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Finger Joint for Bridge Structure

Finger Joints | RJ Watson, Inc. - Bridge & Structural ...

Oct 30, 2019 · Finger Joints are cantilevered or simply supported steel tooth expansion joints. They are comprised of pairs of independent elements with parallel teeth provided in lengths from 3 feet to full roadway widths. RJW Finger Joints are used to provide support to vehicles as they travel across bridge expansion joint openings.

Finger Expansion Joints, a Highly Water ... - Bridge Joints

Finger expansion joints are designed to handle movements of 80 mm to 1,200 mm are composed by steel finger plates, CR sheet, anchor bolts and other components. The rubber sheet is placed on the retractable steel, and anchor bolts help to fix the whole structure.

Strip Seal Expansion Joints · Asphaltic Plug Joint · Contact Us · About Us

Expansion Joints | RJ Watson, Inc. - Bridge & Structural ...

RJW Finger Joints for are cantilevered or simply supported steel tooth bridge expansion joints. They are composed of pairs of independent elements with parallel teeth provided in lengths from 3 feet to full roadway …

LCL-Bridge - Finger Expansion Joints

Large movement finger expansion joints represent one of the best solutions to accommodate bridge expansion and contraction whilst reducing road noise emission to a minimum. Its main elements consist of cantilevered, or sliding, steel plates connected to each side of the road surface's gap.

Strip Seal, Modular and Finger Expansion Joints | Hennegan ...

Oct 28, 2014 · Finger Joints Fabricated steel plate expansion joint systems, such as finger joint assemblies and sliding plate and armor joint systems, are still specified on many bridge projects due to proven long-term structural performance. These joint systems are also convenient to install on bridge rehabilitation projects...


14.4.6 Finger Joints Finger joints can be used to accommodate moderate to high movement ranges. Finger joints can also accommodate minor rotations and vertical displacements across the joint. Finger joints are fabricated from steel plate, with the fingers sized to maintain minimum spacing and to minimize live load deflections.

Steel Plate Expansion Joint Systems | D.S. Brown

Finger Joint Assembly Steel Plate Expansion Joint Systems , such as finger joint assemblies and sliding plate and armor joint systems, are still specified on many bridge projects due to proven long-term structural performance.

Bridge Deck Joints and Deck Joint Seals

Except in rare circumstances, Division ofStructures policy is to seal all bridge joints. There may be locations where it is appropriate to design an open joint or finger joint. The Joint Seals and Bearings Technical Specialist will offer advice, and will refer the designer to "As-Built" plans for details of such installations when possible.

BASF Watson Bowman Acme | Bridge and Highway Fabrication

The Wabo®StripSeal system is a unique concept for effectively sealing expansion joints in bridges and structures. Elastomeric seals lock into a machined steel cavity for a watertight connection. Read More

Concrete Bridge Deck Joints: State of the Practice

Apr 14, 2011 · 0 5 10 15 20 Butt joint Sliding plate joint Finger joint Field-poured seal Asphalt plug joint Compression seal Strip seal Reinforced elastomeric joint Modular seal Types of Bridge Deck Joints Other Number of Responses. • Strip seals were most accepted type of joint, followed by finger joints.

Illustration Picture of Hand Structures – Finger Anatomy

Finger Joints (Knuckles) Each finger contains 3 joints, more commonly known as knuckles. The thumb has two knuckle joints. The largest joint of each finger lies between the finger and the hand. This first joint at the base of the finger is called the metacarpophalangeal joint (MCP). It works like a hinge when you straighten your fingers and thumb.

Inspection guidance for bridge expansion joints Part 1 ...

Inspection guidance for bridge expansion joints Part 1 – Reference guide 5 1 Summary Deck expansion joints are an important bridge component. In order to maintain road user safety and bridge durability, they must be maintained in good condition. Some types of expansion joint are susceptible to posing a sudden danger to traffic.

Chapter 28 Expansion Devices

In the past, open steel finger type joints were used on long span bridges where large movements encountered. Finger joints were placed in the span near the point of contraflexure and were placed on the structure where they are required structurally. Drains were located to prevent drainage across the joint …

Asymmetric vibration of finger-type bridge expansion joint ...

Jul 01, 2014 · The finger-type expansion joint shown in Fig. 1 is one of the most popularly used expansion joints for bridges because of their simple structures. This type of joint is simply called finger joint , .We will use the term of finger-joint in the foregoing discussion.

