Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
監視システム、および監視方法
Document Type and Number:
Japanese Patent JP7175234
Kind Code:
B2
Abstract:
To determine a cause of insufficient protection potential when electrolytic protection is performed on a steel foundation beam.SOLUTION: The monitoring system comprises: a concrete pile that is embedded in the ground and in which a plurality of pile reinforcements are arranged; a concrete bottom slab that is set on the surface of the ground and in which a plurality of slab reinforcements are arranged; and a steel foundation part that connects the pile and bottom slab, and at least part of which is embedded in the ground. The foundation part comprises: a steel pile head joint part that is connected to an upper end of the pile; a steel support part that extends upward from the pile head joint part; a current supply part that extends horizontally from the support part and supplies currents to foundation beams of a foundation structure including steel foundation beams that support the bottom slab; a receiving part that receives potential to ground information for foundation beams of the foundation structure; and a processing part that, based on potential to ground information, performs one of or both of the following: determination of whether low earth objects contact foundation beams and determination of whether the outflow of currents is occurring due to interference with stray currents.SELECTED DRAWING: Figure 4

Inventors:
Nobuhiro Sasaki
Kenichi Hayashi
At the time of departure
Takayuki Uemura
Application Number:
JP2019078787A
Publication Date:
November 18, 2022
Filing Date:
April 17, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Nippon Steel Engineering Co., Ltd.
Nippon Steel Corporation
International Classes:
E02D31/06; C23F13/02
Domestic Patent References:
JP2014185504A
JP2005076049A
JP2009035795A
JP2007071712A
JP2019085752A
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Hiroshi Yamaguchi