Expansion Joints

Expansion Joint by Nivedit Mathur & Manik Deshpande NISH-IN MLD-IN

This presentation consists of:- ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction:- The reasons for organizing this presentation are:- ,[object Object],[object Object],[object Object]

Definition and Application:- Expansion Joint is an flexible connector designed to perform the following four major task:- ,[object Object],[object Object],[object Object],[object Object]

Definition and Application: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Working Principle:- ,[object Object],[object Object],[object Object],[object Object]

Metallic versus Non-Metallic Type: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Consideration:- ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Consideration:- ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Formula:- Increase in length = aTL

Case wise Methodology: ,[object Object]

[object Object],Two different values of temperature must be considered for calculation For Cyclone Temperature should be skin temperature III – For Pre-heater downcomer duct. Total axial movement is 35.145+12.48=47.625~50mm

[object Object],Movement due to connecting equipment must be taken in to consideration. Resultant movement

[object Object],Two different temperature condition on the same duct. Two different temperature condition on the same duct.

[object Object],During shut off condition the movements due to duct 85-10 will alone exist and movements due to duct 85-3 will not act So maximum lateral movements is considered and axial movements due to both duct considering working condition. .

[object Object],As Axial movement for this expansion joint act in the same direction the relative value Should be considered . . As both the lateral values act in two different axis the resultant is taken (√13.152+21.482) Two different temperature condition on the same duct. Two different temperature condition on the same duct.

[object Object],In cases like this where the slide support is placed you have to check the moment acting on the fixed support. Resultant movement

Expansion Joints

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Expansion Joints