CN115075101B - Variable compression device for controlling road elevation and construction method thereof - Google Patents
Variable compression device for controlling road elevation and construction method thereof Download PDFInfo
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- CN115075101B CN115075101B CN202210678128.8A CN202210678128A CN115075101B CN 115075101 B CN115075101 B CN 115075101B CN 202210678128 A CN202210678128 A CN 202210678128A CN 115075101 B CN115075101 B CN 115075101B
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- 230000006835 compression Effects 0.000 title claims abstract description 42
- 238000007906 compression Methods 0.000 title claims abstract description 42
- 239000000523 sample Substances 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 30
- 238000005056 compaction Methods 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention provides a variable compression device for controlling road elevation and a construction method thereof, wherein the variable compression device comprises a cylindrical sleeve with adjustable height, a probe axially sliding along the sleeve and arranged at the top of the sleeve, a spring connected to the bottom end of the probe, and a fixing plate for limiting the probe through a clamping plate on the probe; the clamping plate is in threaded connection with the probe, and the probe can realize separation between the clamping plate and the fixed plate through autorotation. The invention solves the problems that the measuring instrument is required to be frequently used for measuring the pavement structure layer and the arranged fixed piles cannot be repeatedly used in the prior art, and has the effect of improving the accuracy of the road elevation and the construction efficiency in road construction.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to a variable compression device for controlling road elevation and a construction method thereof.
Background
Along with the development of national infrastructure, the construction requirements of highway engineering are increasingly standardized and standardized, and roadbed is taken as an important component of highway construction, and the filling and compacting quality is particularly important; the road bed is not firm and stable, so that a firm road surface is not available, and the quality of the road bed is directly related to the quality of the whole highway engineering and the safe running of vehicles. Therefore, effectively controlling the road subgrade filling and rolling quality in the construction process is an important task for road construction personnel. Because the pavement is built up one by one from the foundation, the compactness of the bottom layer can be transferred up layer by layer, if the compactness of each structure layer of the roadbed is mastered from bottom to top from the roadbed, and the construction quality of the pavement can be ensured by controlling the construction process.
The existing roadbed filling is mainly or mechanically assisted with manual work for the control method of loose paving thickness and compaction thickness, before construction, a professional measuring staff measures each section and layer in the current construction, the machine starts to operate, the expected target can be achieved only by uninterrupted measurement in the process, the whole process needs the cooperation of technical measuring staff and workers, and the phenomenon of mechanical shackles and waiting work exists. If the road is longer and the line production is carried out in a segmented and parallel manner, more technicians, workers and machines are required to be equipped to meet the site requirement of filling and compacting regulations of each layer of road, so that the construction efficiency is lower.
Chinese patent CN202110217231.3 discloses a method for positioning elevation control points of a plant road, by arranging fixing piles on both sides of a road to be constructed and arranging mark lines on the fixing piles, and controlling the road reason elevation in the construction process by controlling the distance between a base layer and the mark lines.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a variable compression device for controlling a road high layer and a construction method thereof, which solve the problems that a measuring instrument is required to be frequently used for measuring a road surface structural layer and a fixed pile arranged in the prior art cannot be repeatedly used.
According to the embodiment of the invention, the variable compression device for controlling the road elevation comprises a cylindrical sleeve with adjustable height, a probe axially sliding along the sleeve and arranged at the top of the sleeve, a spring connected to the bottom end of the probe, and a fixing plate for limiting the probe through a clamping plate on the probe; the clamping plate is in threaded connection with the probe, and the probe can realize separation between the clamping plate and the fixed plate through autorotation.
Preferably, the clamping plate and the fixing plate are both provided with inclined ends, and the inclined ends of the fixing plate are bent downwards when being pressed downwards by the inclined ends of the clamping plate, and when the clamping plate is located below the fixing plate, the inclined ends of the clamping plate are attached to the inclined ends of the fixing plate.
Preferably, the included angle between the inclined end of the clamping plate and the horizontal plane is larger than the included angle between the inclined end of the fixing plate and the horizontal plane.
