تحت اشراف رئيس قسم البناء والاشناءات م.درياض عبد العباس علي قامت التدريسه فاتن هاشم بعمل نشاط مع طلبة المرحله الثانيه حول (Structural clay)
Structural clay tile describes a category of burned-clay building materials used to construct roofing, walls, and flooring for structural and non-structural purposes, especially in fireproofing applications. Also called building tile, structural terra cotta, hollow tile, and clay block, the material is an extruded clay shape with a substantial depth that allows it to be laid in the same manner as other clay or concrete masonry.
Structural clay tiles grew in popularity towards the end of the nineteenth century because they could be built faster, were lighter in weight. Each unit is generally made of clay or clay with cavities or cells inside. This material is commonly used in building arches, fire retardants, and partition walls. It continues to be used in Europe to build fire_resistant walls and partitions. In North America, the materials have largely been replaced by concrete building uni