esolution Post-tensioning for bridges and construction techniques are founded on many years’ experience of creating elegant yet practical infrastructure.
The use of post-tensioning for bridges allows very demanding geometry requirements, including complex curves, variable superelevation and significant grade changes to be met. Bonded internal post-tensioning systems are comprised of tendons from 1 to 73 strands. They have been extensively used in bridge construction applications (both cast-in-situ and precast segmental). The advantages are:
The bridge construction method is an important factor and significant cost-savings can be achieved by selection of the right technique. esolution construction and Engineering offer not only the right bridge construction equipment, knowledge and resources but also the respective technical support from the preliminary design period to final execution. Basically, five major techniques are employed , whether cast-in-situ or precast:
Esolution provides an European technical approved ETA/ETAG (European Organization for Technical Approvals) followings ETA guideline, where all materials are tested and approved for bridges construction with the highest quality, the anchorages sizes between 1 to 31 strands 15.20/15.70 mm strands dia are available on request.
Esolution further provides a complete range of installation services for the bridges, includes all the machinary required for stressing and grouting, furthermore esolution provides additional services for posttension bars, and threaded bars required for a heavy lifting of segmental bridges.
Multi Strand Posttensioning systems
Extensively used in bridges and transportation structures, boned multistrand posttensioning systems have also been successfully applied to commercial construction, also to commercial buildings where beams are required to be introduced due to existence of transfer beams or large spans above multipurpose halls, Available multistrands in our products range up to 31 strands European approved system, where strands are encased in plastic or steel ducts fully bonded using high performance grout
When bonded multistrands posttensioning systems are used for large structural members, such as beams, transfer girders, design advantages include increased span lengths and load carrying capacity and reduced deflection.
Additionally, because the strands are stressed simultaneously, less labor is required resulting in a cost saving
High strength steel Bars and Prestressed bars
Threaded bars Typical permanent applications include the connection of girders and piers in segmental bridge construction. In the case of permanent applications the systems is usually to be delivered with a full corrosion protection accessory system.
Threaded Bar systems are also frequently usued on construction sites for temporary applications such as heavy lifting and stitching of precast elements and anchoring of steel frame supports.
PT bar range is divided in two major type of bars. This page focuses on the PT Bar systems using Fully Threaded Bar systems, which are usually cut to length as per project requirements, but may also be re-cut in shorter segments and re-used on the project site.
esolution serves bridges section in United Arab Emirates, Kingdom of Saudi Arabia, Centeral Africa and Egypt
Other regions services are available upon request : info@esolution-pt.com
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