Truss bridge final presentation
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This document provides an analysis of a truss bridge submitted by SK Abdul Kaium. It includes introductions to trusses and their structural assumptions. It describes different types of trusses like Pratt and Warren trusses. It discusses the motivation for using trusses, their common uses, structural members, loads, load combinations, and methods of analysis. The document analyzes the design of a specific truss structure using STAAD-Pro software and concludes that truss structures are useful, stable, economical, and meet client needs for bridges and other applications.
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Truss bridge final presentation
- 1. ANALYSIS OF TRUSS BRIDGE SUBMITTED BY SK ABDUL KAIUM Roll no : CEN124005 GROUP : A UNDER THE GUIDANCE OF Professor Jafar Sadek Ali Professor Raghib Adil and M.Tech student Wasim Molla & Sahin Ahmed
- 2. CONTENTS Introduction Assumption Different types of truss Motivation Uses of truss Structural member Loads and load combination Analysis of truss Conclusion Reference
- 3. INTRODUCTION A truss is composed of straight slender member pinned/hinged/rivetted/welded together to form a rigid structures.
- 4. ASSUMPTIONS Members are perfectly straight. Loads are applied at the joints. Joints are pinned and frictionless. Members are subjected to axial force only. Tensile Compressive
- 5. DIFFERENT TYPES OF TRUSS Pratt truss Howe truss Warren Truss
- 6. MOTIVATION Truss derive their strength from triangle. Rectangle and square are not very strong as compared to triangle. The shape of a triangle allows all of the weight applied to the side to be redistributed down and away from the centre . Truss are cost effective. It can be installed quickly.
- 7. USES OF TRUSS Truss bridge Railway platform Roof of factory shade Garage shed Transmission tower Crane truss Sport stadium truss
- 8. STRUCTURAL MEMBER Solid Bar Solid Rod Hollow Tube I-Section Angle Section TYPES OF CONNECTION Pinned connection Gusset plate connection
- 9. DESIGN Perfect / stable /sufficient Statically determinate (Perfect Truss) satisfies m=2j – 3 Analysis of the design truss structure is done by using staad-pro
- 10. LOADS ON TRUSS 1.Dead Load 2.Live Load 3.Wind Load 4.Weight of the roof 5.Reactions at the supports
- 11. DIFFERENT LOAD COMBINATIONS 1.5(DL+LL) 1.2(DL+LL)±0.6WL 1.2(DL+LL±WL) 1.5(DL±WL) 0.9DL±1.5WL Preffered load combination for our design 1.2 (DL +LL + WL)
- 12. METHOD OF ANALYSIS OF TRUSS 1.Method of joints 2.Method of section
- 13. CONCLUTION With increasing demand of bridge , truss structure has become fruitful both in stability consideration as well as economy point of view. Truss structure are considered to be one of the most useful structure used in our daily life . Overall truss bridge design meets the current needs of a client as well as any expansion plans without making major modification to the existing facilities
- 14. REFERENCES N.Subramanian, Design of steel structures, Oxford University press, New Delhi, India. N. Krishna Raju (1987), Reinforced concrete structures, 4th edition, Khans publishers, Delhi, India, pp 189-196. Ramachandran(2006), D.S.S, Rajinder kumar jain publications, tenth edition, pp238-267 IS:SP.6.1.1964 IS: 800 – 2007 (third version) General Construction in Steel — Code of Practice IS: 875 (Part 3) – 1987 (second version) Code of Practice for Design Loads (other than Earthquake) for buildings and structures. Part 3: wind loads
- 15. Thank You