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Design and Construction of Extradosed Bridges in Cold Temperature and Seismic Zones
Design and Construction of Extradosed Bridges in Cold Temperature and Seismic Zones Dr. Matthias Schueller, P.Eng. Vice President Parsons Structures Session 2020 TAC Conference & Exhibition Abstract Extradosed bridges are often described as a cross of a conventional prestressed concrete girder bridge and a traditional cable-stayed bridge because most extradosed bridges built combine a prestressed concrete superstructure with stay-cable technologies. However, this simple definition does not capture the various possible structural systems and different materials that can be found and used for extradosed bridges. Extradosed bridge technology is much more than a prestressed concrete girder with external tendons. The Deh Cho Bridge in the Northwest Territories and the Canal Lachine Bridge in Montréal are two Canadian extradosed bridges featuring steel superstructures with slender composite concrete decks using full-depth precast panels. Although both bridges are very different, they share one important design aspect which governed the design of their superstructures: Both bridges are located in regions with prolonged extreme cold winter periods. Temperatures below 0 °C and cold weather periods lasting up to five months can be a major hindrance when erecting long bridges with conventional concrete superstructures. On the contrary, steel superstructures are light and can be quickly erected, even at cold temperatures without heating and hording given that field welding is avoided. To avoid delays along the critical path in the erection of major superstructures in extreme cold temperature zones, designers should consider erection schemes which make best use of short warm weather periods and reduce negative impacts related to harsh weather conditions as best as possible. -
Seismic Design of Bridges in British Columbia: Ten-Year Review
SEISMIC DESIGN OF BRIDGES IN BRITISH COLUMBIA: TEN-YEAR REVIEW Jamie McINTYRE Structural Engineer, Hatch Mott MacDonald, Vancouver Canada [email protected] Marc GÉRIN Consultant, Ottawa Canada [email protected] Casey LEGGETT Structural Engineer, Hatch Mott MacDonald, Vancouver Canada [email protected] ABSTRACT: Seismic design of bridges in British Columbia has evolved significantly in the last ten years. Developments have comprised three major changes in seismic design practice: (1) improved understanding of seismic hazard—including raising the design earthquake from a 475-year return period to 2475-year return period and better knowledge of the contribution of the nearby Cascadia subduction zone; (2) a shift to a performance-based design philosophy with emphasis on improved post-earthquake performance—including multiple service and damage objectives for multiple levels of ground motions; and (3) increased sophistication of seismic analyses—including both inertial analyses and analyses for liquefaction hazards. The result of these changes should be bridges that perform better and remain functional post-earthquake. These changes are expected to encourage alternatives to the traditional use of column plastic hinging, such as base-isolation. Over the last ten years, base-isolation has been used on few bridges in British Columbia—primarily retrofits of existing structures; however, given its ability to preserve post-earthquake functionality, base-isolation should be a serious consideration for any project. 1. Introduction – Evolution of Seismic Design Practice Seismic design of bridges in British Columbia has evolved significantly in the last ten years, going from a bridge design code using outdated principles to a state of the art new code that implements performance- based design. -
Roads & Bridges November 2012
