Chapter 3 Ancient Clay Bricks: Manufacture and Properties
2017-10-30u2002·u2002Old clay bricks exhibit high porosity values, ranging between 15 and 40 vol.% (Esbert et al. 1997 ). The porosity of bricks from the Byzantine period was reported to be between 15 and 35 vol.%, while 70–80% of the pores had a diameter size of 70–250 μ m, independently of the type and origin of the clay (Papayianni and Stefanidou 2000 ).
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