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BEHAVIOR OF ULTRAHIGH PERFORMANCE CONCRETE

BEHAVIOR OF ULTRAHIGH PERFORMANCE CONCRETE

Compressive Behavior of Ultra-High-Performance Fiber ...

Ultra-high performance fiber-reinforced concrete (UHPFRC) is a new class of concrete that has been developed in recent years. When compared with high performance concrete (HPC), UHPFRC exhibits superior properties in terms of compressive behaviors, tensile behaviors, and durability.

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Structural Behavior of Ultra-High Performance Concrete ...

In the past decade significant advances have been made in the field of high performance concretes (HPC). The next generation of concrete, ultra-high performance concrete (UHPC), exhibits exceptional tensile and compressive strength characteristics that make it well suited for use in highway bridge structures.

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Behavior of Ultra High Performance Concrete at Early Age ...

Behavior of Ultra High Performance Concrete at Early age: Experiments and Simulations days. Circumferential expansion control for compression tests and crack mouth opening displacement (CMOD) control for three-point bending and splitting tests were utilized to obtain full post-peak behavior. Furthermore, boundary e ects in compression tests were

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(PDF) BEHAVIOR OF ULTRA HIGH PERFORMANCE CONCRETE ...

A study has been made through this investigation to understand the behavior of UHPC members with steel fibers by using two approaches: experimental investigation of concrete mixes and simulation of the problem studied by other researchers using

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(PDF) Behavior of ultra high performance concrete structures

This research work was conducted to investigate the effects of key structural parameters on the shear behavior of non-prestressed ultra-high performance concrete (UHPC) beams passively reinforced ...

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Structural behavior of ultra high performance concrete ...

Nov 01, 2010  Si-Larbi A, Ferrier E, Hamelin P. Flexural behavior of ultra high performance concrete reinforced with short fibers and CFRP rebars. In: Proceedings of 2nd international symposium on ultra high performance concrete. 2008. p. 661–72.

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Compressive Behavior of Ultra-High-Performance Fiber ...

Ultra-high performance fiber-reinforced concrete (UHPFRC) is a new class of concrete that has been developed in recent years. When compared with high performance concrete (HPC), UHPFRC exhibits superior properties in terms of compressive behaviors, tensile behaviors, and durability.

get price

(PDF) BEHAVIOR OF ULTRA HIGH PERFORMANCE CONCRETE ...

A study has been made through this investigation to understand the behavior of UHPC members with steel fibers by using two approaches: experimental investigation of concrete mixes and simulation of the problem studied by other researchers using

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Behavior of Ultra High Performance Concrete at Early Age ...

Behavior of Ultra High Performance Concrete at Early Age: Experiments and Simulations Lin Wan1, Roman Wendner2, Gianluca Cusatis3 1PhD, Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Rd. A120, Evanston IL, 60208 USA. E-mail: [email protected],

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Behavior of Field-Cast Ultra-High Performance Concrete ...

Behavior of Field-Cast Ultra-High Performance Concrete Bridge Deck Connections Under Cyclic and Static Structural Loading . November 2010 . NTIS Accession No. PB2011-101995 . FHWA Publication No. FHWA-HRT-11-023

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Behavior and Modeling of Ultra-High Performance Concrete ...

Oct 05, 2020  This paper presents an experimental investigation and a stress–strain model for ultra-high performance concrete (UHPC)-filled fiber reinforced polymer (FRP) tubes under cyclic axial compression. Test results from 12 cyclically loaded and 18 monotonically loaded cylindrical specimens with different tube thicknesses, curing regimes, and steel ...

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Characterization of the behavior of ultra-high performance ...

The next generation of concrete, Ultra-High Performance Concrete (UHPC), exhibits exceptional strength and durability characteristics that make it well suited for use in highway bridge structures ...

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Shear Behavior of Ultra High Performance Concrete Beams ...

