CN110016904B - Protection fixing device for rock-soil body pressure test pressure box - Google Patents
Protection fixing device for rock-soil body pressure test pressure box Download PDFInfo
- Publication number
- CN110016904B CN110016904B CN201910456998.9A CN201910456998A CN110016904B CN 110016904 B CN110016904 B CN 110016904B CN 201910456998 A CN201910456998 A CN 201910456998A CN 110016904 B CN110016904 B CN 110016904B
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- China
- Prior art keywords
- round steel
- screw
- steel plunger
- soil
- cylinder barrel
- 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.)
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- 239000002689 soil Substances 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 239000011435 rock Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims 6
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a protection fixing device for a rock-soil body pressure test pressure box, which comprises a round steel plunger, a round rubber pad, a cylinder barrel and a T-shaped rubber ring. The round steel plunger is inserted into the cylinder barrel; the soil pressure box is clamped between an upper circular rubber pad and a lower circular rubber pad and is placed in the cylinder barrel; the T-shaped rubber ring is used for clamping the round steel plunger and the cylinder barrel, so that the round steel plunger and the cylinder barrel have a mutual moving space under the action of pressure and are not invaded into the interior by foreign objects; the screw passes through the screw holes on the round steel plunger, the T-shaped rubber ring and the cylinder barrel, and the other end is fixed by the nut to connect the components together to form the device. The invention has the advantages that: the installation and the operation are simple; the soil pressure box is protected from being damaged by being directly contacted with soil or concrete when being buried; the problem of inaccurate measurement results caused by contact of the soil pressure box with uneven soil or tunnel surrounding rock can be solved; when the pressure test of the surrounding rock of the tunnel is performed, the soil pressure box is fixedly buried at any position in the circumferential direction of the tunnel.
Description
Technical Field
The invention relates to the technical field of rock-soil and tunnel engineering monitoring, in particular to a protection fixing device for a rock-soil body pressure test pressure box.
Background
The soil pressure box is common equipment for testing soil pressure on site, most of the current use is to adopt vibrating wire theoretical design and manufacture, has the advantages of high sensitivity, high precision, high stability and high testing speed, is suitable for long-term observation, and is often used for monitoring the soil pressure in projects such as tunnels, slopes, foundation pits, dams and the like so as to obtain the pressure in the soil and the pressure of the soil acting on a contact object. When the soil pressure box is buried and fixed, the soil pressure box is easy to damage, the measurement result is inaccurate, and the problem of inconvenient fixation exists: the concrete pressure box is easily damaged in the pouring and vibrating processes of the concrete or the concrete is sprayed on the surrounding rock of the tunnel, and the protection of the soil pressure box cannot be formed; the burying of the soil pressure box requires good contact between the stress surface and the soil body, but the soil body is often uneven, so that the soil pressure box is difficult to be in close contact with the soil body, and inaccurate measurement results are caused; in the monitoring of tunnel surrounding rock pressure, the fixing device needs to ensure that the soil pressure box can be installed at any position in the circumferential direction of the tunnel, and the existing fixing device is difficult to meet the fixing requirement of the soil pressure box on the premise of simple operation and rapid burying.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a protection fixing device for a rock-soil body pressure test pressure box, which can effectively solve the problems existing in the prior art.
In order to achieve the above object, the present invention adopts the following technical scheme:
a protection fixing device for a rock-soil body pressure test pressure box comprises a round steel plunger 6, a round rubber pad A3, a soil pressure box 4, a round rubber pad B5, a cylinder barrel 1, a T-shaped rubber ring 2, a screw 8 and a nut 18. The round steel plunger 6 is inserted into the cylinder barrel 1; the soil pressure box 4 is clamped by the round rubber pad A3 and the round rubber pad B5 and is placed in the cylinder 1;
the T-shaped rubber ring 2 is used for clamping the round steel plunger 6 and the cylinder barrel 1, ensuring that the round steel plunger 6 and the cylinder barrel 1 have a space for mutual movement under the action of pressure and are not invaded into the device by foreign objects, and protecting the soil pressure box 4 from being damaged.
