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enhancement of the performance of prestressed concrete

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Enhancement of the Performance of Prestressed

2018-11-1  Enhancement of the Performance of Prestressed Concrete Girders Using Strand Anchorage Mohsen Shahawy, Ph.D., P.E. President Structures Design and Rehabilitation, Inc. Tallahassee, Florida Chun S. Cal, Ph.D., P.E. Assistant Professor Department of Civil and Environmental Engineering Louisiana State University Baton Rouge, Louisiana

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Enhancement of the Performance of Prestressed Concrete ...

Request PDF Enhancement of the Performance of Prestressed Concrete Girders Using Strand Anchorage The main objective of this study is to assess the effect of

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ENHANCEMENT OF THE PERFORMANCE OF PRESTRESSED

ENHANCEMENT OF THE PERFORMANCE OF PRESTRESSED CONCRETE GIRDERS USING STANDARD ANCHORAGE. The main objective of this study is to assess the effect of strand anchorage on the behavior of prestressed concrete girders. Three AASHTO Type II girders with varying end anchorage details were tested. The results from these tests were compared with the ...

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(PDF) Strength Enhancement of Prestressed Concrete

Strength Enhancement of Prestressed Concrete Dapped-End Girders. November 2015 ... Detailed discussions on how the length influences the bending performance of laminated Moso

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Case Study of the Performance of Prestressed Concrete ...

Prestressed concrete cylinder pipes (PCCPs) are widely used for water mains and wastewater lines that serve almost every major city in Morocco. By all accounts, PCCPs have performed relatively well over the years. However, in 2016, the Agadir Authority found failures due to widespread corrosion of the prestressing wires and water hammer damage.

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Structural performance of prestressed composite girders ...

2015-1-1  Concrete mix proportion is shown in Table 2, and material test results on concrete, reinforcing bars, tendons, and steel plates are presented in Table 3. Download : Download full-size image; Fig. 5. Details of prestressed composite beams with corrugated web.

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PRESTRESSED CONCRETE STRUCTURES

2019-2-13  Prestressed concrete is basically concrete in which internal stresses of a suitable magnitude and distribution are introduced so that the stresses resulting from the external loads are counteracted to a desired degree. Terminology 1. Tendon:A stretched element used in a concrete

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Innovative Methodologies for the Enhancement of the ...

2016-6-25  enhancement not only the load carrying capacity at concrete cracking and steel yielding initiations, serviceability limit state, and ultimate condition, but also the ultimate deflection capacity when compared to the use of non-prestressed NSM CFRP technique. The investigated strengthening methodologies include NSM prestressing and NSM

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Study on the Flexural Performance of Prestressed High ...

2018-7-17  Four prestressed high strength concrete (PHC) piles under low-cycle loading and two piles under monotonic flexural loading were tested to study the test phenomena, failure modes, hysteretic performance, ductility and bearing capacity. It was indicated that PHC piles failed suddenly and the bearing capacity decreased because of the tensile rupturing of prestressing tendons from the results,

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Behavior of instrumented prestressed high performance ...

2010-11-1  Abstract. A comprehensive monitoring of the behavior of four prestressed high performance concrete (HPC) bridge girders, with higher compressive strength, during construction and while in-service, is presented. The monitoring program covered instrumentation and monitoring of a series of four girders during the casting operation, after ...

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(PDF) Strength Enhancement of Prestressed Concrete

Strength Enhancement of Prestressed Concrete Dapped-End Girders. November 2015 ... Detailed discussions on how the length influences the bending performance of laminated Moso

View More

Case Study of the Performance of Prestressed Concrete ...

Prestressed concrete cylinder pipes (PCCPs) are widely used for water mains and wastewater lines that serve almost every major city in Morocco. By all accounts, PCCPs have performed relatively well over the years. However, in 2016, the Agadir Authority found failures due to widespread corrosion of the prestressing wires and water hammer damage.

View More

Image analysis of hardened concrete : performance ...

2021-10-8  Image analysis of hardened concrete : performance enhancement of the Automated Concrete Evaluation System (ACES). Published Date: 2006. Language: English ... Construction of a Precast Prestressed Concrete Pavement Demonstration Project on Interstate 57 Near Sikeston, Missouri [PDF - 5.52 MB] Published Date: 2008-01-01 ...

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THE PERFORMANCE OF PRETENSIONED PRESTRESSED

2018-2-20  A study on the behaviour of prestressed concrete beams made from clinkeraggregate has been carried out at the Faculty of Civil Engineering, UTM. In thispaper, the performance of prestressed lightweight concrete beam under two pointload is discussed and comparisons are made with normal weight prestressedconcrete beam. The clinker is incorporated into the concrete as a

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Evaluating the performance of skewed prestressed

2013-3-7  Ali F. N., Wang Z. L., Experimental analysis and performance evaluation of Fu Feng highway prestressed concrete bridge after strengthening in China, A. M. Research, 2011, 189–193, 2346–2352. Google Scholar [5]

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Nine-Year Performance Evaluation of Arizona's

Prestressed concrete pavements are an alternative to con­ ventional concrete pavements. Prestressing the pavement provides two primary advantages, conservation of materials and greatly expanded joint spacing. Between 1971 and 1979, four full-scale experimental prestressed concrete pavements were constructed across the United States (1).

