earthzyme 2013; smart
DESCRIPTION
Prested at the SMART Mining Meeting at Syncude Research Centre; Edmonton Canada.TRANSCRIPT
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• Non-toxic clay-based-soil stabilizer
• 100% Biodegradable
• 1 litre of EarthZyme treats 33 m3
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EarthZyme is a non-toxic soil stabilizer used on
clay-based soils that results in a reduction in road
maintenance costs due to increased and lasting
compaction and strength values.
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Application Rate: EarthZyme
Road Length = 1000 m (1 km) Road Width = 40 m Depth = 0.50 m (50 cm) Volume Soil = 20,000 m3 (compacted) Amount of EarthZyme (EarthZyme is applied on average 1 liter / 33 m3 of compacted soil) = 20,000 m3 divided by 33 m3 = 629 liters of EarthZyme *An optional slurry application of EarthZyme may be recommended, see step 7
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Application Rate: (Optimal Moisture)
Say the current moisture content is 7 %,
The optimum moisture content is 11 % and the soil has a density of 2.2 tons/m3
Required moisture to be added: = (11 % - 7 %) x 2.2 x 20,000 m3 (compacted
soil)
= 1,760,000 liters of water
At 2% below OMC
= 800,000 liters of water
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Before EarthZyme After EarthZyme
EarthZyme is 100% biodegradable and works on the clay-based fraction of the soil.
After EarthZyme’s application, the clay particles in the soil are no longer attracted
to water, allowing for any water present in the soil to drain away freely resulting
in the clay/soil particles settling closer together and producing lasting soil stabilization.
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EarthZyme reacts permanently with clay in the soil to produce long-term stabilization.
Other products glue the clay particles together.
Once the glue is gone... so are the results of the stabilization process.
Because EarthZyme uses the
clay as the natural binder, which
remains in the soil indefinitely, it
produces the long term effects
that are desired.
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Action Savings with EarthZyme
Material transported 95 %
Use of machinery 59 %
Material 27 %
Labour 33 %
Total Project Savings 47 %
Short Term Economic Benefits
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* Project in Ecuador
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Rolling Resistance (%) Production (%) Fuel Cost (%)
Clay Shale; 7.0 - 42 100
Clay Shale + EarthZyme; 2.7 - 7 10
Savings (%) 35 90
Long Term Economic Benefits
Rolling Resistance
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Rolling Resistance (%) Production (%) Fuel Cost (%)
Clay Shale; 7.0 - 42 100
Clay Shale + EarthZyme; 2.7 - 7 10
Savings (%) 35 90
Long Term Economic Benefits
Rolling Resistance
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Rolling Resistance (%) Production (%) Fuel Cost (%)
Clay Shale; 7.0 - 42 100
Clay Shale + EarthZyme; 2.7 - 7 10
Savings (%) 35 90
Long Term Economic Benefits
Rolling Resistance
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Tests Needed:
A) Dry Density/Moisture Content Relation Proctor Test ASTM_D698
B) Liquid Limit, Plastic Limit and Plastic Index Test (Atterberg Limits) ASTM D4318-10
C) Particle Size Analysis ASTM D422
D) Hydrometer Analysis ASTM D1140 18
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Project Type Location CBR No EZ CBR With EZ Increase in CBR (Avg. % Change)
Primary Unpaved
Road
Puerto Plata
Dominican Republic 43 196 353%
Primary Unpaved
Road Peru 12 37 208%
Secondary Unpaved
Road
Huiyang District
China 37 135 265%
Haul Road
Pallancata Silver
Mine, Peru 55 102 85%
Municipal Road Ghana 69 296 328%
Highway Cajamarca Peru 14 41 192%
Paved Parking Lot
Guangdong Province
China 64 286 347%
Municipal Paved
Road
Metropolitan
District of Quito
Ecuador 61 92 51%
Soil Strength Increases - EarthZyme
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0
50
100
150
200
250
300
PrimaryUnpaved
Road
PrimaryUnpaved
Road
SecondaryUnpaved
RoadHaul Road
MunicipalRoad
HighwayPaved
Parking LotMunicipal
Paved Road
CBR No EZ 43 12 37 55 69 14 64 61
CBR With EZ 196 37 135 102 296 41 286 92
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Project Type Location EarthZyme* Untreated*
Swell (%
Reduction)
Municipal Paved Road
Caupicho Quito
Ecuador 0.3 0.81 63%
Secondary Unpaved Road
Hainan Province
China 0.08 0.26 69%
Primary Unpaved Road
Hainan Province
China 0.06 0.28 79%
Municipal Paved Road
Metropolitan District
of Quito Ecuador 0.01 0.32 97%
Highway Cajamarca Peru 0.88 1.8 51%
*(percentage; vertical deflection divided by initial thickness/height of compacted soil)
Durability - EarthZyme
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00.20.40.60.8
1
1.21.41.61.8
Municipal PavedRoad
Secondary UnpavedRoad
Primary UnpavedRoad
Municipal PavedRoad
Highway
EarthZyme* 0.3 0.08 0.06 0.01 0.88
Untreated* 0.81 0.26 0.28 0.32 1.8
Durability - EarthZyme
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Once applied, EarthZyme will reduce the tendency for a road to exhibit common maintenance issues like:
wash-boarding, rutting, heaving, potholing and dust.
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Xilinhot, China
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Columbia
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Mongolia
…Several Months Later 29
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Required Equipment:
• Pulverizing Mixer/Reclaimer,
• Haul Truck • Steel Drum Roller/Vibrator
• Grader
• Water Truck
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CYPHER ENVIRONMENTAL LTD. 2nd Floor, 1149 St. Matthews Ave. Winnipeg, Manitoba, Canada R3G 0J8 Tel: (204) 489-1214 Fax: (204) 489-7372 email: [email protected] w w w. c y p h e r e n v i r o n m e n t a l . c o m
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