2021-12-04 09:44:20|已浏览:246次

话题:
The diagrams below show how houses can be protected in areas which are prone to flooding.When there is no stop bank, as shown in the second diagram, there will be nothing to stop the river from flooding. In this case, the solution is to put buildings on stilts. The height of the stilts is measured so that the floor of the house is 300mm above the 100-year flood level. This measurement is called the ‘freeboard’.
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