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Design Proposal for High Strength Concrete Sections Subjected to Flexural and Axial Loads
In the report an investigation is carried out of the consequences when predicting the ultimate capacity of reinforced high strength concrete sections subjected to pure bending or combined bending and axial load by extrapolating DS 411 to the compressive strength level of 90 MPa. The investigation is based on calculated results using obtained knowledge of the complete uniaxial stress-strain curves for concrete and applying nonlinear computerized methods. The investigation shows that extrapolation of DS 411 overestimates the ultimate capacity of reinforced high strength concrete sections when subjected to pure bending with as much as 33 %, while DS 411 in the case of sections subjected to combined bending and axial load overestimates the ultimate capacity with as much as 39%. A design proposal is suggested for calculating the ultimate capacity of high strength concrete sections subjected to pure bending or combined bending and axial load. The design proposal is based on the same principles as DS 411 and the results from thenonlinear calculations using the knowledge of the complete uniaxial stress-strain curves as mentioned above. (Copyright (c) by Nicholaus Holkmann Olsen 1990.)
Design Proposal for High Strength Concrete Sections Subjected to Flexural and Axial Loads
In the report an investigation is carried out of the consequences when predicting the ultimate capacity of reinforced high strength concrete sections subjected to pure bending or combined bending and axial load by extrapolating DS 411 to the compressive strength level of 90 MPa. The investigation is based on calculated results using obtained knowledge of the complete uniaxial stress-strain curves for concrete and applying nonlinear computerized methods. The investigation shows that extrapolation of DS 411 overestimates the ultimate capacity of reinforced high strength concrete sections when subjected to pure bending with as much as 33 %, while DS 411 in the case of sections subjected to combined bending and axial load overestimates the ultimate capacity with as much as 39%. A design proposal is suggested for calculating the ultimate capacity of high strength concrete sections subjected to pure bending or combined bending and axial load. The design proposal is based on the same principles as DS 411 and the results from thenonlinear calculations using the knowledge of the complete uniaxial stress-strain curves as mentioned above. (Copyright (c) by Nicholaus Holkmann Olsen 1990.)
Design Proposal for High Strength Concrete Sections Subjected to Flexural and Axial Loads
N. H. Olsen (author)
1990
121 pages
Report
No indication
English
Structural Analyses , Construction Materials, Components, & Equipment , Construction Equipment, Materials, & Supplies , High strength concretes , Reinforced concrete , Structural members , Structural analysis , Loads(Forces) , Flexural strength , Design , Concretes , Theses , Stresses , Strains , Reinforcement(Structural) , Mechanical properties , Compressive strength , Splices , Joints(Junctions) , Foreign technology
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