strand anchor systems - Con-Tech Systemscontechsystems.com/cts-cd/Strand/Catalogue.pdf · STRAND ANCHOR SYSTEMS ... kips kN kips kN in mm in mm 1 0.217 140 58.6 261 46.9 209 2.20

Str

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St-1

STRAND ANCHOR SYSTEMS

for

Permanent and Temporary Rock and Soil Anchors

BURIED STRUCTURES

EXCAVATION SHORINGTRANSMISSION LINESAND ANTENNAS

TUNNELS

RETAINING WALLS DAM-TIEDOWNS

Applications

February 2011

Con-Tech Systems Ltd. Western D ivision: (604) 946-5571 Email: [email protected] D ivision: (61 3) 342-0041 Website: www.contechsystems.com

Str

and A

nchor

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Str

and A

nchor

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Table of Contents

Strand Anchor Brochure (contains Technical Data) St- 4

Technical Data St 5

Corrosion Protection St- 6

Sample Anchor Assemblies St- 9

Anchor Heads St-17

Stressing St-18

Accessories St-21

Post Grouting System St-27

Geotextile Sock St-31

Contents


Str

and A

nchor

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ms

St-4

I N D E X

I. Introduction Page 2

II. CTS Strand Anchors Page 3

III. Advantages Pages 4, 5

IV. Anchor Types & Technical Data Pages 6,7

V. CTS Quality Control Page 8

VI. CTS Anchor Monitoring Page 9

VII. CTS Strand Anchor Installation Sequence Page 10

VIII. Typical CTS Strand Anchor Applications Page 11

IX. Seismic Retrofit Page 12

STRAND ANCHOR BROCHURE


Str

and A

nchor

Syste

ms

St-5

CTS

Str

and

Anc

hors

, Tec

hnic

al D

ata

CTS

Roc

k an

d S

oil A

ncho

rs m

eet t

he A

STM

A-4

16 o

r AS

TM A

-488

(epo

xy c

oate

d st

rand

) spe

cific

atio

ns fo

r 0.6

", 7

wire

stra

ndU

ltim

ate

stre

ss (f

pu)

270

ksi

1861

.65

N/m

m2

Wei

ght p

er s

trand

0.74

lbs.

/lf1.

10kg

/m

No.

of

Stra

nds

inch

2m

m2

kips

kNki

pskN

inm

min

mm

10.

217

140

58.6

261

46.9

209

2.20

562.

461

20.

4328

011

7.2

521

93.7

417

2.20

562.

461

30.

6542

017

5.8

782

140.

662

62.

2056

2.4

614

0.87

560

234.

410

4318

7.5

834

2.50

633.

691

51.

0970

029

3.0

1303

234.

41,

043

3.15

803.

691

61.

3084

035

1.5

1564

281.

21,

251

3.15

803.

691

71.

5298

041

0.1

1824

328.

11,

460

3.15

803.

691

81.

7411

2046

8.7

2085

375.

01,

668

3.94

100

4.7

119

91.

9512

6052

7.3

2346

421.

81,

877

3.94

100

4.7

119

102.

1714

0058

5.9

2606

468.

72,

085

3.94

100

4.7

119

112.

3915

4064

4.5

2867

515.

62,

294

3.94

100

4.7

119

122.

6016

8070

3.1

3128

562.

52,

502

3.94

100

4.7

119

132.

8218

2076

1.7

3388

609.

32,

711

4.49

114

4.7

119

143.

0419

6082

0.3

3649

656.

22,

919

4.49

114

4.7

119

153.

2621

0087

8.9

3909

703.

13,

128

4.92

125

5.7

145

163.

4722

4093

7.4

4170

750.

03,

336

4.92

125

5.7

145

173.

6923

8099

6.0

4431

796.

83,

545

4.92

125

5.7

145

183.

9125

2010

54.6

4691

843.

73,

753

4.92

125

5.7

145

194.

1226

6011

13.2

4952

890.

63,

962

4.92

125

5.7

145

306.

