ASCE710W - ASCE 7-10 CODE WIND ANALYSIS PROGRAM
 

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"ASCE710W" --- ASCE 7-10 CODE WIND ANALYSIS PROGRAM

Program Description:
"ASCE710W" is a spreadsheet program written in MS-Excel for the purpose of wind loading analysis for buildings and structures per the ASCE 7-10 Code.  Specifically, wind pressure coefficients and related and required parameters are selected or calculated in order to compute the net design wind pressures.    Program is based on Alex Tomanovich's "ASCE705W" program and modified by David Taylor and William Fultz.

This program is a workbook consisting of nine (7) worksheets, described as follows:

Worksheet NameDescription
Doc    This documentation sheet
MWFRS (Low-Rise)    Main Wind-Force Resisting System for low-rise buildings with h <= 60’
MWFRS (Any Ht.)    Main Wind-Force Resisting System for buildings of any height
Wall C&C    Analysis of wall Components and Cladding
Roof C&C    Analysis of roof Components and Cladding
Open Structures (no roof)    Analysis of open structures without roofs
Wind Map    Basic wind speed map (Figure 26.5-1 of ASCE 7-10 Code)

Program Assumptions and Limitations:

1.  Worksheet for "MWFRS (Low-Rise)" is applicable for low-rise buildings as defined in Section 26.2.

2.  Worksheets for "MWFRS (Any Ht.)", "Wall C&C", and "Roof C&C" are applicable for buildings with mean roof heights of up to 500 feet.

3.  In worksheets for "MWFRS (Any Ht.)", "Wall C&C", and "Roof C&C" the user may opt to utilize user designated steps in height, 'z', in determining the wind pressure distribution.

4.  Worksheets for "MWFRS (Any Ht.)", and "Open Structures" can handle “rigid” as well as “flexible” buildings and structures.  For “rigid” buildings or structures, this program uses the smaller value of either 0.85 or the calculated value from Section 26.9.3 of the Code for the gust effect factor, 'G'.  For “flexible” buildings or structures, this program calculates the gust effect factor, ‘Gf’, per Section 26.9.4 of the Code based on the assumed formula for the fundamental period of vibration from Section 12.8.2.1 of the Code, where the exponent 'x' in the formula T = Ct*h^x is assumed to be 0.75.

5.  Worksheets for "Wall C&C" and "Roof C&C" are applicable for flat roof buildings, gable roof buildings with roof angles <= 45 degrees, and monoslope roof buildings with roof angles <= 3 degrees.

6.  Worksheet for "Open Structures" is applicable for open structures without roofs up to 500 feet tall.  This can be utilized for open process-type structures as well as pipe/utility racks and bridges.

7.  This program uses the equations listed in the reference, “Guide to the Use of the Wind Load Provisions of ASCE 7-02” for determining the external wind pressure coefficients, ‘GCp’, used in the Wall C&C and Roof C&C worksheets.  (Note: a version of this document applicable to the ASCE 7-10 Code was not available at the time of writing this program.)

8. This program contains numerous “comment boxes” which contain a wide variety of information including explanations of input or output items, equations used, data tables, etc.  (Note:  presence of a “comment box” is denoted by a “red triangle” in the upper right-hand corner of a cell.  Merely move the mouse pointer to the desired cell to view the contents of that particular "comment box".)

Calculation Reference
Design for Wind
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Structural Design
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ASCE710W
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Version History
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Submitted On:
30 Nov 2014
Submitted By:
sumnerdave
File Date:
26 Nov 2014
File Author:
David
File Version:
2.2
File Size:
1,500.46 Kb
File Type:
xlsx
Downloads:
983
Rating:
stars/5.gifTotal Votes:11
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Comments  

 
#9 skahuna 2019-01-28 01:25
Very easy to use with outputs that plan checkers have no difficulty in reading the results.
 
 
#8 andrespinelli 2016-05-26 17:35
The engineer reviewing my building plans and calculations told me that the MWFRS wind loads for Cast B appears to have some wrong or mixed up coefficients when compared to the Torsional Load Cases diagram.

Also has anyone figured out how to reconcile the zone 2 and zone 3 loads that counter each other?
 
 
#7 gallison@primeeng.com 2016-05-05 19:31
Thanks to everyone involved with this spreadsheet. For Roof C&C - how can I create a simple Wind Pressure chart on the side for Net Design Pressures vs Effective Area, Ae values. It would be in a similar manner to the way the program shows Net Design Pressures based on height, "z". Thanks for any input in advance.
 
 
#6 JohnDoyle[Admin] 2014-11-30 19:46
I have extended both your XLC Pro subscriptions as a thank you for working this issue through and keeping your calculations up to date.
 
 
#5 sumnerdave 2014-11-26 14:57
I see the problem. I had forgotten to update this file to version 2.2. I apologize.

Current file has been uploaded but may be delayed if site administrator approval is required.

Quoting knolan:
I just re-downloaded the file to make sure I had the latest one and the only change I did was put in a zero roof slope and the GCpf values for Load Case B are not correct and they don't match the picture that you posted. Even when you zoom in on the calculation preview on this web page, the values are not correct. Maybe there is an update I don't have.
 

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