GROUNDANCHORING

ConstruCtion and Civil ContraCting

GROUNDANCHORING

GROUND ANCHORING CAPABILITY2

WELLINGTON DAMSTRENGTHENINGpROjECT

3GROUND ANCHORING CAPABILITY

GEOTECHNICAL SPECIALISTS

At SRG, we provide all the essential resources for all facets of geotechnical work. Supported by highly experienced management teams, we can provide technical and practical expertise from design to execution.

Our capability is supported by an involvement with relevant industry groups, as well as partnerships and interactions with global experts in the geotechnical field.

SRG are well equipped to undertake projects wherever the location - our proven track record and experience in geotechnical projects, as well as our focus on safety, quality and environment ensures SRG are the right people for the job.

EXCELLENCE

SRG highly value the relationships we build with out clients and we seek to deliver first class results to all of our projects. The repeat business we receive is a testament to the value, performance and quality we deliver.

SAFETY, QUALITY, ENVIRONMENT

Safety, Quality and the Environment are paramount to SRG. We believe that responsible health and safety management and superior performance is integral to an efficient and successful project.

Being a customer focused organisation with an intense desire to be the best in our field, SRG operates and complies with the requirements of the following Quality Management, Environmental Management and Occupational Health & Safety Management Systems.

Occupational Health & Safety Management System

AS/NZS 4801:2001

OHSAS 18001

Quality Management System

ISO 9001:2008

Environmental Management System

AS/NZS ISO 14001:2004

SRG has also Federal Safety Commission accreditation.

srg is a well established professional engineering and

contracting operation with over 50 years experience.

We are currently operating from offices throughout

australia as well as Hong Kong and the Middle East.

They are an essential part of modern foundation, abutment and excavation designs as they can deliver hold-down forces of over 2000 tonnes per anchor within a very compact package.

SRG is one of the world’s leading ground anchor specialists. Our skills in permanent anchoring technology are unsurpassed. We have been developing, designing, installing and monitoring ground anchors throughout Australasia since the 1960’s. Our expert team is continuing to develop the next generation in anchoring technology. We have designed and installed the largest and longest permanent anchors ever used in the world.

SRG are the answer to your next anchoring project. Although synonymous with major landmark projects, the same level of professionalism, quality and performance is delivered regardless of the project scale. Any enquiry to assist with the development or undertaking of specialist anchoring is welcomed.

The design and installation of anchoring systems requires a high level of diligence if premature failure is to be avoided. Equally vital is testing and monitoring of any anchor system both before and after it enters service.

SRG has the resources to test installed anchors of any size for compliance with ISO standards, even in the most difficult locations.

SRG provides design and installation services for ground anchors for all situations, including:

�� Dam walls

�� Retaining structures

�� Cable-stay anchor blocks

�� Bridge abutments

�� Slope stability

�� Wind or seismic resistance

�� Hydrostatic uplift

The SRG approach is to deliver the highest quality ground anchors, we do this by offering the following:

�� Premium corrosion protection to optimise life expectancy

�� Working with the client to create the solution for the project needs

�� Maintaining market leadership through continued research and development

�� Pledging excellence and exceptional client value from design through to the installation of anchors

�� Ensuring site works duration is kept to a minimum to deliver maximum value..

World’s largest capacity permanent anchors, with a breaking load of over 25,389kN (2,589 tonnes) at Catagunya Dam in Tasmania.

ground anchoring is the generic term applied to

systems which mechanically fix structures to the

ground to resist load.

GROUNDANCHORING

GROUND ANCHORING CAPABILITY4

5GROUND ANCHORING CAPABILITY

PROJECT STATISTICS - DAMS ANCHORED BY SRG

DAM LOCATION YEAR HEIGHT (m)

NO. ANCHORS

MAX ANCHOR

TENDON MBL kN LENGTH (m)

