CN112227337A - Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method - Google Patents
Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method Download PDFInfo
- Publication number
- CN112227337A CN112227337A CN202011162018.3A CN202011162018A CN112227337A CN 112227337 A CN112227337 A CN 112227337A CN 202011162018 A CN202011162018 A CN 202011162018A CN 112227337 A CN112227337 A CN 112227337A
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- tamping
- asphalt concrete
- plate
- mounting plate
- arc
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 7
- 239000004567 concrete Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a device for tamping and leveling an asphalt concrete cushion between pile foundations of a soft soil ground and a construction method, wherein the device comprises a pair of guide rails, a portal frame is movably matched on the guide rails, a hoist crane is movably arranged on a cross beam of the portal frame, a vertical frame is hung on a hook of the hoist crane, the bottom end of the vertical frame is fixedly connected with a mounting plate, a vibrator is arranged on the top surface of the mounting plate and provided with a counterweight mounting position, a tamping plate is detachably attached to the bottom surface of the mounting plate, and the mounting plate is in a rectangular shape with an arc-shaped notch on the side edge; the tamping plate has at least two shapes, one is a rectangle with an arc-shaped notch on the side edge, and is completely coincided with the mounting plate after being mounted, and the other is a rectangle, and is completely coincided with the mounting plate and the arc-shaped notch after being mounted. The invention can be tamped and can be vibrated to be compacted, has good construction effect, and is tamped smoothly without dead angles.
Description
Technical Field
The invention belongs to the field of engineering construction, in particular to a device for tamping and leveling an asphalt concrete cushion layer between pile foundations of a soft soil ground and a construction method,
background
In the underground engineering construction of soft soil foundations in coastal cities and the like, the construction of the asphalt concrete cushion layer between pile foundations under complex geological conditions needs to be completed, so that the underground engineering foundation is prevented from being corroded and leaking water, and the compactness and the flatness of the asphalt concrete cushion layer between the pile foundations are particularly ensured. The existing large-scale equipment such as a paver, a road roller and the like can not be tamped and leveled due to the existence of the pile foundation.
Disclosure of Invention
The invention aims to provide a device and a construction method for tamping and leveling an asphalt concrete cushion layer between pile foundations of a soft land, which can be used for tamping and dynamic compaction, have good construction effect and are free of dead angles during tamping and leveling.
The technical scheme adopted by the invention is as follows:
a ramming and leveling device for an asphalt concrete cushion layer between soft soil pile foundations comprises a pair of guide rails, wherein a portal frame is movably matched on the guide rails, a hoist crane is movably arranged on a cross beam of the portal frame, a vertical frame is hung on a hook of the hoist crane, the bottom end of the vertical frame is fixedly connected with a mounting plate, a vibrator is arranged on the top surface of the mounting plate, a counterweight block mounting position is arranged on the top surface of the mounting plate, a ramming plate is detachably attached to the bottom surface of the mounting plate, and the mounting plate is rectangular with arc-shaped notches on the side edges; the tamping plate has at least two shapes, one is a rectangle with an arc-shaped notch on the side edge, and is completely coincided with the mounting plate after being mounted, and the other is a rectangle, and is completely coincided with the mounting plate and the arc-shaped notch after being mounted.
Furthermore, for the rectangular tamping plate with the arc-shaped notch on the side edge, the arc-shaped notch is 120 degrees, and the radius of the arc-shaped notch is equal to the radius of the pile foundation plus a certain margin.
Furthermore, the stand adopts a rectangular frame, the mounting plates are symmetrically connected and fixed at the bottom end of the stand, the vibrator is positioned in the center of the inside of the stand, and the counterweight block mounting positions are positioned outside the stand and are symmetrical relative to the stand.
Further, the hoist crane is in sliding fit with the H-shaped steel on the cross beam.
Further, the mounting plate and the tamping plate are connected through bolts.
Further, the mounting plate and the tamping plate are made of steel plates.
