Experimental and numerical investigation on progressive collapse of self-centering precast concrete frame with infill walls

H Wang, S Li, C Zhai - Journal of Building Engineering, 2023 - Elsevier
Abstract Two 1/2 scaled self-centering precast concrete (PC) frames with and without infill
walls were experimentally and numerically investigated under quasi-static pushdown …

Reliability analysis of RC slab-column joints under punching shear load using a machine learning-based surrogate model

L Shen, Y Shen, S Liang - Buildings, 2022 - mdpi.com
Reinforced concrete slab-column structures, despite their advantages such as architectural
flexibility and easy construction, are susceptible to punching shear failure. In addition …

Punching shear behavior and strength prediction of UHTCC-enhanced RC slab-column joints

XN Huang, QH Li, JZ Tong, SL Xu, YC Lu - Engineering Structures, 2023 - Elsevier
RC flat slabs are widely employed in medium-height buildings due to their constructional
and architectural advantages. However, due to the tensile brittleness of normal concrete, an …

The role of CFRP strengthening in improving the punching shear behavior of heat-damaged flat slabs with openings of different sizes and locations

RA Bara'a, RZ Al-Rousan, AN Ababneh - Engineering Failure Analysis, 2024 - Elsevier
The punching shear behavior of twenty simply supported RC flat slabs of mm 3) dimensions
was examined in this study where concentrated loading was applied using a 150 mm central …

Pre-and post-punching failure performances of flat slab-column joints with drop panels and shear studs

Z Jiao, Y Li, H Guan, M Diao, Z Yang, J Wang… - Engineering Failure …, 2022 - Elsevier
To investigate the pre-and post-punching failure performances of flat slab-column joints with
drop panels and shear studs, static loading tests were conducted on three joint specimens …

[HTML][HTML] Progressive collapse mode induced by slab-column joint failure in RC flat plate substructures: A new perspective

Z Yang, X Guo, Y Li, H Guan, M Diao, J Wang… - Engineering …, 2023 - Elsevier
Majority of progressive collapse incidents of concrete flat plate structures were caused by
slab overloading in the form of punching shear failure at a slab-column joint, which exhibit …

Punching and post-punching shear failure behaviors of laterally-restrained and eccentrically loaded flat plate slab-column joints with drop panels

J Wang, Y Li, H Guan, Y Yang, M Diao, W Xu… - Engineering …, 2023 - Elsevier
In concrete flat plate slab-column joints with drop panels, successive punching shear
failures often occur at the slab-drop panel interface and along the column perimeter. When …

Punching shear performance of reinforced flat slabs considering in-plane restraints under and after a fire

L Bing, Y Zhou-lin, Z Zong-fu, L Zheng-shang… - … and Building Materials, 2024 - Elsevier
Two full-scale test specimens, a reinforced concrete reference slab (denoted as S1) and a
polypropylene fibre (PPF) concrete slab (S2), with a PPF length of 3 mm and PPF dosage of …