CN114486537A - 一种基于小构件简单拔出试验的传递长度估算方法 - Google Patents
一种基于小构件简单拔出试验的传递长度估算方法 Download PDFInfo
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- CN114486537A CN114486537A CN202210037804.3A CN202210037804A CN114486537A CN 114486537 A CN114486537 A CN 114486537A CN 202210037804 A CN202210037804 A CN 202210037804A CN 114486537 A CN114486537 A CN 114486537A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000007586 pull-out test Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 title abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 145
- 239000010959 steel Substances 0.000 claims abstract description 145
- 238000012360 testing method Methods 0.000 claims abstract description 102
- 238000012546 transfer Methods 0.000 claims abstract description 44
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims description 125
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000036316 preload Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 19
- 239000011513 prestressed concrete Substances 0.000 abstract description 6
- 210000002435 tendon Anatomy 0.000 description 12
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
- G01N3/04—Chucks
-
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- 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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
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- 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 (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210037804.3A CN114486537B (zh) | 2022-01-13 | 2022-01-13 | 一种基于小构件简单拔出试验的传递长度估算方法 |
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CN202210037804.3A CN114486537B (zh) | 2022-01-13 | 2022-01-13 | 一种基于小构件简单拔出试验的传递长度估算方法 |
Publications (2)
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CN114486537A true CN114486537A (zh) | 2022-05-13 |
CN114486537B CN114486537B (zh) | 2022-12-13 |
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CN202210037804.3A Active CN114486537B (zh) | 2022-01-13 | 2022-01-13 | 一种基于小构件简单拔出试验的传递长度估算方法 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170102304A1 (en) * | 2015-10-09 | 2017-04-13 | University Of Dammam | Non-destructive apparatus, system and method for determining pull-out capacity of anchor bolts |
CN107504903A (zh) * | 2017-09-09 | 2017-12-22 | 湘潭大学 | 一种基于光纤传感的先张预应力筋应力传递长度监测装置及其监测方法 |
CN111578859A (zh) * | 2020-06-04 | 2020-08-25 | 中冶建筑研究总院有限公司 | 光纤法测量预应力传递长度和粘结锚固强度的结构及方法 |
CN112613103A (zh) * | 2020-12-22 | 2021-04-06 | 长沙理工大学 | 一种混凝土胀裂影响下先张法构件传递长度计算方法 |
CN113446973A (zh) * | 2021-06-29 | 2021-09-28 | 西南交通大学 | 预应力传递长度测量方法、装置及电子设备 |
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2022
- 2022-01-13 CN CN202210037804.3A patent/CN114486537B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170102304A1 (en) * | 2015-10-09 | 2017-04-13 | University Of Dammam | Non-destructive apparatus, system and method for determining pull-out capacity of anchor bolts |
CN107504903A (zh) * | 2017-09-09 | 2017-12-22 | 湘潭大学 | 一种基于光纤传感的先张预应力筋应力传递长度监测装置及其监测方法 |
CN111578859A (zh) * | 2020-06-04 | 2020-08-25 | 中冶建筑研究总院有限公司 | 光纤法测量预应力传递长度和粘结锚固强度的结构及方法 |
CN112613103A (zh) * | 2020-12-22 | 2021-04-06 | 长沙理工大学 | 一种混凝土胀裂影响下先张法构件传递长度计算方法 |
CN113446973A (zh) * | 2021-06-29 | 2021-09-28 | 西南交通大学 | 预应力传递长度测量方法、装置及电子设备 |
Non-Patent Citations (1)
Title |
---|
刘九正等: "先张法混凝土构件预应力传递长度试验研究", 《中外公路》 * |
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Inventor after: Jiang Xin Inventor after: Zhang Wei Inventor after: Lu Hailin Inventor after: Qi Shen Inventor after: Du Jianqun Inventor after: Zhu Jinqian Inventor after: Liu Jie Inventor before: Jiang Xin Inventor before: Lu Hailin Inventor before: Qi Shen Inventor before: Du Jianqun Inventor before: Zhu Jinqian Inventor before: Liu Jie Inventor before: Zhang Wei |
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Address after: 430223 No. 206, Guanggu 1st Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN INSTITUTE OF TECHNOLOGY Country or region after: China Patentee after: Hubei Muzhijun Technology Co.,Ltd. Address before: 430074, No. 693 Xiong Chu street, Hongshan District, Hubei, Wuhan Patentee before: WUHAN INSTITUTE OF TECHNOLOGY Country or region before: China Patentee before: HUBEI MUZHI JUN ENGINEERING MATERIALS CO.,LTD. |
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