Effect Of The Clay Fraction On Some Mechanical Properties Of Lime Soil Mixtures

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1/28/2019

https://trid.trb.org/view/187772

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EFFECT OF THE CLAY FRACTION ON SOME MECHANICAL PROPERTIES OF LIME-SOIL MIXTURES Arti cially prepared, lime-treated mixtures of sand-clay were studied in the laboratory. The experimental programme was arranged with two types of clay mineral (kaolinite and montmorillonite), three levels of clay content (10,30 and 50 per cent), four levels of lime content for the kaolinite soils (0,2,4,8 per cent) and ve levels for the montmorillonite soils (0,2,4,8,12 per cent). Two periods of curing (seven and 28 days) were employed. Firstly the maximum dry density optimum moisture content relationships for the 27 di erent mixtures were determined using one compactive e ort. Test specimens for these mixtures were then fabricated at their corresponding optimum compaction conditions. The e ect of the type and content of the clay fraction on the specimens' compressive strength, Q, cohesion, C, angle of internal friction, phi, and elastic modulus, e, was determined. The results showed that regardless of the clay content in the soil, increases in the values of q, C, and e due to lime-treatment are signi cantly higher for the montmorillonite than for the kaolinite specimens. Generally the most signi cant increase in any of these parameters occurs at two per cent lime for the kaolinite specimens, while for the montmorillonite specimens these strength parameters tend to develop progressively with lime content up to about eight per cent or even beyond. The pattern of increase in the angle of internal friction due to lime treatment is comparable for the two types of soil. The most signi cant increase occurs mostly up to two per cent lime where it reaches about 10 degrees. Good correlations between uncon ned compressive strength and both cohesion and elastic modulus were observed. Linear regression equations for the prediction of and e for lime-treated soils from known values of g were accordingly established. (Author/TRRL) Availability: Find a library where document is available. Order URL: http://worldcat.org/issn/03066452 (http://worldcat.org/issn/03066452) Corporate Authors: Whitehall Press Limited https://trid.trb.org/view/187772

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Headington Hill Hall Oxford 0X3 0BW,   England  Authors: Lees, G Abdelkater, M O Hamdani, S K Publication Date: 1982-11

Media Info Features: Figures; References; Tables; Pagination: p. 2-9 Serial: Highway Engineer (/Results?q=&serial="Highway%20Engineer") Volume: 29 Issue Number: 11 Publisher: Whitehall Press Limited ISSN: 0306-6452

Subject/Index Terms TRT Terms: Calcium oxide (/Results?q=&datein=all&index="Calcium%20oxide"); Clay (/Results?q=&datein=all&index="Clay"); Cohesion (/Results? q=&datein=all&index="Cohesion"); Compression (/Results? q=&datein=all&index="Compression"); Compressive strength (/Results? q=&datein=all&index="Compressive%20strength"); Concrete curing (/Results? q=&datein=all&index="Concrete%20curing"); Correlation analysis (/Results? q=&datein=all&index="Correlation%20analysis"); Density (/Results? q=&datein=all&index="Density"); Dry density (/Results? q=&datein=all&index="Dry%20density"); Friction (/Results? q=&datein=all&index="Friction"); Kaolin (/Results?q=&datein=all&index="Kaolin"); Kaolinite (/Results?q=&datein=all&index="Kaolinite"); Liming of soils (/Results? q=&datein=all&index="Liming%20of%20soils"); Mechanical properties (/Results? q=&datein=all&index="Mechanical%20properties"); Modulus of elasticity (/Results? q=&datein=all&index="Modulus%20of%20elasticity"); Moisture content (/Results? q=&datein=all&index="Moisture%20content"); Montmorillonite (/Results? q=&datein=all&index="Montmorillonite"); Sand (/Results?q=&datein=all&index="Sand"); Soil compaction (/Results?q=&datein=all&index="Soil%20compaction"); Soil stabilization (/Results?q=&datein=all&index="Soil%20stabilization"); Strength of materials (/Results? q=&datein=all&index="Strength%20of%20materials") Uncontrolled Terms: Friction angle (/Results?q=&datein=all&index="Friction%20angle") Old TRIS Terms: Dry density (Soils) (/Results? q=&datein=all&index="Dry%20density%20(Soils)") https://trid.trb.org/view/187772

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ITRD Terms: 4177: Clay (/Results?q=&datein=all&index="Clay"); 5903: Cohesion (/Results? q=&datein=all&index="Cohesion"); 5532: Compression (/Results? q=&datein=all&index="Compression"); 5908: Density (/Results? q=&datein=all&index="Density"); 5452: Friction (/Results?q=&datein=all&index="Friction"); 4189: Kaolinite (/Results?q=&datein=all&index="Kaolinite"); 4574: Lime (/Results? q=&datein=all&index="Lime"); 5919: Modulus of elasticity (/Results? q=&datein=all&index="Modulus%20of%20elasticity"); 5920: Moisture content (/Results? q=&datein=all&index="Moisture%20content"); 4166: Montmorillonite (/Results? q=&datein=all&index="Montmorillonite"); 4105: Sand (/Results? q=&datein=all&index="Sand"); 3689: Soil stabilization (/Results? q=&datein=all&index="Soil%20stabilization"); 5544: Strength (mater) (/Results? q=&datein=all&index="Strength%20(mater)") Subject Areas: Data and Information Technology; Geotechnology; Highways; Materials; I33: Other Materials used in Pavement Layers;

Filing Info Accession Number: 00370564 Record Type: Publication Source Agency: Transport Research Laboratory Files: ITRD, TRIS Created Date: (/edit/187772)Feb 28 1983 12:00AM

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