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road construction
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CONSTRUCTION OF
ROAD
PRESENTED BY:- MOHD DANISH (1100100056)
AT BHEL RANIPUR HARIDWAR
INTRODUCTION
Type of Road :: Private RoadProject :: BHEL Scheme Length :: 6.5 km
Location :: Ranipur ,Haridwar(U.K.) at HARIDWAR
What is Road ?
Roads are defined as routes or paths that begin at one destination and lead to another.
CARRIAGEWAY
PAVEMENT
KERB
SHOULDER
SIDEWALKS/FOOTPATH
ROADWAY CONSTRUCTION
CARRIAGEWAY
The part of a road used by vehicular traffic is called carriageway.
LAYERS OF CARRIAGEWAY
EARTH WORK
GRANULAR SUB BASE(GSB)
WET MIX MACADAM(WMM)
BITUMINOUS MACADAM(BM)
BITUMINOUS CONCRETE(BC)
TACK COAT
EARTH WORKSOIL FILLINGSPREADING &
LEVELINGCOMPACTION
SUBGRADE LAYERSPREADING & LEVELING
COMPATION OF SUBGRADE
I LAYER :200mm II ,III LAYER :150mm
GRANULAR SUB BASE
MATERIALLAYERSDEPTHCOMPACTION
Sub Base Layer
WET MIX MACADAMIt is a road base material consisting of crushed rock/slag usually premixed with controlled amount of water sufficient for adequate compaction.
BITUMINOUS MACADAM
> Bituminous macadam consists of aggregate and appropriate binder, mixed in a hot mix plant and laid with a mechanized paver. > It is an open graded mixture suitable for base course and is laid in a single course or in multiple layers on a previously prepared base.
FINISHING OF SURFACE(ROLLING)
AGGREGATE COARSE AGGREGATE
The coarse aggregate consists of crushed rock,crushed gravel or other gravel or other hardmaterial retained on 2.36mm sieve.
FINE AGGREGATE
Fine Aggregate consist of crushed or naturally occuring material or their combination passing 2.36 mm sieve and retained on 75 micron sieve.
BITUMINUS CONCRETEMATERIALMIXINGSPREADING
CAMBER
PERCENTAGE OF CAMBER- 2%PURPOSE OF CAMBER
A slight downward curve from the middle to the sides of a surface (such as a road)
KERB
KERB
A line of stone or concrete forming an edge between a pavement and a roadway, so that the pavement is some 15 cm above the level of the road.
SHOULDER
It is the side of the road. Sometimes it is paved. Sometimes it is gravel. Sometimes it is dirt or grass.
THANK YOU