ASCE710W - ASCE 7-10 CODE WIND ANALYSIS PROGRAM
"ASCE710W" --- ASCE 7-10 CODE WIND ANALYSIS PROGRAM
"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:
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 220.127.116.11 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".)
Design for Wind
30 Nov 2014
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