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Chapter 9 Bearings and Expansion Joints

Chapter 9 Bearings and Expansion Joints Page 9-14 WSDOT Bridge Design Manual M 23-50.19 July 2019. to intermittent steel plates, which in turn are welded to the extrusion. The special anchorage is generally used for very high traffic volumes or in applications subject to snowplow hits.

Uncoated Weathering Steel in Structures - Structures ...

Virtually every bridge with joints has problems (corrosion, rideability, maintenance) attributable to the joint. 2 Extensive experience has shown that obtaining a permanent water-tight bridge joint is an elusive goal. Therefore, when joints are necessary, the assumptionshould be that the joints will leak and that drainage will contact the steel.


Structure and Bridge Division for the design and detailing of bridge deck expansion joints, hereafter referred to as “expansion joints”. It also provides design aids and references to other parts of this manual to assist in the design and preparation of plans.


For movements larger than strip seals can accommodate the office designs and specifies finger joints. Except in unusual cases, strip seals or finger joints are adequate for expansion joints in Iowa bridges.

Advantage and Disadvantage | Bridge Expansion Joint ...

This expansion joint is frequently damaged among bridge members caused by the increase of traffic load, installation and careless repair. Also, the failure of expansion joint accelerates the malfunction of bridge support and the carbonation of a bridge as drain water and sewage flow to the under part of bridge structure.

The BridgeSite - Bridge Products

Assaflex - Expansion joints and bearing pads; Arizona Structure Technologies Inc./a>/li> D.S. Brown - Expansion Joint and Bearing Systems; EMSEAL - Joint Sealers and Expansion Joints; Mageba USA - Modular Expansion Joints, Single Gap Expansion Joints, Cantilever Finger Joints, Sliding Finger Joints, Mat Type Joints

Standard design drawings | WSDOT

Drawings available in pdf and dwg formats. Disclaimer: The Washington State Department of Transportation (WSDOT) makes these documents available on an "as is" basis. All warranties and representations of any kind with regard to said documents are disclaimed, including the implied warranties of merchantability and fitness for a particular use.

High Quality Bridge Joints - Shawnee Steel & Welding

May 27, 2014 · Companies across the country trust Shawnee Steel & Welding to fabricate some of the most vital components in bridge structure, namely the bridge expansion joints and bridge finger joints. When properly constructed with the correct materials, bridge joints can make massive contributions to the durability and safety of a bridge.

Location: 6124 Merriam Dr, 66203, KS

Expansion Joint & Seal Replacement - freyssinetusa

They are suitable for all reinforced , prestressed , composite and steel structures, and particularly for bridge decks. CIPEC expansion joints are also designed to allow sufficient vertical movement so that bearings can be replaced without needing to disassemble the expansion joint.

Glossary of Bridge Terms - F

finger dam-expansion joint in which the opening is spanned by meshing steel fingers or teeth . fish belly-a ... framing-the arrangement and manner of joining the component members of a bridge structure to insure a condition wherein each element and member may function in accord with the conditions governing its design . free end-movement ...

China Highway Bridge Expansion Joint for Bridge Structure ...

Highway Bridge Expansion Joint for Bridge Structure Haider expansion joints includes single rail type and modular type. Our expansion joint system allows bridge deck movements while maintaining a smooth watertight riding surface. Engineered to last longer than the bridge deck, joints longevity comes from robust steel support system.

Structure Design Manual - Illinois State Toll Highway ...

STRUCTURE DESIGN MANUAL The Structure Design Manual dated March 2018 replaces the Structure Design Manual issued March 2017. Revision Summary • Article 1.4: Revise phi to resistance. • Article 2.4: Updated to include reference to All Bridge Designers (ABD) Memorandum 14.2 "Revised Scour Design Policy", issued on November 7, 2014.

Finger joint bends on Luther Draffen Bridge, traffic ...

Jul 22, 2017 · Finger joint bends on Luther Draffen Bridge, traffic restricted July 22, 2017 Press Release Local News , Top Stories Eastbound traffic has been restricted to one lane on the I-24 Tennessee River Bridge at the Marshall-Livingston County Line.

