Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [masonry]

26 questions
8
votes
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
  • 83
  • 1
  • 3
7
votes
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
  • 573
  • 5
  • 17
7
votes
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
  • 71
  • 2
7
votes
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
  • 175
  • 7
5
votes
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
  • 571
  • 8
  • 19
4
votes
2 answers

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
  • 305
  • 1
  • 7
2
votes
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
  • 857
  • 7
  • 15
1
vote
1 answer

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
  • 31
  • 3
1
vote
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
  • 31
  • 3
1
vote
2 answers

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
  • 11
  • 1
1
vote
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
  • 513
  • 13
  • 27
1
vote
0 answers

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
  • 11
  • 4
0
votes
0 answers

Hysteresis curve for reinforced masonry structures with CDP Theory in abaqus software

I modeled an unreinforced masonry wall, and the Hysteresis curve is ok, but when I reinforced the wall with rebar the curve changed as pictured. Is it the correct curve?
hossein tootian
  • 1
0
votes
1 answer

Brick Laying Orientation

Hello! Sorry if the question seems stupid and obvious, I am new to masonry but one of the worker at a construction site that it was better to lay brick on its short edge as shown on the top , rather than use the commonly used one shown on the…
structengineering1010
  • 13
  • 3
0
votes
1 answer

Shear Wall placement -- reflectionally symmetric or rotationally symmetric?

Is it better to add a shear wall that is reflectionally symmetric or rotationally symmetric? I'm designing a confined masonry structure in a seismic zone. My understanding is that the shear walls are critical to protect the structure from failing…
Michael Altfield
  • 225
  • 1
  • 10
1
2