Reduction of the early autogenous shrinkage of high strength concrete
Saje, Drago (Author)

URLURL - Presentation file, Visit http://www.hindawi.com/journals/amse/2015/310641/ This link opens in a new window

he results of a laboratory investigation on the early autogenous shrinkage of high strength concrete, and the possibilities of its reduction, are presented. Such concrete demonstrates signiicant autogenous shrinkage, which should, however, be limited in the early stages of its development in order to prevent the occurrence of cracks and/or drop in the load-carrying capacity of concrete structures.he following possibilities for reducing autogenous shrinkagewere investigated: the use of low-heat cement, a shrinkagereducing admixture, steel ibres, premoistened polypropylene ibres, and presoaked lightweight aggregate. In the case of the use of presoaked natural lightweight aggregate, with a fraction from 2 to mm, the early autogenous shrinkage of one-day-old high strength concrete decreased by about 90%, with no change to the concretes compressive strength in comparison with that of the reference concrete.

Keywords:beton visoke trdnosti, avtogeno krčenje betona, lahek agregat, polipropilenska vlakna, concrete, high strength concrete, autogenous shrinkage of concrete, lightwieght aggregate, polypropylene fibres
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Number of pages:str. 1-8
ISSN on article:1687-8434
DOI:10.1155/2015/310641 Link is opened in a new window
COBISS.SI-ID:7248225 Link is opened in a new window
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Record is a part of a journal

Title:Advances in Materials Science and Engineering
Shortened title:Adv. Mater. Sci. Eng.
Publisher:Hindawi Publishing Corporation
COBISS.SI-ID:517497881 This link opens in a new window

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