The screw 8 passes through the round steel plunger 6, the T-shaped rubber ring 2 and the screw hole 9 on the cylinder barrel 1, and the other end is fixed by the nut 18 to form the device.
Further, the round steel plunger 6 is formed by welding a round steel column 16, a round steel plunger bottom plate 17 and a round steel plunger enclosure 15.
The height of the round steel column 16 is lower than that of the round steel plunger enclosure 15, and the round steel plunger enclosure 15 is used for preventing sundries such as soil body and concrete from invading the inside and protecting the soil pressure box 4 from being damaged.
The round steel plunger enclosure 15 and the round steel plunger bottom plate 17 at the corresponding position thereof are reserved with three evenly distributed through screw holes 9 along the circumferential direction for connecting and fixing the screw 8 to the device.
A square hole 12 is reserved at the position of the round steel plunger enclosure 15 corresponding to the soil pressure box 4, so that the connection of the soil pressure box wire 7 with the soil pressure box wire hole 11 from the outside after the device is assembled into a whole is ensured.
Further, the cylinder 1 is formed by welding a cylinder wall 14 and a cylinder bottom plate 13.
The cylinder bottom plate 13 is provided with three evenly distributed screw holes 9 along the circumferential outer edge, and the depth of the screw holes 9 is three fifths of the thickness of the cylinder bottom plate 13 and is used for connecting and fixing the screw 8 to the device.
And a square hole 10 is reserved at the position corresponding to the square hole 12 reserved on the cylinder barrel wall 14 and the round steel plunger enclosure 15, and the size is 10mm multiplied by 5mm, so that the connection of the soil pressure box wire 7 with the soil pressure box wire hole 11 from the outside is ensured after the device is connected into a whole.
Preferably, the thickness of the circular rubber pad A3 and the circular rubber pad B5 is 5mm, so that the uniform stress of the soil pressure box 4 is ensured.
Preferably, the T-shaped rubber ring 2 has the outer ring with the size of 10mm multiplied by 2mm thick and the inner ring with the size of 5mm multiplied by 5mm thick.
Preferably, the nut 18 is a hexagonal nut, the outer diameter is slightly larger than the radius of the screw hole 9, the inner diameter is the same as the radius of the screw 8, and the nut and the screw 8 together fix the whole device.
Preferably, nut holes 19 are reserved at positions of the cylinder bottom plate 13 corresponding to the reserved three screw holes 9, through holes are formed between the nut holes 19 and the screw holes 9, the depth of the nut holes 19 is two fifths of that of the cylinder bottom plate 13, the aperture is the same as the outer diameter of the nut 18, the nut 18 is used for being placed and hidden, and the screw 8 and the nut 18 are ensured to fix the whole device, and meanwhile, the outer part of the cylinder bottom plate 13 is flat and smooth.
Preferably, the tip portion of the screw 8 is threaded, the remainder is smooth, and the smooth portion is the device thickness minus the thickness of the nut 18, the diameter of the screw 8 being slightly smaller than the diameter of the screw hole 9. The round steel plunger 6 and the cylinder 1 can still move along the smooth screw (8) under the action of pressure after the whole device is fixed.
Preferably, the total height of the round steel plunger 6 is identical to the total height of the cylinder 1, and the T-shaped rubber ring 2 is clamped between the round steel plunger 6 and the cylinder 1, so that a space for mutual movement is provided under the action of pressure.
Compared with the prior art, the invention has the advantages that: the device is simple in installation and operation, not only can protect the soil pressure box from being damaged when buried in soil, but also can fix the soil pressure box at a preset position, and most importantly, the device can enable the stress of the soil pressure box to be uniform, and ensure the accuracy of monitoring results.
