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Title: | Weight function approach for determining crack extension resistance based on the cohesive stress distribution in concrete |
Authors: | Barai, Sudhir Kumar |
Keywords: | Civil Engineering Three-point bending test Fictitious crack extension Cohesive stress |
Issue Date: | May-2009 |
Publisher: | Elsiever |
Abstract: | The use of universal form of weight functions for determining the KR-curves associated with the cohesive stress distribution for complete fracture process of three-point bending notched concrete beam is reported in the paper. Closed form expressions for the cohesion toughness with linear and bilinear distribution of cohesive stress in the fictitious fracture zone during monotonic loading of structures are obtained. Comparison with existing analytical method shows that the weight function method yields results without any appreciable error with improved computational efficiency. The stability analysis and the size-effect study using KR-curves of crack propagation are also described. |
URI: | https://www.sciencedirect.com/science/article/pii/S0013794409000216 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/3641 |
Appears in Collections: | Department of Civil Engineering |
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