D.S. Brown Company - Bridge Products
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Transcript of D.S. Brown Company - Bridge Products
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D.S. Brown Company Bridge Products
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Table of ContentsBridge Products
• D.S. Brown Company Overview• Moderate Movement Systems• Larger Movement Systems• Structural Bearing Assemblies• Grid Deck Systems• Specialty Products
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Company Overview
Load Testing
Custom Steel Fabrication
Custom Steel Machining
Rubber Extruding and Molding
Rubber Compounding and Mixing
In-House Engineering Design Group
Research and Development / Material Testing
AISC Certification: Standard for Bridge and Highway MetalComponent Maufacturers (CPT) with optional endorsement “P” (Sophisticated Paint System)
Fully Integrated Manufacturer
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Engineering DepartmentCompany Overview
24 Full-Time Engineering Staff with 5 Registered Professional Engineers– Design of Expansion Joint Systems, Structural Bearing
Assemblies and Specialty Structural Bridge Components– CAD Drawing production
Full time QA/QC staffCWI CertificationNDT Certification
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Delastic® Preformed Compression SealsModerate Movement Systems
• Worldwide Acceptance• Tested to ASTM and DOT Specifications• Approximately 50mm of Movement• Proven Performance since the 1950’s• Economical
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J and JP Series Sealing SystemsModerate Movement Systems
J - Seals
JP - Seals
• Used in both Commercial and Highway• Proven Performance• Easy to Install• Concrete and Steel Adhesive is VOC
Compliant• Fatigue Tested for One Million Cycles
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Matrix™ 502 Asphaltic Expansion Joint Moderate Movement Systems
The Matrix™ 502 Asphaltic Expansion Joint System meets requirements of ASTM D6297, Standard Specification for Asphaltic Plug Joints for Bridges
• Approximately 38mm of movement• Primary application – asphalt overlay
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Steelflex® Strip Seal Expansion Joint SystemsModerate Movement Systems
• Designed For Movements up to 122mm • Long-term, low maintenance solution • Most Economical• Number one in performance since 1970’s• Replaceable sealing element• Flexible installation methods
Cast-In-Place Strip Seal Shapes
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Moderate Movement SystemsDelcrete®/Strip Seal Expansion Joint System
• Long-term solution for both New and Rehabilitation construction
• Proven performance since 1983• Used by over 30 state DOT’s and over
10 countries worldwide• Premier elastomeric concrete system• Accepts traffic loads one hour after
application• Flexible polyurethane header
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D.S. Brown Strip-Sealer™
• Hand-held pneumatic strip seal installation tool
• Eases installation of D.S. Brown strip seal with L2 and A2R lugs
• Dramatically reduced amount of time and labor when utilizing the Strip-Sealer installation tool
Moderate Movement Systems
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Moderate Movement SystemsV-Seal Expansion Joint System
• EPDM seal is weather, UV, ozone and tear resistant
• Designed for use under extended water immersion
• Flexible at lower temperatures• Epoxy adhesive bonds in excess of
3000 PSI• Epoxy available in 400 ml cartridges
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Moderate Movement SystemsDelastic-LS® Pourable Bridge Seal
• Product does not require expensive, complicated two-part sealant pumps
• Packaged in pre-measured 1 gallon site mixable containers
• Can be installed as a repair for failed rubber glands
Delastic-LS is a two-part, rapid-curing, self-leveling urethane sealant
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Larger Movement SystemsSan Francisco Oakland Bay Bridge, California
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Larger Movement SystemsSteelflex® Modular Expansion Joint Systems
• Movements greater than 100mm• Watertight with strip seal gland• Proven performance since 1970s• Structurally sound, fatigue tested• Fabrication by AISC, Standard for
Bridge and Highway Metal Component Maufacturers (CPT) facility
• Economical, low life-cycle cost
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Larger Movement SystemsMaurer System™ Swivel Expansion Joint
• Worldwide performance history including 40 USA installations
• Horizontal, transverse, and differential movements
• Dynamic tests to confirm capability of high velocity movements
• Provided in the U.S.A. through an exclusive license agreement with Maurer Sohne, Munich, Germany.
