Inquiry

Structural behavior of precast UltraHigh Performance

(PDF) Structural Behavior of Precast Ultra-High Performance ...

Structural Behavior of Precast Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) Cantilever Retaining Walls: Part I - Analysis and Design Procedures and Environmental Impact Calculations (EIC)

Learn More

Structural behavior of precast Ultra-High Performance Fiber ...

Mar 12, 2014 · One of the main breakthroughs in the concrete technology in the 20th century was the development of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) as a new generation of sustainable construction material. This paper is presented in two parts. The analysis and design procedures as well as the Environmental Impact Calculations (EIC) of the precast UHPFRC cantilever retaining walls as ...

Learn More

Structural behavior of profiled dry joints between precast ...

Nov 13, 2018 · The very high‐compressive strength of ultra‐high performance fiber reinforced concrete (UHPFRC) as well as its enormous durability facilitate innovative design and construction of thin‐walled and weight‐optimized elements. Because the mixing and casting of UHPFRC are demanding processes, such elements are preferably precast.

Learn More

Structural Behavior of Ultrahigh-Performance Fiber-Reinforced ...

Ultrahigh-performance fiber-reinforced concrete (UHPFRC) is an innovative material in the field of bridge engineering. With superior mechanical characteristics, this new material reduced the structural self-weight and extended the span of modern bridges. A series of tests should be conducted to establish reliable design rules for UHPFRC structures. This paper aimed at determining the ...

Learn More

Structural Behavior of Waffle Bridge Deck Panels and ...

Structural Behavior of Waffle Bridge Deck Panels and Connections of Precast Ultra-High-Performance Concrete Experimental Evaluation Sriram R. Aaleti, Sri Sritharan, Dean Bierwagen, and Terry J ...

Learn More

Structural behavior of prestressed ultra-high performance ...

UltraHigh Performance Fibre Reinfored Concrete (UHPC) beams with and without openings are considered, with a … Lire la suite Structural behavior of prestressed ultra-high performance fibre-reinforced concrete beams with and without openings : comparison between experimental results and finite element modelling techniques

Learn More

Ultrahigh-Performance Concrete for Posttensioned Precast ...

Dec 12, 2017 · Precast concrete piers can also limit residual displacements after earthquakes when used with nonemulative connections. This paper investigates the use of ultrahigh-performance concrete (UHPC) to eliminate damage under moderate to high seismic activity for posttensioned self-centering precast piers.

Learn More

Publications | FHWA

Fatigue Behavior of an Ultra-High Performance Concrete I-Girder: Justin Ocel and Benjamin Graybeal: 2007: Proceedings of the Precast/Prestressed Concrete Institute National Bridge Conference, Phoenix, October 2007, p. 18. Structural Behavior of Ultra-High Performance Concrete Prestressed I-Girders: Benjamin Graybeal: 2006: FHWA Report HRT-06-115

Learn More

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

Umut Hasgul, Kaan Turker, Tamer Birol, Altug Yavas, Flexural behavior of ultra‐high‐performance fiber reinforced concrete beams with low and high reinforcement ratios, Structural Concrete, 10.1002/suco.201700089, 19, 6, (1577-1590), (2018).

Learn More

Structural behavior of ultra-high performance fiber ...

Sep 15, 2015 · H. Almansour, Z. LounisInnovative design approach of precast-prestressed girder bridges using ultra high performance concrete Can J Civ Eng, 37 (4) (2010), pp. 511-521 Google Scholar

Learn More

BEHAVIOR OF ULTRA-HIGH PERFORMANCE CONCRETE CONNECTIONS ...

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

Learn More

(PDF) Structural Behavior of Waffle Bridge Deck Panels and ...

Structural Behavior of Waffle Bridge Deck Panels and Connections of Precast Ultra-High-Performance Concrete

Learn More

Structural behavior of cast-in-place and precast concrete ...

Charron J-P, Niamba E, Massicotte B. 2011. Static and dynamic behavior of high- and ultrahigh-performance fiber-reinforced concrete precast bridge parapets. Journal of Bridge Engineering, ASCE 16 (3): 413-421 Crossref, Google Scholar.

Learn More

Structural behavior of ultra high performance concrete beams ...

Nov 01, 2010 · Various experimental tests on structural behavior are of importance in order to establish reasonable design specifications for UHPC. Therefore, this study provides a detailed presentation of experimental test results for the flexural behavior of ultra high performance concrete beams.

Learn More

Flexural behavior of precast UHPC beam with prestressed ...

Mar 01, 2020 · 1. Introduction. Ultra-high performance concrete (UHPC) is an advanced cement-based composite material that is optimized using the densified particle packing method .UHPC has not only excellent mechanical properties such as ultra-high compressive and tensile strengths and toughness but also ultra-high durability due to its good compactness and ultra-low permeability , , .

Learn More

High-performance precast concrete elements for overhead ...

Prestressed, high-performance precast elements consisting of ultra-high performance spun concrete and high-strength reinforcement were developed as part of a joint research project of iBMB of the TU Braunschweig with the collaboration of the Europoles company; the elements were optimized for being used as extra-high voltage poles and constitute ...

Learn More

Flexural behavior and analysis of prestressed ultra-high ...

structural design. A large portion of this effort has been directed toward its use in precast, prestressed concrete appli-cations, particularly for bridges. The U.S. Federal Highway Administration launched a project in 2001 that focused on familiarizing the concrete and transportation industries with UHPC and emphasized its performance in precast,

Learn More

Lateral Behavior of Precast Segmental UHPC Bridge Columns ...

The concept of an equivalent plastic-hinge model was used to evaluate the lateral behavior of precast segmental ultra-high-performance concrete (UHPC) bridge columns. The columns consist of precast UHPC segments that were integrated by unbonded post-tensioning (PT) tendons and complemented with energy dissipation (ED) bars.

