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bonded post tensioning system
Characteristics of Post-tensioning and Pre-tensioning Compared
Post tensioning is done by forming a duct in which strands are pulled (tensioned) after the concrete gains it’s full strength.
Size of a member is not limited. Heavy long span bridges can be constructed by using this technique.
In post tension loss of strength is not more than 15%
This is developed due to bearing.
It is costlier because cost of sheathing is required.
Its durability depends upon the two anchorage mechanism.
| 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.
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do you have questions about post-tensioning systems? get the best answers possible directly from our team.