CN204064860U - A kind of visual rock seepage monitoring device - Google Patents
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- 238000012800 visualization Methods 0.000 description 8
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
一种可视化岩石渗流监测装置,它包括钢架，钢架包括底部钢板，钢板上固设有两门形钢筋，底部钢板中部设有带压力表油压千斤顶，千斤顶底部设有半块标准岩样模具，模具上设有圆形渗流试验岩样，渗流试验岩样由半块劈裂岩样与另外半块劈裂岩样制作的透明的模拟岩样组成，岩样外设有油性塑胶带缠裹，在其中一端用滴管滴加示踪剂红墨水，渗流试验岩样两端设有柔性接头，柔性接头一端套设在渗流试验岩样端部，另一端设有开孔，开孔连接出、入水管，入水管连接水头装置。本新型采用带压力表油压千斤顶作为渗流监测装置，使岩石渗流过程可视，且渗流压力大小可调，装置采用柔性接头，可完全与岩样吻合，避免水从接头处渗出，使岩石渗流试验更加精确。
A visual rock seepage monitoring device, which includes a steel frame, the steel frame includes a bottom steel plate, two door-shaped steel bars are fixed on the steel plate, an oil pressure jack with a pressure gauge is installed in the middle of the bottom steel plate, and half of a standard rock sample is installed at the bottom of the jack There is a circular seepage test rock sample on the mold. The seepage test rock sample is composed of half a split rock sample and a transparent simulated rock sample made by the other half split rock sample. The rock sample is wrapped with an oily plastic tape. One end of which is dripped with tracer red ink with a dropper. There are flexible joints at both ends of the seepage test rock sample. The outlet and inlet pipes are connected to the water head device. This new type uses an oil pressure jack with a pressure gauge as a seepage monitoring device, so that the rock seepage process can be visualized, and the seepage pressure can be adjusted. Seepage tests are more accurate.
Description
技术领域 technical field
本实用新型涉及岩土工程技术领域，更具体涉及一种可视化岩石渗流监测装置。 The utility model relates to the technical field of geotechnical engineering, in particular to a visual rock seepage monitoring device. the
背景技术 Background technique
现有的安全渗流监测装置能检测岩石渗流压力、渗流量及渗流量等数据，但现有的监测装置为密闭的不透明材料制作而成，未能实现岩石渗流过程的可视化，不能观察到岩石的细微观渗流过程，因此岩石渗流的可视化这一领域得到关注，可视化岩石渗流监测装置对于研究岩石渗流具有重要的意义。我们用带压力表的油压千斤顶制作的简易装置替换原有的压力室，释放可视化空间以达到可视化目的，并利用可视化模拟岩样替换原有岩样进行岩石渗流试验，在加入示踪剂后，实现不同围压状态下岩石渗流路径的可视化，从而能够由外部清晰地观察出岩石劈裂面过水断面渗流的具体路径。 The existing safety seepage monitoring device can detect rock seepage pressure, seepage flow and seepage flow data, but the existing monitoring device is made of airtight opaque material, which cannot realize the visualization of the rock seepage process and cannot observe the rock The microscopic seepage process, so the field of rock seepage visualization has attracted attention, and the visualized rock seepage monitoring device is of great significance for the study of rock seepage. We replaced the original pressure chamber with a simple device made of an oil hydraulic jack with a pressure gauge, freed up the visualization space to achieve the purpose of visualization, and used the visualized simulated rock sample to replace the original rock sample for rock seepage tests. After adding the tracer , to realize the visualization of rock seepage paths under different confining pressure states, so that the specific path of seepage in the water-passing section of the rock splitting surface can be clearly observed from the outside. the
发明内容 Contents of the invention
本实用新型所要解决的技术问题是提供一种可视化岩石渗流监测装置，利用带压力表的油压千斤顶、钢架以及柔性接头制作的装置，使岩石的渗流过程达到可视化效果。 The technical problem to be solved by the utility model is to provide a visual rock seepage monitoring device, which is made of an oil jack with a pressure gauge, a steel frame and a flexible joint, so that the seepage process of the rock can be visualized.
一种可视化岩石渗流监测装置,它包括钢架，钢架包括底部钢板，钢板上固设有两门形钢筋，底部钢板中部设有带压力表油压千斤顶，带压力表油压千斤顶底部设有半块标准岩样模具，半块标准岩样模具上设有圆形渗流试验岩样，渗流试验岩样位于所述门形钢筋下部，所述渗流试验岩样由半块劈裂岩样与另外半块劈裂岩样制作的透明的模拟岩样组成，渗流试验岩样外设有油性塑胶带缠裹严实，并在其中一端用滴管滴加示踪剂红墨水，渗流试验岩样两端设有柔性接头，柔性接头一端套设在渗流试验岩样端部，另一端设有开孔，开孔连接出、入水管，入水管连接水头装置。 A visual rock seepage monitoring device, which includes a steel frame, the steel frame includes a bottom steel plate, two door-shaped steel bars are fixed on the steel plate, an oil pressure jack with a pressure gauge is installed in the middle of the bottom steel plate, and an oil pressure jack with a pressure gauge is installed at the bottom of the oil pressure jack. Half a standard rock sample mold, a circular seepage test rock sample is arranged on the half standard rock sample mold, the seepage test rock sample is located at the lower part of the gate-shaped steel bar, and the seepage test rock sample is composed of half a split rock sample and another A transparent simulated rock sample made of half a split rock sample. The rock sample for seepage test is wrapped tightly with oil-based plastic tape, and tracer red ink is added to one end of the rock sample with a dropper. The two ends of the rock sample for seepage test A flexible joint is provided. One end of the flexible joint is sleeved on the end of the seepage test rock sample, and the other end is provided with an opening. The opening is connected to the water outlet and inlet pipes, and the water inlet pipe is connected to the water head device. the
上述的半块标准岩样模具的长度为70mm。 The length of the above half standard rock sample mold is 70mm.
