Highway construction

CONSTRUCTION OF APPROACH ROAD OF

RAIL-CUM-ROAD BRIDGE

PRESENTED BY:-

KUNAL KUMAR

AT DIGHA GHAT ,PATNA

INTRODUCTION

Type of Road :: Public RoadProject Name :: Approach Road of Rail-Cum-Road

Bridge Length :: 18 kmLocation :: DIGHA GHAT ,PATNA

Project DetailProject Name:- Approach Road of NH -98 and NH -19 Client:- National Highways Authority of India Type :- Public (Central &Bihar Government )Notice / Contract no : - ept:5949374 Opening date of tender : - 08/25/2011Document fee : - 50000 /-Tender value :- 2621300000 /-ECC contractor:- MBL Infrastructures Ltd. MEP consultants:- Design BureauLength: - 18 km.Date of project start:- Oct 2013Date of Project finish:- Oct 2015  

Site-1 DetailCountry :- India

State :- Bihar Location:- Digha Ghat, Patna  Coordinates : - 25 * 40’ 7” N; 85* 6’ 31” E Elevation :- 53 meter  Average PPT :- 101.93 cm Average Rainfall :- 121.3302 cm Avg. Rainfall in (Rainy days):- 141.986 cm

Site-2 DetailCountry :- India

State :- Bihar Location:- Pahaleja Ghat, Chhapra Coordinates : - 25 * 41’ 49” N; 85* 10’ 20” E Elevation :- 56 meter  Average PPT :- 103.93 cm Average Rainfall :- 117.39 cm Avg. Rainfall in (Rainy days):- 137.41 cm  

Project Map NH-19 5km+703m pahaleja Ghat chhapara

Digha Ghat Patna 12km+343m

NH-98

What is Road ?

Roads are defined as routes or paths that begin at one destination and lead to another.

Cross-Section of Road

CARRIAGEWAY

PAVEMENT

KERB

SHOULDER

SIDEWALKS/FOOTPATH

ROADWAY CONSTRUCTION

CARRIAGEWAYThe 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 FILLING Total volume of soil filling=367421 cubic meter

SPREADING & LEVELINGCOMPACTION

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. > Grade of Bitumen is S-65

FINISHING OF SURFACE(ROLLING)

BITUMINUS CONCRETEMATERIALMIXINGSPREADING

Pavement

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.Width of Shoulder = 2m

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