Allowing for movement whilst keeping the joint dry is of primary importance on any bridge. An early estimation of the sizes of steel sections in a mediumspan composite highway bridge can be made by using preliminary steel bridge design charts. Effective deck drainage is necessary to minimize the possibilities of vehicular hydroplaning and corrosion of the bridge structure. It includes design theory, stepbystep design procedures, and illustrative examples. Concrete bridge decks resist wear and weather well, provide good traction and ride quality, and in many designs provide a part of the structural strength of the bridge. Bridge deck drainage systems are to be designed to accommodate runoff using the design criteria for rainfall intensities and spread of gutter flow set forth in table 1. The lowes deck design tool is a deck builder that helps you design the deck youve been dreaming about. Doing business manuals and guides illinois department of. The empirical design method requires less reinforcement in the interior portions of the deck than the approximate method.
Deck drainage impacts are to be considered at the bridge conceptual design stage to minimize the potential for deck drainage issues while there is still room for. Fastflow bridge deck drainage provides a complete drainage solution for both bridges and standard groundworks. In considering a costefficient drainage design, the initial cost should be considered, but facility longevity and future maintenance costs and legal and environmental constraints should be considered also. Kenway provides a range of composite bridge drainage pipes and drainage components. Section 5 bridge decks new york state department of. Design of bridge deck drainage should the design process indicate a drainage system is needed, utilization of the most hydraulically efficient and maintenancefree system is emphasized. It provides policies, procedures and methods for developing and documenting the design process. Contech provides innovative, costeffective site solutions to engineers, contractors, and developers on projects across north america.
The fastflow bridge deck drainage range provides a complete drainage solution for both bridges and standard groundworks. A design nomograph allows a rapid decision to be made. Hec 21 design of bridge deck drainage 1993 fhwasa92010 hec 22 urban drainage design manual third edition 2009 082220 fhwanhi9 hec 23 bridge scour and stream instability countermeasures experience, selection, and design guidance third edition, volume 1 2009 fhwanhi09111 hec 23 bridge scour and stream instability countermeasures. On the internet you can find deck design software, which will help you create your own unique project. The primary reason for a good bridge deck drainage design is to provide for safe passage of vehicles during the design storm event. Technical details of the assessment process are included in the appendix. Bridge deck drainage systems have to be solid, easy to install and to maintain.
A fraction of this pollution is conveyed to receiving waters by stormwater drainage from highways. When deck drainage interceptors are needed, a storm sewer collection system will be necessary to discharge. This manual is intended to provide general guidance, and not solutions that are specific to any project. Our prefabricated products make short work of installation.
This website utilizes varied software, media tools, files and applications to present or make available varied information. Some of these programs have advanced functionality that not only helps you to create composite bridge deck design example, but also uses the cost calculator to estimate the cost of the project. The bridge deck drain spreadsheet may be used to assist the designer in locating deck drains. Any other use is at the sole discretion of the user. The only product that is compliant at the point of purchase. Hydrain young and krolak, 1992 storm drain design and analysis hydra model, can be used to. Proper drainage increases safety and prolongs the lifetime of the bridge. Chapter 15 structural design requirements for designbuild. With the most responsive team and the most costeffective products, contech has been helping engineers, contractors and owners on infrastructure and land development projects for more than a century. A structure built over a depression or obstacle for passageway. Generally, it is more difficult to drain bridge decks than approach roadways for several reasons. Is there any software available to design a reinforced concrete bridge deck using current aashto lrfd criteria. Bridge deck site for all rainfall events monitored, loop 289, lubbock. The current practice for bridge deck drainage assessment is formally accepted as the departments best practice.
As spread of water from the curb increases, the risks of traffic accidents and delays, and the nuisance and possible hazard to pedestrian traffic increases. The highways agency has highlighted the need for effective subsurface drainage to prevent serious damage to the waterproof membrane and pavement. Pam cast iron are solid and modular systems to ease handling and installation. Concrete bridge deck design software bridge engineering. From a hydraulic point of view, inlets should be large and widely separated. Hydraulic performance of small scale bridge deck drains. The software tools included in bridgelink are betoolbox, pgsplice, pgsuper, toga, and xbrate. The primary goal in the design of the bridge deck slab drainage system is to limit the amount of. Bridge deck drainage roadway and bridge deck profiles shall be adjusted as much as possible to avoid having bridge drains on the bridge. Drideck is a complete solution for the collection of water at the subsurface level that can be used in conjunction with our envirodeck kerb drainage systems. The manual is a compendium of bridge drainage design guidance.
Bridgelink links together several different bridge engineering software tools into one convenient and easy to use platform. A range of sizes, shapes, depths, strength and stiffness properties as well as custom colors is available. An inlet is a common location for debris to collect and potentially clog a drainage system. Engineering software texas department of transportation.
The top of the bridge deck has a waterproofing membrane applied. The bridge drainage systems covered in this section includes the bridge deck gutter, drainage inlets, downspouts and longitudinal stormwater drain pipes suspended under the deck slab. The primary reason for a good bridge deck drainage design is to provide. This txdotcustomized version of pgsuper is versatile, user friendly, windowsbased software for the design, analysis, and load rating of multispan precastprestressed concrete bridge beamsgirders in accordance with the aashto lrfd bridge design specifications thru the 8th edition, 2017 and by txdot design policies and guidelines. The deck is vulnerable to the effects of mechanical wear and weather. Characterization of stormwater runoff from a bridge deck. This spreadsheet was developed to aid the design of typical strip seal expansion joints. Bridge drainage, chambers, subsurface drainage, grates. Since revisions or additions to the design file drawings may occur at any time, the receiver agrees to indemnify, defend and hold harmless wsdot, its officers, agents, and employees from and against any and all claims, suits, losses, damages or costs, including reasonable attorneys fees. How to create a composite bridge deck design example.
