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RISGeotechnical Properties of Laponite-Treated Sands in Reliquefaction Events
Publisher: ASCE
Abstract: Laponite is a nanomaterial that can modify the behavior of the fluid in which it is dispersed, transforming it into a non-Newtonian fluid with initial low viscosity that hardens with time. Additionally, since the gel ...
Liquefaction Resistance of Sandy Soils under Partially Drained Condition
Publisher: American Society of Civil Engineers
Abstract: In order to simulate the effect of drainage on soils adjacent to gravel drains that are installed as countermeasure against liquefaction, several series of cyclic triaxial tests were performed on saturated sands under ...
Influence of Gravel on the Compression Characteristics of Decomposed Granite Soil
Publisher: American Society of Civil Engineers
Abstract: Large-scale one-dimensional compression tests were performed in order to analyze the influence of gravel on the compression properties of gravel-mixed decomposed granite soils. After adjusting the gravel contents of the ...
Closure to “Influence of Gravel on the Compression Characteristics of Decomposed Granite Soil” by Tae-Gew Ham, Yukio Nakata, Rolando P. Orense, and Masayuki Hyodo
Publisher: American Society of Civil Engineers
Initial Shear Modulus of Remolded Sand-Clay Mixtures
Publisher: American Society of Civil Engineers
Abstract: This paper presents the dynamic properties of undisturbed and remolded clays and sand-clay mixtures based on the results of undrained hollow cylindrical torsional cyclic simple shear tests. The clays were obtained from ...
Seismic Simulation Testing of PVC-U Pipe and Proposed Design Prediction Tool for Joint Performance
Publisher: ASCE
Abstract: Prior to the 2010–2011 Christchurch earthquake sequence in New Zealand, buried pipes were thought to be tested with respect to all expected significant loadings as specified by material standards, such as AS/NZS 1477 for ...
Empirical Assessment of Liquefaction Resistance of Crushable Pumiceous Sand Using Shear Wave Velocity
Publisher: American Society of Civil Engineers
Abstract: Sands consisting of pumice particles are found in the northern part of the North Island of New Zealand. These pumice sands are highly crushable, compressible, and lightweight due to the vesicular nature of the particles, ...
Signature Failure Modes of Pipelines Constructed of Different Materials When Subjected to Earthquakes
Publisher: American Society of Civil Engineers
Abstract: The 2010/2011 Canterbury (New Zealand) earthquakes caused significant damage to buried pipeline infrastructure. Observations of damaged pipes that were made during either repair or replacement were used to define representative ...
Strain-Dependent Dynamic Properties of Remolded Sand-Clay Mixtures
Publisher: American Society of Civil Engineers
Abstract: A series of undrained cyclic torsional simple shear tests using hollow cylindrical torsional shear apparatus was carried out to investigate the dynamic shear moduli and damping properties of clayey specimens with various ...
Signature Failure Modes of Pipelines Constructed of Different Materials When Subjected to Earthquakes
Publisher: American Society of Civil Engineers
Abstract: The 2010/2011 Canterbury (New Zealand) earthquakes caused significant damage to buried pipeline infrastructure. Observations of damaged pipes that were made during either repair or replacement were used to define representative ...