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디지털 항타관리기(DPRMS)의 진동영향 평가 및 측정 정밀도 향상 방안에 관한 연구Vibration Evaluation and Accuracy Improvement for a Digital Pile Rebounding and Penetration Monitoring System (DPRMS)
- Other Titles
- Vibration Evaluation and Accuracy Improvement for a Digital Pile Rebounding and Penetration Monitoring System (DPRMS)
- Issue Date
- May-2006
- Publisher
- 한국소음진동공학회
- Keywords
- DPRMS(디지털 항타 관리기); Line-scan Camera(일차원 카메라); Pile Driving(항타); Penetration Depth(관입량); Measurement Error(측정오차)
- Citation
- 한국소음진동공학회논문집, v.16, no.5, pp 514 - 520
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 16
- Number
- 5
- Start Page
- 514
- End Page
- 520
- ISSN
- 1598-2785
2287-5476
- Abstract
- In this study, the performance of a digital pile rebounding and penetration monitoring system (DPRMS) is evaluated and the measurement precision of the DPRMS is improved. The DPRMS is a high speed line-scanning camera system to measure the rebound and penetration of a pile in a construction work. A main problem in the DPRMS is a measurement error, which is caused by a shock or vibration due to a hammer impact. The measurement error is investigated by analyzing vibration signals of the DPRMS during the impact. Moreover, the frequency response functions of the DPRMS are also analyzed. As a result, it is found that the tripod height has an influence on the DPRMS performance and a shorter tripod is better. One more founding in this study is that the DPRMS should be placed with a appropriate distance from a pile for improving the measurement precision
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Related Researcher
- Chung, Jintai
- ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)