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Traverses and Barricades
MA03 Slide 1
Function
ES
ES
PES
PES
Traverse
Without traverse
With traverse
MA03 Slide 2
(Side Views)
Functional Types
An interceptor traverse A receptor traverse A container traverse A screening traverse
MA03 Slide 3
Interceptor Traverse
ES
ESPES
MA03 Slide 4
(Top View)
(Side View)
Receptor Traverse
PES ES
ESPES
MA03 Slide 5
(Top View)
(Side View)
Container Traverse
PES ES
ESPES
MA03 Slide 6
(Top View)
(Side View)
Screening Traverse
PES ES
ESPES
MA03 Slide 7
(Top View)
(Side View)
Types of Traverse
Type I : Double slope earth mound Type II: Single slope vertical face earth mound Type III: A steep double slope earth mound Type IV: Fully buried buildings
(< 600 mm below ground level)
Type V: Wall traverses Type VI: Natural features
MA03 Slide 8
Type 1 Traverse
MA03 Slide 9
Type 2 Traverses
MA03 Slide 10
Type 3 Traverse
MA03 Slide 11
Type 4 Traverse (bunker type)
MA03 Slide 12
Type 5 Traverse
MA03 Slide 13
Type 6 Traverse
MA03 Slide 14
Position of Traverses
PES
PES
Practical gap for handling equipment,
vehicles, etc
1mIATG minimum
= 1m
MA03 Slide 15
(Side View)
(Side View)
Geometry of Traverses
Key factors:
• Height• Width• Length• Slope
MA03 Slide 16
Geometry of Traverses - Height
Stack
2 degMinimum traverse height
0.6m
MA03 Slide 17
(Side View)
Geometry of Traverses – Height – Screening Traverse
Stack
40 deg
MA03 Slide 18
(Side View)
Geometry of Traverses - Width
Stack
2.4 mMinimum
traverse width
0.6m
MA03 Slide 19
(Side View)
Geometry of Traverses - Length
PES
1 m
1 m
ES
MA03 Slide 20
(Top View)
Geometry of Traverses – Slope
Less than 26 deg
MA03 Slide 21
(Side View)
Materials - Earth
MA03 Slide 22
MaterialDescription
(in preference order)
Grading Limits Design slope(dependent on soil mechanics)Coarse Material Fine Material
Maximum particle size
Maximum content
(% by weight:20-75mm)
Maximum fines content
(% by weight< 63
micrograms)
Maximum clay content
(% by weight< 2 micrograms)
Well graded sand 6.3mm 0% 15% 5%1:1.5 to 2
(33° to 26°)
Well graded gravelly or clayey or silty sand (inorganic)
7.5mm 5% 20% 5%1:1.3 to 2.5(37° to 21°)
Inorganic fillOther inorganic material meeting the above grading requirements
Materials – Earth Plus Brick/Steel/Concrete
MA03 Slide 23
Material Effectiveness compared to soil(nominal value of 1)
Brick x 4
Concrete x 6
Steel x 24
Other Types of Traverse
Permanent:• Walls (concrete, masonry)
Field Storage: • 1.4 Ammunition• Water Barriers• Soil Barriers
MA03 Slide 24
Quick Confirmatory Test
MA03 Slide 25
Questions
MA03 Slide 26
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