Search Results - "S.N. Moghaddas Tafreshi"

Cyclic and post-cycling anchor response in geocell-reinforced sand by Moghaddas Tafreshi, S.N, Rahimi, M, Dawson, A.R, Leshchinsky, B

“…Plate anchors are commonly used to resist static, cyclic, and monotonic post-cyclic uplift loads. Under cyclic loading, progressive sudden failure may occur,…”
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Experimental and numerical investigation of the uplift capacity of plate anchors in geocell-reinforced sand by Rahimi, M., Moghaddas Tafreshi, S.N., Leshchinsky, B., Dawson, A.R.

“…Plate anchors are frequently used to provide resistance against uplift forces. This paper describes the reinforcing effects of a geocell-reinforced soil layer…”
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Bearing capacity of a square model footing on sand reinforced with shredded tire – An experimental investigation by Moghaddas Tafreshi, S.N., Norouzi, A.H.

“…► Using waste tires in civil applications may be feasible to consume the scrap tires. ► Shredded rubber mixed with soil acts as reinforcing materials beneath…”
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Laboratory tests of small-diameter HDPE pipes buried in reinforced sand under repeated-load by Moghaddas Tafreshi, S.N., Khalaj, O.

“…This paper describes laboratory tests on small-diameter high-density polyethylene (HDPE) pipes buried in reinforced sand subjected to repeated loads to…”
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Protection of buried pipe using soil bag by A. F. Ahmadian, S.N. Moghaddas Tafreshi

“…In recent years, geosynthetics have been increasingly used to reinforce soil mass on pipes under static and repetitive loads. Soilbags are also effective for…”
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Vibration response of closely spaced footings protected by use of rubber sheet: An in-situ investigation by Moghaddas Tafreshi, S.N., Zakeri, R., Dawson, A.R.

“…It is essential to protect sensitive equipment located in the vicinity of vibration sources (VS). As the well-known method of using wave barriers is…”
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Design and Construction of an apparatus for Evaluation of Dynamic Response of Machine Foundation and Equivalent Dynamic Properties of Subsoil Bed by S.N. Moghaddas Tafreshi, R. Zakeri

“…Machine foundations induce a wide range of dynamic shear strains in foundation bed. Dynamic properties of soils including the damping ratio and the dynamic…”
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Sustainable use of End-of-Life-Tires (ELTs) in a vibration isolation system by Moghaddas Tafreshi, S.N., Amiri, A., Dawson, A.R

“…•End-of-Life Tires (ELTs) as rubber-soil-mixture (RSM) used as geotechnical seismic isolation (GSI) for machine foundations.•Optimum rubber content, RSM…”
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Scale effect on the behavior of geocell-reinforced soil by Tavakoli Mehrjardi, Gh, Behrad, R., Moghaddas Tafreshi, S.N.

“…Existing studies confirmed that the response of geocell-reinforced beds is directly affected by contributory factors, including soil's grains, geocell's…”
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Vibration response of machine foundations protected by use of adjacent multi-layer geocells by Amiri, A., Moghaddas Tafreshi, S.N., Dawson, A.R.

“…The response of soil beds reinforced with multi-layer geocell systems that support machine foundations is investigated by laboratory testing that incorporates…”
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Performance of recycled waste aggregate mixed with crushed glass over a weak subgrade by Moghaddas Tafreshi, S.N., Khanjani, A.A., Dawson, A.R., Faramarzi, A.

“…•Effect of Construction and Demolition Waste (CDW) alone or mixed with Crushed Waste Glass (CWG) are investigated.•The bearing pressure with CDW layers…”
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Influence of rubber sheet on dynamic response of machine foundations by Zakeri, R., Moghaddas Tafreshi, S.N., Dawson, A.R., Baidya, D.K.

“…•Effect of some factors are investigated on dynamic response of a machine foundation.•Rubber sheet thickness affects damping ratio, resonance frequency and…”
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Response of pavement foundations incorporating both geocells and expanded polystyrene (EPS) geofoam by Siabil, S.M.A. Ghotbi, Tafreshi, S.N. Moghaddas, Dawson, A.R.

“…The suitability of geocell reinforcement in reducing rut depth, surface settlements and/or pavement cracks during service life of the pavements supported on…”
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Evaluation of arched EPS block and geocell inclusions in trench backfill for protection of buried flexible pipes by Moghaddas Tafreshi, S.N., Joz Darabi, N., Azizian, M., O'Kelly, B.C., Faramarzi, A.

“…This paper presents an experimental investigation examining the novel idea of employing curved expanded-Polystyrene (EPS) blocks that arch around the upper…”
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Experimental evaluation of an expanded polystyrene (EPS) block-geogrid system to protect buried pipes by Azizian, M., Tafreshi, S.N. Moghaddas, Darabi, N. Joz

“…This study presents the results of experimental tests carried on buried uPVC (unplasticized polyvinyl chloride) pipes with an external diameter of 160 mm. The…”
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Combining EPS geofoam with geocell to reduce buried pipe loads and trench surface rutting by Tafreshi, S.N. Moghaddas, Darabi, N. Joz, Dawson, A.R.

“…This paper reports full scale experiments, under simulated heavy traffic, of geocell and EPS (expanded polystyrene) geofoam block inclusions to mitigate the…”
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Comparison of bearing capacity of a strip footing on sand with geocell and with planar forms of geotextile reinforcement by Tafreshi, S.N. Moghaddas, Dawson, A.R.

“…Comprehensive results from laboratory model tests on strip footings supported on the geocell and planar reinforced sand beds with the same characteristics of…”
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Protection of Buried Utilities against Repeated Loading: Application of Geogrid-EPS Geofoam System by Abdollahi, M, Moghaddas Tafreshi, S. N, Leshchinsky, B

“…Abstract Expanded polystyrene (EPS) geofoam is commonly used as lightweight fill materials in wide range of geotechnical engineering applications including…”
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Repeated loading of soil containing granulated rubber and multiple geocell layers by Tafreshi, S.N. Moghaddas, Khalaj, O., Dawson, A.R.

“…Sandy soil/aggregate, such as might be required in a pavement foundation over a soft area, was treated by the addition of one or more geocell layers and…”
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Combined use of geocell reinforcement and rubber–soil mixtures to improve performance of buried pipes by Tavakoli Mehrjardi, Gh, Moghaddas Tafreshi, S.N., Dawson, A.R.

“…Service trench provision and maintenance of buried pipes represent major cost items in the utilities industry. Using recycled material in order to optimize the…”
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