Keywords: Ultra high performance concrete, Steel fibers, Shear response, Shear reinforcement, Finite element analysis 1. Introduction Extensive research and development efforts, over the past three decades, to improve properties of concrete have led to the emergence of Ultra High Performance Concrete (UHPC). In order to

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Control of Tensile Behavior of Ultra-High Performance ...

Control of Tensile Behavior of Ultra-High Performance Concrete Through Artificial Flaws and Fiber Hybridization Su-Tae Kang1), Kang-Seok Lee2), Jeong-Il Choi2), Yun Lee3), Burak Felekog˘lu4), and Bang Yeon Lee2),* (Received March 21, 2016, Accepted May 25, 2016, Published online June 28, 2016)

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Structural behavior of ultra‐high performance (fiber ...

May 09, 2020  In ultra‐high performance concrete (UHPC) 17 under tension, cracks occur at very small distances due to the high bond stresses with the bonded reinforcement. 18, 19 With ultra‐high performance fiber‐reinforced concrete (UHPFRC), the crack spacings are further reduced and tension stiffening increases due to the contribution of the steel ...

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Experimental Compressive Behavior and Numerical Modeling ...

Ultra-high performance concrete (UHPC) is commonly defined as a cementitious material, reinforced by fiber, which has compressive and sustained post-cracking tensile strength of more than 21.7 ksi (150 MPa) and 0.72 ksi (5 MPa), respectively. The outstanding mechanical behavior of UHPC is owed to its particular mixture.

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Mechanical Properties and Anti-Spalling Behavior of Ultra ...

The positive relationship between the fracture energy and the anti-spalling behavior of steel fiber reinforced UHPC can be presented. These results suggest that recycled steel fiber can be a toughening material and substitute for industrial steel fibers to be used in ultra-high performance concrete, especially RSFR.

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Pullout Behavior of High-Strength Steel ... - concrete

Jul 01, 2012  Furthermore, the equivalent bond strength of straight steel fibers, which are commonly used in ultra-high-performance fiber reinforced concrete (UHP-FRC), can be doubled to a value exceeding 20 MPa (2.9 ksi) by optimizing the UHPC matrix through composition and particle size distribution, leading to an atypical pullout load-slip-hardening behavior.

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Innovative structural design with UHPFRC

Developed in the late 90s, Ultra High Performance Fibre-Reinforced Concrete (UHPFRC) are materials increasingly used in building and civil engineering construction sectors. Their development is mainly based on the possibility of designing sustainable structures with less materials, which requires to develop adequate designing rules.

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Production of the Test Timber-UHPC Composite Bridge ...

This article presents the results of the experimental development of a unique bridge system consisting of timber beams connected with bridge deck segments made of Ultra-High Performance Concrete (UHPC). The article deals with the production of a full-scale prototype of the timber-concrete composite structure and with an execution of a subsequent load test.

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(PDF) BEHAVIOR OF ULTRA HIGH PERFORMANCE CONCRETE ...

This phenomenon observed at high ages. The compressive strength was was not observed in self-compacting ultra-high 250MPa at an age of six years which was 58% more than performance concrete. the 28 day strength of 160MPa. Washer et al. (2006) [9] reported on the development of ultrasonic methods for monitoring the 2.

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Analysis of the behavior of ultra high performance ...

Ultra high performance concretes (UHPCs) are cementitious composite materials with high level of performance characterized by high compressive strength, high tensile strength and superior durability. These are reached by a low water-to-binder ratio, optimized aggregate size distribution, thermal activation, and fiber reinforcement.

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BEHAVIOR OF ULTRA-HIGH PERFORMANCE CONCRETE

BEHAVIOR OF ULTRA-HIGH PERFORMANCE CONCRETE . CONNECTIONS BETWEEN PRECAST BRIDGE DECK ELEMENTS . Benjamin A. Graybeal, Ph.D., P.E., FHWA, McLean, VA . ABSTRACT . The Federal Highway Administration’s ongoing research program into the use of Ultra-High Performance Concrete (UHPC) in highway bridges has

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Behavior of Field-Cast Ultra-High Performance Concrete ...

