14
 V S L M U LTI S T R A N D S Y S T E M S : Strand and Tendon Properties Strands Type 0.5” (270 ksi) Number of Strands Per Tendon Area of tendon inch 2 Min breaking load kips 1 0.15 41.3 2 0.31 82.6 3 0.46 123.9 4 0.61 165.2 5 0.77 206.5 6 0.92 247.8 7 1.07 289.1 8 1.22 330.4 9 1.38 371.7 10 1.53 413.0 11 1.68 454.3 12 1.84 495.6 13 1.99 536.9 14 2.14 578.2 15 2.30 619.5 16 2.45 660.8 17 2.60 702.1 18 2.75 743.4 19 2.91 784.7 20 3.06 826.0 21 3.21 867.3 22 3.37 908.6 23 3.52 949.9 24 3.67 991.2 25 3.83 1032.5 26 3.98 1073.8 27 4.13 11 15.1 28 4.28 1156.4 29 4.44 1 197.7 30 4.59 1239.0 31 4.74 1280.3 32 4.90 1321.6 33 5.05 1362.9 34 5.20 1404.2 35 5.36 1445.5 36 5.51 1486.8 37 5.66 1528.1 38 5.81 1569.4 39 5.97 1610.7 40 6.12 1652.0 41 6.27 1693.3 42 6.43 1734.6 43 6.58 1775.9 44 6.73 1817.2 45 6.89 1858.5 46 7.04 1899.8 47 7.19 1941.1 48 7.35 1982.4 49 7.50 2023.7 50 7.65 2065.0 51 7.80 2106.3 52 7.96 2147.6 53 8.1 1 2188.9 54 8.26 2230.2 55 8.42 2271.5 Strands Type 0.6” (270 ksi) Number of Strands Per Tendon Area of tendon inch 2 Min breaking load kips 1 0.22 58.6 2 0.43 1 17.2 3 0.65 175.8 4 0.87 234.4 5 1.09 293.0 6 1.30 351.6 7 1.52 410.2 8 1.74 468.8 9 1.95 527.4 10 2.17 586.0 11 2.39 644.6 12 2.60 703.2 13 2.82 761.8 14 3.03 820.4 15 3.26 879.0 16 3.47 937.6 17 3.69 996.2 18 3.91 1054.8 19 4.12 1 113.4 20 4.34 1172.0 21 4.56 1230.6 22 4.78 1289.2 23 4.99 1347.8 24 5.21 1406.4 25 5.43 1465.0 26 5.64 1523.6 27 5.86 1582.2 28 6.08 1640.8 29 6.29 1699.4 30 6.51 1758.0 31 6.73 1816.6 32 6.94 1875.2 33 7.16 1933.8 34 7.38 1992.4 35 7.60 2051.0 36 7.81 2109.6 37 8.03 2168.2 38 8.25 2226.8 39 8.46 2285.4 40 8.68 2344.0 41 8.90 2402.6 42 9.11 2461.2 43 9.33 2519.8 44 9.55 2578.4 45 9.77 2637.0 46 9.98 2695.6 47 10.20 2754.2 48 10.42 2812.8 49 10.63 2871.4 50 10.85 2930.0 51 1 1.07 2988.6 52 11.28 3047.2 53 1 1.50 3105.8 54 11.72 3164.4 55 1 1.94 3223.0 Strand Type 0.5” (13 mm) 0.6” (15 mm) Nominal diameter  i nch 0.5 0.6 Nominal area  inch 2 0.153 0.217 Nominal weight/mass  lbs/ft 0.53 0.74 Tensile strength  ksi 270 270 Min. breaking load  k ips 41.3 58.6  Young ’s modulus  ksi approx. 28,500 Relaxation  % max 2.5 Strand Properties Tendon Properties www.vsl.net 888-489-2687 VSL US Technical Data and Dimensions • Strand and Tendon Properties • 0308 ©VStructural, LLC

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 VSL MULTISTRAND SYSTEMS:

Strand and Tendon Properties

Strands Type 0.5” (270 ksi)

