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DSI USA  ›  Products  ›  Geotechnical Systems  ›  DYWIDAG Rock Bolts  ›  System Description
THREADBAR® Resin Anchored Rock Bolts

THREADBAR® Resin Anchored Rock Bolts

System Description

Resin bolts, bonded to rock or concrete by a fast curling polyester resin grout, are used extensively for slope stabilization, tie backs, tie downs, and for roof bolts. The resin grout develops a bond superior to that developed by cement grout. Fast gelling resin allows transfer of load to the rock formation within minutes after installing the bolt. The DYWIDAG THREADBAR® provides a simple, economical and rugged solution to both tensioned and non-tensioned rock bolts and rock anchors when installed within resin grout.

DYWIDAG THREADBAR®s for prestressing conforming to ASTM A 722 are available in 1 (26 mm), 1-1/4 (32 mm) and 1-3/8 (36 mm) nominal diameters. DYWIDAG THREADBAR®s - for reinforcing - conforming to ASTM A 615 are available in size #6 through #20.

The rolled-in DYWIDAG thread pattern has no effect on the overall strength or effective area of the threadbar. Conventional rebar and other steels have a reduction of 25 % to 30 % in effective area when machined threads are applied.

Available in mill lengths to 60', the DYWIDAG THREADBAR®s may be cut to specified lengths before being shipped to the job site or, where circumstances warrant, THREADBAR®s may be shipped in mill lengths for field cutting with a portable friction or band saw.

The DYWIDAG THREADBAR®s are used extensively for rock anchors because of their versatility, strength, performance characteristics, and off-the-shelf availability of the most components.

The DYWIDAG THREADBAR®s for prestressing and reinforcing have a continuous rolled-in pattern of threadlike deformations along their entire length. More durable than machined threads, the deformations allow anchorages and couplers to thread on the threadbar at any point.

The strength of the DYWIDAG THREADBAR® Anchorages and Couplers for prestressing exceeds the requirements of ACI 318. Test reports are available for the main components of the system. Anchorages and couplers for DYWIDAG THREADBAR®s for reinforcing develop a minimum of 125 % of the guaranteed yield strength of the threadbar.

THREADBAR®s may be coupled to facilitate installation in confined areas or to allow removal of prebolted overcast and resetting of anchors. DYWIDAG THREADBAR® Anchors can be extended into a structure or function as a form tie.

The components of the DYWIDAG THREADBAR® System are manufactured in the United States exclusively by DYWIDAG-Systems International.

DYWIDAG Rock Bolts - Grouted Bolt
 Grouted Bolt
DYWIDAG Rock Bolts - Resin Bolt
 Resin Bolt
DYWIDAG Rock Bolts - Expansion Shell Bolt
 Expansion Shell Bolt

Polyester resin is packaged in cartridge form and is available in various diameters and gel times. The cartridge consists of a heat sealed tube of polyester film containing both the resin and the catalyst. The resin and catalyst are separated by a barrier which prevents chemical interaction. The resin cartridges are placed in the borehole before the threadbar is inserted. The resin gels after the components are mixed during the installation of the DYWIDAG THREADBAR®.

Resin anchored rock bolts are installed in all types of rock or concrete. Track drills, tire mounted drills, jacklegs or stoppers may be used to bore the hole and install the DYWIDAG Bolt.

DYWIDAG Resin Anchors are used where expansion shells are inappropriate. The resin anchorage length is easily adjusted to fit the varying rock conditions. Resin anchored DYWIDAG Rock Bolts may be installed in bore holes located at any angle above or below horizontal.

Tension bolts with resin point anchorage are used to apply a compressive force across layered rock strata. Tension bolts may be applied using fast setting resin as the point anchorage in conjunction with slow setting resin as a corrosion protection for the free stressing length. Bolt tension is applied after the fast setting resin has cured but before the slow setting resin cures. Untensioned dowels are fully encapsulated with resin and rely on movement of the rock strata to load the bolts.