Scrivener Dam Australian Capital Territory

2013 33 60 1 x 50ø 2,022kN 6.0

Roseires Dam Republic of Sudan 2012 78 237 55 x 15.24mm 14,300kN 31.7

Wellington Dam Western Australia 2010 32 45 91 x 15.7mm 25,389kN 69.9

Tinaroo Falls Dam Queensland 2010 40 32 75 x 15.7mm 20,925kN 79.0

Catagunya Dam Tasmania 2009 49 92 91 x 15.7mm 25,389kN 78.0

Laanecoorie Dam Victoria 2008 22 14 27 x 15.2mm 6,750kN 49.1

Goulburn Weir Victoria 2008 16 8 7 x 15.2mm 1,750kN 44.0

Lake Manchester Dam Queensland 2007 38 69 65 x 15.2mm 16,250kN 105.0

Ross River Dam Queensland 2006 30 9 50 x 15.2mm 12,500kN 51.0

Canning Dam Western Australia 2000 70 166 91 x 15.2mm 23,751kN 139.2

Hume Dam NTW Victoria 1998 20 14 27 x 15.2mm 6,750kN 55.0

Lower South Dandalup Western Australia 1997 10 16 20 x 15.2mm 5,000kN 41.4

Hume Dam STW Victoria 1997 20 15 27 x 15.2mm 6,750kN 49.2

Bickley Dam Western Australia 1990 13 32 12 x 15.2mm 3,000kN 30.0

Glenmaggie Dam Victoria 1989 37 70 52 x 15.2mm 13,670kN 69.0

Mt Cole Dam Victoria 1986 22 40 48 x 7mm 5,559kN 40.0

Chichester Dam New South Wales 1983 43 97 132 x 7mm 8,633kN 70.0

Transporting 70m long, 91 strand anchor from the fabrication yard to the dam wall at Wellington Dam in Western Australia.

GROUND ANCHORING CAPABILITY6

STRAND TYpE ANCHORS

TEMPORARY ANCHOR

PERMANENT ANCHOR

7GROUND ANCHORING CAPABILITY

TYPICAL GROUND ANCHOR TENDON CONFIGURATIONS

TENDON STRAND / BAR SIZE

mm

MAXIMUM STRANDS PER UNIT

No.

MINIMUM BREAKING

LOAD

kN(1)

BORE HOLE DIAMETER PERMANENT ANCHOR SHEATH SIZE ID / OD

BEARING PLATE SIZE

TYPICAL

mm

TEMPORARY ANCHORS

mm

PERMANENT ANCHORS

mm

CORRUGATED

mm

SMOOTH

mm

STRAND

15.2mm

or

15.7mm

2

4

7

12

19

22

27

31

42

55

65

91

500

1000

1750

3000

4750

5500

6750

7750

10500

13750

16250

22750

76

89

102

114

165

165

178

178

229

241

254

311

102

127

152

178

216

216

216

216

311

311

311

350

50 / 65

65 / 85

80 / 100

100 / 120

125 / 165

125 / 165

125 / 165

125 / 165

210 / 230

210 / 230

210 / 230

250 / 280

55 / 63

67 / 75

82 / 90

102 / 110

150 / 160

150 / 160

150 / 160

150 / 160

225 / 235

225 / 235

225 / 235

267 / 280

200 x 200 x 32

200 x 200 x 36

300 x 300 x 50

350 x 350 x 60

400 x 400 x 70

450 x 450 x 80

500 x 500 x 80

500 x 500 x 90

600 x 600 x 100

700 x 700 x 120

700 x 700 x 140

900 x 900 x 160

91+ under development - refer SRG

STRAND

12.7mm

or

12.9mm

2

4

7

368

736

1288

76

89

102

102

127

152

50 / 65

65 / 80

80 / 100

55 / 63

67 / 75

82 / 90

200 x 200 x 32

200 x 200 x 36

250 x 250 x 40

larger sizes on request - refer SRG

MACALLOY BAR

26.5

32

40

50

75

1

1

1

1

1

569

828

1295

2022

4311

76

102

102

127

152

127

152

152

175

203

65 / 80

80 / 100

80 / 100

100 / 127

130 / 150

n/a

n/a

n/a

n/a

n/a

200 x 200 x 40

250 x 250 x 50

300 x 300 x 60

300 x 300 x 60

400 x 400 x 90

Notes: (1) 15.2mm strand 250kN or 261kN, 15.7mm 279kN

• Strand tendons are based on MBL = 184kN (12.7mm strand) and MBL = 250kN (15.2mm strand) (higher strand / anchor capacities available on request)

• Details listed apply to typical applications and may vary to suit actual applications

• Macalloy Bar tendons are more commonly used for short anchor lengths

• Macalloy Bar anchor details exclude allowance for coupling of bars - refer SRG for details if required

PERMANENT BAR ANCHOR

TEMPORARY BAR ANCHOR

AbOUTUS We are an Australian complex services company. We solve the challenging and difficult problems that others can’t. Our vision is to make the complex simple for our customers.

We have people working across Australia and the world bringing our unique blend of innovation, precision, technical excellence and safety to every mining and infrastructure project we touch.

Since 1961, we have worked on many of the iconic stadiums, skyscrapers, bridges, dams, structures and mining projects, both here in Australia, and overseas.

That’s because we’re not afraid to challenge what is considered possible.

SRGLIMITED.COM.AU

CALL 1300 775 477 +61 8 9267 5400

GET TO kNOW US AT SRGLIMITED.COM.AU

AUSTRALIA / AFRICA / MIDDLE EAST / ASIA PACIFIC / HONG KONG

Issu

e 2

015

/08