Effect of Crusher Dust-Geogrid Composite on Interface Shear Strength
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 1
Abstract
Modern geotechnical practice often uses technique of reinforced soil – a composite of soil and reinforcement mostly geogrids. In civil engineering application geogrid is widely use to reinforce embankment, retaining wall, roads and railway ballast. Therefore studying the geogrid soil interaction is important for any successful design. In this paper, a new type of geogrid has been evaluated for the interaction properties for different backfill soils using direct shear test. The test results are compared based on the type of sands and interface mechanical property. Two soils namely natural sand and crusher dust in combination with three different geogrids are tested at various loading conditions in direct shear test. High angles of internal friction of these materials are determined using direct shear, ranging from ϕ = 55.92 ̊to 57.26 ̊while the crusher dust is characterized as ϕ = 53.69 . The addition of geogrid of three different sizes to the crusher dust led to an ̊ immediate increase in friction angle. By attaining high angle of internal friction, bearing capacity and reduction in total active earth pressure as that of sand, crusher dust can be used as an alternative material in geotechnical activities.
Authors and Affiliations
Prithviraj Sawant, Rahul Sanap, Swapnil Shinde, Onkar Salunke, Shailendra Banne
Keywords
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- EP ID EP437674
- DOI 10.9790/1684-1501021220.
- Views 72
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