BibTex format
@inproceedings{Abu-Salma:2020,
author = {Abu-Salma, D and Vollum, R and Macorini, L},
pages = {216--223},
title = {Punching shear at slab-edge column connections},
year = {2020}
}
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Citation
RIS format (EndNote, RefMan)
TY - CPAPER
AB - This paper is concerned with modelling punching shear failure at edge columns of flat slabs. Punching failure at edge columns is much less researched than at interior columns despite typical buildings having more edge than interior columns. The paper uses nonlinear finite element analysis (NLFEA) to study the influence of column aspect ratio and loading eccentricity on punching resistance at edge columns subject to inwards eccentricity. The analysis is carried out using 3D solid elements as well as a Joint Shell Punching Model (JSPM) in which nonlinear joint elements are combined with nonlinear shell elements. The JSPM uses joint elements incorporating the Critical Shear Crack Theory (CSCT) failure criterion to model punching failure. The joint elements are placed around the punching shear control perimeter which is located at 0.5d from the column face where d is the slab effective depth. The paper focusses on the analysis of punching shear at elongated columns orientated with the long side normal to the slab edge. This column arrangement is commonly used in residential buildings since it enables the column to be hidden within partition walls. Shear stress around the control perimeter is shown to concentrate towards the ends of elongated columns placed normal to the slab edge. Strength predictions obtained with the JSPM are shown to compare favourably with laboratory tests and numerical studies carried out with NLFEA with 3D solid elements.
AU - Abu-Salma,D
AU - Vollum,R
AU - Macorini,L
EP - 223
PY - 2020///
SN - 2617-4820
SP - 216
TI - Punching shear at slab-edge column connections
ER -