Frost Resistance and Permeability of Cement Stabilized Gravel used as Filling Material for Pearl-Chain Bridges

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Abstract

The Pearl-Chain Bridge Technology introduces a new innovative arch bridge solution which com-bines the statical advantages of an arch bridge with a minimum of traffic disturbance. The arch-shaped substructure is stabilized by a filling material, e.g. cement stabilized gravel, which should meet several requirements on its moisture properties. In this paper the frost resistance, the liquid water permeability and the water vapour permeability of cement stabilized gravel are examined for two different cement contents. It is found that a small increase in cement content from 4% to 5% increases the 28-days compressive strength from 6.2 MPa to 12.3 MPa. The frost resistance of cement stabilized gravel with 5% cement content is better than for cement stabilized gravel with 4% cement content. The liquid water permeability coefficient and the water vapour permeability coefficient are significantly higher for a cement content of 4% compared to 5%.
Original languageEnglish
Title of host publicationProceedings of 10th fib International PhD Symposium in Civil Engineering
Number of pages6
Publication date2014
Publication statusPublished - 2014
Event10th fib International PhD Symposium in Civil Engineering - Université Laval, Québec, Canada
Duration: 21 Jul 201423 Jul 2014
Conference number: 10

Conference

Conference10th fib International PhD Symposium in Civil Engineering
Number10
LocationUniversité Laval
CountryCanada
CityQuébec
Period21/07/201423/07/2014

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