The Potential of Lime and Grand Granulated Blast Furnace Slag (GGBFS) Mixture for Stabilisation of Desert Silty Sands

Rabbani, Parham; Daghigh, Younes; Atrechian, Mohammad Reza; Karimi, Masoud; Tolooiyan, Ali

doi:10.5923/j.jce.20120206.07

Cited by 32 publications

(13 citation statements)

References 23 publications

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“…Amer et al [7] showed that with the addition of 6% lime, both the swell percent and swell pressure reduced to zero. Rabbani et al [15] evaluated the use of Grand Granulated Blast Furnace Slag (GGBFS) and lime in stabilizing desert silty sand for possible use in geotechnical engineering applications, especially for roadways and railways constructions. Results indicated that the swelling behavior of mixtures was decreased effectively.…”

mentioning

confidence: 99%

Improvement of geotechnical properties of silty sand soils using natural pozzolan and lime

Abbasi

Mahdieh

2018

Geo-Engineering

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confidence: 99%

Improvement of geotechnical properties of silty sand soils using natural pozzolan and lime

Abbasi

Mahdieh

2018

Geo-Engineering

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“…It should be noted that the role of IHL in this study is to be an activator for chemical reaction rather than being the main stabiliser. Previous investigations found that the 5:1 BFS:lime ratio is proper to activate BFS (Wild and Tasong, 1999; Rabbani et al., 2012), however, the 4:1 ratio was preferred in this study to assure all ACBFS will be activated and to minimise the ACBFS content.…”

Section: Methodsmentioning

confidence: 87%

“…As shown in Table 6, adding the ACBFS-IHL slurry reduced both the initial saturated and dry unit weight of the mixtures. Previous research demonstrated that adding BFS powder to soil should increase the mixture's unit weight by filling the voids between soil particles (Akinmusuru, 1991; Wild et al., 1996; Rabbani et al., 2012). However, for the given additive contents in this research, the effect of lime and water has been the dominant factor in controlling the unit weight of the mixture.…”

Section: Resultsmentioning

confidence: 99%

Effect of Cutter Soil Mixing (CSM) method and curing pressures on the tensile strength of a treated soft clay

Rabbani

Lajevardi

Tolooiyan

et al. 2019

Heliyon

Self Cite

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This study presents a set of laboratory experiments to investigate the effect of Cutter Soil Mixing (CSM) method and curing pressures on the tensile strength of a soft clay treated with Air Cooled Blast Furnace Slag (ACBFS) and Industrial Hydrated Lime (IHL). High productivity, minimum vibration, using the in-situ soil as construction material, and high level of quality control are some of the main benefits of CSM method. Three different slurries containing various percentages of ACBFS and IHL were mixed with saturated soft clay due to CSM method to enhance its tensile strength and make it suitable for the construction of deep CSM panels. To simulate high pressure due to the self-weight of the deep CSM panels in the field, a number of high pressure curing devices were designed and built in the laboratory and used for 28 and 56 day pressurised curing of the treated samples. Then an indirect tensile strength test was performed on the treated samples to investigate the effect of mixing method, ACBFS-IHL content, curing pressure and curing time on the tensile strength of the treated material. Finally, X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) analysis were conducted to investigate the microstructural and properties of the treated clay. The outcomes demonstrate that using CSM method and curing pressures along with ACBFS-IHL as a chemical stabiliser, increases the tensile strength of treated soft clay up to 35 times, which is significantly higher than the use of chemical stabiliser alone. Moreover, the microstructural analysis results revealed that the main hydration products in the clay treated with ACBFS-IHL is gismondine (C–A–S–H) which is also considered to be responsible for the higher tensile development.

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“…The hydrated lime has a purity level of Ca(OH) 2 , a minimum of 90%, and the particle size analysis shows that 90% of the grain size is less than 90 micron. When lime is added to silicon and aluminum oxides (within soils or added volcanic ash) with the presence of water, pozzolanic reactions occur and lead to forming calcium silicate hydrate (C-S-H) and calcium aluminate hydrate (C-A-H) gels that, after crystallization, will substantially contribute to connecting the soil particles to a relatively strong structure [ 15 ].…”

Section: Materials Usedmentioning

confidence: 99%

“…The results showed a substantial increase in the UCS of the stabilized sand by adding 3% lime and 15% bentonite. Rabbani et al [ 15 ] investigated the influence of ground granulated blast furnace slag (GGBFS) and lime on the geotechnical properties of dune sands of Iran for possible usage in roadways and railways projects. The results showed significant improvement in the CBR and UCS of the treated sand.…”

Section: Introductionmentioning

confidence: 99%

Influence of Lime and Volcanic Ash on the Properties of Dune Sand as Sustainable Construction Materials

et al. 2021

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This study focused on evaluating dune sand stabilized with lime and volcanic ash as base course materials in engineering construction. Dune sands are found in Saudi Arabia in huge quantities. Due to the high demand for construction materials, this makes them highly suitable for construction. A testing program was designed to investigate the effect of adding different percentages by weight of lime (L: 0, 2, 4, and 6%) and volcanic ash (VA: 0, 1, 3, and 5%) on the engineering properties of the stabilized mixture. Unconfined compressive strength (UCS) and California bearing ratio (CBR) tests were conducted. In addition, Raman spectroscopy and laser-scanning microscopy (LSM) tests were performed to explore the chemical characteristic, packing, and structure of the mixture. The results showed that the UCS, CBR, and the Young’s modulus (Es) of the treated dune sand increased with the increase in percentage of both stabilizers. Furthermore, LSM images of mortar blended with intermediate L-to-VA blend ratio ≈0.55 (L: 6% and VA: 5%) exhibit compact packing of sand grains, indicating strong adhesion and higher cementing value. The results of the study are promising and encourage using the treated dune sand in engineering construction even with a low percentage use of lime (2%) and volcanic ash (1–3%) as stabilizers.

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The Potential of Lime and Grand Granulated Blast Furnace Slag (GGBFS) Mixture for Stabilisation of Desert Silty Sands

Cited by 32 publications

References 23 publications

Improvement of geotechnical properties of silty sand soils using natural pozzolan and lime

Improvement of geotechnical properties of silty sand soils using natural pozzolan and lime

Effect of Cutter Soil Mixing (CSM) method and curing pressures on the tensile strength of a treated soft clay

Influence of Lime and Volcanic Ash on the Properties of Dune Sand as Sustainable Construction Materials

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