![]() ![]() Placing vertical mortar joints centered over the unit below is called center bond, or half bond, while lapping 1/3 or 1/4 is called third or quarter bond. Running Bond - Lapping of units in successive courses so that the vertical head joints lap. ![]() Includes quarter bond, third bond and half or common bond. Mechanical Bond - Units laid so that they lap over each other in successive courses. Net area is the actual surface area of a cross-section of masonry.Īdhesion Bond - The adhesion between masonry units and mortar or grout. Net Area - The gross cross-sectional area at any plane minus the area of ungrouted cores, notches, cells, unbedded areas, etc. ![]() Gross Area - The total cross-sectional area of any plane encompassed by the outer periphery of any specified section. ADMIXTURES - Materials added to cement, aggregate and water such as water repellents, air-entraining or plasticizing aids, pigments, or aids to retard or speed up setting.ĪGGREGATES - Inert particles such as sand, gravel, and rock, which when bound together with cement and water, form concrete.ĪNCHOR TIES - Any type of fastener used to secure masonry veneer to a support backing, such as another wall, usually for tension value.ĪSTM - American Society for Testing and Materials.īedded Area - The area of the surface of a masonry unit which is in contact with mortar in the plane of the joint.
0 Comments
Leave a Reply. |