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Laboratory Evaluation of UltrahighPerformance Concrete

Laboratory Evaluation of UltrahighPerformance Concrete

Laboratory Evaluation of Ultrahigh-Performance Concrete ...

With its superior strength and durability, ultrahigh-performance concrete (UHPC) has been used as an alternative grout material to reduce shear key cracking and enhance load transfer. The objective of the present research was to evaluate the performance of UHPC in shear keys using direct shear, direct tension, and flexural tests.

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Laboratory Evaluation of Ultrahigh-Performance Concrete ...

Request PDF Laboratory Evaluation of Ultrahigh-Performance Concrete Shear Key for Prestressed Adjacent Precast Concrete Box Girder Bridges Precast adjacent box girder bridges have become a ...

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Laboratory and Field Evaluation of an Alternative UHPC Mix ...

Ultra-high performance concrete (UHPC) is a relatively new class of concrete that has material and durability properties superior to normal concrete. These unique properties make it appropriate for use in construction for highway bridges. Field applications of UHPC for highway bridges in

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Performance evaluation of Ultrahigh performance fibre ...

Jan 30, 2020  Abstract. Ultrahigh performance fibre reinforced concrete (UHPFRC) is a newfangled cement-based material unveiling a compressive strength of more than 150 MPa, higher tensile and flexural strengths, ductility as well as admirable durability. This review of the past researches on diverse influential features is vital in obtaining fundamental ...

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Proportion and Evaluation of Ultra-High Performance ...

PROPORTION AND EVALUATION OF ULTRA-HIGH PERFORMANCE CONCRETE USING LOCAL MATERIALS Flávia Ribeiro Furtado de Mendonça, M.S. University of Nebraska, 2019 Advisor: Jiong Hu Ultra-high performance concrete (UHPC) is a new class of concrete that has superior workability, as well as mechanical and durability properties that far exceed those of ...

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"Evaluation of Elastic-Plastic and Damage Models for Ultra ...

Ultra-high performance concrete (UHPC) has been developed in recent decades as a new class of concrete which exhibits increased strength, durability and long-term stability when compared with normal strength concrete (NSC) and high performance concrete (HPC). While extensive research has previously been performed on constitutive modeling of NSC, constitutive modeling of HPC and UHPC

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Laboratory and Field Evaluation of an Alternative UHPC Mix ...

Ultra-high performance concrete (UHPC) is a relatively new class of concrete that has material and durability properties superior to normal concrete. These unique properties make it appropriate for use in construction for highway bridges. Field applications of UHPC for highway bridges in

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Performance evaluation of ultra-high performance concrete ...

Oct 05, 2020  Ultra-high performance concrete is a blended composite material mainly based on cement. Since a standard definition to describe the material is not available so far it is often defined with its distinctive properties being compressive, flexure and split-tensile strengths in the excess of 120 MPa, 15 MPa and 8Mpa along with enhanced durability, very low permeability, very high energy absorption ...

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Proportion and Evaluation of Ultra-High Performance ...

PROPORTION AND EVALUATION OF ULTRA-HIGH PERFORMANCE CONCRETE USING LOCAL MATERIALS Flávia Ribeiro Furtado de Mendonça, M.S. University of Nebraska, 2019 Advisor: Jiong Hu Ultra-high performance concrete (UHPC) is a new class of concrete that has superior workability, as well as mechanical and durability properties that far exceed those of ...

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Performance evaluation of Ultrahigh performance fibre ...

Jan 30, 2020  Abstract. Ultrahigh performance fibre reinforced concrete (UHPFRC) is a newfangled cement-based material unveiling a compressive strength of more than 150 MPa, higher tensile and flexural strengths, ductility as well as admirable durability. This review of the past researches on diverse influential features is vital in obtaining fundamental ...

get price

(PDF) Evaluation of modulus of elasticity of ultra-high ...

Ultra-high performance concrete (UHPC) which is characterised by high strength and, when reinforced with steel fibres, high ductility, has the potential to revolutionise the construction industry.

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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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Concrete - CTLGroup Laboratory - Concrete Testing

Concrete. CTLGroup’s expertise on the laboratory evaluation of concrete materials is unparalleled. Our experts’ extensive experience in performing evaluations and providing insights with regards to the interpretation of results is matched by our fully equipped laboratory to perform virtually any laboratory test on concrete.

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Evaluation of modulus of elasticity of ultra-high ...

Evaluation of modulus of elasticity of ultra-high performance concrete Ali Alsalmana, Canh N. Dangb,c,⇑, Gary S. Prinza, W. Micah Halea a University of Arkansas, Department of Civil Engineering ...

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Experimental Investigation of Surface Preparation on ...

Apr 04, 2021  Laboratory Evaluation of Ultrahigh-Performance Concrete Shear Key for Prestressed Adjacent Precast Concrete Box Girder Bridges Journal of Bridge Engineering September 2016 Behavior of Ultrahigh-Performance Concrete Confined by Steel

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"Evaluation of Elastic-Plastic and Damage Models for Ultra ...

