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bonded post tensioning system
bonded post-tensioning comprises tendons
from one to multiple strands (multistrand) or bars. for bonded systems, the prestressing steel is encased in a corrugated metal or plastic duct. after the tendon is stressed, cementitious grout is injected into the duct to bond it to the surrounding concrete. besides, the grout creates an alkaline environment which provides corrosion protection for the prestressing steel. bonded multi-strand systems, while used extensively in new construction of bridges and transportation structures, can be and have been successfully applied to commercial building structures. when these multi-strand systems are used for large structural elements such as beams and transfer girders, design advantages include increased span lengths and load carrying capacity and reduced deflection.
| name | bonded post tensioning system |
| certified | ISO 9001 |
| material | Cast grey iron |
| type | system. |
| Magnel system. | |
| Leonhardt system. | |
| Lee-McCall system. | |
| Gifford-Udall system. | |
| purpose | prestressed concrete |
| reinforce concrete | |
| reinforcing concrete | |
| techniques | bonded |
| unbonded | |
| tendons type | one strands |
| multiple strands | |
| multistrand | |
| bars | |
| use industry | bridges |
| elevated slabs (parking structures and residential or commercial buildings) | |
| residential foundations | |
| walls, and columns. | |
| high rise | |
| multi family | |
| parking garages | |
| hotels | |
| offices | |
| condominiums | |
| intended for | developers |
| architects | |
| engineers |
hufua Systems delivers quality, service and value nationwide, specializing in cast-in-place post-tensioned concrete structures.
This includes high rise, multi-family, parking garages, hotels, offices and condominiums. Supported with in-house engineering design support, fuhua Systems can provide its Clients responsive design and budgeting input at an early stage of project development.
hufua Systems’ Unbonded Monostrand System utilizes the latest extrusion technology to produce unbonded tendons with a uniform coating of abrasion resistant, high density polyethylene sheathing over a low friction, corrosion inhibiting lubricant. All unbonded post tension tendons are fabricated according to the governing ASTM and PTI Standards in our PTI Certified Plant.
Fabricated tendons are tagged, bundled and delivered by construction sequence for ease of field placement.
fuhua Systems’ encapsulated system is designed for aggressive corrosive environments such as coastal areas and parking garages exposed to de-icing salts. The encapsulated system comprises plastic coated anchorages, 60 mil plastic sheathing and positive locking connection tubes and end caps ensuring complete isolation of the wedge cavity and strand from corrosive elements.
Stressing Equipment is serviced and calibrated prior to delivery to the jobsite. Technical Field Service Representatives provide our Clients with on-site assistance for Tendon Systems installation, stressing and construction sequencing.
For turn-key packages, fuhua system offers a cost effective labor force to provide complete installation services for all post-tensioning, ShearailsTM and rebar materials.
outstanding support
do you have questions about post-tensioning systems? get the best answers possible directly from our team.