Impact of heavy snow accumulation on roof serviceability

Author:

Grubb Jennifer A.1,Morse-Fortier Leonard2,Dusenberry Donald3,Zona Joseph3

Affiliation:

1. Senior Staff II, Structures, Simpson Gumpertz and Heger, Waltham, Massachusetts, USA

2. Staff Consultant, Simpson Gumpertz and Heger, Waltham, Massachusetts, USA

3. Senior Principal, Simpson Gumpertz and Heger, Waltham, Massachusetts, USA

Abstract

Over 100 buildings were examined which had damage or indications of distress due to an unusual accumulation of snow in north-eastern USA during the winter of 2010–2011. Approximately 40 of those buildings had a partial or total collapse. Records of the amount of snow that accumulated on roofs in the region were collected and compared to snow-load requirements in building codes over the past few decades. Buildings were evaluated and causes for distress identified, as well as emergency actions that needed to be taken when appropriate, mitigation strategies and repair concepts and repair documents when necessary. This paper explores the snow loading environment of the 2011 winter in north-east USA, describes three case studies with financial costs due to roof deflection, and provides recommendations for designers, building owners and occupants on how to minimise such collateral costs under similar circumstances.

Publisher

Thomas Telford Ltd.

Subject

Safety, Risk, Reliability and Quality

Reference6 articles.

1. Commonwealth of Massachusetts. 780 CMR Massachusetts State Building Code, 8th edn.2011, Commonwealth of Massachusetts, Boston, MA, USA.

2. Evaluation of East Coast Snow Loads Following January 1996 Storms

3. Snow Removal Strategies of Lightweight, Flat Roof Structures

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Editorial;Proceedings of the Institution of Civil Engineers - Forensic Engineering;2013-02

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