Last edited by Samuzuru
Tuesday, April 28, 2020 | History

2 edition of punching resistance of prestressed concrete slab bridges found in the catalog.

punching resistance of prestressed concrete slab bridges

P. E. Regan

punching resistance of prestressed concrete slab bridges

interim report to the Department of Transport

by P. E. Regan

  • 269 Want to read
  • 9 Currently reading

Published by Engineering Structures Research Group, Polytechnic of Central London in London (35 Marylebone Rd., NW1 5LS) .
Written in English

    Subjects:
  • Bridges, Concrete.,
  • Concrete slabs.,
  • Prestressed concrete.,
  • Shear (Mechanics)

  • Edition Notes

    Statementby P.E. Regan.
    ContributionsEngineering Structures Research Group.
    Classifications
    LC ClassificationsTG335
    The Physical Object
    Pagination204leaves :
    Number of Pages204
    ID Numbers
    Open LibraryOL19355868M

      Reinforced Concrete SK 3/3 Section through slab showing stress due to moment. Find the following parameters for design moments in Step 2 per unit width Step 4 Note: Note: Design of slab for flexure m UNIT WIDTH of slab. bid = M + N @ - for N For design as wall (see Chapter 8). Md may also be taken. In prestressed concrete, a prestress force is applied to a concrete member and this induces an axial compression that counteracts all, or part of, the tensile stresses set up in the member by applied loading. In the field of bridge engineering, the introduction of prestressed concrete has aided the construction of long-span concrete Size: KB. Access the extensive examples and design aids in Design for Fire Resistance of Precast, Prestressed Concrete, 2nd Edition. Price: $ Product Code: Year: Binding: Paperback. Publisher: PCI. The 2nd edition of Design for Fire Resistance of Precast, Prestressed Concrete presents data on properties of materials at high Format: Paperback.   Ultra-high-performance concrete (UHPC) is rapidly emerging as a premier material for precast concrete construction. First introduced as “reactive powder concrete” in the early s, this.

    Prestressed concrete is that concrete in which internal stresses are so induced by the application of some special technique that the stresses so developed are of opposite nature to those produced by the external loads such as dead and live loads which the member is to carry and for which the member is to be designed.


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punching resistance of prestressed concrete slab bridges by P. E. Regan Download PDF EPUB FB2

Punching Shear Behavior of Externally Prestressed Concrete Slabs H. Mostafaei1; F. Vecchio2; P. Gauvreau3; and M. Semelawy4 Abstract: The use of externally post-tensioned fiber-reinforced concrete decks in highway bridge structures is seen as a viable option in the move toward the design and construction of high-performance Size: KB.

(2) (3) (b) Fig. The Kinnunen-Nylander model. Punching shear resistance of prestressed concrete slabs Failure of the concrete below the crack, and with it punching of the slab, is assumed to occur when the tangential strain at the bottom surface at r = x + B/2 reaches the limit e^: e(l+y).Cited by: 2.

Regan, P. E.: Punching Shear in Prestressed Concrete Slab Bridges, Engineering Structures Research group, Polytechnic of Central London, London, Poinçonnement de dalles minces en béton à. PRESTRESSED CONCRETE DECKS In previous research (Amir ; Amir et al.

), the punching capacity of slab-between-girder bridges was studied experimentally in the laboratory on a half-scale. L’approche présentée dans cet article permet de considérer l’interaction entre effort tranchant punching resistance of prestressed concrete slab bridges book flexion en utilisant un modèle physique (et non pas une résistance conventionnelle dans une section de contrôle) où la résistance de l’effort tranchant est fonction des déformations au voisinage de la colonne.

Le modèle de calcul pour déterminer la résistance au poinçonnement Author: Aurelio Muttoni, Olivier Burdet, Stefano Guandalini. Title: Experiments on Punching Shear Behavior of Prestressed Concrete Bridge Decks Author(s): Sana Amir, Cor van der Veen, Joost C. Walraven, and Ane de Boer Publication: Structural Journal Volume: Issue: 3 Appears on pages(s): Keywords: compressive membrane action; deck slab; prestressing; punching shear Date: 5/1/ Abstract: In the Netherlands, most of the.

An experimental program is described in which the punching shear behavior of externally prestressed slabs is investigated, both with plain and fiber-reinforced concrete specimens. Results indicate that significant improvements in strength, ductility, energy absorption and nonbrittleness of failure can be achieved with fiber reinforcement.

Prestressed Concrete Girder Design for Bridge Structure punching resistance of prestressed concrete slab bridges book. post tensioned simply supported prestressed concrete (PC) I-girder bridges are widely used bridge system for short to medium span (20m to 50m) highway bridges due to its moderate self Slab.

Punching shear of concrete slabs, which are subject to in-plane compression, is a design issue primarily for posttensioned flat slabs and for bridge decks. With flat slabs, the compression results from the prestress, while with bridge decks, it arises from the deck’s action as a compression flange or a local compressive membrane action.

