The m span carbon fiber reinforced plastics cfrp stress ribbon bridge was built in the laboratory of the department of civil. Tim hayes and joe tse explain the challenges of design and construction on this signature bridge i n order to connect two sections of a 35kmlong railstotrails project. Pedestrian bridges highly stressed freely suspended prestressed tendons precast or cast in situ deck slab characterized by successive and complementary smooth curves catenary shape or funicular shape. Stress ribbon bridges is the term used to describe structures formed by a very slender concrete deck in the shape of a catenary. Download stress ribbon bridge seminar reports, abstract. The new bridge at lake hodges is the sixth ribbon bridge in north america, with three equal spans of 330 feet is the longest of this type. The design of stressribbon footbridges needs more iterations than the design of general structures. Stress ribbon bridges free download as powerpoint presentation. The paper is going to show a general overview of stress ribbon bridges and some of the possible combinations of this typology with other structural systems. Combined cable stayedstress ribbon bridges structurae. Stressribbon bridge is the term that has been coined to describe structures formed by directly walked prestressed concrete deck with the shape of a catenary 18,23,28.
The main aim of this project is to carryout analysis and design of stress ribbon bridge by using csi bridge software. At lake hodges, a 16 inch thick concrete deck was used to span 330 ft between supports for an amazing depth to span ratio of 1. Apr 15, 2015 stress ribbon bridge is a tension member similar to a simple suspension bridge in many ways. To minimize the iterations in this study, the regression equations of design variables, which can reasonably assume the. At the south end, there is a deep layer of alluvium, and bedrock is some 50 feet below the surface. Pai lin li travel award 2008 stress ribbon bridges the. The aim of this paper is to explain how the combination of cable stayed and stress ribbon typology works from the structural point of view. Sumit thakur civil stress ribbon bridge seminar and ppt with pdf report. Department of civil and environmental engineering virginia polytechnic and state university vctir project manager. However, the effects deflection, volume changes and other displacements due to temperature differentials can be quite significant. This paper presents detailed analysis of ribbon bridge structure by csi bridge software and used for development of transport vehicles in future generations. Stress ribbon bridges are an elegant form of construction found in various countries around the world. These slides present an introduction to stressribbon bridges, an innovative bridge. Pdf a new structural system that combines arches with the stressribbon is described in terms of the architectural and structural solution, static.
A stressed ribbon bridge is stress architecture same in many ways to a simple intermission bridge. Aug 24, 2017 this can be achieved by constructing stress ribbon bridges. They can be designed with one or more spans and are characterized by successive and complementary smooth curves. Most of the time, many forces are acting on the bridge. They use the theory of a catenary transmitting loads via tension in the deck to abutments which are anchored to the ground. The first design of 80m span, 5m wide stress ribbon pedestrian bridge is shown. Stress ribbon and cablesupported pedestrian bridges civil. Modern analogy of rope bridge stress ribbon bridge. Stressribbon pedestrian bridges supported or suspended on arches. Media in category stressed ribbon bridges the following 4 files are in this category, out of 4 total. Experimental and analytical investigation of deformations.
Mar, 2015 stress ribbon bridge seminar and ppt with pdf report. May 05, 2016 the most slender and flexible footbridges are stress ribbon bridges. Design of a prestressed concrete stress ribbon bridge. It is reported that the bridge structure is used only for pedestrians, not for heavy loads 1.
The first stress ribbon bridge was constructed in switzerland in the 1960s. A stressed ribbon bridge also known as stressribbon bridge or catenary bridge is a tension structure similar in many ways to a simple suspension bridge. Unlike the simple span, the ribbon is stressed in traction, which adds to the stiffness of the structure simple suspension spans tend to sway and bounce. In this paper the latest technologies, an extradosed bridge, a cable stayed bridge, a stressribbon bridge and truss bridges of the prestressed concrete and steelconcrete. Stress ribbon bridge seminar ppt with pdf report form of a stress ribbon bridge superstructure ground.
