CN109403409B - Foundation soil backfilling compaction device and compaction method for geological drilling - Google Patents
Foundation soil backfilling compaction device and compaction method for geological drilling Download PDFInfo
- Publication number
- CN109403409B CN109403409B CN201811457790.0A CN201811457790A CN109403409B CN 109403409 B CN109403409 B CN 109403409B CN 201811457790 A CN201811457790 A CN 201811457790A CN 109403409 B CN109403409 B CN 109403409B
- Authority
- CN
- China
- Prior art keywords
- soil
- loose
- leaf
- foundation soil
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
- E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a foundation soil backfilling compaction device and a compaction method for geological drilling, wherein the device comprises a balance weight, a soil barrel and a pipe shoe, and the top of the balance weight is connected with a rope winch through a traction wire; the inner cavity of the soil barrel is provided with a plurality of loose-leaf plates at intervals along the axial direction of the inner cavity, the hinged ends of the loose-leaf plates are hinged with the inner wall of one side of the soil barrel, and the movable ends of the loose-leaf plates are locked by a spring buckle arranged on the inner wall of the other side of the soil barrel; the bottom of the pipe boot is provided with a loose-leaf bottom plate, the hinged end of the loose-leaf bottom plate is hinged with the inner wall of one side of the bottom of the pipe boot, and the other end of the loose-leaf bottom plate is locked by a spring buckle; the spring buckle is connected with the rope winch through a lifting wire penetrating through the side wall of the soil barrel or the pipe shoe. According to the invention, the soil barrel is opened in a layered manner through the traction lifting wire, foundation soil is layered and smoothly falls on the hole bottom under the action of dead weight, foundation soil is layered and loaded and lifted to the position of the hole bottom, the foundation soil is layered and opened to fall on the hole bottom and is compacted in a layered manner, and the foundation soil for drilling is effectively backfilled and compacted.
Description
Technical Field
The invention relates to the technical field of geological investigation, in particular to a foundation soil backfilling compaction device and a compaction method for geological drilling.
Background
The diameter of the existing geological exploration drilling hole is generally 90-130 mm, and in order to ensure the original foundation property and the environment protection requirement, the drilling hole backfilling generally requires to adopt original foundation soil backfilling, and mainly comprises the following two backfilling modes: (1) The original soil is backfilled and compacted by dead weight, core soil taken out of geological drilling holes is directly thrown back into the drilled holes from the holes section by section (1-2 m sections) until the holes are filled and compacted by dead weight of soil body according to the principle of returning soil and returning sand; (2) And (3) tamping the original soil backfill drill rod, namely according to the principle of 'returning soil with sand and returning sand', directly throwing core soil taken out of geological drilling back into the drilled hole section by section (0.5-1 m section) from an orifice, tamping by throwing a full-length drill rod after throwing one section of core soil, throwing the next section of core soil after lifting and disassembling the drill rod, tamping by throwing the full-length drill rod, and reciprocating until the core soil is backfilled into the orifice.
In the technical scheme, the first backfilling mode is that the soil body clamping holes are blocked and filled incompletely to cause more holes only by the dead weight of the rock core soil to sink into the bottom of the holes, and the soil body cannot be compacted by the dead weight, so that the backfilling effect is poor; in the second backfilling mode, rock core soil is put into the hole from the hole opening and falls into the bottom of the hole, when the hole depth is slightly large, the friction of the hole wall can cause the loss of the rock core soil, the backfilling layer of the original soil and the actual in-out position are realized, the tamping of a drill rod is added, the hole and the soil body are basically eliminated, a certain compaction is realized, and the backfilling effect is good, but the work efficiency is very low because the drill rod is required to be pulled up and pulled down section by section, and the backfilling mode is difficult to implement in the field. For this reason, there is an urgent need to develop a suitable foundation soil backfill compacting device.
Disclosure of Invention
The invention aims to solve the defects of the background technology, and provides a foundation soil backfill compaction device and a foundation soil backfill compaction method for geological drilling, which can realize foundation soil backfill compaction, and have high work efficiency and good backfill effect.
