Strength of round vs. square columned building

In summary, the conversation discusses the strength of round columns versus square columns in a building. The circular columns are generally preferred due to their ability to handle higher loads under various environmental conditions, such as high winds and earthquakes, when they have a closely-spaced spiral reinforcing bar inside. The conversation also mentions the possibility of the building's shape (square/rectangular) affecting the choice of column shape for reinforcement. The individual speaking has a Master's degree in physics but does not consider themselves an expert on the topic.
  • #1
Loren Booda
3,125
4
For the same building with square vs. circular concrete columns of equal number and cross-sectional area, under what environmental conditions would one be preferred over the other?
 
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  • #2
The circular columns would probably be preferred, because they can generally handle higher loads under a variety of adverse environmental conditions (high wind, earthquake, etc.), if they have a closely-spaced spiral reinforcing bar inside.
 
  • #3
Hi,

I'm writing an article on the strength of round columns verses square and came across your post. Would you like to contribute a "experts" quote to the article similar to your post? If so, please send your quote ASAP to kathleen@troycable.net, along with your title or credentials. Thanks so much!

Kathleen Ryan
 
  • #4
I'm no expert; that is in part why I asked the question. By the fact that circular columns have greater symmetry (evinced throughout mechanics), I would guess them strongest in general. Of course, if the building itself were square/rectangular (as most are), square/rectangular columns might reinforce its symmetry.

I have a Master's degree in physics from George Mason University, but like I say, I am no authority in this field. Don't construct a building on my word.
 

1. What is the difference in strength between a round and square columned building?

The strength of a building is determined by its overall design and construction, rather than just the shape of its columns. However, in general, round columns tend to have a higher load-bearing capacity than square columns due to their ability to distribute weight more evenly.

2. How does the shape of the columns affect the structural integrity of a building?

The shape of the columns can impact the structural integrity of a building in several ways. Round columns are able to resist compressive and lateral forces more efficiently, while square columns are better at resisting bending forces. Ultimately, the strength of a building depends on a combination of factors, including the materials used, the design, and the overall construction methods.

3. Are there any advantages to using round columns over square columns in building construction?

Round columns offer several advantages over square columns, including increased strength and stability, as well as a more aesthetically pleasing appearance. They also tend to be more resistant to natural disasters, such as earthquakes and high winds. However, square columns may be more suitable for specific types of structures, such as tall buildings or bridges.

4. Can the shape of the columns affect the cost of building construction?

The cost of construction is influenced by a variety of factors, and the shape of the columns is just one of them. While round columns may require more specialized construction techniques and materials, they can also provide cost savings in the long run by reducing the need for additional support structures and maintenance. Ultimately, the overall design and materials used will have a greater impact on the cost of construction.

5. Are there any situations where square columns may be a better choice than round columns?

Square columns may be a better choice than round columns in certain situations, such as when building a structure with a rectangular or square footprint. They may also be more practical for buildings with specific design requirements, such as large open spaces or multiple levels. Additionally, square columns may be more cost-effective in some cases, depending on the specific design and construction needs of the project.

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