Number of

Strands Per

Tendon

Area of tendon

inch2

Min breaking

load kips

1 0.15 41.32 0.31 82.63 0.46 123.9

4 0.61 165.25 0.77 206.56 0.92 247.87 1.07 289.18 1.22 330.49 1.38 371.710 1.53 413.011 1.68 454.312 1.84 495.613 1.99 536.914 2.14 578.215 2.30 619.516 2.45 660.817 2.60 702.118 2.75 743.419 2.91 784.720 3.06 826.0

21 3.21 867.322 3.37 908.623 3.52 949.924 3.67 991.225 3.83 1032.526 3.98 1073.827 4.13 1115.128 4.28 1156.429 4.44 1197.730 4.59 1239.031 4.74 1280.332 4.90 1321.633 5.05 1362.934 5.20 1404.235 5.36 1445.536 5.51 1486.837 5.66 1528.138 5.81 1569.4

39 5.97 1610.740 6.12 1652.041 6.27 1693.342 6.43 1734.643 6.58 1775.944 6.73 1817.245 6.89 1858.546 7.04 1899.847 7.19 1941.148 7.35 1982.449 7.50 2023.750 7.65 2065.051 7.80 2106.352 7.96 2147.653 8.11 2188.954 8.26 2230.255 8.42 2271.5

Strands Type 0.6” (270 ksi)

Number of

Strands Per

Tendon

Area of tendon

inch2

Min breaking

load kips

1 0.22 58.62 0.43 117.23 0.65 175.8

4 0.87 234.45 1.09 293.06 1.30 351.67 1.52 410.28 1.74 468.89 1.95 527.410 2.17 586.011 2.39 644.612 2.60 703.213 2.82 761.814 3.03 820.415 3.26 879.016 3.47 937.617 3.69 996.218 3.91 1054.819 4.12 1113.420 4.34 1172.0

21 4.56 1230.622 4.78 1289.223 4.99 1347.824 5.21 1406.425 5.43 1465.026 5.64 1523.627 5.86 1582.228 6.08 1640.829 6.29 1699.430 6.51 1758.031 6.73 1816.632 6.94 1875.233 7.16 1933.834 7.38 1992.435 7.60 2051.036 7.81 2109.637 8.03 2168.238 8.25 2226.8

39 8.46 2285.440 8.68 2344.041 8.90 2402.642 9.11 2461.243 9.33 2519.844 9.55 2578.445 9.77 2637.046 9.98 2695.647 10.20 2754.248 10.42 2812.849 10.63 2871.450 10.85 2930.051 11.07 2988.652 11.28 3047.253 11.50 3105.854 11.72 3164.455 11.94 3223.0

Strand Type0.5”

(13 mm)

0.6”

(15 mm)

Nominal diameter    inch 0.5 0.6

Nominal area   inch2 0.153 0.217Nominal weight/mass   lbs/ft 0.53 0.74

Tensile strength   ksi 270 270

Min. breaking load   k ips 41.3 58.6

 Young’s modulus   ksi approx. 28,500

Relaxation   % max 2.5

Strand Properties

Tendon Properties

www.vsl.net888-489-2687

VSL US Technical Data and Dimensions • Strand and Tendon Properties • 0308 ©VStructural, LLC

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www.vsl.net • 888-489-2687

Notes:

 Anchorage spacings are in accordance with test requirement of AASHTO (The Special

 Anchorage Device Acceptance Test Procedure, AASHTO 2000).

For proper design and detailing of anchorage zones and related reinforcement, refer to the

VSL Publication Detailing for Post-Tensioning.

Dimensions are valid for:• f’ci (psi) is the nominal minimum concrete cylinder strength at the time of stressing.

• Maximum prestressing force may be applied when concrete reaches a cylinder

strength of 3,500 psi (24 MPa) and 5,500 psi (38 MPa) respectively.

• Temporary overstressing to 80% of Guaranteed Ultimate Tensile Strength.

• Yield strength of spiral reinforcement: Grade 60 (400 MPa).

• Tie one and one-half turns of spiral at both ends.

• Additional orthogonal reinforcement may be required in the local anchorage zone as

determined by design.

• Spirals may be replaced by suitable orthogonal reinforcement.

• Information for other concrete strengths and conditions is available from your local

VSL Representative.

• Spiral reinforcement shall be centered on the anchorage assembly and be placed

directly behind the bearing plate as indicated above.

