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Pavement Testing Services Ltd Unit 7 Cowling Business Park Canal Side Chorley PR6 0QL 4076 T: 01257 233 242 F: 01257 234 744 E: info@ptsinternational.co.uk

TEST REPORT Determination of California Bearing Ratio

Client:

AMTECH

Report No:

Site:

Venture Fields, Widnes

Lab Ref. No:

Location:

D3

Client Ref:

1119-A-03-A-09 Lab/11/392 C2

Sample type:

Recompacted

Date received:

31/01/2011

Sample description:

Sandy Silty Clay, Mix of Crush + 2% Lime

Date tested:

01/02/2011

Test Data Type of test

:

Material retained on 20mm sieve %:

Recompacted

Soaked or unsoaked

:

Unsoaked

Moisture content (initial)

%:

Moisture content (top)

N/K

Type of rammer

:

2.5

18.7

No. of layers

:

3

%:

18.0

No. of blows/layer

:

62

Moisture content (base)

%:

18.0

Period of soaking

hrs:

N/A

Moisture content (mean)

%:

18.0

Amount of swell

mm:

N/A

3

2.12

Applied surcharge

kg:

4

3

1.79

Mg/m :

Bulk density

Mg/m :

Dry density

CBR Value (top) %

6.7

CBR Value (base) %

9.4

CBR Value (mean) %

N/A

CBR Load/Penetration Plot 3

2.5

Load kN

2

1.5

1

0.5

Top

Base

0 0

1

2

3

4

Penetration mm

5

6

7

8

Certified that the test was carried out in accordance with BS1377: Part 4:1990:Test 7 Prepared by Client

Remarks:

Signed

D. Ames (Field Section Manager) Page 1 of 1

04/02/2011 C60 R V1 06/08


PTS1119-A-03-A-09 Lab CBR