6. Water drainage
The purpose of a drainage system, which must be included in the design of the structure, is to ensure :
rapid drainage of rainwater to prevent flooding of the roadway;
protection of the structure from water infiltration, with varying levels of harmful agents.
The rainwater drainage system is essentially made up of gargoyles placed every 20 m or so on either side of the roadway or railway platform (figure 18 ). They collect surface water from a roadway, which is usually roof-shaped (for a two-way roadway) with two 2.5% slopes, or with a single slope (for a one-way or two-way roadway) of the same value. Water can be evacuated without special...
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Water drainage
Other equipment
Article included in this offer
"Public works and infrastructure"
(
88 articles
)
Updated and enriched with articles validated by our scientific committees
A set of exclusive tools to complement the resources
Bibliography
Also in our database
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
