Behavior of cement-stabilized fiber-reinforced pond ash, rice husk ash–soil mixtures

Kumar, Arvind; Gupta, Deepak

doi:10.1016/j.geotexmem.2015.07.010

Cited by 186 publications

(52 citation statements)

References 44 publications

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“…Similar procedure was followed for specimen preparation as presented in authors' publication [26]. The samples were tested after a curing time of 7, 14 and 28 days.…”

Section: Unconfined Compressive Strength and Split-tensile Strength Tmentioning

confidence: 99%

“…An experimental study has shown that increase in compactive efforts lead to an increase in MDD and simultaneous decrease in OMC [25]. It has been concluded that the cement stabilized and fiber reinforced clay mixed with optimum percentage of rice husk ash and pond ash can be an effectively used as geotechnical fill materials [26]. Improvement in strength and durability characteristics has been observed using lime in class F fly ash [23].…”

Section: Introductionmentioning

confidence: 99%

“…But further improvement in the strength of soil-pond ash mix can be achieved using some additional treatment. For instance, the combined effect of pond ash, fibers and cement can further improve the strength of soil [26,28]. But the combined effect of pond ash and fibers on the properties of soil is yet required further to be studied.…”

Section: Introductionmentioning

confidence: 99%

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Strength Characterization of Cement Stabilized and Fiber Reinforced Clay–Pond Ash Mixes

Gupta

Kumar

2016

Int. J. of Geosynth. and Ground Eng.

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This paper presents the experimental results obtained from tests conducted on clayey soil specimen stabilized with pond ash (PA) and cement and reinforced with randomly distributed fibers. The amount of PA and cement were varied from 0-50 and 0-6 % respectively by dry weight of the soil. In order to understand the influence of admixture on the strength properties of clay, compaction tests, unconfined compression tests (UCS), split tensile strength (STS) tests and California bearing ratio tests (CBR) were conducted. In addition scanning electron microscopy and X-ray diffraction tests were carried out on certain samples in order to study the surface morphological characteristics and hydraulic compounds, which were formed. The specimens were tested for their strength behaviour at different curing periods. The obtained results have shown that addition of mixtures leads to a decrease in the maximum dry density and increase in optimum moisture content. The results also indicate that the proposed method is very effective to improve the strength of the clayey soil in terms of UCS, STS and CBR tests.

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“…Similar procedure was followed for specimen preparation as presented in authors' publication [26]. The samples were tested after a curing time of 7, 14 and 28 days.…”

Section: Unconfined Compressive Strength and Split-tensile Strength Tmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Strength Characterization of Cement Stabilized and Fiber Reinforced Clay–Pond Ash Mixes

Gupta

Kumar

2016

Int. J. of Geosynth. and Ground Eng.

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“…Most of the experimental research presented so far regarding the mechanical behaviour of fibre-reinforced cemented sands entails the analysis of these composites under compression or split tensile loading [2,5,6,7,8]. The mechanical behaviour of fibre-reinforced cemented sands under flexural tensile loading (where failure occurs only due to tensile stress) has not been studied as extensively [9,10].…”

Section: Introductionmentioning

confidence: 99%

Behaviour of fibre-reinforced cemented sand under flexural tensile stress

et al. 2019

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In soil improvement, the insertion of cement to the soil matrix provides an increase in strength and rigidity of the material, whereas fibre addition provides an increase in ductility, reducing post-peak loss in strength. This research aims to experimentally analyse the mechanical behaviour of unreinforced and fibre-reinforced cemented sands under flexural tensile monotonic loading conditions. In order to do so, an experimental program was planned using silty sand (Arenito Botucatu), early strength Portland cement -CPIII, and polypropylene fibres 24 mm long and 0.023 mm thick. Three different dry unit weights (d) (18, 19 and 19.7 kN/m 3 ), three cement contents (3, 5 and 7%), and two fibre contents (0 and 0.5%) were chosen. Analysing the results, an increase in cement content generates an increase in flexural strength (qf) for all concentrations and the increase in d generated smaller qf gains, especially for lower cement contents. The addition of fibres generated a qf increase for lower d but at higher d there was a reduction in the influence of fibre addition on strength gain. The reduction can be attributed to an entanglement of the fibres in higher compaction strengths, disrupting the formation of cementitious bonds. However, based on a qualitative assessment, there was a noticeable reduction in post-peak strength loss due to fibre insertion. The parameter porosity/volumetric cement content (/Civ 0.28 ) was considered suitable to predict the qf mechanical behaviour of the studied composite.

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“…In the past decades, a large number of experiments have been conducted to investigate the mechanical behavior of fiber reinforced soil, including triaxial compression test (Consoli et al, 1998(Consoli et al, , 2005(Consoli et al, , 2007a; Kaniraj and Gayathri, 2003;Hendry et al, 2014), unconfined compression test (Kaniraj and Havanagi, 2001;Tang et al, 2007;Olgun, 2013;Consoli and Bassani, 2010;Yi et al, 2015;Kumar and Gupta, 2016), direct shear test (Prabakar and Sridhar, 2002;Yetimoglu and Salbas, 2003;Cai et al, 2006;Consoli et al, 2007a), ring shear test (Casagrande et al, 2006;Consoli et al, 2007b), plate load test (Consoli et al, 2003a(Consoli et al, , 2003b(Consoli et al, , 2009, CBR test (Yetimoglu et al, 2005), tensile test (Consoli et al, 2011;Divya et al, 2013;Li et al, 2014;Viswanadham et al, 2010;Tang et al, 2015a,b;Correia et al, 2015), swelling test (Viswanadham et al, 2009), desiccation test (Miller and Rifal, 2004;Tang et al, 2012) and other tests (Gray and Ohashi, 1983;Gray and Maher, 1989;Nataraj and McManis, 1997;Santoni and Webster, 2001;Michalowski and Cermak, 2003;Tang et al, 2010;Liu et al, 2011;…”

Section: Introductionmentioning

confidence: 99%

Investigation on the interfacial mechanical behavior of wave-shaped fiber reinforced soil by pullout test

Tang

Jian

Wang

et al. 2016

Geotextiles and Geomembranes

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Behavior of cement-stabilized fiber-reinforced pond ash, rice husk ash–soil mixtures

Cited by 186 publications

References 44 publications

Strength Characterization of Cement Stabilized and Fiber Reinforced Clay–Pond Ash Mixes

Strength Characterization of Cement Stabilized and Fiber Reinforced Clay–Pond Ash Mixes

Behaviour of fibre-reinforced cemented sand under flexural tensile stress

Investigation on the interfacial mechanical behavior of wave-shaped fiber reinforced soil by pullout test

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