2018
DOI: 10.1016/j.conbuildmat.2017.11.172
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Experimental investigation on the autogenous shrinkage of steam cured ultra-high performance concrete

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Cited by 91 publications
(30 citation statements)
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“…The self-drying effect was strengthened so that the autogenous shrinkage began to rise to the next stage slowly at point B. The expansion at this stage may be ascribed to cement hydration which leads to an increase in the internal temperature causing the paste to expand [19]. In the slow growth period (III), the formation of the hardened cement paste skeleton has a certain inhibitory effect on the deformation of the apparent volume due to the gradual slowdown of the hydration reaction of the paste, resulting in a significant decrease of the autogenous shrinkage rate.…”
Section: Testingmentioning
confidence: 99%
“…The self-drying effect was strengthened so that the autogenous shrinkage began to rise to the next stage slowly at point B. The expansion at this stage may be ascribed to cement hydration which leads to an increase in the internal temperature causing the paste to expand [19]. In the slow growth period (III), the formation of the hardened cement paste skeleton has a certain inhibitory effect on the deformation of the apparent volume due to the gradual slowdown of the hydration reaction of the paste, resulting in a significant decrease of the autogenous shrinkage rate.…”
Section: Testingmentioning
confidence: 99%
“…In order to solve those problems, the fiber-reinforced concrete with high bond strength properties was widely developed and used [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ]. In recent years, researchers have evaluated the use of ultra-high-performance fiber-reinforced concrete (UHPC) for retrofitting and strengthening of reinforced concrete members [ 2 , 3 , 4 , 5 , 6 ].…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, researchers have evaluated the use of ultra-high-performance fiber-reinforced concrete (UHPC) for retrofitting and strengthening of reinforced concrete members [ 2 , 3 , 4 , 5 , 6 ]. Studies published so far have seen promising results in durability and structural performance of UHPC [ 7 , 8 , 9 ]. Hussein et al [ 6 ] evaluated the shear capacity of UHPC using normal- (NSC) and high-strength (HSC) concrete beams, and the bond strength between these two concrete material layers was significantly high, thus rendering shear connectors unnecessary.…”
Section: Introductionmentioning
confidence: 99%
“…Owing to above advantages, steam-cured concrete is commonly used in prefabricated elements of high-speed railway foundation structure in China, such as girder, track slab and sleeper. However, compared with normal concrete cured at room temperature, elevated temperature curing techniques may lead to heat-damage such as visible surface spalling and swelling deformation [10][11][12][13] as well as also higher capillary porosity, coarsening of pore structure, non-uniform distribution of hydration products in micro-scale [14][15][16]. As a result, the durability of steamcured concrete under severe environments may be worse than that of normal concrete.…”
Section: Introductionmentioning
confidence: 99%