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Seismic Behavior of Lightweight Concrete Columns
Sixteen full-scale, column-beam assemblies, which represented a portion of a frame subjected to simulated seismic loading, were tested. Controlled test parameters included concrete type, column size, amount of main column steel, size and spacing of column confining hoops, and magnitude of column axial load. The columns were subjected to constant axial load and slow moment reversals at increasing inelastic deformations. Test data showed that properly designed lightweight concrete columns maintained ductility and strength when subjected to large inelastic deformations from load reversals. Confinement requirements for normal weight concrete columns were shown to be applicable to lightweight concrete columns up to thirty percent of the design strength. Supplementary crossties engaging the column steel could be used to confine the core of lightweight and normal weight concrete columns.
Seismic Behavior of Lightweight Concrete Columns
Sixteen full-scale, column-beam assemblies, which represented a portion of a frame subjected to simulated seismic loading, were tested. Controlled test parameters included concrete type, column size, amount of main column steel, size and spacing of column confining hoops, and magnitude of column axial load. The columns were subjected to constant axial load and slow moment reversals at increasing inelastic deformations. Test data showed that properly designed lightweight concrete columns maintained ductility and strength when subjected to large inelastic deformations from load reversals. Confinement requirements for normal weight concrete columns were shown to be applicable to lightweight concrete columns up to thirty percent of the design strength. Supplementary crossties engaging the column steel could be used to confine the core of lightweight and normal weight concrete columns.
Seismic Behavior of Lightweight Concrete Columns
B. G. Rabbat (author) / J. I. Daniel (author) / T. L. Weinmann (author) / N. W. Hanson (author)
1982
450 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Construction Materials, Components, & Equipment , Columns(Supports) , Lightweight concretes , Earthquake resistant structures , Loads(Forces) , Yield strength , Flexural strength , Construction joints , Data acquisition , Earthquake engineering , Ground motion
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