5142

0017

57.7

7819

1406

.26,

255

N/A

N/A

6.9

175

4710

.20

6580

2753

.712

250

2203

.09,

800

N/A

N/A

9.5

241

6013

.02

8400

3515

.415

638

2812

.312

,510

N/A

N/A

on re

ques

t92

19.9

612

880

5390

.323

978

4312

.219

,182

N/A

N/A

on re

ques

t

(AP

S)

(fpu

*AP

S)

(0.8

*fpu

*AP

S)

Cor

ruga

ted

She

atin

g (o

.D.)

PV

CH

DP

EC

ross

Sec

. Are

aU

ltim

ate

Load

Max

. Jac

king

Loa

d

They

are

in a

ccor

danc

e to

:"R

ecom

men

datio

ns fo

r Pre

stre

ssed

Roc

k an

d S

oil A

ncho

rs",

Pos

t Ten

sion

ing

Inst

itute

(PTI

), P

hoen

ix, A

Z, 2

005

Frou

rth E

ditio

n, P

TI 1

0-20

05

"Tie

back

s", F

HW

A-R

D-8

2-04

7, F

eder

al H

ighw

ay A

dmin

istra

tion,

Was

hing

ton

DC

, 198

3"G

roun

d A

ncho

rs a

nd A

ncho

red

Sys

tem

s", G

eote

chni

cal E

ngin

eerin

g C

ircul

ar N

o. 4

, Fed

eral

Hig

hway

Adm

inis

tratio

n, W

ahin

gton

DC

, FH

WA

-IF-9

9-01

5, 1

999

The

drill

hol

e si

ze c

hose

n sh

ould

allo

w fo

r a m

inim

um g

out c

over

ove

r the

cor

ruga

ted

shea

th o

f 0.5

" (12

.7 m

m).

If ou

r pos

t-gro

ut p

ress

ure

lines

are

use

d,

allo

w fo

r a m

inim

um o

f 1" (

25.4

mm

) gro

ut c

over

on

the

side

whe

re th

e gr

out p

ipe

is a

ssem

bled

.

Our

cen

traliz

ers

are

mad

e to

allo

w fo

r a m

inim

um o

f 0.5

" (12

.7 m

m) g

rout

cov

er o

r to

a sp

ecifi

ed s

ize.

The

y ar

e av

aila

ble

as s

ingl

e w

ing

parts

(a m

inim

um o

f 3

win

gs is

requ

ired

per l

ocat

ion)

or a

s m

ultip

le w

ing

elem

ents

.O

ur s

trand

org

aniz

ers

are

fabr

icat

ed to

pro

vide

the

min

imum

stra

nd s

paci

ng re

com

men

ded

in th

e P

TI m

anua

l.

STRAND, Technical Data

Technical Data


Str

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St-6

Corrosion Protection Classification

In the 2004 Recommendations for Prestressed Rock and Soil Anchors(Fourth Edition, endorsed by ADSC), the Post-Tensioning Institute,

Phoenix, defines two classes of Corrosion Protection:

Class I, Encapsulated Tendons

(often referred to as

double corrosion pro-tected, DCP).

Class II, Grout Protected

Tendons (often referred

to as single corrosionprotected, SCP).

Class

These classes are further outlined

Protection Requirements

Anchorage Unbonded Tendon Bond

Length Length

I

Encapsulate

d

Tendon

II

Grout

Protected

Tendon

1. Trumpet

2. Cover, if

exposed

1. Trumpet

2. Cover, if

exposed

1. Grease-filled

sheath, or

2. Grout filled

sheath, or

3. Epoxy for fully

bonded

Anchors

1. Grout filled

encapsula-

tion, or

2. Epoxy

1. Grease filled

sheath

2. Heat Shrink

sleeve

Grout

Corrosion Protection


Str

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St-7

Anchor Service Live

Temporary (24 Month)

