Abstract
This paper deals with testing and numerical simulating of flood barriers. The Czech Republic has been hit by several very devastating floods in past years. These floods caused several dozens of causalities and property damage reached billions of Euros. The development of flood measures is very important, especially for the reduction the number of casualties and the amount of property damage. The aim of flood control measures is the detention of water outside populated areas and drainage of water from populated areas as soon as possible. For new flood barrier design it is very important to know its behaviour in case of a real flood. During the development of the barrier several standardized tests have to be carried out. Based on the results from these tests numerical simulation was compiled using Abaqus software and some analyses were carried out. Based on these numerical simulations it will be possible to predict the behaviour of barriers and thus improve their design.
Highlights
Floods in terms of their occurrence are inseparable, spatially and temporally irregular part of the water cycle
Mobile barriers must fulfil many requirements, such as low weight, easy installation, durability, low price etc. All these requirements must considered for a development of a new design of flood barrier
It is necessary to carry out many tests, which are often very expensive. Some of these tests can be replaced by numerical simulations
Summary
Floods in terms of their occurrence are inseparable, spatially and temporally irregular part of the water cycle. According to the European directive [2], the term “flood” means the temporary covering by water of land not normally covered by water This shall include floods from rivers, mountain torrents, Mediterranean ephemeral water courses, and floods from the sea in coastal areas, and may exclude floods from sewerage systems. In 1997 the Czech Republic was hit by flood, whose size and damaging impact was surprising [3]. Since 1997 the Czech Republic has been hit by several other very devastating floods Both loss of life and material damage are shown in table 1. These recent floods disproved the myth that from natural point of view the large flood can be expected in the longer period of time. Follows from the foregoing it is necessary to learn and expand our knowledge and experience from previous floods, for reduction of life lost and damage caused by future floods [5,6]
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