Index Catalog // ScholarsArchive@OSU

Simplified stability assessment for low volume road cut and fill slopes

Creator:: Pratt, Randy C.
Abstract:: Many miles of roads are built in the Pacific Northwest Forests to provide access for logging and fire protection. Logging roads often cross steep mountainous terrain. Logging roads and the associated cut and fill slopes represent a discontinuity in the natural stress state in the soil mantle. These conditions result...
Resource Type:: Masters Thesis
Full Text:: Introduction 9 Taylor Solution 10 Bishop and Morgenstern Solution 11 Lo Solution 13 Spencer Solution 13

Evaluation and application of ice segregation parameters for frost heave prediction

Creator:: Ito, Yuzuru, 1958-
Abstract:: The success of civil engineering construction in cold regions often depends on the assessment of the potential for frost heave. Over the past two decades two models have been presented to the engineering community to identify the frost heave potential, namely: (1) the segregation potential (SP), and (2) the discrete...
Resource Type:: Dissertation
Full Text:: Page 2.1 Idealization of Formation of Segregated Ice in a Soil Mass (after Konrad and Morgenstern

The role of specific surface area and related index properties in the frost susceptibility of soils

Creator:: Rieke, Ross D.
Resource Type:: Masters Thesis
Full Text:: Definition Sketch of Frost Heave System (After 14 Konrad and Morgenstern, 1980) 3.1 Grain Size Distribution

Stability of heterogeneous and anisotropic slopes determined by the compound logarithmic spiral limit equilibrium method

Creator:: Stockton, Ezra J.
Abstract:: The logarithmic-spiral (log-spiral) limit equilibrium procedure for slope stability analysis rigorously satisfies both force and moment equilibrium with a failure surface geometry formulated as a function of the soil’s angle of internal friction. Within the framework of limit equilibrium, this procedure has, in the past, been primarily limited to homogeneous...
Resource Type:: Masters Thesis
Full Text:: -spiral in the embankment degenerating to a circular arc (i.e., ‘log-spiral’ for u=0) in the foundation

Scourability of weak rock in the Oregon Coast Range

Creator:: Baillie, Michael W.
Abstract:: The undermining of bridge foundations can lead to either costly repairs or a bridge collapse. These foundations must be designed to counter the effects of scour. Current practice does not allow for accurate estimates of scour in erodible rock. Scour in rock can be related to geotechnical and hydraulic properties....
Resource Type:: Masters Thesis
Full Text:: (Morgenstern and Eigenbrod, 1974). If the bedrock in the channel is saturated, then scour resistance is

Evaluation of straw wattle placement and surficial slope stability

Creator:: Rikli, Anthony M.
Abstract:: Straw wattles are common erosion control devices used to trap sediment. This thesis studies the relationship of straw wattles on slope stability through a case study demonstrating their use on steep slopes (1.5H:1V) for the US20 highway realignment project. Several surficial slope failures have occurred on these fill slopes, often...
Resource Type:: Masters Thesis

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

Creator:: Hyatt, Charles
Abstract:: In recent decades, the occurrence of large, high severity wildfires has increased substantially in many parts of the world, including the western United States. These fires have the potential to impact water quality, aquatic ecosystems, and downstream communities for many decades. As such, it is increasingly important to understand the...
Resource Type:: Honors College Thesis
Full Text:: installation and maintenance of data collection devices. I would like to recognize Karl Morgenstern, David

An investigation of the feasibility of a cutbank slope design method based on the analysis of natural slopes

Creator:: Keener, Quentin Roosevelt
Abstract:: The failure of cutbanks is a major problem encountered by those who construct low-cost roads in naturally forested residual soils. Attempts have been made to lessen the severity of failures by classifying certain soil areas as to their susceptibility to failure, in addition to bringing past design experience into play...
Resource Type:: Masters Thesis
Full Text:: , 1937), or a combination of the plane and arc (Morgenstern and Price, 1965). The one thing all these

Pore Water Pressure Response in Soil During Tsunami Loading : Numerical Formulation and Experimentation

Creator:: Abdollahi, Abbas
Abstract:: Tsunami loading can cause sediment instability, which can compromise the structural integrity of coastal buildings and infrastructure. To understand the process by which a tsunami can cause sediment instability, it is necessary to understand how the pore water pressure in the soil changes during tsunami loading. Tsunami run-up causes the...
Resource Type:: Dissertation
Full Text:: addition, for the seepage deformation model, we assume α = 1 and B = 0, and νu = 0.5. . . 128 5.16 Case S

Ocean wave-soil-caisson interaction

Creator:: Tsai, Yau-tang
Abstract:: Caissons on permeable seabeds have been designed and constructed for a variety of needs in coastal and offshore engineering. An evaluation of the adequacy of the foundation beneath the structure is required for an economic and safe design. To address this requirement, a two-dimensional analytical model of the foundation response...
Resource Type:: Dissertation
Full Text:: -2- j - p - p s (1-n) (1-n) + p g(u-v) J at ax ax i pw i i (2.2.1a) 18 19 Fluid 3u. -2 - - 1

ScholarsArchive@OSU

Simplified stability assessment for low volume road cut and fill slopes

Evaluation and application of ice segregation parameters for frost heave prediction

The role of specific surface area and related index properties in the frost susceptibility of soils

Stability of heterogeneous and anisotropic slopes determined by the compound logarithmic spiral limit equilibrium method

Scourability of weak rock in the Oregon Coast Range

Evaluation of straw wattle placement and surficial slope stability

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

An investigation of the feasibility of a cutbank slope design method based on the analysis of natural slopes

Pore Water Pressure Response in Soil During Tsunami Loading : Numerical Formulation and Experimentation

Ocean wave-soil-caisson interaction

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