The technical scheme of the invention is as follows: the foundation soil backfilling compaction device for geological drilling comprises a balance weight, a soil barrel and a pipe shoe which are sequentially connected from top to bottom, wherein the top of the balance weight is connected with a rope winch through a traction wire; the inner cavity of the soil barrel is provided with a plurality of loose-leaf plates at intervals along the axial direction of the inner cavity, the hinged ends of the loose-leaf plates are hinged with the inner wall of one side of the soil barrel, and the movable ends of the loose-leaf plates are locked by a spring buckle arranged on the inner wall of the other side of the soil barrel;
the bottom of the pipe boot is provided with a loose-leaf bottom plate, the hinged end of the loose-leaf bottom plate is hinged with the inner wall of one side of the bottom of the pipe boot, and the other end of the loose-leaf bottom plate is locked by a spring buckle arranged on the inner wall of the other side of the bottom of the pipe boot; the spring buckle is connected with the rope winch through a lifting wire penetrating through the side wall of the soil barrel or the pipe shoe.
In the technical scheme, the soil barrel is composed of two half-barrels which are opposite to each other, and the loose-leaf plates are obliquely arranged in an inner cavity formed by encircling the two half-barrels.
In the above technical scheme, the top of balancing weight is provided with the rings that are used for hanging the haulage line, the bottom inner wall of balancing weight is provided with the internal thread.
In the technical scheme, the inner wall of the top of the pipe boot is provided with the internal thread, the bottom of the pipe boot is of a bevel structure, and the loose-leaf bottom plate is obliquely arranged at the bottom of the pipe boot.
In the technical scheme, the top outer wall of the soil barrel is provided with the external thread matched with the bottom internal thread of the balance weight, and the bottom outer wall of the soil barrel is provided with the external thread matched with the top internal thread of the pipe shoe.
In the technical scheme, the soil barrel or the side wall of the pipe boot is provided with the wire passing hole for the pull wire to pass through, the fixed pulley is arranged on the outer wall of the wire passing hole, and the pull wire is wound and passes through the fixed pulley to extend upwards to be connected with the rope winch.
In the technical scheme, a pulley block is further arranged above the balance weight, and the pulley block is connected with the lifting wire in a winding manner.
In the technical scheme, the upper part of the balance weight is of a solid columnar structure, and the lower part of the balance weight is of a hollow cylindrical structure; the soil barrel and the pipe shoe are of hollow cylindrical structures; the loose-leaf plate and the loose-leaf bottom plate are of circular plate-shaped structures.
The invention also provides a compaction method of the foundation soil backfill compaction device for geological drilling, which comprises the following steps:
1) Filling foundation soil: firstly, opening a soil cylinder layer to correspondingly fill foundation core soil, and then closing the soil cylinder to lock the loose-leaf plates; then filling foundation core soil into the pipe shoe, locking the loose-leaf bottom plate, and finally sequentially connecting the balance weight, the soil barrel and the pipe shoe in a threaded manner to form a foundation soil backfilling compaction device;
2) Foundation soil backfilling compaction device hangs down: a lifting system is formed by a derrick, a pulley and a rope winch on the ground, the lifting system is used for lifting a foundation soil backfilling compaction device, an aligned geological drilling hole is quickly lifted to the bottom of the hole through a traction wire, and meanwhile, a lifting wire is also lifted down together;
3) Backfilling the bottommost foundation soil of the compacted drill hole: pulling the spring buckle at the bottommost part by the pulling wire to open the loose-leaf base plate, enabling foundation soil to fall into the hole bottom for backfilling, enabling the loose-leaf base plate to be closed by the spring buckle under the action of the counter force of the hole bottom, and compacting the first layer of foundation soil by the lifting system through the lifting operation of the pulling wire;
4) Backfilling upper foundation soil of the compacted drilling hole: the lifting wire at the bottommost part and the lifting wire at the upper layer pull the spring buckle, the loose-leaf base plate and the loose-leaf plate at the upper layer are opened, foundation soil falls into the hole bottom for backfilling, the lower lifting device enables the loose-leaf base plate to be closed by the upper-pressure spring buckle under the action of the counter force of the hole bottom, the lifting system compacts the foundation soil at the upper layer through the lifting operation of the traction wire, and the cyclic operation completes backfilling compaction of foundation soil at each layer in the soil barrel one by one.
