Truss load calculations.

[Zendy]

Heya,

 

I have been watching this company rig for the past hour and their truss line is the happiest one I've seen.

Anyway, I was looking up the load calcs for Eurotruss.

I found this

LoadsLength in mtr481216Distr. load in kg/mtr4601245531Deflection in mm1254128243Point Load in kg/mtr950497331249Deflection in mm1044105202

 

 

Not sure how to interpret this table.

I assume this means that at 16 metres of length(using 2 points?), one can hang 31 kgs per m on the truss??? uniform load of course.

I, however, am not so sure about what the POINT LOAD IN KG/MTR indicates. would this refer to the weight being put on each motor/point or if it is a third point/quarter point load type scenario.

 

Cheers guys,

zen

 

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Oops, that table looks terrible. Here's the link.

Cheers

 

http://www.eurotruss.nl/product_show.php?cat=1&id=15

[adamharman]

I think that's a mis-print. Point load should just be kg, not kg/m.

You can put one point load on the span (calcs will assume centre of span as that gives the most deflection) OR the distributed load, not both.

 

Edit to add: those figures will be for a single span between two supports (stands or hanging). More supports is more complicated.

[Seano]

I, however, am not so sure about what the POINT LOAD IN KG/MTR indicates. would this refer to the weight being put on each motor/point or if it is a third point/quarter point load type scenario.

 

I'm not surprised, its gobbledegook.

My guess: The "per meter" bit is a typo and its a centre point load (in kilos). The numbers are about right for that.

[Pete McCrea]

I'd second adamharman and Seano that the second should be a point load at the centre of the span.

 

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I'd second adamharman and Seano that the second should be a point load at the centre of the span.