BRIDGE DESIGN By Jamie Farris, P.E., Dan Carlson, P.E., and Eric Nelson, P.E. Contributing Authors Proper frame work Waco, TxDOT come up with right solution for IH-35 ruce Jackson, a noted professor of inspirational, in many ways bridges define their surroundings. Needing to expand I-35 American culture, said, “Bridges (IH-35), representatives from the city of Waco B are perhaps the most invisible form wanted signature bridges with an “art deco” look to complement other recent downtown of public architecture; they become frames economic revitalization projects. Because for looking at the world around us.” the frontage road bridges were going to be constructed first—the mainline bridges will be Taking that philosophy out of academia and replaced later—TxDOT and Waco representa- putting it into practice, the Waco District of the tives decided to create signature twin frontage Texas Department of Transportation (TxDOT) road bridges on each side of the mainline has initiated a unique bridge project spanning bridges. Though aesthetics was certainly a the Brazos River. Though only two frontage driving force behind the new bridge design, the road bridges are involved, the $17.3 million initial defining characteristic of the project was IH-35 Extradosed Bridge Project will pioneer a functional need. bridge technique in the U.S. As part of the American infrastructure, Brazos bravado bridges often become treasured landmarks IH-35 runs north-south through the heart in their communities. Majestic, grand and of Texas. A major transportation artery for the 42 November 2012 • ROADS&BRIDGES Debate rages over the boundary some 60 ft from the corresponding between extradosed and traditional mainline bridges. -
CHAPTER 5 Transport and Air Quality in Santiago, Chile
CHAPTER 5 Transport and air quality in Santiago, Chile M. Osses1 & R. Fernández2 1Department of Mechanical Engineering, University of Chile, Chile. 2Department of Civil Engineering, University of Chile, Chile. Abstract This chapter offers a review of the evolution of the transport system in Santiago de Chile during the period 2000–2010, and the implications of local transport policy on vehicle emissions and air quality. The chapter comprises five sections, starting with a general overview of the Metropolitan Region of Santiago and its population, as well as a description of the current transport system. The relationship between transport and air quality is analysed for the period 1991– 2001, describing car ownership and modal split trends, the technological evolution of vehicles, pollutant emissions from transport, and air quality trends. Finally, a critical review of Santiago’s transport policy is made, using the main programs of the 2001–2010 Urban Transport Plan for Santiago as a case study. The new public transport plan is included in this critical analysis (Transantiago), as well as a set of short-term strategies, road investment and car-use regulations, and non-motorized transport plans for pedestrians and cyclists in the city. Transport trends, however, show that Santiago is following the well-known car- public transport vicious circle that developed countries have gone through. This may offset the environmental effects from vehicle and transport improvements within the city. 1 Urban characteristics of Santiago The Metropolitan Region of Santiago, Chile, has a population of 6.1 million inhabitants, concentrating 40% of the whole population in the country. According to the latest census, the population of the Metropolitan Region of Santiago has grown by 15.3% during the last 10 years [1]. -
September 2017 Digital Edition
COMMERCIAL REAL ESTATE | FRANCHISES | BUSINESS OPPORTUNITIES $4.29 • SEPTEMBER 2017 • VOL32/9 RICHMOND | 12 BIG INDUSTRIAL BID “NOT SPEC” Richmond 170-acre development will start when first leases inked – and that will not be long PRE-SALES | 14 CRA PROBES CONDO FLIPS Canada Revenue Agency takes developer to court over assignment sales CONTENTS Full index 3 FFRANKLINRANKLIN JACKSONJACKSON Hotel towers 10 Industrial giant 12 MMARRIOTTARRIOTT Residential investing 14 Property taxes 16 TTOWERSOWERS IINTONTO B.C. report 18 Mortgage rates 20 CCENTRALENTRAL SSURREYURREY Done Deals 26 HHOTELSOTELS RISERISE ININ WESTWEST | 1100 PUBLICATIONS MAIL AGREEMENT 40069240 0 9 0 6 0 3 5 8 1 8 2 9 1 9 MACDONALD COMMERCIAL Commercial Sales & Leasing, Property & Asset Management and Strata Management. macdonaldcommercial.com 604.736.5611 Listings on Page A4 & A5 A2 | LOWER MAINLAND WESTERNINVESTOR.COM | SEPTEMBER 2017 NEWLY RENOVATED FOR SALE - EAST VANCOUVER PRIME OCEANFRONT FOR SALE FOR SALE - SINGLE TENANT APARTMENT BUILDING BUILDING AND PROPERTY DEVELOPMENT OPPORTUNITY 38.4 - 78.4 ACRES INVESTMENT OPPORTUNITY LIMERICK APARTMENTS - 5450 204TH ST, LANGLEY 1428 CHARLES STREET, VANCOUVER MARINER’S VILLAGE, SOOKE, BC BURKE MOUNTAIN, COQUITLAM 250 WINNIPEG