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Evaluation of UltrahighPerformance Concrete

Evaluation of UltrahighPerformance Concrete

Evaluation of Ultra-High-Performance Fiber-Reinforced Concrete

Recently, a new ultra-high-performance fiber-reinforced concrete (UHPC) was introduced into construction. The fibers in UHPC provide tensile capacity across cracks

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"Evaluation of ultra-high performance concrete (UHPC) in ...

Jun 30, 2016  Not much attention is given to the design of joints as they are positioned in low moment regions and typically a 4 to 6 ksi (28 to 41 MPa) concrete is used to fill the

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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

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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

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Evaluation of Ultra-High Performance Concrete Grout ...

Sep 07, 2017  Ultra-high performance concrete (UHPC) has been recently proposed as an alternate grout material to fabricate shear keys that will not develop longitudinal cracks

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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

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"Evaluation of ultra-high performance concrete (UHPC) in ...

Jun 30, 2016  Not much attention is given to the design of joints as they are positioned in low moment regions and typically a 4 to 6 ksi (28 to 41 MPa) concrete is used to fill the joints. One of the solution to this problem is Ultra-high performance concrete (UHPC

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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

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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

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Behavior Evaluation of Ultrahigh-Performance Concrete Beam ...

May 20, 2019  This experimental research was performed to evaluate the shear and flexural behavior for two cases of reinforced concrete beams: ultrahigh-performance concrete (UHPC) and normal-strength concrete

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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

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Performance evaluation of ultra-high performance concrete ...

Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) is a cement based composite material with distinctive properties such as compressive and flexure strengths in the excess of 150MPa and

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Mix design and performance evaluation of ultra-high ...

Keywords: Ultra-high Performance Concrete, mix design, performance evaluation, basalt aggregate, powder content 1 Introduction Ultra-High Performance Concrete (UHPC) is a relatively new building material, which has been fabricated since 1990s. Compared to conventional concrete

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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

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Evaluation of setting time in ultra high performance concrete

Kim, SW, Park, JJ, Yoo, DY Yoon, YS 2012, Evaluation of setting time in ultra high performance concrete. in Advances in Fracture and Damage Mechanics XI. Key Engineering Materials, vol. 525

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Mix design and properties evaluation of Ultra-High ...

Keywords: Mix design, fillers, properties evaluation, Ultra-High Performance Concrete (UHPC), UltraHigh - Performance Fibre Reinforced Concrete (UHPFRC) INTRODUCTION . The development of new plasticizing concrete

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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 September 2009 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. 9.

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Publications FHWA - Transportation

Aug 27, 2021  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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Evaluation of Ultra-High-Performance Fiber-Reinforced Concrete

Recently, a new ultra-high-performance fiber-reinforced concrete (UHPC) was introduced into construction. The fibers in UHPC provide tensile capacity across cracks, resulting in high shear

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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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"Evaluation of ultra-high performance concrete (UHPC) in ...

Jun 30, 2016  Not much attention is given to the design of joints as they are positioned in low moment regions and typically a 4 to 6 ksi (28 to 41 MPa) concrete is used to fill the joints. One of the solution to this problem is Ultra-high performance concrete (UHPC). In the recent past significant research has been done to use UHPC in deck-level connections ...

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Evaluation of Ultra-High Performance Concrete, Fiber ...

Evaluation of Ultra-High Performance Concrete, Fiber Reinforced Self-Consolidating Concrete, and MALP Concrete for Prestressed Girder Repair. Ultra-high performance concrete (UHPC), fiber-reinforced self-consolidating concrete, and magnesium-alumino-liquid-phosphate (MALP) concrete all have significant potential for use in bridge repair in Oklahoma.

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RESEARCH: Evaluation of Ultra-High-Performance Concrete ...

RESEARCH: Evaluation of Ultra-High-Performance Concrete Mix Designs for Use in Bridge Connections and Repair Student: Trevor Looney, University of Oklahoma Trevor was presented with a 2018 Slag Cement Project of the Year Award in the Category of Research.

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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, silica fume, silica flour, superplasticizer and water. With high packing density, UHPCs are equipped

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

Research presented herein describes an application of a newly developed material called Ultra-High Performance Concrete (UHPC) to a single-span bridge. ... 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 ...

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2284 Evaluation of Ultra-High Performance Concrete, Fiber ...

2284 Evaluation of Ultra-High Performance Concrete, Fiber Reinforced Self-Consolidating Concrete, and MALP Concrete for Prestressed Girder Repair. The objectives of the proposed research are intended to achieve the goal of using ultra-high performance concrete (UHPC), fiber reinforced self-consolidating concrete (FR-SCC), and MALP concrete to ...

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Damage evaluation of ultra-high performance concrete ...

Mar 08, 2018  Parametric study on effects of ultra-high performance concrete strength, column height, cross-section size and reinforcement ratio is performed and analytical equations are proposed for generating pressure–impulse diagrams for generic ultra-high performance concrete columns.

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Mix design and performance evaluation of ultra-high ...

Keywords: Ultra-high Performance Concrete, mix design, performance evaluation, basalt aggregate, powder content 1 Introduction Ultra-High Performance Concrete (UHPC) is a relatively new building material, which has been fabricated since 1990s. Compared to conventional concrete, it has superior mechanical strength,

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Proportion and Evaluation of Ultra-High Performance ...

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 conventional concrete. To achieve these properties, a very dense internal structure and the

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Investigation of Ultra-High Performance Concrete for ...

Jul 11, 2018  In recent decades, many state DOTs have implemented ultra-high performance concrete (UHPC) in bridge construction because of its advanced mechanical properties beyond those of conventional concrete. The Federal Highway Administration (FHWA) has extensively tested a proprietary class of UHPC, but WSDOT has been hesitant to adopt this mix because of its high cost and

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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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Experimental Evaluation of Dowel Action in Ultra-High ...

Apr 09, 2021  The test specimens made of ultra-high performance concrete are used to measure the shear transferred by longitudinal bars (dowel action). Based on the results of the tests and other studies, we present a suitable model for the shear mechanism through the bars in the cracked surfaces of ultra-high performance concrete.

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"Proportion and Evaluation of Ultra-High Performance ...

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 conventional concrete. To achieve these properties, a very dense internal structure and the very low water-to-binder ratio (w/b) generally are necessary. While particle packing models are typically used to design UHPC, due to ...

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