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    Insulation properties of bricks made with cotton and textile ash wastes
    (CARL HANSER VERLAG, 2010) Binici, Hanifi; Gemci, Remzi; Aksogan, Orhan; Kaplan, Hasan
    Huge amounts of cotton and textile ash waste are disposed of by countries all over the world. The majority of cotton wastes and textile ash wastes is expelled in such a way as to cause serious environmental problems. The present study involves experimental research investigating the potential use of cotton and textile ash wastes combination for producing a new and lightweight composite building material with good insulation properties. The results showed that the cotton and textile ash waste bricks fulfill the compressive strength and heat conductivity requirements of the ASTM and Turkish Standards. A cotton and textile ash waste brick house has been found to be superior to a concrete brick house for regulating indoor temperatures. The production process can be easily applied in conventional brick plants. The product is a light weight composite which can be used for making bricks and wall and ceiling panels with good insulation properties.
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    Investigation of the physico-chemical and microscopic properties of Ottoman mortars from Erzurum (Turkey)
    (ELSEVIER SCI LTD, 2010) Binici, Hanifi; Arocena, Joselito; Kapur, Selim; Aksogan, Orhan; Kaplan, Hasan
    Ottoman mortar is the long-established binding material used for centuries and there are many historical buildings as evidence of its use by Ottomans in Erzurum (Eastern Turkey). The physico-chemical and microscopic properties of the Ottoman mortars in Erzurum have been studied in detail as part of an investigation of the mineral raw materials present in the territory of Turkey. For this purpose, SEM, XRD and EDS analyses of six main types of mortars were carried out showing the presence of organic fibers and calcite, quartz and muscovite minerals. The chemical analyses of the specimens showed that higher SiO(2) + Al(2)O(3) + Fe(2)O(3) contents yielded in higher values of hydraulicity and cementation indices. A significant result of this investigation was that mortars with higher hydraulicity and cementation indices had higher compressive strengths. Most probably this is the main reason why historical Ottoman buildings were resistant against serious earthquakes. (C) 2010 Elsevier Ltd. All rights reserved.