STREET, PENTICTON, BC • Pad Development Opportunity • 41,382 sf / 0.95 acre property • Approximately 40,000 sf, two storey building • 8.63 acres of development land approved for • 2 lots: 38.4 and 40 acres • 1.43 acres site with net rentable area of 23,565 sf on 23,262 sf corner site mixed-use development • 3 storeys, 39 suites and 27,267 sf • Beautiful views • Net Operating Income $564,668 (as of 09/2017) of net rentable area • Located in Strathcona, walking distance to • Views of Sooke Harbour & the Olympic Mountains • Future residential development property • Long term lease • Asking Price $7,600,000 amenities of Venables and Commercial Drive • Serviced, zoned, marina leasehold included or ideal estate lots • Listing Price $9,800,000 • Asking $6,300,000 • Asking $3,500,000 per lot GREG MILES | CHRIS J. -
High Speed Rail and Sustainability High Speed Rail & Sustainability
High Speed Rail and Sustainability High Speed Rail & Sustainability Report Paris, November 2011 2 High Speed Rail and Sustainability Author Aurélie Jehanno Co-authors Derek Palmer Ceri James This report has been produced by Systra with TRL and with the support of the Deutsche Bahn Environment Centre, for UIC, High Speed and Sustainable Development Departments. Project team: Aurélie Jehanno Derek Palmer Cen James Michel Leboeuf Iñaki Barrón Jean-Pierre Pradayrol Henning Schwarz Margrethe Sagevik Naoto Yanase Begoña Cabo 3 Table of contnts FOREWORD 1 MANAGEMENT SUMMARY 6 2 INTRODUCTION 7 3 HIGH SPEED RAIL – AT A GLANCE 9 4 HIGH SPEED RAIL IS A SUSTAINABLE MODE OF TRANSPORT 13 4.1 HSR has a lower impact on climate and environment than all other compatible transport modes 13 4.1.1 Energy consumption and GHG emissions 13 4.1.2 Air pollution 21 4.1.3 Noise and Vibration 22 4.1.4 Resource efficiency (material use) 27 4.1.5 Biodiversity 28 4.1.6 Visual insertion 29 4.1.7 Land use 30 4.2 HSR is the safest transport mode 31 4.3 HSR relieves roads and reduces congestion 32 5 HIGH SPEED RAIL IS AN ATTRACTIVE TRANSPORT MODE 38 5.1 HSR increases quality and productive time 38 5.2 HSR provides reliable and comfort mobility 39 5.3 HSR improves access to mobility 43 6 HIGH SPEED RAIL CONTRIBUTES TO SUSTAINABLE ECONOMIC DEVELOPMENT 47 6.1 HSR provides macro economic advantages despite its high investment costs 47 6.2 Rail and HSR has lower external costs than competitive modes 49 6.3 HSR contributes to local development 52 6.4 HSR provides green jobs 57 -
Evaluation of Wearing Surface Systems for the Orthotropic Steel Deck of the San Mateo Hayward Bridge
EVALUATION OF WEARING SURFACE SYSTEMS FOR THE ORTHOTROPIC STEEL DECK OF THE SAN MATEO HAYWARD BRIDGE _______________________________________ A Thesis presented to the Faculty of the Graduate School at the University of Missouri-Columbia _______________________________________________________ In Partial Fulfillment of the Requirements for the Degree Master of Science _____________________________________________________ by Ravi Sankar Chamarthi, Vellore S. Gopalaratnam, Thesis Supervisor December, 2012 The undersigned, appointed by the dean of the Graduate School, have examined the thesis entitled EVALUATION OF WEARING SURFACE SYSTEMS FOR THE ORTHOTROPIC STEEL DECK OF THE SAN MATEO HAYWARD BRIDGE Presented by Ravi Sankar Chamarthi, a candidate for the degree of Master of Science and hereby certify that, in their opinion, it is worthy of acceptance. Vellore S. Gopalaratnam Sarah Orton P. Frank Pai i EVALUATION OF WEARING SURFACE SYSTEMS FOR THE ORTHOTROPIC STEEL DECK OF THE SAN MATEO HAYWARD BRIDGE Ravi Sankar Chamarthi Dr. Vellore S. Gopalaratnam Thesis supervisor ABSTRACT Performance under static and fatigue loads are evaluated for two different wearing surfaces for possible use on the steel orthotropic deck of San Mateo Hayward Bridge in the bay area of California. The two wearing surface materials studied include a 2" thick (nominal) premixed polyester concrete (PC) and a 2" thick (nominal) epoxy asphalt concrete (EAC). Flexural specimens that comprise a “steel-plate - wearing surface” composite simulating the surfacing system and geometry specific to the orthotropic steel deck of the San Mateo Hayward Bridge are used for the static and fatigue tests. Flexural tests were conducted at different dynamic loading frequencies (0.0167, 1.0, 2.5, 5.0, 7.5, 10.0 and 15.0 Hz) and at several different temperatures (20˚F- 120˚F) to study the temperature dependency and loading rate effects. -
