So structural beams are used pretty much everywhere right?

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Discussion Overview

The discussion revolves around the prevalence and types of structural beams used in various constructions, including homes and bridges. Participants explore the visibility and functionality of these beams in different building contexts, touching on both residential and infrastructural applications.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • Some participants note that structural beams are common in everyday homes and highway bridges, although visibility may vary depending on the building's design.
  • It is mentioned that roof beams can often be seen in crawl spaces or attics, indicating their presence in residential structures.
  • Others point out that I-beams are typically used as main cross supports in basements, which can be observed in unfinished spaces.
  • Some participants highlight that the presence of basements varies by region, affecting the visibility of structural beams.
  • There is a discussion about the types of beams used in homes without basements, such as steel lintels over windows and doors, and the classification of wooden joists as beams in an engineering context.
  • Participants describe the composition of building frames, which include various structural elements like columns, joists, and trusses, and note that bridge designs incorporate different structural forms based on specific requirements.

Areas of Agreement / Disagreement

Participants generally agree that structural beams are integral to both homes and bridges, but there is no consensus on the visibility and types of beams used in different regions or building styles.

Contextual Notes

Some statements depend on regional practices and definitions of structural elements, and the discussion does not resolve the varying construction methods or the implications of environmental factors on building designs.

perfectchaos180
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like everyday homes and highway bridges and almost every other building right?

just making sure... I mean, I've never actually seen an everyday home being built and you can't see them just by standing inside the house.
 
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perfectchaos180 said:
like everyday homes and highway bridges and almost every other building right?

just making sure... I mean, I've never actually seen an everyday home being built and you can't see them just by standing inside the house.

You can usually see roof beams by going into the crawl space or attic. Most house roofs are built with beams.
 
Go into a basement of most homes, especially an unfinished basement. You will usually see an I-beam as the main cross support for the home. Find the posts and look up.
 
FredGarvin said:
Go into a basement of most homes, especially an unfinished basement. You will usually see an I-beam as the main cross support for the home. Find the posts and look up.

In some parts of the world, there's not a whole lot of basements since moving dirt is lots of work.
 
NateTG said:
In some parts of the world, there's not a whole lot of basements since moving dirt is lots of work.
That's true, but a home doesn't need a basement to have a structural beam in it. I just used that as an easy to see example. I must admit that I immediately think of here in the US though.
 
Most houses without basements will only have a steel beam as a lintel across a window or door in an external wall. Of course wooden floor and roof joists are beams in an engineering sense.
 
Building (including housing) frames are composed of structural beams (columns or posts, joists, purlins, sills, . . .). Some areas have trusses for roofs, while others use clear spans.

Bridges use variety of structural forms depending on geometry, size, material and contruction methods. Some use cables, while others use various beams, which include not only I beams, but box beams, C-channels and plates or slabs.

Some houses in the US have basements, while others are built on piers or posts, and still others are build on slabs. It depends on the environment.
 

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