WO2019080440A1 - 一种长方体岩石试样真三轴试验装置及方法 - Google Patents

一种长方体岩石试样真三轴试验装置及方法

Info

Publication number
WO2019080440A1
WO2019080440A1 PCT/CN2018/079589 CN2018079589W WO2019080440A1 WO 2019080440 A1 WO2019080440 A1 WO 2019080440A1 CN 2018079589 W CN2018079589 W CN 2018079589W WO 2019080440 A1 WO2019080440 A1 WO 2019080440A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressing head
sample
rock sample
rectangular
disposed
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.)
Ceased
Application number
PCT/CN2018/079589
Other languages
English (en)
French (fr)
Inventor
杨圣奇
田文岭
黄彦华
殷鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
Original Assignee
China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
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 China University of Mining and Technology CUMT, China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology CUMT
Publication of WO2019080440A1 publication Critical patent/WO2019080440A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • G01N3/08—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
    • G01N3/12—Pressure testing
    • 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
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • 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

Definitions

  • the invention relates to the field of true triaxial compression mechanical behavior testing of rock, and particularly relates to a true triaxial test device and method for a rectangular parallelepiped rock sample.
  • the true triaxial compression test can independently apply the principal stresses in three directions, which can better reflect the true force characteristics of the rock in the formation, and thus can accurately predict the strength characteristics of the rock, which has attracted extensive attention from scholars, but The problem of loading boundary conditions, true triaxial tests are more difficult to seal and achieve.
  • the object of the present invention is to provide a true triaxial test device and method for a rectangular parallelepiped rock sample.
  • a true triaxial test device for a rectangular rock sample comprising an axial indenter and a lateral loading device, wherein:
  • the axial pressing head comprises an upper pressing head and a lower pressing head, wherein the upper pressing head and the lower pressing head are respectively disposed at upper and lower ends of the sample, and the upper pressing head comprises a circular portion and a square which are sequentially arranged from top to bottom. a part, the lower pressing head comprises a square portion, a circular portion and a threaded portion which are arranged in order from top to bottom;
  • the lateral loading device includes a pair of loading plates disposed on two sides of the sample, and two hydraulic plates are disposed on the outer sides of the two loading plates, and the reaction plates are disposed on the outer sides of the two hydraulic cylinders; A first displacement sensor is respectively disposed on the upper side.
  • a first sealing ring is disposed on the circular portion of the upper pressing head and the lower pressing head, and two second sealing rings are disposed on the square portion.
  • the edge of one side of the loading plate facing the sample is chamfered.
  • a pair of second displacement sensors are further disposed on the front and rear sides of the sample, and the lines connecting the two second displacement sensors and the lines connecting the two first displacement sensors are perpendicular to each other.
  • a true triaxial test method for a rectangular parallelepiped rock sample comprising the following steps:
  • the present invention adds a set of lateral hydraulic loading devices based on the surrounding pressure chamber of the conventional triaxial compression test, and supplements the special sealing method to realize the rock sample.
  • True triaxial loading Compared with other true three-axis equipment, the true triaxial test device is simple in operation, economical and has a good sealing effect.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a plan view of the present invention
  • 1 is a true triaxial test device for a rectangular parallelepiped rock sample according to the present invention, comprising an axial indenter and a lateral loading device, wherein:
  • the axial pressing head comprises an upper pressing head 1 and a lower pressing head 2, respectively, wherein the upper pressing head 1 and the lower pressing head 2 are respectively disposed at upper and lower ends of the sample, and the upper pressing head comprises a circular portion arranged in order from top to bottom.
  • the square part, the main part of the square part is to fit the square end face of the rock sample to transmit uniform pressure, the circular part is the transfer between the square part and the upper end pressure chamber, the main function is to ensure the sealing of the sample;
  • the head includes a square portion, a circular portion and a threaded portion which are arranged in order from top to bottom.
  • the square portion mainly serves to conform to the square end surface of the rock sample to transmit uniform pressure, and the circular portion is the transfer of the square portion and the thread portion.
  • the main function is to ensure the sealing of the sample, the threaded part is used for fixing with the base of the three-axis pressure equipment; the first sealing ring 3 is arranged on the circular part of the upper pressing head 1 and the lower pressing head 2, and the sealing test is performed.
  • the role of the square portion is provided with two second sealing rings 4, which can be used for secondary protection when the first sealing ring 3 of the circular portion fails;
  • the lateral loading device comprises a pair of loading plates 6 disposed on both sides of the sample, and two hydraulic plates 7 are disposed on the outer sides of the two loading plates 6, and the reaction frames 8 are disposed on the outer sides of the two hydraulic cylinders 7;
  • Each of the loading plates 6 is respectively provided with a first displacement sensor 9; the edge of one side of the loading plate 6 facing the sample is chamfered, thereby avoiding contact with the upper pressing head 1 and the lower pressing head 2; the hydraulic cylinder 7 can The lateral expansion and contraction, together with the pressure provided by the external hydraulic source, can provide loading in the direction of the second principal stress ⁇ 2 of the sample; the two first displacement sensors 9 move with the movement of the loading plates 6 on both sides, and the loading process can be measured.
  • the lines connecting the two second displacement sensors 10 and the lines connecting the two first displacement sensors 9 are perpendicular to each other.
  • a true triaxial test method for a rectangular parallelepiped rock sample comprising the following steps:
  • the first displacement sensor 9 and the second displacement sensor 10 are installed and adjusted so that the two first displacement sensors 9 are located on the same plane, so that the two second displacement sensors 10 correspond to each other and are located on the same plane;
  • the strain in the axial direction (ie, the first principal stress ⁇ 1 ) is measured by the displacement of the upper and lower indenters, and the strain in the direction of the second principal stress ⁇ 2 is measured by the first displacement sensor 9 mounted on both sides of the loading plate, The strain in the direction of the three principal stress ⁇ 3 is measured by the third displacement sensor 10 mounted on the reaction frame 8.
  • the method simplifies the sealing procedure of the true triaxial sample and can reduce the friction in the direction of the third principal stress ⁇ 3 to some extent.