 VSL MULTISTRAND SYSTEMS:

Type ECI Stressing Anchorage

Dimensions (Inches)

Tendon

Unit

f’ci

(psi)A B C øD øE

øF

PT+

Duct

øF

Steel

Duct

øF

SCH 40

Pipe

øG H

K

PT+

Duct

K

Steel

Duct

K

SCH 40

Pipe

L n P Q R X

6-7 3500 8.54 6.69 2.37 5.33 3.31 2.87 2.88 3.00 11.00 12.00No Trumpet on 6-7

#4 6.50 3.00 7.40 4.17 13.00

6-7 5500 8.54 6.69 2.37 5.33 3.31 2.87 2.88 3.00 11.00 12.00 #4 6.50 3.00 7.40 4.17 13.00

6-12 3500 9.88 8.66 3.00 6.85 4.62 3.58 3.24 3.50 13.00 14.00No Trumpet on 6-12

#5 7.00 3.00 8.66 4.90 15.00

6-12 5500 9.88 8.66 3.00 6.85 4.62 3.58 3.24 3.50 13.00 13.50 #4 7.00 3.00 8.66 4.90 15.00

6-19 3500 11.42 6.91 3.75 8.13 5.90 4.57 4.10 4.50 17.00 19.00 15.19 12.09 9.29 #5 11.50 2.00 10.24 5.63 19.00

6-19 5500 11.42 6.91 3.75 8.13 5.90 4.57 4.10 4.50 15.00 17.00 15.19 12.09 9.29 #5 10.50 2.00 10.24 5.63 17.00

VSL US Technical Data and Dimensions • ECI Multistrand 1207 • ©VStructural, LLC

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VSLMultistrand Post-Tensioning

VSL/DSUS_M ulti_SA_ES 1M 5/02 ©V Structural, LLC   www.vsl.ne

Stressing Anchorage VSL Type ES 

Dimensions Inches Tendon Uni t 

Anchorage spacings are in accordance with test requirementsof FIP

(Recommendationsfor Acceptance of Post-Tensioning Systems: M arch

1992). For proper design and detailing of anchorage zonesand related

reinforcement, refer to the VSL Publication “D etailing for Post-Tensioning”.

Dimensions are valid for:

• Nominal concrete cylinder strength at 28 days: 4,000 psi (28 MPa).

• M aximum prestressing force may be applied when concrete reaches

a cylinder strength of 3,500 psi (24 M Pa).

• Temporary overstressing to 80% of G uaranteed U ltimate Tensile Strength.

• Yield strength of spiral reinforcement: G rade 60 (400 M Pa).

• Additional orthogonal reinforcement may be required in the local

anchorage zone asdetermined by design.

• Spiralsmay be replaced by suitable orthogonal reinforcement.

• Information for other concrete strengthsand conditionsare available from

your local VSL Representative.

Spiral reinforcement shall be centered on the anchorage assembly and be

placed directly behind the bearing plate.

O ther sizesavailable on request Subject to modification

Drawings not to scale

~1.25" K (std)

K (super)

øG

øAHC

B

Spiral reinforcement

L x n turns (pitch = H/n)

X = Anchorage spacing

XR = Clearence to edge

XR = X + required cover ofspiral reinforcing

     ø      D

     ø      E

      J

12

    S   t   r   a   n   d 

   T   y   p   e

   0 .

   5   '   '

    S   t   r   a   n   d 

   T   y   p   e

   0 .

   6   '   '

ø A B C øD øE øG H J K K L n X(std ) (super )

5-12   8.74 2.36 2.38 6.00 4.06 10.50 10.00 4.33 13.00 16.38 #4 5 12.505-19   10.16 3.15 3.00 7.00 5.13 13.75 14.00 4.82 16.93 20.22 #5 7 15.755-31   12.60 3.94 4.00 9.00 6.59 18.00 18.00 5.91 19.69 23.86 #5 9 20.505-43   15.35 4.72 5.20 11.10 8.57 21.75 20.00 7.24 28.75 NA #5 10 23.755-55   16.54 5.12 5.50 12.00 9.01 24.75 22.50 7.80 27.55 NA #6 10 26.75

