14-04-2011, 12:40 PM
PRESENTED BY:-
MATRU PRASAD SWAIN
[attachment=12182]
• INTRODUCTION
Landmines and unexploded ordnance (UXO) are a legacy of war , insurrection ,and guerilla activity. Landmines kill and maim approximately 26,000 people annually. In cambodia whole area of arable land cannot be farmed due to the threat of landmines .
UN relief operations are made more difficult and dangerous due the mining of roads.
Current demining techniques are heavily reliant in metal detectors and prodders.
Mine types
• ANTI-PERSONNEL – DESIGNED TO KILL OR MAIM DISMOUNTED TROOPS
• ANTI-TANK - DESIGNED TO DESTROY OR DISABLE TRACK OR WHEELED VEHICLES
• CHEMICAL - DESIGNED TO DISPENSE SMOKE, CS OR MORE DANGEROUS BIOLOGICAL OR CHEMICAL AGENTS
Four categories of innovative technology
1. Electromagnetic methods
2. Acoustic/seismic methods
3. Chemical vapor detection methods
4. Bulk explosives detection methods
X-RAY BACKSCATTER
When X-rays pass through matter they will be attenuated, i.e. absorbed or scattered. The probability of scattering in the back direction. This probability depends inversely on the absorption power of the material to the incident and to the backscattered x rays. Organic materials typically absorb only a small fraction of the x rays, so that the scatter probability is high. Metals typically are strongly absorbing, and the scatter probability is low. Thus, organic materials are bright and metallic objects are dark in the image
capabilities and advantages :
1 . The information depth is sufficient to detect all regularly placed mines.
2. XBT is able to detect metal-free landmines.
3 . landmines buried in a variety of soil conditions including various types of vegetation will be detected with XBT.
MATRU PRASAD SWAIN
[attachment=12182]
• INTRODUCTION
Landmines and unexploded ordnance (UXO) are a legacy of war , insurrection ,and guerilla activity. Landmines kill and maim approximately 26,000 people annually. In cambodia whole area of arable land cannot be farmed due to the threat of landmines .
UN relief operations are made more difficult and dangerous due the mining of roads.
Current demining techniques are heavily reliant in metal detectors and prodders.
Mine types
• ANTI-PERSONNEL – DESIGNED TO KILL OR MAIM DISMOUNTED TROOPS
• ANTI-TANK - DESIGNED TO DESTROY OR DISABLE TRACK OR WHEELED VEHICLES
• CHEMICAL - DESIGNED TO DISPENSE SMOKE, CS OR MORE DANGEROUS BIOLOGICAL OR CHEMICAL AGENTS
Four categories of innovative technology
1. Electromagnetic methods
2. Acoustic/seismic methods
3. Chemical vapor detection methods
4. Bulk explosives detection methods
X-RAY BACKSCATTER
When X-rays pass through matter they will be attenuated, i.e. absorbed or scattered. The probability of scattering in the back direction. This probability depends inversely on the absorption power of the material to the incident and to the backscattered x rays. Organic materials typically absorb only a small fraction of the x rays, so that the scatter probability is high. Metals typically are strongly absorbing, and the scatter probability is low. Thus, organic materials are bright and metallic objects are dark in the image
capabilities and advantages :
1 . The information depth is sufficient to detect all regularly placed mines.
2. XBT is able to detect metal-free landmines.
3 . landmines buried in a variety of soil conditions including various types of vegetation will be detected with XBT.
