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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Structural Lightweight Concrete
Under Biaxial Compression
Author(s): Yasar Atan and Floyd O. Slate
Publication: Journal Proceedings
Appears on pages(s): 182-186
Keywords: biaxial stresses: combined stress;concretes: cracking (fracturing): deformation: failure:stress-strain relationships.
Abstract:An experimental study was carried out on structural lightweight concrete under short-term biaxial compression. Strength, deformational behavior and fracture under various compressive stress combinations were studied. Stress-strain relationships are reported for uniaxial and biaxial compression. Failure stress envelopes were compared with results for normal concrete, obtained by various authors, and with results for lightweight concrete obtained by one other author. The modes of failure of specimens indicated that tensile deformation is dominant in the failure mechanism of structural lightweight concrete loaded in both uniaxial and biaxial compression. The application of transverse compression on the specimens caused a strength increase (24 to 28 percent) compared to uniaxial compressive strength. This strength increase is dependent on the stress combination (maximum at approximately 0.4 to 0.5) but not very much on composition of the concrete.
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