Study of Accelerated Production of Prestressed Concrete Sleepers Using Strut-and-Tie Model

Patarapol Tantipidok; Dinara McLaughin; Petr Štemberk

doi:10.4028/www.scientific.net/AMR.1054.122

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Technical Textiles as an Innovative Material for Reinforcing of Elements from High Performance Concretes (HPC)
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Experimental Verification of Pre-Stressed Beams
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Study of Accelerated Production of Prestressed Concrete Sleepers Using Strut-and-Tie Model
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Monitoring of Self Compacting Concrete Characteristics Development
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Economic Calculation of Binder in Concrete with a Higher Content of Fly Ash
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Development of Structural Concrete with Fly Ash
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1054Study of Accelerated Production of Prestressed...

Study of Accelerated Production of Prestressed Concrete Sleepers Using Strut-and-Tie Model

Abstract:

When designing the technological process for producing prestressed concrete sleepers on a large scale, it is especially important to achieve substantial reduction of production time due to the economic aspect. In this study, an estimation of the earliest possible time to release prestressing force from the wire with respect to bond development is presented, thus, allowing earlier removal and reuse of a prestressed concrete sleeper formwork. Time-dependent development of concrete compressive and tensile strength is defined according to fib Model Code 2010. A Strut-and-Tie Model has been adapted as a design method for establishing the transmission length required for anchoring prestressed wires in a prestressed concrete sleeper in accordance with the bond stress. Additional calculations have established that the method is consistent with the Eurocode approach.

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Periodical:

Advanced Materials Research (Volume 1054)

Pages:

122-127

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1054.122

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Online since:

October 2014

Authors:

Patarapol Tantipidok*, Dinara McLaughin, Petr Štemberk

Keywords:

Accelerated Production, Early-Age Concrete, Formwork Removal, Prestressed Concrete Sleeper, Strut-and-Tie Model, Transmission Length

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References

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