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PRESTRESSED CONCRETE STRUCTURES

2019-2-13  Prestressed concrete is basically concrete in which internal stresses of a suitable magnitude and distribution are introduced so that the stresses resulting from the external loads are counteracted to a desired degree. Terminology 1. Tendon:A stretched element used in a concrete

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Effect of temperature loading on the performance of a ...

In the web of the girder, as the thermal conductivity and the solar absorptivity of concrete increased by units of 1 W/m°C and 0.1, respectively, the temperatures increased about 1% (less than 1 °C). On the other hand, with increases in the specific heat of concrete by a unit of 100 J/kg°C, the temperatures decreased about 2% (1 °C).

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Innovative Methodologies for the Enhancement of the ...

2016-6-25  enhancement not only the load carrying capacity at concrete cracking and steel yielding initiations, serviceability limit state, and ultimate condition, but also the ultimate deflection capacity when compared to the use of non-prestressed NSM CFRP technique. The investigated strengthening methodologies include NSM prestressing and NSM

View More

Study on the Flexural Performance of Prestressed High ...

2018-7-17  Four prestressed high strength concrete (PHC) piles under low-cycle loading and two piles under monotonic flexural loading were tested to study the test phenomena, failure modes, hysteretic performance, ductility and bearing capacity. It was indicated that PHC piles failed suddenly and the bearing capacity decreased because of the tensile rupturing of prestressing tendons from the results,

View More

(PDF) Strength Enhancement of Prestressed Concrete

Strength Enhancement of Prestressed Concrete Dapped-End Girders. November 2015 ... Detailed discussions on how the length influences the bending performance of laminated Moso

View More

Case Study of the Performance of Prestressed Concrete ...

Prestressed concrete cylinder pipes (PCCPs) are widely used for water mains and wastewater lines that serve almost every major city in Morocco. By all accounts, PCCPs have performed relatively well over the years. However, in 2016, the Agadir Authority found failures due to widespread corrosion of the prestressing wires and water hammer damage.

View More

Image analysis of hardened concrete : performance ...

2021-10-8  Image analysis of hardened concrete : performance enhancement of the Automated Concrete Evaluation System (ACES). Published Date: 2006. Language: English ... Construction of a Precast Prestressed Concrete Pavement Demonstration Project on Interstate 57 Near Sikeston, Missouri [PDF - 5.52 MB] Published Date: 2008-01-01 ...

View More

THE PERFORMANCE OF PRETENSIONED PRESTRESSED

2018-2-20  A study on the behaviour of prestressed concrete beams made from clinkeraggregate has been carried out at the Faculty of Civil Engineering, UTM. In thispaper, the performance of prestressed lightweight concrete beam under two pointload is discussed and comparisons are made with normal weight prestressedconcrete beam. The clinker is incorporated into the concrete as a

View More

Evaluating the performance of skewed prestressed

2013-3-7  Ali F. N., Wang Z. L., Experimental analysis and performance evaluation of Fu Feng highway prestressed concrete bridge after strengthening in China, A. M. Research, 2011, 189–193, 2346–2352. Google Scholar [5]

View More

Nine-Year Performance Evaluation of Arizona's

Prestressed concrete pavements are an alternative to con­ ventional concrete pavements. Prestressing the pavement provides two primary advantages, conservation of materials and greatly expanded joint spacing. Between 1971 and 1979, four full-scale experimental prestressed concrete pavements were constructed across the United States (1).

View More

PRESTRESSED CONCRETE STRUCTURES

2019-2-13  Prestressed concrete is basically concrete in which internal stresses of a suitable magnitude and distribution are introduced so that the stresses resulting from the external loads are counteracted to a desired degree. Terminology 1. Tendon:A stretched element used in a concrete

View More

PhD Thesis: Innovative Methodologies for the

The partially bonded prestressed beams exhibited an enhancement of the deformability compared to the fully bonded beams while minimizing the reduction of the load-carrying capacity.

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Performance Evaluation of a Prestressed Belitic Calcium ...

2021-7-14  This paper evaluates the performance of a full-scale precast, prestressed voided deck slab bridge girder made with BCSA cement concrete. The rapid-set properties of BCSA cement allowed the initial concrete compressive strength to reach the required 4300 psi release strength at 6.5 h

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Royce Floyd - University of Oklahoma

1 天前  Royce focuses his educational and research efforts on concrete materials and structural engineering, with an emphasis on reinforced and prestressed concrete. His research includes topics in lightweight concrete, self-consolidating concrete (SCC), prestressed concrete, ultra-high performance concrete (UHPC), and application of concrete materials.

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