Effect of polypropylene fibre and lime admixture on engineering properties of clayey soil

Cai, Yuanqiang; Shi, Bin; Ng, Charles W.W.; Tang, Chao‐Sheng

doi:10.1016/j.enggeo.2006.07.007

Cited by 345 publications

(131 citation statements)

References 14 publications

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“…Researchers such as Tremblay et al (2002), Botta et al (2004), Cai et al (2006) and Estabragh et al (2016) used SEM technique for description of soil under different conditions (contaminated, mixed with cement, etc. )…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Leaching Behavior of a Stabilized and Solidified Anthracene-Contaminated Soil

2018

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This paper presents an investigation into remediation of an anthracene-contaminated clay soil through experimental tests. Samples were prepared of uncontaminated and contaminated soil-cement with 20 and 30% cement. Unconfined compression tests (UCT) were conducted on the natural soil and soil contaminated with anthracene. In addition, similar tests were carried out on uncontaminated and contaminated soil-cement at different curing times. Leaching tests were also conducted on contaminated soil and

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Section: Introductionmentioning

confidence: 99%

Mechanical and Leaching Behavior of a Stabilized and Solidified Anthracene-Contaminated Soil

2018

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“…The randomly distributed fiber as reinforcement limit the potential planes of weakness that can develop parallel to oriented reinforcement. The influence of randomly oriented fibers on the mechanical and dynamic properties of fine grained soils has been reported by Maher and Ho (1994), Nataraj and McManis (1997), Cai et al (2006), Ozkul and Baykal (2006) and Tang et al (2007). Moreover, it is essential to realize that the degradation of synthetic fiber reinforcements which occurs with time (aging) depends on numerous factors such as the specific fiber, configuration of the fiber reinforcements, the environment to which they are exposed, saturation due to percolation of water, the level of stress to which they are subjected, exposure to construction stresses, leaching and/or biological attack of additives and stabilizers that improve the resistance of the basic polymer (Abu-Sharkh and Hamid 2004).…”

Section: Factors Affecting the Variability Associated With Ucsmentioning

confidence: 99%

“…Constructing pavements on expansive soils can result in economic loss (Petry and Little 2002), whereas pavements on lime blended expansive soils (National Lime Association, 2004), stabilized with fiber reinforcement (Cai et al 2006), would result in overly expensive systems. Pavements constructed on reinforced subgrades have several advantages from economic, environmental and traffic safety point of view (Marandi et al 2008).…”

Section: Necessity For Reliability Based Designmentioning

confidence: 99%

“…It is evident based on the above results that, in reinforced soils, where the soil grains are replaced by fibers, it is the fibers that control the behavior of the specimen. Cai and Shi (2006) studied the use of lime and fibers on six different soil samples at different combinations of lime and fiber contents. They observed that with an increase in fiber content, the compressive strength of samples increased.…”

Section: Introductionmentioning

confidence: 99%

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Target Reliability Approach to Study the Effect of Fiber Reinforcement on UCS Behavior of Lime Treated Semiarid Soil

Moghal

Chittoori

Basha

et al. 2017

J. Mater. Civ. Eng.

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This paper evaluates the effectiveness of stabilizing expansive soil with two different types of fibers, Fiber Mesh® (FM) and Fiber Cast® (FC), in conjunction with chemical stabilization. The intention of this study is to evaluate the effect of these fibers and lime in stabilizing expansive soil by improving its UCS behavior. The effect of varying lengths (6 mm and 12 mm) and amounts (0.2, 0.4 and 0.6% dosage by weight of soil) of FC and FM fibers and curing periods (0, 7, 28, 60, 120, 180 and 360 days) on the UCS and on secant modulus of a semi-arid expansive soil, in the presence of lime, was investigated. The main focus of this paper is on the determination of optimum fiber reinforcement parameters (in terms of fiber type, length and dosage) for the stabilization of expansive soil in terms of UCS, which is of a prime importance in soil stabilization projects for practicing engineers. In deterministic optimization, the uncertainties associated with subgrade soil of the pavement system are not explicitly taken into account. Hence, resulting optimal solutions may lead to reduced reliability levels of the pavement. Therefore, this paper also focuses on determining the optimum amounts of reinforcement for desired UCS performance of lime blended expansive soil using target reliability approach (TRA). The experimental data was used to develop a parabolic model using factors such as, length and dosage of fiber types to predict UCS as a response variable. In addition, it was concluded that the TRA can be successfully employed in expansive soil stabilization applications in determining the optimum length and dosage of fiber reinforcements.

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“…The inorganic types Table 2. Density of materials of stabilizing agents which have been popularly applied for the purpose of slope stabilization are cement [3,6], lime [4,16,22], fly ash [8], organic polymers [14] and their mixtures [19,20,24]. These inorganic stabilizing agents are mainly used in non-ecological soil stabilization.…”

Section: Introductionmentioning

confidence: 99%

The Effect of HCWA-PFA Hybrid Geopolymer Modification on the Properties of Soil

Hassian

Cheah

2014

MATEC Web of Conferences

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Abstract. This study investigated the performance of the properties of foamed concrete when replacing volumes of cement of 10%, 15% and 20% by weight. A control unit of foamed concrete mixture made with Ordinary Portland Cement (OPC) as well as samples containing 10%, 15% and 20% silica fume were prepared. Three mechanical property parameters of foamed concrete containing different percentages of silica fume were studied: compressive strength, flexural strength and splitting tensile strength. Silica fume is commonly used to increase the mechanical properties of concrete materials as well as for economic concerns. The foamed concrete in this study was cured at a relative humidity of 70% and a temperature of ±28°C. Improvements in the mechanical properties of foamed concrete were due to a significant densification in the microstructure of the cement paste matrix in the presence of silica fume hybrid supplementary binder as observed from micrographs obtained in the study. The overall results showed that silica fume has great potential to be utilized in foamed concrete as there was a noticeable enhancement in thermal and mechanical properties with the addition of silica fume.

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Effect of polypropylene fibre and lime admixture on engineering properties of clayey soil

Cited by 345 publications

References 14 publications

Mechanical and Leaching Behavior of a Stabilized and Solidified Anthracene-Contaminated Soil

Mechanical and Leaching Behavior of a Stabilized and Solidified Anthracene-Contaminated Soil

Target Reliability Approach to Study the Effect of Fiber Reinforcement on UCS Behavior of Lime Treated Semiarid Soil

The Effect of HCWA-PFA Hybrid Geopolymer Modification on the Properties of Soil

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