The influence of changing groundwater levels on the geotechnical behaviour of desert sands

Al‐Sanad, Hasan A.; Shaqour, Fathi M.; Hencher, Steve; Lumsden, A.C.

doi:10.1144/gsl.qjeg.1990.023.04.10

Cited by 15 publications

(10 citation statements)

References 4 publications

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“…Exploration activities have resulted to the release of large quantities of petroleum products into the environment and this has affected the soils in this region. These petroleum products released contaminate the soil, thus subjecting the soil to changes in its engineering properties, making it unsuitable to be used as material for road construction, capping layer for car parks, landfill cover material and detrimental to buildings and structures standing on it due to loss of bearing capacity, [11]. The Department of Petroleum Resources estimated 1.89 million barrels of petroleum were spilled into the Niger Delta between 1976 and 1996 out of a total of 2.4 million barrels produced.…”

Section: The Unsoaked California Bearing Ratio Values Bearing Ratio Vmentioning

confidence: 99%

“…Such studies could be aimed at converting it to road base material or topping layer for car parks and roads after mixing with aggregate or a stabilizing agent. In this case, bagasse ash is being investigated as a potential stabilizing agent, [11]. One of the most effective ways in terms of environmental benefits, product-type versatility and cost effectiveness in treating contaminated soils in order to make it suitable for engineering purposes such as the construction of road sub-grade (i.e.…”

Section: The Unsoaked California Bearing Ratio Values Bearing Ratio Vmentioning

confidence: 99%

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Assessment of Bagasse Ash Effect on the California Bearing Ratio of Used Oil Contaminated Lateritic Soils

2015

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Thi Thi Thi This s s s study wa study wa study wa study was carried out to evaluate the effect of bagasse ash s carried out to evaluate the effect of bagasse ash s carried out to evaluate the effect of bagasse ash s carried out to evaluate the effect of bagasse ash on the California bearing ratio of lateritic soil. on the California bearing ratio of lateritic soil. on the California bearing ratio of lateritic soil. on the California bearing ratio of lateritic soil. Laboratory tests were performed on the natural and bagasse ash treated soil samples in accordance with BS 1377 Laboratory tests were performed on the natural and bagasse ash treated soil samples in accordance with BS 1377 Laboratory tests were performed on the natural and bagasse ash treated soil samples in accordance with BS 1377 Laboratory tests were performed on the natural and bagasse ash treated soil samples in accordance with BS 1377 (1990) and BS 1924 (1990) respectively. Treated specimens were prepared by mixing the soil wi (1990) and BS 1924 (1990) respectively. Treated specimens were prepared by mixing the soil wi (1990) and BS 1924 (1990) respectively. Treated specimens were prepared by mixing the soil wi (1990) and BS 1924 (1990) respectively. Treated specimens were prepared by mixing the soil with th th th bagasse ash in bagasse ash in bagasse ash in bagasse ash in steps of 0, 2, 4, 6 and 8 % by weight of dry soil steps of 0, 2, 4, 6 and 8 % by weight of dry soil steps of 0, 2, 4, 6 and 8 % by weight of dry soil steps of 0, 2, 4, 6 and 8 % by weight of dry soil and contaminating it with used oil in steps of 0, 2, 4, and 6 % by and contaminating it with used oil in steps of 0, 2, 4, and 6 % by and contaminating it with used oil in steps of 0, 2, 4, and 6 % by and contaminating it with used oil in steps of 0, 2, 4, and 6 % by weight of dry soil weight of dry soil weight of dry soil weight of dry soil. The preliminary. The preliminary. The preliminary. The preliminary laboratory laboratory laboratory laboratory investigation carried out on the natural lateritic soil shows that it investigation carried out on the natural lateritic soil shows that it investigation carried out on the natural lateritic soil shows that it investigation carried out on the natural lateritic soil shows that it fall fall fall falls under Silt s under Silt s under Silt s under Silt-Clay material of Group A Clay material of Group A Clay material of Group A Clay material of Group A-6 using AASHTO classification and inorganic clay material 6 using AASHTO classification and inorganic clay material 6 using AASHTO classification and inorganic clay material 6 using AASHTO classification and inorganic clay material of low to of low to of low to of low to medium plasticity medium plasticity medium plasticity medium plasticity CL according to Unified Soil Classification System (USCS). The specific gravity of the soil samples CL according to Unified Soil Classification System (USCS). The specific gravity of the soil samples CL according to Unified Soil Classification System (USCS...