In the above technical scheme, in the step 4), if the foundation soil backfill does not reach the top surface of the drill hole yet, lifting the foundation soil backfill compacting device to the ground through the lifting system, and circulating the steps 1) to 4) until backfill to the hole opening of the top surface of the drill hole for compaction.
Compared with the prior art, the invention has the advantages that:
firstly, the soil barrel is opened in a layered mode through the traction lifting wire, foundation soil is layered and smoothly falls to the hole bottom under the action of dead weight, foundation soil is layered and loaded and lifted to the position of the hole bottom, the soil barrel is opened in a layered mode to fall the foundation soil to the hole bottom and is layered and tamped, and therefore effective backfilling and compaction of the foundation soil of a drilled hole are achieved.
Secondly, the foundation soil backfilling compaction device can be filled with foundation soil in a layered manner, and can be directly hung to the bottom of the hole by using ropes, so that the friction loss of the hole wall is avoided, the working efficiency is high, the effect is good, the difficulties of low working efficiency and difficulty in pushing in the traditional method are solved, and the requirements of maintaining the original foundation property and environmental friendliness are met
Thirdly, the compaction method fully utilizes the high efficiency of the rope lifting system, the lifting wire has the effect of switching wires, the force transmission principle is skillfully combined, the sealing protection, close-range backfill and compaction effects of the balance weight soil cylinder are realized, the disturbance to the foundation can be reduced, the deterioration of foundation conditions is avoided, and the smooth implementation of engineering construction is promoted.
Drawings
FIG. 1 is a front cross-sectional view of a foundation soil backfill compaction device for geological drilling of the present invention in an operational state;
FIG. 2 is an enlarged schematic view of the foundation soil backfill compacting device of FIG. 1;
wherein: 1-balance weight, 2-soil barrel, 3-pipe shoe, 4-traction wire, 5-rope winch, 6-loose-leaf plate, 7-spring buckle, 8-loose-leaf base plate, 9-lifting wire, 10-hanging ring, 11-wire passing hole, 12-fixed pulley, 13-pulley block, 14-derrick and 15-pulley.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The foundation soil backfilling compaction device for geological drilling holes shown in the figures 1 and 2 comprises a counter weight 1, a soil cylinder 2 and a pipe shoe 3 which are sequentially connected from top to bottom, wherein the upper part of the counter weight 1 is of a solid columnar structure, the lower part of the counter weight 1 is of a hollow columnar structure, the height is 0.3-0.8 m, the diameter is 80-120 mm, and the diameter is matched with the diameter of the drilling holes; the soil barrel 2 is formed by two inner hollow semi-cylindrical stainless steel materials in a split mode, is matched with the bore diameter of a drilling hole, has a wall thickness of 5mm, a diameter of 80-120 mm and a height of 2-3 m, and is externally threaded at the two ends within a range of 50-100 mm. The pipe shoe 3 is of a hollow cylindrical structure, is matched with the bore diameter of a drilling hole, has the wall thickness of 5mm, the diameter of 80-120 mm and the height of 0.15-0.25 m. The top of the balance weight 1 is connected with a rope winch 5 through a traction wire 4; the inner cavity of the soil barrel 2 is provided with a plurality of loose-leaf plates 6 along the axial interval, the hinged ends of the loose-leaf plates 6 are hinged with the inner wall of one side of the soil barrel 2, the movable ends of the loose-leaf plates 6 are locked by spring buckles 7 arranged on the inner wall of the other side of the soil barrel 2, and the spring buckles 7 can adopt the existing structure.
