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Chapter 9

Admixtures

מאיצים
מאיצים
An admixture is an additional substance added to the concrete during mixing to include a unique feature. Admixtures used to accelerate the hardening of ...
מעכבים
מעכבים
In hot weather concreting, when the normal setting time is shortened by the higher temperature, it can lead to the formation of cold joints between ...
פלסטיסייזרים
פלסטיסייזרים
Consider concreting in locations that are difficult to access in a mold. Plasticizers help concrete compact on its own, enhancing workability with less ...
סופרפלסטיסייזרים
סופרפלסטיסייזרים
Superplasticizers are used to prepare fluid concrete that can be easily placed in dense reinforcement arrangements within a mold or for quick placement in ...
תוספים וחומרי מילוי בבטון
תוספים וחומרי מילוי בבטון
Fillers and additives are fine-grained materials with a fineness similar to Portland cement. Pozzolans and blast-furnace slag, used as cementitious ...
איטום ותערובות אנטי בקטריאליות בבטון
איטום ותערובות אנטי בקטריאליות בבטון
Concrete takes in water due to the surface tension in the capillary pores of the cement paste, which draws in water through capillary action. ...
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