PRIOR TO ANY CONSTRUCTION:- WE REQUIRE.

(1)       A full soil analysis.  (Atterberg Limits as below)

(2)       Particle size distribution analysis.

(3)       Linear shrinkage.

(4)       Liquid limit.

(5)       Plastic index.

(6)       Colour of soil.

(7)       Optimum moisture content.

(8)       Soil classification.

Basic requirements are soils with a Plastic Index with a minimum 8 and 20% passing the 75 micron sieve.

Plus

ROAD DESIGN CLASSIFICATION.

(1)       Gravel Road.

(2)       Secondary Road.

(3)       Highway.

(4)       Intended wear coat,  i.e. bitumen or cement.

(5)       Expected traffic volumes with percentage break downs for normal and heavy  traffic.

MINIMUM PLANT  REQUIREMENTS

(1)       One water truck with Spray bar  ( Minimum 3000 Litres)

(2)       Grader, Rotary Hoe or Stabilisation Machine.

(3)       Steel Drum Roller ( minimum 11.5 Tonnes Static)

(4)       Multi-tyre rubber roller ( minimum 11.5 tonnes)

All plant must be in perfect working order and on site for the duration of the work.

Scroll down for plant illustrations

1. UNSEALED ROADS AND SHOULDER TREATMENT
 Endurazyme Export when used on unsealed roads creates a stronger, dense pavement, utilising higher clay contents and Plastic Index than would normally be suitable. Trials over the past seventeen years show, that by incorporating Endurazyme Export during the water binding process, unsealed road maintenance has significantly been reduced, less dusting occurs and gravels may last two years longer before re-sheeting. These overall improvements save money and improve safety on unsealed roads. Many users have received favourable reports from their ratepayers.

2. SUB-GRADE
The effects of Endurazyme Export are greatest on natural clay insitu material that fit into the working envelope shown in our manual. When applied to natural sub-grades, increases in CBR of 30% to 60% have been achieved. Increases of 4% to 5% density for the same compactive efforts and reductions in both Optimum Moisture Content and Plastic index can occur. These improvements in soil strength can lead to a significant reduction of imported base gravels and costly transport.

3. BASE COURSE
Where base-course material is not of high quality and has too high a PI (clay content), Endurazyme Export may be used to increase the soils physical characteristics to a suitable seal standard. Significant savings have been achieved by improving base materials.

4. LIME AND CEMENT STABILISATION
When used with lime or cement Endurazyme Export improves the effects of these additives sufficiently to reduce their quantities by 50%. The effects of lime and cement with Endurazyme Export  mean the application rate may also be reduced by 50%. (see cement and lime)

BENEFITS OF THIS COMBINATION ARE:

  • Cost reduction in additives and gravels.

  • Increases in CBR

  • Endurazyme Export  keeps density high.

  • Endurazyme Export  assists workability. In some cases the rotary hoes are not required.

  • Contains sugars which retard Endurazyme Export /cement setting time, allowing compaction to meet density specifications and increased working time.


APPLICATION
Rate of application is worked on the volume of soil to be treated. The volume of water required to reach optimum moisture content is not a part of this formula.
Standard formula for Endurazyme Export  quantity is as follows: One litre of Endurazyme Export will treat 35.5m3 of compacted soil.

FORMULA
Length of pavement x width of pavement x depth of treatment - divide by application Rate = litres of Endurazyme Export  required.

L x W x D = Quantity
eg. 1000m (3300 ft) x 7m (23 ft) x 0.100m (0.33 ft) divided by 35.5 (4725) App Rate = 20 litres (5.3 gallons).

Minimum Required Equipment

 

 

 
Grader with rippers Water Truck
stabilisation
Steel Drum Rubber Tyred Roller

 

Optional Recommended Equipment

 

Pavement Pulveriser Sheepsfoot

 

TO APPLY
We need first to have pavement ripped to desired depth of treatment. We then want to get additive into soil as early as possible. Product is applied with the water truck. If you would normally need an estimated four passes of the water truck to bring material up to optimum then we would put additive in the first two passes for the day. From then on use water only. The trick is to get even distribution of additive over the area to be treated.
The next stage is mixing. This can be done as simply as blade mixing or rotary hoe or other similar type machinery. It is suggested that you fill the water truck before adding Endurazyme Export. This will prevent frothing due to surfactant component of the mix.
It is also necessary to watch optimum moisture content carefully to prevent from going over wet. The additive will improve wetability, workability and penetration thus enabling us to reach optimum earlier. Endurazyme Export has been designed so as to fit in with normal existing construction procedures. The product has 7 day setting time so it is possible to put product in the soil a day before putting the pavement down without fear of it setting or going off.
 

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