2013 Virginia Concrete Conference Joint Maintenance …

Finger Joints Cushion Seal ... Assistant State Structure and Bridge Engineer for Maintenance and posted in IPM. 55 . Joint Maintenance 56 ... 2013 Virginia Concrete Conference Joint Maintenance and Best Practices in Deck Joint Replacement Jeff Milton Bridge Preservation Specialist

Bridge Joints for Maximizing Driving Comfort

Bridge joints, such as rubber bridge expansion joints, finger joints, multiple-gap joints, are mainly composed by premium steel and rubber. ... Strip seal joints with simple but strong structure can accommodate up to 80 mm movement and bear high load in bridges and highways.

Steelflex® Modular Expansion Joint Systems | D.S. Brown

D.S. Brown Steelflex ® Modular Expansion Joint Systems have gained overwhelming worldwide acceptance for accommodating and sealing large joint movements on bridge structures. By incorporating the results of recent research activities, each joint system is designed to provide watertight, fatigue resistant, long-term, maintenance-free performance.

Bridge Joint Materials | Air Tight, Flexible, Waterproof ...

Bridge Joints are gaps between segments of a bridge allowing for thermal movement. Bridge temperatures change more rapidly than road temperatures, and the two pavement surfaces expand and contract at different rates. Without bridge joints, the two different pavements would begin to destroy each other; even damaging the actual bridge structure as well.


bridge joint / rubber bearing / handrailing / guardrail / road furniture / safety product & etc About Us With the rapid development towards road and bridge structure engineering, CAKRA ULUNG SDN BHD has been part of the successful installer/applicator for the road and bridge elements.

Granor — Steel Finger Expansion Joints – Series “SFEJ”

The Granor ETIC® SFEJ series Steel Finger joints are robust Bridge deck expansion joints that accommodate larger movements ranging from 150mm up to 600mm total capacity. These joints should be adopted where the structure gap will open beyond 85mm ULS, in which case the use of a ‘stripseal’ type single seal element joint will transgress the maximum 85mm open gap criterion nominated in …

China Highway Bridge Expansion Joint for Bridge Structure ...

Highway Bridge Expansion Joint for Bridge Structure Haider expansion joints includes single rail type and modular type. Our expansion joint system allows bridge deck movements while maintaining a smooth watertight riding surface. Engineered to last longer than the bridge deck, joints longevity comes from robust steel support system.

Dornsife, R.J. Expansion Joints. Bridge Engineering ...

Bolt-Down Panel Joints • Strip Seal Joints • Steel Finger Joints • Design Example 2 25.6 Large Movement Range Joints Modular Bridge Expansion Joints • Design Example 3 25.7 Construction and Maintenance 25.1 Introduction Expansion joint systems are integral, yet often overlooked, components designed to accommodate cyclic movements.



Joints and Skeletal Movement | Boundless Biology

Synovial joints are further classified into six different categories on the basis of the shape and structure of the joint. The shape of the joint affects the type of movement permitted by the joint. These joints can be described as planar, hinge, pivot, condyloid, saddle, or ball-and-socket joints.

Finger Anatomy Picture Image on MedicineNet

Understanding the basic anatomy of the hand and fingers is useful in understanding different types of finger injuries, broken fingers, and how some treatments differ from others. Fingers are constructed of ligaments (strong supportive tissue connecting bone to bone), tendons (attachment tissue from muscle to bone), and three phalanges (bones).

: Roadway Expansion Joints

MAURER Sliding Lamella Expansion Joints are designed for the special connection to the bridge deck. This expansion joint is intended for structures not allowing for standard installation; instead, an existing recess has to be used for installation.

Finger Anatomy, Bones, Joints, Muscle Movements and …

Anatomy of the fingers. The human finger is mainly a bony structure with multiple joints giving it strength and flexibility. A digit includes the hand bones but these bones are not separated into individual appendages like a finger.

751.13 Expansion Joint Systems - Engineering_Policy_Guide

751.13.1 Expansion Joint Systems 751.13.1.1 General. The number of movable deck joints in a structure should be minimized or eliminated in favor of the preferred and more commonplace integral bridge construction following the integral bridge maximum construction length limits given in EPG 751.14.1.2 Girder Limits and Preferences and EPG 751.22.1.4 Span and Structure Lengths.


Design of Bridge Deck Drainage ... €€€€€€€€€€€€€€€€ 6.4.2 Location to Conform to Structure and Aesthetic Needs ... Finger joint with elastometric sheet to catch drainage. Figure 11. Bridge end storm drain. Figure 12. Bridge end detail--CMP drop inlet.

