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behavior of highperformance concrete (hpc) under

behavior of highperformance concrete (hpc) under

Behavior of High-Performance Concrete (HPC) under

1999-1-1  The behavior of high-performance concrete (HPC), immersed into solutions of 10 percent NH4NO3 (NH4 = 22,500 mg/l) and 1 percent NH4NO3 (NH4 = 2250 mg/l), under bending stresses with a load level of 30 percent of their failure strength, was studied. The strength and weight loss of the specimens were determined.

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Behavior of high-performance concrete under multiaxial ...

2020-11-10  Dupray studied the behavior of HPC (fc ′ = 71.7 MPa) under confined tension (σ 1 > 0 > σ 2 = σ 3) using cylindrical samples and found that the tensile peak stress component decreased with the increase in the confining pressure, and a linear tensile meridian was observed on the failure surface.

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(PDF) Behavior of High-Performance Concrete under

The angle of friction governing the behavior under small confinement pressures equaled 51 deg instead of 37 deg, which is typically seen for normal strength concrete. Under

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Flow behaviour of high strength high-performance

1999-12-1  Finally, the flow behaviour of high strength HPC was studied by adding various quantities of coarse aggregate into mortar mixes. On the other hand, based on the two-point test proposed by Tattersall , a rheometer for fresh HPC was established to examine the flow behaviour of fresh HPC under various mix proportions. Test results show that it is ...

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Behavior of high-performance concrete under multiaxial ...

In this study, an experimental investigation was conducted to determine the triaxial tensile-compressive-compressive (T–C–C) behavior of three different high-performance concrete (HPC) groups ...

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Behavior of High-Performance Concrete under Uniaxial

2008-11-1  Title: Behavior of High-Performance Concrete under Uniaxial and Biaxial Loading Author(s): Xiaodan Ren, Weizhong Yang, Yong Zhou, and Jie Li Publication: Materials Journal Volume: 105 Issue: 6 Appears on pages(s): 548-558 Keywords: constitutive law; strain control; strength envelope Date: 11/1/2008 Abstract: A systematic experimental research was carried out to investigate the mechanical ...

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Behavior of high-performance concrete under multiaxial ...

A new four-parameter failure criterion was proposed for HPC under T–C–C loading. Abstract In this study, an experimental investigation was conducted to determine the triaxial tensile-compressive-compressive (T–C–C) behavior of three different high-performance concrete (HPC) groups with uniaxial compressive strength ranging from 44 to 90 ...

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Mechanical Behavior of High-Performance Concrete under ...

2020-1-22  Several studies on the behavior of concrete at high temperatures are the subject of recent concerns, following the latest fires in various European tunnels. In these extreme conditions, significant degradations of concrete structures can be observed (peeling, cracking, breaking of the structure). A priori prediction of concrete behavior

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Behavior of High-Performance Concrete Under Uniaxial

Behavior of High-Performance Concrete Under Uniaxial and Biaxial Loading. In order to investigate high performance concrete (HPC) mechanical properties, research involving systematic experimentation was carried out. With the help of a closed-loop testing machine, four different loading conditions, including tension compression, biaxial ...

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Behavior of High-Performance Concrete (HPC) under

The behavior of high-performance concrete (HPC) immersed into solutions of 10% NH4NO3[(NH4+) = 22,500 mg/l] and 1% NH4NO3[(NH4+) = 2,250 mg/l] under bending stresses with a load level of 30% of their failure strength, was studied. The strength and weight loss of the specimens were determined. The diffusion of the ammonium nitrate solution into the HPC was also measured.

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(PDF) Behavior of High-Performance Concrete under

The angle of friction governing the behavior under small confinement pressures equaled 51 deg instead of 37 deg, which is typically seen for normal strength concrete. Under increasing confinement ...

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Behavior of High-Performance Concrete (HPC) under

The behavior of high-performance concrete (HPC) immersed into solutions of 10% NH4NO3[(NH4+) = 22,500 mg/l] and 1% NH4NO3[(NH4+) = 2,250 mg/l] under bending stresses with a load level of 30% of their failure strength, was studied. The strength and weight loss of the specimens were determined. The diffusion of the ammonium nitrate solution into the HPC was also measured.

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Behavior of High-Performance Concrete Under Uniaxial

In order to investigate high performance concrete (HPC) mechanical properties, research involving systematic experimentation was carried out. With the help of a closed-loop testing machine, four different loading conditions, including tension compression, biaxial compression, uniaxial compression, and uniaxial tension, were used in testing a total of 91 plate specimens.

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Experimental behaviour of high-performance concrete in ...

cretes under similar confinement (between 17 and 69 MPa) has been studied by Kotsovos and Pavlovic [3] and Newman [4]. To the best of our knowledge however, no experiment has ever been conducted on the tensile behaviour of a high-performance concrete under a wide range of lateral confining pressures (i.e. from 10 to 250 MPa).

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Mechanical Behavior of High-Performance Concrete under ...