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

一种长方体岩石试样真三轴试验装置及方法，试验装置包括轴向压头和侧向加载装置，其中：所述轴向压头包括上压头（1）和下压头（2），上压头（1）和下压头（2）分别用于设置在试样的上下两端，上压头（1）包括自上而下依次设置的圆形部分和方形部分，下压头（2）包括自上而下依次设置的方形部分、圆形部分和螺纹部分；侧向加载装置包括设置在试样的两侧的一对加载板（6），两个加载板（6）的外侧均设置有一个液压缸（7），两个液压缸（7）的外侧均设置有反力架（8）；两个加载板（6）上分别设置有一个第一位移传感器（9）。该装置及方法简化了真三轴试样的密封程序，同时可以一定程度上减少第三主应力σ 3方向的摩擦力。

Description

一种长方体岩石试样真三轴试验装置及方法 技术领域
本发明涉及到岩石真三轴压缩力学行为测试领域，特别涉及到长方体岩石试样真三轴试验装置及方法。
背景技术
真三轴压缩试验可以独立地施加三个方向的主应力，可以较好的反映岩石在地层中的真实受力特征，进而可以准确地预测岩石的强度特性，受到学者们的广泛关注，但由于加载边界条件的问题，真三轴试验较难密封和实现。
发明内容
为解决长方体岩石真三轴试验加载及密封问题，本发明的目的是提供一种长方体岩石试样真三轴试验装置及方法。
为实现上述目的，本发明采用的技术方案为：
一种长方体岩石试样真三轴试验装置，包括轴向压头和侧向加载装置，其中：
所述轴向压头包括上压头和下压头，上压头和下压头分别用于设置在试样的上下两端，上压头包括自上而下依次设置的圆形部分和方形部分，下压头包括自上而下依次设置的方形部分、圆形部分和螺纹部分；
所述侧向加载装置包括设置在试样的两侧的一对加载板，两个加载板的外侧均设置有一个液压缸，两个液压缸的外侧均设置有反力架；两个加载板上分别设置有一个第一位移传感器。
所述上压头和下压头的圆形部分上均设置有第一密封圈，方形部分上设置有两个第二密封圈。
所述加载板面向试样的一面的边缘设置有倒角。
还包括一对第二位移传感器，设置于试样的前后两侧，两个第二位移传感器的连线与两个第一位移传感器的连线相互垂直。
一种长方体岩石试样真三轴试验方法，包括以下步骤：
(1)使用胶带将长方体岩石试样的上下端部分别与上压头和下压头固定；
(2)使用热缩管将整个长方体岩石试样及上压头和下压头套住，用热风机将热缩管热缩，使得热缩管与长方体岩石试样、上压头、下压头和密封圈紧密结合；
(3)将液压缸与外部液压源连接；
(4)将侧向加载装置放置在长方体岩石试样的两侧，调整好位置，给液压缸压力，使得加载板与长方体岩石试样结合紧密；
(5)安装第一位移传感器和第二位移传感器；
(6)将步骤(2)安装好的长方体岩石试样推入围压室，充油；
(7)使用外部液压对液压缸进行加压，进而提供第二主应力σ 2；
(8)加围压，进而提供第三主应力σ 3；
(9)加轴向压力直至试样破坏。
有益效果：本发明在真三轴加载试验的基本原理上，以常规三轴压缩试验的围压室为基础，添加一套侧向液压加载装置，辅以特殊的密封方法，实现了岩石试样的真三轴加载。该真三轴试验装置与其他真三轴设备相比操作简单，经济适用，密封效果好。
附图说明
图1为本发明的结构示意图；
图2为本发明的俯视图；
