Shear strength of a retorted and combusted oil shale solid waste
Conference
·
· Oil Shale Symposium Proceedings; (USA)
OSTI ID:6592086
- Wyoming Univ., Laramie, WY (USA). Dept. of Civil Engineering
The shear strength characteristics of a retorted and combusted Western oil shale are evaluated. Testing consisted of triaxial and unconfined compression tests, including tests in a high-pressure triaxial chamber to simulate high overburden stresses and a program to evaluate the time-dependent cementation of hydrated spent shale. The spent shale is a non-plastic silty sand with an optimum water content of 27 percent and a maximum dry density of 93 pcf (1490 kg/m{sup 3}). The effective stress friction angle is 38 degrees with minimal cohesion and the total stress strength parameters are a friction angle of 14 degrees and cohesion of 24 psi (165 kN/m{sup 2}). Unconfined compressive strength increased with increased curing time, initial water content, and dry density.
- OSTI ID:
- 6592086
- Report Number(s):
- CONF-8904193--
- Conference Information:
- Journal Name: Oil Shale Symposium Proceedings; (USA) Journal Volume: 22
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
040900 -- Oil Shales & Tar Sands-- Waste management
044000 -- Oil Shales & Tar Sands-- Combustion-- (1990-)
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CEMENTING
CHEMICAL REACTIONS
COMBUSTION
COMPRESSION STRENGTH
DECOMPOSITION
DENSITY
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH PRESSURE
IN-SITU PROCESSING
IN-SITU RETORTING
INDUSTRY
MATERIALS
MECHANICAL PROPERTIES
OIL SHALE INDUSTRY
OIL SHALES
OXIDATION
PHYSICAL PROPERTIES
PROCESSING
RETORTING
SHEAR
SIMULATION
SOLID WASTES
THERMOCHEMICAL PROCESSES
TIME DEPENDENCE
WASTES
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
040900 -- Oil Shales & Tar Sands-- Waste management
044000 -- Oil Shales & Tar Sands-- Combustion-- (1990-)
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CEMENTING
CHEMICAL REACTIONS
COMBUSTION
COMPRESSION STRENGTH
DECOMPOSITION
DENSITY
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH PRESSURE
IN-SITU PROCESSING
IN-SITU RETORTING
INDUSTRY
MATERIALS
MECHANICAL PROPERTIES
OIL SHALE INDUSTRY
OIL SHALES
OXIDATION
PHYSICAL PROPERTIES
PROCESSING
RETORTING
SHEAR
SIMULATION
SOLID WASTES
THERMOCHEMICAL PROCESSES
TIME DEPENDENCE
WASTES