ATG and ATD powder of concrete HPC at (a) 20°C, (b) 600°C, and (c) 900°C [18]. Figures - available via license: Creative Commons Attribution 3.0 Unported

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Behavior of High-Performance Concrete Under Uniaxial

Behavior of High-Performance Concrete Under Uniaxial and Biaxial Loading. In order to investigate high performance concrete (HPC) mechanical properties, research involving systematic experimentation was carried out. With the help of a closed-loop testing machine, four different loading conditions, including tension compression, biaxial ...

get price

Compression Behavior of High-Performance Concrete and

To explore the compression behavior of confined high-performance concrete (HPC) and high-performance fiber-reinforced concrete (HPFRC), 24 HPC and HRFRC (steel fiber in 2% volume ratio) circular columns confined with spiral stirrups with compressive strengths up to 116.21 and 138.24 MPa were tested under axial compression.

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Behavior of ring-restrained high-performance concrete ...

2018-2-20  This study evaluated the behavior of restrained high-performance concrete in response to the extreme heating associated with fire. This was done by estimating the thermal stress based on the strain induced in the restraining steel ring and the vapor pressure in the restrained concrete under the conditions corresponding to the RABT 30 rapid heating curve.

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Compression Behavior of High-Performance Concrete and

To explore the compression behavior of confined high-performance concrete (HPC) and high-performance fiber-reinforced concrete (HPFRC), 24 HPC and HRFRC (steel fiber in 2% volume ratio) circular columns confined with spiral stirrups with compressive strengths up to 116.21 and 138.24 MPa were tested under axial compression.

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Restrained shrinkage behavior of high-performance

Other factors also such as loading cause concrete to crack as well. It is important to test various HPC mixes under restrained conditions to analyze their cracking behavior and severity. The AASHTO test (PP 34-06, The Passive or Restrained Ring Test) is utilized to measure the shrinkage of HPC mixes containing slag under restrained conditions.

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Compression Behavior of High-Performance Concrete and

To explore the compression behavior of confined high-performance concrete (HPC) and high-performance fiber-reinforced concrete (HPFRC), 24 HPC and HRFRC (steel fiber in 2% volume ratio) circular columns confined with spiral stirrups with compressive strengths up to 116.21 and 138.24 MPa were tested under axial compression.

get price

Mechanical Behavior of High-Performance Concrete under ...

ATG and ATD powder of concrete HPC at (a) 20°C, (b) 600°C, and (c) 900°C [18]. Figures - available via license: Creative Commons Attribution 3.0 Unported

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Behaviour of fibre-reinforced high-performance concrete

2017-8-23  behaviour of exterior beam-column joint with and without fibre-reinforced HPC and the reinforcement designed as per both IS 456-(2000) and IS 13920-(1993) with cross-diag-onal bars at the joint were tested under monotonic loading. Experimental investigation Materials Cement The ordinary Portland cement of 53 Grade conforming to

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Compression Behavior of High-Performance Concrete and

To explore the compression behavior of confined high-performance concrete (HPC) and high-performance fiber-reinforced concrete (HPFRC), 24 HPC and HRFRC (steel fiber in 2% volume ratio) circular columns confined with spiral stirrups with compressive strengths up to 116.21 and 138.24 MPa were tested under axial compression.

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Behaviour of fibre-reinforced high-performance concrete

This paper presents the effect of reinforced high performance concrete (HPC) in exterior beam-column joint with and without fibre under monotonic loading. In this experimental investigation, cross-diagonal bars have been provided at the joint for reducing the congestion of reinforcement in joints, and also M75 grade of concrete with optimum mix proportion of 10 % silica fume and 0.3 % glass ...

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Behavior of High-Strength High-Performance Concrete

2000-1-1  This paper describes the measured behavior of a bridge made with precast, prestressed, high-performance concrete (HPC) girders. The concrete was considered high-performance, because it was specified to have a compressive strength of 51 MPa (7400 psi) at release and 69 MPa (10,000 psi) at 56 days. By using HPC instead of normal-strength concrete ...

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RESTRAINED SHRINKAGE BEHAVIOR OF HEAT-CURED,

concrete at higher temperatures in the early hours to achieve a faster strength gain. Despite this proposition, heat blanket cured concrete has yet to be tested for restrained shrinkage using the ring test. Additionally, shrinkage reducing admixture has yet to be studied for HES-HPC

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Behaviour of high-performance concrete at high ...

2017-12-29  High-performance concrete (HPC) is one of the most recent types of concrete among the materials used routinely in building and civil structures. Their development in structures applications and the growing need for the justification of

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Restrained shrinkage behavior of high-performance

Other factors also such as loading cause concrete to crack as well. It is important to test various HPC mixes under restrained conditions to analyze their cracking behavior and severity. The AASHTO test (PP 34-06, The Passive or Restrained Ring Test) is utilized to measure the shrinkage of HPC mixes containing slag under restrained conditions.

get price

High-Performance Concrete (HPC) Scientific.Net

Abstract: High-performance concrete (HPC) will undergo severe damage under fire conditions. It is well known that vapor pressure induced by high temperatures plays an important role in the damaging process. Therefore, the determination of the moisture distribution evolution in concrete is essential to the damage analysis of heated HPC.

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