图中，1-上压头，2-下压头，3-第一密封圈，4-第三密封圈，5-长方体岩石试样，6-加载板，7-液压缸，8-反力架，9-第一位移传感器，10-第二位移传感器。
具体实施方式
下面结合附图对本发明作更进一步的说明。
如图1所示为本发明一种长方体岩石试样真三轴试验装置，包括轴向压头和侧向加载装置，其中：
轴向压头包括上压头1和下压头2，上压头1和下压头2分别用于设置在试样的上下两端，上压头包括自上而下依次设置的圆形部分和方形部分，方形部分主要作用是贴合岩石试样的方形端面从而传递均匀的压力，圆形部分为方形部分与上端压力室之间的转接，主要作用为保证试样的密封；下压头包括自上而下依次设置的方形部分、圆形部分和螺纹部分，方形部分主要作用是贴合岩石试样的方形端面从而传递均匀的压力，圆形部分为方形部分与螺纹部分的转接，主要作用为保证试样的密封，螺纹部分用于与三轴压力设备底座进行固定；上压头1和下压头2的圆形部分上均设置有第一密封圈3，起到密封试样的作用，方形部分上设置有两个第二密封圈4，作用是当圆形部分的第一密封圈3失效后能进行二次保护；
侧向加载装置包括设置在试样的两侧的一对加载板6，两个加载板6的外侧均设置有一个液压缸7，两个液压缸7的外侧均设置有反力架8；两个加载板6上分别设置有一个第一位移传感器9；加载板6面向试样的一面的边缘设置有倒角，从而避免了与上压头1和下压头2的接触；液压缸7可以横向伸缩，配合外部液压源提供的压力可以给试样的第二主应力σ 2方向上提供加载；两个第一位移传感器9随着两侧的加载板6的移动而移动，可以测量加载过程中第二主应力σ 2方向上的应变；反力架8可以为侧向加载提供反力；同时，还包括，试样的前后两侧设置有一对第二位移传感器10，方便第三主应力σ 3方向上应变的测量。两个第二位移传感器10的连线与两个第一位移传感器9的连线相互垂直，
一种长方体岩石试样真三轴试验方法，包括以下步骤：
(1)使用胶带将长方体岩石试样的上下端部分别与上压头1和下压头2固定，上压头1的方形部分与长方体岩石试样5的上端固定，下压头2的方形部分与长方体岩石试样5的下端固定，并在上压头1和下压头2上分别套上一个第一密封圈3和两个第二密封圈4；
(2)使用热缩管将整个长方体岩石试样5及上压头1和下压头2套住，用热风机将热缩管热缩，使得热缩管与长方体岩石试样5、上压头1、下压头2和密封圈紧密结合；
(3)将液压缸7与外部液压源连接；
(4)将侧向加载装置放置在长方体岩石试样的两侧，调整好位置，给液压缸7压力，使得加载板6与长方体岩石试样5结合紧密；
(5)安装第一位移传感器9和第二位移传感器10，并调节，使两个第一位移传感器9对应，位于同一平面，，使两个第二位移传感器10对应，位于同一平面；
(6)将步骤(2)安装好的长方体岩石试样5推入围压室，充油；
(7)使用外部液压对液压缸7进行加压，进而提供第二主应力σ 2；
(8)加围压，进而提供第三主应力σ 3；
(9)加轴向压力直至试样破坏。
轴向加载(即第一主应力σ 1)方向的应变通过上下压头的位移测得，第二主应力σ 2方向的应变由安装在加载板两侧的第一位移传感器9测得，第三主应力σ 3方向的应变由安装在反力架8上的第三位移传感器10测得。该方法简化了真三轴试样的密封程序，同时可以一定程度上减少第三主应力σ 3方向的摩擦力。
以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (5)