AggressivityAggressivity

Agressive Non-AgressiveNon-Agressive Not Known orAggressive

Class IIProtection

Class IProtection

Class IProtection

Class IProtection

Class IIProtection

Incremental inPlace Costs

Consequencesof Failure

Inexpensive Expensive

Serious Not Serious

None

Corrosion Protection Decision Treeas recommended by the PTI and endorsed by the ADSC



Simple Corrosion Protection

Class II

Fre

e S

tre

ssin

g L

en

gth

Bo

nd

Le

ng

th

Fin

al G

rou

t, if

req

uire

dA

nch

or

Gro

ut

Strand(bare)

Strand Spacer &Organizer

Gripper

Anchor Head

Bearing Plate

Centralizer

Cover Cap (if req.)

Corrosion Inhibitoror Grout (if req.)

Strand(encapsulated)

Seal

Trumpet (if req.)

Seal (if req.)

Str

and A

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St-8



Str

and A

nchor

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St-9

Double Corrosion Protection

Class IS

tra

nd

Bo

nd

Le

ng

thF

ree

Str

essin

g L

en

gth

An

ch

or

Gro

ut

Fin

al G

rou

t

Overlap2 min.

Strand(bare)


Gripper

Anchor Head

Bearing Plate

Centralizer

Cover Cap (if req.)

Corrosion Inhibitoror Grout (if req.)


Seal

CorrugatedSheathing(HDPE or PVC)

Grout Cap

Cement Grout(field or factory

installed)

Trumpet

Seal

Sample Anchor Assemblies, Bare Strand


Str

and A

nchor

Syste

ms

St-10

Str

an

d B

on

d L

en

gth

Fre

e S

tre

ssin

g L

en

gth

An

ch

or

Gro

ut

Fin

al G

rou

t

Strand(bare)


Gripper

Anchor Head

Bearing Plate

Centralizer

Seal

CorrugatedSheathing(HDPE or PVC)

Grout Cap

Cement GroutPlug (2-0 length)

Cement Grout(field installed)

Cover Cap (if req.)

Corrosion InhibitorGrout (if req.)

Seal


Trumpet

Multiple Corrosion Protection

Class I



Str

and A

nchor

Syste

ms

St-11

First

Sta

ge

Gro

ut

Se

co

nd

Sta

ge

Gro

ut

Fre

e S

tre

ssin

g L

en

gth

Bo

nd

Le

ng

th

Strand(epoxy coated)


Gripper

Anchor Head

Bearing Plate

Centralizer

Cover Cap (if req.)

Corrosion Inhibitoror Grout (if. req.)

Passive Anchor


Class I



Str

and A

nchor

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ms

St-12

First

Sta

ge

Gro

ut

Se

co

nd

Sta

ge

Gro

ut

Fre

e S

tre

ssin

g L

en

gth

Bo

nd

Le

ng

th

Strand(epoxy coated &encapsulated)

Seal

Strand(epoxy coated)


