The Role of Granular Cushion in Load Sharing of Unconnected Piled Rafts in Clayey Soils
The Role of Granular Cushion in Load Sharing of Unconnected Piled Rafts in Clayey Soils

Karam R. Khalifa; Mohammed Y. Fattah; Nahla M. Salim

Volume 39, Issue 12 , December 2021, , Page 1789-1796

https://doi.org/10.30684/etj.v39i12.2076

Abstract
  Over the past few decades,  interest has grown about the role of the piled raft structure in soils. A structural fill cushion separates the piles from the raft in the form of an ...  Read More ...
Earthquake Response of Model Footings on Soft Clays Strengthened by Stone Columns
Earthquake Response of Model Footings on Soft Clays Strengthened by Stone Columns

Ann M. Raheem; Mohammed Y. Fattah; Makki K. M. Al-Recaby

Volume 39, Issue 8 , August 2021, , Page 1216-1222

https://doi.org/10.30684/etj.v39i8.1651

Abstract
  The objective of the present study is to understand the behavior of soft soil strengthened by stone columns under dynamic seismic load. Ordinary and encased stone columns were used ...  Read More ...
Improvement of Soft Clayey Soil by Bio-polymer
Improvement of Soft Clayey Soil by Bio-polymer

Teba A. Abd; Mohammed Y. Fattah; Mohammed F. Aswad

Volume 39, Issue 8 , August 2021, , Page 1301-1306

https://doi.org/10.30684/etj.v39i8.2053

Abstract
  This examination explains the utilization of bio-polymer powder for clayey soil enhancement. The article concentrates around examining the strength attitude of the clayey soils built ...  Read More ...
Strength Improvement of Soft Soil Treated Using Stone Columns
Strength Improvement of Soft Soil Treated Using Stone Columns

Mohammed Y. Fattah; Mohammed A. Al-Neami; Ahmed Shamel Al-Suhaily

Volume 33, 8A , October 2015, , Page 1740-1756

https://doi.org/10.30684/etj.2015.108820

Abstract
  A total number of 12 models tests were carried out on models of soft clays of different values of undrained shear strength varying from 8 to 18 kPa. The tests consist of twelve models ...  Read More ...
Ordinary and Encased Stone Columns with Two Different Relative Densities
Ordinary and Encased Stone Columns with Two Different Relative Densities

Namir K. S. Al-Saoudi; Mohammad M. M. Al-Kaissi; Sarah E. K. Al-Baiaty

Volume 31, Issue 13 , August 2013, , Page 2415-2432

https://doi.org/10.30684/etj.31.13A.2

Abstract
  Stone columns technique is most commonly used in increasing bearing capacity, reduces and controls the compressibility and accelerates the rate of consolidation of soft saturated clay. ...  Read More ...
Improvement of Ballast Embankment Resting on Soft Clay by Reed and Asphalt Layers
Improvement of Ballast Embankment Resting on Soft Clay by Reed and Asphalt Layers

Namir.K.S. AL-Saoudi; Falah H. Rahil; Kawther Y.H. AL-Soudany

Volume 29, Issue 15 , November 2011, , Page 3224-3241

https://doi.org/10.30684/etj.29.15.16

Abstract
  The present paper investigates the possibility of using reed and /or asphalt as stabilizing materials for ballast model embankment overlaying a bed of soft soil. Four model tests were ...  Read More ...
Determination of the Adequate Thickness of Granular Subbase Beneath Foundations
Determination of the Adequate Thickness of Granular Subbase Beneath Foundations

Mohammed Y. Fattah; Falah H. Rahil; Mohammed A. Turki

Volume 29, Issue 9 , June 2011, , Page 1845-1869

https://doi.org/10.30684/etj.29.9.18

Abstract
  Where the native soils have poor structural qualities or are expansive, the soil investigation report may recommend importation of soils better suited to providing a subbase for structures. ...  Read More ...
Soft Clay Soil Improvement Using Stone Columns and Dynamic Compaction Techniques
Soft Clay Soil Improvement Using Stone Columns and Dynamic Compaction Techniques

Hussein H. Karim; Mohammad M. Mahmood; Raida G. Renka

Volume 27, Issue 14 , October 2009, , Page 2546-2565

https://doi.org/10.30684/etj.27.14.3

Abstract
  Soft clays are widely spread in Iraq particularly in its southern Mesopotamian plain. As many sites within these regions may be used for vital projects; an adequate solution has been ...  Read More ...
Laboratory Investigation on Efficiency of Model Stone Column Groups
Laboratory Investigation on Efficiency of Model Stone Column Groups

Kais T. Shlash; Mohammed Y. Fattah; Maki J. Mohammed Al-Waily

Volume 27, Issue 9 , June 2009, , Page 1673-1690

https://doi.org/10.30684/etj.27.9.1

Abstract
  As in piles, the efficiency of a group (Eg) of stone columns is defined as the ratiobetween the capacity of the group to the capacity of each stone column in the groupmultiplied by ...  Read More ...