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Environmental Loads in SEI/ASCE 37-02
The duration of the construction phase normally is small compared to the assumed in-service design life for a building. Since the likelihood of severe wind storms, earthquakes, and other loadings are a function of the duration of the construction phase and, sometimes, the time of the year, interim conditions and temporary structures that exist during construction are not exposed to the same environmental load risks as are finished, "permanent" structures. For these reasons, environmental loads that might be used for structures during construction can be substantially lower than those used for finished structures, and still achieve risk that is comparable during the interim condition to the risk associated with the finished structure over its life. This paper summarizes the philosophy for the development of environmental loads for the standard Design Loads on Structures During Construction (ASCE 37-02) (American Society of Civil Engineers, 2002). Discussions address the application of the underlying standard Minimum Design Loads for Buildings and Other Structures (ASCE 7-95) (American Society of Civil Engineers, 1996) and adjustment factors to account for construction duration and season. The paper also covers procedures to address special conditions that exist only during construction, such as wind loads on open frames, ice loads, and thermal loads on components that will be enclosed upon completion of construction.
Environmental Loads in SEI/ASCE 37-02
The duration of the construction phase normally is small compared to the assumed in-service design life for a building. Since the likelihood of severe wind storms, earthquakes, and other loadings are a function of the duration of the construction phase and, sometimes, the time of the year, interim conditions and temporary structures that exist during construction are not exposed to the same environmental load risks as are finished, "permanent" structures. For these reasons, environmental loads that might be used for structures during construction can be substantially lower than those used for finished structures, and still achieve risk that is comparable during the interim condition to the risk associated with the finished structure over its life. This paper summarizes the philosophy for the development of environmental loads for the standard Design Loads on Structures During Construction (ASCE 37-02) (American Society of Civil Engineers, 2002). Discussions address the application of the underlying standard Minimum Design Loads for Buildings and Other Structures (ASCE 7-95) (American Society of Civil Engineers, 1996) and adjustment factors to account for construction duration and season. The paper also covers procedures to address special conditions that exist only during construction, such as wind loads on open frames, ice loads, and thermal loads on components that will be enclosed upon completion of construction.
Environmental Loads in SEI/ASCE 37-02
Dusenberry, Donald O. (author)
Third Forensic Engineering Congress ; 2003 ; San Diego, California, United States
Forensic Engineering (2003) ; 97-102
2003-09-25
Conference paper
Electronic Resource
English
Environmental Loads in SEI/ASCE 37-02
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