R52 Rustenburg-Koster Road Pictorial of the New Concept of building Road Base including TMH1 testing by Civil Lab
Condition of the road Crocodile cracks in the road
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
Marking the area 4 meter Two swath of 2 meter wide as set out with spray paint on the old asphalt road
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
RoadCem Application RoadCem a PowerCem Technology base product applied at a rate of 0.08% Mass to mass before recycling
Cement utilized CEM V A 32.5
Cement distribution Cement distribution by hand to accommodate semi labor intensive construction
Incorporating Cement Mixing the cement into the matrix with a recycler
Sample collection Collection of treated material for lab testing
First run of compaction
Leveling with motor grader
Curing Flooding for final curing to prevent rapid desiccation of the surface
Curing Curing Surface area
Release for Traffic Release for traffic at 20.00 Hr 4 hrs after final compaction and finish
Inspection Municipality Officials inspect the stabilized road base the next day
The Consultant
Report
Evaluation
Recommendation
TMH1 Testing Standard Testing by SANRAL ( South African National Road Agency)
DCP Testing on previous section The dynamic Cone Penetration test on 7 days old section. Point of refusal at 57 MM
DCP The consultant verifying the procedure
Plate Bearing Test The technicians of Civil lab conducting the Plate bearing using the water bowser as counter weight.
After Plate Bearing test Seven days old stabilized road section had 0.4 mm deflection. Note the absence of Plate impression mark
Collecting samples Technicians of Civil Lab collecting samples of the untreated soil for TMH1 test conform to the National Road Authority standard
Sanral Test protocol of the TMH1 SANRAL: South African National Road Agency
Report ITS Value after 24 hrs UCS after 24 Hrs
Plate Jacking & Sieve analysis Test UCS after 24 Hrs Sieve Analysis
Reports CBR Durability Test
Dynamic Cone Penetration Test Point of refusal at 57 MM