Drawings
FIG. 1 is a schematic view of the overall disassembled structure of the present invention;
FIG. 2 is a schematic view of the assembled structure of the present invention;
FIG. 3 is a schematic view of the present invention with parts broken away;
FIG. 4 is a schematic view of the assembled structure after being cut away;
FIG. 5 is a schematic view of a circular steel plunger in a disassembled configuration;
FIG. 6 is a schematic view of a circular steel plunger in a broken-away configuration;
FIG. 7 is a schematic view of a cylinder barrel with a disassembled structure;
FIG. 8 is a schematic view of a cylinder in a broken-away configuration;
FIG. 9 is a schematic structural view of a T-shaped rubber ring;
FIG. 10 is a schematic view of a T-shaped rubber ring in cross section;
FIG. 11 is a schematic view of a circular rubber pad;
FIG. 12 is a schematic view of a circular rubber pad;
FIG. 13 is a schematic view of the structure of the soil pressure box and its wires separated;
fig. 14 is a schematic view of the structure of the earth pressure cell after connection of the wires.
The accompanying drawings: 1-cylinder barrel, 2-T-shaped rubber ring, 3-round rubber ring A, 4-soil pressure box, 5-round rubber ring B, 6-round steel plunger, 7-soil pressure box wire, 8-screw, 9-screw hole, 10-square hole, 11-soil pressure box wire hole, 12-square hole, 13-cylinder barrel bottom plate, 14-cylinder barrel wall, 15-round steel plunger enclosure, 16-round steel column, 17-round steel plunger bottom plate, 18-nut and 19-nut hole.
Detailed Description
The present invention will be further described in detail with reference to the following examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1 to 4, a protection fixing device for a rock-soil body pressure test pressure box comprises a round steel plunger 6, a round rubber pad A3, a soil pressure box 4, a round rubber pad B5, a cylinder 1, a T-shaped rubber ring 2, a screw 8 and a nut 18. The round steel plunger 6 is inserted into the cylinder barrel 1; the soil pressure box 4 is clamped by the round rubber pad A3 and the round rubber pad B5 and is placed in the cylinder 1;
the T-shaped rubber ring 2 is used for clamping the round steel plunger 6 and the cylinder barrel 1, ensuring that the round steel plunger 6 and the cylinder barrel 1 have a space for mutual movement under the action of pressure and are not invaded into the device by foreign objects, and protecting the soil pressure box 4 from being damaged.
The screw 8 passes through the round steel plunger 6, the T-shaped rubber ring 2 and the screw hole 9 on the cylinder barrel 1, and the other end is fixed by the nut 18 to form the device.
As shown in fig. 5 and 6, the circular steel plunger 6 is formed by welding a circular steel column 16, a circular steel plunger bottom plate 17 and a circular steel plunger enclosure 15.
The height of the round steel column 16 is lower than that of the round steel plunger enclosure 15, and the round steel plunger enclosure 15 is mainly used for preventing sundries such as soil body and concrete from invading the inside and protecting the soil pressure box 4 from being damaged.
The round steel plunger enclosure 15 and the round steel plunger bottom plate 17 at the corresponding position thereof are reserved with three evenly distributed through screw holes 9 along the circumferential direction for connecting and fixing the screw 8 to the device.
A square hole 12 is reserved at the position of the round steel plunger enclosure 15 corresponding to the soil pressure box 4, the size is 10mm multiplied by 5mm, and the connection of the soil pressure box wire 7 and the soil pressure box wire hole 11 from the outside after the device is connected into a whole is ensured.
As shown in fig. 7 and 8, the cylinder 1 is further formed by welding a cylinder wall 14 and a cylinder bottom plate 13.
The cylinder bottom plate 13 is provided with three evenly distributed screw holes 9 along the circumferential outer edge, and the depth of the screw holes 9 is three fifths of the thickness of the cylinder bottom plate 13 and is used for connecting and fixing the screw 8 to the device.
The cylinder barrel wall 14 is provided with a square hole 10 at the position corresponding to the square hole 12 reserved on the round steel plunger enclosure 15, and the size is 10mm multiplied by 5mm, so that the connection of the soil pressure box wire 7 with the soil pressure box wire hole 11 from the outside is ensured after the device is connected into a whole, as shown in figures 13 and 14.
The thickness of the circular rubber pad A3 and the circular rubber pad B5 is 5mm, so that the stress of the soil pressure box 4 is ensured to be uniform.
As shown in fig. 9 and 10, the T-shaped rubber ring 2 has an outer ring size of 10mm x 2mm in thickness and an inner ring size of 5mm x 5mm in thickness.
