Structural Behavior Of Precast UltraHigh Performance

Innovative Precast Girders of Fiber and High-Performance

The stationary production processes offer precast construction optimal possibilities for applying high-performance concretes, for which remarkable developments have taken place (Fig. 1). Self-compacting concretes (SCC), high-performance concretes (HPC) and ultra-high performance concretes (UHPC) are representative for these.

Experimental and numerical investigation of steel–ultra-high

A finite element model was developed to predict the behavior of steel–ultra-high-performance concrete continuous composite beam. Comparing the numerical and experimental results indicates that, generally, the numerical model can simulate the structural behavior of steel–ultra-high-performance concrete continuous composite beam reasonably.

Compressive behavior of ultra-high performance fiber

In this study, the axial compressive behavior of FRP confined ultra-high performance fiber-reinforced concrete (UHPFRC) has been experimentally investigated. Based on the test results, a comprehensive assessment of the parameters that may influence the axial compressive behavior of FRP confined UHPFRC is carried out.

Structural Behavior of a Prototype UHPC Pi-Girder

Structural Behavior of a Prototype UHPC Pi-Girder. This document is a technical summary of the unpublished Federal Highway Administration report, Structural Behavior of a Prototype Ultra-High Performance Concrete Pi-Girder, available only through the National Technical Information Service (NTIS).

Ultra-High Performance Concrete and Nanotechnology in

Ultra-High Performance Concrete and Nanotechnology in Construction Proceedings of Hipermat 2012. 3rd International Symposium on UHPC and Nanotechnology for High Performance Construction Materials, Kassel, March 7-9, 2012

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.

(PDF) Structural Performance of Precast Prestressed Bridge

Structural Performance of Precast Prestressed Bridge Girders Built with Ultra High Performance Concrete

Structural behavior of ultra-high performance fiber

Structural behavior of ultra-high performance fiber reinforced concrete-normal strength concrete or high strength concrete composite members Author links open overlay panel Luaay Hussein Lamya Amleh Show more

Ultra high performance concrete materials

processes • Full-depth precast deck panels with and without longitudinal post- ... Structural performance of ultra-high-performance concrete beams with different steel fibers. ... & Graybeal, B. A. (2011). Modeling structural performance of second-generation ultrahigh-performance concrete pi-girders. Journal of Bridge Engineering, 17(4), 634 ...

A Study on the Flexural Performance of UHPC Precast Deck

Ultra-High Performance Concrete, Precast Deck System, Steel Fiber Exposure, Lap -Spliced Connection, 4-Point Bending Test 1. Introduction Ultra-High Performance Concrete (UHPC) is the latest concrete featured by an ultrahigh strength larger than - 150 MPa and high toughness with a tensile strength higher than 5 MPa.

Structural behavior of cast-in-place and precast concrete

Jan 16, 2015 · 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.

Experimental and Numerical Investigation on the Seismic

In order to analyze seismic behavior of large-scale exterior joints of high-rise precast concrete structures, an experimental study on seismic performances of precast beam to column exterior joints with composite slab was conducted with large full-scale models. The failure pattern, hysteretic characteristic, skeleton curve, displacement ductility and energy dissipation, were …

Experience and Applications of Ultra-high Performance Concrete

Experience and Applications of Ultra-high Performance Concrete 6 The UHPC panels have typical dimensions of 11.0m × 2.3m, a nominal thickness of only 25mm, and are supported by two integral 250mm deep beams, as illustrated in Fig 4(b). The panels were precast

Index, Structural Behavior of Ultra-High Performance

Index, Structural Behavior of Ultra-High Performance Concrete Prestressed I-Girders CHAPTER 4. GIRDER FABRICATION AND EXPERIMENTAL METHODS. The experimental program-from the girder fabrication through the methods used to test the full-scale UHPC girders-is described in this chapter.

Structural behavior of profiled dry joints between precast

Structural behavior of profiled dry joints between precast ultra‐high performance fiber reinforced concrete elements. Vincent Oettel, Technische Universität Braunschweig, iBMB – Division of Concrete Construction, Beethovenstraße 52, 38106 Braunschweig, Germany.

STRUCTURAL USE OF ULTRA-HIGH PERFORMANCE FIBER REINFORCED

STRUCTURAL USE OF ULTRA-HIGH PERFORMANCE FIBER REINFORCED CONCRETE Aurelio Muttoni (Swiss Federal Institute of Technology, Structural Concrete Laboratory) A high performance concrete project currently under way at the Structural Concrete Labora-tory (IS-BETON - EPFL) aims at examining new concepts and design approaches to design

Structural Behavior of Waffle Bridge Deck Panels and

of its superior structural and durability characteristics. On the basis of the advantages of UHPC and precast systems, a design for a full-depth UHPC waffle deck panel system was developed.

