All Questions
Tagged with structural-engineering building-design
42
questions
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How would you go about the steel columns being adjacent where an expansion joint is expected?
The building is a steel building with a composite slab.
The expansion joint is required because the building is 60m in length.
The problem is where the expansion joint is expected, the columns are ...
0
votes
1
answer
60
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How to calculate the height of the supporting structure of an arch and the thickness of an arch in relation to its span
Please refer to the attached image.
We know that if an arch is X unit wide then the supporting walls should not be less than X/4 unit width for the structural stability.
I would like to understand ...
- 101
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37
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How did gothic church architects/builders properly scale up their models to full size churches?
In this video the author explains how ancient church builders used models to determine the proper shape and order of installation of architectural elements in gothic churches.
From the little I know, ...
- 23
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20
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How is a room structurally suspended above a garage cutout?
The garage of this cavity wall (outer brick layer wall, inner concrete load bearing wall) new build uk house is a cutout directly below a room. i'm confused because this obviously interrupts the ...
- 101
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1
answer
39
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Was the stability of the WTC1&2 core columns dependant on the diaphragmic action of the building's floors?
I am currently in a discussion with a so called '9/11 truther' who claims there is no adequate explanation for the collapse of the central core columns of the WTC towers. (Sorry to beat a dead horse)
...
- 3
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2
answers
62
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Design forces for a home built trailer structure (tiny home or camper)?
I am going to purchase a steel trailer frame, and then I want to build a camper on top of that. This will be full height teardrop which is likely wood framed but I am also considering aluminum framing....
- 1
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1
answer
1k
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Is this a normal shadow gap? Connection between a wall and the ceiling
I am currently checking out an appartment in which I noticed a strange connection between the side walls and the ceiling.
The guy told me it is a shadow gap which I then googled and it just didn't ...
- 23
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4
answers
91
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Why are there horizontal spaces in walls of many large buildings?
Many buildings, especially in the Europe, have horizontal gaps in their walls. For example, the walls of the Royal School of Mines and the Victoria and Albert Museum in South Kensington (See attached ...
- 111
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2
answers
40
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Who takes care of structural health monitoring of civil structures?
There are numerous studies about the possibility of structural health monitoring (SHM) of tall structures, like bridges, skyscrapers, water towers, wind turbines, where, for example, inclination or ...
- 101
-1
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1
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What were these two objects from the top of a tall building in the 1920s used for?
I saw this in a movie from the 1920s, set in the USA. ("Safety Last".)
At the top of a tall building, there are two strange objects which I believe I've seen before but never could figure ...
1
vote
1
answer
286
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Why does the IRC think ceiling joists are weaker than floor joists?
According to the IRC, a 1200S162-68 cold-formed steel C-section can hold 40psf total load at an almost 22' span when used as a floor joist, but can only hold 25psf total load at a 21' span when used ...
- 19
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2
answers
86
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Waterlogged multistorey apartment
I fraction invested in a real estate project several years back. Mid way through the construction, after about 12 floors, the building contractor filed for bankruptcy. An asset reconstruction company ...
- 1
0
votes
2
answers
273
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What is the purpose of these "safety" ledges on this Asian skyscraper?
While watching a video of a crazy person jumping around on buildings in some Asian country in a death-defying manner, I noticed these odd "safety" ledges outside, with nothing preventing you ...
- 1
0
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1
answer
88
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How do extra building levels affect the foundation design apart for the extra load?
I have been talking to some structural engineers trying to find one to design foundations for my contemplated bespoke building based on hi-cube 40-ft shipping containers. The initial concept is just ...
- 211
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4
answers
3k
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When an elevator has two buttons next to it, ^ and v, what do they actually mean?
Both as a kid and as an adult, I've encountered elevators lined up next to each other, or single ones, which have two buttons on each floor (outside of the elevator):
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