TM 5-822-5/AFM 88-7, Chap. 1
JOINTS FOR PLAIN CONCRETE
15-1. Design Details.
pansion of the concrete resulting from temperature
A typical layout and cross section of a roadway is
and moisture changes, to relieve warping and
presented in figure 15-1 showing the location of
curling stresses due to temperature and moisture
various joint types. Figure 13-1 presents a layout of
differentials, to prevent unsightly irregular breaking
joints at intersections of plain concrete pavements.
of the pavement, and as a construction expedient, to
Figure 15-2 shows the layout of joints for plain
separate sections or strips of concrete placed at
concrete parking areas. Joints for RCCP are
different times. The three general types of joints are
discussed in chapter 17.
contraction, construction, and expansion (see figs.
15-2. Joint Types and Usage.
15-3 to 15-6.
Joints are provided to permit contraction and ex-