Post-tensioned slabs
Tendons stressed after the concrete has gained strength, allowing longer spans and thinner slabs.
PC Strand Wire in UAE
PC strand wire is the high-tensile seven-wire strand used to prestress concrete and to form the tendon in a ground anchor. Apex supplies strand to ASTM A416/A416M-98 Grade 270 in the UAE.
PC Strand Wire in UAE quick facts
PC Strand Wire in UAE — quick facts
| Standard | ASTM A416/A416M-98 Grade 270 |
|---|---|
| Nominal diameter | 15.24 mm (0.6 in) |
| Nominal steel area | 140.0 mm² |
| Nominal weight | 1102 kg per 1000 m |
| Minimum breaking load | 260.7 kN |
| Minimum yield | 234.6 kN |
| Construction | Seven-wire strand |
| Used for | Post-tensioning and tie-back ground anchors |
Overview
The tendon in both post-tension and anchoring
PC strand wire in the UAE is seven-wire high-tensile strand: six wires laid helically around a central king wire. It is the tensioning element in post-tensioned concrete and the tendon in a tie-back ground anchor — the same material doing the same job in two different applications.
Apex supplies strand to ASTM A416/A416M-98 Grade 270, 15.24 mm nominal diameter, with 140.0 mm² nominal steel area, a minimum breaking load of 260.7 kN and minimum yield of 234.6 kN.
Anchors are structural elements capable of transmitting stress to the ground by means of structures and anchoring devices — a particular application of prestress in civil engineering, most commonly used in the anchoring of face walls.
The supporting components are stocked alongside: anchor heads from 3 to 16 hole, barrels and wedges of all sizes, mono and multi-strand stressing jacks, load cells and grout pipes.
Specifications
Technical data
PC strand wire — ASTM A416/A416M-98 Grade 270
| Nominal diameter | Steel area (mm²) | Weight (kg/1000 m) | Min. breaking load (kN) | Min. yield (kN) |
|---|---|---|---|---|
| 15.24 mm (0.6 in) | 140.0 | 1102 | 260.7 | 234.6 |
Anchor heads
| Description | Thickness (mm) | Diameter (mm) |
|---|---|---|
| Anchor head, 3 hole | 60 | 115 |
| Anchor head, 4 hole | 60 | 115 |
| Anchor head, 5 hole | 60 | 115 |
| Anchor head, 6 hole | 60 | 135 |
| Anchor head, 7 hole | 60 | 135 |
| Anchor head, 8 hole | 60 | 170 |
| Anchor head, 12 hole | 60 | 185 |
| Anchor head, 16 hole | 60 | 185 |
Barrel and wedge
| Model | Height | Diameter |
|---|---|---|
| A45-34 | 51 mm | 45 mm |
Applications
Where it is used
Tie-back ground anchors
The strand tendon grouted into competent ground behind a shoring wall and stressed to design load.
Prestressed elements
Pre- and post-tensioning of beams and structural elements.
Questions
PC Strand Wire in UAE — questions answered
What does Grade 270 mean?
Grade 270 refers to the specified minimum tensile strength of the strand in ASTM A416 — 270 ksi, roughly 1860 MPa. It is the standard grade for prestressing strand used in post-tension and ground anchor work.
What is the breaking load of 15.24 mm strand?
Minimum breaking load is 260.7 kN, with minimum yield at 234.6 kN, over a nominal steel area of 140.0 mm².
Is the same strand used for anchors and post-tensioning?
Yes. Both use seven-wire prestressing strand to the same standard. The difference is in what the strand is anchored into — concrete in a post-tensioned slab, grouted ground in a tie-back anchor — and in the corrosion protection a permanent anchor requires.
What accessories are needed to install it?
Anchor heads sized to the number of strands, barrels and wedges to grip each strand, and a stressing jack — mono-strand for stressing one at a time or multi-strand for stressing the whole tendon together. Apex stocks all of these.
Enquiry
Request a price
Tell us the size, capacity and quantity you need. We will confirm availability and price.
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