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P.S.S. Bastos and L.M. Pinheiro

Department of Structural Engineering, University of Sao Paulo, Sao Carlos, Brazil

doi:10.4203/ccp.46.2.3

P.S.S. Bastos, L.M. Pinheiro, "Prestressed Concrete Monoblock Sleeper Reinforced with Fibers", in M.B. Leeming, B.H.V. Topping, (Editors), "Innovation in Composite Materials and Structures", Civil-Comp Press, Edinburgh, UK, pp 57-62, 1997. doi:10.4203/ccp.46.2.3

Abstract

This paper reviews the structural behaviour of prestressed concrete monoblock sleepers and the main design requirements, including sleeper designs, vertical impact loads, bending moments and tests. The two types of concrete railway sleepers used currently are discussed. The main mechanical properties of fibre - reinforced concrete are presented in order to justify the application of steel and polypropylene fibres in prestressed concrete monoblock sleepers. The fibres increase the resistance to dynamic effects and loads (impacts, vibrations, fatigue). Sleepers, with two different types of fibres, should have greater resistance to impact loads, an absence of cracks and consequently high durability.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 46 INNOVATION IN COMPOSITE MATERIALS AND STRUCTURES Edited by: M.B. Leeming and B.H.V. Topping Paper II.3 Prestressed Concrete Monoblock Sleeper Reinforced with Fibers P.S.S. Bastos and L.M. Pinheiro Department of Structural Engineering, University of Sao Paulo, Sao Carlos, Brazil doi:10.4203/ccp.46.2.3 purchase the full-text of this paper Full Bibliographic Reference for this paper P.S.S. Bastos, L.M. Pinheiro, "Prestressed Concrete Monoblock Sleeper Reinforced with Fibers", in M.B. Leeming, B.H.V. Topping, (Editors), "Innovation in Composite Materials and Structures", Civil-Comp Press, Edinburgh, UK, pp 57-62, 1997. doi:10.4203/ccp.46.2.3 Abstract This paper reviews the structural behaviour of prestressed concrete monoblock sleepers and the main design requirements, including sleeper designs, vertical impact loads, bending moments and tests. The two types of concrete railway sleepers used currently are discussed. The main mechanical properties of fibre - reinforced concrete are presented in order to justify the application of steel and polypropylene fibres in prestressed concrete monoblock sleepers. The fibres increase the resistance to dynamic effects and loads (impacts, vibrations, fatigue). Sleepers, with two different types of fibres, should have greater resistance to impact loads, an absence of cracks and consequently high durability. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £35 +P&P)
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