Gripper

Anchor Head

Bearing Plate

Centralizer

Trumpet

Seal

Cover Cap

Corrosion Inhi-bitor or Grout

Active Anchor


Class I

Sample Anchor Assemblies, Epoxy Coated Strand


Str

and A

nchor

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ms

St-13

P.E. TUBING

CORROSION INHIBITOR

CTS - ENCAPSULATED STRAND OTHER - EXTRUSION COATED STRANDEPOXY COATED STRANDFLO-FIL - FLO-BOND

P.E. TUBING

CORROSIONINHIBITOR

CTSSTRA1

QUADRUPLE PROTECTION

DOUBLE PROTECTION

TYPICAL SECTIONS THRU FREE-STRESS (UNBONDED) LENGTH

P.E. OR P.V.C. SHEATH

CEMENT GROUTP.E. TUBING

CORROSION INHIBITOR

GROUT TUBE

STRAND ANCHOR TENDONS

Corrosion Protection System In Unbonded Length

Sample Anchor Assemblies, Epoxy Coated Strand


Str

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nchor

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ms

St-14

Horizontal Off-Coiler

Off-Coiler


Str

and A

nchor

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ms

St-15

Vertical Off-Coiler

Vertical Off-Coiler


Str

and A

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St-16

Anchor Head Design

A C

B TRUMPET, AS REQUIRED

BEARING PLATE, AS REQUIRED

ANCHOR HEAD

A: Anchor Head Diameter B: Anchor Head Height

C: Bearing Plate Hole Diameter

No. of

StrandsA*

inch mm

B*

inch mm

C*

inch mm

4

7

9

12

15

19

30

47

60

92

5.13 130.18

5.50 139.70

5.88 149.23

7.50 190.50

8.00 203.20

10.00 254.00

11.00 279.40

14.25 361.95

16.00 406.40

18.00 457.20

2.38 60.33

2.38 60.33

2.75 69.85

2.75 69.85

3.50 88.9

4.00 101.6

5.00 127

7.00 177.8

8.00 203.2

8.00 203.2

3.5 85.73

4.1 101.60

4.25 104.14

4.9 119.38

5.75 140.65

7.1 175.26

8.25 209.55

9.90 251.46

11.84 300.74

14.00 355.6

*Note: Conversion from inch to mm calculated using 4 significant digits

Numbers rounded to 2. significant digit

Standard Anchor Heads (can be made restressable)

Anchor Heads


Str

and A

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Syste

ms

St-17

STRESHE1

(TWO)1" WINDOWS

A + 1/8

RESTRAINER PLATE(ADJUSTABLE)

Stressing Chair

A: Anchor Head Diameter(see drawing and Table Anchor Head Design p. St-17)

Note:

Open stressing chair required for anchors with more than 19 strands and for per-

formance testing with long free stressing length.

Available for all Anchor Heads up to 19 strands

Stressing


Str

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ms

St-18

Double Acting -

Hollow Ram Anchor Stress Jack

Stressing


CTS-CBJ-3 1 3.0 5.0 25 TONS 0.70" 4.25" 8.00" ALUM 10

CTS-25-8 1 8.0" 5.0 25 TONS 0.70" 4.50" 13.00" ALUM 20

CTS-50 Titan 4.0" 10.3 50 TONS 2.12" 7.50" 9.50" ALUM 40

CTS-100 4 6.0" 21.0 100 TONS 2.00" 7.00" 12.50" STEEL 90

CTS-100 4 8.0" 21.0 100 TONS 3.50" 10.00" 16.00" ALUM 120

CTS-120 5 6.5" 24.3 120 TONS 3.50" 9.50" 14.00" ALUM 80

CTS-150 6 8.0" 30.0 150 TONS 3.50" 10.00" 15.00" ALUM 125

CTS-150 6 10.0" 29.5 150 TONS 3.50" 12.00" 19.00" ALUM 225

CTS-200 7 7.0" 40.0 200 TONS 3.50" 11.00" 17.00" STEEL 335

CTS-200 7 9.5" 40.0 200 TONS 3.50" 12.00" 19.00" ALUM 200

CTS-200 9 9.5" 40.0 200 TONS 4.50" 11.50" 21.00" STEEL 450

CTS-300 12 18.0" 60.0 300 TONS 5.25 14.00" 27.50" STEEL 875

CTS-300 12 18.0" 60.0 300 TONS 5.25" 14.00" 34.00" STEEL 1350

CTS-500 15 14.0" 110.0 500 TONS 8.00" 20.00" 27.50" STEEL 1830

CTS-800 27 14.0" 160.0 800 TONS 9.50" 26.50" 32.50" STEEL 3600

CTS-2200 92 35.0" 440.0 2200 TONS 16.00" 38.50" 55.00" STEEL 13000

MAXIMUM

MODEL RAM AREA LOAD @ CENTRE CYLINDER HEIGHT WEIGHT

NUMBER USAGE STROKE (INCH2) 10,000 PSI HOLE I.D. O.D. Collapsed MATERIAL (LBS.)

HEIGHT STROKE

CYLINDER O.D. CENTER HOLE ID.

