Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [masonry]

21 questions
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4 answers

Would engineering bricks explode if used to build an oven?

I'm building a pizza oven and, to do so, I bought a whole load of engineering bricks (not these but similar). They've got five holes vertically through them, each hole is 2x6x6.5 cm (80 ml) and the walls, both end and dividing, are 2 cm thick by 6.5…
Toby Abel
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2 answers

How is biaxial bending considered for reinforced masonry design?

I am faced with a problem where I have to design a reinforced masonry beam for biaxial bending. The governing code is ACI 530-11. I cannot find a provision in this Code for biaxial bending. The only part that addresses this issue is in Section…
user32882
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7
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1 answer

One large fireplace flue versus two smaller ones

I am a mason contractor whom specializes in Rumford Fireplaces. I am helping design a fireplace that had a problem fitting in a single 18" x 18" flue pipe. So I installed two 13" x 13" pipes adjacent to each other. They start at the smoke chamber…
Francis Casini
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7
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3 answers

Can masoned ceilings be flat?

In historical or modern buildings, flat ceilings are typically made of concrete, wood, metal, solid bedrock (for carved tunnels), or generally a material that can withstand pushing forces (pressure) and pulling forces (tension). A ceiling made from…
donquixote
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5
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1 answer

Should the corbel angle always be estimated as 60 degrees in masonry construction, or is there a formula to use instead?

In educational construction material as well as engineering publications, the corbel angle for significant excess loads, and also for substantial openings, in an ordinary brick wall is usually stipulated as being taken as 60 degrees to the…
Stilez
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4
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1 answer

Engineering in the great pyramid

From an engineering perspective, how are the 'relieving chambers' above the kings chamber supposed to work? The 5 layers of horizontal lintels separated by air-gaps are normally described by mainstream archaeologists as 'relieving chambers' to…
ConanTheGerbil
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2
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1 answer

Cause of stepped crack up and away from lintel

What are the likely causes of a stepped crack up and away from the edge of a lintel? See the diagram below.
egg
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Bearing contact and loadpath

Is there a reference to look at explaining the effect of bearing surface on loadpath? For example, an existing structure has a suboptimal load transfer/distribution. A new support is added to add/improve integrity. How the loadpath will change,…
Giuseppe Cimadoro
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3 answers

Steel bracket fixing spacers on a wall

What could I do to address the uneven vertical wall (not plumb) behind the bottom of the steel bracket? Would you fill in the gap with sand/cement and once dried tighten the bolt or use steel plates and spacers?
Giuseppe Cimadoro
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1 answer

Will my brick veneer wall sustain the additional load of natural thin veneer stone, wire mesh, and plaster placed on top?

I have a (full, not thin) brick veneer wall on the front of my house. It is tied into the plywood (covered with paper) via wall ties and screws. I am wondering if I can apply plaster and wire mesh as well as a natural stone (whose weight is roughly…
JustWondering
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2 answers

Stability Check of Masonry or Brick Vault (or arch)

I need Some help in Checking the stability of a masonry vault (Voute in french) or even an arch. Hand Calculation: If anyone know any article or reference that can help me to check the stability of this model. Software: Does anyone know any…
J.Daou
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How is brick size decided?

I am always fascinated to watch construction on field as it helps me to build my knowledge deeper. The answer to a question what I am looking upto is HOW is the brick size decided ? Like in India we have standarized size of 19×9×9 cm But actually…
Burhan Adenwala
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0
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1 answer

Does the corbel angle govern in this scenario? If not, how is load spreading allowed for, when a load is supported by a wall on a beam

The following outline is inspired by something I noticed today and couldn't figure out. It shows what I guess is a fairly common generic situation - an upper floor masonry partition wall supported by a beam, with further loads (ceiling/next floor…
Stilez
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How thick must a concrete or block wall be to withstand hydrostatic pressures up to three meters' height?

I'm planning a basement 3.6m depth, ~0.5m of which extended above ground surface level, in a deep clay/alluvial terrain (bedrock inaccessible). Torrential rainfall during rainy season saturates the region, causing considerable flooding in low-lying…
Polyhat
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Could pre-stressed graphene be used to reinforce granite block construction?

I am curious whether this will become an option, especially for longer lasting structures. Could pre-stressed graphene or another high tensile strength material by used to reinforce granite block construction? Potentially relevant values: Thermal…
Dev Slocum
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