Tensioned bolts with resin point anchorage

Tensioned bolts with resin point anchorage.

 

 



Tensioned bolts fully resin anchored and grouted

Tensioned bolts fully resin anchored and grouted.

 

 



Untensioned dowels fully resin grouted

Untensioned dowels fully resin grouted.

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Israel

Construction / Post-Tensioning Systems

Post-Tensioning Systems
EVEN GEV Ltd.

Emanuel Building 31 Ha' Barzel Str. Ramat Ha'Hayal Tel Aviv 69710 Israel
Phone: +972-77-501 00 56
Fax: +972-77-501 00 57
eMail: simcha@evengev.com

Construction / Geotechnical Systems

Geotechnics
Lipsker & Co Engineering Services (1975) Ltd.

24 Trumpeldor St. 47 264 Ramat Hasharon Israel
Phone: +972-354-955 57
Fax: +972-354-946 90
eMail: eng@lipsker.co.il
Web: www.lipsker.co.il

Bahrain

Construction

Qatar Australian Construction Systems W.L.L.

Al Thumama, new Compound, Street No 911, Villa no 56 - 17, Area no 46 E Ring road, Near to Electric Office P.O. Box 24893 Doha / Qatar
Phone: +974-44-58 04 11
Fax: +974-44-69 61 89
eMail: elshazly_khaled@qacs.info

China

Construction

DYWIDAG-Systems International Far East Ltd.

Unit 905-907 9/F, Prosperity Millennia Plaza 663 King’s Road North Point Hong Kong
Phone: +852-28-33 19 13
Fax: +852-28-34 55 21
eMail: dsihk@dsife.com.hk

International Purchasing Office

DSI Consulting (Shanghai) Co. Ltd.

Room 704, Tower A Far East International Plaza No. 319 Xian Xia Road Chang Ning District, Shanghai P.R.China, 200051
Phone: +86-21-62 35 01 83
eMail: dsiconsulting.shanghai@dywidag-systems.com

Egypt

Construction

MISR DYWIDAG

20 Haroun Street El Dokki Giza Egypt
Phone: +20-2-37 61 48 69
Fax: +20-2-37 61 49 21
eMail: mail@misrdywidag.com

Construction

SPENSY

15, Nables St. 12345 Mohandessin – Giza Cairo Egypt
Phone: +20-2-33 05 82 20
Fax: +20-2-33 02 08 60
eMail: ossama.dsi@spensy.com

Indonesia

Underground

PT DSI Indonesia

Wisma Metropolitan I, 7th Floor Jl. Jend. Sudirman Kav.29 Jakarta 12920 Indonesia
Phone: +62-21-527 9123
Fax: +62-21-527 9122
eMail: enquiries@dsimining.co.id
Web: www.dsimining.co.id

Construction

PT DELTA SYSTECH INDONESIA

Wisma Ritra 2nd Floor Jl. Warung Buncit Raya No. 6 Jakarta - 12740 Indonesia
Phone: +62-21-797 02 89
Fax: +62-21-797 08 25
eMail: prestress@dsi-indonesia.co.id

Japan

Construction

SUMITOMO (SEI) STEEL WIRE CORP.

PC Technical Department 1-3-13 Motoakasaka, Minato-ku, Tokyo 107-0051 Japan
Phone: +81-3-64 06 28 12
Fax: +81-3-64 06 40 36
Web: www.sei-ssw.co.jp

Construction

SUMITOMO (SEI) STEEL WIRE CORP.

PC Technical Department 1-1-1, Koya-kita Itami, Hyogo, 664-0016 Japan
Phone: +81-72-771 05 08
Fax: +81-72-771 05 02

Construction

SUMITOMO ELECTRIC INDUSTRIES LTD.

Sales Department Special Steel Wire Division 1-1-1, Koya-kita Itami, Hyogo, 664-0016 Japan
Phone: +81-72-771 09 66
Fax: +81-72-771 05 02

Korea

Construction

DYWIDAG-Systems Korea Co. Ltd.

