Civil MDC

THERMAL EFFECTS FOR STEEL BUILDING OR STRUCTURE 2

THERMAL EFFECTS FOR STEEL BUILDING OR STRUCTURE

“THERMAL” — THERMAL EFFECTS FOR STEEL BUILDING OR STRUCTURE

Program Description:

“THERMAL” is a spreadsheet program written in MS-Excel for the purpose of considering the thermal effects for a
steel building or structure. Specifically, the appropriate maximum design temperature change, the change of
length or stress as applicable, and the maximum building or structure length either without or between expansion
joints is determined. There is also a “General Thermal Effects Calculator” which can be used to selectively
determine any of the analysis parameters, as well as a temperature converter which can be used to convert from
oC (Celsius) to oF (Fahrenheit).

This program is a workbook consisting of three (3) worksheets, described as follows:

Worksheet Name Description
Doc This documentation sheet
Thermal Effects Thermal Effects for Steel Building or Structure
General Thermal Effects Calc. General Thermal Effects Calculator for Various Analysis Parameters

Program Assumptions and Limitations:

  1. This program is based on the following references:
    A. “Expansion Joints in Buildings” – Technical Report No. 65
    by: Federal Construction Council for National Academy of Sciences, 1974
    B. Steel Construction Manual – 13th Edition (pages 2-31 to 2-33 and page 17-23)
    by: American Instritute of Steel Construction (AISC), 2005
    C. “Expansion Joints: Where, When and How”
    by: James M Fisher, S.E. – published in Modern Steel Construction Magazine, April 2005
  2. This program uses the recommendations from Section II.A of Reference A (from above) to determine the
    appropriate maximum design temperature change, DT, expressed in oF. This value may then be utilized in
    either a 2-D or 3-D computer analysis model to determine the overall effects of the temperature change on the
    building or structure.
  3. This program uses the criteria from Section II.B.1.a of Reference A (from above) to determine the need for
    building or structure expansion joints.

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