![M AT E R I A L S U S E D I N
C O N S T R U C T I O N
Reinforcement Cement Concrete (R.C.C.) ;
Plain Cement Concrete (P.C.C.) ;
Cement (OPC-53) ;
Reinforcement of different diameter [Ф8mm,
Ф10mm, Ф12mm, Ф16mm, Ф20mm, Ф25mm, Ф32mm];
Tendons (for Pre-stressing) ;
Aggregates – a) Coarse Aggregate ,
b) Fine Aggregate (Sand) ;
Water ;
Admixture / Retarders.](https://image.slidesharecdn.com/trainingreportpm-191126153537/85/Training-report-RCC-Bridge-13-320.jpg)
Training report - RCC Bridge
- 1. 18 days vocational training report on “ATRAYEE BRIDGE CONSTRUCTION” OVER RIVER ATRAYEE (29.06.2018 – 16.07.18) Agency – “Mackintosh Burn Ltd.” Submitted by – PRASUN MANI College : Narula Institute of Technology University Roll No. : 0515010067
- 3. ACKNOWLEDGEMENT For our future engineering experience improvement we take training under PW(Roads) Directorate. We take training at ongoing Atrayee Bridge Construction project over river Atrayee, Pagliganj, West Bengal. It is my pleasure to be indebted to various people, who directly or indirectly contributed in the development of this work and who influenced my thinking, behavior, and acts during the training. I express my sincere gratitude for providing me an opportunity to undergo training at ongoing Atrayee Bridge Construction project over river Atrayee, under PW(Roads) Directorate. Great appreciation goes to Junior Engg. who helps us from time to time during the project. We are thankful to Assistant Engg. , PW(Roads) Directorate, Balurghat N.H. sub-division and Executive Engg., PW(Roads) Directorate, N.H. Division No. – VII (Malda) for his support, co-operation, and motivation provided to me during the training for constant inspiration, presence and blessings. The supervision and support that he gave truly help the progression and smoothness of the Vocational Training program. The co- operation is much indeed appreciated. I also extend my sincere appreciation to my faculty members (Civil Engineering Department), who provided there valuable suggestions and precious time in accomplishing my project report. Besides, this training program makes me realized the value of working together as a team and as a new experience in working environment, which challenges us every minute. Lastly, I would like to thank the almighty and my family for their moral support and my friends with whom I shared my day-to-day experience and received lots of suggestions that improved my quality of work.
- 4. Details of the Training Project Report Name of the project – ATRAYEE BRIDGE CONSTRUCTION Project Description – Construction of a bridge over River Atrayee on Pagliganj – Khaspur route in the dist. Of Dakshin Dinajpur. Client – PW(Roads) directorate , NH Division No. - VII Name of the Company – Mackintosh Burn Ltd. Project Location – Pagliganj, Dakshin Dinajpur Project Type – Br idge C ons tr uction Training Period – 29.06.18 – 16.07.18 Submitted by – PRASUN MANI University Roll No. – 0515010067 Email ID – prasunmani63@gmail.com College Name – Narula Institute of Technology
- 5. CONTENTS Introduction Safety Auto Level Survey Planning of Bridge Materials Composition of Bridge Batching Plant Site Execution
- 6. INTRODUCTION The construction of the bridge over Atrayee river on Pagliganj – Khaspur route in the district of Dakshin Dinajpur, West Bengal. Agency for the project “Mackintosh Burn Ltd.” and the project is executed by PW(Roads) Directorate, National Highway Division No. – VII (Malda). The overall bridge length is 259.914 M. Date of commencement of the project – 25.02.2016 .
- 7. S A F E T Y The primary objective of our organization is to ensure effective control and elimination of accident in all job sites, and to maintain a conductive environment and infrastructural facilities at work places with due consideration for the state of being SAFE S = spot the hazard A = assess the risk F = find a safer way E = everyday So, safety is the state of being certain that adverse effect will not be caused by some agent under defined condition. “Any method or technique or process which can minimize unwanted events (accidents) in an industrial concern may be referred to as a method, technique or process of Industrial Safety.” Industrial safety is the science or art of identifying, evaluating and controlling work place hazards. It includes measure to prevent human exposures to chemical and physical agents as well as faulty or unsafe work practices. SAFETY EQUIPMENTS
- 8. Auto Level Survey A dumpy level, builder's auto level, leveling instrument, or automatic level is an optical instrument used to establish or verify points in the same horizontal plane. It is used in surveying and building with a vertical staff to measure height differences and to transfer, measure and set heights. Reduced Level in surveying refers to equating elevations of survey points with reference to a common assumed datum. It is a vertical distance between survey point and adopted datum plane. Thus it is considered as the base elevation which is used as reference to reckon heights or depths of other important places. For “Atrayee Bridge Construction” the temporary BM has fixed and further extended from the permanent BM, which is situated near Andolon Setu, Balurghat.
