
2/7

Machine laying asphalt concrete, fed by a dump truck.

A 'aver /'aver 0i1is2er- as'2a+) 0i1is2er3 is a1 e14i1eeri14 ve2ic+e&se* )o +ay as'2a+)o1 roa*5ays. I) is

1or6a++y 0e* 7y a *&6' )r&c8. A se'ara)e 6ac2i1e- a ro++er- is )2e1 &se* )o 'ress )2e 2o) as'2a+) 6i9-

res&+)i14 a s6oo)2- eve1 s&r0ace. T2e s&77ase 7ei14 're'are* 7y &se o0 a 4ra*er)o )ri6 cr&s2e*s)o1e )o

'ro0i+e a0)er ro++i14.
http://en.wikipedia.org/wiki/Engineering_vehiclehttp://en.wikipedia.org/wiki/Asphalthttp://en.wikipedia.org/wiki/Dump_truckhttp://en.wikipedia.org/wiki/Road_rollerhttp://en.wikipedia.org/wiki/Graderhttp://en.wikipedia.org/wiki/Crushedhttp://en.wikipedia.org/wiki/Engineering_vehiclehttp://en.wikipedia.org/wiki/Asphalthttp://en.wikipedia.org/wiki/Dump_truckhttp://en.wikipedia.org/wiki/Road_rollerhttp://en.wikipedia.org/wiki/Graderhttp://en.wikipedia.org/wiki/Crushed


3/7

A Caterpillar D10N bulldozer euipped !ith ripper. "arge bulldozers euipped !ith a ripper ha#e one

shank$ small bulldozers !ith a ripper ha#e multiple shanks

A 7&++*o;er is a cra5+er/ca)er'i++ar )rac8e*)rac)or3- e


4/7

A crane !ith a pile dri#er

A 'i+e *river is a 6ec2a1ica+ *evice &se* )o *rive'i+esi1)o soi+ )o 'rovi*e 0o&1*a)io1s&''or) 0or 7&i+*i14s

or o)2er s)r&c)&res. T2e )er6 is a+so &se* i1 re0ere1ce )o 6e67ers o0 )2e co1s)r&c)io1 cre5 )2a) 5or8 5i)2

'i+e*rivi14 ri4s.

O1e )ra*i)io1a+ )y'e o0 'i+e *river i1c+&*es a 2eavy 5ei42) '+ace* 7e)5ee1 4&i*es so )2a) i) is a7+e )o 0ree+y

s+i*e &' a1* *o51 i1 a si14+e +i1e. I) is '+ace* &'o1 a 'i+e. T2e 5ei42) is raise*- 52ic2 6ay i1vo+ve )2e &se

o0 2y*ra&+ics- s)ea6- *iese+- or 6a1&a+ +a7o&r. >2e1 )2e 5ei42) reac2es i)s 2i42es) 'oi1) i) is )2e1 re+ease*

a1* s6as2es o1 )o )2e 'i+e i1 or*er )o *rive i) i1)o )2e 4ro&1*.
http://en.wikipedia.org/wiki/Pilehttp://en.wikipedia.org/wiki/Foundation_(architecture)http://en.wikipedia.org/wiki/Hydraulicshttp://en.wikipedia.org/wiki/Steam_powerhttp://en.wikipedia.org/wiki/Dieselhttp://en.wikipedia.org/wiki/Pilehttp://en.wikipedia.org/wiki/Foundation_(architecture)http://en.wikipedia.org/wiki/Hydraulicshttp://en.wikipedia.org/wiki/Steam_powerhttp://en.wikipedia.org/wiki/Diesel


5/7

typical scraper used in construction

I1 civi+ e14i1eeri14- a 52ee+ )rac)orscra'er is a 'iece o0 2eavy e


6/7

*rivi14 )2e 0ro1) 52ee+s- o1e *rivi14 )2e rear 52ee+s- 5i)2 e14i1es &' )o "!! 8>/! 2orse'o5er3.

Caterpillar 1%& grader.

A 4ra*er- a+so co66o1+y re0erre* )o as a roa* 4ra*er- a 7+a*e- a 6ai1)ai1er- or a 6o)or 4ra*er- is a1

e14i1eeri14 ve2ic+e5i)2 a +o14 7+a*e &se* )o crea)e a 0+a) s&r0ace. Ty'ica+ 6o*e+s 2ave )2ree a9+es- 5i)2 )2e

e14i1ea1* ca7si)&a)e* a7ove )2e rear a9+es a) o1e e1* o0 )2e ve2ic+e a1* a )2ir* a9+e a) )2e 0ro1) e1* o0 )2e

ve2ic+e- 5i)2 )2e7+a*ei1 7e)5ee1.

I1 civi+ e14i1eeri14- )2e 4ra*ers '&r'ose is )o =0i1is2 4ra*e= /re0i1e- se) 'recise+y3 )2e =ro&42 4ra*i14=

'er0or6e* 7y 2eavy e


7/7

as'2a+))o 7e '+ace* o1. Gra*ers are a+so &se* )o se) 1a)ive soi+0o&1*a)io1'a*s )o 0i1is2 4ra*e 'rior )o )2e

co1s)r&c)io1 o0 +ar4e 7&i+*i14s
http://en.wikipedia.org/wiki/Asphalthttp://en.wikipedia.org/wiki/Soilhttp://en.wikipedia.org/wiki/Foundation_(architecture)http://en.wikipedia.org/wiki/Asphalthttp://en.wikipedia.org/wiki/Soilhttp://en.wikipedia.org/wiki/Foundation_(architecture)

equipment used on construction sites.doc

Documents