Behavior of Field-Cast Ultra-High Performance Concrete Bridge Deck Connections Under Cyclic and Static Structural Loading . November 2010 . NTIS Accession No. PB2011-101995 . FHWA Publication No. FHWA-HRT-11-023

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Shear Behavior of Ultra High Performance Concrete Beams ...

Keywords: Ultra high performance concrete, Steel fibers, Shear response, Shear reinforcement, Finite element analysis 1. Introduction Extensive research and development efforts, over the past three decades, to improve properties of concrete have led to the emergence of Ultra High Performance Concrete (UHPC). In order to

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Behavior of High-Strength and Ultrahigh-Performance ...

Behavior of High-Strength and Ultrahigh-Performance Concrete Targets Subjected to Relatively Rigid Projectile Impact. ... W., M. Nöldgen, E. Straßburger, K. Thoma, and E. Fehling. 2010. “Local damage to ultra high performance concrete structures caused by an impact of aircraft engine missiles.” Nucl. Eng. Des. 240 (10): 2633–2642. https ...

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Shear Behavior of Ultra-High-Performance Concrete Beams ...

Jul 01, 2019  Title: Shear Behavior of Ultra-High-Performance Concrete Beams Reinforced with High-Strength Steel Bars Author(s): S. Ahmad, S. Bahij, M. A. Al-Osta, S. K. Adekunle, and S. U. Al-Dulaijan Publication: Structural Journal Volume: 116 Issue: 4 Appears on pages(s): 3-14 Keywords: concrete beam; cracking pattern; high-strength steel; mechanistic model; shear capacity; ultra-high-performance ...

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Behavior of Prestressed Ultra High Performance Concrete ...

Proceedings of the International Symposium on Ultra High Performance Concrete. Kassel, Germany, September 13 -15, (2004), pp.11-23. [2] Graybeal A.B. Characterization of the Behavior of ultra-high Performance concrete. Doctoral thesis of University of Maryland, (2005). ...

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Experimental Compressive Behavior and Numerical Modeling ...

Ultra-high performance concrete (UHPC) is commonly defined as a cementitious material, reinforced by fiber, which has compressive and sustained post-cracking tensile strength of more than 21.7 ksi (150 MPa) and 0.72 ksi (5 MPa), respectively. The outstanding mechanical behavior of UHPC is owed to its particular mixture.

get price

A Review on Structural Behavior, Design, and Application ...

Keywords: ultra-high-performance fiber-reinforced concrete, bond performance, structural behavior, design code, application. 1. Introduction Ultra-high-performance fiber-reinforced concrete (UHPFRC), which was developed in the mid-1990s, has attracted much attention from researchers and engineers for

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A review on seismic behavior of ultra-high performance ...

Nov 03, 2020  Zohrevand, P, Mirmiran, A (2013 a) Effect of column parameters on cyclic behavior of ultra-high-performance concrete-filled fiber-reinforced polymer tubes. ACI Structural Journal 110(5): 823 – 832. Google Scholar

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Evaluation of bond‐slip behavior of reinforcement in ultra ...

Jun 09, 2021  Bond strength of steel reinforcement embedded in ultra-high-performance fiber-reinforced concrete (UHPFRC) plays a vital role in the post-cracking behavior of reinforced UHPFRC members in flexure or tension. This paper presents an analytical study on the bond strength of steel reinforcement in UHPFRC.

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Pullout Behavior of High-Strength Steel ... - concrete

Jul 01, 2012  Furthermore, the equivalent bond strength of straight steel fibers, which are commonly used in ultra-high-performance fiber reinforced concrete (UHP-FRC), can be doubled to a value exceeding 20 MPa (2.9 ksi) by optimizing the UHPC matrix through composition and particle size distribution, leading to an atypical pullout load-slip-hardening behavior.

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Research on uniaxial compressive behavior of high‐strength ...

Sep 29, 2020  To study the uniaxial compressive behavior and constitutive relationship of high-strength spiral stirrups confined circular ultra-high performance concrete (UHPC) columns, an experimental investigation was presented.

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