6 -7   8.74 2.36 2.38 6.00 4.06 10.50 10.00 4.33 13.00 16.38 #4 5 12.506-12   10.16 3.15 3.25 7.00 5.13 13.75 14.00 4.82 16.93 20.22 #5 7 15.756-19   11.81 3.54 3.75 8.25 5.88 17.00 18.00 5.61 19.69 22.13 #5 9 19.006-22   12.60 3.94 4.00 9.00 6.59 18.00 18.00 5.91 19.69 23.86 #5 9 20.506-31   15.35 4.72 5.20 11.10 8.57 21.75 20.00 7.24 28.75 NA #5 10 23.756-37   16.54 5.12 5.50 12.00 9.01 24.75 22.50 7.80 27.55 NA #6 10 26.75

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VSLMultistrand Post-Tensioning

VSL/DSUS_M ulti_SA_EC 1M 5/02 © VStructural, LLC   www.vsl.ne

Stressing Anchorage VSL Type EC 

Anchorage spacings are in accordance with test requirementsof FIP

(Recommendationsfor Acceptance of Post-Tensioning Systems: M arch

1992). For proper design and detailing of anchorage zonesand related

reinforcement, refer to the VSL Publication “D etailing for Post-Tensioning”.

Dimensions are valid for:

• Nominal concrete cylinder strength at 28 days: 4,000 psi (28 MPa).

• M aximum prestressing force may be applied when concrete reaches

a cylinder strength of 3,500 psi (24 M Pa).

• Temporary overstressing to 80% of G uaranteed U ltimate Tensile Strength.

• Yield strength of spiral reinforcement: G rade 60 (400 M Pa).

• Spiralsmay be replaced by suitable orthogonal reinforcement.

• Information for other concrete strengthsand conditionsare available

from your local VSL Representative.

Spiral reinforcement shall be centered on the anchorage assembly and

be placed directly behind the bearing plate.

Additional orthogonal reinforcement may be required in the local

anchorage zone asdetermined by design.

O ther sizesavailable on request Subject to modification

Dimensions Inches Tendon Uni t 

    S   t   r   a   n   d 

   T   y   p   e

   0 .

   5   '   '

~1.25" H øG

ABC

Spiral reinforcementL x n turns (pitch = H/n)

     ø      D

     ø      E

     ø      F

X = Anchorage spacingXR = Clearence to edge XR = X + required cover of

spiral reinforcing

12

      A

A B C øD ø E ø F øG H L n X

5 -7   6.50 5.25 2.38 4.50 2.91 2.50 9.00 12.00 #4 6 9.505-12   8.88 7.06 2.38 6.00 4.31 3.13 11.75 16.00 #4 8 12.505-19   11.00 10.25 3.00 7.00 5.56 3.75 15.00 18.00 #5 8 15.755-27   12.38 13.63 4.00 9.00 7.00 4.75 18.00 18.00 #6 8 18.755-31   14.00 13.63 4.00 9.00 7.00 4.75 19.00 20.25 #6 9 20.00

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Dimensions (Inches)

Tendon Unit A B C øD øE F øG H J J 2) L n X

0.5”

Strand

5-1 2.76 0.59 1.77 1.65 0.59 2.76 3.15 3.54 0.98 1.18 #3 2 3.545-3 4.53 0.79 1.97 3.54 1.97 7.48 5.12 5.91 1.57 1.17 #4 3 6.105-4 5.12 0.79 1.97 3.74 2.17 7.48 6.30 5.91 1.77 1.97 #4 3 7.095-7 6.89 0.98 2.17 4.33 2.91 7.48 8.07 7.87 2.17 2.36 #4 4 9.25

5-12 9.06 1.38 2.36 5.91 4.09 14.57 11.22 9.84 2.56 2.83 #4 5 12.05-19 11.42 1.57 2.95 7.09 5.31 18.50 14.37 11.81 3.15 3.43 #5 6 15.15-22 12.40 1.77 3.35 7.48 5.91 18.90 15.55 14.17 3.35 3.62 #6 6 16.35-31 14.57 2.17 3.74 9.06 6.77 21.65 18.50 15.75 3.94 4.21 #5 8 19.25-37 15.94 2.36 4.13 9.45 7.40 22.44 20.08 16.54 4.72 5.00 #7 7 21.05-43 17.32 2.36 4.33 10.24 8.50 26.77 21.65 18.90 5.12 5.39 #7 8 22.8

