Title:
REINFORCING BAR FIXING METHOD AND HOLE ROUGHENING DEVICE
Document Type and Number:
Japanese Patent JP2019078026
Kind Code:
A
Abstract:
To develop a roughening treatment technology capable of obtaining sufficient adhesion strength without confirming a roughening state.SOLUTION: A method for fixing the reinforcing bar to an existing concrete skeleton comprises: a step of drilling with a core drill; a step of roughening the drilled hole wall by a roughening device; a step of filling a filling material into the hole, inserting the anchor reinforcing bar into the hole, and curing the filling; and a step of fixing the reinforcing bar to the existing concrete skeleton, and the roughening step controlling a rotational speed and an in-hole movement speed of a roughing tool of a roughing device.SELECTED DRAWING: Figure 1
Inventors:
SUGIYAMA TOMOAKI
WATANABE HIDEYOSHI
WAKITA TAKUYA
OKAMOTO SUSUMU
MISUMI HIDEO
WATANABE HIDEYOSHI
WAKITA TAKUYA
OKAMOTO SUSUMU
MISUMI HIDEO
Application Number:
JP2017204298A
Publication Date:
May 23, 2019
Filing Date:
October 23, 2017
Export Citation:
Assignee:
TAISEI CORP
SEIWA RENEWAL WORKS CO LTD
MISUMI TOKUSHU KK
SEIWA RENEWAL WORKS CO LTD
MISUMI TOKUSHU KK
International Classes:
E04B1/41; B28D1/14; E04G21/12
Domestic Patent References:
| JP2015045193A | 2015-03-12 | |||
| JP2016128143A | 2016-07-14 |
Foreign References:
| US4642964A | 1987-02-17 |
Attorney, Agent or Firm:
Yasuyuki Yamada
Zentaro Hasebe
Nakamura Norihiro
Zentaro Hasebe
Nakamura Norihiro