1、新旧混凝土机械连接的方法和受力性能研究 Abstract:Inthispaper,theeffectivereinforcementmethodsofmechanicalconnectionbetanceandthemechanismofnareanalyzedandresearched,ericalanalysisbasisforthemechanicalpropertiesofpressionmembersinstructuralreinforcementengineeringandhasveryimportantengineeringapplicationvalue. K