Design of bridges nptel

Nptel notes pdf civil engineering 105 courses in pdf. These can be used as general guidance in the design of footbridges, although of course the loading is significantly different. Design step 6 design of bearings prestressed concrete bridge design example task order dtfh6102t63032 62 elastomers are flexible under shear and uniaxial deformation, but they are very stiff against volume changes. Find materials for this course in the pages linked along the left. Nirjhar dhang born 1962 is currently professor of the department. Many significant aspects of bridge hydraulic design are discussed. Design of steel and composite beam bridges guidance on the design of composite highway bridges is given in publications by the steel construction institute p356, p357 and p393. Hello everybody so we have just completed design of slab bridges.

Integral abutments are the preferred abutment type and the department continues to strive to increase the number of structures eligible for integral design. Pdf rcc bridge and culvert design paul tom academia. I can just give an idea that how the practical design takes place irrespective of textbooks. Lectures on bridge engineering civil engineering community. Before going in to explanation remember that i cannot give a detailed explanation as there will be lot of cases that need to be considered while designing. Introduction to bridge engineering drexel university. Civil engineering to provide a passage over an obstacle like a water body, a valley, canal or a road structure is built across that obstacle to span a space and allow the easy movement of the concerned bodies over those obstacles, such a structure is named as bridge.

Integral abutment bridges eliminate the need for joints in bridge decks and thereby provide better protection for the superstructure and substructure from water and salt damage. Comparison between a conventional design process and b optimum design process. What is the procedure for design of abutment in bridge. Abutments and piers support bridge superstructures, whereas retaining walls function primarily as earth retaining structures but can serve a dual purpose as an abutment. This books covers the entire gamut of bridge engineering investigation, design, construction and maintenance of bridges. Apr 04, 2020 simply supported deep beam gl in buildings design and what is lintel 6 types of nptel advanced foundation ering3 2 bolted connections nptel indian insute of technology madras7 truss bridges nptel indian. Slab and girder bridges are used when the economical span limit of solid slab bridges is exceeded. An integral structure of length of 500 ft or less will not require seismic analysis, provided the end bent is detailed in accordance with the information provided in this chapter. Buildings bridges are exposed to the elements expansion and contraction due to temperature changes is a major concern durability is a major design consideration routine inspection and maintenance initial versus lifecycle cost. Design of slab bridges and rc t beam bridges will be carried out in a systematic manner. Design of road bridges indian institute of technology. Lecture notes structural engineering design civil and. Changing scenario in design and construction of bridges 14. Design step 6 design of bearings prestressed concrete bridge design example.

After reading this article you will learn about the design of slab and girder bridges. Earthquake damage to bridge structures can be attributed to the lack of seismic design and detailing of both old bridges and bridges under construction. Bearings are important elements in large infrastructures such as bridges, heavy buildings and high rise buildings, ensuring load transfer, movement, rotation, vertical or horizontal restraints as required by the design. Simply supported deep beam gl in buildings design and what is lintel 6 types of nptel advanced foundation ering3 2 bolted connections nptel indian insute of technology madras7 truss bridges nptel indian. The paper presented herein deals with the analysis and design of tbeam bridge super structure using limit state method of design irrespective of conventional working stress method of design. Jul 11, 2017 unsubscribe from reinforced concrete road bridges. Problem of design of deck slab bridge part 12 youtube. Hydraulic design and analysis principal documents regulation. Nptel nptel online certification course course on reinforced concrete road bridges by prof. Design of reinforced concrete bridges department of civil. Presents a simplified approach to the design of single span or continuous multiple span moderate length 300 ft 91 m integral concrete bridges. An integral structure of 500 ft or longer located in an area in a seismic design. The goal is to provide information such that bridges can be designed as safely as possible while optimizing costs and limiting impacts to property and the environment. The definition of the bridge design process, the various steps required, and the bureaucratic procedures involved are unnecessary to explain in this context.

Components of a bridge 1 substructure 3 adjoining structures 2 superstructure. Following is the course content for introduction to bridge engineering course intructor. Typically, wires or tendons are stretched and then blocked at the ends creating compressive stresses throughout the members entire crosssection. Use of the modified model for bridge tee and knee joints, design equations, a set of prescriptive design steps in a readily applicable form, and reinforced and prestressed concrete bridge joint. Download bridge engineering lecture notes download free online book chm pdf free engineering books contains links to various online engineering text books, online notes and reference materials on various engineering topics such as computer, electronics, electrical, mechanical, chemical, instrumentation and. Consequently, it is suggested to use a femodel of the bridge not only to calculate the stress and deformation of the footbridge but also to determine its. Today i will be sharing with you a very useful and very informative excel sheets programmed to design different portions and parts of bridges according to your requirement and your needs. Design step 6 design of bearings prestressed concrete. Dhang, department of civil engineering, iit kharagpur.

Bridge bearings play a very important role in keeping the bridge. For example, 60 years is considered as too long for landfills, while 10 years as too small. Nirjhar dhang department of civil engineering indian institute of technology kharagpur lecture 11. Design of bridges excel sheets free download iamcivilengineer. Hello everybody last class we completed with the general overview that reinforced concrete structures particularly. Steel bridges may be classified into various types according to. It is important to construct new bridges with highest standard of quality and to maintain them for smooth movement of railway traffic. In the aftermath of the 1995 hyogoken nanbu earthquake and the extensive damage it imparted to steel bridges in the kobe area, it is now generally recognized that steel bridges can be seismically. The bridges envisioned have embankment and pile supported shallow stubtype integral abutments.

