CN204662373U - A kind of deformation monitoring device that comes to nothing for rock - Google Patents
A kind of deformation monitoring device that comes to nothing for rock Download PDFInfo
- Publication number
- CN204662373U CN204662373U CN201520324045.4U CN201520324045U CN204662373U CN 204662373 U CN204662373 U CN 204662373U CN 201520324045 U CN201520324045 U CN 201520324045U CN 204662373 U CN204662373 U CN 204662373U
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Abstract
The utility model discloses a kind of deformation monitoring device that comes to nothing for rock, described device comprises bed course, base, joint measurement take into account wooden cover plate, described bed course is horizontally placed on rockfill, described base is arranged on bed course, and fixed by fixing anchor bar, described wooden cover plate is arranged and concrete slab bottom surface, described joint meter one end is fixed on base, the other end is fixed with concrete slab through after wooden cover plate, is also filled with backfilling material above described bed course between concrete slab.The utility model by installing joint meter between rockfill and concrete slab, and adopt backfilling material to backfill space between concrete slab and rockfill, effectively can monitor the deformation that to come to nothing between panel and rockfill in real time, Safety Evaluation Analysis is carried out for loose rock dam to obtain valid data, this monitoring device installation process is simple, monitoring equipment accuracy, good endurance, can be widely used in the deformation monitoring that comes to nothing between rock panel and rockfill.
Description
Technical field
The utility model relates to a kind of deformation monitoring device that comes to nothing for rock, belongs to the safety monitoring field of Hydraulic and Hydro-Power Engineering building, is specially adapted to the deformation monitoring that comes to nothing between rock panel and rockfill.
Background technology
In concrete face rockfill dam engineering, panel is as impervious body, and its distortion and fragmentation situation, is directly connected to the safety of rock.Because panel bed is on rockfill, because of rockfill sedimentation, can produce between panel and rockfill and come to nothing.Carry out effective monitoring in real time to the situation of coming to nothing, the safety on counter plate dam is extremely important.
Such as, publication number is that the Chinese patent of CN203270628U discloses a kind of raft foundation bottom soil body void deformation monitoring device, comprise the steel plate being positioned at raft plate lower horizontal and arranging, described steel plate bottom surface is provided with the anchor pole in the foundation soil be anchored in by steel plate below raft plate, steel plate end face is fixed with the inner side reinforcing bar vertically arranged, the raft slab pipe of the vertical setting together with being cast in raft slab integral is arranged with outside the reinforcing bar of described inner side, the external diameter of inner side reinforcing bar is less than raft slab bore, the outside pillar be fixed in embankment is arranged with outside described raft slab pipe, the external diameter of raft slab pipe is less than outside pillar internal diameter.This technical scheme has convenient test, certainty of measurement is high, applicability is good feature.But owing to adopting steel pipe protection, be only applicable to the distortion of unidirectional vertical direction; Under Dam manually fills non-horizontal base case, when there is non-vertical deformation, steel pipe and inner joint meter are easy to be damaged; Adopt steel pipe protection, inadaptable have regimen condition for a long time simultaneously; In Dam filling body, being positioned at for a long time under water, easily there is corrosion and destruction in steel pipe.
Utility model content
For solving the problem, the utility model provides a kind of deformation monitoring device that comes to nothing for rock.Effectively can monitor the deformation that to come to nothing between panel and rockfill in real time, carry out Safety Evaluation Analysis to obtain valid data for loose rock dam.
The utility model is achieved by following technical solution.
A kind of deformation monitoring device that comes to nothing for rock, comprise bed course, base, joint measurement take into account wooden cover plate, described bed course is horizontally placed on rockfill, described base is arranged on bed course, and fixed by fixing anchor bar, institute's wooden cover plate is arranged and concrete slab bottom surface, and described joint meter one end is fixed on base, the other end is fixed with concrete slab through after wooden cover plate, is also filled with backfilling material above described bed course between concrete slab.
Described bed course is graded broken stone, and thickness is 20 ~ 30cm.
Described base is billet, and thickness is 1cm.
The diameter of described fixing anchor bar is 20mm, length 1.5m.
Described fixing anchor bar is at least 3, and in fan-shaped distribution, rockfill is inserted in one end, and the other end and base are welded to connect.
Described backfilling material is fine sand or flyash, and fills up the cavity between concrete slab and rockfill.
Described wooden cover plate is pitch Chinese fir board, and thickness is 10mm.
The beneficial effects of the utility model are:
Compared with prior art, the utility model by installing joint meter between rockfill and concrete slab, and adopt backfilling material to backfill space between concrete slab and rockfill, effectively can monitor the deformation that to come to nothing between panel and rockfill in real time, Safety Evaluation Analysis is carried out for loose rock dam to obtain valid data, this monitoring device installation process is simple, and monitoring equipment accuracy, good endurance, can be widely used in the deformation monitoring that comes to nothing between rock panel and rockfill.The utility model can adapt to the artificial filling body of various material, the various gradient; Multi-direction distortion can be measured simultaneously; Adopt Use of Flexible Protective Materials, adaptive deformation ability is stronger, and can adapt to there is regimen condition for a long time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A place structure for amplifying schematic diagram of figure.
In figure: 1-bed course, 2-base, 3-fixing anchor bar, 4-joint meter, 5-backfilling material, 6-wooden cover plate, 7-concrete slab, 8-rockfill.
