Civil Engineering Reference
In-Depth Information
Figure 16.6: Different ways of constructing wooden stairs.
be of a high quality and should not have any knots. Handrails and banisters can
be made of maple, which has a smooth surface well suited for this purpose.
It has become more common to use laminated timber in recent years.
Resorcinol glue is widely used, but casein glue is also suitable. Outdoor wooden
stairs are often pressure-impregnated.
Stone stairs
Stone stairs are particularly well suited for outdoor use. Stones can be used direct
from the quarry, or cut. Granite is the most hard-wearing variety. It is also possible
to use pieces of quartzite slate for the steps. It is usual to have a forged iron