5-55 19.69 2.76 5.12 11.42 9.06 26.77 24.41 21.26 5.51 5.91 #7 9 25.7

0.6”

Strand

6-1 2.95 0.59 1.97 2.09 0.71 2.76 3.15 3.54 1.18 1.38 #3 2 4.136-2 4.33 0.59 1.97 3.54 1.97 7.48 5.12 5.91 1.77 1.97 #4 3 5.96-3 5.31 0.79 1.97 3.74 2.20 7.48 6.30 5.91 1.77 1.97 #4 3 7.286-4 6.30 0.98 2.17 4.33 2.56 7.48 7.48 7.87 1.97 2.17 #4 4 8.276-7 8.07 1.38 2.36 5.31 3.31 11.42 10.24 9.84 2.36 2.64 #4 5 11.0

6-12 10.63 1.57 2.95 6.69 4.65 18.11 13.58 11.81 3.15 3.43 #5 6 14.36-19 13.39 1.97 3.74 7.87 5.91 23.23 17.32 13.78 3.74 4.02 #5 9 18.16-22 14.57 2.17 3.94 8.66 6.77 27.17 18.50 15.75 4.33 4.61 #6 8 19.46-31 17.13 2.56 4.72 10.24 7.56 27.17 22.05 18.90 5.12 5.39 #7 8 23.26-37 18.90 2.76 5.31 11.02 8.46 32.68 24.02 21.26 5.51 5.91 #7 9 25.26-43 20.47 2.95 5.71 11.81 9.69 37.40 25.59 25.20 5.91 6.30 #8 8 27.16-55 22.83 3.54 6.30 13.39 10.04 37.40 29.13 24.80 6.69 7.09 #8 9 30.7

www.vsl.net • 888-489-2687

Grout HoseBearing Plate(Steel)

Duct

Trumpet

 Anchor Head

~1.25" H øG

AF

 

C

B

     ø      D

     ø      E

X = Anchorage spacing

XR = Clearance to edge XR = X + required cover of

spiral reinforcing

12

      A

Spiral reinforcement

L x n turns (pitch = H/n)

 VSL MULTISTRAND SYSTEMS:

Type E Stressing Anchorage

Notes:

• Other sizes available on request.

• Anchorage spacings are in accordance with test requirements of FIP (Recommendations for Acceptance of Post-Tensioning Systems: March 1992). For properdesign and detailing of anchorage zones and related reinforcement, refer to the VSL Publication Detailing for Post-Tensioning .

Dimensions are valid for:

• Nominal minimum concrete cylinder strength at 28 days: 4000 psi (28 MPa).

• Maximum prestressing force may be applied when concrete reaches a cylinder strength of 3,500 psi (24 MPa).

• Temporary overstressing to 80% of Guaranteed Ultimate Tensile Strength.

• Yield strength of spiral reinforcement: Grade 60 (400 MPa).

• Information for other concrete strength and conditions are available from your local VSL Representative.

• Large bearing plates are available where bearing stress is arbitrarily limited to 3,000 psi (21 MPa) with the tendon locked off at 70% Guaranteed Ultimate Tensile

Strength.

• Spiral reinforcement shall be centered on the anchorage assembly and be placed directly behind the bearing plate.

• Additional orthogonal reinforcement may be required in the local anchorage zone as determined by design.

VSL US Technical Data and Dimensions • E Multistrand • 0308 ©VStructural, LLC

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 VSL MULTISTRAND SYSTEMS:

Type K Coupler

www.vsl.net • 888-489-2687

Bearing PlateType EC, ES or EGrout Hose

DuctCouplingHead K

Trumpet

Tension Ring CompressionFittings

Dimensions (Inches)

Tendon Unit A B C øD

0.5”

Strand

5-3 16.93 5.51 1.57 5.12

5-7 21.65 5.51 2.36 6.69

5-12 25.59 5.51 2.36 7.87

5-19 29.13 5.51 3.15 9.45

5-22 32.68 5.51 3.54 10.24

5-31 44.88 5.51 3.54 13.78

5-37 51.97 7.09 4.72 15.35

5-42 50.79 7.09 5.12 15.55

5-55 53.94 7.87 5.91 16.54

0.6”

