Lateral instability of slender reinforced concrete columns : under combined bending moment and axial force

AuthorPramoth Tharasak
Call NumberAIT Thesis no. 304
Subject(s)Reinforced concrete Testing
Columns, Concrete--Testing
NoteA thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand.
PublisherAsian Institute of Technology
AbstractTen long eccentrically loaded reinforced concrete columns were investigated. The tests consisted of two series of 82-in. long columns of cross section 3x10 in. and 2x10 in respectively. They were loaded with different eccentricities to cause bending about the major axis. Two kinds of aggregate, limestone and sandstone were used for making the specimens* A wooden specimen,½ x6 x72 in. high was used in a preliminary test to develop the experimental techniques. The theoretical buckling load and the ultimate load in bending compression were related by the Rankine load which gives a lower bound for the columns tested in this paper. For the purpose of studying lateral stability, the columns were rather more slender than those used in practical design. Every column, except one, failed by simple buckling about the minor axis. The test results were compared with B. S. and ACI codes of practice for long concrete columns.
Year1970
TypeThesis
SchoolStudent Research Before 1980
DepartmentOther Field of Studies (No Department)
Academic Program/FoSThesis (Year <=1979)
Chairperson(s)Smith, Robert B.L.
Examination Committee(s)McGuire, William ;Lee, Seng-Lip
DegreeThesis (M. Eng.) - Asian Institute of Technology, 1970


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