Built entirely above ground, often from thick reinforced concrete or brick.
During the 20th century, particularly World War II, shelter design evolved into four primary categories based on their relationship to the ground:
Air-raid shelters are fortified structures specifically designed to protect both civilians and military personnel from aerial bombardments and explosions. Unlike bunkers, which are often built to withstand ground-level attacks, air-raid shelters prioritize defense against falling ordnance, shrapnel, and blast waves. 2. Historical Development and Typology
Partially embedded, like the Anderson shelter , which used corrugated iron sheets covered with earth for protection.
Fully underground structures, including the famous London Underground stations and purpose-built deep-level tunnels. AI responses may include mistakes. Learn more