Strength and deformation properties of Dunkirk marine sediments solidified with cement, lime and fly ash

Wang, Dongxing; Abriak, N.-E.; Zentar, R.

doi:10.1016/j.enggeo.2013.09.007

Cited by 151 publications

(56 citation statements)

References 17 publications

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“…Therefore, it exists potentially a quantitative correlation between Rc and secant modulus (E 50 ). In terms of this relationship, many authors (Heilli 2000;Tang et al 2000;Zhu et al 2005;Qiao et al, 2007;Chen et al 2010;Wei et al 2011;Wang et al 2013) have obtained some valuable conclusions. The present results are showed in Fig.…”

Section: Influence Of Cement On Elastic Modulus Ementioning

confidence: 94%

“…Concerning the study of deformation modulus of the treated soils, several studies have been made (Terashi et al 1977;Walker, 1995;Shenbaga and Havanagin 1999;Heilli 2000;Tang et al 2000;Bruce 2001;Topolnicki 2004;Zhu et al 2005;Qiao et al 2007;Sariosseiri and Muhunthan 2009;Chen et al 2010;Wei et al (2011);Wang et al 2013). From this work, there is a relationship between the modulus of deformation E 50 (which is the modulus at 50 % of the maximum applied load) and the compressive strength, Rc.…”

Section: Introductionmentioning

confidence: 98%

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Effect of Treatment with Cement on the Mechanical Characteristics of Silt from Telagh Region of Sidi Belabes, Algeria

2015

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In Algeria the use of soil treated with hydraulic binder is not responded because the very few sites already completed have not experienced feedback to confront the knowledge on the subject. Most soils in their natural condition lack the strength, dimensional stability and durability required for building. These inherent deficiencies may be overcomed through a process of stabilization by mechanical compaction and addition to the soil matrix of chemical binders, such as cement or lime. High water content and low workability of local soils have often caused difficulties for highway construction projects. The addition of a few percentages by weight of cement has shown its effectiveness towards better control of workability during compaction and significant cost savings over removal and replacement of backfill material in some projects (Sariosseiri and Muhunthan in Eng Geol 104: [119][120][121][122][123][124][125] 2009). This paper is focused on understanding the compaction characteristics and mechanical properties of compacted cement stabilised soil mixtures. We opted to base our work on a laboratory study, conducting soil-cement mixtures.A soil area Telagh was treated with cement varying each time the quantities of cement and water, in order to observe the influence of dosage and the amount of water present in the mixture on compressive strength and the stiffness of the material. In this study, natural silty soil extracted from the locality Guetna of region ''Telagh'' was characterized and mixed with cement to prepare compacted cylindrical samples to standard Proctor (OMC) of different cement doses and different water-cement ratios. After curing, the hardened samples were tested and their compressive strength was investigated for different duration. Another important parameter is considered in this study is the extent of the permeability of the soils treated with cement, as our material can be used for building dams and dykes. The results of the first part of this study showed the influence of cement content on compaction characteristics and water permeability of stabilized Guetna soil. The results from the second part of this study showed the effect of time lag, watercement ratios, and dosage of cement on the compressive strength and elastic modulus of the investigated. Salient conclusions of the study are (a) compaction characteristics of soils are affected by the addition of cement, in particular the water content that increases with high doses of cement, (b) compressive strength increased with dosage of cement varying to 2 % at 6 %, even at lower values of cement doses, (c) in contrast, the water contact on soil leads to a marked decrease in compression strength, (d) the results also indicated that the water permeability decrease when le cement content increased, (e) the elastic modulus defined at 50 % of peak strength is determined for studied material at different binder contents and different curing times, (f) the development of elastic modulus is in accordance with compressive strength. A quantitative corre...

