Lesson 2.1: CHB Reinforcement
BuLACAN State University
Bachelor Of Industrial Technology Major In Drafting
STUDY GUIDE, DEFINITIONS AND NOTES
The CONCRETE, empty square work examination can be ready altogether. It
gives accentuation on the most proficient method to decide the amount of
blocks, concrete, sand, and rock, aside from the steel reinforcement, which is
essential to finish the work. The size and spacing of the CHB support bars rely
on the arrangement and details, which is the premise of the estimate. There
are three ways on how we can identify the number of steel bars needed:
1. By the Direct Counting Method
2. By the Unit CHB Method
3. By the Area Method
The Direct Counting Method can be by counting the number of the vertical
and horizontal bars plus the lapping directly, hook, and bend from a
detailed plan. But, how many plans have presented a detailed drawing for
steel reinforcement?
The Area / Unit CHB Method
The simplest method of computing the steel reinforcement for CHB is with
the aid of a table wherein the values presented include the allowances for
splice and bend.
Table 2-3 LENGTH OF STEEL REINFORCEMENT FOR CONCRETE HOLLOW
BLOCK WORK