The nut 18 is a hexagonal nut, the outer diameter of the nut is slightly larger than the radius of the screw hole 9, the inner diameter of the nut is the same as the radius of the screw 8, and the nut and the screw 8 are used for fixing the whole device together.
The nut holes 19 are reserved at the positions of the cylinder bottom plate 13 corresponding to the reserved three screw holes 9, through holes are formed between the nut holes 19 and the screw holes 9, the depth of the nut holes 19 is two fifths of that of the cylinder bottom plate 13, the aperture is the same as the outer diameter of the nut 18, the nut 18 is used for being placed and hidden, and the screw 8 and the nut 18 are ensured to fix the whole device, and meanwhile, the outer part of the cylinder bottom plate 13 is smooth.
The tip portion of the screw 8 is threaded, the rest is smooth, the smooth portion is the device thickness minus the thickness of the nut 18, and the diameter of the screw 8 is slightly smaller than the diameter of the screw hole 9. The round steel plunger 6 and the cylinder 1 can still move along the smooth screw (8) under the action of pressure after the whole device is fixed.
The total height of the round steel plunger 6 is consistent with that of the cylinder barrel 1, and the T-shaped rubber ring 2 is clamped between the round steel plunger 6 and the cylinder barrel 1, so that a space for mutual movement is provided under the action of pressure.
When pressure acts on the cylinder 1, the cylinder 1 is pushed, the round steel plunger 6 is forced to press the soil pressure box 4, and at this time, the pressure is transmitted to the soil pressure box 4, and the pressure reading can be read through the reading meter of the soil pressure box 4.
Those of ordinary skill in the art will appreciate that the embodiments described herein are intended to aid the reader in understanding the practice of the invention and that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (7)
1. A protection fixing device for ground body pressure test pressure cell, its characterized in that: the device comprises a round steel plunger (6), a round rubber pad A (3), a soil pressure box (4), a round rubber pad B (5), a cylinder barrel (1), a T-shaped rubber ring (2), a screw (8) and a nut (18); the round steel plunger (6) is inserted into the cylinder barrel (1); the soil pressure box (4) is clamped between the circular rubber pad A (3) and the circular rubber pad B (5) and is arranged in the cylinder barrel (1);
the T-shaped rubber ring (2) is used for clamping the round steel plunger (6) and the cylinder barrel (1), so that the round steel plunger (6) and the cylinder barrel (1) have a space for mutual movement under the action of pressure and are not invaded into the device by foreign objects, and the soil pressure box (4) is protected from being damaged;
the screw (8) passes through the round steel plunger (6), the T-shaped rubber ring (2) and the screw hole (9) on the cylinder barrel (1), and the other end is fixed by the nut (18) to form the device;
the round steel plunger (6) is formed by welding a round steel column (16), a round steel plunger bottom plate (17) and a round steel plunger enclosure (15);
the height of the round steel column (16) is lower than that of the round steel plunger enclosure (15), and the round steel plunger enclosure (15) is used for preventing sundries from invading the inside and protecting the soil pressure box (4) from being damaged;
the circular steel plunger enclosure (15) and a circular steel plunger bottom plate (17) at the corresponding position thereof are reserved with three evenly distributed through screw holes (9) along the circumferential direction for connecting and fixing the screw (8) to the device;
a square hole B (12) is reserved at the position of the round steel plunger enclosure (15) corresponding to the soil pressure box (4), so that the connection of the soil pressure box wire (7) and the soil pressure box wire hole (11) from the outside is ensured after the device is connected into a whole;
the cylinder (1) is formed by welding a cylinder wall (14) and a cylinder bottom plate (13);
three evenly distributed screw holes (9) are reserved on the cylinder bottom plate (13) along the circumferential outer edge, the depth of each screw hole (9) is three fifths of the thickness of the cylinder bottom plate (13), and the screw holes are used for connecting and fixing the device by the screws (8);
a square hole A (10) is reserved at the position corresponding to a square hole B (12) reserved on the cylinder barrel wall (14) and the round steel plunger enclosure (15), and the size is 10mm multiplied by 5mm, so that the device is connected into a whole, and then the soil pressure box wire (7) is connected with the soil pressure box wire hole (11) from the outside.
