Page 59 - Masonry and Concrete
P. 59
Concrete Construction Techniques
58 CHAPTER THREE
SMALL
STONES
SPECIAL
REBAR
BROKEN FACE
SUPPORTS
SHELL OF CMU
FIGURE 3-18
Reinforcing bar supports.
begin work. Keep the sand pile covered with a sheet of plastic when
you’re not working to minimize moisture evaporation.
3.5.1 Hand Mixing
If you need less than a cubic yard of concrete, or if ready-mix concrete
is not available at the job site, you can mix your own concrete. For very
small projects, like setting a post or doing minor repairs, it’s easiest to
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright © 2004 The McGraw-Hill Companies. All rights reserved.
Any use is subject to the Terms of Use as given at the website.

