Fabrication of a SHOREBLOCK® SD mat is accomplished by threading corrosive resistant steel or special synthetic cable in one direction through a series of blocks. Cables are then secured to the mattress with corrosive resistant hardware. Cables are sized to provide a 5 to 1 cable strength to mat weight ratio to insure safe handling while providing extraordinary strength in the system. Longitudinal cables are looped together at the ends of each row of blocks in the mat assembly for easy handling and anchoring. In most markets, ACBs are competitive in cost to 12" diameter (or greater) rock (or RipRap) placed in an 18" or greater blanket thickness. In most markets, ACBs are competitive with gabion mattresses and ACBs are typically cheaper than cast in place concrete.
ACCEPTABILITY
SHOREBLOCK® SD becomes part of the landscape and the local ecosystem. Its construction is free of hazardous projections thus offering opportunities for recreation as native grasses are quick to germinate in the soil filled cells. |
STABILITY
SHOREBLOCK® SD has the necessary strength characteristics to resist displacement due to imposed tractive forces and wave loads and the necessary strength to resist both lateral displacement and vertical uplift. |
DURABILITY
SHOREBLOCK® SD will not suffer loss of function due to chemical degradation, UV degradation, freeze thaw, biological degradation, vandalism or aging throughout its design life.
| AFFORDABILTY
The SHOREBLOCK® SD System is engineered to ensure comprehensive project design, and high quality components at 20-50% lower than alternative erosion control methods. |
SHOREBLOCK® SD Mats
SHOREBLOCK® SD mats are assembled according to the size required for a particular project. Each individual block is inspected prior to being incorporated into a revetment mat. Fabrication of a SHOREBLOCK® concrete mat is accomplished by threading corrosive resistant steel or special synthetic cable through a series of blocks. Cables are then secured to the mattress with corrosive resistant hardware. Cables are sized to provide a 5 to 1 cable strength to mat weight ratio to insure safe handling while providing extraordinary strength in the system. Longitudinal cables are looped together at the ends of each row of blocks in the mat assembly for easy handling and anchoring.
SHOREBLOCK® Units are manufactured in accordance with ASTM C90, D6684-04 and C140 and the following criteria:
- Concrete Unit Weight 130-150 lbs./CF
- Minimum Compression Strength 4,000 PSI
- Maximum Absorption 7%
- Dimensional Tolerance + 1/8"
- Galvanized or Polyester Cabling
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SHOREBLOCK® Performance
The SHOREBLOCK® cabled erosion control revetment system has been proven in the laboratory and the field as a technical and economical improvement over traditional forms of erosion control. By virtue of their large unit mass and corrosion resistant cables, SHOREBLOCK® mattresses provide an easily constructed, durable, flexible, and permeable erosion protection system. The SHOREBLOCK® system was developed to provide a superior armored surface for long-term erosion control. SHOREBLOCK® mattresses are placed on geotextile fabric, which provides soil retention, as well as permeability, through the revetment system. The geometrically interlocking units and corrosion resistant cables allow the SHOREBLOCK® system to articulate with unequaled strength and stability. These features provide the system integrity necessary for maintenancefree, long-term protection.
Upon complete assembly, the SHOREBLOCK® mats can be stockpiled or loaded on flatbed trucks or barges for shipment to the job site.
Technical Specifications
OPEN CELL
UNITS |
Dimensions In. |
Block
|
Unit
Coverage
Sq. Ft. |
Open
Area
% |
| H |
W |
L |
Unit Weight Lbs. |
System Weight Lbs./Sq. Ft. |
| SD-400 OC |
4.00 |
15.50 |
17.40 |
51-57 |
29-32 |
1.78 |
20 |
| SD-475 OC |
4.75 |
15.50 |
17.40 |
62-67 |
35-38 |
1.78 |
20 |
| SD-600 OC |
6.00 |
15.50 |
17.40 |
81-88 |
46-50 |
1.78 |
20 |
| SD-800 OC |
8.00 |
15.50 |
17.40 |
108-118 |
61-67 |
1.78 |
20 |
| SD-900 OC |
9.00 |
15.50 |
17.40 |
120-129 |
68-73 |
1.78 |
20 |
| CLOSED CELL UNITS |
Dimensions In. |
Block |
Unit
Coverage
Sq. Ft. |
Open
Area % |
| H |
W |
L |
Unit Weight Lbs. |
System Weight Lbs./Sq.Ft. |
| SD-400 OC |
4.00 |
15.50 |
17.40 |
66-73 |
37-41 |
1.78 |
10 |
| SD-475 OC |
4.75 |
15.50 |
17.40 |
78-84 |
44-48 |
1.78 |
10 |
| SD-600 OC |
6.00 |
15.50 |
17.40 |
94-101 |
53-57 |
1.78 |
10 |
| SD-800 OC |
8.00 |
15.50 |
17.40 |
125-135 |
71-76 |
1.78 |
10 |
| SD-900 OC |
9.00 |
15.50 |
17.40 |
145-156 |
82-88 |
1.78 |
10 |
*The SD Series denotes the single directional cabel system. Note: Additional block styles may be available in some areas. Check with your local Shoretec® representative for product availability. |
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SHOREBLOCK® SD blocks of different heights and weights can be assembled to provide a castellated cover layer for a higher coefficient of hydraulic friction or improved wave energy absorption and beach retention.
SHOREBLOCK® SD maintains integrity in the event of subgrade deformation and distributes weight evenly over the subsoil.
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