When the length of strand is too long to avoid the lose of pre-stressed force. Coupler will be applied, it is constituted of anchor head, wedge, bearing plate, extrusion parts, spiral bar and other elements.
The strands are anchored using the compressing fittings positioned onto the coupler head grooves.
QR series Coupler
( Coupler Anchor-head + Compressing Fitting + Casting + { Trumpet} + Coupler Cover + Wedge )
|
CY series coupler ( Coupler Head + Compressing fittings + Casting + Cover + Wedge ) |
||||||||
|
Strand type & Coupler type |
A(mm) |
B(mm) |
C(mm) |
H(mm) |
J(mm) |
Circle N |
K(mm) |
|
|
13mm (0.5'') strand |
5-3 |
425 |
108 |
128 |
140 |
8 |
2.5 |
148 |
|
5-4 |
435 |
108 |
148 |
155 |
8 |
2.5 |
148 |
|
|
5-7 |
435 |
108 |
168 |
205 |
10 |
2.5 |
148 |
|
|
5-12 |
505 |
108 |
198 |
265 |
12 |
4.5 |
248 |
|
|
5-19 |
585 |
108 |
238 |
340 |
14 |
5.5 |
298 |
|
|
5-22 |
655 |
108 |
258 |
340 |
16 |
5.5 |
298 |
|
|
5-27 |
855 |
108 |
308 |
375 |
16 |
7.5 |
398 |
|
|
5-31 |
1005 |
108 |
348 |
375 |
18 |
6.5 |
418 |
|
|
5-37 |
1075 |
148 |
388 |
435 |
20 |
7.5 |
478 |
|
|
5-42 |
1075 |
148 |
393 |
485 |
20 |
8.0 |
508 |
|
|
5-48 |
1365 |
148 |
418 |
515 |
20 |
8.0 |
508 |
|
|
5-55 |
1365 |
168 |
488 |
555 |
20 |
8.0 |
508 |
|
|
15mm (0.6'') strand |
6-3 |
485 |
126 |
148 |
155 |
8 |
2.5 |
148 |
|
6-4 |
515 |
126 |
158 |
185 |
10 |
3.5 |
148 |
|
|
6-7 |
625 |
126 |
198 |
255 |
12 |
4.5 |
148 |
|
|
6-12 |
725 |
126 |
238 |
315 |
14 |
5.5 |
248 |
|
|
6-19 |
855 |
126 |
278 |
375 |
16 |
7.5 |
298 |
|
|
6-22 |
925 |
126 |
308 |
375 |
16 |
7.5 |
398 |
|
|
6-27 |
1085 |
126 |
328 |
435 |
16 |
8.5 |
398 |
|
|
6-31 |
1085 |
148 |
348 |
485 |
20 |
8.5 |
508 |
|
|
6-37 |
1385 |
168 |
438 |
515 |
20 |
8.5 |
508 |
|
预应力锚具