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A platform for research: civil engineering, architecture and urbanism
High Strength Concrete: SP2-Plates and Shells. Report 2.5 Biaxially Loaded Reinforced Panels
The experimental results of the tests of 3 plain and 17 reinforced concrete panels of dimensions 0.63 x 0.63 x 0.12 m are summarized. The variables considered were the reinforcement direction, the loading procedure (uniaxial or biaxial tension/compression) and different high strength concrete qualities, ND65, ND95, and LWA75. The compressive strength of panels with uniaxial in-plane loading compared to concrete cylinders was 88% for ND65, 91% for ND95 and 95% for LWA75, after correction for eccentricity. The compressive strength of panels with biaxial compression/tension loading was about 80% with longitudinal reinforcement and about 70% with diagonal reinforcement. The decrease of strength due to bi-axial loading was almost the same for all concrete types and slightly less than predicted by the Norwegian code. Comparisons with low strength concrete tests indicate that a general strength reduction factor should be introduced for concretes of higher strength. Crack spacing measurements revealed dense tensile cracking.
High Strength Concrete: SP2-Plates and Shells. Report 2.5 Biaxially Loaded Reinforced Panels
The experimental results of the tests of 3 plain and 17 reinforced concrete panels of dimensions 0.63 x 0.63 x 0.12 m are summarized. The variables considered were the reinforcement direction, the loading procedure (uniaxial or biaxial tension/compression) and different high strength concrete qualities, ND65, ND95, and LWA75. The compressive strength of panels with uniaxial in-plane loading compared to concrete cylinders was 88% for ND65, 91% for ND95 and 95% for LWA75, after correction for eccentricity. The compressive strength of panels with biaxial compression/tension loading was about 80% with longitudinal reinforcement and about 70% with diagonal reinforcement. The decrease of strength due to bi-axial loading was almost the same for all concrete types and slightly less than predicted by the Norwegian code. Comparisons with low strength concrete tests indicate that a general strength reduction factor should be introduced for concretes of higher strength. Crack spacing measurements revealed dense tensile cracking.
High Strength Concrete: SP2-Plates and Shells. Report 2.5 Biaxially Loaded Reinforced Panels
E. Thorenfeldt (author) / G. Drangsholt (author)
1993
162 pages
Report
No indication
English
Construction Materials, Components, & Equipment , Structural Analyses , Construction Equipment, Materials, & Supplies , Reinforced concrete , Plates(Structural forms) , Shells(Structural forms) , Compressive strength , Loads(Forces) , Reinforcement(Structures) , Structural components , Construction materials , Cracking(Fracturing) , Stress analysis , Test facilities , Foreign technology
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