Minnesota Department of Transportation

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Approved/Qualified Products

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Dry Cast Wall Modular Block and Geogrid System Combinations

Dry Cast Wall Modular Block Units*

Approved Geogrid Reinforcement (by Class) 

 

MBW Unit

 

 

 

MBW Manufacturer

MBW Unit

Block Height (ft)

Block Depth (ft)

Batter (deg)

MBW 1050

MBW 1400

MBW 2100

Allan Block

AB Classic

0.635

1.0

6.7

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

StrataGrid SG200

StrataGrid SG350

StrataGrid SG500

AB Vertical

0.635

1.0

3.0

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

StrataGrid SG200

StrataGrid SG350

StrataGrid SG500

Anchor Block

Diamond Pro

0.67

1.0

7.1

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Landmark

1.25

1.0

1.0 or 3.8

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Vertica

0.67

0.92

2.0 or 4.0

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Keystone

Compac II

1

1.0

0.0, 4.0 or 8.0

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Compac III

1

1.0

0.0, 4.0 or 8.0

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Standard

0.75

1.5 or 1.75

0.0, 4.0 or 8.0

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

Rockwood

Classic 8

0.67

1.0

7.1

Geostar HP 300

Geostar HP 300

-

StrataGrid 200

StrataGrid 350

StrataGrid 500

Versalok

Nexus

 

0.67

 

1.0

 

7.1

 

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

StrataGrid SG200

StrataGrid SG350

StrataGrid SG500

-

Synteen SF 55

Synteen SF 80

Square Foot Unit

 

0.67

 

1.0

 

7.1

 

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

StrataGrid SG200

StrataGrid SG350

StrataGrid SG500

Synteen SF 35

-

Synteen SF 80

Standard

 

0.5

 

1.0

 

7.1

 

Miragrid 3XT

Miragrid 5XT

Miragrid 8XT

StrataGrid SG200

StrataGrid SG350

StrataGrid SG500

-

-

Synteen SF 80

*Dry Cast Wall Modular Blocks and Modular Block Walls must also meet the requirements of MnDOT Technical Memorandum No. 14-03-MAT-01.

New Dry Cast Modular Block Wall product combinations (systems) require a submittal for the Geogrid Reinforcement and for the Modular Block. Geogrid submittals must include current NTPEP test results for ultimate tensile strength, allowable tensile strength and test results that support creep, installation damage and durability factors. Modular Block submittals require physical block characteristics, connection of the geogrid to the modular block strength testing, and documentation according to AASHTO LRFD Bridge Design Manual.

Last Update Feb 02, 2016

Contact

Blake Nelson
Materials Office
blake.nelson@state.mn.us
651-366-5599