investigation the punching shear behavior of

[email protected] Behaviour of recycled aggregate

Little research has been conducted on punching shear newlineand flexure behavior of reinforced recycled concrete slab elements.newlineThis thesis reports influence of recycled aggregate on the structural behavior newlineof two way slabs under punching shear and flexural loading.Shear Behavior of RC Beams Strengthened by External Shear design is an important part of structural design.External vertical prestressing rebars (EVPRs) have proven to be an effective way to enhance structural shear resistance.The objectives of this study are to simulate EVPR strengthening of concrete beams using a nonlinear three-dimensional finite element model and to explore its shear enhancement features under different EVPR stirrup Related searches for investigation the punching shear behapunching shear pdfpunching shear checkpunching shear design examplespunching shear equationpunching shear formulahow to calculate punching shearpunching shear aciSome results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456Next

Related searches for investigation the punching shear beha

punching shear pdfpunching shear checkpunching shear design examplespunching shear equationpunching shear formulahow to calculate punching shearpunching shear aci12345NextPunching Shear Behavior of Voided ReinforcedThis investigation focuses experimentally the behavior of voided slab panels under punching shear stresses applied at the center of the panel.Six reinforced concrete flat plate panels were cast with different concrete types; normal strength concrete,highReduction of punching shear reinforcement - ConcreteNew experimental results on punching shear behavior of flat slabs with varying amount of punching shear reinforcement Reduction of punching shear reinforcement With introduction of Eurocode 2 in Germany,the punching shear design provisions for flat slabs were revised.Punching shear behavior of steel fiber reinforced flat Based on these experiments,no conclusions regarding the effectiveness and load-bearing behavior of steel fiber reinforced flat slabs in combination with punching shear reinforcement can be drawn.For the systematic investigation of the punching shear capacity of steel fiber reinforced flat slabs with closed stirrups and shear studs as punching shear reinforcement,two series with three tests each were

Punching shear behavior of reinforced concrete footings

To investigate the punching shear behavior of reinforced concrete footings with low and medium amounts of shear reinforcement,three systematic test series (11 specimens) with stirrups as shear reinforcement were conducted.In the tests,the amount of shear reinforcement was varied by changing the stirrup diameter only.Punching shear behavior of continuous flat slabs To analyze the complex punching shear behavior several investigations have been conducted,which served as the basis for various punching shear resistance models [1,2,3].Since experiments on actual reinforced concrete slabs are very complex,almost all punching tests have been performed on isolated specimens (Figure 1(b)) modeling only the Punching shear behavior Of GFRP-RC edge slab column Experimental and analytical investigations are carried out to examine the punching-shear strength and behavior of reinforced concrete (RC) edge slab-column connections totally reinforced in flexure with GFRP bars.The experimental work included edge slab-column connections without and with GFRP stirrups as shear reinforcement.

Punching of High Strength Concrete Flat Slabs without

Hallgren[4] conducted an experimental investigation to study the punching shear capacity and the structural behavior of HSC slabs with and without shear reinforcement.The tested specimens were circular with 2540 mm diameter and 240 mm thick,supported onPunching Shear Strength of Voided Slabs on the Elastic This paper presents the results of an experimental investigation on the punching shear strength and failure mechanism of one solid and four voided biaxial slabs under a concentrated load applied at the center of the slab (built on a soil subbase acting as support).In the voided biaxial slab specimens,the first row of spherical void formers was placed at the distances of d,1.5d,2d,and 2.5d Punching Shear Behavior of an Innovative Connection Abstract.This paper presents the results of an experimental investigation into the punching shear behavior of an innovative simple and effective shear connection method between steel-tubular column and flat-concrete slab using welded shear studs,steel plates and bent-up rebars.Two full-scale tests were carried out,one on a center columnslab assembly and one on a corner columnslab assembly.

Punching Shear Behavior of Reinforced Concrete Slabs

(Bamonte et al.,2009) studied theoretical analysis of punching shear of reinforced concrete slabs subjected to damage of fire.However,a little studies deal with numerical investigation of punching shear of reinforced concrete slabs exposed to fires.Clear from thePunching Shear Behavior and Design of an Innovative Experimental and numerical studies have investigated the effects on punching shear behavior and resistance of the proposed shear connection system under different design variables,including concrete depth above the shear stud,concrete compressive strength,concrete tensile strength,shear stud dimensions (length and diameter),and reinforcement.PUNCHING OF FLAT SLABS WITH SHEARpunching shear resistance of flat slabs with shear reinforcement.In the past,several investigations took place but no theory so far could describe the punching shear behavior of flat slabs with shear reinforcement satisfactorily.