2. A protective fixture for a rock and soil body pressure testing pressure cell as claimed in claim 1, wherein: the cylinder bottom plate (13) and the reserved three screw holes (9) are reserved at the corresponding positions, nut holes (19) are reserved and form through holes with the screw holes (9), the depth of each nut hole (19) is two fifths of that of the cylinder bottom plate (13), the aperture is the same as the outer diameter of each nut (18), the nuts (18) are placed and hidden, and the screw (8) and the nuts (18) are ensured to be fixed to the whole device, and meanwhile the outside of the cylinder bottom plate (13) is smooth.
3. A protective fixture for a rock and soil body pressure testing pressure cell as claimed in claim 2, wherein: the tip end part of the screw (8) is threaded, the rest part is smooth, the smooth part is the thickness of the device minus the thickness of the nut (18), and the diameter of the screw (8) is slightly smaller than the diameter of the screw hole (9); the round steel plunger (6) and the cylinder barrel (1) can still move along the smooth screw (8) under the action of pressure after the whole device is fixed.
4. A protective fixture for a rock and soil body pressure testing pressure cell as claimed in claim 3, wherein: the total height of the round steel plunger (6) is consistent with that of the cylinder barrel (1), and the T-shaped rubber ring (2) is clamped between the round steel plunger (6) and the cylinder barrel (1), so that a space for mutual movement is provided under the action of pressure.
5. A protective fixture for a rock-soil body pressure test pressure cell according to one of claims 1 to 4, characterized in that: the thickness of the circular rubber pad A (3) and the circular rubber pad B (5) is 5mm, so that the stress of the soil pressure box (4) is ensured to be uniform.
6. A protective fixture for a rock-soil body pressure test pressure cell according to one of claims 1 to 4, characterized in that: the T-shaped rubber ring (2) has the outer ring with the size of 10mm multiplied by 2mm, and the inner ring with the size of 5mm multiplied by 5mm.
7. A protective fixture for a rock-soil body pressure test pressure cell according to one of claims 1 to 4, characterized in that: the nut (18) is a hexagonal nut, the outer diameter is slightly larger than the radius of the screw hole (9), the inner diameter is the same as the radius of the screw (8), and the nut and the screw (8) are used for fixing the whole device together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456998.9A CN110016904B (en) | 2019-05-29 | 2019-05-29 | Protection fixing device for rock-soil body pressure test pressure box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456998.9A CN110016904B (en) | 2019-05-29 | 2019-05-29 | Protection fixing device for rock-soil body pressure test pressure box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110016904A CN110016904A (en) | 2019-07-16 |
| CN110016904B true CN110016904B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910456998.9A Active CN110016904B (en) | 2019-05-29 | 2019-05-29 | Protection fixing device for rock-soil body pressure test pressure box |
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| CN (1) | CN110016904B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886280B (en) * | 2019-12-20 | 2024-05-03 | 中国矿业大学 | Frost heaving pressure box fixing device and processing method |
| CN113686474A (en) * | 2021-07-21 | 2021-11-23 | 河南省交通规划设计研究院股份有限公司 | Multifunctional heat-insulating soil pressure box fixing device and using method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085501A (en) * | 1963-03-29 | 1967-10-04 | Nat Res Dev | Earth pressure cell |
