London Concrete Technical

RECOMMENDED MIXES FOR HOUSING & DOMESTIC USE.

 

TYPICAL APPLICATION FOR DESIGNATED / STANDARD MIXES. TYPICAL APPLICATION

DESIGNATED MIX

STANDARD MIX

SLUMP

FOUNDATIONS.

 

 

 

BLINDING AND MASS CONCRETE FILL

GEN 1

ST2

75

STRUCTURAL BLINDING & OVERBREAK

GEN 3

ST2

75

STRIP FOOTINGS (NON-AGGRESSIVE SOILS)

GEN 3

ST2

75

MASS CONCRETE FOUNDATIONS I.E CLASS 1 SULFATE CONDITIONS

GEN 3

ST2

75

TRENCH FILL FOUNDATIONS (NON-AGGRESSIVE SOILS)

GEN 3

ST2

125

REINFORCED FOUNDATIONS IN CLASS 1 SULFATE CONDITIONS

RC 35

N/A

75

FOUNDATIONS IN CLASS 2 SULFATE CONDITIONS

FND 2

N/A

75

FOUNDATIONS IN CLASS3 SULFATE CONDITIONS

FND 3

N/A

75

FOUNDATIONS IN CLASS 4 SULFATE CONDITIONS

FND 4

N/A

75

GENERAL APPLICATIONS.

 

 

 

KERB BEDDING AND DRAINAGE

GEN 1

ST1

10


DRAINAGE WORKS TO GIVE IMMEDIATE SUPPORT IN NON-AGGRESSIVE SOILS

GEN 3

ST2

10

OTHER DRAINAGE WORKS IN NON-AGGRESSIVE SOILS

GEN 3

ST2

50

OVERSITE BELOW SUSPENDED SLABS

GEN 2

ST2

75

FILL TO WALL CAVITIES

GEN 3

N/A

125

SOLID FILLING UNDER STEPS

GEN 3

N/A

75

FLOORS.

 

 

 

GARAGE AND HOUSE FLOORS WITH NO EMBEDDED METAL(ALSO SEE BS5328:PART 2)

GEN 4

ST2

75

PAVING.

 

 

 

HOUSE DRIVES,DOMESTIC PARKING AND EXTERNAL PAVING

PAV 1

N/A

75

HEAVY DUTY EXTERNAL PAVING

PAV 2

N/A

50

NOTE: CONCRETE CONTAINING EMBEDDED METAL SHOULD BE TREATED AS REINFORCED.
PAV 1 & PAV 2 MIXES MUST CONTAIN AN AIR ENTRAINING ADMIXTURE.