Strength Analysis of a Wall Panel
Objective: Check of the strength of the wall panel
Task: Check the strength of the section
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. 32-34.
Initial data file:
SCAD 12 SNiP.spr
report –SCAD 12 SNiP.doc
Compliance with the codes: SNiP 2.03.01-84.
Initial data:
l = 5,8 m | Пролет стеновой панели |
b×h = 340×1195 mm |
|
qtot = 3,93 kN/m2 |
Total vertical uniformly distributed load |
(qx = 17,72 kN/m) | Reduced load in the panel plane |
qw = 0,912 kN/m2 |
Wind load |
(qy = 3,83 kN/m) | Reduced load out of the panel plane |
Concrete class |
В3,5; D1100 |
Class of reinforcement | А-III |
Results of the SCAD analysis:
N Max. 0 T Max. 0 T |
My Max. 0 kN*m Max. 74,51 kN*m |
Mz Max. -16,11 kN*m Max. 0 kN*m |
Mk Max. 0 kN*m Max. 0 kN*m |
Qz Max. 5,24 T Max. -5,24 T |
Qy Max. 1,13 T Max. -1,13 T |
Length of the bar 5,8 m |
Structural group Wall panel
Importance factor γn = 1
Member type - Member under compression and bending (in tension)
Stress state - Biaxial bending
Maximum percentage of reinforcement 10
Random eccentricity along Z1 0 mm
Random eccentricity along Y1 0 mm
Structure is statically indeterminate
Effective length factor in the X1OZ1 plane 1
Effective length factor in the X1OY1 plane 1
Coefficients allowing for seismic action |
|
---|---|
Normal sections |
0 |
Oblique sections |
0 |
Distance to the c.o.g. of reinforcement |
|
---|---|
a1 |
a2 |
mm |
mm |
75 |
75 |
Reinforcement |
Class |
Service factor |
---|---|---|
Longitudinal |
A-III |
1 |
Transverse |
A-I |
1 |
Concrete
Concrete type: Lightweight
Concrete class: B3,5
Grade by average density: D1100
Aggregate: Artificial dense
Hardening conditions: Natural
Hardening factor 1
Service factor for concrete |
||
---|---|---|
γb2 |
allowance for the sustained loads |
1 |
|
resulting factor without γb2 |
1,1 |
Humidity of environmental air - 40-75%
Structural group Wall panel. Element No. 1
Member length 5,8 m
Specified reinforcement
Segment |
Reinforcement |
Section |
1 |
S1 - 2Ø10, second row 2Ø6 Clear distance between rows 92 mm S2 - 2Ø10, second row 2Ø6 Clear distance between rows 467 mm
|
Results |
|||
---|---|---|---|
Segment |
Utilization factor |
Check |
Checked according to SNiP |
1 |
0,99 |
Ultimate moment strength of the section |
Sec. 3.15-3.20, 3.27-3.28 |
Comparison of solutions:
Check |
Strength of the section |
Guide |
74,5/78,4 = 0,95 |
SCAD |
0,99 |
Deviation, % |
4,2 % |