The bottom of the pipe boot 3 is provided with a loose-leaf bottom plate 8, the loose-leaf plate 6 and the loose-leaf bottom plate 8 are of stainless steel circular plate-shaped structures, the thickness is 5mm, the diameter is slightly larger than the inner diameter of the soil barrel, the loose-leaf bottom plate is fixed in a half pipe of the split soil barrel by adopting a pin shaft, the loose-leaf bottom plate can swing around the pin shaft, the height range of the soil barrel can be 2 to a plurality of the loose-leaf bottom plates, the loose-leaf bottom plate 6 and the loose-leaf bottom plate 8 are convenient for carrying out layered backfilling compaction on foundation soil, and the general layered spacing is 0.5-1.0 m. The hinged end of the loose-leaf bottom plate 8 is hinged with the inner wall of one side of the bottom of the pipe boot 3, and the other end of the loose-leaf bottom plate 8 is locked by a spring buckle 7 arranged on the inner wall of the other side of the bottom of the pipe boot 3; the spring buckle 7 is connected with the rope winch 5 through a lifting wire 9 penetrating through the side wall of the soil barrel 2 or the pipe shoe 3.
In the above technical scheme, the soil barrel 2 is composed of two half-barrels which are opposite to each other, and the loose-leaf plate 6 is obliquely arranged in an inner cavity formed by encircling the two half-barrels. The top of the balance weight 1 is provided with a hanging ring 10 for hanging the traction wire 4, and the inner wall of the bottom of the balance weight 1 is provided with internal threads. The inner wall at the top of the pipe boot 3 is provided with an internal thread, the bottom of the pipe boot 3 is of a bevel structure, and the loose-leaf bottom plate 8 is obliquely arranged at the bottom of the pipe boot 3. The top outer wall of the soil barrel 2 is provided with external threads matched with the bottom internal threads of the balance weight 1, and the bottom outer wall of the soil barrel 2 is provided with external threads matched with the top internal threads of the pipe shoe 3. The soil barrel 2 or the side wall of the pipe boot 3 is provided with a wire passing hole 11 for a lifting wire 9 to pass through, the outer wall of the wire passing hole 11 is provided with a fixed pulley 12, and the lifting wire 9 is wound and passes through the fixed pulley 12 to extend upwards to be connected with the rope winch 5. The upper part of the balance weight 1 is also provided with a pulley block 13, the pulley block 13 is connected with the lifting wire 9 in a winding way, and the pulley block 13 can be composed of two fixed pulleys.
The compaction method of the foundation soil backfill compaction device for geological drilling comprises the following steps:
1) Filling foundation soil: the soil barrels 2 which are split are opened, foundation core soil is correspondingly filled in layers through the loose-leaf plates 6, the split soil barrels 2 are closed, the loose-leaf plates 6 in the soil barrels 2 are in a closed state, and the corresponding spring buckles 7 are in an open state under the action of spring force and are fastened to support the loose-leaf plates 6; correspondingly filling foundation core soil into the pipe shoe 3, enabling the loose-leaf bottom plate 8 of the bottom of the pipe shoe to be in a closed state, enabling the corresponding spring buckle 7 to be in an open state under the action of spring force, and fastening and supporting the loose-leaf bottom plate 8; the soil barrel 2 is integrally connected with the pipe shoe 3 through the lower end screw thread, the soil barrel is integrally connected with the balance weight 1 through the upper end screw thread to form a foundation soil backfilling compaction device, and foundation soil filling of the balance weight soil barrel is completed.
