Volume 2, Issue 17 (5-2019)                   مرمت و معماري ابران 2019, 2(17): 63-74 | Back to browse issues page

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Comparative evaluation of the mixed mortar design based on different Sarooj and determining the best mixing plan. مرمت و معماري ابران. 2019; 2 (17) :63-74
URL: http://mmi.aui.ac.ir/article-1-545-en.html
Abstract:   (354 Views)
Sarooj is one of the oldest materials consumed in Iran and countries that have a history of strong architecture; a detailed history since the beginning of the use of this mortar is not available but in many ancient constructions can be found using the Sarooj . One of the most important properties of Sarooj is low permeability of this mortar.In this research Sarooj mortar  mix was collected in a written source of the 13 and after collecting 5 similar  mixing designs to test, review and study. Each of the designs made once the goat hair with 2 cm and once with 2 mm polypropylene. Ash used in this research is the wind ash from Isfahan.  Other mix design with microsilica with 99 percent silica.
four cubic samples from each mix design were built in 5  centimeters district. Then four samples were made in dimensions 10 × 50 × 50 mm and four sales in dimensions 5 × 50 × 50 mm. It is observed that by reducing the thickness of the mortar, the rate of shrinkage is appreciably reduced. One cube sample with 5 centimeters dimension made with egg whites and Hydrated lime, abother sample with egg whites and Hydrated lime, one cube sample made with egg whites and micronized lime. The last cubic sample made with egg yolks and  micronized lime. In a summary of the findings of this 2-year study, the main reason for the use of a Sarooj l for moisture was the fact that it was too late due to the lateness and fine grain content of the mortar, it was regularly peeled for several days, and Vertebral column causes the surface of the pores and surfaces to disappear and a glassy surface.

 
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Type of Study: Research | Subject: Maremat

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