Construction & Design Services
CONSTRUCTION & DESIGN SERVICES UTTAR PRADESH JAL MGAIVI (A Govt. of U.P.Undertaking) Head Office: TC-38V, Vibhuti Khand, Gomti Nagar, Lucknow-226010 HG Ph.: +915222728985 Fax: +91 5222728988 Vlsll us: www. cd su pj n. org e -m ai I : di rector@cd s u pjn. o rg Ref. 2, ..2[.-.8-( I l6f pate./..?. Construction of a Dedicated corridor (4 Lane including Extradosed Bridge across river Ganga) for old, differently abled persons during Kumbh and Magh Mela at Sangam, Allahabad (U.P.) India Replies/Clarifications to the Oueries raised on RFO cum RFP & Bid Documents by various firms in Pre-Bid Meetine flD on dated 25.06.2016 Regarding NIT No. 496|CGM-U Dedi.Coni.All.116 dated 06.04.2016 and subsequent corrigendum issued vide letter no. 556/CGM-IiDedi.Corri.All./16 dated 05.05.2016, a Pre-Bid Meeting (II) was held at Head Quarter of C&DS, UP Jal Nigam, Lucknow on dated 25.06.2016. Some of the firms participating in meeting raised some queries in person as well as through correspondence (electronic or otherwise) regarding the pre-qualification criteria mentioned in RFQ cum RFQ document and draft EPC Agreement. The Bid clarifications and amendments in RFQ cum RFP document and draft EPC agreement are attached herewith. Enclosure: As above. I (A K Rai) Chief General Manager (I) Copy to the following for information and necessarv action nlease:- l. Managing Director, U.P. Jal Nigam, Lucknow with enclosures. 2. Director, C&DS, U.P. Jal Nigam, Lucknow. J. General Manager (Ganga Bridge), C&DS, U.P. -
Dubai: CREATING the WORLD’S LONGEST DRIVERLESS NETWORK INSIDE: Light Rail Awards 2012 Special
THE INTERNATIONAL LIGHT RAIL MAGAZINE HEADLINES l Paris tram network reaches 65km l AnsaldoBreda enters Chinese LRT market l Edinburgh tramway to open early? DUBAI: CREATING THE WORLD’S LONGEST DRIVERLESS NETWORK INSIDE: Light Rail Awards 2012 special Olsztyn Halberstadt Poland’s first How do you new-build sustain a system tramway in with a declining over 50 years population? DECEMBER 2012 No. 900 WWW . LRTA . ORG l WWW . TRAMNEWS . NET £3.80 PESA Bydgoszcz SA 85-082 Bydgoszcz, ul. Zygmunta Augusta 11 tel. (+48)52 33 91 104 fax (+48)52 3391 114 www.pesa.pl e-mail: [email protected] Layout_Adpage.indd 1 26/10/2012 16:15 Contents The official journal of the Light Rail Transit Association 448 News 448 DECEMBER 2012 Vol. 75 No. 900 Three new lines take Paris tram network to 65km; www.tramnews.net Mendoza inaugurates light rail services; AnsaldoBreda EDITORIAL signs Chinese technology partnership; München orders Editor: Simon Johnston Siemens new Avenio low-floor tram. Tel: +44 (0)1832 281131 E-mail: [email protected] Eaglethorpe Barns, Warmington, Peterborough PE8 6TJ, UK. 454 Olsztyn: Re-adopting the tram Associate Editor: Tony Streeter Marek Ciesielski reports on the project to build Poland’s E-mail: [email protected] first all-new tramway in over 50 years. Worldwide Editor: Michael Taplin Flat 1, 10 Hope Road, Shanklin, Isle of Wight PO37 6EA, UK. 457 15 Minutes with... Gérard Glas 454 E-mail: [email protected] Tata Steel’s CEO tells TAUT how its latest products offer News Editor: John Symons a step-change reduction in long-term maintenance costs. -
Corporate Presentation November 2009 RR Disclaimer
RR GAMMON INDIA LIMITED Corporate Presentation November 2009 RR Disclaimer No representation or warranty, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or opinions contained in this presentation. Such information and opinions are in all events not current after the date of this presentation. Certain statements made in this presentation may not be based on historical information or facts and may be "forward looking statements" based on the currently held beliefs and assumptions of the management of Gammon India Limited (“Company” or “Gammon”), which are expressed in good faith and in their opinion reasonable, including those relating to Gammon’s general business plans and strategy, its future financial condition and growth prospects and future developments in its industry and its competitive and regulatory environment. Forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual results, financial condition, performance or achievements of Gammon or industry results to differ materially from the