CN109682694A - 方板静态扭转应变法测试木材剪切模量的方法 - Google Patents
方板静态扭转应变法测试木材剪切模量的方法 Download PDFInfo
- Publication number
- CN109682694A CN109682694A CN201910162046.6A CN201910162046A CN109682694A CN 109682694 A CN109682694 A CN 109682694A CN 201910162046 A CN201910162046 A CN 201910162046A CN 109682694 A CN109682694 A CN 109682694A
- Authority
- CN
- China
- Prior art keywords
- plank
- strain
- square plate
- degree
- modulus
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000002023 wood Substances 0.000 title claims abstract description 27
- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 239000011888 foil Substances 0.000 claims abstract description 52
- 238000010008 shearing Methods 0.000 claims abstract description 47
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 11
- 235000005456 Pinus sylvestris var mongolica Nutrition 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 241000114025 Pinus sylvestris var. mongolica Species 0.000 description 6
- 235000004507 Abies alba Nutrition 0.000 description 5
- 241000218594 Picea pungens Species 0.000 description 5
- 241000218638 Thuja plicata Species 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 241001274660 Modulus Species 0.000 description 2
- 239000011093 chipboard Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 241000351396 Picea asperata Species 0.000 description 1
- 241000218595 Picea sitchensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910162046.6A CN109682694B (zh) | 2019-03-05 | 2019-03-05 | 方板静态扭转应变法测试木材剪切模量的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910162046.6A CN109682694B (zh) | 2019-03-05 | 2019-03-05 | 方板静态扭转应变法测试木材剪切模量的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109682694A true CN109682694A (zh) | 2019-04-26 |
CN109682694B CN109682694B (zh) | 2021-07-13 |
Family
ID=66196368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910162046.6A Active CN109682694B (zh) | 2019-03-05 | 2019-03-05 | 方板静态扭转应变法测试木材剪切模量的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109682694B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110031332A (zh) * | 2019-04-29 | 2019-07-19 | 西南大学 | 一种织物硬挺度的测试方法 |
CN110160892A (zh) * | 2019-07-04 | 2019-08-23 | 四川大学 | 一种用扭转实验测量各向异性岩石变形常数的方法 |
CN110631930A (zh) * | 2019-11-01 | 2019-12-31 | 南京林业大学 | 动态测试osb面内泊松比的跨中贴片法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100994424B1 (ko) * | 2009-12-09 | 2010-11-16 | 배윤신 | 대변형율 시험이 가능한 공진주 및 비틂전단 시험장치 |
CN105738201A (zh) * | 2016-02-06 | 2016-07-06 | 南京林业大学 | 动态测定木材泊松比时确定应变花粘贴位置的方法 |
CN206095816U (zh) * | 2016-10-24 | 2017-04-12 | 南京林业大学 | 木材剪切模量的静态方板法测试装置 |
CN106770659A (zh) * | 2016-12-28 | 2017-05-31 | 南京林业大学 | 同步动态测定木材弹性模量、剪切模量和泊松比的方法 |
-
2019
- 2019-03-05 CN CN201910162046.6A patent/CN109682694B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100994424B1 (ko) * | 2009-12-09 | 2010-11-16 | 배윤신 | 대변형율 시험이 가능한 공진주 및 비틂전단 시험장치 |
CN105738201A (zh) * | 2016-02-06 | 2016-07-06 | 南京林业大学 | 动态测定木材泊松比时确定应变花粘贴位置的方法 |
CN206095816U (zh) * | 2016-10-24 | 2017-04-12 | 南京林业大学 | 木材剪切模量的静态方板法测试装置 |
CN106770659A (zh) * | 2016-12-28 | 2017-05-31 | 南京林业大学 | 同步动态测定木材弹性模量、剪切模量和泊松比的方法 |
Non-Patent Citations (2)
Title |
---|
王正等: "测试木材剪切模量的自由板扭转振形法", 《林业科学》 * |
王韵璐等: "MDF弹性模量、泊松比和剪切模量静态测试方法探讨", 《北京林业大学学报》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110031332A (zh) * | 2019-04-29 | 2019-07-19 | 西南大学 | 一种织物硬挺度的测试方法 |
CN110160892A (zh) * | 2019-07-04 | 2019-08-23 | 四川大学 | 一种用扭转实验测量各向异性岩石变形常数的方法 |
CN110160892B (zh) * | 2019-07-04 | 2020-07-24 | 四川大学 | 一种用扭转实验测量各向异性岩石变形常数的方法 |
CN110631930A (zh) * | 2019-11-01 | 2019-12-31 | 南京林业大学 | 动态测试osb面内泊松比的跨中贴片法 |
CN110631930B (zh) * | 2019-11-01 | 2022-04-12 | 南京林业大学 | 动态测试osb面内泊松比的跨中贴片法 |
Also Published As
Publication number | Publication date |
---|---|
CN109682694B (zh) | 2021-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109682694A (zh) | 方板静态扭转应变法测试木材剪切模量的方法 | |
Aicher et al. | Hybrid cross-laminated timber plates with beech wood cross-layers | |
CN106770659B (zh) | 同步动态测定木材弹性模量、剪切模量和泊松比的方法 | |
Wang et al. | Strain method for synchronous dynamic measurement of elastic, shear modulus and Poisson’s ratio of wood and wood composites | |
