[PDF] Top 20 Punching shear analysis of slab-column connections

... behaviour of concrete slabs failing in punching is simulated by using a non-linear three-dimensional finite element analysis (FEA) model based on the concept of the smeared crack model ... See full document

... application of concentrated loads or the presence of columns. One of the main problems of flat slabs is its punching shear capacity at slab-column connection, which ... See full document

... the punching shear resis- tance can be verified in failure planes with different inclinations, as shown in Figure ...case of footings, the angle of the failure plane is also af- fected by the ... See full document

... design of flat slab-column connections is frequently influenced by their punching capacity, especially when the structures are in regions of moderate to high seismicity (such as, ... See full document

... performance of slab-column connection once they increase ductility and energy absorption capac- ity of the ...use of fibers in flat slabs may increase strength and change the mode ... See full document

... advantages of the exhibited inverse analysis method are that they better describe all the post-cracking behavior of SFRC, can be applied for other types of flexural tests with respective ... See full document

... reliability of internal column-slab connection under punching, designed according to the Brazilian Standard NBR ...evaluation of reliability was made by comparing the reliability index ... See full document

... development of computational facilities, nonlinear finite element analysis (NLFEA) have become an interesting alternative for the assessment of concrete ...sensibility of each variable. In the ... See full document

... effect of the random variables on the results of the analysis was determined through this ...error of less than 0.5% of the mean and 1% in the standard deviation was necessary for the ... See full document

... in slab LR, in which values record- ed reached ...strain. Slab L1, nevertheless, showed a peculiar behavior, presenting the smaller strain increment for loads above 75 ...failure of this slab, ... See full document

... use of lat slabs in concrete structures has become common- place in recent years, due to the reduction in execution time and costs as well as the lexibility of use of constructed spaces it ...region ... See full document

... part of a T beam - called collaborative flange - stiffening ribs in the positive moment region of the ...use of a ribbed region becomes impracticable from the point of view of ... See full document

... simpliication of forms and rebars and especially by attributing greater lexibility in layout of ...design of slab-column con- nection is the most critical point in the design of ... See full document

... capacity of slab-column connections are ...ultimate punching shear capacity is analysed. The use of carbon fibre reinforced polymers (CFRP) on structural repair and ... See full document

... influence of continuity reinforce- ment positioning on precast connections were ...the column presented higher stiffness than the specimens with reinforcement steel bars only in ...design of ... See full document

... inluence of steel iber in both punching strength of lat slabs and shear strength of concrete ...experimental analysis of analogous slabs and ...ductility of ... See full document

... arrangement of electrical and mechanical ...flat-plate slab-column system should be able to save structural costs by about ...Absence of efficient load transfer mechanism has been one ... See full document

... beam-column connections especially those without transverse reinforcement in joint region can exhibit brittle behavior when intensive damage is concentrated in the joint region during an earthquake ... See full document

... the punching resistance of a slab with the same characteristics but without shear ...case of design codes, for the estimation of the punching resistance, the general ... See full document

... ultimate punching shear resistance of internal reinforced concrete lat slab-column connections, with one hole adjacent to the column, with or without lexural moment ... See full document