evaluation of prestressed concrete bridges under light

Evaluation of Prestressed Concrete Bridges under Light ...

research deals with the evaluation of prestressed concrete bridges loaded by light rail trains in Denver, CO, as well as data interpretation for the appraisal of design approaches, including the characterization of statistical properties. BACKGROUND OF PRESTRESSED CONCRETE BRIDGES A total of four constructed bridges in Denver, CO, are moni - tored.

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Evaluation of Prestressed Concrete Bridges under Light ...

Jan 01, 2019  Title: Evaluation of Prestressed Concrete Bridges under Light Rail Loading Author(s): Yail J. Kim and Yongcheng Ji Publication: Structural Journal Volume: 116 Issue: 1 Appears on pages(s): 171-182 Keywords: bridge; evaluation; light rail transit; live load; modeling Date: 1/1/2019 Abstract: This paper presents the evaluation of prestressed concrete bridges carrying light rail loading,

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Evaluation of Prestressed Concrete Bridges under Light ...

Dec 20, 2018  American Concrete Institute ACI Structural Journal January 2019. Evaluation of Prestressed Concrete Bridges under Light Rail Loading.

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Evaluation of Degree of Rusting on Prestressed Concrete Strand

of Precast and Prestressed Concrete Products published by PCI,3 under Section 2.2.2, does not necessarily consider the presence of light rust on strand a problem because it has proven not to be detrimental to the bond. In the last para­ graph of that section, it says that "If no pitting has devel­

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DAMAGE EVALUATION AND REPAIR METHODS FOR

Aug 16, 2006  of damage evaluation and repair for prestressed concrete bridge members. Some By Staff of the recommendations are immediately applicable and will be of interest to Transportation engineers, researchers, and others concerned with the design, construction, and Research Board maintenance of prestressed concrete bridges.

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Instrument to Evaluate Remaining Prestress in Damaged ...

rangements typical in prestressed concrete 1-shaped girders. The final prototype is light and re­ quires only an external voltage source and voltmeter. It is well suited to use in the field for existing bridge girders. Subsequent to the development of the prototype, a commercially avail­ able device using a similar principle was found.

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Performance Evaluation of Damaged Integrated Girder

and prestressed concrete girder bridges under the of various damage conditions. It is expected that the developed framework will provide a first step for establishing a critical linkage between design, maintenance, and rehabilitation of highway bridges, which are uncoupled in current practices.

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FHWA Lightweight Concrete in Highway ... - Aspire Bridge

Precast/Prestressed Concrete Institute National Bridge Conference, Precast/Prestressed Concrete Institute, Chicago, Ill. October. Greene, G. G. and B. A. Graybeal. 2012. Synthesis and Evaluation of Lightweight Concrete Research Relevant to the AASHTO LRFD Bridge Design Specifications: Identification of Articles for Further

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Field Evaluation of Concrete Bridge Decks Reinforced with ...

bridge deck selected is continuous for live load and supported on prestressed concrete I-beams (Type III). The bridge was built in 1976, has three spans with a maximum span length of 22.5 m (73 ft 9 in.), and is subjected to light to moderate truck traffic and moder­ ate salt exposure. A summary of the bridge information and traffic

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Evaluation of Corrosion Protection for Internal ...

bridge. Three levels of precompres sion were selected; 5, 50 and 190 psi (35, 345 and 1310 kPa). The lowest level of 5 psi (35 kPa) could represent the level of precompression encoun tered in a precast segmental column under self-weight. The precompres sion of 50 psi (345 kPa) is based on the AASHTO Guide Specifications.’ DJ-P.LNG-1 — DJ-P ...

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Nondestructive Evaluation Laboratory Overview FHWA

“Evaluation of the Impact Echo Method for Concrete Bridge Decks with Asphalt Overlays.” Hoda Azari and Shibin Lin. Transportation Research Board (TRB) 99th Annual Meeting, D.C., 2019 “Ultrasonic Imaging of Multi-Layer Concrete Structures.” NDT and E International, DOI: 10.1016/j.ndteint.2018.04.012, 2018.

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Prestressed Concrete Box Girder Bridge

considered the IRC:18-2000 for “Prestressed Concrete Road Bridges” and “Code of Practice for Prestressed Concrete ” Indian Standard. Analyze the Concrete Box Girder Road Bridges for various spans, various depth and check the proportioning depth. 2. MATERIALS USED IN BRIDGE CONSTRUCTION Bridges help vehicles and pedestrians bypass obstacles.

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Michael John Hagenberger, B.S.C.E., M.E. Dissertation

Condition Evaluation of Bridges, which does not contain provisions for load rating prestressed concrete bridges for fatigue. Rather, a serviceability criterion is provided for the control of flexural cracks in prestressed members by limiting the concrete tensile

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PRECAST, PRESTRESSED CONCRETE FOR BRIDGE DECKS

of using precast, prestressed concrete slabs for deck replacement. The pretensioned slabs (presently 4 ft wide) are placed transversely to the bridge girders. Pretensioning stress level is intended to maintain com-pression stress in the concrete under full design loads. The slabs are

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论文成果-东北林业大学土木工程学院

Evaluation of prestressed concrete bridges under light rail loading, ACI Structural Journal, American Concrete Institute (ACI), 116(1), 171-182; 11. Ji, Yongcheng and Kim, Y.J. 2019.