2) Foundation soil backfilling compaction device hangs down: a lifting system is formed by a derrick 14, a pulley 15 and a rope winch 5 on the ground, the foundation soil backfilling compaction device is lifted by the lifting system, the aligned geological drilling hole is quickly lifted to the bottom of the hole through a traction wire 4, and meanwhile, the lifting wire 9 is also lifted down together;
3) Backfilling the bottommost foundation soil of the compacted drill hole: the spring buckle 7 is pulled to be closed by the pull-up bottommost buckle lifting wire 9, the bottommost loose-leaf base plate 8 is opened, the bottommost foundation soil smoothly falls into the hole bottom for backfilling under the action of dead weight, the bottommost loose-leaf base plate 8 of the falling device is closed by the spring buckle 7 under the action of the counter force of the hole bottom, the spring buckle 7 is enabled to be fixed again to the bottom solid structure of the loose-leaf base plate 8, and the lifting system compacts the first foundation soil through the traction rope lifting foundation soil backfilling compaction device;
4) Backfilling upper foundation soil of the compacted drilling hole: the bottommost and upper layer lifting wires 9 are pulled up to achieve spring buckle closure, the bottommost loose-leaf base plate 8 and the upper layer loose-leaf plate 6 are opened, the upper layer foundation soil in the soil barrel smoothly falls into the hole bottom for backfilling under the action of dead weight, the bottommost loose-leaf base plate 8 of the falling device is pressed up by the counter force of the hole bottom to achieve spring buckle closure, the spring buckle is fixed again to the bottommost loose-leaf base plate to form a bottom solid structure, and the lifting system is used for lifting the foundation soil to backfill and compact the upper layer foundation soil through the traction rope lifting foundation soil backfilling and compacting device; the backfilling compaction of each layer of foundation soil in the soil barrel is completed one by one through the circulating operation; and if the foundation soil backfill does not reach the top surface of the drill hole, lifting the foundation soil backfill compacting device to the ground through a lifting system, and circulating the steps 1) to 4) until backfill reaches the hole opening of the top surface of the drill hole for compaction.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a foundation soil backfill compaction device of geology drilling which characterized in that: the device comprises a balance weight (1), a soil barrel (2) and a pipe shoe (3) which are sequentially connected from top to bottom, wherein the top of the balance weight (1) is connected with a rope winch (5) through a traction wire (4); the inner cavity of the soil barrel (2) is provided with a plurality of loose-leaf plates (6) along the axial direction at intervals, the hinged ends of the loose-leaf plates (6) are hinged with the inner wall of one side of the soil barrel (2), and the movable ends of the loose-leaf plates (6) are locked by spring buckles (7) arranged on the inner wall of the other side of the soil barrel (2);
the bottom of the pipe boot (3) is provided with a loose-leaf bottom plate (8), the hinged end of the loose-leaf bottom plate (8) is hinged with the inner wall of one side of the bottom of the pipe boot (3), and the other end of the loose-leaf bottom plate (8) is locked by a spring buckle (7) arranged on the inner wall of the other side of the bottom of the pipe boot (3); the spring buckle (7) is connected with the rope winch (5) through a lifting wire (9) penetrating through the side wall of the soil barrel (2) or the pipe shoe (3);
the soil barrel (2) is composed of two half-barrels which are opposite to each other, and the loose-leaf plate (6) is obliquely arranged in an inner cavity formed by encircling the two half-barrels; the diameter of the soil barrel (2) is 80-120 mm, and the height is 2-3 m;
the top of the balance weight (1) is provided with a hanging ring (10) for hanging a traction wire (4), and the inner wall of the bottom of the balance weight (1) is provided with an internal thread.
2. The foundation soil backfill compaction device for geological drilling of claim 1, wherein: the inner wall of the top of the pipe boot (3) is provided with an internal thread, the bottom of the pipe boot (3) is of a bevel structure, and the loose-leaf bottom plate (8) is obliquely arranged at the bottom of the pipe boot (3).
3. The foundation soil backfill compaction device for geological drilling of claim 2, wherein: the top outer wall of the soil barrel (2) is provided with external threads matched with the bottom internal threads of the balance weight (1), and the bottom outer wall of the soil barrel (2) is provided with external threads matched with the top internal threads of the pipe shoe (3).
4. The foundation soil backfill compaction device for geological drilling of claim 1, wherein: the soil barrel (2) or the side wall of the pipe boot (3) is provided with a wire passing hole (11) for the lifting wire (9) to pass through, the outer wall of the wire passing hole (11) is provided with a fixed pulley (12), and the lifting wire (9) is wound and passes through the fixed pulley (12) to extend upwards to be connected with the rope winch (5).
5. The foundation soil backfill compaction device for geological drilling of claim 1, wherein: the upper part of the balance weight (1) is also provided with a pulley block (13), and the pulley block (13) is connected with the lifting wire (9) in a winding way.
