DYWIDAG-SYSTEMS INTERNATIONAL
Click to expand
generate PDF
RSS-Feed
DSI USA  ›  References  ›  Bridges
New Suspension Bridge spans McKenzie River

New Suspension Bridge spans McKenzie River

New 205m bridge near Eugene, Oregon, USA

The McKenzie River suspension bridge spans the McKenzie River north of Eugene, Oregon. The suspension bridge has a total length of 205m and consists of three spans of 37m, 131m and 37m. The design had to be synchronized with the partly extreme water current and possible environmental concerns. For these reasons a classical suspension bridge shape was selected - without piers in the river bed. The design team consisting of OBEC Consulting Engineers and Dr.Jiri Strasky provided the design and detailing for the installation work.

The McKenzie River Bridge utilizes a number of design innovations. The main cables consist of PE sheathed and greased prestressing steel strands sealed and grouted inside steel carrier pipes. The suspenders consist of solid round ASTM Specification A449 rods with threaded ends for clevis connections cast in the precast deck panels and attached to the steel carrier pipes. The clevises used were standard AISC size #5 forged type. Main cable carrier pipes, suspender rods, clevises, and pins were hot dip galvanized after fabrication.

The standard method includes clamping the suspenders to the bridge wire ropes and then sealing them with a wire wrapping and paint system. The McKenzie Bridge main cables are similar to the stays used in the construction of cable-stayed bridges. The Post-Tensioning Institute (PTI) Recommendations for Stay Cable Design, Testing and Installation and FHWA stay cable design advisories were utilized for the design of the main cables. This is the second use of the steel carrier pipe main cable method for a suspension bridge in the United States, the first being the Willamette River (DeFazio) Pedestrian Bridge also developed by this design team and supplied by DSI.

The design team developed the design of the bridge to meet various criteria. These criteria included minimizing environmental impacts during construction and in service, avoiding the construction of piers in the river, and providing an architecturally elegant economical design. In order to meet these requirements, the engineer's design for the suspension bridge utilized precast elements for the suspended spans. Each precast element is 3m long and installed symmetrically from the center of the bridge, suspended from the main cables. The main cable carrier pipes were suspended across the river on auxiliary strand lines. The strands of the cables were then pulled through the carrier pipes and adjusted as required during erection to meet the design deflected shape.

There are no deck joints located within the precast elements. After erection of all elements the entire deck section was post-tensioned together with 27-15.2 (0.6-inch) DYWIDAG Multistrand Tendons through a continuous duct in each of the curb sections of the precast elements to form a laterally stiff deck diaphragm. The main cables are anchored to the top of the "A" shaped tower pylons and to the abutments with 48-0.6" DYNA Bond® anchorages. The main cables consist of 0.6" strands,greased and individually PE sheathed, with the low relaxation 7-wire strand grade 270 / St1620/1860 conforming to ASTM Specification A416. After erection of the bridge, the main cables are grouted inside of the steel carrier piles with DSI DYNA Grout® in accordance with Post Tensioning Institute (PTI) "Recommendations for Stay cable Design, Testing, and Installation, 1993".

The end anchorages are located at the abutments and consist of reinforced concrete blocks supported by rows of inclined piles in both directions longitudinally. To stabilize the bridge in the longitudinal direction and to reduce the horizontal force on the abutments, large bearing bolts are engaged on each end of the deck section.This places the deck in additional compression and allows the bridge to take advantage of this "self stiffening" behaviour. In addition,the bearing bolts reduce force in the main cables and provide an additional load reduction mechanism in terms of the "arching action" of the deck.

Job started in 2002 and was completed in 2003.

World Map todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo

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

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

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

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

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

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

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
###value_email2### Web: www.baslerhofmann.com.sg

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
|

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
Europe Map todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo todo

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

Find and meet DSI

Visit our local website or meet us face-to-face.