All Questions
Tagged with strength structures
10
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Techniques to make residential buildings more blast resistant
There are generally two approaches:
First: use stronger materials (e.g. thicker RCC with fibres, go underground, etc).
Second: for any given material, use a superior design.
The First approach is ...
- 123
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3
answers
92
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Resultant Forces in a vertical rod
This is a pretty basic question. So in the below figure is the representation of prismatic column. The forces are represented as P1 and P2. let x be an arbitrary cross section between A and B. The ...
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Why are these food stretch films (LLDPE) holding one one-thousandth of the weight in reality than what is expected from the datasheet values?
I am trying to reproduce analytically the results found in this experiment where a weight of 3 x 5 lbs (6,8 kgs total) breaks the cling wrap (LLDPE) which is stretched over a medium size cooking pot.
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4
answers
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Mechanics: example of less mass/volume gives more strength
Lets assume we have a mechanical element from uniform material that is supposed to work in a static load conditions. Moreover lets assume there is no gravity or gravity is negligible.
Are there any ...
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3
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138
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How many support beams/rods needed for a firewood storage cabinet
I am building a firewood storage cabinet which should support around 100-150 kg of firewood.
The cabinet is made out of wooden boards (...
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1
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Is it possible to use Plain Cement Concrete post for fencing?
I am in need of around 700-800 posts to fence my farm in a semi-arid area in TN state, India. In my place granite posts mined from quarries are normally used. It costs around Rs 300-400 per post(6-7ft)...
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3
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1k
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How to measure the stiffness of a rectangular beam, and compare it to a triangular beam?
I'm an amateur at engineering, working more on musical instruments, and I'm often in confusion regarding what exactly constitutes stiffness of a beam for a load applied on it so it could resist ...
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1
answer
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Mounting outdoors camera using aluminum 5052
I designed a simple U shape 2mm sheet metal bent mount for a 4kg outdoors CCTV camera. The mount was accidentally produced from 5052-H32 Aluminum instead of 6061-T6.
Is it common to use 5052 ...
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2
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1k
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How to provide lateral support for adjacent masonry during installation of steel UC in an old cavity wall?
I've got a structural engineer ready to provide calcs on this job, but there is a specific aspect where I'd like a heads-up what the normal approach would be, before I raise it with him, in case he ...
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Distance of Pivot from the Rear axle
I am designing an NSAM crane. I have encountered the following issue when designing the vehicle:
Generally the pivot(or the point about which the NSAM crane rotates) is in the center. But from two ...
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