α = angle between the shear reinforcement and the plane of slab fywd,ef = effective design strength of the punching shear reinforcement, = + d ≤ fywd (MPa.) d = mean effective depth of the slabs (mm) V v v u d Ed Ed Rd,max 0 β Max. shear stress at column face, = ≤ = νfcd Punching Shear Reinforcement Cl.

Equ   Prestressed Concrete Shell and Folded Plate Structures. Prestressed Concrete Trusses. Shear and Torsional Resistance of Prestressed Concrete Members. Transfer of Prestress in Pretensioned Members. Anchorage Zone Stresses in PostTensioned Members Composite Construction of Prestressed and in situ 4/5(11).

then covered with in-situ concrete to form the ribs and the floor slab. As well as the prestressed wire reinforcement the Filigree slabs have steel mesh embedded in the lower part to further increase the element strength.

To ensure adequate fire resistance the. Repairs were required to a corroded post-tensioned prestressed-concrete continuous-girder bridge that had punching resistance of prestressed concrete slab bridges book in service for punching resistance of prestressed concrete slab bridges book 35 years in the Chuo Expressway in Japan.

The work included reinforcing the bridge girders with external cables and partially replacing the bridge deck slab at intermediate : NagataniToshihiko, TajiriTakeharu.

Prestressed concrete decks are commonly used for bridges with spans between 25m and m and provide economic, durable and aesthetic punching resistance of prestressed concrete slab bridges book in most situations where bridges are needed. Concrete remains the most common material for bridge construction around the world, and prestressed concrete is frequently the material of choice.

prestressed concrete could be used with confidence. Currently many bridges and skyscrapers are designed as prestressed structures. This manual intends to provide a general overview about the design procedure of a two way post tensioned slab and a girder.

To provide a complete idea, the stress computation, the reinforcementFile Size: 1MB. The calculation method of punching shear bearing capacity of unbounded prestressed concrete slab is presented for the reason that traditional methods mainly depend on experiences.

The concrete material is assumed as ideal rigid-plastic material. The Quasi-Coulomb Criterion is taken as the strength criterion of concrete, according to plastic limit theory, and the calculation equation of Author: Zhi Liu Zhou, Feng Wang, Kang Zhao, Tao Liu, Ya Nan Zhang.

Prestressed concrete decks are commonly used for bridges with spans between 25m and m and provide economic, durable and aesthetic solutions in most situations where bridges are needed.

Concrete remains the most common material for bridge construction around the world, and prestressed concrete is frequently the material of choice. Extensively illustrated throughout, this invaluable book /5(4). Comprehensive Design Example for Prestressed Concrete (PSC) Girder Superstructure Bridge Design Step 4 Deck Slab Design Design Step In addition to designing the deck for dead and live loads at the strength limit state, the AASHTO-LRFD specifications require checking the deck for vehicular collision with the railing system at the extreme event limit state.

In this thesis analysis and design of prestressed concrete bridges (Deck Slab, T-Girder and Box Girder) are carried out using IRC The unified concrete code (IRC) published by the Indian Road Congress in November combining the code for reinforced concrete and prestressed concrete structures represents aFile Size: KB.

Among several types of bridges, prestressed concrete bridges are being widely used all over the world due to their superior overall performance. More than 60% of bridges among over bridges in the Australian road network are prestressed concrete bridges.

The performance of these prestressed structures is governed by theFile Size: 7MB. Dependency of punching shear resistance and membrane action on boundary conditions of reinforced concrete continuous slabs Belletti B., Ravasini S., Vecchi F., Muttoni A.

6th International Symposium on Life-Cycle Civil Engineering (IALCCE), Ghent, Belgium,pp. Prestressed Concrete Bridges book. Read reviews from world’s largest community for readers.

This book was written to make the material presented in my bo /5(5). The shear resistance of the critical section without shear reinforcement is given by: (3) v c = ( / γ c) k ( ρ f ck) 1 / 3 + σ cp ⩾ v min where f ck is the characteristic concrete strength in MPa; ρ is the flexural reinforcement ratio given by ρ = (ρ z ρ y) ⩽ ; and Cited by: Bridges are important structures in modern highway and railway transportation systems, and generally serving as “lifelines” in the social infrastructure systems.

Bridge engineering is a field of engineering (particularly a significant branch of structural engineering) dealing with the surveying, plan, design, analysis, construction. However, a problem concerning the punching resistance of prestressed concrete slabs still exists, with many codes of standards reflecting different results.

An examination carried out to determine the results pertaining to Eurocode 2 and ACI code of standards show both codes producing considerably comparable results. Punching Capacity of a Reinforced Concrete Bridge Deck Slab Loaded to Failure Niklas Bagge Ph.D. student Luleå University of The road bridge was a 55 year old prestressed concrete girder bridge.