Detailed description of the invention
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1 and Figure 2, a kind of deformation monitoring device that comes to nothing for rock described in the utility model, comprise bed course 1, base 2, joint meter 4 and wooden cover plate 6, described bed course 1 is horizontally placed on rockfill 8, described base 2 is arranged on bed course 1, and fixed by fixing anchor bar 3, institute's wooden cover plate 6 is arranged and concrete slab 7 bottom surface, described joint meter 4 one end is fixed on base 2, the other end, through fixing with concrete slab 7 after wooden cover plate 6, is also filled with backfilling material 5 above described bed course 1 between concrete slab 7.In the technical program, joint meter 4 is conventional joint meter, can install unidirectional or multidirectional as required.
Described bed course 1 is graded broken stone, and thickness is 20 ~ 30cm.Should suitably tamp when reality paving fills out construction.
Described base 2 is billet, and thickness is 1cm.Its shape is circular or square.
The diameter of described fixing anchor bar 3 is 20mm, length 1.5m.
Described fixing anchor bar 3 is at least 3, and in fan-shaped distribution, rockfill 8 is inserted in one end, and the other end and base 2 are welded to connect.
Described backfilling material 5 is fine sand or flyash, and fills up the cavity between concrete slab 7 and rockfill 8.
Described wooden cover plate 6 is pitch Chinese fir board, and thickness is 10mm.
Further illustrate mounting method of the present utility model below in conjunction with accompanying drawing 1, its concrete grammar step is as follows:
(1), draw mounting groove: slotting on rockfill 8, bottom land is wide is 0.5 ~ 1.5m, in actual applications, preferentially selects 1.5m, and right side Slope is than being 1:0.5 ~ 1:1.0;
(2), paving fills out bed course: on the bottom land described in step (1), backfilling thickness is the granular cushion of 20 ~ 30cm, and does compacting process;
(3), mounting seat: assigned address installs billet base on the granular cushion described in step (2);
(4), joint meter is installed: fixing joint meter 4 is installed on the billet base described in step (3), and adopts backfilling material 5 pairs of mounting grooves to backfill;
(5), wooden cover plate is installed: Plane Installation wooden cover plate 6 on the backfilling material 5 described in step (4), and punch on wooden cover plate 6, the other end of joint meter 4 is bored a hole and mistake, be fixed on the reinforcing bar of concrete slab 7, and the position of installing joint meter 4 is marked, joint meter 4 can not be destroyed during to guarantee that the later stage builds panel concrete.
The method of installing billet base in described step (3) first inserts fixing anchor bar 3, then weldable steel backing plate base on fixing anchor bar 3.
In described step (4), the bottom surface of the domatic and concrete slab 7 of backfilling material 5 is consistent.
Claims (7)
1. the deformation monitoring device that comes to nothing for rock, it is characterized in that: comprise bed course (1), base (2), joint meter (4) and wooden cover plate (6), described bed course (1) is horizontally placed on rockfill (8), described base (2) is arranged on bed course (1), and fixed by fixing anchor bar (3), institute's wooden cover plate (6) is arranged and concrete slab (7) bottom surface, described joint meter (4) one end is fixed on base (2), the other end is fixed with concrete slab (7) afterwards through wooden cover plate (6), described bed course (1) top is positioned between concrete slab (7) and is also filled with backfilling material (5).
2. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, it is characterized in that: described bed course (1) is graded broken stone, and thickness is 20 ~ 30cm.
3. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, it is characterized in that: described base (2) is billet, and thickness is 1cm.
4. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, is characterized in that: the diameter of described fixing anchor bar (3) is 20mm, length 1.5m.
5. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, it is characterized in that: described fixing anchor bar (3) is at least 3, and in fan-shaped distribution, rockfill (8) is inserted in one end, and the other end and base (2) are welded to connect.
6. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, is characterized in that: described backfilling material (5) is fine sand or flyash.
7. a kind of deformation monitoring device that comes to nothing for rock according to claim 1, is characterized in that: described wooden cover plate (6) is pitch Chinese fir board, and thickness is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324045.4U CN204662373U (en) | 2015-05-19 | 2015-05-19 | A kind of deformation monitoring device that comes to nothing for rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324045.4U CN204662373U (en) | 2015-05-19 | 2015-05-19 | A kind of deformation monitoring device that comes to nothing for rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204662373U true CN204662373U (en) | 2015-09-23 |
Family
ID=54132774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324045.4U Expired - Fee Related CN204662373U (en) | 2015-05-19 | 2015-05-19 | A kind of deformation monitoring device that comes to nothing for rock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204662373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988884A (en) * | 2015-05-19 | 2015-10-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Concrete faced rock-fill dam void deformation monitoring device and installation method thereof |
| CN110285785A (en) * | 2019-07-22 | 2019-09-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of face-plate of rockfill dam deflection monitoring device |
-
2015
- 2015-05-19 CN CN201520324045.4U patent/CN204662373U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988884A (en) * | 2015-05-19 | 2015-10-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Concrete faced rock-fill dam void deformation monitoring device and installation method thereof |
| CN110285785A (en) * | 2019-07-22 | 2019-09-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of face-plate of rockfill dam deflection monitoring device |
| CN110285785B (en) * | 2019-07-22 | 2024-03-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Rock-fill dam panel deflection monitoring devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20180519 |