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Design of concrete bridges (EN 1992-2)

Design of concrete bridges (EN 1992-2) Section 3 MATERIALS - Recommended values for C min and C max C30/37 C70/85 - cc coefficient for long term effects and unfavourable effects resulting from the way the load is applied Recommended value: 0.85 high stress values during construction - Recommended classes for reinforcement:

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Case Study of Seismic Evaluation Prestressed concrete On ...

Keywords: Seismic analysis , PSC Bridge Dynamic Evaluation Base Shear. 1. Introduction Bridges are the one most important connecting element in Lifeline System. Bridge plays vital role for smooth circulation of traffic from one location to other. Eventually light weight prestressed concrete bridges are

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Chapter 5 Concrete Structures Contents

WSDOT Bridge Design Manual M 23-50.20 Page 5-1 September 2020. Chapter 5 Concrete Structures. 5 .0 General. The provisions in this section apply to the design of cast-in-place (CIP) and precast

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SHEAR STRENGTH AND BEHAVIOR OF PRESTRESSED

AASHTO Guide for Design and Construction of Segmental Concrete Bridges (Interim 2003). In the light of the results from this experimental program and several others included in the University of Texas Prestressed Concrete Shear Database, recommendations for current

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Evaluation of Experimental Data Obtained from

The use of lightweight aggregates in prestressed concrete is becoming more of a reality as our design criteria become more demanding. Bridge girders of greater lengths have been restricted from travel on many of our highways because the weight of the com­ bined

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Evaluation of a Bridge Constructed with Ultra High ...

prestressed concrete beam approach spans in Illinois (Petzold 1995). Forty-two light poles for roadway lighting were part of the bridge project and were installed in 1994 by a subcontractor to the primary contractor, Edward Kraemer and Sons.

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BRIDGE RE-EVALUATION SURVEY REPORT

Type of Bridge: Four span, simply supported, prestressed concrete multi-girder (continuous for live load) Year Built: 1992 Year of Widening / Major Repairs: None No. of Lanes: On 2 Under 2 Vertical Clearances: Over Deck: Unlimited Minimum Under: 15'-3" under the West fascia girder at the North edge of Westbound Darlington Avenue

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FHWA Lightweight Concrete in Highway ... - Aspire Bridge

Precast/Prestressed Concrete Institute National Bridge Conference, Precast/Prestressed Concrete Institute, Chicago, Ill. October. Greene, G. G. and B. A. Graybeal. 2012. Synthesis and Evaluation of Lightweight Concrete Research Relevant to the AASHTO LRFD Bridge Design Specifications: Identification of Articles for Further

get price

Field Evaluation of Concrete Bridge Decks Reinforced with ...

bridge deck selected is continuous for live load and supported on prestressed concrete I-beams (Type III). The bridge was built in 1976, has three spans with a maximum span length of 22.5 m (73 ft 9 in.), and is subjected to light to moderate truck traffic and moder­ ate salt exposure. A summary of the bridge information and traffic

get price

Evaluation of Corrosion Protection for Internal ...

bridge. Three levels of precompres sion were selected; 5, 50 and 190 psi (35, 345 and 1310 kPa). The lowest level of 5 psi (35 kPa) could represent the level of precompression encoun tered in a precast segmental column under self-weight. The precompres sion of 50 psi (345 kPa) is based on the AASHTO Guide Specifications.’ DJ-P.LNG-1 — DJ-P ...

get price

Michael John Hagenberger, B.S.C.E., M.E. Dissertation

Condition Evaluation of Bridges, which does not contain provisions for load rating prestressed concrete bridges for fatigue. Rather, a serviceability criterion is provided for the control of flexural cracks in prestressed members by limiting the concrete tensile

get price

论文成果-东北林业大学土木工程学院

Evaluation of prestressed concrete bridges under light rail loading, ACI Structural Journal, American Concrete Institute (ACI), 116(1), 171-182; 11. Ji, Yongcheng and Kim, Y.J. 2019.

get price

PRECAST, PRESTRESSED CONCRETE FOR BRIDGE DECKS

of using precast, prestressed concrete slabs for deck replacement. The pretensioned slabs (presently 4 ft wide) are placed transversely to the bridge girders. Pretensioning stress level is intended to maintain com-pression stress in the concrete under full design loads. The slabs are

get price

Prestressed Concrete Box Girder Bridge

considered the IRC:18-2000 for “Prestressed Concrete Road Bridges” and “Code of Practice for Prestressed Concrete ” Indian Standard. Analyze the Concrete Box Girder Road Bridges for various spans, various depth and check the proportioning depth. 2. MATERIALS USED IN BRIDGE CONSTRUCTION Bridges help vehicles and pedestrians bypass obstacles.

get price

Case Study of Seismic Evaluation Prestressed concrete On ...

Keywords: Seismic analysis , PSC Bridge Dynamic Evaluation Base Shear. 1. Introduction Bridges are the one most important connecting element in Lifeline System. Bridge plays vital role for smooth circulation of traffic from one location to other. Eventually light weight prestressed concrete bridges are

get price

Shear Strengthening of Concrete Bridge Girders Using ...

erties, light weight, and small sectional dimensions, all of which make them competitive with more traditional mate­ rials for use in rehabilitation applications. Three precast re­ inforced concrete bridge girders 9.1 m long, hat-shaped in section, were salvaged from a demolished bridge that had originally been constructed in the late 1950s.

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Chapter 5 Concrete Structures Contents

WSDOT Bridge Design Manual M 23-50.20 Page 5-1 September 2020. Chapter 5 Concrete Structures. 5 .0 General. The provisions in this section apply to the design of cast-in-place (CIP) and precast

get price