Mechanical Properties of Sandy Soil Improved
with Cement and Nanosilica

Choobbasti, Asskar Janalizadeh; Vafaei, Ali; Kutanaei, Saman Soleimani

doi:10.1515/eng-2015-0011

Cited by 95 publications

(19 citation statements)

References 14 publications

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“…The most popular applicable additives are bres, including polypropylene and polyethylene [1][2][3]. Other additives used are nano particles, glass, y ash, and silica fume [4][5][6][7]. In addition, using additives remarkably reduces the project cost.…”

Section: Introductionmentioning

confidence: 99%

Parameters Controlling Tensile Strength of Zeolite-Cemented Sands

Khajeh¹,

MolaAbasi

Semsani³

2017

Scientia Iranica

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Abstract. Treating soil with cement and zeolite is widely used in soil stabilization. This research intends to quantify the impact of cement and zeolite contents, porosity index, and voids/cement ratio on zeolite cemented sands by the splitting tensile strength (t) assessment. The approach of splitting tensile tests using specimens by di erent zeolite replacement percentages was followed. Results indicated that cement was replaced by zeolite at optimum proportion of 30%. Then, improved values of t by the e ect of zeolite and cement chemical properties in the cement sand specimens were attained. Zeolite can have a more signi cant e ect on a compacted mixture if its cement content and porosity increase. In this paper, it is shown that for the zeolite cemented sands, t increases by increase in cement content (C) and reduction in porosity (n); and a power function is welladapted to t both t C and t n. Afterwards, good correlations are obtained between voids/cement ratio (n=c) and the splitting tensile strength ( t ) of the sand-zeolite-cement studied. Finally, based on a number of input variables, namely, porosity (n), replacement of cement by zeolite (Z), and cement content (C), considering the regression approach, an equation is suggested to predict t. Moreover, it is shown that the evolved equation could successfully predict the tensile strength.

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Section: Introductionmentioning

confidence: 99%

Parameters Controlling Tensile Strength of Zeolite-Cemented Sands

Khajeh¹,

MolaAbasi

Semsani³

2017

Scientia Iranica

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“…This due to increase hydration of cement led to increase the bonding force between grains of soil cement. These findings are also introduced by [4][5][6], and [18][19][20]. Later, Laguros J.G [21] indicated that the cohesion as well as the angle of internal friction increase when the soils are treated with cement, the increase being higher for the granular soils than for the fine grained soils.…”

Section: Second Group Resultsmentioning

confidence: 75%

Effect of Soaking and Non-soaking Condition on Shear Strength Parameters of Sandy Soil Treated with Additives

Fadhil

Ali

2019

Civ Eng J

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The present paper aims to improve shear strength parameters: cohesion (c), and angle of internal friction (∅) for sandy soil treated by additives before and after soaking. The samples of sandy soil were obtained from Karbala city and then classified as poorly graded sand (SP) with relative density Dr (30%) according to the system of (USCS). The experiment has three stages. In the first stage ,the soil was treated with three different percentages of cement (3 ,5 and 7%) of dry weight for the soil with three different percentages of water content (2, 4 and 8%) in each above percentage of cement, while the second stage includes (2%) of lime from soil weight mixed with each different percentage of cement . In the third stage, (50%) of polymer of cement weight was mixed with each different percentage of cement. An analysis of behavior sandy soils treated by additives was carried out with the Direct Shear Tests. All the samples were cured (3) days before and after soaking. The results of the experiment showed that increase in shear strength parameters of sandy soil; especially the angle of internal friction with the rate value (16.6 %) of cement only, (21.88 %) of cement with lime , (20.3%) of cement with the polymer before soaked condition. After soaking condition, it was increased with the rate value (14.3%) with cement only, (23.57%) of cement with lime, and (15.38%) of cement with the polymer as compared with soil in the natural state.

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“…The addition of silica fume decreases the development of cracks on the surface of compacted clay samples which reduces the width of crack by 75%. The permeability of soil is increased with increase in silica fume content [12]. Silica fume can also be used as a non-traditional stabilizer for black cotton soil which is highly expansive in nature.…”

Section: B Silica Fumementioning

confidence: 99%

A Review on improvement of bearing capacity using industrial waste in Geotechnical Engineering

Saranya¹,

Harini²,

Gayathri³

2018

IJERT

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Abstract-The use of industrial wastes in various engineering projects has been trending in India. This is necessitated by the disposal problems associated with it. Copper slag and Silica fume are the most extensively used waste materials in the construction industry in recent times. Large quantities of these wastes are accumulated and dumped on costly land, causing wastage of good cultivable land. Mixing these wastes with existing soil type without completely removing and refilling with another soil type can be an alternative improvement technique to cement mixing and soil stabilization which are expensive. In this paper, a review of the previous research studies carried out by various researchers on effective usage of copper slag and silica fume is presented.

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Mechanical Properties of Sandy Soil Improved with Cement and Nanosilica

Cited by 95 publications

References 14 publications

Parameters Controlling Tensile Strength of Zeolite-Cemented Sands

Parameters Controlling Tensile Strength of Zeolite-Cemented Sands

Effect of Soaking and Non-soaking Condition on Shear Strength Parameters of Sandy Soil Treated with Additives

A Review on improvement of bearing capacity using industrial waste in Geotechnical Engineering

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