5th Floor, Spring Morning B/D 8, Mabang-ro, Seocho-gu Seoul 137-894 Korea
Phone: +82-2-34 72 01 41
Fax: +82-2-34 72 01 45
eMail: dywidagkor@gmail.com
Web: www.dsikorea.co.kr

Lebanon

Construction

SOPREL Liban SAL

Liban Cable Street Halate Lebanon
Phone: +961-9-44 88 60
Fax: +961-9-44 71 71
eMail: contact@soprel-liban.com
eMail: soprelpr@soprel-liban.com

Oman

Construction

DYWIDAG-Systems International

P.O. Box 234085 Dubai U.A.E.
Phone: +971-5555.00275
eMail: shemi.ps@dywidag-systems.com

Qatar

Construction

Qatar Australian Construction Systems W.L.L.

Al Thumama, new Compound, Street No 911, Villa no 56 - 17, Area no 46 E Ring road, Near to Electric Office P.O. Box 24893 Doha / Qatar
Phone: +974-44-58 04 11
Fax: +974-44-69 61 89
eMail: elshazly_khaled@qacs.info

Russia

Construction

DSI-PSK OOO

Leninsky prospekt d. 105, korp. 4 Moscow 119421 Russia
Phone: +7-495-234 25 02
Fax: +7-495-234 25 03
Web: www.psk-holding.ru

Underground

OOO DSI Techno

Vesennyaya street, 24A, off.105 650000, Kemerovo Russia
Phone: +7-3842-36-57-65
Fax: +7-3842-75-84-33
eMail: info@dsi-techno.ru
Web: www.dsi-techno.ru

Saudi Arabia

Construction

DYWIDAG-Systems International "DSI", Riyadh

P.O. Box 53039 Riyadh 11583 Saudi Arabia
Phone: +966-1-46 50 311 ext. 106
Fax: +966-1-462 42 45
eMail: malhaj@ccc.com.sa
eMail: dsihv@dywidag-systems.com

Construction / Post-Tensioning Systems

BIC Prestressed Concrete

P.O. Box 101688 Riyadh, 11665 Saudi Arabia
Phone: +966-1-278 14 79
Fax: +966-1-248 39 07
eMail: info@bic-ksa.com
Web: www.bic-ksa.com

Singapore

Construction

UTRACON STRUCTURAL SYSTEMS PTE LTD

7 E Pioneer Sector 1 Singapore 628446
Phone: +65-64-15 30 78
Fax: +65-68-63 19 28
eMail: utracon@utracon.com
Web: www.utracon.com

Underground / Tunneling

Basler & Hofmann Singapore Pte Ltd

175A Bencoolen Street #09-01 Burlington Square Singapore 189650
Phone: +65-63-39 98 84
Fax: +65-63-34 30 63
eMail: basler-hofmann@bh.com.sg
Web: www.baslerhofmann.com.sg

Taiwan

Construction

DYWITECH Co. Ltd.

13th Fl.-3, No. 163, Sec. 1, Keelung Road Taipei 110 Taiwan, R.O.C.
Phone: +886-2-27 48 10 76
Fax: +886-2-27 47 05 76
eMail: jeff.liaw@dywitech.com

United Arab Emirates

Construction

DYWIDAG-Systems International

P.O. Box 234085 Dubai U.A.E.
Phone: +971-5555.00275
eMail: shemi.ps@dywidag-systems.com

Thailand

Construction

D-Tech Postten Co., Ltd.

91/22 Suwinthawong road Minburi district, Minburi Bangkok 10510 Thailand
Phone: +66-2543-77 61
Fax: +66-2543-77 60

Underground / Tunneling

Basler & Hofmann Singapore Pte Ltd

175A Bencoolen Street #09-01 Burlington Square Singapore 189650
Phone: +65-63-39 98 84
Fax: +65-63-34 30 63
eMail: basler-hofmann@bh.com.sg
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Malaysia

Construction

D-Tech Postten Co., Ltd.

