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Terrafix Type:

270 R

360 R

TENSILE STRENGTH

N

556

750

ELONGATION

%

70-100

70-100

MULLEN BURST

Kpa

1700

2700

PERMEABILITY

cm/sec

2.6x10

2.8x10

E.O.S.

um

50

50

BALL BURST TEST

N

1350

1930

TERRAFIX INTERLOCKING CONCRETE BLOCK SYSTEM STANDARD SPECIFICATION SHEET

T-45

T-60

Length

610mm

641mm

Width

172mm

180mm

Thickness

114mm

150mm

Coverage

0.11m /blk

0.12m /blk

Unit Weight

23.1kg

37.7kg

  • 1.

    GENERAL

    • 1.1

      Description .1

.2

This work consists of supply and installation of a precast interlocking concrete block system for erosion control on creeks, rivers, dams, spillways, shorelines, slopes and as flexible pavement for access and boat launching ramps. The block system consists of a Non Woven Geotextile overlain with interlocking blocks. Stainless steel wire reinforcement and anchoring elements (if specified).

  • 2.

    MATERIALS

    • 2.1

      Geotextiles

For Block Type T45 use 270 R For Block Type T60 use 360 R PHYSICAL PROPERTIES

MATERIAL GRADE

Testing methods for all geotextiles conform to Canadian General Standards Board, Standard 2-4.2 M77 Grad Tensile Tests No. 9.2 - Ball Burst Tests No. 11.2 - Mullen Burst Tests No. 11.1 2.2 Interlocking Concrete Block .1 Type - Terrafix T - The precast concrete blocks shall be formed with double mortise and tenon connectors which provide a positive articulating interlock with adjoining blocks in the system. .2 Specifications

All blocks to have a minimum 28 day compressive strength of 41.4 M.Pa, a maximum moisture absorption of 4.5% and a freeze thaw resistance of not

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