Learn More

Shear Strength of Ultra High Performance Fiber Reinforced ...

Abstract. This paper presents a study of the behavior of ultra high performance fiber reinforced concrete (UHPFRC) precast segmental bridges, focusing on the response of joint types under shear, in service and ultimate limit states.

Learn More

Structural Behavior of a 2nd Generation UHPC Pi-Girder - FHWA ...

Structural Behavior of a Prototype Ultra-High Performance Concrete Pi-Girder,NTIS Report PB2009-115495, National Technical Information Service, Springfield, VA. AASHTO. (2007). AASHTO LRFD Bridge Design Specifications, 4th ed., American Association of State Highway and Transportation Officials, Washington, DC.

Learn More

Compressive and Flexural Strength Behavior of Ultra-high ...

Compressive and Flexural Strength Behavior of Ultra-high Performance Mortar Reinforced with Cellulose Nano-fibers Cellulose fibers, because of their chemical and physical characteristics, are compatible with other materials to be used for the production of building components.

Learn More

Structural behavior of precast Ultra-High Performance ...

One of the main breakthroughs in the concrete technology in the 20th century was the development of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) as a new generation of sustainable construction material. This paper is presented in two parts. The analysis and design procedures as well as the Environmental Impact Calculations (EIC) of the precast UHPFRC cantilever retaining walls as ...

Learn More

PDF Structural Behavior of Precast Ultra-High Performance ...

Structural Behavior of Precast UHPFRC Cantilever Retaining Walls: Part I-Analysis and Design Procedures and EIC Vol. 18, No. 5 / July 2014 − 1471 − retaining walls. In this regard, the precast UHPFRC cantilever retaining wall was analyzed in accordance with Eurocode 7 (EC7) requirements in BS EN 1997-1 (2004) and then was structurally designed

Learn More

Structural Behavior of Ultrahigh-Performance Fiber ...

Ultrahigh-performance fiber-reinforced concrete (UHPFRC) is an innovative material in the field of bridge engineering. With superior mechanical characteristics, this new material reduced the structural self-weight and extended the span of modern bridges. A series of tests should be conducted to establish reliable design rules for UHPFRC structures.

Learn More

(PDF) Structural Behavior of Precast Ultra-High ...

Structural Behavior of Precast UHPFRC Cantilever Retaining Walls: Part I-Analysis and Design Procedur es and EIC Vol. 00, No. 0 / 000 0000 − 11 − consumption, EE , CO2 emiss ions and G WP .

Learn More

(PDF) Structural behaviour of ultra-high performance fibre ...

5.1 Structural Performance . ... Structural behavior of precast tunnel segments in fiber . reinforced concrete, Tunneling and Underground . Space Technology, 26(2): 284-291.

Learn More

Structural behavior and environmental impact of precast ...

Structural behavior and environmental impact of precast ultra-high performance ductile concrete cantilever retaining walls . By Behzad Nematollahi. Get PDF (763 KB) Abstract. One of the main breakthroughs in concrete technology in the 20th century was the development of the steel fiber reinforced ultra high performance concrete (SFRUHPC), also ...

Learn More

Shear Behavior of Ultrahigh Performance Fiber-Reinforced ...

The safety margin of shear design provisions for ultrahigh performance fiber reinforced concrete (UHPFRC) requires quantification prior to widespread use. To this aim, the results of a dedicated experimental campaign described in a companion paper and available data from the literature have been used.

Learn More

Behavior Evaluation of Ultrahigh-Performance Concrete Beam ...

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 jacketed with UHPC. The experiment was performed to examine the optimum para-aramid fiber to reinforce the ductile UHPC, with the test variables fiber diameter and length.

Learn More

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

Ultra-high performance concrete (UHPC) is a type of cementitious composite, and demonstrates very high compressive strength and good ductility. The favorable ductility and energy dissipation capaci...

Learn More

Static and Dynamic Behavior of High- and Ultrahigh ...

Specific properties of high- and ultrahigh-performance FRC were exploited in these designs. The conventional reinforcement required in the FRC precast parapets varied from 0 to 50% when compared with a reference built-on-site parapet. An extensive experimental program was carried out to verify the performance of the FRC precast parapets.

Learn More

Experimental Investigation on Flexural Behavior of ...

They also concluded that the combination of steel fibers and high grade steel is promising. Kahanji et al. studied the structural performance of UHPC beams with different fiber content (1, 2 and 4% in volume). They reported that a minor difference was observed in the deformation and flexural behavior of beams with fiber contents of 1% and 2% in ...

Learn More

Structural behaviour of elements combining ultra-high ...

Ultra-High Performance Fibre-Reinforced Concretes (UHPFRC) have high mechanical strengths (fU,c > 150 MPa, fU,t > 6 MPa) and exhibit quasi-strain hardening in tension. Their very low permeability prevents the ingress of detrimental substances. In composite structural elements formed of normal strength reinforced concrete and Advanced Cementitious Materials (ACM), UHPFRC offer a high potential ...

Learn More

(PDF) Flexural behavior of an innovative dovetail ultra ...

An experimental program investigating the flexural behavior of an innovative dovetail ultra-high performance concrete joint for connecting precast ultra-high performance concrete slabs in ...

Learn More

Structural Performance of Precast Foamed Concrete Sandwich ...

In this paper, experimental and simple analytical studies on the structural behavior of Precast Foamed Concrete Sandwich Panel (PFCSP) were reported. Full-scale tests on six PFCSP panels varying in thickness were performed under axial load applications. Axial load-bearing capacity, load-deflection profiles, load-strain relationships, slenderness ratio, load-displacement, load-deformation ...

Learn More