2 design punching resistance considering the concrete partial safety factor and the in-situ concrete. The book also provides information on design of determinate structures and indeterminate structures (beams and frames) inclusive of cable profiling.

It discusses special structures like pipes, water tanks, etc. and the behavior of composite structures such as precast prestressed concrete beams cast- in-situ R.C.

slab, along with its design Format: Hardcover. The paper presents experiments involving punching of RC slabs strengthened using externally bonded carbon fiber reinforced po-lymer (CFRP) sheet and textile reinforced mortar (TRM).

Twelve RC slab specimens of two concrete grades ( and MPa) and employing two strengthening schemes (CFRP and TRM) were tested. PRESTRESSED CONCRETE BOX-BEAMS • Side-by-side prestressed concrete box-beam bridges have gained popularity due to rapid construction and cost saving abilities.

A bridge inspection must pay attention to many indicators of distress within the beam because only the underside of the box-beams may be Size: 1MB. compression in the slab reduces the cracking of the concrete slab, rendering the slab more impervious to moisture penetration and thus, chlorides.

The entire superstructure is in a state of pre-compression. The need for competitive cost alternatives to shorter span prestressed girder bridges.

Title: Fire Resistance of Prestressed Concrete Beams Author(s): L.A. Ashton and S. Bate Publication: Journal Proceedings Volume: 57 Issue: 5 Appears on pages(s): Keywords: none Date: 5/1/ Abstract: Presents the results of an investigation of the fire resistance of prestressed concrete beams with post-tensioned cables, which was carried out by the Joint Fire Research.

concrete bridges. By the late s, spliced-girder spans reached a record m ( ft). Construction of segmental concrete bridges began in the United States in Currently, close to segmental concrete bridges have been built or are under construction, with spans up to m ( ft).File Size: 40KB.

A work in English, the logical choice for this task, had been contemplated as Stahlbetonbrucken was still in its earliest stages of preparation. The early success of Stahlbetonbrucken provided significant impetus for the writing of Prestressed Concrete Bridges, which.

Concrete-filled steel pipe Timber Prestressed concrete Nominal geotechnical resistances Soil categories Resistance factors Cohesive soil setup. Piles. Prior to the Bridges and Structures Bureau used the charts in the Blue Book [BDM ] forFile Size: KB. Focussing mainly on the structural concept of bridges, Mondorf covers the design criteria of an array of bridges, including slab-and-girder, frame, arch, suspension, single and multispan bridges, as well as the maintenance and : Hardcover.

to cracking in post-tensioned concrete box girder bridges and have been en-countered in both Europe and the United States. These problems are not limited to those of prestressed box girder bridges, but may occur in other types of struc-tures with similar conditions and de-tails.

Problems are generally attributed to poor quality control. Advantages of Prestressed Concrete: The development of prestressed concrete has opened new vistas in the construction of highway bridges.

Prestressed concrete bridges have many advantages over the reinforced concrete ones and therefore, majority of long span concrete highway bridges are now-a-days being constructed of prestressed concrete. Practical Design to Eurocode 2 The webinar will start at EC2 Background, Materials, Fire Resistance of Concrete Structures • BS EN Reinforced and Prestressed Concrete Bridges • BS EN Liquid Retaining Structures Eurocode 2: Design of Concrete Size: 1MB.

prestressed concrete segmental bridges book PDF may not make exciting reading, but prestressed concrete segmental bridges book is packed with valuable instructions, information and warnings. We also have many ebooks and user guide is also related with prestressed concrete segmental bridges.

StructurePoint, formerly the PCA Engineering Software Group, offers concrete design software programs updated to ACI for concrete buildings, concrete structures and concrete tanks. Reinforced concrete structural software includes programs for column design (pcaColumn), beam design (pcaBeam), slab design (pcaSlab), wall design (pcaWall), mat design (pcaMats), foundation design, tank.

Prestressed Concrete Box-Beam Bridges Pdf BEHAVIOR of a PRESTRESSED CONCRETE BOX-BEAM BRIDGE,HAZLETON BRIDGE by Anton Wo Wegmuller Gerardo C. Cordoba David A. VanHorn This work was s,ponsored by the Pennsylvania Depar'tment of Transportation; U 0 S. Department of Tranf?portation, Federal Highway Administration; and the Reinforced Concrete.concrete f′ci = Compressive strength of concrete at the time of download pdf prestress fcir = Net compressive stress in concrete at centroid of prestressed reinforcement at time of initial prestress fcds = Stress in concrete at centroid of prestressed reinforcement due to superimposed dead load fd = Stress at extreme tension fiber due to.accurately estimate the punching resistance ebook slab-column con-nections and at the same time explains the phenomenon with all its variables.

Thus, the design of flat slabs to the punching is normally done using recommendations presented by codes of practice for design of concrete structures, which are essentially empirical.