  1. 一种长方体岩石试样真三轴试验装置，其特征在于：包括轴向压头和侧向加载装置，其中：
    所述轴向压头包括上压头(1)和下压头(2)，上压头(1)和下压头(2)分别用于设置在试样的上下两端，上压头包括自上而下依次设置的圆形部分和方形部分，下压头包括自上而下依次设置的方形部分、圆形部分和螺纹部分；
    所述侧向加载装置包括设置在试样的两侧的一对加载板(6)，两个加载板(6)的外侧均设置有一个液压缸(7)，两个液压缸(7)的外侧均设置有反力架(8)；两个加载板(6)上分别设置有一个第一位移传感器(9)。
  2. 根据权利要求1所述的长方体岩石试样真三轴试验装置，其特征在于：所述上压头(1)和下压头(2)的圆形部分上均设置有第一密封圈(3)，方形部分上设置有两个第二密封圈(4)。
  3. 根据权利要求1所述的长方体岩石试样真三轴试验装置，其特征在于：所述加载板(6)面向试样的一面的边缘设置有倒角。
  4. 根据权利要求1所述的长方体岩石试样真三轴试验装置，其特征在于：还包括一对第二位移传感器(10)，设置于试样的前后两侧，两个第二位移传感器(10)的连线与两个第一位移传感器(9)的连线相互垂直。
  5. 一种基于权利要求1-4任一所述装置的长方体岩石试样真三轴试验方法，其特征在于：包括以下步骤：
    (1)使用胶带将长方体岩石试样的上下端部分别与上压头和下压头固定；
    (2)使用热缩管将整个长方体岩石试样及上压头和下压头套住，用热风机将热缩管热缩，使得热缩管与长方体岩石试样、上压头、下压头和密封圈紧密结合；
    (3)将液压缸与外部液压源连接；
    (4)将侧向加载装置放置在长方体岩石试样的两侧，调整好位置，给液压缸压力，使得加载板与长方体岩石试样结合紧密；
    (5)安装第一位移传感器和第二位移传感器；
    (6)将步骤(2)安装好的长方体岩石试样推入围压室，充油；
    (7)使用外部液压对液压缸进行加压，进而提供第二主应力σ 2；
    (8)加围压，进而提供第三主应力σ 3；
    (9)加轴向压力直至试样破坏。
PCT/CN2018/079589 2017-10-23 2018-03-20 一种长方体岩石试样真三轴试验装置及方法 Ceased WO2019080440A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710991648.3 2017-10-23
CN201710991648.3A CN107741364A (zh) 2017-10-23 2017-10-23 一种长方体岩石试样真三轴试验装置及方法

Publications (1)

Publication Number Publication Date
WO2019080440A1 true WO2019080440A1 (zh) 2019-05-02

Family

ID=61238023

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/079589 Ceased WO2019080440A1 (zh) 2017-10-23 2018-03-20 一种长方体岩石试样真三轴试验装置及方法

Country Status (2)