| CN101487249A (en) * | 2008-12-30 | 2009-07-22 | 中国科学院武汉岩土力学研究所 | Embedding apparatus and method for earth pressure box |
| CN203772480U (en) * | 2014-03-27 | 2014-08-13 | 西南交通大学 | Earth pressure box modulus calibration device |
| CN104372783A (en) * | 2014-10-24 | 2015-02-25 | 中铁二十四局集团有限公司 | High-sensitivity foundation pit side wall pressure testing device |
| CN204903069U (en) * | 2015-08-17 | 2015-12-23 | 青岛理工大学 | Cylindricality body hoop strain soil pressure sensor |
| CN105424273A (en) * | 2015-12-15 | 2016-03-23 | 河南工业大学 | Novel indoor earth pressure cell calibration tank |
| CN105586865A (en) * | 2016-03-09 | 2016-05-18 | 湖北省电力勘测设计院 | Earth pressure cell drilling embedding method and device |
| CN205981505U (en) * | 2016-08-05 | 2017-02-22 | 浙江工业大学 | Novel resistance strain soil pressure cell sensor |
| CN106759221A (en) * | 2016-12-27 | 2017-05-31 | 河海大学 | Erecting device and method based on the pore pressure of the rock mass underground space |
| CN207472473U (en) * | 2017-11-27 | 2018-06-08 | 山东大学 | A kind of " sandwich " formula soil pressure cell fixing device |
| RU2657550C1 (en) * | 2017-07-31 | 2018-06-14 | федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Pressure cell for measuring voltages in soils |
| CN207619965U (en) * | 2017-11-01 | 2018-07-17 | 中铁隧道集团二处有限公司 | A kind of soil pressure cell fixing device |
| CN208368455U (en) * | 2018-05-15 | 2019-01-11 | 东莞市沃格精密电器有限公司 | Tube fuse box |
| CN210216373U (en) * | 2019-05-29 | 2020-03-31 | 成都理工大学 | Protection fixing device for pressure box for rock-soil body pressure test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9546940B2 (en) * | 2015-06-03 | 2017-01-17 | Ramesh Chandra Gupta | Test device for determining three-dimensional consolidation properties of soils |
-
2019
- 2019-05-29 CN CN201910456998.9A patent/CN110016904B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085501A (en) * | 1963-03-29 | 1967-10-04 | Nat Res Dev | Earth pressure cell |
| CN101487249A (en) * | 2008-12-30 | 2009-07-22 | 中国科学院武汉岩土力学研究所 | Embedding apparatus and method for earth pressure box |
| CN203772480U (en) * | 2014-03-27 | 2014-08-13 | 西南交通大学 | Earth pressure box modulus calibration device |
| CN104372783A (en) * | 2014-10-24 | 2015-02-25 | 中铁二十四局集团有限公司 | High-sensitivity foundation pit side wall pressure testing device |
| CN204903069U (en) * | 2015-08-17 | 2015-12-23 | 青岛理工大学 | Cylindricality body hoop strain soil pressure sensor |
| CN105424273A (en) * | 2015-12-15 | 2016-03-23 | 河南工业大学 | Novel indoor earth pressure cell calibration tank |
| CN105586865A (en) * | 2016-03-09 | 2016-05-18 | 湖北省电力勘测设计院 | Earth pressure cell drilling embedding method and device |
| CN205981505U (en) * | 2016-08-05 | 2017-02-22 | 浙江工业大学 | Novel resistance strain soil pressure cell sensor |
| CN106759221A (en) * | 2016-12-27 | 2017-05-31 | 河海大学 | Erecting device and method based on the pore pressure of the rock mass underground space |
| RU2657550C1 (en) * | 2017-07-31 | 2018-06-14 | федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Pressure cell for measuring voltages in soils |
| CN207619965U (en) * | 2017-11-01 | 2018-07-17 | 中铁隧道集团二处有限公司 | A kind of soil pressure cell fixing device |
| CN207472473U (en) * | 2017-11-27 | 2018-06-08 | 山东大学 | A kind of " sandwich " formula soil pressure cell fixing device |
| CN208368455U (en) * | 2018-05-15 | 2019-01-11 | 东莞市沃格精密电器有限公司 | Tube fuse box |
| CN210216373U (en) * | 2019-05-29 | 2020-03-31 | 成都理工大学 | Protection fixing device for pressure box for rock-soil body pressure test |
Non-Patent Citations (2)
| Title |
|---|
| 土压力盒的标定;陈春红;刘素锦;王钊;;中国农村水利水电(02);全文 * |
| 薄膜压力传感器(FSR)曲面土压力测量研究;刘开源;许成顺;贾科敏;张小玲;;岩土工程学报(03);全文 * |
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| CN110016904A (en) | 2019-07-16 |
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