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Showing 1 to 19 of 19 for “"Earth Pressures"”.
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Experimental study of earth pressures on retaining structures
… laboratory and field experimental studies of earth pressures exerted on retaining structures and laboratory studies of the at-rest earth pressure coefficient are summarized. The current methods used to evaluate the earth pressures due to compaction are reviewed. The design features of a new …
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Earth Pressures on Braced Excavations in Soft Clay, Oslo Subway
Made available in DSpace on 2014-12-05T17:37:20Z (GMT). No. of bitstreams: 1 6104323.pdf: 5530709 bytes, checksum: a09d63e439a827e6d2dfe3eb05ed2a10 (MD5) Previous issue date: 1961
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Sand Deformation Mechanisms and Earth Pressures Mobilised with Retaining Wall Movements
… exploration of sand deformation mechanisms and earth pressure behaviours mobilised with retaining wall movements. The first group of six centrifuge tests was conducted to investigate loose and dense Hostun sand behaviours with a complete set of rigid wall movement modes, i.e. rotation about the …
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At-rest and compaction-induced lateral earth pressures of moist soils
… of investigating at-rest and compaction-induced earth pressures in moist soils. The device has a split oedometer ring, and horizontal stresses are measured using load cells which support one half of the ring. Rapid cyclic loading was applied to compacted soil specimens, using a digital pressure …
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Determination of Seismic Earth Pressures on Retaining Walls Through Finite Element Analysis
<p>Seismic pressures on displacing or rigid retaining or basement walls have been derived based on the original work of Mononobe and Okabe, who used a shake table to calculate dynamic pressures of displacing retaining walls existing in cohesionless soils. Since this original work was done over …
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Scale Model Shake Table Testing of Seismic Earth Pressures in Soft Clay
… tests to investigate the development of seismic earth pressures in soft clay. The soft clay was modeled after prototype San Francisco Bay Mud consisting of a mixture of kaolinite, bentonite, class C fly ash and water. A flexible walled testing container founded on a 1g shake table was used to …
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SEISMIC ANALYSES OF SLOPE STABILITY AND LIMITING EARTH PRESSURES ACTING ON RETAINING STRUCTURES
… of a soil slope and assess seismic limiting earth pressures acting on retaining structures. Such an analysis enables one to account for varying soil properties and complicated earthquake inputs, since it combines the advantages of discretization technique and upper bound theorem. The …
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An investigation of lateral support systems by the finite element method
… assumptions are made concerning the lateral earth pressures acting on the structure to determine the support system characteristics. No information with regard to the deformation of the soil adjacent to the structure can be provided. The objective of this thesis is to examine the finite …
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Finite element analysis of tunnel protection structure: West Side Highway Project, New York
… pattern. An analysis using the at-rest earth pressures only, is performed as a baseline for comparison with the finite element predictions using the iterative substructure approach. The predicted earth pressures are determined using the iterative substructure approach and are found to …
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Evaluating Performance of Hybrid Geosynthetic-Reinforced Retaining Walls
… reinforcement only (i.e., the control section). Earth pressure cells, inclinometer casings and probes, and foil-type strain gauges were used in these three test wall sections to measure vertical and lateral earth pressures, accumulated lateral wall facing deflections, and strains of primary and …
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Lateral Spreading Mechanics of Column-Supported Embankments
… displacements occurring in response to lateral earth pressures in the embankment and foundation. Excessive lateral spreading can lead to bending failure of the concrete columns, tensile failure of the geosynthetic reinforcement, and instability of the system. Design procedures recommend …
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Seismic performance of single-propped retaining walls
… the wall deflections, bending moments, earth pressures and surface settlements for each of the applied ground motions. Based on the horizontal deflection of the walls, three distinct categories of performance were observed and characterized. Results of the parametric study were …
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Integral bridge abutment and backfill behaviour
… ratcheting — which results in increased lateral earth pressures along with settlement at the bridge approach. Uncertainty surrounding strain ratcheting is reflected through design restrictions. This research investigated strain ratcheting and ways it can be limited through smarter design. …
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Estudo em modelo reduzido, em material granular, do comportamento de sistemas de contenção, paredes ancoradas e solo reforçado, utilizando um tipo não convencional de reforço e ancoragem
… structures, anchored walls and reinforced earth. The anchorage and reinforcing elements used, a non conventional type, were studied under different configurations. The anchorages, as the reinforcing elements are made of small plates fixed along a steel cable. It is a rigid wall and the …
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A study of the response of geosynthetic reinforced flexible pavement test sections to dynamic loading
… Load induced dynamiC and cumulative vertical earth pressures within the subgrade were monitored, analyzed, and compared for a series of reinforced and unreinforced test sections. Composite section stiffness was calculated and compared among test sections with similar subgrade CBR values.
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Performance of a propped retaining wall at the CTRL, Ashford
… Pile bending moments, prop loads, pore water pressures and<br/>lateral earth pressures were logged automatically at intervals of up to 5 minutes<br/>throughout construction (and for 4 years afterwards) and wall deflections were measured<br/>during construction, making this the most …
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Multi-Hazard Modelling of Dual Row Retaining Walls
The recent 2011 T$\overline{o}$hoku earthquake and tsunami served as a stark reminder of the destructive capabilities of such combined events. Civil Engineers are increasingly tasked with protecting coastal populations and infrastructure against more severe multi-hazard events. Whilst the …
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IMPACT OF SOIL-STRUCTURE INTERACTION ON SEISMIC BEHAVIOUR OF INTEGRAL ABUTMENT BRIDGES
… and catastrophic flooding. In addition, strong earthquakes, such as the 2023 Turkey-Syria earthquake and the 2024 Noto earthquake in Japan, have shed light on the consequences of these natural events for both livelihoods and infrastructure. Although the occurrence time of these earthquakes and …