Comparative measurement of compaction impact of clay stabilized with cement, peat ash and silica sand

Wong, Leong Sing; Mousavi, S. Hooman; Sobhani, Shahab; Kong, Sih Ying; Birima, Ahmed Hussien; Pauzi, Nur Irfah Mohd

doi:10.1016/j.measurement.2016.08.029

Cited by 23 publications

(8 citation statements)

References 23 publications

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“…According to BS 5930 [24] and based on the results obtained for liquid limit and plasticity index, the soil is classified as CLAY with intermediate plasticity (CI). The organic contents found in this soil is less than 3% which according to Wong et al [25] proof that the soil is inorganic.…”

Section: Properties Of Soft Claymentioning

confidence: 57%

“…Air-tight plastic bags were used to keep the wet mixture for 24 hours to ensure better distribution of moisture within the mixture. A standard compaction mold with a standard height of 115.5 mm and an internal diameter of 105 mm was used for the compaction tests [27]. All samples of soft clay-RCT mixtures were compacted insides the compaction mold in three equal layers by dropping vertically a metal rammer (2.5 kg) from a height of 300 mm.…”

Section: Testing Programmentioning

confidence: 99%

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Sustainable Strength Improvement of Soft Clay Stabilized With Two Sizes of Recycled Additive

Al-Bared¹

2018

GEOMATE

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High amounts of ceramic waste is accumulated every year in the disposal and construction sites due to the rejection of all smashed, cracked, and broken tiles. The usage of recycled ceramic crushed tiles (RCT) in improving soft soil is considered an environmentally-friendly, economical and sustainable solution. Soft soils are characterized as problematic soils that are always associated with weak performance when loaded. It is a common practice to excavate, transport and dispose this kind of soil into landfills and replace it with a soil that meets the engineering requirements. Due to shortage of space in landfills and the high costs involved in this processes, soft soils are always treated at construction sites. In this study, two sizes of RCT (0.3 and 1.18 mm) are used to improve the physical and mechanical properties of soft soil. The size and percentage of RCT are investigated and its influence on unconfined compressive strength (UCS) and compaction is evaluated. Microstructural tests included scanning electron microscopic (SEM) and energy dispersive X-ray spectroscopy (EDS) were also conducted on samples treated with RCT. Noticeable increment in both density and unconfined compressive strength was achieved. The maximum dry density increased from 1.59 Mg/m 3 to 1.82 Mg/m 3 and 1.77 Mg/m 3 at the addition of 40% 1.18 mm and 0.3 mm RCT, respectively. Whereas the unconfined compressive strength increased from 50 kPa to 250 kPa and 225 kPa at 10% addition of 1.18 mm RCT and 40% 0.3 mm RCT, respectively. The optimum value of RCT to treat soft clay was found to be 10% and 40% for 1.18 mm and 0.3 mm RCT, respectively. The remarkable improvement in the strength of soil is due to the development of cementation compounds that acts as a binder between the RCT and soil particles. This study would help in reducing the impacts created by disposing of both problematic soil and waste tiles. Besides, cement is the most traditional material used to stabilize soil. This research would contribute to reducing the CO 2 produced during the production of cement.

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Section: Properties Of Soft Claymentioning

confidence: 57%

Section: Testing Programmentioning

confidence: 99%

Sustainable Strength Improvement of Soft Clay Stabilized With Two Sizes of Recycled Additive

Al-Bared¹

2018

GEOMATE

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“…The average values of all the physical tests conducted on marine clay are demonstrated in Table 1. According to Wong et al [17], soils that have an organic content of less than 10% are considered inorganic. Therefore, the tested marine clay is considered as inorganic soil.…”

Section: Marine Claymentioning

confidence: 99%

“…Soil compaction can be described as increasing the particle density of the soil and decreasing the air spaces within the particles at constant water content. This will increase the shear strength and decrease the associated settlement of the compacted soil as it becomes in an impermeable state [17]. Compaction methods differ between cohesive and cohesionless soils.…”