Yoshihara | Measurement of the Young's modulus and shear modulus of in-plane quasi-isotropic medium-density fiberboard by flexural vibration. | |
Wang et al. | Mechanical properties of wood columns with rectangular hollow cross section | |
Steiger et al. | Experimental investigation of friction stresses between adjacent panels made of Oriented Strand Board (OSB) and between OSB panels and glued laminated timber (GLT) frame members | |
CN105738201B (zh) | 动态测定木材泊松比时确定应变花粘贴位置的方法 | |
Pavluk et al. | STIFFNESS OF SOLID WOOD BEAMS UNDER DIRECT AND OBLIQUE BENDING CONDITIONS | |
Burdzik et al. | Transverse vibration tests for prediction of stiffness and strength properties of full size Eucalyptus grandis. | |
Li et al. | Structural design and mechanical properties analysis of bamboo-wood cross-laminated timber | |
Zhang et al. | Experimental and numerical investigation into the bending behavior of stiffened hollow glulam beams | |
Guo et al. | The research of parallel to the grain compression performance test of laminated glued bamboo-wood composites | |
Li | Duration-of-load and size effects on the rolling shear strength of cross laminated timber | |
CN116642785B (zh) | 一种胶合木层板弹性模量的无损检测系统 | |
Davalos et al. | Transverse isotropy modeling of 3-D glulam timber beams | |
Sjödin | Steel-to-timber dowel joints: Influence of moisture induced stresses | |
Wang et al. | Experimental Study and Finite Element Simulation Analysis of the Bending Properties of Cross-Laminated Timber (CLT) Two-Way Plates. | |
Moarcas et al. | Determination of Poisson's ratio for particleboard in pure bending | |
Faust et al. | Strength and stiffness properties of sweetgum and yellow-poplar structural lumber | |
Gu et al. | Dynamic test and analysis of strength of bamboo curtain plywood based on free vibration modal method | |
CN109900565B (zh) | 测试木基结构板材和木材剪切模量的自由方板扭转振型法 | |
Wang et al. | Mechanical properties of fast-growing poplar glulam columns reinforced with steel plate | |
Foster | Damping and Poisson factor behaviour in timber considered as an orthotropic material, part 1; the loss factor | |
Gu et al. | Dynamic Testing of Elastic Modulus, Shear Modulus, and Poisson's Ratio of Bamboo Scrimber. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 211219 practice base, No.18, Wufengshan Road, Honglan Street Industrial Park, Lishui District, Nanjing City, Jiangsu Province Applicant after: NANJING FORESTRY University Address before: Nanjing City, Jiangsu province 210037 Longpan Road No. 159 Applicant before: NANJING FORESTRY University |
|
CB02 | Change of applicant information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Zheng Inventor after: Zhang Tongyue Inventor after: Zhou Yuhao Inventor after: He Yuhang Inventor after: Huang Yujie Inventor after: Fu Haiyan Inventor after: Ding Yewei Inventor after: Xie Wenbo Inventor after: Fang Jiujin Inventor after: Shi Xin Inventor after: Zhao Xinyue Inventor after: Peng Jinda Inventor before: Wang Zheng Inventor before: Zhou Yuhao Inventor before: He Yuhang Inventor before: Fu Haiyan Inventor before: Ding Yewei Inventor before: Xie Wenbo Inventor before: Fang Jiujin Inventor before: Shi Xin Inventor before: Zhao Xinyue Inventor before: Peng Jinda Inventor before: Zhang Tongyue |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190426 Assignee: Fujian xinhengda carriage floor Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2021980009705 Denomination of invention: Test method for shear modulus of wood by square plate static torsional strain method Granted publication date: 20210713 License type: Common License Record date: 20210922 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190426 Assignee: JIANGSU JINDI WOOD INDUSTRY Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2022980017746 Denomination of invention: Testing method of wood shear modulus by square plate static torsional strain method Granted publication date: 20210713 License type: Common License Record date: 20221011 |
|
EE01 | Entry into force of recordation of patent licensing contract |