Str

and A

nchor

Syste

ms

St-19

Stressing


CROSS-SECTION

1.3"

+-7

DETAIL-A

O - RING

2"

12TE

ETH

PE

R IN

CH

10'DETAIL-A

FOR 0.6" 270 KSIEPOXY COATED STRAND

CROSS-SECTION

1 3/8

DETAIL-B

7 10'-+

DETAIL-A

O - RING

DETAIL-A

26TE

ETH

PE

R 2

5.4m

m

2

FOR 0.6" 270 KSI STRAND

DETAIL-B

4

Grippers, for bare and epoxy coated strand

MATERIAL SPECIFICATIONS: 32 mm (1 1/4) BAR

STOCK 12 L 14 MATERIAL

CASE HARDNESS: ROCKWELL, ON C-SCALE 59 TO 65,

12/1000 TO 15/1000 DEEP

TOLERANCE: UNLESS OTHERWISE SPECIFIED 0.4 mm

(1/64)

MATERIAL SPECIFICATIONS:

35 mm (1 3/8) BAR

STOCK 12 L 14 MATERIAL

CASE HARDNESS:

ROCKWELL, ON C-SCALE 59

TO 65, 12/1000 TO 15/1000

DEEP

TOLERANCE:

UNLESS OTHERWISE SPECI-

FIED 0.4mm (1/64)

NOTE

THIS GRIPPER HAS BEEN

DESIGNED AND TESTED BY

FLORIDA WIRE CO. FOR USE

WITH 0.6" FLO-FIL-BOND,

EPOXY COATED STRAND

These grippers are tested and approved by CALTRANS

2 Part Gripper for bare strand

3 Part Gripper for epoxy coated strand

Str

and A

nchor

Syste

ms

St-20

Strand Coupler

STRAND

3 3/4"

7 1/2"

1 3/

4"

3 3/4"

INSPECTION HOLES

strcoup1

THIS COUPLER DEVELOPS THE MINIMUM ULTIMATE STRENGTH OF

THE 0.6/270 KSI SEVEN WIRE STRAND

Notes:

1. Clean cut end of strand and debur (chamfer).

2. Mark strand to check proper engagement.

3. Check couplers (inside) to make sure that grippers are clean and springs are in

place.

4. Push strand into coupler and check proper engagement.

5. If strand is not properly engaged, open coupler, push grippers over strand (+1/2,

12.7 mm) and close coupler.

6. To assure proper gripping, coupler may be pre-tensioned with monostrand jack.

Accessories


Str

and A

nchor

Syste

ms

St-21

Accessories


Organizers

CORRUGATED H.D.P.E OR P.V.C. SHEATH

CORRUGATED H.D.P.E OR P.V.C. SHEATH

ORGAINZER

ORGAINZER

1/8"

1 13

/16"

(

46M

M)

I.D

. 1 1

5/16

"

(49M

M)

0.D

. 2 1

/4"

(5

6MM

)

1 5/8" (41MM)

O.D. OF ORGANIZED STRAND

MATERIAL SPEC.: HARD P.V.C.OR H.D.P.E.

TYPICAL CTS-ORGANIZER, UP TO 4 STRANDS

TYPICAL CTS-ORGANIZER, UP TO 9 STRANDS(LARGER, UP TO 60 STRAND, ALSO AVAILABLE)

2 1/

2"

CTSSPAC1

Str

and A

nchor

Syste

ms

St-22

Centralizer

(INCHES) (INCHES)

MIN. WALL THICKNESS

(INCHES)(INCHES)(INCHES)(INCHES)

3.00

2.50

2.00

1.50

1.25

1.00

.75

18.0

14.0

10.0

8.0

6.0

6.0

4.0

5.0

4.0

4.0

3.0

3.0

2.0

2.0

.216

.203

.154

.145

.167

.137

.113

.090

.140

.133

.113

.080

.080

.080

3.50

2.87

2.37

1.90

1.66

1.31

1.05

SCHED. 40SER. 200 TO O.D.FROM O.D.

