CALL US

+86 17838360708

torsional behaviour of highstrength concrete beams

torsional behaviour of highstrength concrete beams

Torsional Behaviour of High-Strength Concrete Beams ...

2021-8-10  Torsional Behaviour of High-Strength Concrete Beams 323 Figure 1. Test setup. of the beam. After cracking, the beam elongates longitudinally. To avoid any longitudinal restraint and subsequent compression, the beam was allowed to slide and elongate freely. This was achieved by supporting the end of the beam on rollers at the passive support.

get price

Torsional Behavior of High-Strength Concrete Beams with ...

2019-1-17  Torsional Behavior of High-Strength Concrete Beams with Minimum Reinforcement Ratio Changbin Joh,1 Imjong Kwahk,2 Jungwoo Lee,2 In-Hwan Yang,3 and Byung-Suk Kim4 1Research Fellow, Korea Institute of Civil Engineering and Building Technology, Department of Infrastructure Safety Research, Goyang, Gyeonggi 10223, Republic of Korea

get price

(PDF) Torsional Behavior of High-Strength Concrete Beams ...

Moreover, a pure torsion test is performed on 18 beams made of 80 MPa concrete reinforced by high-strength bars with rectangular section and various test variables

get price

Torsional Behavior of High-Strength Reinforced Concrete

2018-1-19  Torsional Behavior of High-Strength Reinforced Concrete Beams Raid I. Khalel, Assistant Professor Building and Construction Engineering Dept., University of Technology, Baghdad, Iraq. ABSTRACT: Recent methods for torsional design of reinforced concrete beams tend to the use of space truss analogy, instead of the earlier skew bending theory.

get price

Torsional resistance of high-strength concrete beams

2013-7-9  strength concrete beams subjected to shear, and can inherently take into account some major influential factors; the reduced aggregate interlocking shear ABSTRACT: This paper aims to explore theoretical models for evaluating the torsional behaviour of rein-forced concrete beams.

get price

Torsional behavior of normal- and high-strength concrete

The experimental results of torsional strength and deformation for normal- and high-strength concrete (NSC and HSC, respectively) beams are presented. Eight NSC (f′c = 35 MPa) and eight HSC (f′c =...

get price

Torsional Behaviour of High-Strength Concrete Beams ...

Abstract. An experimental investigation of the strengthening of the torsional resistance of High- Strength Concrete (HSC) beams using Carbon-Fiber-Reinforced-Polymers (CFRP) is conducted. A total of seven beams are tested. Three beams are designated as reference specimens and four beams are strengthened using CFRP wrapping of di erent con guration and then tested.

get price

Torsional Behavior of High-Strength Reinforced Concrete

Recent methods for torsional design of reinforced concrete beams tend to the use of space truss analogy, instead of the earlier skew bending theory. A total of (34) rectangular beams made of high ...

get price

Torsional Behavior of High-Strength Concrete Beams with ...

2005-6-1  Title: Torsional Behavior of High-Strength Concrete Beams with Lower Amounts of Torsional Reinforcement Author(s): I.-K. Fuang and H.-J. Chiu Publication: Symposium Paper Volume: 228 Issue: Appears on pages(s): 741-768 Keywords: beams; high-strength concrete; reinforced concrete; shear;structure design; torsion Date: 6/1/2005 Abstract: Experimental investigation was conducted to

get price

Torsional Behavior of Normal- and High-Strength

2004-5-1  The experimental results of torsional strength and deformation for normal- and high-strength concrete (NSC and HSC, respectively) beams are presented. Eight NSC (f¢c = 35 MPa) and eight HSC (f¢c = 70 MPa) beams, with a cross section of 350 x 500 mm and various amounts of torsional reinforcement, were tested under pure torsion.

get price

(PDF) Torsional Behavior of High-Strength Concrete Beams ...

Recent experimental investigations dealt with the torsional behavior of concrete beams with GFRP spiral reinforcement [48], reinforced with aramid fibers [49] or synthetic/steel fibers [50], of ...

get price

Torsional Behavior of High-Strength Reinforced Concrete

Recent methods for torsional design of reinforced concrete beams tend to the use of space truss analogy, instead of the earlier skew bending theory. A total of (34) rectangular beams made of high ...

get price

Torsional resistance of high-strength concrete beams

2013-7-9  strength concrete beams subjected to shear, and can inherently take into account some major influential factors; the reduced aggregate interlocking shear ABSTRACT: This paper aims to explore theoretical models for evaluating the torsional behaviour of rein-forced concrete beams.

get price

TORSIONAL BEHAVIOR OF HIGH-STRENGTH CONCRETE

An experimental investigation of the strengthening of the torsional resistance of HighStrength Concrete (HSC) beams using Carbon-Fiber-Reinforced-Polymers (CFRP) is conducted. A total of seven beams are tested. Three beams are designated as reference specimens and four beams are strengthened using CFRP wrapping of di erent con guration and then tested.

get price

Torsional Behaviour of High-Strength Concrete Beams ...

Experimental investigation was'conducted to study the pure torsional behaviour of highstrength concrete (HSC) beams strengthened with carbon-fibre-reinforced-polymers (CFRP) having minimum ...

get price

(PDF) Torsional resistance of high-strength concrete beams

Using a new stress-strain curve for softened concrete, a new theory is presented in this paper which predicts the torsional behavior of 108 test beams available from the literature.

get price

Torsional behaviour of reinforced concrete beams with ...

