John111
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Briefly, I need to design a framework which would support a plug which is used to fill in the hole in water tank, 4.8m above the ground. In other words, 10.69kN load at angle of 30 degrees is therefore applied to the framework.
So I came up with my design. The problem is that I get zero value for C member. I really think that it should not be zero, as a part of applied force really affects the member. Also, modelling software shows that there must be a force on member C.
There is a hinge support on the left and the roller support on the right.
Here is my solution together with Matchcad matrix calculations.
Thank you for any help!
http://postimg.org/image/6tmh81zx5/ Solution
http://postimg.org/image/9am5ychph/ Mathcad
So I came up with my design. The problem is that I get zero value for C member. I really think that it should not be zero, as a part of applied force really affects the member. Also, modelling software shows that there must be a force on member C.
There is a hinge support on the left and the roller support on the right.
Here is my solution together with Matchcad matrix calculations.
Thank you for any help!
http://postimg.org/image/6tmh81zx5/ Solution
http://postimg.org/image/9am5ychph/ Mathcad