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Experimental Behavior of Laced Reinforced Concrete One Way Slab under Static Load | ||
| Journal of Engineering | ||
| Article 1, Volume 22, Issue 5, 2016, Pages 42-59 | ||
| Authors | ||
| Abaas Abdulmajeed Allawi; Hussain Askar Jabir | ||
| Abstract | ||
| Test results of eight reinforced concrete one way slab with lacing reinforcement are reported. The tests were designed to study the effect of the lacing reinforcement on the flexural behavior of one way slabs. The test parameters were the lacing steel ratio, flexural steel ratio and span to the effective depth ratio. One specimen had no lacing reinforcement and the remaining seven had various percentages of lacing and flexural steel ratios. All specimens were cast with normal density concrete of approximately 30 MPa compressive strength. The specimens were tested under two equal line loads applied statically at a thirds part (four point bending test) up to failure. Three percentage of lacing and flexural steel ratios were used: (0.0025, 0.0045 and 0.0065). Three values of span to effective depth ratio by (11, 13, and 16) were considered, the specimens showed an enhanced in ultimate load capacity ranged between (56.52% and 103.57%) as a result of increasing the lacing steel ratio to (0.0065) and decreasing the span to effective depth ratio by (31.25%) respectively with respect to the control specimen. Additionally the using of lacing steel reinforcement leads to significant improvements in ductility by about (91.34%) with increasing the lacing steel ratio to (0.0025) with respect to the specimen without lacing reinforcement. | ||
| Keywords | ||
| one way slab; laced reinforced concrete; ductility; Crack; static loading | ||
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