JP2009156023A - 基礎内の引張応力の磁気ひずみ測定 - Google Patents
基礎内の引張応力の磁気ひずみ測定 Download PDFInfo
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- JP2009156023A JP2009156023A JP2008321699A JP2008321699A JP2009156023A JP 2009156023 A JP2009156023 A JP 2009156023A JP 2008321699 A JP2008321699 A JP 2008321699A JP 2008321699 A JP2008321699 A JP 2008321699A JP 2009156023 A JP2009156023 A JP 2009156023A
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- foundation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Wind Motors (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
【解決手段】本基礎は、基礎本体と、下部アンカプレート及び構造物を連結した少なくとも1つのアンカボルトと、基礎本体内に配置されかつ少なくとも1つのアンカボルトにかかる荷重を測定するようになった磁気ひずみ荷重測定センサとを含む。
【選択図】 図1
Description
22 ナセル
26 ハブ
28 ロータブレード
100 基礎
102 基礎本体
104 アンカプレート
110 アンカボルト
112 ナット
113 ナット
120 (磁気ひずみ)荷重測定センサ
122 電子機器
212 ナット
214 鋼ロッド
216 磁場センサ
218 ハウジング/カプセル
222 配線
412 ワイヤ
414 プラグ
500 風力タービン
600 荷重測定ユニット
612 取付け要素
614 磁気エンコーデッドロッド
616 磁場センサ
Claims (10)
- 構造物を支持するための基礎であって、
基礎本体と、
下部アンカプレート及び前記構造物を連結した少なくとも1つのアンカボルトと、
前記少なくとも1つのアンカボルトにかかる荷重を測定するようになった磁気ひずみ荷重測定センサと、を含み、
前記磁気ひずみ荷重測定センサが、前記基礎本体内に配置される、
基礎。 - 前記磁気ひずみ荷重測定センサが、前記少なくとも1つのアンカボルトに近接して配置された磁場センサを含む、請求項1記載の基礎。
- 前記磁気ひずみ荷重測定センサが、
前記少なくとも1つのアンカボルトに連結されかつ該少なくとも1つのアンカボルトの長さの方向にその長さが延びる少なくとも1つの磁気エンコーデッド鋼ロッドと、
前記少なくとも1つの磁気エンコーデッド鋼ロッドに近接して配置された磁場センサと、を含み、
前記少なくとも1つの磁気エンコーデッド鋼ロッドが、前記少なくとも1つの引張ボルトの第1の位置及び前記少なくとも1つのアンカボルトの第2の位置に固定連結される、
請求項1記載の基礎。 - 少なくとも2つの磁気エンコーデッド鋼ロッドが、前記少なくとも1つのアンカボルトの各々に対して設けられ、
少なくとも1つの磁場センサが、前記少なくとも2つの磁気エンコーデッド鋼ロッドの各々に近接して配置される、
請求項3記載の基礎。 - 該基礎の4つの側部におけるアンカボルトには、荷重測定センサが備えられ、
前記4つの側部の2つが、それぞれ互いに対向している、
請求項1から請求項4のいずれか1項記載の基礎。 - 前記基礎本体内でのその移動を可能にするようになった荷重測定ユニット用のハウジングをさらに含む、請求項1から請求項6のいずれか1項記載の基礎。
- 請求項1から請求項6のいずれか1項記載の基礎と、
前記基礎によって支持されたタワーと、
を含む、風力タービン。 - タワー、前記タワーによって支持されたナセル、前記ナセルに連結されたハブ、及び前記ハブに連結された少なくとも1つのロータブレードから成る群の少なくとも1つの構造構成要素を含み、
前記構造構成要素の少なくとも1つに対して、少なくとも1つの磁気エンコーデッド鋼ロッドが連結され、
前記少なくとも1つの磁気エンコーデッド鋼ロッドが、前記少なくとも1つの構造構成要素の第1の位置及び該少なくとも1つの構造構成要素の第2の位置に固定連結され、
磁場センサが、前記少なくとも1つの磁気エンコーデッド鋼ロッドに近接して配置される、
風力タービン。 - 請求項1から請求項6のいずれか1項記載の基礎をさらに含む、請求項8記載の風力タービン。
- 基礎のアンカボルト内の引張応力を測定する方法であって、
前記基礎内に磁気ひずみ荷重センサを埋め込むステップと、
前記磁気ひずみ荷重センサの信号配線に外部アクセスするようになったプラグを設けるステップと、
前記プラグに対して測定電子機器を接続するステップと、
前記アンカボルトの引張応力を測定するステップと、を含む、
方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/964,196 | 2007-12-26 | ||
US11/964,196 US8226354B2 (en) | 2007-12-26 | 2007-12-26 | Magnetostrictive measurement of tensile stress in foundations |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009156023A true JP2009156023A (ja) | 2009-07-16 |
JP5372485B2 JP5372485B2 (ja) | 2013-12-18 |
Family
ID=40473793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008321699A Expired - Fee Related JP5372485B2 (ja) | 2007-12-26 | 2008-12-18 | 基礎内の引張応力の磁気ひずみ測定 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8226354B2 (ja) |
EP (1) | EP2075562B1 (ja) |
JP (1) | JP5372485B2 (ja) |
KR (1) | KR20090071422A (ja) |
CN (1) | CN101469548B (ja) |
AU (1) | AU2008258193B2 (ja) |
CA (1) | CA2647118C (ja) |
ES (1) | ES2390985T3 (ja) |
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CN207278282U (zh) * | 2016-10-21 | 2018-04-27 | 长沙理工大学 | Gfrp筋锚杆的绝对应变测试装置及其安装结构 |
EP3379222B1 (en) | 2017-03-22 | 2020-12-30 | Methode Electronics Malta Ltd. | Magnetoelastic based sensor assembly |
EP3457102A1 (en) * | 2017-09-15 | 2019-03-20 | Hayat Civil Engineering Limited | A meter for mounting on a component of a temporary construction structure |
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Also Published As
Publication number | Publication date |
---|---|
CN101469548A (zh) | 2009-07-01 |
AU2008258193A1 (en) | 2009-07-16 |
US8226354B2 (en) | 2012-07-24 |
CN101469548B (zh) | 2013-06-12 |
EP2075562A3 (en) | 2009-12-23 |
AU2008258193B2 (en) | 2013-07-25 |
ES2390985T3 (es) | 2012-11-20 |
US20090169380A1 (en) | 2009-07-02 |
KR20090071422A (ko) | 2009-07-01 |
EP2075562B1 (en) | 2012-08-01 |
JP5372485B2 (ja) | 2013-12-18 |
CA2647118A1 (en) | 2009-06-26 |
CA2647118C (en) | 2013-08-13 |
EP2075562A2 (en) | 2009-07-01 |
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