A construction method for tamping and leveling an asphalt concrete cushion layer between pile foundations of a soft soil ground is characterized in that according to the underground water condition, a plurality of deep wells are constructed to reduce water so that no water is accumulated in a foundation pit, the water level is observed, and open ditches are arranged for draining water; supporting the foundation pit slope, excavating earth, breaking pile heads and paving a crushed stone layer; if a damp foundation with soft soil foundation exists, arranging a square grid blind ditch filled with sea sand or gravel reinforcing belt, connecting the square grid blind ditch with a water collecting well, paving non-woven fabrics and mixed curing materials on the square grid blind ditch, and paving a gravel layer to ensure that the foundation is relatively dry; then paving the asphalt concrete mixture according to the requirement, and virtually paving the asphalt concrete mixture to a certain thickness; installing the device for tamping and leveling the asphalt concrete cushion between the soft soil pile foundations as claimed in any one of claims 1 to 6, and carrying out lapping, tamping and leveling for a plurality of times until the tamping and leveling reach the standard.
The invention has the beneficial effects that:
the during operation, can tamp the asphalt concrete bed course through the kinetic energy of grudging post, the mounting panel, the ram board and the vibrator whereabouts, can pass through the vibrator again, the effect of mounting panel and ram board is compacted the asphalt concrete vibrations, can add the balancing weight according to actual effect moreover, guarantee the construction effect, whole device can the all-plane removal, the ram board of rectangle is used for between the pile foundation and the construction of place edge, the ram board of the rectangle that the side has the arc breach is used for the pile foundation to be under construction all around, tamp and level no dead angle.
Drawings
FIG. 1 is a schematic structural diagram of an asphalt concrete cushion ramming and leveling device between soft ground pile foundations in the embodiment of the invention.
FIG. 2 is a schematic view of the mounting of the hanging point stand, mounting plate, tamper plate, and vibrator of an embodiment of the present invention.
Figure 3 is a tamper plate in an embodiment of the present invention.
Fig. 4-is another tamper panel in an embodiment of the invention.
In the figure: 1-a guide rail; 2-a gantry; 3-a cross beam; 4-H section steel; 5-hoisting a gourd; 6-hooking; 7-erecting a frame; 8-mounting a plate; 9-a vibrator; 10-compacting the plate; 11-a counterweight block; 12-bolt.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 to 4, the device for tamping and leveling the asphalt concrete cushion between the pile foundations of the soft soil comprises a pair of guide rails 1, a gantry 2 is movably matched on the guide rails 1, a hoist crane 5 is movably arranged on a cross beam 3 of the gantry 2, a vertical frame 7 is hung on a hook 6 of the hoist crane 5, the bottom end of the vertical frame 7 is fixedly connected with a mounting plate 8, a vibrator 9 is arranged on the top surface of the mounting plate 8 and is provided with a mounting position of a counterweight 11, a tamping plate 10 is detachably attached to the bottom surface of the mounting plate, and the mounting plate 8 is in a rectangular shape with an arc-shaped notch on the side edge; the tamping plate 10 has at least two shapes, one is a rectangle with an arc-shaped notch on the side edge, and is completely superposed with the mounting plate 8 after being installed, and the other is a rectangle, and is completely superposed with the mounting plate 8 and the arc-shaped notch after being installed. During operation, can be through grudging post 7, mounting panel 8, the kinetic energy of tamping plate 10 and the whereabouts of vibrator 9 tamps the asphalt concrete bed course, can pass through vibrator 9 again, the effect of mounting panel 8 and tamping plate 10 is compacted the asphalt concrete vibrations, and can add balancing weight 11 according to actual effect, guarantee the construction effect, whole device can the full plane removal, the tamping plate 10 of rectangle is used for between the pile foundation and the construction of place edge, the tamping plate 10 of rectangle that the side has the arc breach is used for the pile foundation to be under construction all around, tamp and level and not have the dead angle.
As shown in fig. 1 and 2, in the present embodiment, the vertical frame 7 is a rectangular frame, the mounting plate 8 is symmetrically connected and fixed at the bottom end of the vertical frame 7, the vibrator 9 is located at the inner center of the vertical frame 7, and the counterweight 11 is mounted and located outside the vertical frame 7 and is symmetrical with respect to the vertical frame 7, so that the vertical frame 7, the mounting plate 8 and the tamping plate 10 are not excessively inclined when suspended.
