elastomeric bearing design spreadsheet

colinmathurin25300 May 01, 2022 bearing , elastomeric , spreadsheet , wallpaper Comment

N Normal force perpendicular to surface kN. For steel-reinforced elastomeric bearings and fiber reinforced pads the program.

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The program is applicable to the design of elastomeric pads and steel-reinforced elastomeric bearings both rectangular and circular in shape.

. EXAMPLE 3 - TYPE I BEARING REINFORCED METHOD B. A46223 c-1 10 0 2 tan T. Rotation of the structure in.

Issued September 2020. Transmission of normal forces. Steel Reinforced Elastomeric Bearing Design Spreadsheet and Examples.

LRFD Pile Length - IDOT ENR Formula Spreadsheet 093015. There are diverse types of bridges which contain various types of structures. Previous elastomeric bearing design provisions were developed in NCHRP Project 10-20.

Spreadsheets containing the revised Method A and Method B design procedures have been developed. The following zipped file contains Mathcad worksheets that analyze and design elastomeric bridge bearings in accordance with the AASHTO LRFD specifications 2012 with 2013 Interim Revisions. For skewed bridges the Distribution Factor for Shear may be modified by multiplying it with a Modification Factor given as.

An Excel spreadsheet for the design of rectangular expansion bearing pads or fixed bearings with laminated pads This spreadsheet was developed to aid the design of typical rectangular steel laminated elastomeric bearings. It engages enlightens and empowers engineers through interesting informative and inspirational content. The Iowa DOT Bridge Design Manual BDM should be consulted for the most up-to-date policies.

Civilax - The Civil Engineering Knowledge Base is the premier resource for practicing civil structural engineers. Figure 202-B illustrates a steel-reinforced elastomeric bearing assembly used with a steel girder. 2022 Steel-Reinforced Elastomeric Bearings Reference.

The 175 ksi delamination stress limit of Eq. The following file contains an Excel spreadsheet used to calculate the joint opening size for NYS Armorless Bridge Joints. They are available to designers and have been uploaded to JBearings.

Long term dead load deflection. Ø 0002 Radian Slope of girder at the bearing Dead Load unfactored DL 3934 kips. PT Service compressive load due to total load kN.

Elastomeric Bearing Design Example contd Correction Factor for Skew. August 18 2015. The excel sheet can be used for the following purposes-.

Structural engineers or bridge engineers find it difficult to create the design for all the structural elements. Design a steel reinforced elastomeric bearing for the interior girders at the intermediate pier A typical elastomer with hardness 60 Shore A Durometer and a shear modulus of 150 psi is assumed. LRFD Article 1476 Where possible steel-reinforced elastomeric bearings should be used for all girder bridges.

PL Service compressive load due to live load kN. Elastomeric pads and steel-reinforced elastomeric bearings both rectangular and circular in shape. A laminated elastomeric bearing is an elastomeric rubber block reinforced with steel plates vulcanised when built.

This bearing is the. This bearing is the connection between a structure and its support and should make the following possible through elastic deformation. Initial dead load compressive strain in ith layer of elastomeric pad AASHTO C147536-1 0040 in.

The download includes a blank design spreadsheet as well as two completed examples drawn from the inputs and solutions for Examples 1 and 2 presented in Bolted Field Splices for Steel Bridge Flexural Members design guide. They are usually a low-cost option and require minimal maintenance. Ii Mu Factored bending moment kN-m.

These provisions were introduced into the first edition of the LRFD Bridge Design. A laminated elastomeric bearing is an elastomeric rubber block reinforced with steel plates vulcanised when built. Arrangements should be made at the design stage to allow for sufficient clearance around the bearings during installation and to accommodate for long term monitoring maintenance and potential replacement.

PD Service compressive load due to dead load kN. Some of these spreadsheets allow the user to determine typical pier loads based on the AASHTO LRFD code for use with the RC-Pier software. An Excel spreadsheet for the design of rectangular expansion bearing pads or fixed bearings with laminated pads This spreadsheet was developed to aid the design of typical rectangular steel laminated.

For steel-reinforced elastomeric bearings and fiber-Horizontal Movement of Bridge Superstructure Δ0 in2 reinforced pads the program assumes that interior elastomeric layers are of equal thickness as are the two exterior elastomeric layers. DESIGN ELASTOMERIC BEARINGS While AASHTO Specifications allow two design approaches Methods A and B Section 14 many States have super-imposed their own limitations on the design process. They are usually a low-cost option and require minimal maintenance.

Both the design guide and spreadsheet are current to the AASHTO LRFD 9th Edition specification. Mx Maximum moment about transverse axis kN-m. FIGURE 1 - TYPE I - STEEL REINFORCED BEARING DETAIL - PLAN CDOT Bridge Design Manual January 2017.

N Number of elastomer layers. AASHTO 147536-3 0055 in. Some spreadsheets may be used in the LRFD design of typical pier caps pile footings and steel laminated elastomeric bearings.

INTRODUCTION ELASTOMERIC BEARINGS Introduced nearly 60 years ago Laminated SteelElastomer Bearing Pads are now in. Elastomeric Bridge Bearing Design Design spreadsheet based on AASHTO 16th Edition 1197 Interim Method A AASHTO LRFD Bearing type P - Plain R - reinforced R Bearing type F - Fixed E - expansion E FoS 12 Dead Load rotation. Local requirements should be.

The 3D continuum geometry of an elastomeric bearing design earthquake Elastomeric Bridge Bearing Design Design spreadsheet based on AASHTO 16th Edition 1197 Interim Method A AASHTO LRFD Bearing type P Plain R reinforced R Elastomeric Bearing Design Example Download as PDF File pdf Text File txt or read online. Pr Factored compressive resistance kN. The following design program was developed based upon the above-referenced AASHTO LRFD code.

S147532-3 requires a total.

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