Structural behaviour of prestressed concrete sleepers reinforced with high-performance macro synthetic fibres
Source abstract
Abstract
The application of macro synthetic fibre reinforced concrete (MSFRC) innovatively addresses the current cracking and corrosion issues associated with the prestressed concrete railway sleeper. In this paper, a structural assessment of traditional concrete sleepers reinforced with high-strength, prestressed steel and macro synthetic fibres is provided. Detailed review on the rail seat and centre sections of the railway sleeper is presented to critically evaluate the mechanical benefits and feasibility of a complete replacement of prestressed steel with macro synthetic (poly- propylene) fibres. Three types of sleeper were individually subjected to both positive and negative moments at these critical sleeper sections for their performances to be compared at cracking, ultimate capacity and failure. Accordingly, the potential implementation of MSFRC in sleepers has been proposed to cost-efficiently improve the current design for the railway industry.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Innovative concrete reinforcement materials · Structural Behavior of Reinforced Concrete · Concrete Corrosion and Durability
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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