In this embodiment, as shown in fig. 1, the hoist crane 5 is slidably engaged with the H-section steel 4 on the cross beam 3.
As shown in fig. 2, in the present embodiment, the mounting plate 8 and the tamper plate 10 are connected by bolts 12.
As shown in fig. 2 and 3, in this embodiment, for the rectangular tamping plate 10 with the arc-shaped notch at the side edge, the arc-shaped notch is 120 °, the radius of the arc-shaped notch is equal to the radius of the pile foundation plus a certain margin, and the margin is set according to the diameter of the pile foundation, so as to avoid collision.
In the present embodiment, the mounting plate 8 and the tamping plate 10 are made of steel plates; the radius of the pile foundation is 400mm, the allowance is 70mm, the radius of the arc-shaped gap is equal to 470mm, the thickness of the mounting plate 8 and the tamping plate 10 is 20-30mm, the length of the mounting plate 8 and the tamping plate 10 is 1200mm, the width of the mounting plate is 715mm, and the total height of the vertical frame 7, the mounting plate 8 and the tamping plate 10 is 1050 mm.
A construction method for tamping and leveling an asphalt concrete cushion layer between pile foundations of a soft soil ground is characterized in that according to the underground water condition, a plurality of deep wells are constructed to reduce water so that no water is accumulated in a foundation pit, the water level is observed, and open ditches are arranged for draining water; supporting the foundation pit slope, excavating earth, breaking pile heads and paving a crushed stone layer; if a damp foundation with soft soil foundation exists, arranging a 2-3m square grid blind ditch (300mm wide and 400-600 mm deep) filled with sea sand or gravel reinforcing belt, connecting the reinforcing belt with a water collecting well, paving non-woven fabrics and mixed curing materials on the reinforcing belt, and paving a gravel layer to ensure that the foundation is relatively dry; then paving the asphalt concrete mixture according to the requirement, and virtually paving the asphalt concrete mixture to a certain thickness; the asphalt concrete cushion layer tamping and leveling device between the soft soil pile foundations is installed, and a plurality of times of lapping, tamping and leveling are carried out until the asphalt concrete cushion layer tamping and leveling reaches the standard.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a device is leveled in tamp of bituminous concrete bed course between soft soil ground pile foundation which characterized in that: the device comprises a pair of guide rails, wherein a door-shaped frame is movably matched on the guide rails, a hoist crane is movably arranged on a cross beam of the door-shaped frame, a vertical frame is hung on a hook of the hoist crane, the bottom end of the vertical frame is fixedly connected with an installation plate, a vibrator is arranged on the top surface of the installation plate, a counterweight block installation position is arranged on the top surface of the installation plate, a tamping plate is detachably attached to the bottom surface of the installation plate, and the installation plate is rectangular with an arc-shaped notch; the tamping plate has at least two shapes, one is a rectangle with an arc-shaped notch on the side edge, and is completely coincided with the mounting plate after being mounted, and the other is a rectangle, and is completely coincided with the mounting plate and the arc-shaped notch after being mounted.
2. The device for ramming and flattening the asphalt concrete cushion between the bases of the soft soil piles according to claim 1, characterized in that: for the rectangular tamping plate with the arc-shaped notch on the side edge, the arc-shaped notch is 120 degrees, and the radius of the arc-shaped notch is equal to the radius of the pile foundation plus a certain margin.
3. The device for ramming and flattening the asphalt concrete cushion between the bases of the soft soil piles according to claim 1, characterized in that: the grudging post adopts rectangular frame, and the connection of mounting panel symmetry is fixed in the grudging post bottom, and the vibrator is located the inside center of grudging post, and the balancing weight installation position is located the outside of grudging post and is symmetrical about the grudging post.
4. The device for ramming and flattening the asphalt concrete cushion between the bases of the soft soil piles according to claim 1, characterized in that: the hoist crane is in sliding fit with the H-shaped steel on the cross beam.
5. The device for ramming and flattening the asphalt concrete cushion between the bases of the soft soil piles according to claim 1, characterized in that: the mounting plate and the tamping plate are connected through a bolt.
