dust control on unsurfaced roadways - · pdf fileabate dust; control dust; controlled dust ......

DUST CONTROL ON DUST CONTROL ON UNSURFACED ROADWAYSUNSURFACED ROADWAYS

John F. RushingJohn F. RushingERDC ERDC

SPONSORED BYSPONSORED BYU.S. MARINE CORPS SYSTEMS COMMANDU.S. MARINE CORPS SYSTEMS COMMAND

[email protected]

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PROJECT DESCRIPTION AND APPROACHPROJECT DESCRIPTION AND APPROACH

�� Develop Laboratory Index Tests:Develop Laboratory Index Tests:-- Simulate Environmental ConditionsSimulate Environmental Conditions-- Sun Lamps for Curing in Desert Sun Lamps for Curing in Desert -- Air Impingement TestAir Impingement Test-- Measure Weight Loss Due to Erosion of SampleMeasure Weight Loss Due to Erosion of Sample-- Qualitative Evaluation of Sample StabilityQualitative Evaluation of Sample Stability

�� Laboratory Evaluation of CommercialLaboratory Evaluation of Commercial--OffOff--TheThe--Shelf (COTS) Dust Palliatives:Shelf (COTS) Dust Palliatives:-- Products: Polymer Emulsions, Products: Polymer Emulsions, LignosulfonatesLignosulfonates, Synthetic Oils, and , Synthetic Oils, and Polyacrylamides Polyacrylamides -- Compare Index Performance of Dust Palliatives Under Simulated CoCompare Index Performance of Dust Palliatives Under Simulated Conditionsnditions-- Use Laboratory Index Test to Differentiate Potential of ProductUse Laboratory Index Test to Differentiate Potential of Productss

�� Develop Sustainment Palliative Distribution System:Develop Sustainment Palliative Distribution System:-- Evaluate Commercial Technologies for Applying Dust Palliatives fEvaluate Commercial Technologies for Applying Dust Palliatives for Large Areasor Large Areas-- Develop Process for Efficient Product Distribution and SustaineDevelop Process for Efficient Product Distribution and Sustained Effectivenessd Effectiveness

�� Evaluate Field Performance of COTS Dust PalliativesEvaluate Field Performance of COTS Dust Palliatives-- Construct Test Sections Using Chosen Distribution MethodConstruct Test Sections Using Chosen Distribution Method-- Compare Results of Mobile and Stationary Dust Collection SystemCompare Results of Mobile and Stationary Dust Collection Systemss-- Identify Most Effective Products to Meet Military NeedsIdentify Most Effective Products to Meet Military Needs

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FIELD DEMONSTRATION TEST PLANFIELD DEMONSTRATION TEST PLAN

Douglas, AZ, March Douglas, AZ, March -- 20042004

Item 1Item 1 Item 2Item 2 Item 3Item 3 Item 8Item 8

20’

100’

CONSTRUCTION PROCESSES PLANCONSTRUCTION PROCESSES PLAN

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Dust Abatement Layout

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500’

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500’ 500’500’ 500’500’500’ 500’500’ 500’100’ 100’ 210’ 100’875’ 100’100’ 100’

UntreatedUntreatedControlControl

Topical w/Topical w/PrewetPrewet

Topical Topical w/ow/o

PrewetPrewet

WindrowWindrowSpraySprayGradeGrade


CompactCompact

SpraySprayWindrowWindrow

GradeGradeCompactCompact

SpraySprayTillTill


TillTillSpraySprayGradeGrade

TillTillCompactCompact

TillTillSpraySprayTillTill

CompactCompactSpraySpray

SpraySprayTillTill



100’

PALLIATIVE EVALUATION PLANPALLIATIVE EVALUATION PLAN

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500’ 500’500’ 500’500’500’ 500’500’ 500’100’ 100’ 308’ 622’265’ 140’100’ 100’

Blue Blue GooGoo12 lb/900 gal12 lb/900 gal

0.8 0.8 gsygsy

20’