Preferably, the fixing plates are distributed along the axis of the sleeve.
Preferably, the bottom end of the sleeve is supported by bolts.
Preferably, a handle is arranged at the top of the sleeve.
Preferably, the circumferential surface of the probe is provided with scales from top to bottom.
A construction method for controlling the elevation of a road comprises the following steps: step one: the method comprises the steps of testing materials used for construction before the construction, determining the maximum dry density and compaction coefficient of the materials used for the construction, and further determining the optimal loose pavement thickness and the optimal compaction thickness; step two: pile laying, namely, filling a pavement structural layer to form a half-width construction as a benchmark, discharging the position of a road side pile at a road boundary, implanting the road side pile, uniformly placing a compression device along a road after the ground is trimmed by a bulldozer and a strickling machine, setting the optimal loose thickness and the optimal compaction thickness according to experimental results, wherein the optimal loose thickness is equal to the height of the top end of a probe, the optimal compaction thickness is equal to the height of the top end of a sleeve, and then fixing the compression device: step three: backfilling, namely backfilling construction, wherein the thickness of the backfill cannot exceed the optimal loose thickness, namely the height of the probe, arranged on the compression device, so that the measurement times are reduced; step four: compacting, shaping and rolling by the road roller, and determining a compacting thickness change value according to the change between the road surface and the probe scale in the construction process until the road surface is equal to the sleeve; step five: taking out the compression device from the road surface, and finally detecting the compactness of the road surface structural layer of the hole formed after the compression device is taken out; step six, a step of performing a step of; and (3) backfilling and compacting the second layer and later of the pavement structure layer, and repeating the steps one to five until the pavement structure layer construction is completed.
Preferably, in the process of taking out the part in the fifth step, the compression device is slowly lifted and rotates along with the slow lifting, and after the compression device is taken out, the hole formed on the road surface is sealed and protected, and the test is waited for the test staff to test.
Preferably, the layer solidity detection for the pavement structure is achieved by a sand casting method.
Compared with the prior art, the invention has the following beneficial effects:
1. through the compression device with variable height, the backfill soil volume required by the structural layer can be rapidly calculated, the effective earthwork allocation is carried out, the measurement conversion calculation work is reduced, and the measurement time is saved.
2. Compared with a measuring tool with scales, the sleeve and the probe of the compression device can be directly observed to obtain data intuitively and accurately, the accuracy of the loose paving thickness and the compaction thickness of backfill soil is ensured, and the engineering quality of roadbed construction is ensured.
3. The device can be fixed at the same position for a long time for observation and measurement without repeated test.
4. In the construction site of mechanical cross operation such as dregs car, road roller, strickling machine, use this compression device can more audio-visual survey construction condition, reduced the risk of mechanical injury accident.
5. The compression device is reusable and is capable of handling loose and compacted layers of different thickness by adjusting the heights of the sleeve and probe.
6. After the compression device is taken out, the compactness of the pavement structure surface can be detected, and the efficiency of detection work is improved.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of section A-A of fig. 1.
FIG. 3 shows a stacking step of the construction process according to an embodiment of the present invention.
Fig. 4 shows a paving step of the construction process according to an embodiment of the present invention.
Fig. 5 shows a finishing step of the construction process according to the embodiment of the present invention.
Fig. 6 illustrates a compaction step during construction in an embodiment of the invention.
In the above figures: 1. a sleeve; 2. a probe; 3. a clamping plate; 4. a fixing plate; 5. a spring; 6. and (5) a handle.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, to improve the versatility of the compression device, the precision of loosening and compaction is conveniently and accurately read by construction personnel. The invention provides a variable compression device for controlling road elevation, which comprises a cylindrical sleeve 1 with adjustable height, a probe 2 axially sliding along the sleeve 1 and arranged at the top of the sleeve 1, a spring 5 connected to the bottom end of the probe 2, and a fixing plate 4 for limiting the probe 2 through a clamping plate 3 on the probe 2; the clamping plate 3 is connected to the probe 2 in a threaded manner, and the probe 2 can realize separation between the clamping plate 3 and the fixed plate 4 through autorotation.
