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    Effect of freeze-thaw process on the abrasion loss value of stones
    (PERGAMON-ELSEVIER SCIENCE LTD, 2010) Karaca, Zeki; Deliormanli, Ahmet Hamdi; Elci, Hakan; Pamukcu, Cagatay
    [Abstract Not Available]
  • Küçük Resim Yok
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    Effects of surface-finishing forms and cement-filling on porous dimension limestone deterioration in cold regions
    (ELSEVIER SCIENCE BV, 2011) Karaca, Zeki; Oztank, Nimet; Gokce, Mehmedi Vehbi; Elci, Hakan
    This work studies the influences of both surface-finishing forms and cement-filling on the durability of dimension limestone in cold regions. Freeze-thaw cycles, aqueous saline solution and their interactions with surface-finishing forms and cement-filling on stones were investigated for two types of porous limestone, Caribbean and Pewter Blend. Both deionised water and saline water composed of 20% NaCl by weight were used, and 28 freeze-thaw cycles were applied to the samples. The change in dry weight, porosity, and Bohme abrasion loss value was obtained for all test samples. It was observed that two types of porous limestone with cement-filling and different types of surface-finishing were influenced to different extents by freeze-thaw and salt. Experiments showed that stones to be used outdoors in cold regions should have relatively low initial porosity and that they should be fine-finished and cement-filled; these modifications to the stones will maximise the benefit received from the stones. (C) 2011 Elsevier B.V. All rights reserved.