The scope isnt managed segregation, however, examined in connection to essential ways to deal with the design of bridges. Good construction practices, sitespecific issues and guidelines for drafting and enforcing specifications will also be covered. Iit nptel civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. It finally gets down to the responsibility of each designer. In modern bridge design the use of finite element software is widely spread in all stages of design, even during the conceptual one. I did not binge eat or get worried i just let the food digest, had a good rest and was back to myself the next day. For many decades, the primary bridge design code in the united states has been the aashto standard specifications for highway bridges specifications, as supplemented by agency criteria as applicable. January 01, 2020 purpose this manual documents policy on bridge design in texas. Other than the new format of the guideline the following additional changes have been made to the 2004 integral. It is constructed for the purpose of providing passage over the obstacle, usually something that can be detrimental to cross otherwise. Today i have no problem, i even had an emotional time over the weekend where i did eat a little too much but it didnt affect me at all. Decision about design period, it is recommended that neither too long nor too small should be selected. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering.

Highway bridge design loads are established by the american association of state highway and transportation officials aashto. A bridge is a structure built to span a physical obstacle, such as a body of water, valley, or road, without closing the way underneath. Threespan continuous straight igirder bridge design example. This short course is aimed at associated with signature of sp for about the short term course. Design of slab bridges part iii hello everybody so we are continuing with the design of slab bridges and first one we have. These books are used by students of top universities, institutes and colleges. This section provides design guidance and construction requirements for. Indian railways are custodians of one of the largest bridge stock under one management with more than 1,15,000 bridges on the rail network. Design of abutment design of bridges mod 5 lec 1 duration. Consequently, it is suggested to use a femodel of the bridge not only to calculate the stress and deformation of the footbridge but also to determine its natural frequencies. Hds 5 hydraulic design of highway culverts 3rd edition april, 2012 hds 4 introduction to highway hydraulics june, 2008. Design of prestressed concrete igirder bridge superstructure.

I did not binge eat or get worried i just let the food digest, had a good rest and was back to myself the next day, just what normal people experience. The bridge design excel sheet includes 11 separate excel. For simply supported spans, this limit is generally found to be nearly 10 metres and for continuous or balanced cantilever type. The design loads should be considered properly for perfect design of bridge. Civilax is the knowledge base covering all disciplines in civil engineering. Advanced concrete design by prof devdas menon lecture 1 duration. Different design loads acting on bridges are explained below.

Bridges are one of the most important and expensive lifeline structures, but. Civil engineering civil engg lectures, books, notes. The bearing at the intermediate pier is fixed and is not subject to shear deformation due. Nptel notes pdf civil engineering 105 courses in pdf format useful for gate acoustics and daylighting in building nptel civil engineering notes pdf advanced foundation engineering nptel civil engineering notes pdf advanced geotechnical engineering nptel civil engineering notes pdf advanced hydraulics nptel civil engineering notes pdf advanced hydrology nptel civil engineering.

Aug 03, 2017 this feature is not available right now. Civil engineering video lectures from nptel, iit, mit. It assists texas bridge designers in applying provisions documented in the aashto lrfd bridge design specifications, to which designers should adhere unless directed otherwise by this document. Various types of loads are considered for design of bridge structures. Bridge approach fill settlement downdrag negative skin friction. Aside from the structural designs, the durability concrete mix design is also provided as part of the bridge design, which takes the environmental conditions into.

In general, they are used to hold back or support soil banks and water or to maintain difference in the elevation of the ground surface on each of wall sides. These loads and their combinations decides the safety of the bridge construction during its use under all circumstances. Evaluate existing test hole data not much before 1940. For multirotational bearings with a capacity greater than 2250 kn, 5mm shim plates are used in lieu of the normal 3 mm plates. For the substructure design of abutment piers the details required are. Pavement design use of cbr method for design of flexible pavement, irc recommendation for design of rigid pavement. Piers are designed to resist the vertical loads from the superstructure, as well as the horizontal superstructure loads not resisted by the abutments. Example 11 castinplace concrete cantilever retaining wall 3 2018 ev 3 ev 1 ev 2 ls v ls h eh dc dc 2 dc 4 dc 3 front face. Jul 03, 2014 design of bridges excel sheets free download category. This book covers the whole extent of bridge engineeringinvestigation, design, development and upkeep of bridges. The bridge design phase is probably the most fascinating and most difficult task for an experienced senior engineer, if this is an original design and not an industrialrepetitive work. This feature makes the design of a bearing that is stiff in. Lecture 24 prestressed concrete prestressed concrete refers to concrete that has applied stresses induced into the member.

Development of bridges 1 arch bridges 3simply supported bridges 2 suspension bridges 4truss and girder bridges. Design of t beam bridge using wsm2 linkedin slideshare. Design of bridges n krishna raju pdf editor, design of bridges n krishna rajulu, design of bridges n krishnamurthy, design of bridges nursing, design of bridges nursery, design of bridges norman, design of bridges nashville, design of bridges nashua, seismic design of bridges design example, design of bridges pdf, design of bridges for service life, design of concrete structures, design of. Nptel provides elearning through online web and video courses various streams. The deck may consist of 3 girders spaced at 2, 45 m. Lecture series on design of reinforced concrete structures by prof. This document provides technical information and guidance on the hydraulic analysis and design of bridges. Design for constructibility design for fatigue bracing system design splice design bearings substructure design deck design load rating corrosion protection of bridges design example. Indian standard code is followed and basically the design. Jan 26, 2011 today i have no problem, i even had an emotional time over the weekend where i did eat a little too much but it didnt affect me at all. The design of abutments, piers, and retaining walls shall be in accordance with aashto, this bdm, the. Shahzad rahman introductionary videos on bridge anchor.

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