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Processing of high-performance fiber-reinforced cement-based composites
AbstractHigh-performance fiber-reinforced cement-based composites (HPFRCC) are characterized by their high elastic limit and strain hardening and a progressive multiple cracking type of response to mechanical loading. The parameters that influence the performance of such composites include: fiber type(s), matrix properties and processing. Processing can substantially influence fiber dispersion, quality of performance and cost of production. In spite of its importance, relatively little is known about the relationship between processing and composite performance. This paper summarizes the results of two studies in which the influence of processing on the performance of Hatschek- and extrusion-produced HPFRCC was investigated. The effect of applying external pressure to freshly-formed, Hatschek-produced fiber-reinforced cement board was systematically evaluated. The results indicate that pressure can be used to enhance freeze–thaw durability. In addition, a rheological study was successfully carried out on extruded composites to reduce cost by altering the matrix composition.
Processing of high-performance fiber-reinforced cement-based composites
AbstractHigh-performance fiber-reinforced cement-based composites (HPFRCC) are characterized by their high elastic limit and strain hardening and a progressive multiple cracking type of response to mechanical loading. The parameters that influence the performance of such composites include: fiber type(s), matrix properties and processing. Processing can substantially influence fiber dispersion, quality of performance and cost of production. In spite of its importance, relatively little is known about the relationship between processing and composite performance. This paper summarizes the results of two studies in which the influence of processing on the performance of Hatschek- and extrusion-produced HPFRCC was investigated. The effect of applying external pressure to freshly-formed, Hatschek-produced fiber-reinforced cement board was systematically evaluated. The results indicate that pressure can be used to enhance freeze–thaw durability. In addition, a rheological study was successfully carried out on extruded composites to reduce cost by altering the matrix composition.
Processing of high-performance fiber-reinforced cement-based composites
Kuder, Katherine G. (author) / Shah, Surendra P. (author)
Construction and Building Materials ; 24 ; 181-186
2007-06-13
6 pages
Article (Journal)
Electronic Resource
English
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