elastomeric bearing design spreadsheet

leighcration5618 May 09, 2022 bearing , design , elastomeric , spreadsheet Comment

The program is applicable to the design of elastomeric pads and steel-reinforced elastomeric bearings both rectangular and circular in shape. They are usually a low-cost option and require minimal maintenance.

Elastomeric Bearing Design

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.

. I Moment of inertia mm4. In midas Civil you can use the Elastic Link. N Number of elastomer layers.

The excel sheet can be used for the following purposes- Deck Reinforcement Design Girder Design Elastomeric Bearing Design There are diverse types of bridges which contain various types of structures. Mmax Maximum service moment kNm. It engages enlightens and empowers engineers through interesting informative and inspirational content.

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. This bearing is the. L Length of a rectangular elastomeric bearing parallel to longitudinal bridge axis mm.

PL Service compressive load due to live load kN. Both the design guide and spreadsheet are current to the AASHTO LRFD 9th Edition specification. A laminated elastomeric bearing is an elastomeric rubber block reinforced with steel plates vulcanised when built.

LRFD Pile Length - IDOT ENR Formula Spreadsheet 093015. 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 Inputs required for Bridge Bearing design.

The Iowa DOT Bridge Design Manual BDM should be consulted for the most up-to-date policies. Hs Thickness of steel laminate in steel-laminated elastomeric bearing mm. Civilax - The Civil Engineering Knowledge Base is the premier resource for practicing civil structural engineers.

S147532-3 requires a total. DL Dead Load - by client LL Live Load by client Rotation in radians by client FoS Factor of Safety by client Horizontal movement by client. Spreadsheet applies to rectangular shaped bearings only.

Figure 202-B illustrates a steel-reinforced elastomeric bearing assembly used with a steel girder. Hrt Total elastomer thickness in an elastomeric bearing mm. N Normal force perpendicular to surface kN.

LRFD Article 1476 Where possible steel-reinforced elastomeric bearings should be used for all girder bridges. 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. Interior Elastomeric Thickness hri 0500 in Steel Plate Thickness hs 0125 in No.

Of Steel Shim Plates nshims 10 No. Some spreadsheets may be used in the LRFD design of typical pier caps pile footings and steel laminated elastomeric bearings. Mx Maximum moment about transverse axis kN-m.

To achieve quick summary of divergent sections and parts of diversified. Engineering Spreadsheets Elastomeric Bearing Design according to AASHTO LRFD By Civilax - August 18 2015 1 627 The following design program was developed based upon the above-referenced AASHTO LRFD code. The 175 ksi delamination stress limit of Eq.

INTRODUCTION ELASTOMERIC BEARINGS Introduced nearly 60 years ago Laminated SteelElastomer Bearing Pads are now in. Structural engineers or bridge engineers find it difficult to create the design for all the structural elements. 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.

Elastomeric bearing design spreadsheet. 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. Mgr r skew x mg where r skew Correction Factor for Skew mg Uncorrected Distribution Factor neglecting skew MI0 826 mg V Uncorrected Distribution Factor For Shear Interior Beams mg V SE 0 762 Uncorrected Distribution Factor For Shear Exterior Beams.

The following file contains an Excel spreadsheet used to calculate the joint opening size for NYS Armorless Bridge Joints. Local requirements should be. Ii Mu Factored bending moment kN-m.

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. Here the bridge design and analysis spreadsheet comes in handy for the engineers who are associated with bridge engineering. The 175 ksi delamination stress limit of Eq.

Pr Factored compressive resistance kN. 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. 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.

M Moment kN-m. 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. Elastomeric Bearing Design Example contd Corrected for Skew.

PD Service compressive load due to dead load kN. PT Service compressive load due to total load kN. Issued September 2020.

Of Interior Elastomer Layers n 9 AASHTO 147533 Total Elastomer Thickness hrt 4750 in Total Bearing Height t 600 in OK 2 minimum height per BDM 1458 Bearing Material Properties Elastomer Grade Grade 3 Zone. It engages enlightens and empowers engineers through interesting informative and inspirational content. 2022 Steel-Reinforced Elastomeric Bearings Reference.

Elastomeric Bearing Design