Pre-fabricated building panels and method of manufacturing
Prefabricated concrete wall structure
Prestressed or post-tension composite structural system
Process for the articulated imbrication of concrete slabs...
Rebar loop horizontal lifeline fall arrest system
Reinforced shrinkage compensating concrete slab structure
Reinforced slab made of cement conglomerate, method for the...
Trusses and precast concrete slabs reinforced thereby