CN214333757U - Novel highway subgrade settlement observation device - Google Patents
Novel highway subgrade settlement observation device Download PDFInfo
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- CN214333757U CN214333757U CN202120285947.7U CN202120285947U CN214333757U CN 214333757 U CN214333757 U CN 214333757U CN 202120285947 U CN202120285947 U CN 202120285947U CN 214333757 U CN214333757 U CN 214333757U
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Abstract
The utility model discloses a novel highway subgrade settlement observation device, it includes: the surface of the settlement plate is provided with bolt holes; one end of the sedimentation pipe is connected with the sedimentation plate, the sedimentation pipe is of a multi-section telescopic structure, and the outer diameter of the sedimentation pipe is gradually reduced from one end to the other end; and the cap is connected with the other end of the sedimentation pipe and used for preventing foreign matters from entering the sedimentation pipe. The problem of current road bed settlement observation device not enough, strengthened subsiding the board and being connected with ground, improved the measurement accuracy who subsides, also solved conventional device and need walk around the subside pipe when construction and roll and the construction inconvenience that causes is solved.
Description
Technical Field
The utility model discloses be applied to highway subgrade and subside the observation field, specifically be a novel highway subgrade subsides observation device.
Background
In the road engineering construction, the compactness of the roadbed is very important, if the compactness of the roadbed is not enough, the phenomena of cracking, sinking and the like of the road surface are caused by the settlement of the roadbed after the construction, so that the damage to the highway is caused, and therefore, the design of the excellent highway roadbed settlement observation device is very necessary. The settling pipe can be obviously exposed in the construction process so as to be better matched with a leveling instrument to measure the elevation. And the subgrade settlement observation plate is required to be firmly connected with the settlement pipe, otherwise, the measured settlement data is inaccurate, and therefore, all parts of the subgrade settlement observation device are required to be stable and do not incline or displace in the construction process.
The existing roadbed settlement observation method mainly adopts a field burying mode, namely, firstly, a settlement observation plate is placed on a roadbed and is connected with a first section of steel pipe through bolts, then, a first layer of soil filling is carried out, compaction is carried out on a road roller, then, the first section of steel pipe is connected with a second section of steel pipe, a second layer of soil filling is carried out, compaction is carried out on the road roller again, the steps are repeated continuously until a target compaction height is reached, and a level gauge is matched at any time in the middle to measure a target depth settlement value. The defects of the on-site buried roadbed settlement observation method are mainly shown as follows: the burying position of the settlement plate is easy to move, and the burying position may be deviated or twisted in the compaction process of the road roller; the construction of the road roller is inconvenient, the site is usually arranged by quincuncial piles for accurate measuring points, and the construction process is very inconvenient in order to avoid touching a convex sedimentation pipe in the compaction process of the road roller; the measurement result is inaccurate, and the vertical direction of the settling tube cannot be completely ensured in the upward extending process; the disassembly is inconvenient; therefore, it is necessary to design a roadbed settlement observation device which can be stretched as required and can be directly rolled by a road roller.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a novel highway subgrade settlement observation device.
In order to solve the technical problem, the utility model discloses a novel highway subgrade settlement observation device, it includes:
the surface of the settlement plate is provided with bolt holes;
one end of the sedimentation pipe is connected with the sedimentation plate, the sedimentation pipe is of a multi-section telescopic structure, and the outer diameter of the sedimentation pipe is gradually reduced from one end to the other end;
and the cap is connected with the other end of the sedimentation pipe and used for preventing foreign matters from entering the sedimentation pipe.
As a possible implementation mode, further, the cover cap is in threaded connection with the sedimentation pipe, a reflective rope is connected to the cover cap, and the surface of the reflective rope is covered with a layer of reflective material.
As a possible embodiment, further, the settling tube is of a five-section telescopic structure, and the outer diameter of one end of each section is 40mm, 36mm, 32mm, 28mm and 24mm in sequence; the outer diameter of the other end of each section is 36mm, 32mm, 28mm, 24mm and 20mm in sequence; and the length of each section of the settling tube is 50cm, and the wall thickness is 2 mm.
As a possible implementation manner, further, the settling plate is square, the thickness of the settling plate is 5mm, and the number of the bolt holes is 4, and the settling plate is symmetrically arranged at four corners of the settling plate.
As a possible implementation mode, one end of the settling tube is welded with the settling plate, and four triangular stiffening steel plates are welded around the welding position of the settling tube and the settling plate.
As a possible implementation mode, furthermore, the outer wall of the settling tube is marked with scale marks.
The utility model adopts the above technical scheme, following beneficial effect has:
(1) the utility model discloses subside bottom of the tube portion and the prefabricated welding of settlement plate increase joint strength between them, and four triangle stiffening steel sheets of symmetry welding between subside bottom of the tube portion and the settlement plate to strengthen subside bottom of the tube portion intensity, prevent that the compaction in-process from taking place to buckle.
