3: Metal Reinforcement

Steel

the most widely used reinforcing material for almost all types of concrete construction. It is an excellent partner of concrete in resisting both tension and compression stresses.

10, 100

Steel is ___ times stronger than concrete in resisting compression load and ___ times stronger in tensile stresses.

Billet

N

Axle

N

Rail Steel

Rail Sign

Direct Counting Method

could be done by directly counting the number of vertical and horizontal bars plus the lapping, hook, and bend from a detailed plan.

Area and Unit CHB Method

This is the simplest method of computing the steel reinforcement for CHB.

Gauge number 16 galvanized wire

commonly used as tie wire for steel bar intersections and splicing joints

CHB Reinforcement Tie Wire

The common size of steel reinforcement for CHB are either 10mm, 12mm, or 13mm depending upon the plan and specifications.