Effect of dynamic load redistribution in reinforced concrete flat-plate structures under collapse
نویسندگان
چکیده
An initial punching shear failure or column loss in a reinforced concrete flat-plate structure may lead to the dynamic load redistribution surrounding connections. The demand and capacity at these connections will determine if subsequent failures occur leading collapse of structure. Therefore, effect needs investigation order evaluate potential This paper analyzes previous experimental work as well new computational models terms amplification capacity. structures be much less than what is used current design guidelines. In addition, while strength relatively unchanged from static, ductility greater for with low reinforcement ratios. results show that including can increase system considered this study resist progression by only approximately 0.5 kN/m 2 (10 psf). • DLIF (dynamic factor) lower Accounting connection increases floor on 10 psf. A modified criterion developed account change Acceptance criteria rotation shown conservative slab-column
منابع مشابه
Progressive Collapse Analysis of Older Reinforced Concrete Flat Plate Buildings Using Macro Model
...................................................................................................................... iii ACKNOWLEDGEMENTS................................................................................................ v LIST OF FIGURES ........................................................................................................... ix LIST OF TABLES ....................
متن کاملShake Table Tests of Reinforced Concrete Flat Plate Frames and Post-tensioned Flat Plate Frames
A research study was undertaken to assess performance of flat plate systems constructed with slab shear reinforcement under dynamic loads. The research program consisted of shake table tests and accompanying analytical studies of two, approximately one-third scale, two-story, two-bay, slab-column frames. One specimen was constructed with reinforced concrete (RC) slab, whereas the other specimen...
متن کاملFinite Element Analysis of Reinforced Concrete Column Under Lateral Load
To serve its purpose a structure must be safe against collapse and serviceable in use. Serviceability requires that deflections be adequately small to keep the cracks within tolerable limits. Although the widely followed ACI Code suggests a detailed method of deflection calculation, it often cannot exactly perceive the actual behavior of a structure. For this purpose, finite element analysis, u...
متن کاملEffects of Vertical Ground Motion on Seismic Performance of Reinforced Concrete Flat-Plate Buildings
متن کامل
Simplified reliability analysis of punching in reinforced concrete flat slab buildings under accidental actions
Flat slab concrete buildings are widely found in infrastructure such as office and residential buildings or industrial facilities. The susceptibility of progressive collapse of such structures due to accidental loads is highly dependent on the structural performance of the slab-column connections. This paper presents a framework for a simplified reliability analysis and derivation of safety fac...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of building engineering
سال: 2021
ISSN: ['2352-7102']
DOI: https://doi.org/10.1016/j.jobe.2021.102688