Ultra-high performance concrete (UHPC) has been developed in recent decades as a new class of concrete which exhibits increased strength, durability and long-term stability when compared with normal strength concrete (NSC) and high performance concrete (HPC). While extensive research has previously been performed on constitutive modeling of NSC, constitutive modeling of HPC and UHPC

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Introduction to Ultra-High Performance Concrete Webinars ...

Ultra-High Performance Concrete (UHPC) is defined as a class of concrete having compressive strengths generally between 22 ksi and 30 ksi. This material also exhibits a range of other material properties that make it desirable for use within the concrete industry. This webinar, presented by WJE's Elise Love, provides an introduction to UHPC ...

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Study on Field Thermal Curing of Ultra-High-Performance ...

“Local Damage to Ultra High Performance Concrete Structures Caused by an Impact of Aircraft Engine Missiles,” Elsevier Ltd, Oxford, UK, 2010, pp. 2633-2642.

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Laboratory and Field Evaluation of an Alternative UHPC Mix ...

Ultra-high performance concrete (UHPC) is a relatively new class of concrete that has material and durability properties superior to normal concrete. These unique properties make it appropriate for use in construction for highway bridges. Field applications of UHPC for highway bridges in the United States started in 2006. For this project, UHPC called K-UHPC, which was developed by the Korea ...

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Proportion and Evaluation of Ultra-High Performance ...

PROPORTION AND EVALUATION OF ULTRA-HIGH PERFORMANCE CONCRETE USING LOCAL MATERIALS Flávia Ribeiro Furtado de Mendonça, M.S. University of Nebraska, 2019 Advisor: Jiong Hu Ultra-high performance concrete (UHPC) is a new class of concrete that has superior workability, as well as mechanical and durability properties that far exceed those of ...

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Damage evaluation of ultra-high performance concrete ...

Blast load, ultra-high performance concrete column, pressure–impulse diagram, damage evaluation, residual strength Introduction Ultra-high performance concretes (UHPCs) are cementitious material consisting of cement, sand, ... Concrete mixtures were prepared in a laboratory concrete mixer. Cubic specimens with dimen-

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Design and evaluation of a single-span bridge using ultra ...

Design and evaluation of a single-span bridge using ultra-high performance concrete. About; ... code adoption and to provide a performance evaluation to ensure the viability of the first UHPC bridge in the United States. Two other secondary objectives included defining of material properties and understanding of flexural behavior of a UHPC ...

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(PDF) Evaluation of modulus of elasticity of ultra-high ...

Ultra-high performance concrete (UHPC) which is characterised by high strength and, when reinforced with steel fibres, high ductility, has the potential to revolutionise the construction industry.

get price

Evaluation of modulus of elasticity of ultra-high ...

Oct 30, 2017  1. Introduction. Ultra-high performance concrete (UHPC) is a recent development in concrete technology. UHPC is a highly durable cement-based composite with a high compressive and tensile strength .The enhanced mechanical properties lead to the increased flexural resistance, shear strength, and durability for concrete structures.

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Standard Practice for Fabricating and Testing Specimens of ...

Laboratory. Materials Evaluation and Testing ... Hardened Concrete - High And Ultra-High-Performance Concrete - Manufacturing Process - Size - Test Specimens And Test Engines . ICS CODE ICS Number Code 91.100.30 (Concrete and concrete products) UNSPSC CODE UNSPSC Code 30111500(Concrete and mortars) ...

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

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.

get price

Concrete - CTLGroup Laboratory - Concrete Testing

Concrete. CTLGroup’s expertise on the laboratory evaluation of concrete materials is unparalleled. Our experts’ extensive experience in performing evaluations and providing insights with regards to the interpretation of results is matched by our fully equipped laboratory to perform virtually any laboratory test on concrete.

get price

Performance of Ultra-High-Performance Concrete in Harsh ...

Sep 01, 2020  This paper presents the durability performance of ultra-high-performance concrete (UHPC) exposed to a marine environment for up to 21 years. Concrete specimens (152 x 152 x 533 mm [6 x 6 x 21 in.]) were cast using a water-cementitious materials ratio (w/cm) in the range of 0.09 to 0.19, various types and lengths of steel fibers, and the ...

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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. A research program was initiated to characterize

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Ultra-High Performance Concrete FHWA

Ultra-high performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and high-performance concretes. UHPC is being considered for use in a wide variety of highway infrastructure applications. The high compressive and tensile strengths allow for the redesign ...

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Material design of economical ultra-high performance ...

Material design of economical ultra-high performance concrete (UHPC) and evaluation of their properties. Aashay ... / Material design of economical ultra-high performance concrete (UHPC) and ... was conducted in the Laboratory for the Science of Sustainable Infrastructural Materials and the Structural Engineering Laboratory at Arizona State ...

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Publications FHWA - Transportation

Ultra-high-performance concrete connections for precast concrete bridge decks: Benjamin Graybeal: 2014: PCI Journal, V. 59, No. 4, 2014, pp. 48-62. Splice Length of Prestressing Strand in Field-Cast Ultra-High Performance Concrete Connections : Benjamin Graybeal: 2014: FHWA

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