1. R52 Rustenburg-Koster Road
Pictorial of the New Concept of building Road Base including TMH1 testing by Civil Lab

2. Condition of the road
Crocodile cracks in the road

3. New Concept of Building Road base
Conventional concept
New Concept of New Concept
Capping
Subbase
Road base
Wearing Course
1000 or 1150mm
Sub-grade
Wearing course
Road base
Subbase + Capping
Sub-grade
250mm

4. Marking the area
4 meter
Two swath of 2 meter wide as set out with spray paint on the old asphalt road

5. Modern Recycle equipment Train
All system ready to recycle Material in situ into a roadbase that can be released for traffic on the same day.
Mitigating traffic congestion.
Facilitating fast delivery of road which is unheard of before

6. RoadCem Application
RoadCem a PowerCem Technology base product applied at a rate of 0.08% Mass to mass before recycling

7. Cement utilized
CEM V A 32.5

8. Cement distribution
Cement distribution by hand to accommodate semi labor intensive construction

9. Incorporating Cement
Mixing the cement into the matrix with a recycler

10. Sample collection
Collection of treated material for lab testing

11. First run of compaction

12. Leveling with motor grader

13. Curing
Flooding for final curing to prevent rapid desiccation of the surface

14. Curing
Curing Surface area

15. Release for Traffic
Release for traffic at Hr 4 hrs after final compaction and finish

16. Inspection
Municipality Officials inspect the stabilized road base the next day

17. The Consultant

18. Report

19. Evaluation

20. Recommendation

21. TMH1 Testing
Standard Testing by SANRAL ( South African National Road Agency)

22. DCP Testing on previous section
The dynamic Cone Penetration test on 7 days old section. Point of refusal at 57 MM

23. DCP
The consultant verifying the procedure

24. Plate Bearing Test
The technicians of Civil lab conducting the Plate bearing using the water bowser as counter weight.

25. After Plate Bearing test
Seven days old stabilized road section had 0.4 mm deflection.
Note the absence of Plate impression mark

26. Collecting samples
Technicians of Civil Lab collecting samples of the untreated soil for TMH1 test conform to the National Road Authority standard

27. Sanral Test protocol of the TMH1
SANRAL: South African National Road Agency

28. Report
ITS Value after 24 hrs
UCS after 24 Hrs

29. Plate Jacking & Sieve analysis Test
UCS after 24 Hrs
Sieve Analysis

30. Reports
CBR
Durability Test

31. Dynamic Cone Penetration Test
Point of refusal at 57 MM