A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Natural fibers based armour solutions to counter improvised explosive devices
This paper discusses the blast response of walls reinforced with biodegradable materials and the viability of this solution. Intentional or accidental blast can affect military and civilian buildings. Besides the production of deadly fragments as a result of the strain energy accumulated by the structure, blasts can also lead to the collapse of the whole building. The existing solutions such as Kevlar reinforcements are expensive, not easy to deploy and not environmentally friendly. Due to their ecofriendly nature and sustainability, Natural Fiber Composites are getting a lot of attention from researchers lately. The properties of these materials are widely varied depending on factors such as the type of fiber and source or the structure of the fibers. However, NFRPCs also present themselves with several drawbacks such as water absorption, viscoelastic behavior and lower mechanical properties. This paper has a special focus on the structural properties and whether NFRPCs represent a good fit for our solution, other properties will also be discussed with fewer details. Natural Fiber Reinforced Polymer Composites were considered for reinforcing the walls due to their structural and biodegradable properties, costs and easiness of manufacturing. The behavior of a Natural Fiber Reinforced Polymer Composite reinforced concrete wall exposed to an accidental blast was simulated. The main purpose was analyzing the effect of the blast over the reinforced concrete wall and benchmark with its non-reinforced counterpart. As a conclusion, this paper proves that the presence of the Natural Fiber Reinforced Composite coat absorbs more efficiently the strain energy of the structure as a result of the blast. It can effectively minimize the formation of deadly fragments of the reinforced walls and the probability of collapse of the whole structure. Even if their structural properties are inferior to their not environmentally friendly counterparts, Natural Fiber Reinforced Polymer Composites do represent a viable solution for a ...
Natural fibers based armour solutions to counter improvised explosive devices
This paper discusses the blast response of walls reinforced with biodegradable materials and the viability of this solution. Intentional or accidental blast can affect military and civilian buildings. Besides the production of deadly fragments as a result of the strain energy accumulated by the structure, blasts can also lead to the collapse of the whole building. The existing solutions such as Kevlar reinforcements are expensive, not easy to deploy and not environmentally friendly. Due to their ecofriendly nature and sustainability, Natural Fiber Composites are getting a lot of attention from researchers lately. The properties of these materials are widely varied depending on factors such as the type of fiber and source or the structure of the fibers. However, NFRPCs also present themselves with several drawbacks such as water absorption, viscoelastic behavior and lower mechanical properties. This paper has a special focus on the structural properties and whether NFRPCs represent a good fit for our solution, other properties will also be discussed with fewer details. Natural Fiber Reinforced Polymer Composites were considered for reinforcing the walls due to their structural and biodegradable properties, costs and easiness of manufacturing. The behavior of a Natural Fiber Reinforced Polymer Composite reinforced concrete wall exposed to an accidental blast was simulated. The main purpose was analyzing the effect of the blast over the reinforced concrete wall and benchmark with its non-reinforced counterpart. As a conclusion, this paper proves that the presence of the Natural Fiber Reinforced Composite coat absorbs more efficiently the strain energy of the structure as a result of the blast. It can effectively minimize the formation of deadly fragments of the reinforced walls and the probability of collapse of the whole structure. Even if their structural properties are inferior to their not environmentally friendly counterparts, Natural Fiber Reinforced Polymer Composites do represent a viable solution for a ...
Natural fibers based armour solutions to counter improvised explosive devices
2016-10-10
Theses
Electronic Resource
English
DDC:
690
MEETING THE THREAT OF MARITIME IMPROVISED EXPLOSIVE DEVICES
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