Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"Bulkheads"”.
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Tools for the formation of optimised X-80 steel blast tolerant transverse bulkheads
… of X-80 steel blast tolerant transverse bulkheads. Unfortunately, due to the Australian Maritime Engineering Cooperative Research Centre not being re-funded after June 2000 and other project factors, the planned blast tests were not conducted, hence this research effort focussed on the …
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Short-term effects of bulkheads on the bayshore of Fire Island, New York
Construction of bulkheads as a method of shore protection is common on the bay shoreline of Fire Island, New York but there are few studies that assess the effects of these structures on beach change in estuarine and lagoon environments. A short-term field study was conducted at Cherry Grove on …
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Design of marine vessels for improved damage tolerance
… stiffened shell, web frame supports, and rigid bulkheads. The failure criterion used is hull rupture, appropriate for tanker design. The collision scenario is a right angle strike by a rigid vertical bow midway between two rigid bulkheads. The stiffened shell is modelled as a series of …
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Design of Automotive Joints Using Response Surface Polynomials and Neural Networks
… manufacturing and styling constraints. Putting bulkheads in the joint structure is an efficient way to increase stiffness. This thesis investigates the effect of transverse bulkheads on the stiffness of an actual B-pillar to rocker joint. It also develops a translator A for the B-pillar to …
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Plug repairs of marine glass fiber / vinyl ester laminates subjected to uniaxial tension
… currently being used and proposed for the hulls, bulkheads, and superstructures of large ships. This thesis examines the effectiveness of the repair of such laminates using glass fiber/vinyl ester chopped strand mat plugs to fill circular holes. The stress distributions around circular holes in …
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Multi-scale evaluation of groundwater flow and metal sourcing to streams in the Bonita Peak mining district
… paths were modified by emplacement of hydraulic bulkheads resulting in new mineral equilibrium controls within the subsurface and a net decrease in iron and zinc export from the watershed; and 3) the solute budget of streams is controlled by discharge and metal fluxes from multiple distinctive …
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New design methods for sheet pile cellular structures
… to design sheet pile cellular cofferdams and bulkheads were developed in the 1940's and 1950's and are based on semi-empirical approaches. The traditional methods are limited because they do not explicitly incorporate soil-structure interactions, they do not predict deflections, and they are …
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Evaluating ecological function provided by bank stabilization in Box Canyon Reservoir, WA
… by structural means, such as vertical bulkheads and riprap/rock. However, hard bank stabilizing materials can radically alter ecological functions provided by native shoreline vegetation. Despite valid concerns regarding the use of riprap in bank stabilization, limited pre- and …
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Reconfiguring the ship environment for damage stability enhancement
… safety at sea and concerning watertight bulkheads, i.e., permanent (passive) reconfiguration of the internal ship environment to enhance safety. This has been the most common measure, manifesting itself in the wake of every serious flooding accident since the beginning, back in the 19th …