Numerical Investigation of Punching Shear Pattern of

The results show that the punching shear strength increased gradually by increasing the clear distance between columns.The presence of opening led to a decrease in punching shear capacity by about 32%.II.RESEARCH SIGNIFICANCE The literature on the subject of punching shear behavior of flat slabs rested on coupled columns is thusNUMERICAL INVESTIGATION ON THE PUNCHINGincreasing the punching shear capacity of strengthened slabs was less than that of FRP.In addition,the slabs strengthened by TRM showed stiffer behavior than that strengthened by FRP,but lesser ductile.TRM effectiveness was sensitive to the mesh size of the textile.When the mesh size decreased,stiffness was increased and ductility was decreased.Improving the Punching Shear Strength of RC Slabs bypunching shear and energy absorption of RC slabs strengthened using CFRP sheet and textile reinforced mortar (TRM).Ruiz and Muttoni [13] introduces a physical model based on CSCT that allows one to estimate,on a rational basis,the contributions of concrete and of shear reinforcement to the punching shear strength.Micallef et al.[14]

Improvement of punching shear strength of reinforced

Nov 01,2020 investigation the punching shear behavior of#0183;Zaher et al.[ 15] investigated the punching shear behavior of nine half-scale LWC Slabs.LWC was obtained by using polystyrene foam as a partial aggregate replacement to reduce the weight of concrete from 24.0 KN/m3 to 18.5 KN/m3.The test results showed the degradation punching shear performance of LWC slabs when compared with RC slabs.INVESTIGATION THE PUNCHING SHEAR BEHAVIOR OFAbstract.The region of a slab in the vicinity of a support could fail in shear by developing a failure surface in the form a truncated cone or pyramid.This type of failure,called Punching Shear Failure,is usually the source of collapse of flat-plate and flat-slab structures.An experiment to be conducting to investigate the punching shear strength and failure behavior of self concrete (SCC) slabs using carbon fiber reinforced polymer (CFRP) barsFinite Element Simulation on Punching Shear Behavior of A finite element simulation for experimental punching shear behavior of reinforced concrete slab is presented in this paper.The numerical simulation is based on previously tested 15 reinforced concrete model slabs.Finite element analysis of reinforced concrete slabs subjected to punching load is evaluated and results are compared with experiments.

Finite Element Analysis of a Reinforced Concrete Slab

Apr 09,2014 investigation the punching shear behavior of#0183;This study involves the investigation on the punching shear behavior of reinforced concrete slab-column connections without shear reinforcement.The results of the FEA simulations indicate the reasonable response when compared to the behavior of the test specimen.The simulations give information on the punching shear capacity and the crack Explainable Machine Learning Models for Punching Shear Flat slabs,despite their aesthetic qualities and widespread use in construction,are susceptible to brittle shear failure.In addition,although desiExperimental investigation on punching behavior of thick The aim of the tests was verification of the Eurocode EC 2 procedure,by which the ultimate shear stresses vRd,c depend on the slenderness of the slab.Besides of the performed tests results,the analysis of the foreign investigation of the fundaments is also included. SHERIF,A.G.Experimental Investigations on Punching Behavior of

Experimental investigation of strengthening slab-column

Sep 01,2019 investigation the punching shear behavior of#0183;This paper investigates experimentally the punching shear behavior of flat slabs-column connections strengthened with CFRP (Carbon fiber reinforced polymer) string having a fan shape as a new strengthening technique.Six square slabs with middle column heads were casted monolithically at the center of the slabs.Experimental investigation of edge restraint on punching (2009).Experimental investigation of edge restraint on punching shear behaviour of RC slabs.The IES Journal Part A Civil Structural Engineering Vol.2,No.1,pp.35-46.Experimental Investigations on Punching Behavior of The punching shear behavior of reinforced concrete footings without punching shear reinforcement was investigated extensively by various researchers in the past.

Experimental Investigations on Punching Behavior of

The experimental results indicate that the angle of the failure shear crack is steeper than observed by punching tests of flat slabs.Furthermore,the shear slenderness seems to significantly affect the punching shear capacity.Experimental Investigations on Punching Behavior of Experimental Investigations on Punching Behavior of Reinforced Concrete Footings.This article reports on a study of 5 reinforced concrete footings that were tested to investigate the punching shear failure of footings.Contrary to most of the research in this area,in which footings are supported on springs or on a column slab,this study used Experimental Investigation on Punching Behavior of Thick Experimental Investigation on Punching Behavior of Thick Reinforced Concrete Slabs .By Urban T.,Godyn M.,Krakowski J.and by which the ultimate shear stresses vRd,c depend on the slenderness of the slab.Besides of the performed tests results,the analysis of the foreign investigation of the fundaments is also included.The test