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Section: Influence Of Cement On Elastic Modulus Ementioning

confidence: 94%

Section: Introductionmentioning

confidence: 98%

Effect of Treatment with Cement on the Mechanical Characteristics of Silt from Telagh Region of Sidi Belabes, Algeria

2015

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“…Three soil types (silt, silty clay and laterite) treated with cement (7% -13%) in Malaysia E 50 = (100 -326) qu [55] Swedish clay treated with cement and lime (200 kg/m 3 (18%-24%)) E 50 = (53 -92) qu [56] Bangkok soft clay with high water content treated with cement (5% -35%) and fly ash (5% -30%) E 50 = (96 -129) qu [45] Marine sediments in France treated with cement, lime and fly ash (3% -9%) E 50 = (60 -170) qu [57] Swedish clayey silt soil treated with cement (1% -7%) E 50 = (16 -85) qu [42] Swedish clayey silt soil treated with Petrtit T (2% -7%) E 50 = (14 -24) qu Present study binders as the reduction in cement content will contribute significantly to the environmental balance and to saving money for construction.…”

Section: Methodsmentioning

confidence: 99%

Stabilization of Clayey Silt Soil Using Small Amounts of Petrit T

Al-Jabban¹,

Knutsson²,

Laue³

et al. 2017

ENG

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Effects of using small amounts of a Petrit T, a by-product of manufacture sponge iron, to modify clayey silt soil were investigated in this study. Petrit T was added at 2%, 4% and 7% of soil dry weight. A series of unconfined compressive strength tests, consistency limits tests and pH tests were conducted at 7, 14, 28, 60 and 90 days of curing periods to evaluate the physical and mechanical properties of treated soil. Results indicated improving in the unconfined compressive strength, stiffness and workability of treated soil directly after treatment and over time. Increasing in soil density and decreasing in water content were observed, with increasing Petrit T content and curing time. The pH value was immediately increasing after treatment and then gradually decreased over time. Failure mode gradually changed from plastic to brittle behavior with increasing binder content and curing time. The outcomes of this research show a promising way of using a new by-product binder to stabilize soft soils in various engineering projects in order to reduce the costs which are associated with of excavation and transportation works.

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“…Selon la littérature relative à la valorisation des sédiments de dragage, les sédiments marins peuvent être solidifiés/stabilisés avec des liants hydrauliques puis valorisés dans le domaine du génie civil (COLIN, 2013 ;DUAN, 2008 ;SILITONGA, 2010 ;LIANG, 2012 ;WANG et al, 2013). En effet, à dosage équivalent en liant, les performances mécaniques des sédiments fins stabilisés sont relativement faibles comparées à celles de sols grossiers.…”

Section: Introductionunclassified

Sédiments fins renforcés par une matrice ciment-fibre : recherche d’une formulation optimale

Liang¹,

Levacher²,

Razakamanantsoa³

et al. 2014

XIIIèmes JNGCGC, Dunkerque

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Résumé :Des sédiments fins portuaires du port de La Baule -Le Pouliguen sont stabilisés avec du ciment et des fibres (fibre polypropylène et fibre de lin). L'apport de différentes quantités de fibres et l'effet de la taille de ces dernières sur le comportement mécanique des sédiments stabilisés, fait l'objet de cette communication. Les indicateurs mécaniques de la résistance à la compression Rc à 7, 14, 28, 56, 90 jours et de la résistance à la traction indirecte Rti à 28 jours sont mesurés. Une formulation optimale de 0,4% de fibres de lin et de fibres polypropylène de longueur égale à la moitié du diamètre de l'éprouvette est obtenue avec 7% de ciment. Les échantillons contenant des fibres de lin présentent une meilleure performance mécanique comparativement aux échantillons à base de fibres en polypropylène. L'analyse des paramètres mécaniques, comme le module de déformation E 50 en relation avec Rc, montre que l'intervalle des ratios E 50 /Rc se situe en deçà des valeurs usuellement obtenues pour des sols fins traités aux liants hydrauliques seuls. Mots-clés : Sédiments, Fibre polypropylène, Fibre du lin, Renforcement, Résistance à la compression, Résistance à la traction indirecte, Module E 50 .

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Strength and deformation properties of Dunkirk marine sediments solidified with cement, lime and fly ash

Cited by 151 publications

References 17 publications

Effect of Treatment with Cement on the Mechanical Characteristics of Silt from Telagh Region of Sidi Belabes, Algeria

Effect of Treatment with Cement on the Mechanical Characteristics of Silt from Telagh Region of Sidi Belabes, Algeria

Stabilization of Clayey Silt Soil Using Small Amounts of Petrit T

Sédiments fins renforcés par une matrice ciment-fibre : recherche d’une formulation optimale

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