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Title: Some aspects of three-dimensional stress analysis
Author: Brebner, Arthur
Awarding Body: University of Aberdeen
Current Institution: University of Aberdeen
Date of Award: 1952
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Section A Some Aspects of Three-Dimensional Photo-Elastic Stress Analysis. The theory of Photo-Elasticity is discussed, both for two and three dimensional stress problems. An investigation is carried out showing that Catalin 800, with certain reservations, is suitable for three-dimensional stress analysis. Certain three-dimensional stress problems are investigated with reference to pressure on part of the boundary of semi-infinite solid. Section B1 An Investigation of the Stresses found in a semi-infinite body of sand acted upon by pressure on part of the boundary. A circular plate is loaded and the stresses in the sand investigated a pressure cell capable of giving the Principal Stresses. The stresses so found are in accordance with the hypothesis that the sand can be considered as an idealized solid which obeys Hooke's Law but is horizontal direction. Section B2 An Investigation of The Variation of Subgrade Modulus of a Sand with Varying Beam Breadths. A Foundation Beam is loaded and the relationship between contact pressure and deflection is found. This relationship, the Subgrade Modulus, is found to have a constant value for the majority of practical engineering problems.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available