Page 368 - Masonry and Concrete
P. 368
Retaining Walls
367
RETAINING WALLS
BATTER 2" FOR EVERY FOOT OF HEIGHT
SLOPE GAUGE
LEVEL
FIGURE 10-23
Using a slope gauge.
tar to protect the wall from moisture. Trowel on a 1-in. to 2-in.-thick
mortar bed covering only about 2 ft. of the wall at a time. Fill in the
joints between the cap stones with mortar too, making the joints convex
so they will not collect water. Fill across the back of the cap stone with
a little soil to secure it in place.
10.5 Tree Wells
A tree well is just a retaining wall built around the base of a tree to pro-
tect it when a grade level is changed by adding soil. Tree root systems
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.
