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Experimental study of bearing capacity effect in swelling soil

Mohammed A. N., Khalil A. A.

International Journal of Applied Mechanics and Engineering

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2021

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Vol. 26, no. 4

167--178

EN

The current study aims to investigate the effects of swell pressure on the bearing capacity of swelling soil. A model and some laboratory tests have been created to investigate the swell pressure effect on the bearing capacity variation of soil swelling due to swelling pressure. The influence of varying water content [...] and dry unit weight [...] on the shear strength and swelling pressure was studied. The soil has been taken from Diwan Residential Compound-Mosul. It is classified as highly swelling soil. The swell pressure of soils at their natural water content reached [...]. Experiment results show that the parameters of shear resistance decreased with the [...] wcincrease at the constant value of [...], and increased with the [...] increase when the [...] was constant. Results show that the swelling pressure decreased with the wc increase, while it increased with the [...] increase. Also, the results obtained using was model show that the resistance of bearing capacity of pre-saturated selected soil was [...], while the bearing capacity was [...] when taking into account in the generation of swelling pressure.

2

Prediction of swell pressure in Neogene clays from Warsaw, based on the swell index

Gawriuczenkow I., Wójcik E.

Geology, Geophysics and Environment

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2018

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Vol. 44, no. 2

219--229

EN

The paper presents the results of swell measurements of Neogene clays (Posnanian clay) from the Mazovia region with different grain size distribution and mineral composition. The study was conducted with model soil with initial moisture contents of 15%, 20%, 25% and 30%. The basic physical properties of clays, their mineral composition and swelling parameters such as free swelling index and swelling pressure were determined. Free swell index was correlated to liquid limit, plasticity index, clay content and water content. A very high fit was found for a proposed relationship between the free swell index and swell pressure which offers an inexpensive method of predicting swell pressure in the preliminary stages of site investigation.

3

Skład mineralny gruntów spoistych a ich właściwości deformacyjne

Gawriuczenkow Ireneusz

Geologos

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2007

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Vol. 11

455--462

PL

W artykule przedstawiono wpływ zawartości minerałów ilastych na niektóre właściwości deformacyjne gruntów spoistych, takie jak pęcznienie, ciśnienie pęcznienia, odkształcenie. Badania przeprowadzono na próbkach o strukturze naruszonej i modelowanym składzie mineralnym. Zbadano wpływ najczęściej występujących minerałów ilastych w gruntach spoistych (beidellitu i kaolinitu) na właściwości deformacyjne.

EN

The paper presents influence of clay mineral composition on selected clay soils deformation properties, namely: free swell, swelling pressure, strain. The examined samples had disturbed structure and modeled mineral composition. The influence of the most occurring clay minerals (beidellite and kaolinite) on the deformation properties of soils were tested.