上述的柔性接头上设有束带，用于紧固柔性接头与渗流试验岩样的连接。 The above-mentioned flexible joint is provided with a strap for fastening the connection between the flexible joint and the seepage test rock sample.
本实用新型有如下有益效果： The utility model has the following beneficial effects:
1.采用带压力表油压千斤顶制作的渗流监测装置，可通过调节千斤顶的压力来改变岩样劈裂面上的正应力，从而可以观察到不同压力下岩石的渗流状况； 1. The seepage monitoring device made of hydraulic jack with pressure gauge can be used to change the normal stress on the splitting surface of the rock sample by adjusting the pressure of the jack, so that the seepage status of the rock under different pressures can be observed;
2. 装置替换了原有渗流监测装置的压力室，释放可视化空间以达到可视化目的，并利用可视化模拟岩样替换原有岩样进行岩石渗流试验，在加入示踪剂后，实现不同围压状态下岩石渗流路径的可视化，从而能够由外部清晰地观察出岩石劈裂面过水断面渗流的具体路径；该过程可用高速摄影机实时记录，可实现微细观破坏过程的精确实时再现，从而可对应对岩石动力变形响应给出微细观解释； 2. The device replaces the pressure chamber of the original seepage monitoring device, releases the visualization space to achieve the purpose of visualization, and uses the visualized simulated rock sample to replace the original rock sample for rock seepage tests. After adding tracers, different confining pressure states can be realized The visualization of the seepage path of the lower rock, so that the specific path of the seepage of the rock splitting surface and the cross-section of the water can be clearly observed from the outside; The dynamic deformation response of rock gives a microscopic explanation;
3.装置采用柔性接头，并通过束带将其与岩样固定，避免水从接头处渗出，试件安装方便，止水效果好； 3. The device adopts a flexible joint, and it is fixed with the rock sample by a belt to avoid water seepage from the joint, the test piece is easy to install, and the water-stopping effect is good;
4.通过调节千斤顶的压力，改变岩石渗流过程的压力，且压力可通过压力表直接读出，操作简单； 4. By adjusting the pressure of the jack, the pressure of the rock seepage process can be changed, and the pressure can be read directly through the pressure gauge, which is easy to operate;
5.装置结构简单，便于生产，常规岩石渗流设备都在数万元以上，该设备的造价在600元左右，成本低廉； 5. The structure of the device is simple and easy to produce. Conventional rock seepage equipment costs more than tens of thousands of yuan, and the cost of this equipment is about 600 yuan, which is low in cost;
6.采用带压力表油压千斤顶制作的渗流监测装置，可使岩石渗流过程可视；装置采用带压力表油压千斤顶，可以自由控制压力；装置采用柔性接头，可以完全与岩样吻合，避免水从接头处渗出。 6. The seepage monitoring device made of hydraulic jack with pressure gauge can make the rock seepage process visible; the device adopts hydraulic jack with pressure gauge, which can control the pressure freely; the device uses flexible joints, which can completely match the rock sample, avoiding Water seeps from joints.
附图说明 Description of drawings
下面结合附图和实施例对本实用新型作进一步说明。 Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1是本实用新型的结构示意图。 Fig. 1 is a structural representation of the utility model.
具体实施方式 Detailed ways
下面结合附图对本实用新型的实施方式做进一步的说明。 Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.
