
Series:Journal of Engineering and Sustainable Development
Subjects:
Online Access:https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/375
_version_ 1811233052169338880
author Mahmood Rashid Al-Qayssi
Saad Faik Al-Wakel
Ahmed Khairalla Abdlazez Kando
author_facet Mahmood Rashid Al-Qayssi
Saad Faik Al-Wakel
Ahmed Khairalla Abdlazez Kando
author_sort Mahmood Rashid Al-Qayssi
collection DOAJ
description This paper presents an experimental study conducted on model piled rafts in partially saturated sandy soil. The aim of the experimental program is to study the effect of matric suction on the load carrying capacity of piled rafts embedded within partially saturated sandy soil .The influence of number of piles are presented and discussed in this study. The piled raft is arranged in different configurations of piles (single, double and triple piled raft with spacing 3.5D c/c) with the same area ratio (raft area to the cross section area of piles) to avoid different contact pressure area and to show the effect of different piles number and its group action. The influence of matric suction (i.e., capillary stresses) in partially saturated zone is typically not taken into account in the conventional design of both shallow and deep foundations so that the present research study the determination and contribution of matric suction towards the load carrying capacity of piled raft. The experimental work consist of 3 models of footing "single piled raft (8.3 x 5) cm, double piled (16.6 x 5) cm and triple piled raft (25 x 5) cm". All these models are loaded and tested under both of fully saturated condition (i.e., matric suction equals to 0kPa) and unsaturated conditions (i.e., matric suction value equals to 6kPa , 8kPa and 10kPa), which are achieved by predetermined lowering of water table.  
first_indexed 2024-04-12T11:14:44Z
format Article
id doaj.art-7b22a9468a314af3a1b618cee7288064
institution Directory Open Access Journal
issn 2520-0917
2520-0925
language Arabic
last_indexed 2024-04-12T11:14:44Z
publishDate 2018-05-01
publisher Mustansiriyah University/College of Engineering
record_format Article
series Journal of Engineering and Sustainable Development
spelling doaj.art-7b22a9468a314af3a1b618cee72880642022-12-22T03:35:32ZaraMustansiriyah University/College of EngineeringJournal of Engineering and Sustainable Development2520-09172520-09252018-05-01223EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILSMahmood Rashid Al-Qayssi0Saad Faik Al-Wakel1Ahmed Khairalla Abdlazez Kando2Building & Construction Engineering Department, University of Technology, Baghdad, IraqBuilding & Construction Engineering Department, University of Technology, Baghdad, IraqBuilding & Construction Engineering Department, University of Technology, Baghdad, Iraq This paper presents an experimental study conducted on model piled rafts in partially saturated sandy soil. The aim of the experimental program is to study the effect of matric suction on the load carrying capacity of piled rafts embedded within partially saturated sandy soil .The influence of number of piles are presented and discussed in this study. The piled raft is arranged in different configurations of piles (single, double and triple piled raft with spacing 3.5D c/c) with the same area ratio (raft area to the cross section area of piles) to avoid different contact pressure area and to show the effect of different piles number and its group action. The influence of matric suction (i.e., capillary stresses) in partially saturated zone is typically not taken into account in the conventional design of both shallow and deep foundations so that the present research study the determination and contribution of matric suction towards the load carrying capacity of piled raft. The experimental work consist of 3 models of footing "single piled raft (8.3 x 5) cm, double piled (16.6 x 5) cm and triple piled raft (25 x 5) cm". All these models are loaded and tested under both of fully saturated condition (i.e., matric suction equals to 0kPa) and unsaturated conditions (i.e., matric suction value equals to 6kPa , 8kPa and 10kPa), which are achieved by predetermined lowering of water table.   https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/375SWCCsoil suctionsandpiled raft foundationpartially saturated soil
spellingShingle Mahmood Rashid Al-Qayssi
Saad Faik Al-Wakel
Ahmed Khairalla Abdlazez Kando
EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
Journal of Engineering and Sustainable Development
SWCC
soil suction
sand
piled raft foundation
partially saturated soil
title EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
title_full EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
title_fullStr EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
title_full_unstemmed EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
title_short EXPERIMENTAL STUDY OF MODEL PILED RAFT FOUNDATION EMBEDDED WITHIN PARTIALLY SATURATED COHESIONLESS SOILS
title_sort experimental study of model piled raft foundation embedded within partially saturated cohesionless soils
topic SWCC
soil suction
sand
piled raft foundation
partially saturated soil
url https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/375
work_keys_str_mv AT mahmoodrashidalqayssi experimentalstudyofmodelpiledraftfoundationembeddedwithinpartiallysaturatedcohesionlesssoils
AT saadfaikalwakel experimentalstudyofmodelpiledraftfoundationembeddedwithinpartiallysaturatedcohesionlesssoils
AT ahmedkhairallaabdlazezkando experimentalstudyofmodelpiledraftfoundationembeddedwithinpartiallysaturatedcohesionlesssoils