The height of the sleeve 1 is set to be the thickness of a compaction layer, the height of the top end of the probe 2 is set to be the thickness of a loose layer by adjusting the position of the clamping plate 3 on the probe 2, the height of the loose layer can be adjusted according to the height difference between the probe 2 and the top surface of the loose layer in the process of backfilling earthwork, and the construction accuracy is improved.
In the compaction process, the probe 2 can be pressed down in step, after the road surface structural layer reaches the height of the compaction layer of settlement, the probe 2 is pressed into in the sleeve 1 completely this moment to realize the fixed to the probe 2 through fixed plate 4 cooperation cardboard 3, make the height of probe 2 change along with the construction progress, in the compaction process, can avoid bulldozer and strickle to cause the damage to probe 2, improved telescoping device's life.
The handle 6 is arranged on the top surface of the sleeve 1, so that the portable electric heating device is convenient to carry.
As shown in fig. 2, to achieve the fixation of the probe 2. The clamping plate 3 and the fixing plate 4 are respectively provided with an inclined end, the inclined ends of the fixing plate 4 are downwards bent when being downwards extruded by the inclined ends of the clamping plate 3, and when the clamping plate 3 is positioned below the fixing plate 4, the inclined ends of the clamping plate 3 are attached to the inclined ends of the fixing plate 4. In the downward movement process of the clamping plate 3 along with the probe 2, the inclined end of the clamping plate 3 presses down the inclined end of the fixing plate 4, so that the inclined end of the fixing plate 4 is bent downward, the clamping plate 3 can move to the lower side of the fixing plate 4, after the downward acting force of the probe 2 is lost, the spring 5 jacks up the probe 2 upward, at the moment, the inclined end of the clamping plate 3 is attached to the inclined end of the fixing plate 4, in this state, the movable end of the fixing plate 4 is difficult to bend upward, limiting of the clamping plate 3 is achieved, and fixing of the probe 2 is achieved.
As shown in fig. 2, to facilitate the movement of the card 3 below the fixed plate 4. The included angle between the inclined end of the clamping plate 3 and the horizontal plane is larger than the included angle between the inclined end of the fixing plate 4 and the horizontal plane. The clamping plate 3 can be contacted with the movable end of the inclined end of the fixed plate 4 through the inclined end of the clamping plate, so that the inclined end of the fixed plate 4 is more easily bent downwards, and meanwhile, the inclined end of the clamping plate 3 can conveniently pass through the fixed plate 4; when the spring 5 lifts the probe 2 upwards, the inclined end of the clamping plate 3 deforms, and still the adhesion between the inclined end of the clamping plate 3 and the inclined end of the fixing plate 4 can be realized, so that the probe 2 is fixed.
As shown in fig. 2-6, the compaction process needs to be performed stepwise, so that the probe 2 needs to be moved down stepwise and fixed after each movement, and thus a plurality of fixing plates 4 need to be provided. The fixing plates 4 are distributed along the axis of the sleeve 1.
As shown in fig. 1-2, to facilitate adjustment of the height of the sleeve 1. The bottom end of the sleeve 1 is supported by bolts. The purpose of adjusting the height of the sleeve 1 is achieved by rotating the bolts, and the adjusting process is simple; the bolts can be arranged in three and are uniformly distributed around the axis of the sleeve 1; the conical protrusions are arranged at the bottom ends of the bolts, so that the sleeve 1 can be stably fixed.
As shown in fig. 1-2, to facilitate the carrying of the sleeve by the personnel. The top of the sleeve 1 is provided with a handle 6. A greater number of compression devices are required during construction.
In a preferred embodiment of the present invention, graduations are provided on the circumferential surface of the probe 2 in the upward and downward directions. After knowing the height of the sleeve 1, the length of the probe 2 extending out of the sleeve 1 can be obtained according to the reading displayed by the probe 2, and then whether the height of the top end of the probe 2 is equal to the thickness of the loose layer is compared, so that the process of measuring the height of the probe 2 is simplified.