6. The foundation soil backfill compaction device for geological drilling of claim 1, wherein: the upper part of the balance weight (1) is of a solid columnar structure, and the lower part of the balance weight is of a hollow cylindrical structure; the soil barrel (2) and the pipe shoe (3) are hollow cylindrical structures; the loose-leaf plate (6) and the loose-leaf bottom plate (8) are of circular plate-shaped structures.
7. A compaction method using the foundation soil backfill compaction device for geological drilling of any one of claims 1 to 6, comprising the steps of:
1) Filling foundation soil: firstly, opening a soil cylinder (2) to be correspondingly filled with foundation core soil in a layered manner, and closing the soil cylinder to lock the loose-leaf plate (6); then, foundation core soil is filled in the pipe boot (3), the loose-leaf base plate (8) is locked, and finally, the balance weight (1), the soil barrel (2) and the pipe boot (3) are sequentially connected in a threaded mode to form a foundation soil backfilling compaction device;
2) Foundation soil backfilling compaction device hangs down: a lifting system is formed by a derrick (14), a pulley (15) and a rope winch (5) on the ground, a foundation soil backfilling compaction device is lifted by the lifting system, a geological drilling hole is aligned and quickly lifted to the bottom of the hole by a traction wire (4), and meanwhile, a lifting wire (9) is also lifted down together;
3) Backfilling the bottommost foundation soil of the compacted drill hole: pulling a lifting wire (9) at the bottommost part to pull a spring buckle (7) to open a loose-leaf base plate (8), enabling foundation soil to fall into a hole bottom for backfilling, enabling the loose-leaf base plate (8) to be closed by the action of counter force of the hole bottom to push the spring buckle (7), and compacting a first layer of foundation soil by a lifting system through lifting operation of a pulling wire (4);
4) Backfilling upper foundation soil of the compacted drilling hole: the lifting wire (9) at the bottommost part and the upper layer of lifting wire are pulled to draw the spring buckle (7), the loose-leaf base plate (8) and the loose-leaf plate (6) at the upper layer are opened, foundation soil falls into the hole bottom for backfilling, the lower lifting device enables the loose-leaf base plate (8) to be closed by the action of the hole bottom counter force on the upper spring buckle (7), the lifting system compacts the upper layer of foundation soil through the lifting operation of the traction wire (4), and the cyclic operation sequentially completes backfilling compaction of each layer of foundation soil in the soil barrel.
8. The compaction method of claim 7, wherein in step 4), if the foundation soil backfill has not reached the top surface of the borehole, lifting the foundation soil backfill compaction device to the ground by a lifting system, and cycling step 1) to step 4) until backfill reaches the top surface of the borehole for compaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457790.0A CN109403409B (en) | 2018-11-30 | 2018-11-30 | Foundation soil backfilling compaction device and compaction method for geological drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457790.0A CN109403409B (en) | 2018-11-30 | 2018-11-30 | Foundation soil backfilling compaction device and compaction method for geological drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403409A CN109403409A (en) | 2019-03-01 |
| CN109403409B true CN109403409B (en) | 2023-10-13 |
Family
ID=65456670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457790.0A Active CN109403409B (en) | 2018-11-30 | 2018-11-30 | Foundation soil backfilling compaction device and compaction method for geological drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109403409B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268648B (en) * | 2020-11-16 | 2021-07-23 | 河海大学 | Baffle box for positioning soil pressure measuring instrument in hole, positioning device and positioning method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582282A5 (en) * | 1975-02-24 | 1976-11-30 | Gysel & Meier Hoch Und Tiefbau | Progressive excavation and filling system for trenches - has inserted shoring walls with rear wall facilitating progressive filling |
| CN2555295Y (en) * | 2002-07-04 | 2003-06-11 | 杨建伟 | Hole forming machine for tamping cement soil pile |
