JP4427420B2 - 既設管路の状態測定方法及び状態測定装置 - Google Patents
既設管路の状態測定方法及び状態測定装置 Download PDFInfo
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- JP4427420B2 JP4427420B2 JP2004264053A JP2004264053A JP4427420B2 JP 4427420 B2 JP4427420 B2 JP 4427420B2 JP 2004264053 A JP2004264053 A JP 2004264053A JP 2004264053 A JP2004264053 A JP 2004264053A JP 4427420 B2 JP4427420 B2 JP 4427420B2
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Description
また、前記本体部に鉛直維持機構を介して固定されているため、測定装置の本体部が傾斜しているときでも、管路の上壁面に鉛直に接触体を接触させることができ、管路の位置測定の精度を向上させることができる。
Claims (5)
- 地中に埋設された下水管等の既設管路の状態を測定する装置であって、
本体部と、該本体部から鉛直方向に延出し前記管路の上部内壁面に弾接する接触体と、該接触体に固定したスケールとを備え、
前記接触体は、前記本体部に鉛直維持機構を介して固定されていることを特徴とする既設管路の状態測定装置。 - 前記本体部は、該本体部を前記管路の中心軸に沿わせるべく中央維持機構を備えることを特徴とする請求項1に記載の既設管路の状態測定装置。
- 請求項1または2に記載の既設管路の状態測定装置を利用して地中に埋設された下水管等の既設管路の状態を測定する方法であって、
所定の測定位置と前記管路の上部内壁面との間の距離を測定して、該測定を前記管路に沿って複数個所で実施することで、前記管路の状態を測定することを特徴とする既設管路の状態測定方法。 - 請求項2に記載の既設管路の状態測定装置を利用して地中に埋設された下水管等の既設管路の状態を測定する方法であって、
該状態測定装置を移動させ、
前記管路内部で水平方向あるいは所定の勾配に沿って基準ビームを発射し、
前記管路の上部内壁面に弾接する接触体上に投射された基準ビームの投射位置の接触体の中心から左右方向への距離を測定して、該測定を前記管路に沿って複数個所で実施することで、前記管路の水平方向の蛇行の状態を測定することを特徴とする既設管路の状態測定方法。 - 前記測定装置は、供用中の下水等の液体が流下している状態で、前記本体部を前記液体に浮かべて移動されるものであることを特徴とする請求項3または4に記載の既設管路の状態測定方法。
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| JP2004264053A JP4427420B2 (ja) | 2004-09-10 | 2004-09-10 | 既設管路の状態測定方法及び状態測定装置 |
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| JP2004264053A JP4427420B2 (ja) | 2004-09-10 | 2004-09-10 | 既設管路の状態測定方法及び状態測定装置 |
Publications (2)
| Publication Number | Publication Date |
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| JP2006078396A JP2006078396A (ja) | 2006-03-23 |
| JP4427420B2 true JP4427420B2 (ja) | 2010-03-10 |
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| JP2004264053A Expired - Lifetime JP4427420B2 (ja) | 2004-09-10 | 2004-09-10 | 既設管路の状態測定方法及び状態測定装置 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6681173B2 (ja) * | 2015-11-09 | 2020-04-15 | 株式会社日立製作所 | 管路施設点検飛行体とそれを用いた管路施設点検システム |
| CN106767548B (zh) * | 2017-03-08 | 2023-07-25 | 长春理工大学 | 空间三坐标法检测火炮身管射击状态下指向性装置及方法 |
| CN109322336A (zh) * | 2018-11-22 | 2019-02-12 | 中国南方电网有限责任公司超高压输电公司昆明局 | 一种用于管道构架基础沉降的监测装置 |
| CN112378375A (zh) * | 2020-11-30 | 2021-02-19 | 徐州中交徐盐高铁客运枢纽有限公司 | 一种桥梁支架沉降监测装置 |
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