results, financial condition, performance or achievements expressed or implied by such forward-looking statements, including future changes or developments in Gammon’s business, its competitive environment and political, economic, legal and social conditions. Further, past performance is not necessarily indicative of future results. Given these risks, uncertainties and other factors, viewers of this presentation are cautioned not to place undue reliance on these forward-looking statements. Gammon disclaims any obligation to update these forward-looking statements to reflect future events or developments. This presentation is for general information purposes only, without regard to any specific objectives, financial situations or informational needs of any particular person. -
Building Future Possibilities
BUILDING FUTURE POSSIBILITIES Gammon India Limited Annual Report 2014-16 (18 months period) CORPORATE INFORMATION 01 ABOUT GAMMON GROUP 02 REGION-WISE PAN INDIA PRESENCE 07 CONTENTS CHAIRMAN’S STATEMENT 08 KEY PROJECTS – EPC 12 T&D KEY PROJECTS 14 PUBLIC PRIVATE PARTNERSHIP PROJECTS 16 OVERSEAS PRESENCE 18 AWARDS AND ACCOLADES 20 MANAGEMENT DISCUSSION & ANALYSIS 22 DIRECTORS’ REPORT 42 REPORT ON CORPORATE GOVERNANCE 98 FINANCIAL STATEMENTS 117 CONSOLIDATED ACCOUNTS 199 CORPORATE INFORMATION BOARD OF DIRECTORS BANKERS / FINANCIAL INSTITUTIONS Mr. Abhijit Rajan ICICI Bank Limited Chairman & Managing Director Canara Bank Mr. Rajul A. Bhansali IDBI Bank Limited Executive Director - International Operations Punjab National Bank Syndicate Bank Mr. Digambar C. Bagde Deputy Managing Director Bank of Baroda (Transmission & Distribution Division) United Bank of India Union Bank of India Mr. Ajit Desai Allahabad Bank Executive Director & Chief Executive Officer Bank of Maharashtra Mr. Chandrahas C. Dayal Oriental Bank of Commerce Independent Director UCO Bank Mr. Naval Choudhary Central Bank of India Independent Director Karnataka Bank Mrs. Urvashi Saxena Indian Bank Independent Director DBS Bank Mr. Jagdish C. Sheth Life Insurance Corporation of India Independent Director General Insurance Corporation of India Mr. Atul Dayal United India Insurance Independent Director Mr. Atul Kumar Shukla REGISTRAR & SHARE TRANSFER AGENT Independent Director M/s. Link Intime India Private Limited C-13, Pannalal Silk Mills Compound COMPANY SECRETARY LBS Road, Bhandup (West) Ms. Gita G. Bade Mumbai 400 078 Telephone: 022–2596 3838 PRESIDENT FINANCE & Facsimile: 022- 2594 6969 CHIEF FINANCIAL OFFICER e-mail : [email protected] Mr. Vardhan Dharkar AUDITORS M/s Natvarlal Vepari & Co. REGISTERED OFFICE ‘Gammon House’, Veer Savarkar Marg, Prabhadevi, Mumbai – 400 025. -
Container Capacity Expansion Plans at Pacific Coast Ports
TP 14710E Container Capacity Expansion Plans at Pacific Coast Ports Prepared for: Policy Research Branch Strategic Policy Directorate Policy Group Transport Canada By: Hanam Canada Corporation Victoria, BC January 2007 TP 14710E Container Capacity Expansion Plans at Pacific Coast Ports By: Hanam Canada Corporation 1165 Burdett Avenue Victoria, BC, V8V 3H3 250-381-6768 Web: www.hanamcanada.com Helmut G. Burke, P.Eng., MBA [email protected] January 2007 Container Capacity Expansion Plans at Pacific Coast Ports Hanam Canada Corporation January 2007 The Directory of Pacific Coast Container Ports, Terminals, and Services (TP 14711E) has been published as a companion document to this report. This report reflects the views of Hanam Canada Corporation only and does not necessarily reflect the official views or policies of Transport Canada. Neither Transport Canada, nor its employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy or completeness of any information contained in this report, or process described herein, and assumes no responsibility for anyone's use of the information. Transport Canada is not responsible for errors or omissions in this report and makes no representations as to the accuracy or completeness of the information. Transport Canada does not endorse products or companies. Reference in this report to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement, recommendation, or favoring by Transport Canada and shall not be used for advertising or service endorsement purposes. Trade or company names appear in this report only because they are essential to the objectives of the report.