2009 International Residential Building Code re-roofing requirements are clear: removing and replacing damaged roof coverings with new roof coverings requires first removing all existing layers of roof coverings if the existing roof covering system is not structurally sound, is composed of wood shakes, or if it has two or more applications of any type of roof covering.
Slab on Grade Foundation Stabilization: Structural vs. Non-Structural Stabilizing a slab on grade foundation system requires a design approach that mirrors its original design principle. Since shallow bearing foundation systems are designed as single units, they must be repaired as […]
January 21, 2010 By Nadine M. Post This article first appeared on Engineering News-Record Damage from landslides is common in Haiti. In Port-au-Prince, there is widespread destruction of nonductile concrete structures. Many rubble or unreinforced masonry walls failed. The E-in-plan […]