GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual...
-
Upload
roger-gilmore -
Category
Documents
-
view
222 -
download
0
description
Transcript of GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual...
![Page 1: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/1.jpg)
GTSTRUDL User’s GroupGTSTRUDL User’s Group
BASE PLATE ANALYSIS
June 23, 2011Parimal Gandhi, PE
Sr. Engineer1
Annual Meeting - 2011Annual Meeting - 2011
![Page 2: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/2.jpg)
PURPOSE
Non-Linear Finite Element Analysis For Base Plate.
AND
Stiffness Analysis For Base Plate.
2
![Page 3: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/3.jpg)
AGENDA
1. INTRODUCTION AND THEORY
2. BASE PLATE MODELING
3. EDIT THE BASE PLATE INPUT FILE
4. BASE PLATE STRESSES & BOLTS LOADS
5. FLEXIBLE & RIGID BASE PLATE RESULTS
6. CONCLUSION3
![Page 4: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/4.jpg)
Introduction & Theory
4
The finite element method is used to analyze the base plate considering the beam on elastic foundation.
The concrete and bolts are represented by non linear spring elements attached to the nodal points on the steel base plate and to the ground.
The steel base plate is modeled with SBHQ6 and SBHT6 plate bending element.
Attachments and Stiffeners are modeled as RIGID SOLIDS in the plane of the base plate.
![Page 5: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/5.jpg)
Introduction & Theory
The Beam on Elastic Foundation5
![Page 6: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/6.jpg)
Introduction & Theory
Non Linear Spring Element
Concrete
6
![Page 7: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/7.jpg)
Introduction & Theory
Non Linear Spring Element
Bolt
7
![Page 8: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/8.jpg)
Introduction & Theory
8
Non-linear Spring Curves
![Page 9: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/9.jpg)
Base Plate Modeling
9
![Page 10: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/10.jpg)
Base Plate Modeling
10
![Page 11: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/11.jpg)
Circular Base Plate Modeling
11
![Page 12: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/12.jpg)
Circular Base Plate Modeling
12
![Page 13: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/13.jpg)
Circular Base Plate Modeling
13
![Page 14: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/14.jpg)
Circular Base Plate Modeling
14
![Page 15: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/15.jpg)
Circular Base Plate Modeling
15
![Page 16: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/16.jpg)
Circular Base Plate Modeling
16
![Page 17: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/17.jpg)
Circular Base Plate Modeling
17
![Page 18: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/18.jpg)
Circular Base Plate Modeling
18
Elements=24x12=288
Joints=289
Joint 289Element 288
![Page 19: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/19.jpg)
Edit Base Plate Input FileThe GT Model Wizard creates a GTSTRUDL input file that remains after the Wizard is closed.
19
![Page 20: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/20.jpg)
Edit Base Plate Input FileSoil Spring Values
20
![Page 21: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/21.jpg)
Edit Base Plate Input FileFor Attachment
21
Master Joint ‘C1’
Slave Joints 74 to 97
![Page 22: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/22.jpg)
Edit Base Plate Input FileFor Concrete Stiffness
22
![Page 23: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/23.jpg)
Edit Base Plate Input FileFor Concrete Stiffness
23
![Page 24: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/24.jpg)
Edit Base Plate Input FileFor Bolt Stiffness
24
![Page 25: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/25.jpg)
Edit Base Plate Input FileFor Bolt Stiffness
25
![Page 26: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/26.jpg)
Edit Base Plate Input File
26
LOADING
Output
Non Linear Analysis
![Page 27: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/27.jpg)
Base Plate Stresses
27
![Page 28: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/28.jpg)
Bolt Support Reactions
28
![Page 29: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/29.jpg)
29
Square /Rectangular Base Plate Modeling
![Page 30: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/30.jpg)
30
Square /Rectangular Base Plate Modeling
![Page 31: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/31.jpg)
31
Square /Rectangular Base Plate Modeling
![Page 32: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/32.jpg)
32
Square /Rectangular Base Plate Modeling
![Page 33: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/33.jpg)
Base Plate odeling
33
Square /Rectangular Base Plate Modeling
![Page 34: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/34.jpg)
34
Square /Rectangular Base Plate Modeling
![Page 35: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/35.jpg)
35
Square /Rectangular Base Plate Modeling
![Page 36: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/36.jpg)
36
Square /Rectangular Base Plate Modeling
![Page 37: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/37.jpg)
Base Plate Modeling
37
Square /Rectangular Base Plate Modeling
![Page 38: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/38.jpg)
38
Square /Rectangular Base Plate Modeling
![Page 39: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/39.jpg)
39
Square /Rectangular Base Plate Modeling
![Page 40: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/40.jpg)
40
Square /Rectangular Base Plate Modeling
![Page 41: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/41.jpg)
41
Square /Rectangular Base Plate Modeling
![Page 42: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/42.jpg)
42
Square /Rectangular Base Plate Modeling
Total Joints =169
Total Elements =144
zX
![Page 43: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/43.jpg)
43
Square /Rectangular Base Plate Modeling
Master Joint ‘C1’
Slave Joints 57, 61 … 113
Spring Element ‘S1’ Spring Element
‘S169’
![Page 44: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/44.jpg)
Edit Base Plate Input File
44
``
LOADING
Output
Non Linear Analysis
![Page 45: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/45.jpg)
45
Square /Rectangular Base Plate Stresses
B1 B2
B3 B4
![Page 46: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/46.jpg)
46
Support Reactions for Bolts
![Page 47: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/47.jpg)
Edit Rigid Base Plate Input File
47
``
Rigid Attachment
Output
Bolt : Pinned Support
``
``
Stiffness Analysis
Loading
![Page 48: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/48.jpg)
48
Flexible & Rigid Base Plate Result
Non-Linear Base Plate AnalysisWith Concrete &
Bolt Stiffness
Linear/Stiffness Base Plate AnalysisWithout Concrete
& Bolt StiffnessMaximum Bolt
Pull outMaximum Shear
LoadBase Plate Stresses
Base Plate Displacement
339 lbs 423 lbs
949 lbs 949 lbs
9215 psi 9404 psi
Δy=0.00361” Δy=0.00432”
Flexible Rigid
![Page 49: GTSTRUDL User’s Group BASE PLATE ANALYSIS June 23, 2011 Parimal Gandhi, PE Sr. Engineer 1 Annual Meeting - 2011.](https://reader033.fdocuments.in/reader033/viewer/2022051123/5a4d1b2e7f8b9ab05999a234/html5/thumbnails/49.jpg)
Questions?Questions?
Thank you.Thank you.
49