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Section: The Unsoaked California Bearing Ratio Values Bearing Ratio Vmentioning

confidence: 99%

Section: The Unsoaked California Bearing Ratio Values Bearing Ratio Vmentioning

confidence: 99%

Assessment of Bagasse Ash Effect on the California Bearing Ratio of Used Oil Contaminated Lateritic Soils

2015

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“…Moreover, windblown dune sand covers some areas of northeast Kuwait, which is uniform soil that has high permeability. The surface windblown dune sands are easily influenced by saturation [5,6] and are described as poorly graded soil that has high permeability [7], [8] and [9]. Sabkha flats are a major part of northern and southern coastal deposits.…”

Section: Introductionmentioning

confidence: 99%

Determination of the Collapse Potential of Sabkha Soil and Dune Sand Arid Surface Soil Deposits in Kuwait

Al-Otaibi

Aldaihani

2021

Jurnal Teknologi

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Ensuring the sustainability of critical and limited natural soil resources is a major challenge in arid regions such as Kuwait. Investigations should be performed to identify and characterise collapsible surface soil deposits, and collapse potential should be assessed if possible in order to evaluate suitable stabilizing techniques. The cementation effect of different types of salts gives arid soils their considerable strength and stiffness in dry conditions. The collapse in these soils may occur due to the reduction of the chemical or physical bonds between the soil particles under wet conditions. Collapse Potential (CP) is an indication of the collapsibility of these soils. This paper presents the results of experimental work that was carried out to evaluate the collapse potential of two types of surface soil: sabkha soil and dune sand. The experimental program included physical and chemical soil characterization alongside a modified compaction test. The collapsibility of the soil at a stress of 200 kPa was obtained by performing a Single Collapse Test (SCT) via a conventional odometer device in a temperature- and humidity-controlled environment. Collapse potential index tests were performed on the tested soil samples collected from eight locations in two study areas. The results suggest the problem severity is slight to none. However, the CP was higher for the sabkha soil samples than for the dune sand samples. The increase in collapsibility of the sabkha soil samples may be attributed to the removal of bonding between cementing particles upon wetting.

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“…It is apparent from the foregoing that knowledge of the groundwater regime forms a significant part of the interpretation and of the ground model. Leakage of water supply pipes and over irrigation in cities can lead to solution of salts and carbonate formations, generating surface sinkholes (as reported by Al-Rifaiy 1990) and resulting in considerable loss of soil strength (as described by Al-Sanad et al 1990). Consideration has, therefore, to be given to long-term variation in the groundwater level.…”

Section: Ground Investigation Testing and Interpretation Of Resultsmentioning

confidence: 99%

Chapter 7 Ground investigation, testing and interpretation of results

Epps

Higginbottom

West

2012

EGSP

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The influence of changing groundwater levels on the geotechnical behaviour of desert sands

Cited by 15 publications

References 4 publications

Assessment of Bagasse Ash Effect on the California Bearing Ratio of Used Oil Contaminated Lateritic Soils

Assessment of Bagasse Ash Effect on the California Bearing Ratio of Used Oil Contaminated Lateritic Soils

Determination of the Collapse Potential of Sabkha Soil and Dune Sand Arid Surface Soil Deposits in Kuwait

Chapter 7 Ground investigation, testing and interpretation of results

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