Integrity Evaluation Method for Spread Foundation Piers with Dominant Bending Modes

Autor: Kuniyuki Minegishi, Satoshi Narui, Nobumasa Mizuno, Hiroshi Haya
Rok vydání: 2006
Předmět:
Zdroj: Quarterly Report of RTRI. 47:145-149
ISSN: 1880-1765
0033-9008
DOI: 10.2219/rtriqr.47.145
Popis: This paper presents research into options for bridge substructures testing when the industry standard impact vibration testing method cannot be used, such as in low rigidity structures like circular section piers. These substructures were not included in the parent population at the time of the determination of the impact vibration test, which this research corrects by providing a proposed standard evaluation calculation formula that is suitable for structures with a primarily bending vibration mode. The information these analyses are to provide is called the integrity degree judgment. Testing was conducted using a vertical blow followed by measuring the pier vibration response. The natural frequency was then determined both vertically and laterally, and this was then compared to the integrity degree.
Databáze: OpenAIRE