Arch 330 Fall 2008 FORMWORK AND REINFORCING FOR CONCRETE

Formwork Temporary Support for Concrete – curing Almost a Temporary Building – support weight and pressure of wet concrete Major Expense $$$

Formwork Design No Leaks Support without Excessive Deflection Easily Removed - Taper No Corners, Pockets to Trap Concrete

Form Release Compound Prevents Adhesion of Concrete to Form - Oil, Wax, Plastic KEEP OFF Reinforcing Bars – effect bond between concrete and steel

FORM MATERIAL WOOD METAL PLASTIC

Reuse Formwork High Q. Surface Form = High Q. Surface Finish Conc. Formwork Texture = Concrete texture Quality of Finished Conc. – Quality of Form Top Grade Formwork for High Finish Concrete

STUD--- WALER---- Diagonal Brace--- Form Tie

Studs Walers Brace Tie

Brace

Wall cut out

Beam Form- Taper

Column Form

Column Footing Form

Continuous Footing Form

Wall Tie