- 9. SURVEY DETAILS RL of Bridge Abutments and Piers – Sl. No. OBJECT OBJECT NO. REDUCE LEVEL (M) WELL CAP TOP CUTTING EDGE 1 ABUTMEN T A1 19.43 -4.57 A2 2 PIER P1 19.43 -4.57 P2 P3 P4 P5 P6 Total Length of Well 24 M
- 10. SURVEY DETAILS Existing Ground Level– Sl. No. OBJECT OBJECT NO. EXISTING GROUND LEVEL (M) 1 ABUTMEN T A1 23.75 A2 19.790 2 PIER P1 17.981 P2 18.132 P3 18.266 P4 19.009 P5 19.493 P6 20.451
- 11. PLANNING OF BRIDGE General A rrangement D raw ing
- 12. R E F E E N C E D R AW I N G S
- 13. M AT E R I A L S U S E D I N C O N S T R U C T I O N Reinforcement Cement Concrete (R.C.C.) ; Plain Cement Concrete (P.C.C.) ; Cement (OPC-53) ; Reinforcement of different diameter [Ф8mm, Ф10mm, Ф12mm, Ф16mm, Ф20mm, Ф25mm, Ф32mm]; Tendons (for Pre-stressing) ; Aggregates – a) Coarse Aggregate , b) Fine Aggregate (Sand) ; Water ; Admixture / Retarders.
- 14. DIFFERENT TYPES OF CONCRETE GRADE & APPLICATIONS TYPE OF CONCRETE GRADE OF CONCRETE APPLICATIONS P.C.C. M20 Top & bottom plugging R.C.C. M25 To construct Dirt Wall & Fin Wall M40 To construct Seismic Arrester, Girders & Deck Slab.
- 15. COMPOSITION OF BRIDGE Dirt Wall Fin Wall Abutments Pier Pier Cap Bearing Girder Deck Slab Hand Rails Footpath Crash Barrier Seismic Arrester – a) Longitudinal Seismic Arrester b) Transverse Seismic Arrester
- 16. The main application of the Dirt Wall is to retain or resist the earth which is situated at the ends (banks) of the bridge. DIRT WALL
- 17. The Fin walls are adjacent to the abutments and act as retaining walls. The Fin walls can either be attached to the abutment or be independent of it. The main application of Fin wall to retain the earth. FIN WALL
- 18. Abutment refers to the substructure at the ends of a bridge span or dam whereon the structure's superstructure rests or contacts. Multi- span bridges require piers to support ends of spans unsupported by abutments.ABUTMENT
- 19. A pier, in architecture, is an upright support for a structure or superstructure such as an bridge. PIERS
- 20. Definition of pier cap. The upper or bearing part of a bridge pier; usually made of concrete or hard stone; designed to distribute concentrated loads evenly over the area of the pier. PIER CAP
- 21. A bridge bearing is a component of a bridge which typically provides a resting surface between bridge piers and the girders. The purpose of a bearing is to allow controlled movement and thereby reduce the stresses involved due to vibrations. A common form of modern bridge bearing is the elastomeric bridge bearing BEARING
- 22. A girder bridge, in general, is a bridge that uses girders as the means of supporting the deck, as well as it helps to distribute the deck load evenly to the piers through pier caps. GIRDER
- 23. A deck slab is one where the deck and any supporting structure act together as a single beam. A slab deck is one where the deck is analyzed as a plate. DECK SLAB
- 24. A handrail is a rail that is designed to be grasped by the hand so as to provide stability or support to the pedestrian users. Also it provides safety to the walkers as well as the vehicles. It also provide the balance to the whole structure. HAND RAILS AND RAIL POSTS
- 25. A sidewalk or pavement , also known as a footpath or footway, is a path along the side of a road, generally used by walking people to cross the bridge by foot. Footpath Width =1.5MFOOTPATH
- 26. Crash barriers keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as bridge abutments or footpaths. CRASH BARRIER
- 27. A Longitudinal Seismic Arresters are used to reduce the seismic shocks longitudinally (along the length of the bridge). Longitudinal Seismic Arrester
- 28. A Transverse Seismic Arresters are used to reduce the seismic shocks transversely (along the width of the bridge). Transverse Seismic Arrester
- 29. BATCHING PLANT A concrete plant, also known as a batch plant or batching plant or a concrete batching plant, is equipment that combines various ingredients to form different grade concrete. Some of these inputs include water, air, admixtures, sand, aggregate and cement.
- 30. SITE EXECUTION Chain-age start at 0 Pagliganj Roadside (NH-512); end of chain-age at Khaspur 1430 M. Chain-age at bridge from 260 M to 550 M Rail Post Dimension = (265 x 265) MM Hand Rail Post thickness = 0.65 M Hand Rail Post width = 0.85 M C/C distance of Hand Rail Post = 1.8 M (Approx.) Carriageway Width = 7.5 M
- 31. CONCLUSION The main aim of studies within this project was to investigate how a bridge is constructed within its desired properties. We get knowledge about the basic & advanced techniques of bridge construction as well as saw the challenges which a civil engineer have to face during construction i.e. labour problems, cost management, environmental challenges etc. We cleared our many doubts regarding bridge construction.