Bridge Expansion Joints - Ekspan Ltd

EC & EW Joint Seals (Type 4) Seal type expansion joints are used at road level, especially on car parks and some bridge structures. The main function of expansion joints is to absorb movements of bridges caused by changes in temperature, thus avoiding any bulge …

2013 Virginia Concrete Conference Joint Maintenance …

The best joint maintenance is to eliminate the joint Chapter 32 of the Manual of the Structure and Bridge Division contains the following instructions to designers – The designer shall investigate the feasibility of eliminating all deck expansion joints. Typically, issues requiring …

TENSA-FINGER GF - Steel expansion joint / for bridge ...

mageba TENSA-FINGER GF sliding finger joints are bridge expansion joints for movements of up to 1,000 mm. Steel finger plates span between edge profiles which are anchored at either side of the bridge gap, and which feature isolation flanges for the connection of …

Bridge Construction Manual - KDOT: Home

Version 10/11 KDOT Bridge Section 1.0-Introduction - 2. General: This Manual is intended to better communicate the intent of the plans, Standard Specifications for State Road and Bridge Construction, Special Provisions, and Project Special Provisions to KDOT …

BASF Watson Bowman Acme | Wabo®Modular System

Wabo®Modular System. Model Numbers: #STM #D Lasts Longer Than Other Bridge Components. Field proven under the toughest bridge conditions everywhere in the world, the Wabo®Modular joint system is made to order in accordance with the highest fabrication standards and can be engineered to meet a variety of conditions and movement requirements.

What Bridge Designs Are the Strongest for Science Projects ...

Beam Bridge: This is the simplest kind of bridge, requiring just a straight span, which bears all of the tension ("pulling" stress) of the bridge load, and piers, which bear the compression forces.These are cheap and easier to build than other bridges, but they're poorly suited for large waterways because their individual spans between piers cannot be very long.

Bridge Standards (English)

Off-System 24-Ft Rdwy Bridge Standards Available for download Prestressed I-Girder standards are available for structures with Type Tx28 thru Tx62 girders. These are included in our issued set of Prestressed Concrete I-Girder standards.See MISCELLANEOUS STANDARDS section in the list for all additional standard drawings required.


vehicular traffic through use of separate bridge structures or with suitable demarcation barriers. In this scenario steel finger joints can be used for the vehicular traffic and cyclist friendly expansion joints with appropriate movement range used for cyclist traffic. For recommendations regarding

What is the difference between construction joint and ...

Jul 20, 2017 · Expansion joints are generally placed at various intervals to allow for the expansion/contraction of the material of the bridge (or any structure). In the case of bridges, the joint left is filled with a flexible filler that will expand/contract with the joint as it gets longer/shorter due to climate.

Sample Plans | Document Library | Bridge Design | NH ...

The Bureau of Bridge Design has assembled Sample Plans and Bridge Plan Checklists that can be used as an aide in the preparation of detail construction plans for bridges. The sample plans and checklists are intended to be used only as a general guide for sheet layout, or reminder, to the designer, checker, and reviewer, and are not intended to be a replacement for the user’s own professional ...

Finger-jointed sawn timber | Wood Products

By using finger joints, it is possible to produce, for example, pieces of sawn timber that are made completely of heartwood, completely knotless and very straight. Such special products are usually used in the furniture and window industries. Finger-jointed sawn timber is available with a sawn surface, dimensioned and planed.

Bridge Structures Design Criteria Version 6

Alberta Transportation Bridge Structures Design Criteria v. 8.0 page 3 SUPERSEDED BY VERSION 8.1 SEPTEMBER 30, 2018 LIST OF CHANGES The following page is reserved for documenting changes to this version of the Bridge Structures Design Criteria.

Finger Type Expansion Joint for Bridge-Hebei Zaoqiang ...

Finger type expansion joint are designed to handle displacements of up to 250 mm between the bridge decks they are fastened to.Finger-type joints comprise two separate elements (male and female) with a steel structure entirely bonded with vulcanised rubber,which are then secured to the structure with suitable anchor bolts.Surface water can drain away easily due to special elastic membranes ...

Companies & offices in the construction sector | Structurae

International directory of engineering and design offices, contractors, manufacturers, etc. in the architecture, engineering and construction sector with company profiles, information on products and services offered, reference projects and application reports.

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