参见图1，一种可视化岩石渗流监测装置,它包括钢架1，钢架包括底部钢板，钢板上固设有两门形钢筋，底部钢板中部设有带压力表油压千斤顶2，带压力表油压千斤顶底部设有半块标准岩样模具3，半块标准岩样模具上设有圆形渗流试验岩样4，渗流试验岩样位于所述门形钢筋下部，所述渗流试验岩样由半块劈裂岩样与另外半块劈裂岩样制作的透明的模拟岩样组成，渗流试验岩样外设有油性塑胶带缠裹严实，并在其中一端用滴管滴加示踪剂红墨水，渗流试验岩样两端设有柔性接头5，柔性接头一端套设在渗流试验岩样端部，另一端设有开孔，开孔连接出、入水管6、7，入水管连接水头装置8。所述的柔性接头上设有束带，用于紧固柔性接头与渗流试验岩样的连接。 See Figure 1, a visual rock seepage monitoring device, which includes a steel frame 1, the steel frame includes a bottom steel plate, two door-shaped steel bars are fixed on the steel plate, and an oil pressure jack 2 with a pressure gauge is installed in the middle of the bottom steel plate. The bottom of the hydraulic jack is provided with a half-block standard rock sample mold 3, and a circular seepage test rock sample 4 is arranged on the half-block standard rock sample mold. Half of the split rock sample is composed of a transparent simulated rock sample made of the other half of the split rock sample. The seepage test rock sample is wrapped tightly with an oily plastic tape, and tracer red is dripped at one end with a dropper. Ink, the two ends of the seepage test rock sample are provided with flexible joints 5, one end of the flexible joint is sleeved on the end of the seepage test rock sample, and the other end is provided with an opening, the opening is connected to the water outlet and inlet pipes 6 and 7, and the water inlet pipe is connected to the water head device 8. The flexible joint is provided with a strap for fastening the connection between the flexible joint and the seepage test rock sample.
在带压力表油压千斤顶顶头焊接半块标准岩样模具，长70mm，形状为弧型；制作自制钢架，将两根光圆钢筋制作成门形，然后将门形钢筋与钢板焊接，最终形成钢架；连接制作的带半块模具的千斤顶与钢架，具体方法为用502等强化粘接胶水将千斤顶底座粘接到制作的钢架上； Weld half of a standard rock sample mold on the top of the oil pressure jack with pressure gauge, the length is 70mm, and the shape is arc-shaped; make a self-made steel frame, make two smooth round steel bars into a door shape, and then weld the door-shaped steel bars and steel plates to finally form Steel frame; connect the manufactured jack with a half-piece mold and the steel frame, the specific method is to use 502 and other strengthened bonding glue to bond the jack base to the manufactured steel frame;
制作柔性接头并连接渗流水管： Make a flexible joint and connect the seepage water pipe:
a)将硅胶和固化剂按100:2的比例混合搅拌均匀，倒入一个内径60mm的圆柱体容器（最好是自制的，可以损毁掉）中； a) Mix the silica gel and curing agent in a ratio of 100:2 and stir evenly, and pour it into a cylindrical container with an inner diameter of 60mm (preferably homemade, which can be destroyed);
b)将直径50mm的有机玻璃圆柱体放入盛有硅胶混合物的容器中，保证圆柱体处于容器的正中央，且底部有一定的硅胶混合物，待硅胶固化成型之后即可得到柔性接头； b) Put a plexiglass cylinder with a diameter of 50mm into the container containing the silicone mixture, ensure that the cylinder is in the center of the container, and there is a certain amount of silicone mixture at the bottom, and the flexible joint can be obtained after the silicone is cured and formed;
c)在柔性接头底部打一个小孔，使其与水管顺利相连。 c) Make a small hole at the bottom of the flexible joint to make it smoothly connected with the water pipe.
试验检测： Test detection:
a)将半块劈裂岩样与用此劈裂岩样制作的透明的模拟岩样用油性塑胶带缠裹严实，并在其中一端用滴管滴加示踪剂红墨水； a) Wrap half of the split rock sample and the transparent simulated rock sample made of this split rock sample tightly with oil-based plastic tape, and add tracer red ink to one end with a dropper;
b)然后将其放置在千斤顶顶头上面焊接的半块模具上，使其与半块模具完全吻合； b) Then place it on the half mold welded on the top of the jack head, so that it completely matches the half mold;
c)在岩样两端安装带渗流水管的柔性接头，并用束带将其与岩样固定，装置安装成功； c) Install flexible joints with seepage water pipes at both ends of the rock sample, and fix it with the rock sample with a strap, and the device is installed successfully;
d)用千斤顶对岩样施加一定的压力，然后将入水管与水头装置连接，使入水管中产生一定水头压力的水流； d) Apply a certain pressure to the rock sample with a jack, and then connect the water inlet pipe with the water head device, so that a water flow with a certain water head pressure is generated in the water inlet pipe;
e)在红墨水的示踪下，我们可以清晰地观察到岩石的渗流过程，改变千斤顶的压力，可以观察到不同压力下岩石的渗流情况。 e) Under the trace of red ink, we can clearly observe the seepage process of the rock, change the pressure of the jack, and observe the seepage of the rock under different pressures. the
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111218A (en) * | 2014-07-24 | 2014-10-22 | 三峡大学 | Visual rock seepage monitoring device |
| CN107167411A (en) * | 2017-06-12 | 2017-09-15 | 河海大学 | Piping infiltration visible model testing device and test method in a kind of seepage liquefaction |
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2014
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111218A (en) * | 2014-07-24 | 2014-10-22 | 三峡大学 | Visual rock seepage monitoring device |
| CN107167411A (en) * | 2017-06-12 | 2017-09-15 | 河海大学 | Piping infiltration visible model testing device and test method in a kind of seepage liquefaction |
| CN107167411B (en) * | 2017-06-12 | 2019-07-12 | 河海大学 | Device and method for visual model test of seepage stress coupled with internal piping seepage |
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