300’

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500’ 500’

20’

Envirotac Envirotac IIII3:13:1

0.80.8 gsygsy

PolytacPolytac3:13:1

0.8 0.8 gsygsy

DustexDustex3:13:1

0.8 0.8 gsygsy

NRLNRL3:13:1

0.8 0.8 gsygsy

Dust Dust FyghterFyghter0.75:10.75:10.8 0.8 gsygsy

Road Road OylOyl3:13:1

0.8 0.8 gsygsy

HydrostikHydrostik20 lb/900gal20 lb/900gal

0.8 0.8 gsygsy

Soil Soil SementSement3:13:1

0.8 0.8 gsygsy3:13:1

0.8 0.8 gsygsy

EKEK--3535“Neat”“Neat”0.8 0.8 gsygsy

EnvirokleenEnvirokleen“Neat”“Neat”0.8 0.8 gsygsy

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UntreatedUntreatedControlControlwaterwater0.8 0.8 gsygsyT

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1170’

386’ 100’

CSSCSS--111:11:1

0.3 0.3 gsygsy

500’


20’

100’

CONSTRUCTION PROCESSES PLANCONSTRUCTION PROCESSES PLAN

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Dust Abatement Layout

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500’ 500’500’ 500’500’500’ 500’500’ 500’100’ 100’ 210’ 100’875’ 100’100’ 100’

UntreatedUntreatedControlControl

Topical w/Topical w/PrewetPrewet

Topical Topical w/ow/o

PrewetPrewet



CompactCompact

SpraySprayWindrowWindrow


SpraySprayTillTill


TillTillSpraySprayGradeGrade

TillTillCompactCompact

TillTillSpraySprayTillTill


SpraySprayTillTill



100’

PALLIATIVE EVALUATION PLANPALLIATIVE EVALUATION PLAN

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500’ 500’500’ 500’500’500’ 500’500’ 500’100’ 100’ 308’ 622’265’ 140’100’ 100’

Blue Blue GooGoo12 lb/900 gal12 lb/900 gal

0.8 0.8 gsygsy

20’


300’

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ion

500’ 500’

20’

Envirotac Envirotac IIII3:13:1

0.80.8 gsygsy

PolytacPolytac3:13:1

0.8 0.8 gsygsy

DustexDustex3:13:1

0.8 0.8 gsygsy

NRLNRL3:13:1

0.8 0.8 gsygsy

Dust Dust FyghterFyghter0.75:10.75:10.8 0.8 gsygsy

Road Road OylOyl3:13:1

0.8 0.8 gsygsy

HydrostikHydrostik20 lb/900gal20 lb/900gal

0.8 0.8 gsygsy

Soil Soil SementSement3:13:1

0.8 0.8 gsygsy3:13:1

0.8 0.8 gsygsy

EKEK--3535“Neat”“Neat”0.8 0.8 gsygsy

EnvirokleenEnvirokleen“Neat”“Neat”0.8 0.8 gsygsy

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UntreatedUntreatedControlControlwaterwater0.8 0.8 gsygsyT

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386’ 100’

CSSCSS--111:11:1

0.3 0.3 gsygsy

500’

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TerraTac

GENERAL ROAD CONDITIONGENERAL ROAD CONDITION

Condition during reconCondition during reconin February 2004in February 2004

Silty Silty Gravel SurfaceGravel Surface

Condition during ConstructionCondition during ConstructionMarch 2004March 2004

All sections were freshly graded prior to construction and produAll sections were freshly graded prior to construction and product applicationct application

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SITE LAYOUTSITE LAYOUT

••500 ft x 20 ft test sections500 ft x 20 ft test sections

••Marked with traffic delineatorsMarked with traffic delineators

••Untreated transition areasUntreated transition areasseparating sectionsseparating sections

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EVALUATION OF CONSTRUCTION PROCEDURESEVALUATION OF CONSTRUCTION PROCEDURESSection Palliative Manpower Time (min)

