Local Compression Analysis
Objective: Check the local compression analysis of the foundation
Task: Verify the correctness of the local compression analysis
References: Guide on designing of concrete and reinforced concrete structures made of heavy-weight or lightweight concrete (no prestressing) (to SNiP 2.03.01-84), 1989, p. 101-102.
Initial data file:
Example 48.SAV
report – Arbat 48.doc.
Compliance with the codes: SNiP 2.03.01-84*.
Initial data:
b = 0,8 m | Width of the foundation |
a1×a2 = 300×200 mm | Sizes of the load application area |
Asx = Asy = 7,1 mm2 (1Ø3) | Cross-sectional area of reinforcement |
N = 1000 kN | Vertical load |
Concrete class |
В12,5 |
ARBAT initial data:
Importance factor γn = 1
Load arrangement:
Local load applied to a part of length and width of an element Local edge load within a protruding part of a wall or a pier
|
a = 300 мм Number of load application areas - one |
Lateral reinforcement by flat meshes:
Class of reinforcement: B500
Arrangement of meshes
Concrete cover a = 20 mm |
Meshes:
Meshes Rebars along X Rebars along Y |
Concrete:
Concrete type: Heavy-weight
Concrete class: B12,5
Service factor for concrete |
||
---|---|---|
γb2 |
allowance for the sustained loads |
|
|
resulting factor without γb2 |
1 |
Comparison of solutions:
Check |
strength condition of local compression |
Guide |
1000/1182 = 0,846 |
ARBAT |
0,84 |
Deviation, % |
0,7 % |