123. FREYSSINET C AND K SYSTEMS ANCHORAGES

PAGE 1/3

Type 1

Type 2

q = 25 Ø + S

overall

q

1

= 16 Ø + S

overall

Ø/2 6Ø 6Ø

6Ø 6Ø

S

Ø/2

q = 25 Ø + S

Ø/2

q

1

= 16 Ø + S

7.5Ø

7.5Ø

S

Ø/2

K System: NB’ Anchorage (Tromplate)

H

1

pitch

F

b/2 one layer

3 b/8 two layers

b/4

Ø2 x

l

2

Ø3 x

l

3

Ø 4

Ø 5

Ø 1

D

1

A x B

C

B

A

PPC

123/

18-

02.95

123. FREYSSINET C AND K SYSTEMS ANCHORAGES

PAGE 2/3

K System

NB’ A

NCHORAGE

(T

ROMPLATE

) / NB A

NCHORAGE

(P

LATE

+ T

RUMPET

)

NOTE

(1) According to standard EN 523.

(2) The helical or cross-wise bursting reinforcing bars given in the table, which oppose the bursting force in the concrete of the anchorage zone, are only valid for an isolated ancho-

rage in a prismatic section piece (test block), for concrete with a strength f

cmin

between 23 and 43 MPa (cylinder strength).

– When the anchorages are grouped into one of several lines, continuous reinforcement with an equivalent cross-sectional area must be provided to link all the anchorages, appro-

priately anchored within the structure.

Dimensions in mm

NB’–7 K 13

NB’–12 K 13

NB’–19 K 13

NB’–27 K 13

NB–37 K 13

NB–55 K 13

NB’–4 K 15

NB’–7 K 15

NB’–12 K 15

NB’–19 K 15

NB–27 K 15

NB–37 K 15

A x B

170 x 170

235 x 220

260 x 260

315 x 315

450 x 400

495 x 495

C

120

180

205

400

470

486

D

1

120

140

162

218

252

320

H

1

50

55

63

65

78

95

E

75

70

(1) Ø

1 int.

x e Class 1

55 x 0.30

65 x 0.30

80 x 0.35

100 x 0.40

120 x 0.60

130 x 0.60

(1) Ø

1 int.

x e Class 2

55 x 0.45

65 x 0.45

80 x 0.50

100 x 0.60

120 x 0.60

130 x 0.60

F

185

175

170

280

230

245

K 13 Ø

2

x

l

2

28 x 66

28 x 66

28 x 66

28 x 66

28 x 66

28 x 66

K 15 Ø

3

x

l

3

32 x 66

32 x 66

32 x 66

32 x 66

32 x 66

32 x 66

(2) Whorl Ø

4

10

12

14

16

18

20

Steel grade FeE 235

Number of convolutions

6

6

6

6

7

8

Ø

5 ext.

200

280

360

440

540

640

Pitch

50

50

60

65

70

70

Total length

300

300

360

390

490

560

(2) Type of cross-wise bursting reinf.

1 or 2

1 or 2

1 or 2

1 or 2

1 or 2

1 or 2

Number of layers

1

1

1

1

2

2

Ø of reinf. bars Steel grade FeE 235

10

12

14

16

14

16

b

160

200

240

300

360

400

s

100

120

150

170

210

240

q

1

350

420

500

570

560

640

q

2

260

312

374

426

434

496

ANCHORAGE

MISCELLANEOUS

THREADED

SLEEVE

HELICAL BURSTING

REINFORCEMENT

CROSS-WISE BURSTING

REINFORCEMENT

123. FREYSSINET C AND K SYSTEMS ANCHORAGES

PAGE 3/3

Type 1

Type 2

q = 25 Ø + S

overall

q

1

= 16 Ø + S

overall

Ø/2 6Ø 6Ø

6Ø

6Ø

S

q = 25 Ø + S

Ø/2

q

1

= 16 Ø + S

7.5Ø

7.5Ø

S

Ø/2

Ø/2

K System: NB Anchorage (Plate + Trumpet)

pitch

F

E

H

1

b/4

3 b/8

C

Ø2 x

l

2

Ø3 x

l

3

Ø 4

Ø 5

Ø 1

D

1

A x B

B

A