A study on the flexural behavior of lap-spliced cast-in

In this paper, the results of basic tests conducted to evaluate the flexural behavior of lap-spliced joints that exploit the remarkable bonding performance of ultra-high performance concrete (UHPC) are presented. The effects of varying the lap-spliced length and joint length on the flexural behavior of the test members were examined.

(PDF) Structural Behavior of Precast Ultra-High

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)

STRUCTURAL BEHAVIOUR OF REINFORCED CONCRETE ELEMENTS IMPROVED

STRUCTURAL BEHAVIOUR OF REINFORCED CONCRETE ELEMENTS IMPROVED BY LAYERS OF ULTRA HIGH PERFORMANCE REINFORCED CONCRETE John Wuest1 Abstract The investigated composite elements combine a reinforced concrete central core with two UHPFRC layers with the objective to increase the load carrying capacity and to improve durability.

Structural Behavior of Ultra High Performance Concrete Beams

Structural Behavior of Ultra High Performance Concrete Beams Without Stirrups. This paper presents comparative behavior of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) beams under flexural and shear loading. Four large scale UHPFRC beams with different reinforcement ratios were tested under dominant shear and flexure loading.

MAT-702: MECHANICAL BEHAVIOUR OF ULTRA-HIGH PERFORMANCE

Prefabricated bridge elements and systems are structural components of bridge elements that are built offsite, and assembled onsite with cast-in-place reinforced-concrete connections, i.e. used for the precast full-depth deck panels (FDDPs) in accelerated bridge construction and other structural elements. Concrete is a composite material composed

Structural Behavior of Ultra High Performance Concrete

Abstract. In the past decade significant advances have been made in the field of high performance concretes. 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.

Flexural behavior of hybrid concrete beams

12/1/2013 · Read "Flexural behavior of hybrid concrete beams reinforced with ultra-high performance concrete bars, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of …

Non-Proprietary Ultra-High-Performance Concrete For

Jun 13, 2019 · Because of these exceptional performance characteristics, UHPC has the potential to provide numerous benefits to the structural precast concrete industry, from enabling structural designs with smaller cross-sections, greater prestressing and reduced conventional reinforcing, to allowing the production of longer-span elements with fewer ...

Structures Design Office --- Ultra High Performance Concrete

Structural Behavior of Ultrahigh-Performance Concrete Beams Without Stirrups (18-04661) 2017 International Accelerated Bridge Construction Conference (Dec 6-8): A Cost-Effective and Durable Full Depth Precast Deck System - Case Studies (He)

A study on the flexural behavior of lap-spliced cast-in-place

In this paper, the results of basic tests conducted to evaluate the flexural behavior of lap-spliced joints that exploit the remarkable bonding performance of ultra-high performance concrete (UHPC) are presented. The effects of varying the lap-spliced length and joint length on the flexural behavior of the test members were examined.

Structural behavior of ultra high performance concrete beams

Ultra high performance concrete (UHPC) exhibits improved performance compared to conventional concrete. 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. The ...

Mechanical and structural behaviors of ultra-high-performance

Mechanical and structural behaviors of ultra-high-performance fiber-reinforced concrete subjected to impact and blast Author links open overlay panel Doo-Yeol Yoo a Nemkumar Banthia b Show more

Evaluation of Structural Behavior of Precast Prestressed

Evaluation of Structural Behavior of Precast Prestressed Concrete Pavement with Finite Element Analysis Kukjoo Kim, Mang Tia, and James Greene Transportation Research Record 2016 2590 : 1 , 84-93

Hybrid fiber and ultrahigh performance cementitious

Hybrid fiber and ultrahigh performance cementitious composites ... and precast members. The potential use of mono and hybrid fibrous cementations composites include: blast/impact resistant panels, rehabilitation of reinforced concrete structural members, and structural members exposed to explosive and harsh environmental conditions. ...

Behavior of Ultra-High Performance Concrete Connections

Behavior of Ultra-High Performance Concrete Connections between Precast Bridge Deck Elements. The Federal Highway Administration’s ongoing research program into the use of Ultra-High Performance Concrete (UHPC) in highway bridges has recently begun focusing on deck-level connections between modular precast components.

Numerical and Experimental Analysis of the Shear Behavior

Shear performance of plain UHPC (ultrahigh-performance concrete) construction joints is studied in both experimental and analytical ways. In push-off tests, three different contact surfaces of the construction joint were considered, while the case without any joint was provided for the reference. Test results indicate that the geometry of contact surfaces greatly affects shear performance of ...

Design and Behavior of UHPFRC Field-Cast Transverse

Jul 07, 2017 · This research focuses on developing and measuring the mechanical behavior of ultrahigh-performance fiber-reinforced concrete (UHPFRC), transverse, field-cast connections between precast bridge deck elements. The connections had a closed shape, exposed aggregates, and lap splice length of 10 bar diameters (d b). Three slab designs were ...

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