SHAPED DIAMETER 'D'DIAMETEROUTSIDE

PIPE SIZENOMINAL INSIDE DIAMETER 'd'

(INCHES) (INCHES)SER. 200 SCHED. 40

1.14

.87

1.48

1.70

2.13

2.58

3.15

.80

1.03

1.36

1.59

2.05

2.45

3.04

d D

DCP AND SCP STRANDOR BAR ANCHORSOR SOIL NAILS

SCP STRANDLOCATION

DCP STRAND OR BAR SCP STRAND

DR

ILL

HO

LE

CTS CENTRALIZER SPECIFICATIONS

LENGTH

*

CENTRAL1

- CTS Centralizers are manufactured from high quality plastics and are custom made to

meet all your specifications.

- Centralizer according to specifications on job

- If not otherwise specified, space 10 on centre within bond length

Accessories


Str

and A

nchor

Syste

ms

St-23

Accessories


Installation Instructions

1. Lay out CTS - Centralizers (curve up) as shown in detail A.

2. Cut duct tape and tape onto centralizers (top and bottom)

3. Wrap pre-assembled centralizer unit around anchor with legs of unit secured in notch

of corrugations.

4. Tighten one end of unit with nylon cable tie or 2 rounds of re-bar tie wire.

5. Repeat 3 and 4 at other end. Centralizer leg can be secured in different notches to

adapt to different hole diameterc

6. NOTE: Use at least 4, to a maximum of 6 centralizers per unit.

7. Spacing as per specifications or minimum 5 on centre

1/8"

R = 3" (NORMAL)(VARIES IF SPACER IS PUSHEDTOGETHER OR PULLED APART)

2 1/

2"

3" TO 6" DRILL HOLE

NYLON CABLE TIESOR 2 ROUNDS OF RE-BAR WIREON 2 LAYERS OF DUCT TAPE

7/8"

Banana1

DETAIL A

MIN

. MIN

.

Standard Single Wing Centralizer

Str

and A

nchor

Syste

ms

St-24

Heavy Duty (HD) Double Wing Centralizer

Please note:

Installation instructions

on page 25


Str

and A

nchor

Syste

ms

St-25

Post Grouting System


PREAMBLE

Post-Grouting improves the bond between the anchor grout and the soil

by creating pressure zones (bulbs) at the location of the valves on the

post-grout line. It is mainly used in cohesive soils to increase the skin

friction.

The CTS post-grouting system is a single line system with an internal

flushing line (ring lines have been used as well in the past but found to

take up to much space in the drill hole).

The enclosed (full size) drawing shows all the details. A valve section

consists of a 20 ft. PVC pipe C/W 4 valves and one end cap. If required

an additional valve section (20 ft) can be glued to the first one at the

bell end. At the upper end of the grout pipe (PVC) a thread adapter

should be glued on.

Installation Sequence

1. After the grout line is assembled (glued together) the line should be

taped to the anchor with the bottom of grout line two ft up from the

bottom of the anchor.

2. Place first stage anchor grout through separate grout line (neat

cement grout or with sand or gravel added). If neat cement grout,

water cement ratio should be W/C = 0.45.

3. Immediately after first stage grouting flush out post grout line with

clean water by pushing down the flush line to the bottom of the post

grout line. If water runs out clear, pull out flush line and leave water

inside post-grout line.

POST - GROUTING SYSTEMS

Str

and A

nchor

Syste

ms

St-26

4. After initial set or max. twenty four hours after the first stage

grouting start pressure grouting through the post grout line with a

high pressure pump capable of 1000 PSI. First start with water to

open the valves, this could take up to 1000 PSI pressure.

5. When pressure drops (valves open up) or no significant pressure

rise, switch over to neat cement grout W/C of0.5 to 0.6. NOTE:

Make sure that grout is mixed thoroughly and is without any lumps.

Pump grout until pressure rises. If pressure does not rise after

several bags of cement, stop pumping and flush out grout line with

water.

6. Twenty four hours later repeat 5 above until a pressure of at least

400 PSI is reached (depending on ground conditions, final pressure

should be between 200 and 100 PSI). Flush out grout line with

water.

