Standard Military Defensive Barriers | MDB Units - Earth-filled Gabion Defensive Barrier

The defense defensive barrier (commonly referred to as an explosion-proof shelter or containment cage) is a modular, foldable mesh panel container made of durable materials such as high-strength steel. It is lined with heavy-duty geotextile fabric and its main function is to block the impact of explosions and flying debris, or to prevent the spread of internal explosions. The design is convenient for rapid deployment. It is filled with sand, soil, or gravel inside to form a sturdy and shock-resistant wall. It is widely used in fields such as chemical processing, mining, and hazardous material transportation, military protection, perimeter security, flood control, etc., to safeguard the safety of personnel, equipment, and the surrounding environment, and complies with industrial safety and explosion-proof standards.

Rapidly deployable military defensive barriers for troop protection in global combat and emergency scenarios.

Shanghai Jinnuo Metal’s standard Military Defensive Barrier (MDB unit) is supplied flat-packed for convenient transport. It features ultra-fast assembly, requiring minimal labor, machinery and filling materials.

Construction efficiency comparison: A 10-meter long protective wall only needs 2 workers plus 1 front loader, finished within 20 minutes.
Traditional sandbag alternative: The same 10m wall requires 8 staff working 8 hours, and consumes 3 times more filling materials.

Defensive Barrier Structure

Our military barrier adopts multi-cell integrated structure:

Main frame: Welded hot-dip galvanized steel wire mesh, connected by vertical spiral coil fasteners for stable splicing

Inner lining: Heavy-duty non-woven polypropylene geotextile fabric, effectively retaining soil/sand without leakage

Overall performance: After assembly and filling, the barrier system delivers outstanding compressive strength and stable structural integrity, resistant to impact and deformation.

Wall Height Construction Standard

Core construction specification: The maximum wall height cannot exceed twice the base width of the barrier. Example: If the base width of a single unit is 1 meter, the assembled wall height shall not surpass 2 meters.

Installation Steps of Defensive Barrier Walls

Unfold flat-packed barrier units and lay them flat on level ground
Align adjacent units and lock all connecting parts with spiral fixing coils/pins
Tidy the internal geotextile lining to avoid gaps
Fill sand, earth or gravel layer by layer and compact evenly
Stack additional layers (follow the height limit rule) and connect each layer securely
Seal the top of the filled barrier for complete protection

Specification Size List

Items	Height	Width	Length	Internal Cell
JN- Barrier 1	54"(1.37m)	42"(1.06m)	32'9"(10m)	5+4=9 cells
JN- Barrier 2	24"(0.61m)	24"(0.61m)	4'(1.22m)	2 cells
JN- Barrier 3	39"(1.00m)	39"(1.00m)	32'9"(10m)	5+5=10 cells
JN- Barrier 4	39"(1.00m)	60"(1.52m)	32'9"(10m)	5+5=10 cells
JN- Barrier 5	24"(0.61m)	24"(0.61m)	10'(3.05m)	5 cells
JN- Barrier 6	66"(1.68m)	24"(0.61m)	10'(3.05m)	5 cells
JN- Barrier 7	87"(2.21m)	84"(2.13m)	91'(27.74m)	5+4+4=13 cells
JN- Barrier 8	54"(1.37m)	48"(1.22m)	32'9"(10m)	5+4=9 cells
JN- Barrier 9	39"(1.00m)	30"(0.76m)	30'(9.14m)	6+6=12 cells
JN- Barrier 10	87"(2.21m)	60"(1.52m)	100'(30.05m)	5+5+5+5=20 cells
JN- Barrier 11	48"(1.22m)	12"(0.30m)	4'(1.22m)	2 cells
JN- Barrier 12	84"(2.21m)	42"(1.06m)	108'(33m)	5+5+5+5+5=30 cells
JN- Barrier 13	108"(2.74m)	42"(1.06m)	10'5"(3.18m)	6 cells

Core Product Advantages

Flat folding packaging, greatly reduce shipping volume and ocean freight cost
Super fast installation, cut labor and construction time drastically vs sandbags
Hot galvanized mesh for long anti-rust service life in harsh outdoor environments
Customizable unit dimensions, wall length and height per project demand
Complete test reports available: tensile test, salt spray corrosion test, geotextile performance inspection
Flexible combination, applicable for military defense, border security, flood control, temporary safety isolation

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