1 Water 4 602 Envirotac II 4 1803 Envirotac II 4 1054 Envirotac II 4 425 Envirotac II 5 486 Envirotac II 5 487 Envirotac II 6 788 Envirotac II 6 1369 Envirotac II 5 125

10 Envirotac II 5 464 to 6 42 to 180

MethodSpray/CompactPrewet/Spray/CompactSpray/CompactWindrow/Spray/GradeWindrow/Spray/Grade/CompactSpray/Windrow/Grade/Compact

Range of Values:

Spray/Till/Grade/CompactTill/Spray/Grade/Till/CompactTill/Spray/Till/Compact/SpraySpray/Till/Compact/Spray

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TOPICAL APPLICATIONSTOPICAL APPLICATIONS

••Surface peelingSurface peeling

••High concentration ofHigh concentration ofproduct on surfaceproduct on surface

••Product runoffProduct runoff

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WINDROWING WITH MOTOR GRADERWINDROWING WITH MOTOR GRADER

••Product does not penetrate core ofProduct does not penetrate core ofwindrowwindrow

••Difficult to achieve uniformDifficult to achieve uniformdistributiondistribution

••Final road surface easily disturbedFinal road surface easily disturbed

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TILLING WITH ROTARY MIXERTILLING WITH ROTARY MIXER

••More even product dispersionMore even product dispersion

••Unnecessary to till before spraying surfaceUnnecessary to till before spraying surface

••Grading can expose untreated areasGrading can expose untreated areas

••Excess surface moisture can lead to peelingExcess surface moisture can lead to peelingduring compactionduring compaction

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RECOMMENDED CONSTRUCTION PROCESSRECOMMENDED CONSTRUCTION PROCESS

••Spray half of product onto surfaceSpray half of product onto surface

••Immediately till to a depth of 3 in.Immediately till to a depth of 3 in.with a rotary mixerwith a rotary mixer

••Follow with compactorFollow with compactor

••Spray remaining productSpray remaining product

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DUST PALLIATIVESDUST PALLIATIVES

11 Bob Lisle 12 lb/900 gal 0.8 gsy12 John Imm 20 lb/900gal 0.8 gsy13 Dr. James Wynne 3:1 0.8 gsy14 Todd Hawkins 0.75:1 0.8 gsy15 Bob Randolph 3:1 0.8 gsy16 Lou Snow 3:1 0.8 gsy17 Lou Snow 3:1 0.8 gsy18 John Vermillon 3:1 0.8 gsy19 David Neubauer 3:1 0.8 gsy20 Todd Hawkins 3:1 0.8 gsy21 Todd Hawkins Neat 0.8 gsy22 Todd Hawkins Neat 0.8 gsy23

Easy LawnFinnNRL

Midwest Industrial SupplySoil Stabilization Products Company, Inc.

Dust Pro, Inc.Dust Pro, Inc.

Enviromental Products & Applications GeoCHEM, Inc.

Midwest Industrial SupplyMidwest Industrial SupplyMidwest Industrial Supply

Western Emulsions 1:1 0.3 gsy24

Blue Goo Hydrostik

NRLDust Fyghter

Road Oyl Dustex Polytac

Envirotac II TerraTac

Soil Sement EK-35

Envirokleen CSS-1 Water - 0.8 gsy

ProductSection Dilution Ratio

Application Rate

CompanyContact

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http://www.geocheminc.com/

https://www.geocheminc.com/index.php?main_page=index&cPath=195_55_612

MIDWEST RESEARCH INSTITUTE DATA COLLECTIONMIDWEST RESEARCH INSTITUTE DATA COLLECTION

••State of the art dust collectionState of the art dust collectionsystemsystem

••Remote controlledRemote controlled

••25 mph travel speed25 mph travel speed

••Universal mounting systemUniversal mounting system

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MRI DUST COLLECTION RESULTSMRI DUST COLLECTION RESULTS

0

5

10

15

20

25

30

35

Blue G

ooHyd

rosti

kCalc

ium Chlorid

eRoad

Oyl

Dustex

Polytac

Enviro

tac II

TerraT

acSoil

Semen

tEK-35

Enviro

kleen

CSS-1Wate

r

Dus

t Col

lect

ed (m

g/10

00 ft

)

