Name: Constitutive Soil Properties for Cuddeback Lake, California and Carson Sink, Nevada (en Inglés)
Price: 111.01 PEN
Availability: InStock
Author: Thomas, Michael a. ; Nasa Technical Reports Server (Ntrs) ; Et Al
ISBN: 9781289235291

portada Constitutive Soil Properties for Cuddeback Lake, California and Carson Sink, Nevada (en Inglés)

Constitutive Soil Properties for Cuddeback Lake, California and Carson Sink, Nevada (en Inglés)

Formato

Libro Físico

Autor

Nasa Technical Reports Server (Ntrs)

Michael a. Thomas

Editorial

Bibliogov

Idioma

Inglés

N° páginas

152

Encuadernación

Tapa Blanda

Dimensiones

24.6 x 18.9 x 0.8 cm

Peso

0.29 kg.

ISBN13

9781289235291

Categorías

Política y gobierno

Constitutive Soil Properties for Cuddeback Lake, California and Carson Sink, Nevada (en Inglés)

Nasa Technical Reports Server (Ntrs) (Autor) · Michael a. Thomas (Autor) · Bibliogov · Tapa Blanda

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Reseña del libro "Constitutive Soil Properties for Cuddeback Lake, California and Carson Sink, Nevada (en Inglés)"

Accurate soil models are required for numerical simulations of land landings for the Orion Crew Exploration Vehicle. This report provides constitutive material modeling properties for four soil models from two dry lakebeds in the western United States. The four soil models are based on mechanical and compressive behavior observed during geotechnical laboratory testing of remolded soil samples from the lakebeds. The test specimens were reconstituted to measured in situ density and moisture content. Tests included: triaxial compression, hydrostatic compression, and uniaxial strain. A fit to the triaxial test results defines the strength envelope. Hydrostatic and uniaxial tests define the compressibility. The constitutive properties are presented in the format of LS-DYNA Material Model 5: Soil and Foam. However, the laboratory test data provided can be used to construct other material models. The four soil models are intended to be specific only to the two lakebeds discussed in the report. The Cuddeback A and B models represent the softest and hardest soils at Cuddeback Lake. The Carson Sink Wet and Dry models represent different seasonal conditions. It is possible to approximate other clay soils with these models, but the results would be unverified without geotechnical tests to confirm similar soil behavior.