Week 7 Challenge
Modelling of Structure in STAAD Pro
OPEN STAAD PRO
SELECT MODEL TYPE AS ANALYTICAL MODEL AND UNIT AS METRIC
CALCULATION OF RIDGE HEIGHT
15*TAN(20)DEGREE=5.46 M
STEP 1.
SELECT GEOMETRY AND ENTER NODE VALUES
WITH ORIGIN AS
X= 0,
Y=0
Z=0
ALONG THE WIDTH OF 30 M
LIKE WISE AS
SIMILARLY ENTER THE NODE VALUES FOR OTHER NODES BY REFERING THE TRUSS
ALONG THE LENGTH
SELECT NODE CURSOR ,COPY AND PASTE NODE AND COMPLETE THE TRUSS
COMPONENTS AS PER FOLLOWING DETAILS.
- Bay spacing 5 m
- Span of Truss 30 m
- Shape of Truss – Pratt Truss
- Slope of truss 20 degree
- Height of the column 15 m
- Floor Beams at 5 m from base
- Secondary beams at 1.5 c/c
- Length of the building 50 m
- Column Supporting Floor Beam @ 6 m c/c Along the frame
STEP 2.
SELECT BEAM CURSOR AND JOIN THE BEAMS
STEP 3.
GO TO GEOMETRY ,
SELECT TRANSLATIONAL REPEAT
SELECT THE GLOBAL DIRECTION AS Z
SELECT NO OF STEPS AS 9
AND DEFAULT STEP SPACING AS 5 M
SELECT AND TICK LINK STEPS AND OPEN BASE
AND GENERATION FLAGS AS GEOMETRY AND PROPERTY ONLY
STEP 4.
GO TO MATERIAL IN RIBBON TOOL BAR
DEFINE STEEL
STEP 5.
GO TO PROPERTIES IN RIBBON TOOL BAR
DEFINE THE SECTION FROM SECTION DATABASE
THE SECTIONS DEFINED ARE GIVEN BELOW
- COLUMNS - ISMB 500
- Truss -Top & Bottom chord – ISA 110x110x12,
- Diagonal member – ISA 75x75x8
- Purlins – ISMC 150
- Tie Beam – ISA 120x120x10
- Floor Primary beams – ISMB 300
- Secondary beams - ISMC 150
- Floor beam supporting columns – ISMB 300
STEP 6.
ASSIGN SPECIFICATION AND MEMBER PROPERTY TO THE MODELLED STRUCTURE
- COLUMNS - ISMB 500
- Truss -Top & Bottom chord – ISA 110x110x12,
- Diagonal member – ISA 75x75x8
- Secondary beams - ISMC 150 AND
- Purlins – ISMC 150
- .
- Floor beam supporting columns – ISMB 300
- Floor Primary beams – ISMB 300
- Tie Beam – ISA 120x120x10
STEP 7.
GO TO PROPERTIES IN RIBBON TOOL BAR
DEFINE BETA ANGLE AS 45 DEGREE
ORIENT THE ANGLE SECTIONS BY APPLYING BETA ANGLE
STEP 8 .
DEFINE SUPPORT CONDITIONS
ASSIGN BOTTOM OF MAIN COLUMNS AS FIXED SUPPORT AND
INTERMEDIATE FLOOR BEAM SUPPORTING COLUMNS AS PINNED
STEP 9 .
GO TO UTILITIES
SELECT GROUP
FORM THE GROUP OF FOLLOWING MEMBERS
1.
EXTERNAL COLUMNS
2.
INTERNAL COLUMNS
3.
ROOF TRUSS
4.
TOP CHORD OF ROOF TRUSS
5.
PRIMARY BEAMS
6.
SECONDARY BEAMS
NOTE.
KINDLY REFER THE STAAD FILE MODEL ENCLOSED AS AN ATTACHMENT.