A construction method for controlling the elevation of a road comprises the following steps: step one: the method comprises the steps of testing materials used for construction before the construction, determining the maximum dry density and compaction coefficient of the materials used for the construction, and further determining the optimal loose pavement thickness and the optimal compaction thickness; step two: and (3) pile distribution, namely, taking half-width construction of pavement structure layer filling as a benchmark, paying out the position of a road side pile at the road boundary, implanting the road side pile, placing a compression device for each hundred square meters after the ground is trimmed by a bulldozer and a strickling machine, setting the optimal loose thickness and the optimal compaction thickness according to experimental results, wherein the optimal loose thickness is equal to the height of the top end of the probe 2, the optimal compaction thickness is equal to the height of the top end of the sleeve 1, and then fixing the compression device: step three: backfilling, namely backfilling construction, wherein the thickness of the backfill cannot exceed the optimal loose thickness arranged on the compression device, namely the height of the probe 2, so that the measurement times are reduced; step four: compacting, shaping and rolling by the road roller, and determining a compacting thickness change value according to the change between the road surface and the scale of the probe 2 in the construction process until the road surface is equal to the sleeve 1 in height; step five: taking out the compression device from the road surface, and finally detecting the compactness of the road surface structural layer of the hole formed after the compression device is taken out; step six, a step of performing a step of; and (3) backfilling and compacting the second layer and later of the pavement structure layer, and repeating the steps one to five until the pavement structure layer construction is completed.
As a preferred embodiment of the present invention. And in the fifth step, the compression device is slowly lifted and slowly rotated, and the hole formed on the road surface is sealed and protected after the compression device is taken out, so that a tester waits for the test. In order to ensure the accuracy of the compaction degree detection, when the compression device is taken out, the disturbance to the land around the compression device needs to be reduced, and meanwhile, the hole is sealed, so that external soil or dust is prevented from entering the hole, and the detection result is prevented from being influenced.
As a preferred embodiment of the present invention. The detection of the layer solidity of the pavement structure is realized by a sand filling method. The sand filling method is used as a common compactness detection method, and after the compression device is removed, a hole for detection with a known volume can be obtained according to the height and the outer diameter of the compression device, and the compactness is detected by the sand filling method.
Claims (8)
1. The construction method for controlling the road elevation is characterized by adopting a variable compression device, wherein the variable compression device comprises a cylindrical sleeve (1) with adjustable height, a probe (2) axially sliding along the sleeve (1) and arranged at the top of the sleeve (1), a spring (5) connected to the bottom end of the probe (2) and a fixing plate (4) for limiting the probe (2) through a clamping plate (3) on the probe (2); the clamping plate (3) is connected to the probe (2) in a threaded manner, and the probe (2) can realize separation between the clamping plate (3) and the fixing plate (4) through autorotation;
the method comprises the following steps:
step one: the method comprises the steps of testing materials used for construction before the construction, determining the maximum dry density and compaction coefficient of the materials used for the construction, and further determining the optimal loose pavement thickness and the optimal compaction thickness;
step two: pile laying, namely, taking half-width construction of pavement structure layer filling as a benchmark, discharging the position of a road side pile at the road boundary, implanting the road side pile, uniformly placing a variable compression device along the road after the ground is trimmed by a bulldozer and a strickling machine, setting the optimal loose thickness and the optimal compaction thickness according to experimental results, wherein the optimal loose thickness is equal to the height of the top end of a probe (2), the optimal compaction thickness is equal to the height of the top end of a sleeve (1), and then fixing the variable compression device;
step three: backfilling, namely backfilling construction, wherein the thickness of the backfill cannot exceed the optimal loose paving thickness arranged on the variable compression device, namely the height of the probe (2), so that the measuring times are reduced;
step four: compacting, shaping and rolling by the road roller, and determining a compacting thickness change value according to the change between the road surface and the scale of the probe (2) in the construction process until the road surface is equal to the sleeve (1);
step five: taking out the variable compression device from the road surface, and finally detecting the compactness of the road surface structural layer of the hole formed after the variable compression device is taken out;
step six, a step of performing a step of; and (3) backfilling and compacting the second layer and later of the pavement structure layer, and repeating the steps one to five until the pavement structure layer construction is completed.
