Search Results - "Parsons, Robert"
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Mitigation of seasonal temperature change-induced problems with integral bridge abutments using EPS foam and geogrid
Published in Geotextiles and geomembranes (01-10-2021)“…Expansion of bridge girders in summer moves integral bridge abutments toward backfill, causing high lateral earth pressures behind the abutment. Some backfill…”
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Settlement and Horizontal Earth Pressure behind Model Integral Bridge Abutment Induced by Simulated Seasonal Temperature Change
Published in Journal of geotechnical and geoenvironmental engineering (01-06-2022)“…AbstractExpansion and contraction of an integral abutment bridge cause an abutment to move toward and away from its backfill due to seasonal temperature…”
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Geosynthetic reinforcement of backfill behind integral abutments to mitigate approach slab distresses
Published in Engineering structures (15-10-2022)“…•Differential settlement or bump at end of bridge is a common geotechnical and structural problems for integral bridge abutments.•Approach slabs are commonly…”
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Numerical evaluation of secondary reinforcement effect on geosynthetic-reinforced retaining walls
Published in Geotextiles and geomembranes (01-02-2020)“…A finite difference method was employed to evaluate the effect of secondary reinforcement on the performance of Geosynthetic-Reinforced Retaining (GRR) walls…”
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Consumer attitudes about electric cars: Pricing analysis and policy implications
Published in Transportation research. Part A, Policy and practice (01-11-2014)“…As electric vehicles (EVs) become more readily available, sales will depend on consumers' interest and understanding. A survey of consumer attitudes on…”
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Field Instrumentation and Evaluation of Modular-Block MSE Walls with Secondary Geogrid Layers
Published in Journal of geotechnical and geoenvironmental engineering (01-12-2016)“…AbstractMechanically stabilized earth (MSE) walls reinforced with geosynthetic have been used extensively in highway projects around the world. Typical…”
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Numerical analysis of geosynthetics to mitigate seasonal temperature change-induced problems for integral bridge abutment
Published in Acta geotechnica (01-02-2023)“…Expansion and contraction of bridge decks move integral bridge abutments (IABs) toward and away from the backfill, resulting in high horizontal earth…”
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Analysis of laterally loaded piles in soft clay considering scour-hole dimensions
Published in Ocean engineering (01-01-2016)“…Scour is a process of soil erosion around foundations, resulting in a reduced capacity of the foundations or even failure of the structures. When there are…”
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Field monitoring of wicking geotextile to reduce soil moisture under a concrete pavement subjected to precipitations and temperature variations
Published in Geotextiles and geomembranes (01-10-2022)“…Wicking geotextile can reduce water contents in pavement layers under unsaturated conditions due to capillary action through grooves of wicking fibers…”
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Winter Happens: The Effect of Ambient Temperature on the Travel Range of Electric Vehicles
Published in IEEE transactions on vehicular technology (01-06-2016)“…The operation of electric vehicles in cold weather is a concern, but there is not a lot of literature available regarding the precise nature of impacts on…”
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Time-Lapse Shear-Wave Velocity Changes Corresponding to Stages of Soil Arching Using a Trapdoor and the Multichannel Analysis of Surface Waves
Published in International journal of geomechanics (01-10-2024)“…Abstract In this study, a subsidence simulator, also known as a trapdoor, is used to evaluate stages of soil arching (a load transfer mechanism), and related…”
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Three-dimensional numerical analysis of individual geotextile-encased sand columns with surrounding loose sand
Published in Geotextiles and geomembranes (01-12-2018)“…Use of geotextile-encased sand columns (GESC) to improve weak soils is an emerging technology that has great promise for field applications. This paper…”
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The evolutionary and ecological significance of phylloclade formation: A morpho-anatomical approach
Published in Current opinion in plant biology (01-06-2024)“…Instead of leaves, in a few species the main photosynthetic organ is a flattened structure that can be a modified branch (e.g. Ruscus, Jacksonia) or a fused…”
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Laboratory Study on Geosynthetic Protection of Buried Steel-Reinforced HDPE Pipes from Static Loading
Published in Journal of geotechnical and geoenvironmental engineering (01-06-2014)“…AbstractGeosynthetic layers above a pipe can potentially reduce the deflection and strain in the pipe attributable to static loads. This paper discusses the…”
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Phylloclades of Jacksonia (Fabaceae)—leaf-like branches as adaptation to seasonally arid environments
Published in Botanical journal of the Linnean Society (24-09-2024)“…Leaves of seed plants were evolutionarily derived through syngenesis (fusion) of the photosynthetic cylindrical axes of the earliest land plants and subsequent…”
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Effects of Traffic Loading on Seasonal Temperature Change-Induced Problems for Integral Bridge Approaches and Mitigation with Geosynthetic Reinforcement
Published in International journal of geomechanics (01-06-2022)“…Abstract Approach slabs are commonly used to smooth the transition between an integral bridge abutment and its adjacent backfill-supported pavement where…”
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Field Pullout Tests of Steel Strips in Lightweight Cellular Concrete Backfill
Published in Journal of geotechnical and geoenvironmental engineering (01-05-2022)“…AbstractUse of lightweight cellular concrete (LCC) as backfill for mechanically stabilized earth (MSE) walls in place of the standard aggregate backfill can…”
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Factors Influencing Deformations of Geocell-Reinforced Recycled Asphalt Pavement Bases under Cyclic Loading
Published in Journal of materials in civil engineering (01-03-2017)“…AbstractA significant amount of recycled asphalt pavement (RAP) material is produced from flexible pavement rehabilitation projects. RAP can be used as a base…”
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Analysis of Laterally Loaded Piles in Sand Considering Scour Hole Dimensions
Published in Journal of geotechnical and geoenvironmental engineering (01-06-2014)“…AbstractScour is a process of soil erosion, which can occur around the foundations of bridges or offshore structures through the action of flowing water; it…”
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