Influencia do comprimento de transpasse e do confinamento na emenda da armadura em vigas de concreto de alta resistencia

TL;DRAbstract

dissertation deals with stndy of the behavior of lap splices of the longitadinal reinforcement in ut1der-reinforced high strength concrete heams subjected to plain bending.The splices are positioned the region of constant moment of the beam span where there is no influence of the shear stresses.It was observed the bond mechanisms performance that provide for the concrete cover rupture patterns and Lhe development and lap splice strengths.The last developed equations a.'1d factors that affect the anchorage and lap splice strengths are discussed a comprehensive previous stadies report This report comprises major publications on bond strength from the seventies to nowadays.This large data bank (about thousand bea.'TI test results) has contributed to t.'te fonnulation and, consequently to evolution of the anchorage and splice length equations in ordinary and high strength reinforced concrete, which have been adapted dissertation reports and discusses ten beam splice test results.The object

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