Product Data Sheet Show all documents

King® MS-D1 X MTQ

SHOTCRETE MATERIAL FOR DRY-MIX PROCESS APPLICATIONS

King® MS-D1 X MTQ is a pre-blended, pre-packaged, dry-process shotcrete material containing Portland cement, silica fume, air-entraining admixture, blended aggregates and other carefully selected components. It has greatly enhanced shooting characteristics and physical properties.

  • Air-entrainment provides superior resistance to freeze-thaw cycling and salt-scaling resistance
  • Improved adhesive and cohesive plastic properties
  • Significantly reduced rebound, resulting in lower material usage
  • Improved ability to build greater thicknesses in a single pass in both vertical and overhead orientations
  • Improved resistance to water wash-out
  • Improved resistance to sulphate attack
  • Very low permeability
  • Low shrinkage
  • Designed with natural normal-density non-reactive aggregates to eliminate potential alkali-aggregate reactivity (AAR)
   
Product Data Sheet Show all documents

Usage

  • Rehabilitation of concrete bridges, dams, reservoirs, tunnels, marine structures and parking ramps
  • Lining and rehabilitation of sewers and watermains
  • New construction including slope stabilization, soil nailing, shaft and tunnel linings, pools and other concrete structures
 

Advantages

  • Air-entrainment provides superior resistance to freeze-thaw cycling and salt-scaling resistance
  • Improved adhesive and cohesive plastic properties
  • Significantly reduced rebound, resulting in lower material usage
  • Improved ability to build greater thicknesses in a single pass in both vertical and overhead orientations
  • Improved resistance to water wash-out
  • Improved resistance to sulphate attack
  • Very low permeability
  • Low shrinkage
  • Designed with natural normal-density non-reactive aggregates to eliminate potential alkali-aggregate reactivity (AAR)
   

Packaging

  • 30 kg (66 lb) bags
  • 1000 kg (2205 lb) FIBC

Custom packaging is available to suit specific project requirements

Product Details

Product Information

Shelf Life

12 months in original, unopened packaging

Storage Conditions

Store in a dry, covered area, protected from the elements
Technical Information

Compressive Strength

1 day

15 MPa (2175 psi)

3 days

20 MPa (2900 psi)

7 days

25 MPa (3625 psi)

28 days 35 MPa (5076 psi)

   

4  hours

--

8 hours

5 MPa (725 psi)

12 hours

7 MPa (1015 psi)

Tensile Strength in Flexure

28 days

6.5 MPa (940 psi)

Shrinkage

UNIAXIAL DRYING SHRINKAGE

ASTM C 157

900 μm/m

Porosity

AIR CONTENT

ASTM C 457

6% ± 2%

   

BOILED ABSORPTION

ASTM C 642

6.0%

   

MAXIMUM AIR VOID SPACING FACTOR

ASTM C 457

300 μm/m

   

MAXIMUM VOLUME OF PERMEABLE VOIDS

ASTM C 642

15.0%

Freeze thaw resistance

96% 

Excellent durability factor

ASTM C 666

Salt Resistance

SALT-SCALING RESISTANCE

ASTM C 672

1.2 kg/m2 (0.24 lb/ft2)

Application

Application Information

Setting Time

Initial

60 minutes

Final

70 minutes
Consumption

Yield

  • Approx. 0.014 m3 (0.5 ft3)/ 30kg (66 lb) bag
  • Approx. 0.45 m3 (16.5 ft3) / 1000 kg (2205 lb)  FIBC

Yield in service may slightly vary according to project conditions
Application steps

SURFACE PREPARATION

Repair or Rehabilitation

All surfaces to be in contact with King® MS-D1 X MTQ must be free from dust, oil, grease or any other foreign substances that may interfere with the bond of the material. Remove all loose or delaminated concrete providing a roughened surface and a minimum of 25 mm (1 inch) clearance behind any corroded reinforcing steel. The perimeter of the repair area should be saw-cut a minimum of 20 mm (¾ inch). Clean the area to be repaired with potable water, leaving the concrete saturated but free of standing water (SSD).

APPLICATION

Apply King® MS-D1 X MTQ in accordance with the ACI 506 “Guide to Shotcrete” publication

OPTIMAL PERFORMANCE 

  • For adverse temperatures, follow ACI recommendations for Cold/ Hot Weather Concreting.

CURING TREATMENT

Curing is essential to optimize physical properties of the shotcrete and minimize plastic shrinkage. King® MS-D1 X MTQ should be cured immediately after material has reached initial set in accordance with  ACI 308 “Guide to Curing Concrete”. Continuously moist cure for a minimum period of 7 days. Alternatively, moist cure for a minimum period of 24 hours and apply a curing compound that complies with ASTM C 309. Curing is particularly critical in rapid moisture loss conditions such as high temperatures, high winds and low humidity.

Documents