Production of Waste Rubber-Made Geogrid Reinforcement for Strengthening Weak Soils

Fattah, Mohammed Y.; Yousif, Mustafa A.; Rasheed, Anwar L. Mohammed

doi:10.1007/978-981-15-9399-4_23

Cited by 1 publication

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“…Minuto and Morandi [31] proposed the concept of "reinforcement of soil-rock mixture" In the study of the interaction mechanism of the reinforcement-soil interface, the pull-out test has been widely used as an important research method [32][33][34][35][36][37].…”

Section: Introductionmentioning

confidence: 99%

Influence of Stone Shape Factor on the Pull-Out Resistance of Geogrid in the Soil-Rock Mixture

Sun

Wang

2022

Advances in Materials Science and Engineering

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In this paper, the particle shape factor of the stone in the soil-rock mixture was used as the specific research object of the geogrid pull-out test, combining the random generation method and evaluation criteria of rock blocks in the soil-rock mixture, and a feasible method for classifying stones according to their shape factors is presented. By comparing the mechanical behavior of soil-rock mixture composed of rock blocks with different rock material shape factors in the geogrid pull-out tests under different working conditions, we studied its changing laws. The research shows that with the increase of the shape factor of the stone, the pull-out resistance of the geogrid gradually decreases. When the stone paved in the model box changes from a single layer to a double layer, the pull-out resistance of the geogrid increases, and there is a disturbance range in the contact interface between the geogrid and the stone; stone blocks 5 cm away from the geogrid surface can still have an indirect effect on the pull-out resistance of geogrids; the pull-out resistance of geogrid in clay is greater than that in the sand; and an empirical expression for predicting the pull-out resistance of geogrids is obtained. This empirical expression helps to explain the influence mechanism of stone shape on drawing resistance of geogrid.

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