JP4461299B2 - 埋設深さ測定装置 - Google Patents
埋設深さ測定装置 Download PDFInfo
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- JP4461299B2 JP4461299B2 JP2005122805A JP2005122805A JP4461299B2 JP 4461299 B2 JP4461299 B2 JP 4461299B2 JP 2005122805 A JP2005122805 A JP 2005122805A JP 2005122805 A JP2005122805 A JP 2005122805A JP 4461299 B2 JP4461299 B2 JP 4461299B2
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- 238000005259 measurement Methods 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
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- 238000003384 imaging method Methods 0.000 description 1
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Description
最初に鉄筋18の水平位置を求める手段について記す。コンクリート構造物12の表面を鉄筋18の軸線と直交させて送受信部14を走査させる。そして、走査線上の各位置におけて、第1送信アンテナ28A、第2送信アンテナ32Aを切り替えて送信機38に接続し、これに同期して第1受信アンテナ28B、第2受信アンテナ32Bを切り替えて受信機40に接続し、第1受信アンテナ28Bと第2受信アンテナ32Bとの受信データを、演算制御部20の信号処理部50において連続的に収集し、演算部52に送出する。演算部52は、信号処理部50の出力する受信データを距離センサ36の出力する走査基点からの走査距離信号とともにメモリ54に書き込む。さらに、演算部52は、信号処理部50と距離センサ36とから入力したデータに基づいて、コンクリート構造物12のBモードの像(垂直断面像)を生成し、表示部22に表示するとともに、メモリ54に書き込む。
Claims (2)
- 送信波を送信する第1送信部と反射波を受信する第1受信部とからなる第1送受信ユニットと、
送信波を送信する第2送信部と反射波を受信する第2受信部とからなり、前記第2送信部と前記第2受信部との間隔が前記第1送信部と前記第1受信部との間隔と異なり、中心を前記第1送受信ユニットの中心と一致させた第2送受信ユニットと、
前記第1送受信ユニットと前記第2送受信ユニットとを一体に移動させるユニット支持部と、
前記第1送受信ユニットと前記第2送受信ユニットとを切り替えて送受信を行なわせる切替え部と、
前記各受信部の出力信号に基づいて、前記各送信部の送信した送信波に対応する前記受信部の受信した反射波を求める信号処理部と、
前記信号処理部が求めた前記各受信部が受信した反射波の強さに基づいて、埋設物の深さおよび検査媒体中の前記送信波の伝播速度を求める演算部と、
前記演算部の演算結果を表示する表示部と、
を有することを特徴とする埋設深さ測定装置。 - 請求項1に記載の埋設深さ測定装置において、
前記演算部は、前記第1送信部が送信した前記送信波の反射波を受信して前記第1受信部が出力する信号列と、前記第2送信部が送信した前記送信波の反射波を受信して前記第2受信部が出力する信号列とに基づいて、埋設物頂部のかぶり深さ求めることを特徴とする埋設深さ測定装置。
Priority Applications (1)
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JP2005122805A JP4461299B2 (ja) | 2005-04-20 | 2005-04-20 | 埋設深さ測定装置 |
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JP2005122805A JP4461299B2 (ja) | 2005-04-20 | 2005-04-20 | 埋設深さ測定装置 |
Publications (2)
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JP2006300730A JP2006300730A (ja) | 2006-11-02 |
JP4461299B2 true JP4461299B2 (ja) | 2010-05-12 |
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JP2005122805A Active JP4461299B2 (ja) | 2005-04-20 | 2005-04-20 | 埋設深さ測定装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109997038B (zh) * | 2016-12-01 | 2023-02-17 | 东京制纲株式会社 | 磁性线状体的损伤评价方法及损伤评价装置 |
JP6796051B2 (ja) * | 2017-10-30 | 2020-12-02 | 公益財団法人鉄道総合技術研究所 | かぶり厚検査装置 |
JP7043663B1 (ja) | 2021-07-13 | 2022-03-29 | Keytec株式会社 | 鉄筋コンクリート構造体の構造推定装置並びに方法 |
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