Strand

6-2 14.96 5.91 1.18 5.51

6-3 19.29 6.30 2.36 5.91

6-4 20.47 6.30 2.36 6.30

6-7 24.80 6.30 2.76 7.48

6-12 28.74 6.30 3.15 9.45

6-19 33.86 6.30 3.54 11.02

6-22 36.61 6.30 3.54 12.20

6-31 42.91 7.09 5.12 14.17

6-37 54.72 7.87 5.12 16.93

VSL US Technical Data and Dimensions • K Multistrand • 0308 ©VStructural, LLC

Notes:

• Tension ring required as shown.

• Refer to applicable systems data sheet for bearing plate data and dimensions.

• Use of couplers requires special procedures and detailing. Contact your local

  VSL Representative.

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 VSL MULTISTRAND SYSTEMS:

Type T Dead-End Anchorage

Notes:• Anchorage spacings are in accordance with test requirement of AASHTO (The Special Anchorage

Device Acceptance Test Procedure, AASHTO 2000).

• For proper design and detailing of anchorage zones and related reinforcement, refer to the VSL

Publication Detailing for Post-Tensioning .

Dimensions are valid for:• Nominal minimum concrete cylinder strength at 28 days: 4000 psi (28 MPa).

• Maximum prestressing force may be applied when concrete reaches a cylinder strength of 3,500

psi (24 MPa).

• Temporary overstressing to 80% of Guaranteed Ultimate Tensile Strength.

• Information for other concrete strength and conditions are available from your local VSL

Representative.

Dimensions (Inches)

Tendon Unit A B C øG X

0.5”

Strand

5-12 6.60 8.80 36.00 11.75 12.50

5-19 11.00 11.00 36.00 15.00 15.75

5-31 16.00 11.00 36.00 19.00 20.00

0.6”

Strand

6-7 6.75 6.75 36.00 12.50

6-12 6.75 6.00 36.00 15.75

6-19 9.00 11.25 36.00 20.00

Spiral reinforcement

L x n turns (pitch = H/n)

Tension Ring X = Anchorage spacing

XR = Clearance to edge

XR = X + required cover ofspiral reinforcing

C øG

B

      A

www.vsl.net • 888-489-2687

Type T Anchorage

Grout Hose

Seal

Duct

Tension Ring

VSL US Technical Data and Dimensions • T Multistrand • 0308 ©VStructural, LLC

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 VSL MULTISTRAND SYSTEMS:

Type Z Intermediate Anchorage

Notes:• Tension ring required on #2 side of the anchorage.

• Blockout dimensions dependent upon the shape of the

concrete surface and the tendon elongation.

• The values stated apply for surfaces which are not curved.

Dimensions (Inches)

Tendon Unit A B C D F 2 G 2 H

0.5”

Strand

5-2 1) 5.12 2.36 3.15 2.36 15.75 22.05 6.69

5-4 1) 6.30 2.76 3.54 2.56 19.69 28.35 7.87

5-6 7.87 3.54 5.12 3.35 23.62 35.04 9.45

5-8 8.62 4.12 4.50 3.00 29.50 46.38 10.25

5-12 11.02 5.51 5.51 3.54 39.37 56.69 12.60

5-22 13.78 6.69 7.87 4.72 57.09 81.50 15.35

0.6”

Strand

6-2 1) 5.51 2.76 3.54 2.56 17.72 24.41 7.09

6-4 1) 6.69 3.15 3.94 2.76 35.43 44.49 8.27

6-6 8.27 3.94 5.51 3.54 39.37 51.97 9.84

6-12 11.81 6.30 6.30 3.94 53.15 75.20 13.39

6-22 15.75 7.48 9.84 5.71 59.06 90.16 17.32

 

Tendon #2

Tension Ring

Tendon #1 

F + L B

G + L

 

Curved stressing chair 

Stressing Jack

 

      D      C

      E

 Tendon #2

      H

Tendon #1

      A

L = Elongation of tendon #2

 

E = C/2 + required cover 

 

www.vsl.net • 888-489-2687

Retainer Plate

Grout Hose

 Anchor HeadType Z

Tension Ringwith Anchors

Duct

VSL US Technical Data and Dimensions • Z Multistrand • 0308 ©VStructural, LLC

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VSLMultistrand Post-Tensioning

VSL/D SUS_M ulti_D EA_L 1M 5/02 ©V Structural, LLC   www.vsl.ne

Dead-End Anchorage VSL Type L

For proper design and detailing of anchorage zonesand related

reinforcement, refer to the VSL Publication “D etailing for Post-Tensioning”.