2. A construction method for controlling road elevation according to claim 1, wherein: the clamping plate (3) and the fixing plate (4) are both provided with inclined ends, and the inclined ends of the fixing plate (4) are downwards bent when being downwards extruded by the inclined ends of the clamping plate (3), and when the clamping plate (3) is located below the fixing plate (4), the inclined ends of the clamping plate (3) are attached to the inclined ends of the fixing plate (4).
3. A construction method for controlling road elevation according to claim 2, wherein: the included angle between the inclined end of the clamping plate (3) and the horizontal plane is larger than the included angle between the inclined end of the fixing plate (4) and the horizontal plane.
4. A construction method for controlling road elevation according to any one of claims 1 to 3, wherein: the fixing plates (4) are distributed along the axis of the sleeve (1).
5. A construction method for controlling road elevation according to claim 1, wherein: the bottom end of the sleeve (1) is supported by bolts.
6. A construction method for controlling road elevation according to claim 1, wherein: the top of the sleeve (1) is provided with a handle (6).
7. A construction method for controlling road elevation according to claim 1, wherein: the peripheral surface of the probe (2) is provided with scales from top to bottom.
8. A construction method for controlling road elevation according to claim 1, wherein: and in the process of taking the workpiece in the fifth step, slowly lifting and slowly rotating the variable compression device, taking out the variable compression device, and then sealing and protecting holes formed on the road surface, and waiting for test staff to test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678128.8A CN115075101B (en) | 2022-06-16 | 2022-06-16 | Variable compression device for controlling road elevation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678128.8A CN115075101B (en) | 2022-06-16 | 2022-06-16 | Variable compression device for controlling road elevation and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115075101A CN115075101A (en) | 2022-09-20 |
| CN115075101B true CN115075101B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210678128.8A Active CN115075101B (en) | 2022-06-16 | 2022-06-16 | Variable compression device for controlling road elevation and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078220A (en) * | 2007-06-19 | 2007-11-28 | 中国科学院武汉岩土力学研究所 | Soft soil roadbed settlement monitoring method and device |
| CN207797947U (en) * | 2018-02-06 | 2018-08-31 | 孙倡立 | A kind of sediment thickness measuring instrument |
| CN212025856U (en) * | 2020-03-21 | 2020-11-27 | 山西省交通建设工程质量检测中心（有限公司） | Pavement thickness detection device |
| CN112779841A (en) * | 2021-01-05 | 2021-05-11 | 中国十七冶集团有限公司 | Novel roadbed pavement loose paving thickness detection device |
| CN112982051A (en) * | 2021-02-20 | 2021-06-18 | 温俊魁 | Roadbed suitable for karst landform and construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7731450B2 (en) * | 2006-09-07 | 2010-06-08 | Caterpillar Inc. | Method of operating a compactor machine via path planning based on compaction state data and mapping information |
-
2022
- 2022-06-16 CN CN202210678128.8A patent/CN115075101B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078220A (en) * | 2007-06-19 | 2007-11-28 | 中国科学院武汉岩土力学研究所 | Soft soil roadbed settlement monitoring method and device |
| CN207797947U (en) * | 2018-02-06 | 2018-08-31 | 孙倡立 | A kind of sediment thickness measuring instrument |
| CN212025856U (en) * | 2020-03-21 | 2020-11-27 | 山西省交通建设工程质量检测中心（有限公司） | Pavement thickness detection device |
| CN112779841A (en) * | 2021-01-05 | 2021-05-11 | 中国十七冶集团有限公司 | Novel roadbed pavement loose paving thickness detection device |
| CN112982051A (en) * | 2021-02-20 | 2021-06-18 | 温俊魁 | Roadbed suitable for karst landform and construction method |
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| Publication number | Publication date |
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| CN115075101A (en) | 2022-09-20 |
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