Stress ribbon bridges have many advantages and became recently more popular mostly because of their versatile form, slender decks giving a light aesthetic impression and durability assured by post. Efficient assumption of design variables for stress ribbon. Stress ribbon bridges stiffened by arches or cables tomas kulhavy technical university of brno, department of concrete and masonry structures udolni 53 61200 brno, czech republic summary at present research on the development of new stress ribbon pedestrian bridges is being carried out. Also explore the seminar topics paper on stress ribbon bridge with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. The bearing structure consists of slightly sagging tensioned cables, bedded in a concrete slab that is very thin compared with the span. May 27, 2014 stress ribbon bridge jiri strasky west golf cart bridge west golf cart bridge sacramento river trail pedestrian bridge rogue river pedestrian bridge mcloughlin boulevard pedestrian bridge lake hodges bridge 21. In a prestressed concrete stress ribbon bridge high strength steel cables are passed through a series of precast con crete components, the deck assembly. Stressribbon bridges stiffened by arches or cables tomas kulhavy technical university of brno, department of concrete and masonry structures udolni 53 61200 brno, czech republic summary at present research on the development of new stressribbon pedestrian bridges is being carried out. A typical stress ribbon bridge deck consists of precast concrete planks with bearing tendons to support them during construction and separate prestressing tendons which are tensioned to create the final designed geometric form. Stress ribbon bridge seminar report, ppt, pdf for civil. A stressed ribbon bridge also stressribbon bridge is a tension structure similar in many ways to a simple suspension bridge. For this reason, stress ribbon bridges have usually been provided with relatively complicated deviation. The basic and most commonly found form consists of a precast concrete deck with steel tendons. Stress ribbon bridge jiri strasky west golf cart bridge west golf cart bridge sacramento river trail pedestrian bridge rogue river pedestrian bridge mcloughlin boulevard pedestrian bridge lake hodges bridge 21.
Stress ribbon bridges are efficient, legible structures whose behaviour corresponds to a cable hanging freely between supports and stabilized by weight. There are four types of stress, which are described below. The characteristics of structural behavior of prestressed concrete stress ribbon bridge have been presented. However, as the dead load increases, so does bending stiffness, resulting inevitably in unwelcome bending stresses at the supports. Civil stressed ribbon bridge ppt bridge stress mechanics. The most slender and flexible footbridges are stress ribbon bridges. Dartmouthx the engineering of structures around us recommended for you. Download stress ribbon bridge seminar reports, ppt, pdf, stress ribbon bridge seminar topics, abstracts, full documentation, source code. The suspension cables are embedded in the deck which follows a catenary arc between supports. The japanese wife full movie 1080p download utorrent. Explore stress ribbon bridge with free download of seminar report and ppt in pdf and doc format. One kind of these elegant and simple bridges consists of two hanging steel ribbons, usually made of steel, which carry concrete deck panels and are anchored between two heavy abutments. Active vibration control of a light and flexible stress. Apr 18, 2015 this feature is not available right now.
Stress ribbon bridge full seminar report, abstract and. Few people including bridge engineers are familiar with this form and fewer than 50 have been built worldwide. This can be achieved by constructing stress ribbon bridges. Structural design guidelines for concrete bridge decks reinforced with corrosionresistant reinforcing bars abraham lama salomon graduate research assistant cristopher d. Primitive bridge builders attempted to span distances wider than the length of an existing tree trunk by throwing a line across a ravine and tying it on both sides to a large rock or tree. Pdf durability of stress ribbon bridge checked during. This is because, in addition to the cross section of deck, the cross sectional areas of bearing and posttensioning cables and the posttensioning force should be assumed. Stress ribbon bridge is the term used to describe structures formed by a very slender concrete. Precast stress ribbon pedestrian bridges in czechoslovakia.
The stress ribbon bridge is designed by manual process and analyzed by csi bridge software. The stress ribbon bridge combines a suspended concave span and a supported convex span. At the north end of the bridge, the horizontal force from the stress ribbon is resisted by a rock anchor abutment, which is standard for stress ribbon bridges. Stress ribbon bridge is the term that has been coined to describe structures formed by directly walked prestressed concrete deck with the shape of a catenary 18,23,28. Stress ribbon pedestrian bridges supported or suspended on arches. Stress ribbon and cablesupported pedestrian bridges provides a definitive practical guide to the skills, knowledge and understanding required by the practising engineer.
The classical stress ribbon deck is combined with arches. Stress ribbon bridges looks at how slender concrete deck are used in the design of suspension and cable stayed structures. A few archsupported stress ribbon bridges have been constructed in europe, but this will be. Stress ribbon bridges are very economical, aesthetic and almost maintenance free structure. A stressed ribbon bridge also stressribbon bridge or catenary bridge is a tension structure similar in many ways to a simple suspension bridge.