Experimental Investigation of Punching Shear Behavior in

This research is presenting a strengthening technique for increasing punching shear resistance in reinforced concrete two way flat slabsusingdifferent concrete mix with different ratios of high performance micro polypropylene fibers as an additive.Sixteen experimental testshave been performed for the selected model.The influence of different ratiosEffects of FRP grids on punching shear behavior of investigation the punching shear behavior of#0183;Abstract.One of the major problems of flat slab is the punching shear failure of slab-column connection.This form of failure must be avoided.Fourteen slab-column connections are tested to failure and categorized in two phases.The first Phase IEffect of reinforcement on punching shear of multi-effort to understand the actual punching shear behavior of slab systems.2.Experimental works Experimental investigation and finite element analysis of 15 model slabs subjected to punching load was carried out by authors (Alam et al.2009).The finite element simulation

Effect of reinforcement on punching shear of multi-

effort to understand the actual punching shear behavior of slab systems.2.Experimental works Experimental investigation and finite element analysis of 15 model slabs subjected to punching load was carried out by authors (Alam et al.2009).The finite element simulationEffect of Openings on Punching Shear Strength of opening effect; punching shear.INTRODUCTION Punching shear failure can happen in reinforced concrete flat slabs due to the development of high shear stresses in the slab-column connection area.These shear stresses become higher when openings and unbalanced moments exist.Openings reduce the area of concrete sustaining shear stresses.Comparison of Recent Code Provisions for Punching Shear Oct 27,2016 investigation the punching shear behavior of#0183;Lips S,Fern investigation the punching shear behavior of#225;ndez Ruiz M,Muttoni A (2012) Experimental investigation on punching strength and deformation capacity of shear-reinforced slabs.ACI Struct J 109:889900 Google Scholar Long AE,Masterson DM (1974) Improved experimental procedure for determining the punching strength of reinforced concrete flat slab structures.

Cited by 2Publish Year 2020Author Zhen Huang,Yingkai Zhao,Jiwen Zhang,Yue Wu(PDF) EFFECT OF FLEXURAL REINFORCEMENT ON PUNCHING SHEAR

The punching shear strength was found to significantly increase as the span-depth ratio decreased below 6.Cited by 1Publish Year 2015Author Ali Hameed Naser Al-MamooriInvestigations on the punching shear behaviour of Request PDF Investigations on the punching shear behaviour of eccentrically loaded footings The punching shear design provisions according to various codes have been derived from the results Cited by 106Publish Year 2006Author Josef Hegger,Alaa G Sherif,Marcus RickerPunching shear behaviour of concrete slabs reinforced with Aug 01,2020 investigation the punching shear behavior of#0183;Punching shear action has been a focus for research in the field of civil engineering and using a fiber-reinforced polymer (FRP) grid is a novel configuration of the engineering materials.We present the test results of an experimental program on the punching shear performance of carbon-fiber-reinforced polymer (CFRP) grid reinforced concrete slabs.

An experimental system to evaluate impact shear failure of

Conventionally,the evaluation of shear failure of discontinuities in rocks and other geomaterials has been conducted under static shear loading.In such methods,the shear failure behaviors of rocAn Experimental Study on Punching Shear Behavior of Cracking pattern and load-deflection behavior of the slabs tested have also been monitored closely.Significant effect of edge restraint on the punching failure load,resulting in an enhancing of the ultimate punching strength,and effect of flexural reinforcement on the punching failure load have been noticed.An Analytical and Numerical Investigation on Punching This program includes investigating the effect of SCC,slab thickness on the punching shear behaviour in terms of load-deflection response and ultimate failure load,failure characteristic of punching shear failure (shape of failure zone and size of failure zone) of simply supported slabs of 1000 x 1000 x 50 and 75mm under concentrated load at

Accuracy of concrete strength prediction behavior in

This study investigates the accuracy of prediction normal concrete behavior in simulating punching shear strength of flat slab using finite element modelling in Abaqus.The Eurocode and FIB standards were adopted to predict concrete curves for compressive and tensile stresses,in addition to two models adopted in this study based on preview A numerical and experimental investigation on quasi-static In this study,quasi-static punch shear behavior of aramid epoxy composites was investigated both numerically and experimentally.Firstly,material model parameters used in numerical simulations were obtained by various mechanical tests such as tensile,compression,and in-plane shear tests.(PDF) Literature review of punching shear in reinforced punching shear in reinforced concrete bridge deck slabs and the ACI 318 and EN 1992-1-1 code provisions regarding punching shear.The first chapter of this literature review is an introduction to

(PDF) Experimental Investigation of Punching Shear on

Punching shear failure is hence characterized by the development of a truncated cone shaped surface at the slab-column connection.Punching shear can thus result from a concentrated load or reaction acting on a relatively small area,called the loaded area,of a slab or a foundation.

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