2020
DOI: 10.1016/j.conbuildmat.2020.120472
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Geopolymers in construction - recent developments

Abstract: Geopolymers are inorganic materials that result from the alkali activation of aluminosilicates. The aluminosilicates source materials can either occur naturally (e.g. kaolin, metakaolin, rice husk ash, volcanic rock powders) or produced by industrial processes (e.g. fly-ash, blast furnace slag). While the potential application of geopolymers as construction materials (e.g. concrete manufacturing and soil stabilization) has been studied in the past, their widespread use has been limited. This is mainly because … Show more

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Cited by 166 publications
(78 citation statements)
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References 137 publications
(192 reference statements)
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“…The main objective of the addition of these types of fibers is improving mechanical properties, in particular bending strength [ 24 , 27 ], and reducing the propagation of microcracks in materials [ 23 , 28 ]. Other benefits that can be achieved as a result of introducing chemical fibers into geopolymers, depending on their type, may include an increase in fire resistance [ 24 , 27 ] or a decrease in the thermal conductivity coefficient. The main advantages of chemical, polymer fibers are their higher strength properties and repeatability compared to natural fibers [ 25 , 29 ].…”
Section: Introductionmentioning
confidence: 99%
“…The main objective of the addition of these types of fibers is improving mechanical properties, in particular bending strength [ 24 , 27 ], and reducing the propagation of microcracks in materials [ 23 , 28 ]. Other benefits that can be achieved as a result of introducing chemical fibers into geopolymers, depending on their type, may include an increase in fire resistance [ 24 , 27 ] or a decrease in the thermal conductivity coefficient. The main advantages of chemical, polymer fibers are their higher strength properties and repeatability compared to natural fibers [ 25 , 29 ].…”
Section: Introductionmentioning
confidence: 99%
“…Synthetic carbon and E-glass fibers contribute toward better mechanical properties at RT and higher temperatures. Basalt fiber has strong adhesion with the geopolymer matrix at RT [70,71]. The durability of the FRGCs sustains after damage to a certain extent.…”
Section: Discussionmentioning
confidence: 99%
“…Diğer taraftan çimento üretimi, temel olarak kalker ve kilin homojen ve uygun oranlarda karıştırılıp 1400-1600°C'de yakılması sonucu elde edildiğinden yüksek enerji tüketimi gerektirmektedir. Ayrıca, kalkerin kalsinasyonu, büyük miktarlarda sera gazı, özellikle karbondioksit (CO 2 ) salınımına yol açmaktadır [1]. Çimento üretimindeki enerji tüketimi, toplam endüstriyel enerji tüketiminin %10'undan fazlasını oluşturmaktadır ve bir ton çimento üretiminde yaklaşık 0,9 ton CO 2 açığa çıkmaktadır [2,3].…”
Section: Wwwdergiparkgovtr/tdfdunclassified
“…Alüminosilikat esaslı kaynak malzemeler ya doğal olarak meydana gelen kaolin, metakaolin, pirinç kabuğu külü, volkanik kaya tozları veya endüstriyel işlemlerle atık ürün olarak ortaya çıkan uçucu kül, yüksek fırın cürufu vb. SiO 2 ve Al 2 O 3 içeren mineral malzemelerdir [1].…”
Section: Wwwdergiparkgovtr/tdfdunclassified
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