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Technical Specification

Technical Specifications of Interlocking Pavers

S. No.

Discription

AS Per 15658:2006

1

Dimension tolarence

< 100 mm tk


Length

+/- 2mm


Width

+/- 2mm


Thickness

+/- 3mm


Chamfer

+/- 1mm


Squareness

+/- 2mm

2

Specified compressive strength

30-50N/mm 2 (dep on trafic)

3

Water absorption

< 6%

Note: Above specifications are applicable for standard products. Other specifications are also available as per costumer requirement.


Table 1 Recommended Grades of pavers Blocks for Different Traffic Categories as per IS 15658-2006

S. No

Grade
Designation
Of Paver
Blocks

Specified
Compressive
Strength of
Paver Blocks

At 28 Days
N/mm2

Traffic
Category

Recommended
Minimum 
Paver Block

Thickness

mm

Traffic Examples
Of application

1

2

3

4

5

6

I

M-30

30

Non-Traffic

50

Building premises, monument premises, landscapes, public gardens/parks, domestic drives, paths and patios, embankment slopes, sand stabilization area, etc

II

M-35

35

Light-traffic

60

Pedestrian plazas, shopping complexes ramps, car parks, office driveways, housing colonies, office complexes, rural roads with low volume traffic, farm houses, beach sites, tourist resorts local authority footways, residential roads, etc

III

M-40

40

Medium-traffic

80

City streets, small and medium markets roads, low volume roads, utility cuts on arterial roads, etc

IV

M-50

50

Heavy
traffic

100

Bus terminals, industrial complexes, mandi houses, roads on expansive soils, factory floor, services stations, industrials pavements, etc

V

M-55

55

Very heavy-traffic

120

Container terminals, ports, docks yards, mine access roads, bulk cargo handing areas, airport pavements, etc


Table 3 Compressive Strength Requirements of Concrete Paver Blocks

(Clauses 6.2.5.2 and 9.1 .4)

S. No.

Grade of Paver Blocks

Minimum Average 28 Days Compressive Strength N/mm2

1

2

3

I

M-30

fck +0.825 x established standard deviation ( rounded off to nearest 0.5 N/mm2

II

M-35

III

M-40

IV

M-50

V

M-5


Table 4 Correction Factors for Thickness and Arris/Chamfer of Paver Bock for Calculation of’ Compressive Strength

S. No.

Paver Block Thickness mm

Correction Factor for

Plain Block

Arrised/Chamfer of Paver  Block

1

2

3

4

I

50

0.96

1.03

II

60

1.00

1.06

III

80

1.12

1.18

IV

100

1.18

1.24

V

120

1.28

1.34

Resistance to Wear  â€“ When tested in the manner specified in Appendix F, the wear shall not exceed the following value:

a

For general purpose tiles




1. Average wear

3.5 m



2. Wear on individual specimen

4.0 mm


b.

For heavy duty floor tiles




1. Average wear

2 mm



2. Wear on individual specimen

2.5 mm