91/22 Suwinthawong road Minburi district, Minburi Bangkok 10510 Thailand
Phone: +66-2543-77 61
Fax: +66-2543-77 60

Underground / Tunneling

Basler & Hofmann Singapore Pte Ltd

175A Bencoolen Street #09-01 Burlington Square Singapore 189650
Phone: +65-63-39 98 84
Fax: +65-63-34 30 63
eMail: basler-hofmann@bh.com.sg
###value_email2### Web: www.baslerhofmann.com.sg

Mexico

Construction

DS International S.A. de C.V.

Visit www.dsiunderground.com

Underground

DS International S.A. de C.V.

Av. Aviación No 1002 Bod. 15 Parque Industrial FERRAN I San Juan de Ocotán Zapopan, Jalisco 45019 Mexico
Phone: +52-33-33 66 57 94
Fax: +52-33-33 66 58 03
eMail: dsimexico@dsiunderground.com
Web: www.dsiunderground.com

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Colombia

Construction & Underground

DSI Colombia S.A.S.

Visit www.dsi-colombia.co
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Costa Rica

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Guatemala

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Honduras

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Venezuela

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Australia

Underground & Construction

DSI Australia

Visit http://www.dsiminingproducts.com/au

USA

Construction

DYWIDAG-Systems International USA Inc.

Visit www.dsiamerica.com

Underground


DSI Underground Systems Inc.

Visit www.dsiunderground.com

Peru

Construction & Underground

DSI Perú S.A.C.

Visit www.dsi-peru.com

Canada

Construction

DYWIDAG-Systems International Canada Ltd.

Visit www.dsicanada.ca

Underground


DSI Underground

Visit www.dsiunderground.com

Chile

Construction & Underground

DSI Chile Industrial Ltda.

Visit www.dsi-chile.com

Brazil

Construction

PROTENDIDOS DYWIDAG Ltda.

Visit www.dywidag.com.br

Underground

DSI Underground Brasil

Visit www.dsifosminas.com.br

South Africa

Underground

DYWIDAG-Systems International Pty.Ltd.

Visit www.dywidag-sa.com

EMEA

Construction & Underground

EMEA

Visit www.dywidag-systems.com/emea
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Croatia / Bosnia & Herzegovina

Construction

PRESS-KON

Obala Hrvatskog narodnog preporoda 6 21000 Split Croatia
Phone: +385-21-34 27 66
Fax: +385-21-34 25 95
eMail: info@dywidag-systems.com
Web: www.dywidag-systems.com

Finland

Construction

TENSICON OY

Rattitie 17 007700 Helsinki 77 Finland
Phone: +358-500 406 438
Fax: +358-9-350 59 910
eMail: info@dywidag-systems.com
Web: www.tensicon.fi

Lithuania

Construction

Delta Nova

Užupio g. 30 LT-01203 Vilnius Lithuania
Phone: +370-5272-53 08
Fax: +370-5272-10 62
eMail: info@deltanova.lt
Web: www.deltanova.lt

Luxembourg

Construction

DYWIDAG-Systems International N.V.

Philipssite 5, bus 15 Ubicenter 3001 Leuven Belgium
Phone: +32-16-60 77 60
Fax: +32-16-60 77 66
eMail: info.be@dywidag-systems.com

Greece

Construction / Geotechnical Systems

Geotechnical Systems
HELLENPLAN

4 K. A. Dimitriou Street Spata 19004 Greece
Phone: +30-210-663 57 86
Fax: +30-210-751 21 68
eMail: vtsio@tee.gr

Construction / Post-Tensioning Systems

Post-Tensioning Systems
Kostantinos Zervas

34th Sintagmatos Pezikon 5 Pireas TK 18532 Athens Greece
Phone: +30-213-0227 363
Fax: +30-210-412 21 13
eMail: kzervas@tee.gr

Portugal

Construction

DYWIDAG SISTEMAS CONSTRUCTIVOS, SA

Rua D. Manuel I, n.º24 A Quinta da Parreirinha 2695-003 Bobadela (Loures) Portugal
Phone: +351-21-892 28 90
Fax: +351-21-892 28 99
eMail: dywidag@dywidag-sistemas.com

Turkey

Construction

DIVIGER Yapi Teknoloji A.S.