7. After anchor is successfully tensioned fill post-grout pipe with grout.



Str

and A

nchor

Syste

ms

St-27


BE

LL

EN

D4

'-0

"2

'-0

"4

'-0

"4

'-0

"

20

' PIP

E S

EC

TIO

N

SE

CT

ION

SE

CT

ION

WA

TE

R F

LU

SH

LIN

E

3/8

" O

.D.,

1/4

" I.

D.T

UB

E

A

B

1/2

" S

CH

ED

. 4

0 P

.V.C

. (B

EL

LE

ND

S)

PO

ST-G

RO

UT

PIP

E (

0.8

4"

O.D

.)O

TH

ER

SP

EC

SA

VA

ILA

BL

EA

S W

EL

LRU

BB

ER

VA

LV

E

GR

OU

TH

OL

E

NO

TE

S:

VA

LV

ES

AT

4'-0

" O

.C.

BO

TT

OM

VA

LV

E 4

'-0

" F

RO

M E

ND

OF

AN

CH

OR

AN

D 2

'-0

" F

RO

M E

ND

OF

EN

D C

AP

MIN

IMU

M O

F 2

VA

LV

ES

10

00

PS

I

PR

ES

SU

RE

GR

OU

TH

OS

E F

ITT

ING

RU

BB

ER

VA

LV

E

1/2

" I.

D.

P.V

.C.

PIP

E

EN

D C

AP

GL

UE

D O

N

PV

C5

AB

WA

TE

R F

LU

SH

LIN

E

Str

and A

nchor

Syste

ms

St-28

HO

PP

ER

GR

OU

TM

IXE

R

GR

OU

TP

UM

P

GA

UG

E

CO

UP

LIN

G50

0 - 1

000

PS

I(3

5 - 7

3 B

AR

)

CIR

CU

LAT

ION

LIN

EIN

SE

RT

FLU

SH

LIN

EA

T C

OU

PLI

NG

AN

CH

OR

PO

ST

GR

OU

TIN

GV

ALV

ES

CT

SP

OS

T2

Flow Diagram



Str

and A

nchor

Syste

ms

St-29

Geotextile Grouting Sock


GEO-SOCK

ANCHOR GROUT TUBE

GROUTING SOCK

CLAMP

CLAMP

NOTES:

1. Tape grout tube to anchor, starting

1-0 from bottom of anchor.

2. Place geotextile sock over anchor

and grout tube.

3. Fix and tighten the ends of the sock

by wire or hose clamps.

4. Tape sock (not too tight) to anchor.

5. Insert anchor into drill hole.

6. Pump grout through grout tube

inside sock with 8 to 12 bar (100

psi) pressure and fill and expand

the sock. Effected by this pressure

grouting, the grout mix is dehydrat-

ed, the water is pressed out of the

fine mesh leaving the cement to

cure faster.


Str

and A

nchor

Syste

ms

St-30

MATERIAL SPECIFICATION

GRAB TENSILE STRENGTH

GRAB TENSILE ELONGATION

MULLEN BURST

PUNCTURE

TRAPEZOID TEAR

UV RESISTANCE

APPARENT OPENING SIZE

PERMITTIVITY

FLOW RATE

ASTM D-4632

ASTM D-4632

ASTM D-3786

ASTM D-4833

ASTM D-4533

ASTM D-4355

ASTM D-4751

ASTM D-4491

ASTM D-4491

N

%

kPA

N

N

%

UM

s-1

l/(s*m2)

400

50

1551

290

200

70

200

2.5

119

PROPERTYTEST

METHODUNITS

NONWOVEN

4545-C14

Geotextile Grouting Sock Specifications



Documents

strand anchor systems - Con-Tech Systemscontechsystems.com/cts-cd/Strand/Catalogue.pdf · STRAND ANCHOR SYSTEMS ... kips kN kips kN in mm in mm 1 0.217 140 58.6 261 46.9 209 2.20