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I think 3DDave has a point there. However in this particular case, does that mean irrespective of the bend angle that you select (whether it is by R or 2R) there will be further spring back ?. Or does this mean if you have already selected 2R and selected angle accordingly, there is no further...

Thanks Roby, this is what i am also thinking. Only doubt remaining is if i am ignorant to any additional consideration in elastic bending.

If i put the my values in the highlighted formulae above b = 30m r = R ψ = 30/R (radians), why r is taken as 2R instead of R

Thanks for the response. However, i am still struggling to understand the division by 2R here

Hi Guys, as i understand the basic rule of math to calculate angle subtended by an arc is to divide the arc length by radius. This rule is extensively used in calculating Hot and cold bending angles for a given arc length. I was given a similar calculation for elastic bend angles by one of my...

Please find attached self expalanatory file in which the mathcad programme is not solving the equations when there are units for variables. Please assisthttps://files.engineering.com/getfile.aspx?folder=c8ce046f-267c-4cc2-9998-748352fc4cd0&file=Units_Query.xmcd

Under ASME B 31.8 code, we were trying to analyze a system for expansion stress case from Maximum Design Temperature to Minimum Design Temperature (Complete thermal stress range Load Case). - Software used is Caeser II In stresses extended report, The Allowable stress and stress ratio is found...

Under ASME B 31.8 code, we were trying to analyze a system for expansion stress case from Maximum Design Temperature to Minimum Design Temperature (Complete thermal stress range Load Case). In stresses extended report, The Allowable stress and stress ratio is found to be Zero for all the...

Hi, We have given a guide gap of 3 mm at a particular node to restrict the lateral movement of 6" pipe. However after analysis, the same node is showing a lateral displacement of 3.079 mm. There is no issue with the restraint definition. What can be the possible issue here?. Thanks

Hi, while i was doing the stress analysis of a system, i was getting huge negative deflection in the y direction on all vertical supports...what can be the possible reason for this? Is this because of some configuration issue?. The reason why i am asking this is because, when i copied the ceaser...

What is the difference between Class A, B & C pipe fittings ?

We need to propose best anchoring method for dredging vessel in a location where sea bed is mostly dense sand (calcareous). Maximum required holding capacity of the anchor is 1200 KN .In the past experience, Stevshark anchors were difficult to be placed in the project location due to lack of...

What is the difference between corrosion coupon and corrosion probe ?

Thanks BigInch At the end we will be getting a collapse pressure value . How to check whether our design is safe with that collapse pressure value ?

Can you explain me this check ?

To check whether the pipe can withstand external pressure due to the loads like earth load, A test called vaccum adequacy check is being done. Somebody please explain this check.

But in restrained section , bending stress will be insignificant..no ? as it will be restrained in all directions

Hey i have got a basic doubt. In ASME B31.4 definition of unrestrained section goes likes this , It is free to displace laterally and to strain axially.. displacement happens means there is strain..ryt ? so that means it is free to strain in all directions..ryt ?

Tresca stress is SH -SL SH = 347.5 SL = 104.3-72.4 = 31.9 SH-SL = 347.5 - 31.9 =315.6

is this section restrained or unrestrained ?