Arch 330 Fall 2008 FORMWORK AND REINFORCING FOR CONCRETE

Arch 330Fall 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