(2) The utility model discloses subside four angular symmetry of board and respectively open a bolt hole, can cooperate and squeeze into expansion bolts, with its and ground firm connection, arouse because of the road roller compaction subsides version skew or twist reverse during the prevention construction.
(3) The utility model discloses every section sedimentation pipe is thick gradually-changing section of going up thin down, utilizes the fishing rod principle can realize auto-lock and freely stretch out and draw back, and height and road roller roll the process freely flexible along with filling out soil, both can the location monitoring point, can make things convenient for the road roller construction again.
(4) The utility model discloses the top of the upper segment sedimentation pipe is connected with the block, prevents to fill out soil or the compaction in-process soil body and gets into hollow sedimentation pipe influence measurement accuracy, is connected with reflection of light rope on the block to utilize reflection of light rope to find the sedimentation pipe top fast after the compaction is accomplished, carry out the drawing on next step, also help the construction of fixing a position night.
(5) The utility model discloses the subsider outer wall is marked with the scale mark, and the height of subsiding is estimated according to the scale to the convenience, improves measurement accuracy.
The utility model discloses a not enough of current road bed settlement observation device is solved to above scheme, has strengthened subsiding the board and has been connected with ground, has improved the measurement accuracy who subsides, has also solved conventional device and has need walk around the subsider pipe and roll and the inconvenient problem of construction that causes when the construction.
Drawings
The present invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic view of the overall installation of the present invention;
FIG. 2 is a schematic view of the settling tube of the present invention;
FIG. 3 is a schematic structural view of the cap and the reflective rope of the present invention;
fig. 4 is the schematic view of the split structure of the settling leg of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention.
As shown in fig. 1-4, the utility model provides a novel highway subgrade settlement observation device, it includes:
the surface of the settlement plate 5 is provided with a bolt hole 4; the device is mainly used as a base to be connected with a roadbed settlement measuring device, so that the device is prevented from inclining in the compaction process.
The sedimentation pipe 3 is connected with the sedimentation plate 5 at one end, the sedimentation pipe 3 is of a multi-section telescopic structure, and the outer diameter of the sedimentation pipe 3 gradually decreases from one end to the other end; each settling tube 3 is a gradually-changed section with a thick lower part and a thin upper part, self-locking and free expansion can be realized by utilizing the fishing rod principle, the self-locking and free expansion can be realized along with the soil filling height and the rolling process of the road roller, monitoring points can be positioned, the construction of the road roller can be facilitated, the adjacent settling tubes 3 are mutually sleeved, the outer diameter of the larger end of the adjacent settling tube 3 with the smaller overall outer diameter is not smaller than that of the smaller end of the settling tube 3 with the larger overall outer diameter, so that the settling tubes 3 of the two adjacent sections can be clamped and self-locked by utilizing the friction force between the inner wall and the outer wall after being stretched; further, the settling tube 3 is of a five-section telescopic structure, and the outer diameter of one end of each section is 40mm, 36mm, 32mm, 28mm and 24mm in sequence; the outer diameter of the other end of each section is 36mm, 32mm, 28mm, 24mm and 20mm in sequence; and the length of each section of the settling tube 3 is 50cm, and the wall thickness is 2 mm. Every section of settling leg 3 is the thickness down of gradual change and goes up thin, but section cutting ferrule, is similar to the fishing rod, and a steel pipe upper end topmost has the internal thread so that be connected with the block, and the steel pipe surface has apparent scale to distribute, and the difference value is subsided in the predictable, and the cooperation level appearance can improve measurement accuracy.
And the cap 2 is connected with the other end of the sedimentation pipe 3 and used for preventing foreign matters from entering the sedimentation pipe 3. The lower end of the cap 2 is in threaded connection with the upper end of a settling pipe consisting of a steel pipe, so that backfill materials are prevented from entering the settling pipe and are used as media for connecting the reflective rope and the settling pipe. And the influence of the soil body entering the hollow settling tube on the measurement precision in the soil filling or compacting process is prevented. Furthermore, the cap 2 is in threaded connection with the settling pipe 3, the cap 2 is connected with the reflective rope 1, and the surface of the reflective rope 1 is covered with a layer of reflective material to facilitate finding the position of a monitoring point under the irradiation of light. The cap 2 is connected with a reflective rope, so that the top end of the settling pipe 3 can be quickly found by using the reflective rope 1 after compaction is completed, the next step of stretching is carried out, and night positioning construction is facilitated.
As a possible implementation manner, the settlement plate 5 is square, the thickness of the settlement plate is 5mm, the number of the bolt holes 4 is 4, the bolt holes are symmetrically arranged at four corners of the settlement plate 5, and expansion bolts 6 are driven to firmly connect the settlement plate with the foundation so as to prevent the settlement plate from shifting or twisting caused by compaction of the road roller during construction. The expansion screws 6 are distributed at four corners of the settlement plate, and the measuring device is fixed on the bottom surface of the roadbed.