6. The device for ramming and flattening the asphalt concrete cushion between the bases of the soft soil piles according to claim 1, characterized in that: the mounting plate and the tamping plate are made of steel plates.
7. A construction method for tamping and leveling an asphalt concrete cushion layer between pile foundations of a soft soil ground is characterized by comprising the following steps of: according to the underground water condition, constructing a plurality of deep wells for dewatering to ensure that no water is accumulated in the foundation pit, observing the water level and arranging open ditches for drainage; supporting the foundation pit slope, excavating earth, breaking pile heads and paving a crushed stone layer; if a damp foundation with soft soil foundation exists, arranging a square grid blind ditch filled with sea sand or gravel reinforcing belt, connecting the square grid blind ditch with a water collecting well, paving non-woven fabrics and mixed curing materials on the square grid blind ditch, and paving a gravel layer to ensure that the foundation is relatively dry; then paving the asphalt concrete mixture according to the requirement, and virtually paving the asphalt concrete mixture to a certain thickness; installing the device for tamping and leveling the asphalt concrete cushion between the soft soil pile foundations as claimed in any one of claims 1 to 6, and carrying out lapping, tamping and leveling for a plurality of times until the tamping and leveling reach the standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162018.3A CN112227337A (en) | 2020-10-27 | 2020-10-27 | Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162018.3A CN112227337A (en) | 2020-10-27 | 2020-10-27 | Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112227337A true CN112227337A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162018.3A Pending CN112227337A (en) | 2020-10-27 | 2020-10-27 | Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112227337A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605352A (en) * | 2021-07-28 | 2021-11-05 | 依玥彤 | Building site levels device with high-efficient intelligence of ground |
| CN114164817A (en) * | 2021-12-20 | 2022-03-11 | 北京天恒建设集团有限公司 | Tamping equipment and process for backfill soil of foundation outer wall of building foundation pit |
| CN115045328A (en) * | 2022-06-24 | 2022-09-13 | 福建全顺计量检测有限公司 | Foundation construction method for gantry type installation for weighing apparatus calibration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519871A (en) * | 2009-04-02 | 2009-09-02 | 赵万松 | Single-phase hanging tamping machine |
| CN208649826U (en) * | 2018-06-29 | 2019-03-26 | 中建水务环保有限公司 | The pervious asphalt road of Collapsible Loess District |
| CN109610431A (en) * | 2019-01-21 | 2019-04-12 | 滁州职业技术学院 | A kind of rammer for straight section of low-grade highway |
| CN210712805U (en) * | 2019-06-27 | 2020-06-09 | 中交四公局建筑工程有限公司 | A backfill compaction structure around a well |
-
2020
- 2020-10-27 CN CN202011162018.3A patent/CN112227337A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519871A (en) * | 2009-04-02 | 2009-09-02 | 赵万松 | Single-phase hanging tamping machine |
| CN208649826U (en) * | 2018-06-29 | 2019-03-26 | 中建水务环保有限公司 | The pervious asphalt road of Collapsible Loess District |
| CN109610431A (en) * | 2019-01-21 | 2019-04-12 | 滁州职业技术学院 | A kind of rammer for straight section of low-grade highway |
| CN210712805U (en) * | 2019-06-27 | 2020-06-09 | 中交四公局建筑工程有限公司 | A backfill compaction structure around a well |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605352A (en) * | 2021-07-28 | 2021-11-05 | 依玥彤 | Building site levels device with high-efficient intelligence of ground |
| CN114164817A (en) * | 2021-12-20 | 2022-03-11 | 北京天恒建设集团有限公司 | Tamping equipment and process for backfill soil of foundation outer wall of building foundation pit |
| CN115045328A (en) * | 2022-06-24 | 2022-09-13 | 福建全顺计量检测有限公司 | Foundation construction method for gantry type installation for weighing apparatus calibration |
| CN115045328B (en) * | 2022-06-24 | 2024-05-14 | 福建弘隽计量检测有限公司 | Foundation construction method for portal frame type installation for weighing apparatus verification |
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Application publication date: 20210115 |
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