Contech engineered solutions solutions for every site. Bridge drains also known as bridge scuppers available at j. Structural bridge design bridge analysis software autodesk. Bridgelink is an integrated suite of bridge engineering software. To address drainage and hydrology considerations in highway design and corridor management, the ministry of transportation. This manual is intended to be a guide for engineers working on bridge design projects for the wvdoh. Drainage systems comprise a complicated mix of components, from street inlets to pipes, and from streams and open channels to ponds and control structures that are designed to attenuate flow or prevent pollution. For the users convenience, all design graphs and nomographs appear in an appendix. Bridge deck inlets go to chapter 6 the design of the bridge deck inlet is important because it removes water from a bridge deck within the limits of allowable spread. Our drainage solution can help you understand and effectively design these types of systems ranging from civil drainage projects to. We also have special solutions for green roofs, copings and for emergency drainage. Aco offers products made of cast iron and stainless steel.
Integration of practical drainage details into overall structural design is presented. The simplest and versatile software for structural analysis and design of bridges with super structures, sub structures, foundations, hydrological analysis, culverts, underpasses. Id rather not go through the effort of developing my own spreadsheets if the software is readily available. Where it is necessary to intercept deck drainage at intermediate points along the bridge, the design of interceptors shall conform to hec21 procedures. Design of bridge deck drainage fhwa us department of. Omega performed all hydrology and hydraulics studies and engineering for the project, including bridge hydraulics, scour analysis, inline detention and retention mitigation, culvert layouts, storm sewer and bridge deck drainage design, an impact study for keystone dam, fema floodplain mitigation, and broken back culvert analysis. Hydraulic capacities of commonly used sewer inlets, ditch inlets, and bridge deck drains are not well known and this seriously impedes attempts to rationalize the design of road and bridge deck drainage systems. Proper design requires the accurate determination of the flow rates that will be used to design the bridge or culvert opening and scour mitigation measures. Drainage system design and analysis software solutions. This bridge design manual was prepared by siteblauvelt engineers, inc. This document presents criteria to determine if bridge drainage scuppers and drains are required. Well show you how to build a deck, whether you want a diy deck or you want us to help with your deck designs. The methods used must be in conformance with the analysis methods and principles outlined in the mto drainage management manual.
Instead, rainfall collects and is channeled along these barriers until it reaches a. The presence of bridge barriers, curbs, and raised medians impedes the ability of rainfall runoff to drain off of bridge decks into ditch systems, as it does on a typical barrier free rural roadway. Structural bridge design bridge analysis software integrates loading, analysis, and code checking aashto lfrd, eurocodes, and more throughout the project. The bridge design manual shall be consulted for deck drain policy requirements.
Bridge drains, bridge scuppers, bridge drainage, bridge. Design of bridge deck drainage, hydraulic engineering circular no. Aco helps you to design the correct roof drainage and to perform the hydraulic calculations with its latest, standardised design software and its extensive practical knowledge. The bridge deck drainage design spreadsheet available in the office in the. For example, standard fiberglass bridge drain pipes, custom bridge drain scuppers, and engineered bridge drain piping and collection systems. Part of a stream crossing system that includes the approach roadway across the floodplain and any openings. The manual also stresses the advantages of designing to minimize the complexity of bridge deck drainage systems. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 42 dead and live loads acting on the deck. We design our bridge deck products to accommodate any superstructure configuration as well as incorporate features like skews, curbs and drain scuppers. Saintgobain pam cast iron pipe systems are available in a range of diameters from 50 up to 600, to suit all sites configurations and build consistent pipeworks. Some highway runoff is treated by structural or nonstructural systems best management practices. To help you get a better ideas of the quantity and cost of materials youll need, as well as measurements and specifications to build your deck according to a plan, weve created several deck building calculators. Composite design provides an advantage in reducing the necessary section of primary members and also serves to significantly stiff en the bridge.
The manuals within this page are all downloadable as pdfs free of charge. A vital part of a bridge design is the drainage system. Drainage system design is approached from the viewpoints of hydraulic capacity, traffic. The bridge drain is made from astm a48 class 35 gray iron and the grates are made from astm a536 grade 65 ductile iron. Design of bridge deck drainage a pdh online course for. If bridge geometry is such that drains are required, the number of drains should be minimized as much as possible while still providing a bridge deck drainage design that meets required standards. This means that our units have been proven to withstand the d400 load test without the need for concrete haunching to achieve structural strength. Where applicable, you can see countryspecific product information, offers, and pricing.
This 6 hour course, design of bridge deck drainage will cover several topics including the rational method for determining the flow rate of stormwater, bridge. This 6 hour course, design of bridge deck drainage will cover several topics including the rational method for determining the flow rate of stormwater, bridge grade requirements, piping design and other topics that are essential to a safe and efficient design of bridge deck drainage. Customize with a variety of choices for deck railings, decking posts and other decking materials like composite decking. Download structural design software astra pro 23 developed by techsoft engineering services. Envirodeck and envirobridge are simple and effective bridge drainage systems with advantages both during construction and throughout the lifetime of the bridge. The program will inform the user if drains are required.
The manual provides guidelines and procedures for designing bridge deck drainage systems, including illustrative examples. We manufacture a range of products for crossing an existing or new expansion joint. If you would like to purchase a manual, please visit our manual sales page. Idf curve can be obtained from hydro in the hydrain software using. This software and other files are intended for use by consultants working for the bridges and structures bureau in their development of projects for the iowa department of transportation. New bridge design information is continually developing.
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