As a possible implementation, furthermore, one end of the settling tube 3 is welded with the settling plate 5, and the bottom of the settling tube 3 is welded with the settling plate 5 in a factory prefabrication mode, so that the connection strength of the two can be increased. And four triangular stiffening steel plates 7 are welded around the welding position of the settling pipe 3 and the settling plate 5. So as to strengthen the bottom strength of the settling pipe 3 and prevent the bottom from bending in the compaction process. The stiffening steel plate 7 is totally four, and the symmetry welding is between sedimentation pipe and settlement plate, prevents at the compaction in-process, and the sedimentation pipe bottom receives too big power and takes place to buckle and even fracture for consolidate the road bed and subside measuring device.
As a possible embodiment, furthermore, the outer wall of the settling tube 3 is marked with graduation marks (as shown in fig. 2). The settlement height can be estimated conveniently according to the scales, and the measurement precision is improved.
The installation steps in the using process of the device are as follows:
(1) the roadbed to be compacted is selected with proper monitoring points, the roadbed needs to be leveled when the monitoring points are in a mess, and expansion bolts are driven into the reserved holes of the reserved bolt holes 4 on the settlement plate 5 on the ground so as to firmly fix the device on the ground.
(2) The cap 2 of the reflective rope 1 is connected with the top of the settling tube 3 through screw threads and is screwed tightly.
(3) The sedimentation pipe 3 is stretched to a certain height through the reflective rope 1, the first layer of soil filling is carried out, the scales on the outer wall of the sedimentation pipe 3 are read out, and the elevation is measured by a leveling instrument.
(4) And (5) after the top end of the settling pipe 3 is compressed to the soil filling height, the road roller performs normal rolling construction.
(5) Find the block 2 through reflection of light rope 1 after rolling the completion, stretch to certain height through reflection of light rope 1 with sedimentation pipe 3 once more, carry out elevation measurement to sedimentation pipe 3.
(6) And (5) filling the second layer of soil, compressing the settling pipe 3 to be level with the filled soil again, and rolling the second layer by the road roller.
(7) And (5) filling soil in multiple layers, and repeating the steps.
(8) Compacting to all layers as required, and performing data arrangement and settlement height checking after the compaction is completed.
The above embodiments are the embodiments of the present invention, and for those skilled in the art, according to the teaching of the present invention, the equivalent changes, modifications, replacements and variations made by the claims of the present invention should all belong to the scope of the present invention without departing from the principle and spirit of the present invention.
Claims (6)
1. The utility model provides a novel highway subgrade settlement observation device which characterized in that: it includes:
the surface of the settlement plate is provided with bolt holes;
one end of the sedimentation pipe is connected with the sedimentation plate, the sedimentation pipe is of a multi-section telescopic structure, and the outer diameter of the sedimentation pipe is gradually reduced from one end to the other end;
and the cap is connected with the other end of the sedimentation pipe and used for preventing foreign matters from entering the sedimentation pipe.
2. The novel highway subgrade settlement observation device of claim 1, which is characterized in that: the cover cap is in threaded connection with the settling pipe, the cover cap is connected with a reflective rope, and a layer of reflective material is covered on the surface of the reflective rope.
3. The novel highway subgrade settlement observation device of claim 1, which is characterized in that: the settling pipe is of a five-section telescopic structure, and the outer diameter of one end of each section is 40mm, 36mm, 32mm, 28mm and 24mm in sequence; the outer diameter of the other end of each section is 36mm, 32mm, 28mm, 24mm and 20mm in sequence; and the length of each section of the settling tube is 50cm, and the wall thickness is 2 mm.
4. The novel highway subgrade settlement observation device of claim 1, which is characterized in that: the settlement plate is square, the thickness of the settlement plate is 5mm, the number of the bolt holes is 4, and the bolt holes are symmetrically arranged at four corners of the settlement plate.
5. The novel highway subgrade settlement observation device of claim 1, which is characterized in that: one end of the settling tube is welded with the settling plate, and four triangular stiffening steel plates are welded at the welding position of the settling tube and the settling plate in a surrounding mode.
6. The novel highway subgrade settlement observation device of claim 1, which is characterized in that: the outer wall of the settling tube is marked with scale marks.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285947.7U CN214333757U (en) | 2021-02-01 | 2021-02-01 | Novel highway subgrade settlement observation device |
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| CN202120285947.7U CN214333757U (en) | 2021-02-01 | 2021-02-01 | Novel highway subgrade settlement observation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183738A (en) * | 2022-07-07 | 2022-10-14 | 中航勘察设计研究院有限公司 | Vertical displacement monitoring method for deep-buried soil foundation |
| WO2024074720A1 (en) * | 2022-10-07 | 2024-04-11 | Deltaiot B.V. | Reusable settlement plate system |
-
2021
- 2021-02-01 CN CN202120285947.7U patent/CN214333757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183738A (en) * | 2022-07-07 | 2022-10-14 | 中航勘察设计研究院有限公司 | Vertical displacement monitoring method for deep-buried soil foundation |
| WO2024074720A1 (en) * | 2022-10-07 | 2024-04-11 | Deltaiot B.V. | Reusable settlement plate system |
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