Baseline Day 30 Day 60 Day 90

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ERDC DATA COLLECTIONERDC DATA COLLECTION

••Stationary dust collectors positioned on theStationary dust collectors positioned on thedownwind side of test sectiondownwind side of test section

••Ten passes with test vehicle traveling at 30Ten passes with test vehicle traveling at 30mphmph

••InIn--situ situ soil property measurementssoil property measurements

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0

0.1

0.2

0.3

0.4

0.5

0.6

Blue Goo

Hydrosti

kCalc

ium Chloride

Road Oyl

DustexPolyt

acEnviro

tac IITerr

aTac

Soil Semen

tEK-35

EnvirokleenCSS-1Water

Dus

t Col

lect

ed (g

ram

s)


ERDC DUST COLLECTION RESULTS ERDC DUST COLLECTION RESULTS

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Control

TerraTacEnvirotac II

Envirokleen

RELATIVE PRODUCT EFFECTIVENESSRELATIVE PRODUCT EFFECTIVENESS

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02468

10

Blue Goo

Hydrostik

Calcium Chlor

ideRoad

OylDustexPolyt

acEnvir

otac I

ITerr

aTac

Soil Sem

entEK-35

Envirok

leenCSS-1Water

Visu

al R

atin

g


ERDC VISUAL RATINGERDC VISUAL RATING

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http;//www.geocheminc.com

DUST PALLIATIVE EFFECTIVENESS RATINGDUST PALLIATIVE EFFECTIVENESS RATING

9 10 10 10 985 8 9 9 795 8 8 9 774 7 9 9 742 8 7 9 680 6 3 7 431 5 4 6 421 4 5 5 392 4 4 4 361 5 3 4 350 4 0 4 220 2 6 0 210 3 0 0 9

Envirotac II TerraTac

Calcium Chloride

Envirokleen DustexCSS-1

Soil Sement EK-35Polytac

Blue GooRoad Oyl Hydrostik Control 0 2 0 0 6

ERDC Dust Reduction (25%)

MRI Dust Reduction (25%) TotalProduct Surface

Ravelling (20%)Visual Dust

Rating (30%)

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��Adequate mixing could not be achieved using motorAdequate mixing could not be achieved using motorgrader.grader.

��Compaction was necessary for optimum performance butCompaction was necessary for optimum performance butcaused problems with wet surfaces.caused problems with wet surfaces.

��Rotary tiller provided means to incorporate product toRotary tiller provided means to incorporate product todesired depth.desired depth.

��Final surface application after compaction providedFinal surface application after compaction providedsealed wearing surface.sealed wearing surface.

CONCLUSIONSCONCLUSIONS

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CONCLUSIONSCONCLUSIONS

��Water soluble polymers are limited to low concentrationsWater soluble polymers are limited to low concentrationsdue to large viscosity increase.due to large viscosity increase.

��Starch/sugar and chloride salt based products performedStarch/sugar and chloride salt based products performedwell during dry periods. well during dry periods.

��LignosulfonateLignosulfonate products provided little soil cohesion andproducts provided little soil cohesion andwere not as effective as other products for dust abatement.were not as effective as other products for dust abatement.

��Oil based products provided little soil cohesion butOil based products provided little soil cohesion butperformed well in preventing dust.performed well in preventing dust.

��Polymer emulsions show increased strength of surface andPolymer emulsions show increased strength of surface andexhibited excellent to good dust abatement.exhibited excellent to good dust abatement.

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QUESTIONS?QUESTIONS?

TPD0600002

dust control on unsurfaced roadways - · pdf fileabate dust; control dust; controlled dust ......

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