Section: Introductionmentioning

confidence: 99%

Compaction and Plasticity Comparative Behaviour of Soft Clay Treated with Coarse and Fine Sizes of Ceramic Tiles

et al. 2018

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Recycled blended ceramic tiles (RBT) is a waste material produced from ceramic tile factories and construction activities. RBT is found to be cost effective, sustainable, environmental-friendly and has the potential to be used as an additive in soft soil stabilization. Recent reports show that massive amounts of RBT are dumped into legal or illegal landfills every year consuming very large spaces and creating major environmental problems. On the other hand, dredged marine clay obtained from Nusajaya, Johor, Malaysia has weak physical and engineering characteristics to be considered as unsuitable soft soil that is usually excavated, dumped into landfills and replaced by stiff soil. Hence, this study investigates the suitability of possible uses of RBT to treat marine clay. Laboratory tests included Standard proctor tests and Atterberg limits tests. The plasticity of marine clay was evaluated by adding 10%, 20%, 30% and 40% of 0.3 mm RBT. In addition, the compaction behaviour of treated marine clay was compared by adding two different sizes (0.3 mm and 1.18 mm diameter) of RBT. For both coarse and fine sizes of RBT, 10%, 20%, 30% and 40% of the dry weight of the soft clay were added. The mixture of each combination was examined in order to evaluate the Maximum Dry Density (MDD) and the optimum moisture content (OMC) for the treated soft clay. MDD and OMC for soft untreated samples were 1.59 Mg/m3 and 22%, respectively. Treated samples with 10%, 20%, 30% and 40% of 0.30 mm size RBT resulted in a significant reduction of OMC ranged from 19 to 15% while MDD resulted in increment ranged from 1.69 to 1.77 Mg/m3. In addition, samples treated with 10%, 20%, 30% and 40% of 1.18 mm size RBT resulted in major reduction of OMC ranged from 15 to 13.5% while MDD increased effectively from 1.75 to 1.82 Mg/m3. For all mix designs of soft clay-RBT, MDD was gradually increasing and OMC was sharply reducing with further increments of both sizes of RBT.

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“…Dentro de los productos más utilizados en el mundo para mejorar el desempeño de los suelos como materiales de construcción se encuentran el cemento, las cenizas volantes y los silicatos [2]. Horpibulsuk et al [3] reportaron trabajos centrados en el comportamiento de la arcilla cementada con diferentes productos y que destacan el efecto de varios factores reguladores, tales como el contenido de agua, la relación de cemento y el tiempo de curado.…”

Section: Introductionunclassified

Comparación experimental entre la sensitividad y la cementación en el comportamiento no drenado de suelos arcillosos

Ruge

Molina-Gómez

Cunha

2021

Ingeniare. Rev. chil. ing.

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En este artículo se presenta un estudio experimental que compara el efecto de la sensitividad contra el de la cementación, en la recuperación de las propiedades esfuerzo deformación en suelos arcillosos de la Sabana de Bogotá. La metodología de trabajo incluyó tres fases: (i) extracción de muestras; (ii) evaluación de las propiedades de los suelos en estado inalterado; y (iii) estabilización y análisis de resistencia de dichas muestras modificados materiales cementantes. Las muestras de suelo fueron tomadas en el municipio de Madrid (Cundinamarca, Colombia). Se desarrolló un plan experimental que incluyó ensayos de caracterización física y mecánica. En dicho plan se hizo énfasis en la evaluación de la resistencia al corte no drenada y los parámetros elásticos mediante ensayos de compresión inconfinada. Los suelos fueron compactados y estabilizados mediante la adición de dos productos químicos sólidos, carbonato de calcio y óxido de hierro. Los resultados entre las muestras naturales, remoldeadas y mejoradas fueron comparados mediante técnicas de análisis estadístico. De esta manera, se encontró que la implementación del óxido de hierro en este tipo de suelos permite obtener parámetros esfuerzo-deformación cercanos a los del estado inalterado después del proceso de remoldeo.Palabras clave: Estabilización de suelos, remoldeo de muestras, resistencia al corte no drenada.

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Comparative measurement of compaction impact of clay stabilized with cement, peat ash and silica sand

Cited by 23 publications

References 23 publications

Sustainable Strength Improvement of Soft Clay Stabilized With Two Sizes of Recycled Additive

Sustainable Strength Improvement of Soft Clay Stabilized With Two Sizes of Recycled Additive

Compaction and Plasticity Comparative Behaviour of Soft Clay Treated with Coarse and Fine Sizes of Ceramic Tiles

Comparación experimental entre la sensitividad y la cementación en el comportamiento no drenado de suelos arcillosos

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