Dimensions are valid for:

• Nominal concrete cylinder strength at 28 days: 4,000 psi (28 MPa).

• M aximum prestressing force may be applied when concrete reaches

a cylinder strength of 3,500 psi (24 M Pa).

• Temporary overstressing to 80% of G uaranteed U ltimate Tensile Strength.

• Yield strength of spiral reinforcement: G rade 60 (400 M Pa).

• Custom size VSL Loops are available.

• Information for other concrete strengthsand conditionsare available from

your local VSL Representative.

• Simultaneousstressing of both tendon ends isnecessary.

O ther sizesavailable on request Subject to modification

Dimensions Inches Tendon Uni t 

    S   t   r   a   n   d 

   T   y   p   e

   0 .

   5   '   '

  ø A In tern al ø A Extern al R min .

5 -7   2.62 2.88 24.005-12   3.50 3.75 36.005-19   3.94 4.19 36.005-31   5.75 6.00 36.00

Hairpin bar reinforcement

 R

     ø      A

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www.vsl.net • 888-489-2687

Notes:

• Anchorage spacings are in accordance with test requirement of AASHTO (The Special

 Anchorage Device Acceptance Test Procedure, AASHTO 2000).

• For proper design and detailing of anchorage zones and related reinforcement, refer to

the VSL Publication Detailing for Post-Tensioning .

Dimensions are valid for:

• Nominal minimum concrete cylinder strength at 28 days: 4000 psi (28 MPa).

• Maximum prestressing force may be applied when concrete reaches a cylinder strength

of 3,500 psi (24 MPa).

• Temporary overstressing to 80% of Guaranteed Ultimate Tensile Strength.

• Yield strength of spiral reinforcement: Grade 60 (400 MPa).

• Spirals may be replaced by suitable orthogonal reinforcement.

• Information for other concrete strength and conditions are available from your local VSL

Representative.

 VSL MULTISTRAND SYSTEMS:

Type AF Dead-End Anchorage

Dimensions (Inches)

Tendon Unit øA C D EøF

Int.

øF (2)

Ext. øG H K øL n M X

0.6”

Strand

6-12 10.43 2.36 18.11 3.54 3.74 4.02 14.96 17.72 27.56 #5 9.00 2.36 16.00

6-19 12.40 2.36 18.11 3.54 4.72 5.00 18.90 21.26 27.56 #6 9.00 2.36 20.00

6-31 14.76 2.36 25.98 3.54 5.91 6.18 24.41 25.98 35.43 #7 12.00 3.15 26.00

VSL US Technical Data and Dimensions • AF Multistrand • 0308 ©VStructural, LLC

Duct

Trumpet

Strand

Cover Plate

      E

      D

ØG

  L

      C

      K H

      M

ØF

XR

= Clearance to edge

1st. injection

2nd injection

Overflow of

1st. injection

ØA

X = Anchorage spacing

Spiral reinforcement

L x n turns (pitch = H/n)

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Eccentricity of the Center of Gravity of Strands

TypeUnit Dimensions (Inches)

0.6” ØA ØB ØC D E F G H

59mm 6-7 2.28 2.48 2.87 0.10 1.65 3.23 4.25 4.17

76mm 6-12 2.99 3.19 3.58 0.10 2.00 3.94 4.57 4.88

100mm 6-19 / 22 3.94 4.17 4.57 0.12 2.00 4.84 4.96 5.79

115mm 6-27 4.53 4.76 5.16 0.12 2.36 5.43 5.00 5.83

130mm 6-31 / 37 5.12 5.35 5.75 0.12 2.00 6.14 5.47 6.97

150mm 6-43 / 55 5.91 6.18 6.57 0.14 2.36 6.89 4.96 7.28

 VSL MULTISTRAND SYSTEMS:

