SITE VISIT REPORT

Name : Bridge Visit

Location : SANGAVI PHATA, AUNDH RAVET ROAD, PCMC, PUNE

Date of Visit: 09/09/2016

Purpose of Visit: To Study about bridge and its component .

Guide Name:-

Prof. Vilas Ingale . ( Site Engineer)

Mr. Dayanant ( Supervisor )

(Map of proposed bridge)

PROPOSED FLYOVER &

GRADE SEPERATOR

Proposed Subway

On Friday 09/09/2016 we the Student of BE CIVIL visited to SANGAVI

PHATA, AUNDH RAVET ROAD, PCMC, PUNE for BRIDGE SITE VISIT . Our

visit started at 12pm with our Prof. Sanjay.Karodpati & Prof. Amol wagh and

lasted for three hours. In this three hours we learn different component of bridge

and importance of Sangavi Phata Bridge .

(Under shuttering bridge , by naresh)

(recently casted component , by naresh)

Introduction

The bridge project at sangavi phata construct under client name as PCMC .

Type of contract is C-1 type Lump Sum contract given to T & T Infra.Pvt.Ltd with

total project cost Rs. 51.47 cr for completion period of 30 months . S.N.BHOBE

& ASSOCIATES PVT. LTD are consultants for these project . These project

started on 5/3/2014 . Project Feasilibility acceptance granted by IIT Pawai.

These project includes :-

1. Flyover : from Sangvi to ravet

2. Vehicular underpass : From rajiv Gandhi bridge to sangvi.

One separate arm for hospital .

3. Subway : from Sangvi to parihar cowk .

4. Pedestrain underpasses : In front of CQAE gate.

In front of aundh hospital.

(Route maps of bridge)

We have a chance to meet famous personality of city,

Joint City Engineer “RAJAN PATIL ”

( Prof.Sanjay.karodpati and prof.Amol.Wagh with city joint engineer )

According to Joint engineer , these project very important because it is

a most flexible solution to many different problem faced by locality and

content some advance infra such as BRTS , Subway ,etc.

About Bridge (Site facts) :-

(safety aspect & beam support , by naresh)

These bridge is design for 80 kmph but allowance speed is 40 kmph . It is one-

way two-lane with width of 8.7 m (with of road is 7.5m + Widening on both side

of 0.6m). As per IRC gradient of 1 in 25 is limited and 1 in 30 is most preferable

but for these bridge gradient provided is 1 in 28 . Water spot are provided with

runner pipes as a drainage arrangement for bridge . It also conisist of anti –crash

barrier with height of 1200 mm and constructed as per IRC .

(Prof.Sanjay.karodpati , Prof.Amol.Wagh and BE students with Site Supervisior , by Girdhari)

Defination :

Bridge is a structure which covers a gap generally bridges carry a road,

walkways, pipelines or railway across a natural or artificial obstacle such as,

a river, water body (part of sea, canal) or another railway or another road

/junction, structure. Nowadays bridges are constructed to decongest traffic

Component of bridge :

1. Foundation

Foundation constructed on dry land are called as land foundation .

according to geological condition of soil type of foundation used was

pile foundation .

2. Sub-structure

a) Bearing:

The device which are provided over the support of the bridge

to accommodate the change in main girder .

Function of bearing is to absorb movements of girder , angular

movement , longitudinal expansion or contraction , etc

Types :

a. Cement concrete pad

b. Expansion bearing

c. Knuckle bearing

d. Rocker and rolling bearing

e. Rubber bearing

f. Sliding bearing

g. Tar paper bearing

The Cement concrete bearing was used for construction . The

load carrying capacity of bearing is 2700 tonnes .

(Piers views , Pawan Patil & Aditya)

b) Approaches : The length of communication route affected by

the layout and design of the bridge , at both of its end are

known as approach .

3. Super-structure

a) Piers

The intermediate support of a bridge superstructureare known

as Piers . Function of piers is to divide the total length of bridge

into suitable spans with minimum obstruction to the stream.

Types :-

a. Column bents

b. Cylindrical piers

c. Dumb-bell piers

d. Pile bent

e. Solid piers

f. Trestle bents.

The piers of bridge are single casted with some flower like

grooves are made for aesthetic purpose . The bridge is desigen

such maximum height of piers is 5.5m suitated in center and

height decrease toward both end .

and Trestle bents are used .

Dirt wall – These are used to take end wall load . These are made from

individual connected panels plus in shape .

(After visit , by Amit)

CONCLUSION :

We learn about various factor affect planning , designing , and execution of bridge work .

Prof. Amol.wagh Prof. A.R.Kolhe

SUBJECT TEACHER HOD