Country Link
CN (1) CN107741364A (zh)
WO (1) WO2019080440A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110186774A (zh) * 2019-07-08 2019-08-30 四川德翔科创仪器有限公司 岩石测试试验真三轴测试装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107764631B (zh) * 2017-10-23 2019-04-05 中国矿业大学 一种含预制裂隙长方体岩石常规三轴试验的密封压头及试验方法
CN107741364A (zh) * 2017-10-23 2018-02-27 中国矿业大学 一种长方体岩石试样真三轴试验装置及方法
CN109632509B (zh) * 2019-01-14 2019-10-22 浙江大学 超重力真三轴岩石加载实验装置及方法
CN110095332B (zh) * 2019-03-22 2020-11-17 四川大学 一种三轴霍普金森压杆实验岩石试样密封方法及密封装置
CN109946166A (zh) * 2019-03-22 2019-06-28 湘潭大学 一种岩石围压模拟装置
CN110017763B (zh) * 2019-04-25 2021-04-09 黄河水利委员会黄河水利科学研究院 一种长方体试样的侧向变形测量系统
CN111198136A (zh) * 2020-02-17 2020-05-26 北京科技大学 一种岩体含冰裂缝网络冻胀扩展过程监测试验系统及方法
CN115656220A (zh) * 2022-11-11 2023-01-31 中国矿业大学 一种真三轴应力条件下实时微波破岩试验装置及其方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728895A (en) * 1970-12-18 1973-04-24 Trw Inc Triaxial compression test apparatus
CN102607958A (zh) * 2012-03-22 2012-07-25 长沙理工大学 一种路面半刚性基层材料三向独立加载试验方法及装置
CN103207114A (zh) * 2013-03-08 2013-07-17 山东科技大学 三向刚性加载岩石真三轴仪
CN104677815A (zh) * 2015-03-06 2015-06-03 西南石油大学 真三轴岩石参数测试系统
CN106404568A (zh) * 2016-10-26 2017-02-15 中国科学院武汉岩土力学研究所 可测量致密岩石气体渗透率的真/假三轴试验装置
CN107741364A (zh) * 2017-10-23 2018-02-27 中国矿业大学 一种长方体岩石试样真三轴试验装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101727405B1 (ko) * 2015-10-28 2017-05-02 전북대학교산학협력단 Shpb 충격시험 전용 삼축 압축셀 및 이를 이용한 동적 삼축 전단 시험기법
CN105938070B (zh) * 2016-07-06 2019-05-03 山东大学 多功能真三轴岩石钻探测试系统及表征岩体特性的试验方法
CN106018100B (zh) * 2016-07-06 2019-03-01 山东大学 一种多功能真三轴岩石钻探测试系统
CN106289996B (zh) * 2016-10-26 2023-04-28 中国科学院武汉岩土力学研究所 一种可进行真假三轴试验的装置
CN206192782U (zh) * 2016-10-26 2017-05-24 中国科学院武汉岩土力学研究所 一种可进行真假三轴试验的装置
CN106525595B (zh) * 2016-10-26 2019-06-14 中国科学院武汉岩土力学研究所 一种可进行真假三轴试验的方法
CN106596281B (zh) * 2016-12-20 2018-03-13 东北大学 一种高压真三轴硬岩恒温时效破裂试验装置及方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728895A (en) * 1970-12-18 1973-04-24 Trw Inc Triaxial compression test apparatus
CN102607958A (zh) * 2012-03-22 2012-07-25 长沙理工大学 一种路面半刚性基层材料三向独立加载试验方法及装置
CN103207114A (zh) * 2013-03-08 2013-07-17 山东科技大学 三向刚性加载岩石真三轴仪
CN104677815A (zh) * 2015-03-06 2015-06-03 西南石油大学 真三轴岩石参数测试系统
CN106404568A (zh) * 2016-10-26 2017-02-15 中国科学院武汉岩土力学研究所 可测量致密岩石气体渗透率的真/假三轴试验装置
CN107741364A (zh) * 2017-10-23 2018-02-27 中国矿业大学 一种长方体岩石试样真三轴试验装置及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110186774A (zh) * 2019-07-08 2019-08-30 四川德翔科创仪器有限公司 岩石测试试验真三轴测试装置

Also Published As

Publication number Publication date
CN107741364A (zh) 2018-02-27

Similar Documents

Publication Publication Date Title
CN107741364A (zh) 一种长方体岩石试样真三轴试验装置及方法
CN103645096B (zh) 可变尺寸的真三轴试验机
CN102288486B (zh) 一种真三轴压力室
CN104677815B (zh) 真三轴岩石参数测试系统
CN103471907B (zh) 一种应用于岩石三轴试验中的双剪切夹具及试验方法
CN105277441B (zh) 一种大尺寸长方体煤岩试样长期承载试验监测装置
CN206920243U (zh) 一种单轴压缩测试装置
CN107991176A (zh) 一种岩石三轴的拉伸试验装置及其方法
CN104914042A (zh) 高温高压水或蒸汽环境微动磨损试验机
CN204882240U (zh) 一种用于试件压剪试验的试验装置
CN107727508A (zh) 一种煤岩多场耦合监测试验装置
CN103698068B (zh) 一种静电卡盘基本性能检测装置及其检测方法
CN104749025A (zh) 一种煤岩宏-细观三轴可视压力室
CN104458243A (zh) 用于矩形盾构管片的水平试验加载装置
CN107271566A (zh) 一种声发射试验的传感器固定装置
CN108801577A (zh) 一种模拟深层隧道爆炸的试验装置
JP6049378B2 (ja) 疲労試験装置
CN206399899U (zh) 立方体试件单轴压缩声发射试验的传感器固定装置
CN204679253U (zh) 气弹簧测试装置
CN107764655A (zh) 一种可视化煤岩力学行为监测试验装置
CN206300850U (zh) 一种环向伸缩式剪切盒三向受压直剪仪
CN203657947U (zh) 一种静电卡盘基本性能检测装置
CN205374168U (zh) 一种大尺寸长方体煤岩试样长期承载试验监测装置
CN107764636A (zh) 一种长方体岩石试样常规三轴压缩试验的变形测量装置及方法
CN218036046U (zh) 一种盾构钢板刷室内压缩力学试验夹持装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18871524

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18871524

Country of ref document: EP

Kind code of ref document: A1