elastomeric bearing design spreadsheet

garinger May 08, 2022 bearing , design , elastomeric , spreadsheet Comment

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.

Design Of Elastomeric Bearing Spreadsheet Spreadsheet Design Spreadsheet Design

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.

. 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. The 175 ksi delamination stress limit of Eq. Mx Maximum moment about transverse axis kN-m.

Ii Mu Factored bending moment kN-m. 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. 2022 Steel-Reinforced Elastomeric Bearings Reference.

LRFD Pile Length - IDOT ENR Formula Spreadsheet 093015. The following file contains an Excel spreadsheet used to calculate the joint opening size for NYS Armorless Bridge Joints. S147532-3 requires a total.

Previous elastomeric bearing design provisions were developed in NCHRP Project 10-20. 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. PL Service compressive load due to live load kN.

Both the design guide and spreadsheet are current to the AASHTO LRFD 9th Edition specification. For skewed bridges the Distribution Factor for Shear may be modified by multiplying it with a Modification Factor given as. Some spreadsheets may be used in the LRFD design of typical pier caps pile footings and steel laminated elastomeric bearings.

Structural engineers or bridge engineers find it difficult to create the design for all the structural elements. A laminated elastomeric bearing is an elastomeric rubber block reinforced with steel plates vulcanised when built. LRFD Article 1476 Where possible steel-reinforced elastomeric bearings should be used for all girder bridges.

Of Steel Shim Plates nshims 10 No. They are usually a low-cost option and require minimal maintenance. Spreadsheets containing the revised Method A and Method B design procedures have been developed.

Transmission of normal forces. This bearing is the. August 18 2015.

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. N Normal force perpendicular to surface kN. PT Service compressive load due to total load kN.

A laminated elastomeric bearing is an elastomeric rubber block reinforced with steel plates vulcanised when built. Local requirements should be. Bearing Length L 1500 in AASHTO 14751 Bearing Pad Layers Exterior Elastomeric Thickness hre 0125 in OK 70 hri AASHTO 14751 Interior Elastomeric Thickness hri 0500 in Steel Plate Thickness hs 0125 in No.

It engages enlightens and empowers engineers through interesting informative and inspirational content. In midas Civil you can use the Elastic Link. They are available to designers and have been uploaded to JBearings.

Steel Reinforced Elastomeric Bearing Design Spreadsheet and Examples. The program is applicable to the design of elastomeric pads and steel-reinforced elastomeric bearings both rectangular and circular in shape. In midas Civil the Elastic Links results forces and deformations properly combined with Load Combinations can be directly considered as the input for the separate design of the elastomeric bearings that should be conducted by the engineer.

For steel-reinforced elastomeric bearings and fiber reinforced pads the program. The Iowa DOT Bridge Design Manual BDM should be consulted for the most up-to-date policies. Here the bridge design and analysis spreadsheet comes in handy for the engineers who are associated with bridge engineering.

This bearing is the connection between a structure and its support and should make the following possible through elastic deformation. The excel sheet can be used for the following purposes-. 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.

Ø 0002 Radian Slope of girder at the bearing Dead Load unfactored DL 3934 kips. These provisions were introduced into the first edition of the LRFD Bridge Design. Elastomeric Bearing Design Example contd Correction Factor for Skew.

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. Rotation of the structure in. There are diverse types of bridges which contain various types of structures.

To achieve quick summary of divergent sections and parts of diversified. INTRODUCTION ELASTOMERIC BEARINGS Introduced nearly 60 years ago Laminated SteelElastomer Bearing Pads are now in. Figure 202-B illustrates a steel-reinforced elastomeric bearing assembly used with a steel girder.

Pr Factored compressive resistance kN. N Number of elastomer layers. Elastomeric bearing design spreadsheet.

Of Interior Elastomer Layers n 9 AASHTO 147533 Total Elastomer Thickness hrt. 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. A46223 c-1 10 0 2 tan T.

Civilax - The Civil Engineering Knowledge Base is the premier resource for practicing civil structural engineers. Issued September 2020. The following design program was developed based upon the above-referenced AASHTO LRFD code.

They are usually a low-cost option and require minimal maintenance.

Spreadsheet For Design Of Elastomeric Bearings For Bridges Spreadsheet Data Design Bridge