Yildiz Posta Cad. Ayildiz Sitesi 30/15 34349 Istanbul-Gayrettepe Turkey
Phone: +90-212-234 56 12
Fax: +90-212-347 39 49
eMail: diviger@diviger.com

Netherlands

Construction

DYWIDAG-Systems International B.V.

Veilingweg 2 5301 KM Zaltbommel Netherlands
Phone: +31-418-57 89 22
Fax: +31-418-51 30 12
eMail: email.nl@dywidag-systems.com
Web: www.dywidag-systems.com

Norway

Construction

Dywidag Norge AS

Norvald Strands veg 21 2206 Kongsvinger Norway
Phone: +47-62-88 86 80
eMail: adm@dywidag-norge.no

Slovakia

Construction

Doprastav, a.s.

Závod Prefa Drieňová 31 821 01 Bratislava Slovakia
Phone: +421-2-48 271 130
Fax: +421-2-48 271 600
eMail: ivana.biel@doprastav.sk

Switzerland

Construction

SpannStahl AG

Industriegebiet Waesseristr. 29 8340 Hinwil/ZH Switzerland
Phone: +41-44-9 38 97 97
Fax: +41-44-9 38 97 90
eMail: info@spannstahl.ch
Web: www.spannstahl.ch

Croatia / Bosnia & Herzegovina

Construction

PRESS-KON

Obala Hrvatskog narodnog preporoda 6 21000 Split Croatia
Phone: +385-21-34 27 66
Fax: +385-21-34 25 95
eMail: info@dywidag-systems.com
Web: www.dywidag-systems.com

Belgium

Construction

DYWIDAG-Systems International N.V.

Philipssite 5, bus 15 Ubicenter 3001 Leuven Belgium
Phone: +32-16-60 77 60
Fax: +32-16-60 77 66
eMail: info.be@dywidag-systems.com

Construction

DYWIDAG-Systems International

P.O. Box 234085 Dubai U.A.E.
Phone: +971-5555.00275
eMail: shemi.ps@dywidag-systems.com

EMEA

Construction & Underground

EMEA

Visit www.dywidag-systems.com/emea

Germany

Construction


DYWIDAG-Systems International GmbH

Visit www.dywidag-systems.de

Concrete Accessories

DYWIDAG-Systems International GmbH
contec Systems Porta Westfalica

Visit www.contec-bau.de

Concrete Accessories

DYWIDAG-Systems International
GmbH
Form Tie Systems

Visit www.dywidag-formties.com

United Kingdom

Construction

DYWIDAG-Systems International Ltd.

Visit www.dywidag.co.uk

France

Concrete Accessories

Technique Béton

Visit www.technique-beton.com

Concrete Accessories

Mandelli-Setra

Visit www.mandelli-setra.com

Concrete Accessories

DSI-ARTEON SAS

Visit www.arteon.fr


Concrete Accessories

Idéaplast

Z.A. Les Montagnes
16430 Champniers
France

Phone +33-5-45 94 71 16

Construction

DSI-ARTEON SAS

Visit www.dywidag-systems.fr

Spain

Construction

DYWIDAG SISTEMAS CONSTRUCTIVOS, S. A.

Visit www.dywidag-sistemas.com

Austria

Construction & Underground

DYWIDAG-Systems International GmbH

Visit www.dywidag-systems.at

Italy

Construction

DYWIT S.P.A

Visit www.dywit.it

Poland

Construction

DYWIDAG-SYSTEMS INTERNATIONAL Sp. z o.o.

Visit www.dywidag-systems.pl

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