Structural design guidelines for concrete bridge decks. Four stresses on bridges a force is a push or a pull. Prestressed ribbon hanging in the catenary form, stretched between the massive blocks on both banks of the river onespan or several continuous spans. Stress ribbon bridges philosophers, thinkers, intellectuals all appeal, please build bridges and not walls between different communities, nationalities, countries, languages etc, to achieve. The study describes about the structural arrangement. Pdf stress ribbon and cablesupported pedestrian bridges. The stress ribbon bridge consists, in principle, of a number of highly stressed freely suspended prestressed tendons supporting the deck slab, which may either be precast or cast in situ. Windinduced vibrations of concrete stressribbon footbridges. The designs are done in one or more spans with an equivalent curve by taking the support of tendons. Stressribbon bridges consist of very slender concrete deck segments placed over bearing cables in the shape of a catenary. Stressribbon bridge is the term that has been coined to describe structures formed by directly walked prestressed concrete deck with the shape of a catenary 18. The first stress ribbon bridge for public use was built according to the design of professor walther across the n3 motorway near pfafikon, switzerland in 1965 see section 11. Classification of stress ribbon bridge there are 3 types of stress ribbon bridges, namely traditional stress ribbon bridge, stress ribbon bridge supported on an arch and stress ribbon bridge suspended on an arch. Stress ribbon bridge full seminar reports, pdf seminar abstract, ppt, presentation, project idea, latest technology details, ask latest information.
Apr 12, 2015 analyze and calculates loads of a suspension bridge and comparing to a cable stayed bridge duration. From that first success, stress ribbon bridges were built in many countries all over the world. A stress ribbon bridge is a tension structure, similar in many ways to a simple suspension bridge. Stressribbon pedestrian bridges are very economical, aesthetical and almost maintenancefree structures. The stress ribbon structure is one of the oldest bridge archetypes. Ribbon route a new hybrid stressribbon pedestrian bridge in north carolina is the longest span of its kind in north america, connecting two sections of a railstotrails project. Jul 02, 20 stress ribbon bridges is the term used to describe structures formed by a very slender concrete deck in the shape of a catenary. A deck often prestressed concrete slabs with a catenary shape forms the. The classical stressribbon deck is combined with arches. Stress ribbon bridges consist of very slender concrete deck segments placed over bearing cables in the shape of a catenary. Recently, nine precast stress ribbon pedestrian bridges were designed in czechoslovakia. Pedestrian bridge economical, aesthetic, and almost maintenance free design of this bridge is very rare around 50 bridges all over the worldcharacterized by successive and complementary smooth curves. Unlike the simple span the ribbon is stressed in compression, which adds to the stiffness of the structure simple suspension spans tend to sway and bounce.
Equilibrium and compatibility differential equations integrated for certain load condition have been studied and presented. Push on two opposite sides of a sponge, and the sponge. Comprehensive wind analysis of stress ribbon bridge. Nearly 50 stress ribbon bridges have been built worldwide in a span of 15 years. Analyze and calculates loads of a suspension bridge and comparing to a cable stayed bridge duration. So in developing countries like india stress ribbon bridge can be a solution to traffic reduction in. Stress ribbon and cablesupported pedestrian bridges. The analysis of stress ribbon bridges, aiming at attaining the required bridge superstructure geometry under dead weight action. A stressed ribbon bridge also known as stressribbon bridge or catenary bridge is primarily a structure under tension. Department of mechanics and bridges, silesian university of technology, gliwice 44100, poland abstract. A stressed ribbon bridge also stress ribbon bridge or catenary bridge is a tension structure similar in many ways to a simple suspension bridge. Bridge across the sacramento river, redding, california, usa completed in 1990 the bridge of one span, with a length of 127. Equilibrium and compatibility differential equations integrated for.
This concept was first introduced by german engineer ulrich finsterwalder. Understanding bridge stresses tom bickford director, maine robotics c maine robotics, 2008 this is an oversimplification. The stressribbon structural scheme can be considered as one of the most efficient for pedestrian bridges 3 45. The ribbons are anchored in the abutments on both sides.
Recently, nine precast stress ribbon pedestrian bridges were. This paper describes the development of an active vibration control system for a light and flexible stress ribbon footbridge. Pdf durability of stress ribbon bridge checked during loading. It is seen that stress ribbon bridge is used in european countries for people to walk which reduces the traffic intensity on crowded roads.
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