VSL post tensioning systems are certified according to European Technical Approval which can be used in all EU EFTA countries A post tensioning tendon consists of strands duct and anchorages Tendons of the multistrand VSL system may be made up of as much as 55 seven wire strands of 15 7 mm 0 6 S in diameter with a guaranteed ultimate strength of 1860 MPa
Post tensioning in bridges VSL post tensioning systems have already been used worldwide from 1956 Through long term development and experiences the VSL post tensioning systems have attained technical perfection and acquired an excellent reputation owing to their quality and reliability VSL post tensioning systems are protected by patents
VSL bar systems are ideal for the economic application of post tensioning forces on relatively short tendons Through the use of threaded connections and anchorages they are simple to use and lend themselves to many applications
Post Tensioning Systems L VSL Strand Properties 1 2 3 Tendon Properties MULTISTRAND SYSTEM 13 mm 0 5 quot VSL 15 mm 0 6 quot Strand type Nominal diameter Nominal area Nominal mass Yield strength
VSL 3 Interstate 895 Richmond VA Clink er Silo Union Bridge MD Erie Zone 3 Tank Erie CO About VSL As the r ecognized leader in post tensioning and r elated engineering VS L s constr uction systems have been used thr oughout the world since 1 956 As
Post Tensioning Specialist VSL Slab On Grade VSoL 174 VSL Retained Earth Infrastructure Protection and Repair Transport Buildings Industrial Government Mining Water Energy Infrastructure Protection Solutions Environment Corporate Social Responsibility
structures using VSL post tensioning systems The current VSL post tensioning systems are the result of more than 50 years of experience and continuous research and development The information published in this brochure is subject to changes without ˛ ˚ ˘
Bridge post tensioning Our engineers specialize in the configuration of post tensioning systems for new and existing bridges We offer a complete product range of bonded unbonded and external strand wire and bar post tensioning systems and stay cable technologies
post tensioning system components structural design and detailing aspects and tendon installation and replacement procedures 17 Key Words Post tensioning bridge design box girder replaceable deviator diablo double enveloped
VSL Post Tensioning is used invirtually every area of concreteconstruction While usedprimarily in bridges andbuildings the system is alsoemployed for the construction ofconcrete containment structures anchoring in rock and soil structural strengthening andrepair lifting and sliding of heavyloads and many otherapplications
post tensioning kits for prestressing of structures ETA is subject to continuous monitoring by an official body Freyssinet is also the holder of the European Technical Approval ETA n ETA 09 0169 for the Freyssibar post tensioning kit for prestressing of
In post tensioning the tension is applied to the tendons after hardening of the concrete The stages of post tensioning are described next 1 4 2 Stages of Post tensioning In post tensioning systems the ducts for the tendons or strands are placed along with the reinforcement before the casting of concrete
VSL is a specialist in the construction and repairs of post tensioned amp cable stayed structures foundations amp ground engineering We make any project possible VSL We turn the most complex projects into reality WHO WE ARE Click here Turning the most complex projects
Post Tensioning Joint free post tensioned slabs on grade Incremental launching method Free cantilever method Segmental bridges Stay cable system Heavy lifting VSoL retained earth Ground anchors Bar systems Other technologies Download VSL News
2015 10 12 nbsp 0183 32 1 2 Past Experience with Post Tensioning Tendons 4 1 3 Bonded versus Unbonded Tendons 6 1 4 Plastic Ducts for Bonded Post Tensioning Tendons 8 1 5 Intent of the Report 9 2 The VSL Grouting Package 9 2 1 General Systems and3
VSL post tensioning technology includes several systems that are specifically designed for different applications and requirements The choice of a suitable system can be made by considering three key criteria Type of structural element – the depth of the structural element influences the type of system to be used
State of the art post tensioning The BBR 174 Network offers a complete range of post tensioning systems covering all possible applications in structural and civil engineering Developed in Switzerland the European approved and CE marked BBR VT CONA 174 CMX PT range – the PT system for the 21 st century – is used worldwide by the BBR Network
VSL Post Tensioning Systems VSL Enginee red Precast VSL LNG Solutions VSL Ground Anchors VSL Retained Earth VSL Heavy Lifting VSL Slab on Grade VSL Intrafor Ground Engineering Solutions VSL Stay Cable VSL Infrastructure Protection Contact Us
VSL Thread Bar Systems Technical Catalogue VSL VSoL Technical Catalogue VSL CTT POT Bearings Technical Catalogue VSL CTT Elastomeric Bearings Technical Catalogue VSL Damping Systems for Stay Cables Technical Catalogue VSL Stay Cable Systems Technical Catalogue VSL Strand Post tensioning Systems Technical Catalogue
The design force for post tensioning anchorage zones shall be taken as 1 2 times the maximum jacking force LRFD 5 5 4 2 Resistance Factors Φfor compression in anchorage zones Normal weight lightweight concrete 0 80 Resistance Factor Φfor tension in Φ
STRAND PROPERTIES Strand properties The strand used for post tensioning tendons are comprised of 7 wires low relaxation steel The most common diameters used in Australia are 0 5 12 7mm and 0 6 15 2mm The following table gives the main
VSL POST TENSIONING SYSTEMS VSL SAS Thread Bar d Nominal Diameter Qantas Departure Hall Project in Sydney using CT Bars Qatar Sports City Y1050 dia 75 mm bars Thread bar configurations System SAS Thread Bars 18mm 75mm 56mm
VSL Academy World s first post tensioning training centre To ensure the high level of know how in all countries a unique academy has been launched to train VSL Staff knowledge and expertise The aim of the new training centre is to harmonise the technical
STRUCTURAL TECHNOLOGIES is the exclusive manufacturer of VSL post tensioning products and construction systems in the United States VSL systems have a well earned reputation for their quality reliability and durability – and have been used throughout the world since 1956 to build repair and strengthen buildings tanks transportation and
2013 11 1 nbsp 0183 32 Figure 1 4 1 Post tensioning Reference VSL International Ltd Among the following figures the first photograph shows the placement of ducts in a box girder of a simply supported bridge The second photograph shows the end of the box girder after the post
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THE FREYSSINET PRESTRESSED CONCRETE COMPANY LTD Page 2 TYPE OF PRESTRESSING SYSTEMS Prestressing System can be classified by two basic methods as under a Pre Tensioning b Post Tensioning Pre Tensioning is a method where Prestressing Steels are pre stressed prior to
Post tensioning system Post Tensioning solutions ETA 06 0006 VSL Post Tensioning System ETA 13 0978 VSLab 174 S System Bridge construction Bridge Construction Partner Stay cable system Damping systems for Stay Cables VSL SSI 2000 Stay Cable
VSL Post Tensioning System Product family to which the construction product belongs 16 Reinforcing and prestressing steel for concrete and ancillaries Post tensioning kits Manufacturer VSL INTERNATIONAL Ltd Saegestrasse 76 CH 3098 Koeniz