punching‐shear failurereinforced concreteslabtensiontestsSome reinforced concrete slabs are subjected simultaneously to concentrated loads and unidirectional in﹑lane tensile forces. This the case of the top slab of a box girder bridge where hogging bending moments take place at the intermediate supports....
oftheultimatepunchingshear strengthofthereinforcedconcreteslabsandthetheoreticalformulaisaccurateenoughtobeagoodreferencein structuraldesigns. Keywords:reinforcedconcreteslabs;punchingshearstrength;Coulomb—Mohrcriterion;dowelaction 基金项目:江苏省第四期“333高层次人才培养工程”。 作者简介:李政启(1987一 ),男,内蒙古...
From the test-to-predicted ratio analysis, the important effect of modulus of elasticity of the reinforcement for predicting formulas was found. As using the resulted formula, this study provides a preliminary approach for suggesting a new punching shear formula of concrete slabs reinforced by either...
Muttoni, A. (2009). Punching Shear Strength of Reinforced Concrete Slabs by Aurelio Muttoni. ACI Structural Journal, (105), 440-450.Muttoni A. Punching shear strength of reinforced concrete slabs by Aurelio Muttoni. ACI Struct J 2009;105:440-50....
Punching shear performance of concrete slabs under fire A rigid-plastic model based on unified strength theory was used to calculate the effect of fire on the punching capacity of the flat slab. The calculated results fitted the test results well; thus, the rigid-plastic model can be ... DY...
punching shearreinforced concretecodespunching strength is a critical point in the design of flat slabs and due to the lack of a theoretical method capable of explaining this phenomenon, empirical formulations presented by codes of practice are still the most used method to check the bearing ...
Punching shear strength of continuous post-tensioned concrete flat plate [microform]Thesis (M. Sc. A.)--University of Ottawa, 1993. Includes ... R Kallage,Mahmoud 被引量: 0发表: 0年 Nonlinear analysis method for continuous post-tensioned concrete members with unbonded tendons The unbonded post...
1.By means of equilibrium conditions, a formula of ultimate punching shear strength of concrete slabs is derived.将混凝土板的冲切破坏简化为平面应变问题,采用双剪应力三参数强度准则对冲切破坏时的混凝土板剪压区的复合应力进行分析,得到了剪压面上的极限竖向剪应力,利用静力平衡条件求得混凝土板的极限冲切承载...
4) ultimate punching shear strength 极限冲切承载力 1. By means of equilibrium conditions, a formula ofultimate punching shear strengthof concrete slabs is derived. 将混凝土板的冲切破坏简化为平面应变问题,采用双剪应力三参数强度准则对冲切破坏时的混凝土板剪压区的复合应力进行分析,得到了剪压面上的极限竖...
摘要: Punching Shear Capacity of Reinforced High Strength Concrete Slabs 关键词: Deflection Deformation Failure High strength concrete Mathematical models Models Punching shear Puncture resistance Reinforced concrete Shear stress DOI: 10.1139/l91-118 被引量: 132 ...