PT-Plus™ Duct

Ducts PT-Plus™ SystemPolypropylene (PP) Plastic Duct

G

 

HGrout/vent

connection

E

     ø      A

      D

     ø      B

     ø      C

     ø      F

      1 .      5

      0 .      8

      8

www.vsl.net • 888-489-2687

VSL US Technical Data and Dimensions • Multistrand Duct • 0708 ©VStructural, LLC

Duct System Eccentricity Offset 1 Offset 2

59mm 6-7 0.36 0.88 1.60

76mm 6-12 0.48 1.11 2.08

100mm 6-19 0.72 1.37 2.81

100mm 6-22 0.57 1.51 2.66

115mm 6-27 0.75 1.63 3.13

130mm 6-31 0.99 1.73 3.71

130mm 6-37 0.77 1.95 3.48

150mm 6-43 1.11 1.99 4.20

150mm 6-55 0.72 2.37 3.82

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      A

      A

S t r and  p r o  j ec t i o n B

Concrete cover according

to applicable standard

B

C

D

E

E

VSLMultistrand Post-Tensioning

VSL/DSUS_M ulti_Block/C lear+ 1M 5/02 © VStructural, LLC   www.vsl.ne

Block Out Dimensions and Clearance Requirement 

D imensions in inches.

Jack Type A min.   B C D E

ZPE-23FJ   - 12.00 47.25 4.57 3.50ZPE-30   1. 18 24. 00 43. 50 5. 51 4. 00

ZPE-3   1. 18 22. 00 39. 50 7. 87 6. 00ZPE-60   1. 18 26. 00 43. 50 7. 09 5. 50ZPE-7A   1.18 32.00 47.25 11.81 8.00

ZPE-12St2   1.97 28.00 51.25 12.20 8.00ZPE-200   1.97 44.00 82.75 12.99 8.25

ZPE-19   1.97 34.00 59.25 15.35 10.00ZPE-460/31   2.36 28.00 59.25 19.09 12.00

ZPE-500   3.15 46.00 78.75 23.03 13.00ZPE-750   3.15 54.00 90.75 22.44 14.50

ZPE-1000   3.15 52.00 86.75 31.10 17.75ZPE-1250   3.54 54.00 88.75 25.98 14.75

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VSLMultistrand Post-Tensioning

Stressing Jack Data 

Type I (ZPE-23FJ) 

Type II (ZPE-19) Type III (ZPE-500)  

Designation    Z PE-2 3 FJ Z PE-3 0 Z PE-3 Z PE-6 0 Z PE-7 A   ZPE-12St2   ZP E-2 0 0 Z PE -1 9   ZPE-460/31   Z P E-5 0 0 Z PE -7 5 0   ZPE-1000

Type I III III III III II III II II III II III

Length (in)   31.10 28.35 18.70 24.21 27.17 21.65 37.80 29.53 22.83 39.37 46.65 47.24Diameter (in)   4.57 5.51 7.87 7.09 11.02 12.20 12.40 15.35 19.09 21.65 20.47 31.10Stroke (in)   7.87 9.84 6.30 9.84 6.30 3.94 11.81 3.94 3.94 7.87 5.91 7.87Piston area (in^ 2)   7.30 9.04 16.06 19.59 31.56 47.96 50.48 77.55 124.62 138.66 193.29 280.47Capacity (kips)   52 72 112 142 239 416 450 652 1048 1124 1686 2248

Pressure (psi)   7078 7963 7005 7252 7585 8673 8905 8412 8412 8108 8717 8021Weight (lb)   51 62 104 163 254 333 672 648 959 2346 2425 5049Used for 13 mm 5-1 5-1 5-2, 5-3 5-2 5-6, 5-7 5-12 5-12 5-18 5-22 5-22 5-31 5-37(0.5'') tendon types to 5-4 5-19 5-31 5-31 5-37 to 5-55Used for 15 mm 6-1 6-1 6-2 6-2, 6-3 6-4 6-6, 6-7 6-6, 6-7 6-12 6-18, 6-18 6-31 6-31(0.6'') tendon types 6-19 to 6-22 to 6-43

O ther sizesavailable on request