MAINTENANCE OF EARTH ROADS
General Damages caused in Earth Roads:
1. Formati Formation on of Dust-D Dust-Dry ry We Weather ather 2. Formation Formation of LONGITU LONGITUDINAL DINAL RUTS in aon! aon! Whee Whee "aths or or #e #ehi$es hi$es %. Formation Formation of &ROSS RUTS RUTS aon! aon! the surfa$ surfa$ee 'ue to surfa$ surfa$ee (ater. (ater.
Remedies Remedies for Dust: Dust: 1. Freq Freque uent nt Spri Sprinkl nkling ing of of Water Water . Tr Treat eat!ent !ent "it# "it# $al$iu! $al$iu! $#lori% $#lori%e&R e&Retai etain' n' "ater "ater
&a$ium $hori'e is one of the most effe$ti)e 'ust $ontro an' 'ust su**ression a!ents How calcium calcium chloride chloride saves roads roads and money: money: •
I!pro(e% %u't $ontrol) &a$ium $hori'e retains moisture for *roon!e' *erio's. This uni+ue *ro*erty he*s to ho' 'o(n 'ust an' sta,iie un*a)e' roa' surfa$es $reatin! smooth-ri'in! roa's that ast.
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Re%u$e% routine !aintenan$e $o't') Sin$e $a$ium $hori'e treate' roa's nee' ess maintenan$e than roa's treate' (ith other materias you $an sa)e on a,or e+ui*ment an' fue $osts. /y ma0imiin! $om*a$tion $a$ium $hori'e aso *ro)i'es a on!er astin! roa'.
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Re%u$e% gra(el repla$e!ent $o't') U* to 3 of the $ost of a!!re!ate re*a$ement $an ,e sa)e' (hen $a$ium $hori'e is *ro*ery a**ie'.
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Re%u$e% $on'tru$tion $o't') /e$ause $a$ium $hori'e s*ee's $om*a$tion ess roin! is re+uire' re+uire' to a$hie)e a$hie)e !reater !reater 'ensity-(h 'ensity-(hi$h i$h transates transates into !reater !reater a,or sa)in!s. When use' (ith fu 'e*th re$amation $a$ium $hori'e $an he* re'u$e roa' re$onstru$tion $osts ,y as mu$h as 43.
Controlling dust for less :
&a$ium $hori'e is a $ost-effe$ti)e-an' hi!hy effe$ti)e-a!ent for 'ust $ontro. &a$ium $hori'e5 •
&an ,e re(or6e' (hen the roa' surfa$e is moist.
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re'u$es !ra'in! $osts ,y as mu$h as 43
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re'u$es re*a$ement $ost of !ra)e an' other materias ,y u* to 3
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re'u$es a,or $osts
Applying calcium chloride for dust control:
1. /a'e an' sha*e the surfa$e to ao( (ater to 'rain off *ro*ery. 2. A**y i+ui' $a$ium $hori'e usin! a tan6 tru$6 (ith a rear-mounte' 'istri,ution ,ar that s*rea's the i+ui' e)eny o)er the roa'. %. For *ro*er roa' maintenan$e a**y a se$on' time ater in summer.
Calcium chloride leaves other agents in the dust : •
Water $an7t resist e)a*oration i6e $a$ium $hori'e8 that7s (hy (ater $an ony ay 'ust instea' of $ontro it. On$e the (ater e)a*orates you (i ha)e to (ater the roa' a!ain. An' fre+uent roa' (aterin! a''s u* to !reater o*eratin! $osts.
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Oil is messy $ho6es roa'si'e foia!e an' $auses a $rusty *ot hoe' $rum,in! roa' surfa$e (hen it 'ries. Oi aso $osts at east three times as mu$h as $a$ium $hori'e.
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Oil e!ul'ion' are ess e0*ensi)e than oi aone ,ut as the (ater e)a*orates the *ro,ems of oi-messiness an' a $rum,in! surfa$e -remain.
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*igno'ulfonate+ a ,y-*ro'u$t of *a*er mis is ess e0*ensi)e than $a$ium $hori'e ,ut it asts a fra$tion of the time. Fre+uent rea**i$ation is ne$essary 'ue to (ash-out $ause' ,y rain-(hi$h transates into e0tra $osts an' rea**i$ation maintenan$e tri*s.
,. -'e of ot#er %u't palliati(e')
Dust *aiati)es are su,stan$es a**ie' to a roa' surfa$e to re'u$e air,orne 'ust. They may ,e a**ie' e)ery fe( hours on a ,usy $onstru$tion site or e)ery fe( years at a site (ith itte traffi$. There are many many 6in's of 'ust *aiati)es an' many $om*anies *ro'u$e them. It9s ,i! ,usiness ,e$ause :fu!iti)e 'ust; must ,e $ontroe' at many $onstru$tion an' in'ustria sites a$ross the nation. The ,asi$ $ate!ories of 'ust *aiati)es in$u'e (ater (ater a,sor,in! *ro'u$ts *etroeum ,ase' *ro'u$ts or!ani$ non*etroeum ,ase' *ro'u$ts ee$tro$hemi$a *ro'u$ts *oymer *ro'u$ts syntheti$ fui's enymes an' $ay a''iti)e *ro'u$ts.
<0am*es5 • • •
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Water Water Absorbing roducts: Ca$ium $hori'e ma!nesium $hori'e !rganic "onpetroleum roducts: Li!nosufonate ta oi emusions =oasses > su!ar ,eet *ro'u$ts #e!eta,e ois Electrochemical roducts #ynthetic olymer roducts : Soi-Sement Soita$ #ynthetic $luids:
