Abstract
The experimental study on the application of explosive welding technique to urgent repairs of gas and water pipe networks was conducted. The relationship between the damage to the pipe and experimental parameters such as stand off distance and amount of explosive has been determined by a series of the explosive welding tests. The deflection of the pipe is maximum without stand-off under the same amount of emulsion explosive. As stand-off increases, the deflection of the pipe is decreased. To the definite amount of explosive, when stand-off is more than 5 mm, the deflection of the pipe becomes approximately constant. Moreover, the motion of the flyer was investigated by optical experiments. Regardless of the amount of explosive, the velocity of the flyer plate is accelerated instantly over 200 m/s within 0.5 mm flying distance and reached approximately constant velocity at short flying distance smaller than 5 mm.
| Original language | English |
|---|---|
| Pages (from-to) | 260-265 |
| Number of pages | 6 |
| Journal | Kayaku Gakkaishi/Journal of the Japan Explosives Society |
| Volume | 61 |
| Issue number | 6 |
| Publication status | Published - Dec 1 2000 |
| Externally published | Yes |
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All Science Journal Classification (ASJC) codes
- Building and Construction
- Geotechnical Engineering and Engineering Geology
Cite this
On development of urgent repair techniques for steel pipe destroyed by natural disaster (I). Explosive welding test and optical measurement of flyer motion. / Ogata, Yuji; Kubota, Shiro; Masui, Akira; Wada, Yuji; Seto, Masahiro; Katsuyama, Kunihisa; Shimada, Hideki; Matsui, Kikuo.
In: Kayaku Gakkaishi/Journal of the Japan Explosives Society, Vol. 61, No. 6, 01.12.2000, p. 260-265.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - On development of urgent repair techniques for steel pipe destroyed by natural disaster (I). Explosive welding test and optical measurement of flyer motion
AU - Ogata, Yuji
AU - Kubota, Shiro
AU - Masui, Akira
AU - Wada, Yuji
AU - Seto, Masahiro
AU - Katsuyama, Kunihisa
AU - Shimada, Hideki
AU - Matsui, Kikuo
PY - 2000/12/1
Y1 - 2000/12/1
N2 - The experimental study on the application of explosive welding technique to urgent repairs of gas and water pipe networks was conducted. The relationship between the damage to the pipe and experimental parameters such as stand off distance and amount of explosive has been determined by a series of the explosive welding tests. The deflection of the pipe is maximum without stand-off under the same amount of emulsion explosive. As stand-off increases, the deflection of the pipe is decreased. To the definite amount of explosive, when stand-off is more than 5 mm, the deflection of the pipe becomes approximately constant. Moreover, the motion of the flyer was investigated by optical experiments. Regardless of the amount of explosive, the velocity of the flyer plate is accelerated instantly over 200 m/s within 0.5 mm flying distance and reached approximately constant velocity at short flying distance smaller than 5 mm.
AB - The experimental study on the application of explosive welding technique to urgent repairs of gas and water pipe networks was conducted. The relationship between the damage to the pipe and experimental parameters such as stand off distance and amount of explosive has been determined by a series of the explosive welding tests. The deflection of the pipe is maximum without stand-off under the same amount of emulsion explosive. As stand-off increases, the deflection of the pipe is decreased. To the definite amount of explosive, when stand-off is more than 5 mm, the deflection of the pipe becomes approximately constant. Moreover, the motion of the flyer was investigated by optical experiments. Regardless of the amount of explosive, the velocity of the flyer plate is accelerated instantly over 200 m/s within 0.5 mm flying distance and reached approximately constant velocity at short flying distance smaller than 5 mm.
UR - http://www.scopus.com/inward/record.url?scp=0034430582&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034430582&partnerID=8YFLogxK
M3 - Article
VL - 61
SP - 260
EP - 265
JO - Kayaku Gakkaishi/Journal of the Japan Explosives Society
JF - Kayaku Gakkaishi/Journal of the Japan Explosives Society
SN - 1340-2781
IS - 6
ER -