Results 281 to 290 of about 1,974,215 (337)
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Drying shrinkage model for recycled aggregate concrete accounting for the influence of parent concrete

, 2020
The drying shrinkage of recycled aggregate concrete (RAC) varies considerably owing to the extensive sources of parent concrete from which recycled aggregates are obtained.
Qinghe Wang   +3 more
semanticscholar   +1 more source

Creep and drying shrinkage performance of concrete composite comprising waste polypropylene carpet fibres and palm oil fuel ash

, 2020
Creep and drying shrinkage are two critical time-dependent properties of concrete. This study presents the outcomes of an investigational work that addresses one-year creep and drying shrinkage performance in addition to the strength development of ...
Hossein Mohammadhosseini   +5 more
semanticscholar   +1 more source

Effect of shrinkage reducing admixture on drying shrinkage and durability of alkali-activated coal gangue-slag material

Construction and Building Materials, 2020
This paper studied the effect of shrinkage reducing admixture (SRA) on drying shrinkage and microstructure of alkali-activated coal gangue-slag (AACGS). Concrete was prepared by using calcined coal gangue as coarse aggregate.
Hongqiang Ma   +5 more
semanticscholar   +1 more source

Mechanical properties and drying shrinkage of lightweight cementitious composite incorporating perlite microspheres and polypropylene fibers

, 2020
This research focuses on the development of lightweight cementitious composite (LCC) with targeted densities, 800 kg/m3 and 1000 kg/m3 by incorporating perlite microspheres.
Geok Wen Leong   +3 more
semanticscholar   +1 more source

Drying shrinkage of expansive cements

Journal of Materials Science, 1988
Drying shrinkage behaviour of expansive cement pastes were studied and compared with those of portland cements. Results indicate that the shrinkage behaviour of these two cements is significantly different from each other. Generally, expansive cements shrink more than portland cements, and especially more so if they have not been adequately cured, i.e.
Menashi D. Cohen, Barzin Mobasher
openaire   +1 more source

Drying shrinkage and permeability properties of fibre reinforced alkali-activated composites

, 2020
This study presents the durability investigation in terms of drying shrinkage and permeability properties of three fibre-reinforced alkali-activated composites.
A. Adesina, Sreekanta Das
semanticscholar   +1 more source

ON THE DRYING MECHANISM OF SHRINKAGE MATERIALS

Drying Technology, 1992
ABSTRACT Effects of moisture content on Liquid transport properties (Permeability and suction pressure) and mechanical properties (Young's modulus, yield stress and tensile strength) of drying shrinkage materials (Kibnshi, IIaido and mixed clay) were measured and a strong dependence was found.
Ikuro Shishido   +2 more
openaire   +1 more source

Drying Shrinkage Mitigation

2020
This chapter focuses on understanding the drying shrinkage phenomenon and the mechanism that leads to cracking of concrete. The recent trends to increase the cementitious content of concrete, requiring high performance for bridge decks and highway pavement overlays, are prone to shrinkage and potential cracking.
openaire   +1 more source

Apple shrinkage upon drying

Journal of Food Engineering, 1995
Abstract In this paper results from a study of the shrinkage of Mutsu apple slices during drying in a connective oven are presented. The results are expressed as relationships between volume and thickness reduction as well as between volume reduction and water content. No differences were observed with respect to slice size.
I. Sjöholm, V. Gekas
openaire   +1 more source

Exothermic behavior and drying shrinkage of alkali-activated slag concrete by low temperature-preparation method

, 2020
Certain drawbacks of alkali-activated slag (AAS) concrete, such as rapid reactions releasing substantial heat and higher drying shrinkage, limit its application in practice.
Jichun Xiang   +4 more
semanticscholar   +1 more source

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