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Larger Movement SystemsFinger Plate Expansion Joint System
Fabrication by AISC, certified facility• Segmental fabrication• Smooth ride• Long project history• Owner/Project Specific Design
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Structural Bearing Assemblies
• Designed for Section 14 of AASHTO Code• Various Sizes and Configurations• Project Specific/Custom Fabrication • Economical
HLMR Pot, Disc and Spherical, Elastomeric and Isolation
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Structural Bearing AssembliesVersiflex™ Elastomeric Bearing Assemblies
• Maximum compressive stress of 1000 psi (6.9 Mpa) or 1600 psi (11.0 Mpa) for Design Methods A & B
• Horizontal translation equal to 1/2 of elastomer height
• Economical• 40 year proven performance
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Structural Bearing Assemblies
• Incorporates PTFE / stainless steel slide surface
• Economical for movements greater than ±38mm
• Project specific design
Versiflex™ Elastomeric Bearing Assemblies
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Structural Bearing AssembliesVersiflex™ HLMR Pot Bearing Assemblies
• AASHTO maximum pressure of 3500 psi (24MPa) on elastomeric disc
• Typical design rotation of ±0.03 radians• Economical for loads >500kips (2225kN)• Project specific design• In-house load testing• 30 year proven performance
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2Structural Bearing AssembliesVersiflex™ HLMR Disc Bearing Assemblies
Disc Bearings consist of an elastomeric disc made of unconfined polyether-urethane polymer to accommodate rotation between two metal plates. The vertical loads aretransferred by the elastomeric disc.
Horizontal shear forces are transmitted between upper and lowerplates by a dowel pin mechanism in the center of the bearing.
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2Structural Bearing AssembliesIsolation Bearing Systems
• Isolation Bearing Systems consist of three components – rubber, steel plates and a lead core
• Ease of handling and installation, same as elastomeric bearing
• Proven performance in real earthquakes
• No need for replacement after an earthquake
• Minimum ½” thick external cover rubber
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2Structural Bearing AssembliesIsolation Bearing Systems
• No wear, no moving parts• Maintenance-free• Good for life-span of structure• Stable properties• Easy modeling and analysis
Benefits
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2Structural Bearing AssembliesIsolation Bearing Systems
• Reduce construction costs
• Minimize traffic disruptions
• Eliminate damage
• Reduce losses from
earthquakes
Benefits
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2Structural Bearing AssembliesVersiflex™ HLMR Spherical Bearing Assemblies
• AASHTO maximum pressure of 5500psi (37.9MPa) on PTFE
• High rotation capabilities: >0.03 radians
• Project specific design
Concave Plate with Woven PTFE
Stainless Steel Convex Plate
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Grid Deck Systems - BGFMA17th Street Bascule Bridge, Florida
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Grid Deck Systems
BGFMA…The Bridge Grid Flooring Manufacturers Association industry group is comprised of companies who fabricate steel grid deck systems for bridges and other companies with an interest in this market.Focused on the reliable development and application of open grid, grid reinforced concrete, and Exodermic® bridge decks to meet the demands of the engineering community and traveling public.
BGFMA
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Grid Deck Systems
BGFMA Participating Companies
Charter Members:Bailey BridgesD.S. Brown LB Foster
Associate Members:American Galvanizers AssociationCarolina Stalite CompanyGautier Steel Ltd. McDonald Steel
BGFMA
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Specialty ProductsU.S. Grant Bridge, Ohio
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Specialty Products – WaterproofingDeckguard® Spray Applied Membrane
• Two-component, bridge-grade elastomeric coating used to waterproof both steel and concrete bridge decks
• Provides a seamless, flexible, extremely durable barrier against water penetration and stray current
• Infrared Spectroscopy used as part of Quality Control during manufacture
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Specialty Products – Waterproofing
• Specifically engineered for use on highway and railroad bridge decks, bridge abutments, pier caps, tunnels and pedestrian walkways
• Can be used on intermodal and LRT rail bridges with or without protection board, providing fast turnaround
• Low temperature flexibility when installing membrane
Deckguard® Spray Applied Membrane
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Specialty Products – Corrosion ProtectionCableguard™ Elastomeric Cable Wrap System
• Durable 3-ply, color-fast elastomeric wrap
• Wrapped under constant tension with Skewmaster™ machine
• Layers of wrap are fused together under intense heat
• Watertight
• Environmentally friendly
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Online and Corporate OfficeContact D.S. Brown
Websitewww.dsbrown.com
Social MediaFind us on Facebook, Twitter, LinkedIn and
YouTube
Corporate Office300 East Cherry Street
North Baltimore, OH 45872