ATE451612T1 - Verfahren zur vorhersage des elastizitätsmoduls einer auf nutzholz basierenden rohmaterialgruppe mittels bestimmung der spannungswellengeschwindigkeit - Google Patents

Verfahren zur vorhersage des elastizitätsmoduls einer auf nutzholz basierenden rohmaterialgruppe mittels bestimmung der spannungswellengeschwindigkeit

Info

Publication number
ATE451612T1
ATE451612T1 AT06256280T AT06256280T ATE451612T1 AT E451612 T1 ATE451612 T1 AT E451612T1 AT 06256280 T AT06256280 T AT 06256280T AT 06256280 T AT06256280 T AT 06256280T AT E451612 T1 ATE451612 T1 AT E451612T1
Authority
AT
Austria
Prior art keywords
raw material
wave velocity
predicting
material group
stress wave
Prior art date
Application number
AT06256280T
Other languages
English (en)
Inventor
Chih-Lin Huang
Stanley L Floyd
Original Assignee
Weyerhaeuser Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Application granted granted Critical
Publication of ATE451612T1 publication Critical patent/ATE451612T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4418—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a model, e.g. best-fit, regression analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4472—Mathematical theories or simulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0075—Strain-stress relations or elastic constants
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0238—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02466—Biological material, e.g. blood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
AT06256280T 2005-12-19 2006-12-08 Verfahren zur vorhersage des elastizitätsmoduls einer auf nutzholz basierenden rohmaterialgruppe mittels bestimmung der spannungswellengeschwindigkeit ATE451612T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/312,191 US7266461B2 (en) 2005-12-19 2005-12-19 Methods for adjusting stress wave velocity-based predictions of lumber stiffness and warp propensity of a timber-based raw material group

Publications (1)

Publication Number Publication Date
ATE451612T1 true ATE451612T1 (de) 2009-12-15

Family

ID=37890900

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06256280T ATE451612T1 (de) 2005-12-19 2006-12-08 Verfahren zur vorhersage des elastizitätsmoduls einer auf nutzholz basierenden rohmaterialgruppe mittels bestimmung der spannungswellengeschwindigkeit

Country Status (6)

Country Link
US (1) US7266461B2 (de)
EP (2) EP1840565A1 (de)
JP (1) JP2007178430A (de)
AT (1) ATE451612T1 (de)
CA (1) CA2569217C (de)
DE (1) DE602006010965D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ545247A (en) * 2005-02-11 2007-05-31 Waratah Nz Ltd Method and apparatus for assessing or predicting the characteristics of wood
US8496034B2 (en) * 2007-03-27 2013-07-30 Weyerhaeuser Nr Company Methods for predicting warp at a given condition
JP5074117B2 (ja) * 2007-07-24 2012-11-14 株式会社ユアテック 埋設コンクリート基礎の形状測定方法及び装置
CN102841141A (zh) * 2012-08-27 2012-12-26 中国科学院力学研究所 一种新的材料动态力学性能测试方法和装置
CN109060965B (zh) * 2018-06-29 2023-08-22 中国能源建设集团科技发展有限公司 汽轮机轴向装配枞树型叶根纵波超声波检测专用参考试块
CN110940728B (zh) * 2019-12-17 2022-05-06 湖北民族大学 树木缺陷无损检测方法
US11536697B2 (en) * 2020-03-02 2022-12-27 Usnr, Llc Acoustic evaluation of wood properties
CN121682310B (zh) * 2025-12-10 2026-06-26 中国林业科学研究院木材工业研究所 一种基于活立木应力波数据的木材力学性能预测方法、系统、设备以及介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2341021C (en) * 1998-09-02 2006-06-13 Weyerhaeuser Nr Company Method for determining warp potential in wood
US6308571B1 (en) * 1998-09-02 2001-10-30 Weyerhaeuser Company Method for determining crook potential in wood
NZ503953A (en) * 2000-04-12 2002-12-20 Carter Holt Harvey Ltd Apparatus and method for estimating timber stiffness profiles of a log by determining the density profile of a cant
NZ527569A (en) * 2001-01-31 2005-11-25 Univ Michigan Tech System for and method of performing evaluation techniques on a log or round timber
US6598477B2 (en) 2001-10-31 2003-07-29 Weyerhaeuser Company Method of evaluating logs to predict warp propensity of lumber sawn from the logs
TW509782B (en) * 2001-11-20 2002-11-11 Taiwan Forestry Res Inst Nondestructive testing technique for wood stress wave

Also Published As

Publication number Publication date
US20070156353A1 (en) 2007-07-05
EP1840565A1 (de) 2007-10-03
JP2007178430A (ja) 2007-07-12
CA2569217C (en) 2010-06-01
US7266461B2 (en) 2007-09-04
DE602006010965D1 (de) 2010-01-21
EP1798548A1 (de) 2007-06-20
CA2569217A1 (en) 2007-06-19
EP1798548B1 (de) 2009-12-09

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