7. Dead Load (Reference load):
Analytical Modelling, Loading, Load & Definition, Definitions, Reference Load Definitions, Add,
Number = 1, Loading Type = Dead, Title = REF LOAD - DL, Add, Close
Selfweight
Factor = -1
TRUSS LOADS:
Selfweight
Note: See Design of Truss in Staad (adopt dead reaction)
-21.390
-21.390
d1 = 2.833
-21.390
d1 = 1.473
-33.404
-33.404
d1 = 2.833
-33.404
d1 = 1.473
-12.421
-12.421
d1 = 2.833
-12.421
d1 = 1.473
Nodal Load
Member Load, Concentrated Force
Member Load, Concentrated Force
ROOF FIREWALL LOADS ( at ends, 4"CHB plastered one face only, T204-2)
1.65m
4.5m
2.85m
4.5m
3.3m
2.74 Kpa
3.3m beam
Height = 1.12
Height = 0.33
4.5m exterior beam
Height = 0.33
Height = 1.407
4.5m interior beam
1.65m part
Height = 1.407
Height = 1.8
2.85m part
Height = 1.8
Height = 1.12
3F WALL LOADS:
Member Load, Linear Varying
-3.069 KN/m
-0.904 KN/m
Member Load, Linear Varying
-0.904 KN/m
-3.855 KN/m
Member Load, Trapezoidal
-3.855 KN/m
-4.932 KN/m
d1 = 0
d2 = 1.65
Member Load, Trapezoidal
-4.932 KN/m
-3.069 KN/m
d1 = 1.65
d2 = 4.5
Walls: plastered both face (T204-2)
4" Exterior Wall
2.98 Kpa
Height = 2.9
-8.642 KN/m
Member Load, Uniform Force
4" Interior Wall *
2.98 Kpa
Height = 2.9
-8.642 KN/m
Member Load, Uniform Force
4" railing (hallway only)
2.98 Kpa
Height = 1.2
-3.576 KN/m
Member Load, Uniform Force
* do not apply this on interior beams if lightweight wall (gypsum/plywood) are to be used since it is
already included in the 1KPa partition load.
2F WALL LOADS:
Walls: plastered both face (T204-2)
4" Exterior Wall
2.98 Kpa
Height = 2.9
-8.642 KN/m
Member Load, Uniform Force
4" Interior Wall *
2.98 Kpa
Height = 2.9
-8.642 KN/m
Member Load, Uniform Force
4" railing (hallway only)
2.98 Kpa
Height = 1.2
-3.576 KN/m
Member Load, Uniform Force
* do not apply this on interior beams if lightweight wall (gypsum/plywood) are to be used since it is
already included in the 1KPa partition load.
1F WALL LOADS:
Walls: plastered both face (T204-2)
5" Exterior Wall
3.045 Kpa
Height = 2.9
-8.831 KN/m
Member Load, Uniform Force
4" Interior Wall *
2.98 Kpa
Height = 2.9
-8.642 KN/m
Member Load, Uniform Force
* do not apply this on interior beams if lightweight wall (gypsum/plywood) are to be used since it is
already included in the 1KPa partition load.
FLOOR LOADS:
3F and 2F Slab Loads
6mm ceramic tile
100mm concrete topping
0.141
2.356
2.49753 Kpa
1.000 Kpa
2.360 Kpa
Partition (204.3)
100mm thick slab
Ceiling & Utils
1/4" Mar. Plywood
Mech.duct allo.
Wood furr.susp.sys.
2F_1W_P
2F_2W_P
2F_2W
3F_1W_P
3F_2W_P
3F_2W
Unitweight for ceramic tile
and concrete = 23.5616 KN/m3
0.042
0.200
0.120
0.3620 Kpa
(1)
(2)
(3)
(1)
(2)
(3)
Floor Finishing (T204-2)
-6.220
-6.220
-5.220
-6.220
-6.220
-5.220
Kpa
Kpa
Kpa
Kpa
Kpa
Kpa
STAIR LOADS:
Floor Load, Group
Floor Load, Group
Floor Load, Group
Floor Load, Group
Floor Load, Group
Floor Load, Group
Note: Design of stair is not included here.
Note: See Design of Stairs in Staad (adopt dead reaction)
Note: Railing to be used is hollow GI pipe…. CHB not allowed!!!
Third Floor
-15.761
Landing
-14.055
Second Floor
-15.761
landing
-14.055
First floor
-15.761
at STAAD Editor, make sure to have "END DEFINE REFERENCE LOADS"
KN/m
KN/m
KN/m
KN/m
KN/m
Member Load, Uniform Force (partial)
Member Load, Uniform Force
Member Load, Uniform Force
Member Load, Uniform Force
Member Load, Uniform Force (partial)
8. Rigid diaphragm:
- first select the nodes…..
General, Spec, Node, Floor Diaphragm, No. = ____, Height = ____, Assign
No.
Height
1
1.5m
2
4.5m
3
7.5m
9. seismic Definitions
General, Load&Definition, Definitions, Seismic Definitions, Add, ……... Close
Type: UBC 97 Parameters
Staad
NSCP
Zone
0.4
4
F208-1, T208-3, T208-4
Iw
1
1
T208-1, T103-1
Rwx
8.5
8.5
T208-11A
Note:
RwZ
8.5
8.5
T208-11A
Seismic source type = A, T208-4
Stype
4
SD
T208-2
Na
1.14
1.14
T208-5, F208-2D
Do not Check Accidental Load becaause
Nv
1.48
1.48
T208-6, F208-2D
Rigid Diaphragm was considered. (Check
Ct
0.0731
0.0731
208.5.2.2
this item only if Master Slave is used)
Note: Seismic definitions is placed at the bottom of the editor…. We will move these later….
10. Load Cases Details
General, Load&Definition, Load Cases Details, Add, ………… , Close
Number Loading Type
Title
1
Seismic
EX
2
Seismic
EZ
3
Dead
DL
4
Live
LL
Note: do not click reducible
at ZONE 0.4 I 1 RWX 8.5 RWZ 8.5 STYP 4 CT 0.0731 NA 1.14 NV 1.48
Add (or New), Reference Load, R1, >, Factor = 1, Along = Y, Add, Close
Load Cases Details, EX, Add, Seismic, Direction= X, Factor= 1, check Multiplying Factor for Accidental Torsion Moment,
Factor = 0.05, check Multiplying Factor for Natural Torsion Moment, Factor = 1, Add
load Case Direction Factor
Acc.
Nat.
EX
X
1
0.05
1
EZ
Z
1
0.05
1
load Cases Details, DL, Add, Repeat Load, Reference load, DL, >, Factor = 1, Add, Close
11. Check Soft Storey
At editor, type CHECK SOFT STOREY ASCE7 after last line of floor diaphragm
12. Live Load
FLOOR LOADS:
T205-1
General, Load & Definition, Load Cases Details, LL, Add, Floor Load, Group, Pressure = -1.9, Global Y, Add all
STAIR LOADS:
Liveload (T205-1)
Note: See Design of Stairs in Staad (adopt dead reaction)
Third Floor
Landing
Second Floor
landing
First floor
-4.833
-4.630
-4.833
-4.630
-4.833
KN/m
KN/m
KN/m
KN/m
KN/m
Member Load, Uniform Force (partial)
Member Load, Uniform Force
Member Load, Uniform Force
Member Load, Uniform Force
Member Load, Uniform Force (partial)
ROOF LOADS (not included since nobody lives in roof):
at editor, just before FINISH, type PERFORM ANALYSIS and LOAD LIST ALL as shown below