2016-6-1  The torsional strength of same size of beam (125 mm × 250 mm) without considering jacketing calculated by the Hsu’s skew bending theory with same core concrete (35 MPa) is found to be 3.66 kNm It is evident from this result that a plain concrete beam even if wrapped in three sides, there is a substantial increase in torque. This proves the ...

get price

Lateral-torsional buckling behaviour of concrete-filled ...

2021-1-1  Lateral-torsional buckling (LTB) behaviour of concrete-filled high-strength steel tubular flange beams (HS-CFTFBs) is experimentally and numerically investigated. Six specimens are tested in simple support with a lateral unrestrained concentrated load in mid-span.

get price

Torsional resistance of high-strength concrete beams -

[Abstract]: This paper aims to explore theoretical models for evaluating the torsional behaviour of reinforced concrete beams. The paper investigates the applicability and extension of existing analytical models and constitutive relationships developed for normal strength concrete to high-strength concrete. The verification models include the space truss model, skew-bending theory and ...

get price

Behavior of high-strength concrete beams strengthened

2021-3-24  An experimental investigation of the strengthening of the torsional resistance of high-strength concrete beams using CFRP is conducted. A total of seven beams are tested. Three beams are designated as reference specimens and four beams are strengthened using CFRP wrapping of different configuration then tested. The variables considered in the experimental study include: different wrap ...

get price

Study of torsional behavior of reinforced concrete beams ...

2018-11-21  This paper investigates the strengthening of reinforced concrete (RC) beams for its torsional behavior using aramid fiber strips. Most of the time aramid fiber is used as an externally bonded reinforcement to increase flexural and shear strength of RC beams. An attempt is made to use it for improving torsional moment carrying capacity of RC beam. Torsional failure mostly occurs in

get price

Torsional behaviour of reinforced concrete beams with ...

2016-6-1  The torsional strength of same size of beam (125 mm × 250 mm) without considering jacketing calculated by the Hsu’s skew bending theory with same core concrete (35 MPa) is found to be 3.66 kNm It is evident from this result that a plain concrete beam even if wrapped in three sides, there is a substantial increase in torque. This proves the ...

get price

(PDF) Torsional resistance of high-strength concrete beams

Using a new stress-strain curve for softened concrete, a new theory is presented in this paper which predicts the torsional behavior of 108 test beams available from the literature.

get price

Behaviour of concrete beams under torsion: NSC plain and ...

2007-10-19  A simple computation procedure is developed to predict the general behaviour of reinforced concrete beams under torsion. Both plain and hollow normal strength concrete beams are considered. Different theoretical models are used to reflect the actual behaviour of the beams in the various phases of loading. To pass from a phase to the following one, transition criteria need to be taken into ...

get price

Torsional resistance of high-strength concrete beams - CORE

Abstract [Abstract]: This paper aims to explore theoretical models for evaluating the torsional behaviour of reinforced concrete beams. The paper investigates the applicability and extension of existing analytical models and constitutive relationships developed for normal strength concrete to high-strength concrete.

get price

Effect Of Aspect Ratio On Torsional Capacity Of High ...

2021-6-10  research work appears 'to have been carried out on the torsional behavior of deep beams using high-strength concrete [4,8]. The objective of this investigation is to study the behavior of deep concrete beams subjected to torsion and to correlate the influence of high concrete strength and beam aspect ratios with the torsional capacity.

get price

Analytical study on torsional behavior of concrete beams ...

2020-12-24  This study aimed at evaluating the torsional capacity of reinforced concrete (RC) beams externally wrapped with fiber reinforced polymer (FRP) materials. An analytical model was described and used as a new computational procedure based on the softened truss model (STM) to predict the torsional behavior of RC beams strengthened with FRP.

get price

EXPERIMENTAL STUDY ON THE BEHAVIOUR OF TORSION

2019-7-19  EXPERIMENTAL STUDY ON THE BEHAVIOUR OF TORSION IN GEOPOLYMER CONCRETE BEAMS WITH STEEL FIBERS MANOJ KUMAR K 1* AND RAMASUBRAMANI R 2 1M. Tech, Department of Civil Engineering, SRM University, Kattankulathur, Chennai, India 2Assistant Professor, Department of Civil Engineering, SRM University, Kattankulathur, Chennai, India (Received

get price

Torsional behaviour of reinforced concrete beams ...

Torsional behaviour of reinforced concrete beams retrofitted with aramid fiber Table 2 Design mix proportion (M30) Description Cement Fine Aggregate Coarse Aggregate Water Mix proportion 1 1.35 2.49 0.45 Quantities of materials (in kg/m3) 438.13 591.47 1090.95 197.16 strips of fiber at 100 mm spacing Mt=Mue2-Mue1

get price

Experimental Investigation on Torsional Behaviour of ...

2020-11-3  experimental programme investigates the behaviour of curved concrete beams subjected to the combined effect of shear and torsion under the application of CFRP fibre in different wrapping patterns. 45-degree and 90-degree wrapping patterns were used for this experiment on 2000mm and 4000mm radius of curvature concrete beams. 2. Methodology

get price