| AR079363A1 (en) * | 2009-12-11 | 2012-01-18 | Grupo De Ingenieria Oceanica | MARINE SOIL LEVELING AND CONSOLIDATION SYSTEM |
| CN108049416A (en) * | 2017-11-28 | 2018-05-18 | 中铁四局集团第四工程有限公司 | A kind of construction method of underground pipe gallery foundation pit Cast-in-situ Piles in Sand-filling compacting |
| CN209429186U (en) * | 2018-11-30 | 2019-09-24 | 中铁第四勘察设计院集团有限公司 | A kind of foundation soil of geotechnical boring is backfilling and compacted device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9702108B2 (en) * | 2015-05-28 | 2017-07-11 | JAFEC USA, Inc. | Direct power compaction method |
-
2018
- 2018-11-30 CN CN201811457790.0A patent/CN109403409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582282A5 (en) * | 1975-02-24 | 1976-11-30 | Gysel & Meier Hoch Und Tiefbau | Progressive excavation and filling system for trenches - has inserted shoring walls with rear wall facilitating progressive filling |
| CN2555295Y (en) * | 2002-07-04 | 2003-06-11 | 杨建伟 | Hole forming machine for tamping cement soil pile |
| AR079363A1 (en) * | 2009-12-11 | 2012-01-18 | Grupo De Ingenieria Oceanica | MARINE SOIL LEVELING AND CONSOLIDATION SYSTEM |
| CN108049416A (en) * | 2017-11-28 | 2018-05-18 | 中铁四局集团第四工程有限公司 | A kind of construction method of underground pipe gallery foundation pit Cast-in-situ Piles in Sand-filling compacting |
| CN209429186U (en) * | 2018-11-30 | 2019-09-24 | 中铁第四勘察设计院集团有限公司 | A kind of foundation soil of geotechnical boring is backfilling and compacted device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109403409A (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727308B (en) | Immersed tube compaction pile or cast-in-place concrete pile construction device and method | |
| CN106193030A (en) | The prestressing force grouted anchor bar of a kind of band agnail head and construction method | |
| CN101566043A (en) | Cast-in-situ cylinder pile rotary drilling rig and piling method thereof | |
| CN109113081A (en) | Fabricated drainage prestress anti-slide pile structure and construction process thereof | |
| CN104631442B (en) | Full-sleeve fetches earth and vibrates squeezed cast-in-place pile construction method | |
| CN109403409B (en) | Foundation soil backfilling compaction device and compaction method for geological drilling | |
| CN106013042B (en) | A kind of soft soil foundation reinforcing method and the pipe of reinforcing ram | |
| CN201358457Y (en) | Piling device of dry soil-withdrawing pre-stressed reinforced concrete cylinder pile | |
| CN109056722A (en) | A kind of overall length anti-corrosion has binding type prestress anchorage cable | |
| US11773555B2 (en) | Methods and apparatuses for compacting soil and granular materials | |
| CN207739253U (en) | Slip casting structure is surveyed at hammer piling and synchronous end in band shoe pipe pile end | |
| CN207260151U (en) | Drill bit is pulled out in a kind of rotation of the long casing of rotary drilling rig pulling bored concrete pile | |
| CN108842792A (en) | A kind of layering is interior to draw anchor pole and construction method with being lifted discharging type | |
| CN209429186U (en) | A kind of foundation soil of geotechnical boring is backfilling and compacted device | |
| CN102444120A (en) | Construction method of fully-tamped multi-head pedestal bored concrete pile | |
| CN205035789U (en) | Reduce bored concrete pile negative frictional force device | |
| AU2013351554A1 (en) | Method for manufacturing a pile | |
| CN212335996U (en) | Resistance to compression resistance to plucking variable diameter steel reinforcement cage club-footed pile | |
| CN1793524A (en) | Method for construction of large head expanding combined pile | |
| CN114705126B (en) | Deep goaf optical fiber construction guiding device, process and full stratum monitoring method | |
| CN204510222U (en) | A kind of long-spiral drilling machine soil sampler | |
| CN208996033U (en) | A kind of overall length anti-corrosion has binding type prestress anchorage cable | |
| CN102359107B (en) | Stiffening pile for reclaiming reinforcing body | |
| CN201513117U (en) | Rotary drilling rig used for cast-in-site cylindrical pile | |
| CN105239575A (en) | Construction device and construction method of bored cast-in-place static pressure pipe pile with enlarged bottom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |