CN112962627A - Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof - Google Patents
Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof Download PDFInfo
- Publication number
- CN112962627A CN112962627A CN202110437192.2A CN202110437192A CN112962627A CN 112962627 A CN112962627 A CN 112962627A CN 202110437192 A CN202110437192 A CN 202110437192A CN 112962627 A CN112962627 A CN 112962627A
- Authority
- CN
- China
- Prior art keywords
- drill rod
- plate wall
- pile
- scraper
- soil
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000004568 cement Substances 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 53
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 238000005507 spraying Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a construction method for digging and expanding a water plugging support pile plate wall, which adopts a special drilling machine, wherein a plate wall scraper is arranged on a spiral drill rod by the special drilling machine, the plate wall scraper automatically extends out when the drill rod is lifted, the position of a connecting plate wall between a support pile and a water plugging pile is scraped into a wider groove loose soil layer, cement slurry is sprayed through a nozzle below the plate wall scraper to wash and collapse the side wall soil layer of a groove, the soil layer is infiltrated and softened by water in the cement slurry and is loosened, and the cement soil is stirred and mixed by the high-pressure cement slurry to tightly connect the water plugging pile and the support pile together by using a wide and thick cement soil plate wall to form the water plugging support pile plate wall. The construction method for digging, expanding and plugging the water-blocking supporting pile plate wall has the advantages of small power requirement, convenient construction and high speed.
Description
Technical Field
The invention belongs to the field of construction of water plugging support pile plate walls, and particularly relates to a construction method for digging and expanding a groove of a connecting plate wall.
Background
Due to the needs of economic construction development, high-rise buildings and super high-rise buildings in various parts of China are abundant, the density of the high-rise buildings is increased, a large number of deep foundation pit projects are generated, and the scale and the depth are continuously increased. In order to meet the excavation requirement of deep foundation pit engineering, a water blocking supporting structure is generally designed to support a waterproof retaining wall, and the current commonly used supporting water blocking retaining wall comprises an underground continuous wall, a jet grouting pile water blocking wall and the like, wherein the underground continuous wall is high in manufacturing cost and polluted, the jet grouting pile water blocking wall is difficult to jet in a hard soil layer, and the construction speed is low.
The existing water-plugging and pile-protecting sheet wall construction supporting waterproof retaining wall has the advantages of high construction speed, low manufacturing cost, no pollution and the like, but when the wall board is subjected to fixed spraying on a harder soil layer, the high-pressure cement slurry fixed spraying jet can only cut the thinner and shallower soil layer, and the manufactured cement soil rib plate is thinner and cannot meet the water and soil pressure between the piles of the deep foundation pit.
Therefore, in order to solve the above problems, it is urgently needed to improve the existing water blocking support pile plate wall and the construction method and equipment thereof.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method for digging, expanding and plugging a water supporting pile plate wall.
The invention aims to solve another technical problem of providing a special drilling machine for digging, expanding and plugging the water to support the pile plate wall.
The invention discloses a construction method for digging, expanding and blocking water to support a pile plate wall, which comprises the following steps:
1) drilling to a designed depth by using a special drilling machine for the water plugging pile, and automatically extending out a plate wall scraper arranged at the lower end part of the upper section of the drill rod when the spiral hollow drill rod is lifted;
2) adjusting the direction of a plate wall scraper to align the plate wall scraper to the center of an upper plate wall of the support pile, spraying cement paste through a cement paste nozzle arranged at the lower part of the plate wall scraper when the spiral hollow drill rod plate wall is lifted to scrape soil, enabling the cement paste to rise into a soil layer around an upper section of drill rod through a gap between a lower section of drill rod and an upper section of drill rod, and enabling water in the cement paste to permeate and dissipate in the soil layer to moisten and soften the soil body;
3) when a nozzle on a lower section of drill rod is lifted to a groove position scraped by a scraper, cement paste is impacted by high-pressure jet flow, cut and crushed, and slumps loose soil layers in the grooves softened by moisture in the cement paste in a penetrating manner, the spiral hollow drill rod is lifted to a designed elevation all the time, and the lifting is stopped, so that a wide cement soil plate wall connected with the water blocking pile and the support pile is formed, the water blocking pile and the support pile are tightly adhered together by the wide cement soil plate wall, and the cement soil water blocking support pile plate wall is formed; or when the drill rod scraper is lifted and the high-pressure cement slurry is used for digging and expanding the groove of the connecting plate wall, concrete can be poured through the hollow core pipe of the spiral hollow drill rod to form the concrete water-plugging supporting pile plate wall.
The special drilling machine comprises a spiral hollow drill rod, wherein one side of the outer wall or the inner wall of a core pipe of the spiral hollow drill rod is provided with a high-pressure grouting pipe from top to bottom, the spiral hollow drill rod comprises an upper section of drill rod and a lower section of drill rod, the diameter d of a spiral blade of the upper section of drill rod is larger than the diameter d1 of a spiral blade of the lower section of drill rod, the bottom of the spiral blade of the upper section of drill rod is provided with two plate wall scrapers which are arranged up and down and positioned at two sides of the spiral hollow drill rod, two groups of high-pressure nozzles communicated with the high-pressure grouting pipe are arranged on the spiral blades at two sides of the lower section of drill rod, each group of high-pressure nozzles comprises 2-3 nozzles, the diameter of each nozzle is 2-3mm, the distance between two adjacent nozzles in each group of high-pressure nozzles is 2-6cm, the, the jet flow directions of the two groups of nozzles are slightly inclined inwards, and the jet flow centers are crossed at the positions 12 cm-20 cm outside the outer edge of the blade.
The special drilling machine is characterized in that 2-3 hook teeth are arranged at the end part of each plate wall scraper, and the plate wall scrapers are of plate type or bow arm type structures.
The special drilling machine of the invention is characterized in that the distance between the board wall scraper and the nozzle is the height of one blade.
The special drilling machine disclosed by the invention is characterized in that the distance between the board wall scraper and the nozzle is 20-50 cm.
The diameter d of the upper section drill rod is 10-30cm larger than the diameter d1 of the lower section drill rod.
The special drilling machine is characterized in that the length of the lower section drill rod is more than or equal to 0.3 m.
The invention relates to a special drilling machine, wherein a telescopic scraper is adopted by a plate wall scraper.
The invention has the beneficial effects that:
the invention discloses a construction method for digging, expanding and plugging water supporting pile plate wall, which adopts a special drilling machine for construction, wherein a plate wall scraper is arranged on a spiral drill rod, the plate wall scraper automatically extends out when the drill rod is lifted, the position of a connecting plate wall between a supporting pile and a plugging pile is scraped into a wider groove loose soil layer, cement slurry is sprayed through a nozzle below the plate wall scraper to wash and collapse the side wall soil layer of the groove, and cement soil mixed by the high-pressure cement slurry is stirred to tightly connect the plugging pile and the supporting pile together by using a wide and thick cement soil plate wall to form the water plugging supporting pile plate wall.
The construction method of the invention and the special drilling machine thereof for digging, expanding and plugging the water supporting pile plate wall will be further explained with reference to the attached drawings.
Drawings
FIG. 1 is a schematic view of the construction method of the invention for digging, expanding and plugging water to support the pile plate wall;
FIG. 2 is a schematic view of a water plugging support pile plate wall;
FIG. 3 is a schematic structural diagram of a special drilling machine adopted in the construction method for digging, expanding and plugging the water-retaining pile plate wall;
FIG. 4 is a schematic view of the panel wall scraper distribution;
FIG. 5 is a schematic view of a nozzle distribution.
Detailed Description
As shown in figure 3, the special drilling machine adopted in the construction method for digging, expanding, water plugging and supporting the pile plate wall comprises a spiral hollow drill rod, one side of the outer wall or the inner wall of a core pipe of the spiral hollow drill rod is provided with a high-pressure grouting pipe 12 from top to bottom, the spiral hollow drill rod comprises an upper section drill rod 7 and a lower section drill rod 11, wherein the diameter d of a spiral blade of the upper section drill rod is larger than the diameter d of a spiral blade of the lower section drill rod1The diameter value formula is as follows: d ═ d1+ 2X (5-15) cm, the diameter d of the upper section drill rod 7 is smaller than the diameter d of the lower section drill rod 11110-30cm in length, and the length of the lower section of the drill rod 11The degree is more than or equal to 0.3 m.
As shown in fig. 3-5, two plate wall scrapers 9 are arranged at the bottom of the helical blade of the upper section of the drill rod, the two plate wall scrapers are arranged up and down and are positioned at two sides of the helical hollow drill rod, two groups of high-pressure nozzles communicated with a high-pressure grouting pipe 12 are arranged on the helical blades at two sides of the lower section of the drill rod, each group of high-pressure nozzles comprises 2-3 nozzles 10, the diameter of each nozzle 10 is 2-3mm, the distance between every two adjacent nozzles 10 in each group of high-pressure nozzles is 2-6cm, when sand is sprayed, the distance is large, the outer end of each nozzle 10 is 0.5cm away from the outer edge of the helical blade of the lower section of the drill rod, the jet flow direction of each nozzle 10 is vertical to the axis of the core pipe of the helical hollow drill rod, the.
As shown in fig. 1 and 3, a discharge port valve 13 is hinged to the bottom end of a lower section drill rod 11 of the spiral hollow drill rod.
The end part of each plate wall scraper 9 is provided with 2-3 hook teeth, in the process of lifting a fixed-spraying drill rod, the length of the extension of the scraper 9 is automatically adjusted according to the thickness of soil layers between two piles, so that the scraper teeth move upwards on the surface of a supporting pile to scrape grooves with different depths and loosen soil layers at the position of the plate wall, fixed-spraying cement slurry rises above the grooves, moisture in the cement slurry permeates and loosens the soil layers of the grooves, fixed-spraying cement slurry washes soil layers at the two sides of the grooves to clean the surface of the supporting pile 1, and a thicker cement soil plate wall is used for closely adhering a water-blocking pile and the supporting pile together to form the cement soil water-blocking supporting pile plate wall. Or when the drill rod scraper is lifted and the high-pressure water-spraying slurry is used for digging and expanding the groove of the connecting plate wall, the hollow core pipe of the spiral hollow drill rod can be used for opening the discharge port valve 13 to press and pour the concrete, and the concrete water-plugging supporting pile plate wall is formed.
The board wall scraper 9 adopts a plate type or bow arm type structure.
The panel scraper 9 is located above the nozzle 10 at a distance of about 20-50cm from the height of one blade.
The board wall scraper 9 adopts scalable scraper, it is flexible to utilize transmission and arresting gear drive, transmission and arresting gear include hydraulic cylinder, hydraulic cylinder's piston rod and the one end fixed connection of transfer line, the other end of transfer line and the tip fixed connection of board wall scraper, hydraulic cylinder's flexible drive board wall scraper 9 is automatic flexible, wherein cooperate the overflow regulating valve system by hydraulic pressure station or other hydraulic oil sources and supply oil for hydraulic cylinder, realize the flexible of hydraulic cylinder piston rod, and then realize the automatic flexible of board wall scraper 9. The hydraulic oil cylinder can be replaced by an air cylinder, and the hydraulic station or other hydraulic oil sources can be replaced by an air source. The transmission and braking device can also adopt a structure that a motor is matched with a worm gear and a worm, and is in transmission connection with the plate wall scraper 9, and the plate wall scraper 9 can automatically stretch out and draw back through the forward and reverse rotation of the motor. The transmission and braking device is arranged on the spiral hollow drill rod core pipe, and when the spiral hollow drill rod is lifted to perform fixed-spraying of cement paste, the transmission and braking device works, and the plate wall scraper automatically stretches out and draws back.
As shown in fig. 1 and 2, the construction method for digging, expanding and plugging water to support the pile plate wall comprises the following steps:
1) aligning the pile position between the two support piles 1 by using the special drilling machine, drilling to form a hole, lifting a spiral hollow drill rod of the special drilling machine after drilling to the designed depth, and automatically extending out a plate wall scraper 9 arranged at the lower end part of an upper section drill rod 7 when lifting the spiral hollow drill rod;
2) the direction of the plate wall scraper 9 is adjusted to align the plate wall scraper 9 to the center position of the upper plate wall of the support pile 1, when the spiral hollow drill rod is lifted to scrape soil, the plate wall scraper 9 scrapes soil layers at the position of the connecting plate wall 3 loose and hooks the soil layers into a wide groove, and soil bodies falling through the gap between the lower section drill rod 11 and the upper section drill rod 7 fall into pile hole cement paste to form a wide connecting plate groove 4; the cement paste nozzle 10 arranged at the lower part of the plate wall scraper 9 sprays cement paste at the same time, the cement paste rises into the soil layer around the upper section drill rod 7 through the gap between the lower section drill rod 11 and the upper section drill rod 7, and the water in the cement paste permeates and is dissipated in the soil layer to moisten and soften the soil body;
3) when a nozzle on a lower section drill rod 11 is lifted to the position of a groove 4, cement paste is impacted by high-pressure jet flow, cut, crushed and slumped to form a loose soil layer in the groove 4 softened by moisture permeation in the cement paste, the loose soil layer and the cement paste are stirred together to form spout collapsed cement soil 6, the loose soil layer and the cement paste flow into a groove gap 5 and a water plugging pile hole to form a wide cement soil plate wall 3 connected with a water plugging pile and a support pile, the spiral hollow drill rod is lifted to a designed elevation all the time, lifting is stopped, and the wide cement soil plate wall tightly adheres the water plugging pile 2 and the support pile 1 together to form a water plugging support pile plate wall. Or when the plate wall scraper of the spiral hollow drill rod is lifted and the high-pressure cement slurry is used for digging and expanding the groove of the connecting plate wall, the hollow core pipe of the spiral hollow drill rod can be used for opening the discharge port valve 13 to press and pour the concrete, and the concrete water-plugging supporting pile plate wall is formed.
The method is mainly characterized in that a plate wall between a support and a water plugging pile which are very wide and thick is manufactured, and the plate wall is mainly a composite result of two processes of plate wall scraper excavation of a plate wall groove and fixed-spraying hole expansion.
The invention discloses a construction method for digging and expanding a water plugging support pile plate wall, which adopts a special drilling machine for construction, wherein a plate wall scraper is arranged on a spiral drill rod, the plate wall scraper automatically extends out when the drill rod is lifted, the position of a connecting plate wall between a support pile and a water plugging pile is scraped into a wider groove loose soil layer, cement slurry is sprayed through a nozzle below the plate wall scraper to wash and collapse the side wall soil layer of the groove, and the water plugging pile and the support pile are tightly connected together by using a wide and thick cement soil plate wall through stirring the mixed cement soil by the high-pressure cement slurry to form the water plugging support pile plate wall.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A construction method for digging, expanding and water plugging support pile plate walls is characterized by comprising the following steps:
1) drilling to a designed depth by using a special drilling machine for the water plugging pile, and automatically extending a plate wall scraper (9) arranged at the lower end part of the upper section of the drill rod (7) when the spiral hollow drill rod is lifted;
2) the direction of a plate wall scraper (9) is adjusted to be aligned to the center position of an upper plate wall of the support pile (1), when the plate wall scraper (9) connected with the lifting spiral hollow drill rod scrapes soil, a cement paste nozzle (10) arranged at the lower part of the plate wall scraper (9) sprays cement paste at the same time, the cement paste rises into a soil layer around the upper section drill rod (7) through a gap between the lower section drill rod (11) and the upper section drill rod (7), and water in the cement paste permeates and is dissipated in the soil layer to moisten and soften the soil body;
3) when a nozzle on a lower section of drill rod (11) is lifted to the position of the groove (4), the cement paste is impacted by high-pressure jet flow, cut and crushed, and slumps loose soil layers in the groove (4) softened by moisture permeation in the cement paste, the spiral hollow drill rod is lifted to a designed elevation, and the lifting is stopped, so that a wide cement soil plate wall (3) connected with the water plugging pile and the support pile is formed, and the water plugging pile (2) and the support pile (1) are tightly adhered together by the wide cement soil plate wall, so that a cement soil water plugging support pile plate wall is formed; or when the plate wall scraper connected with the spiral hollow drill rod is lifted and the high-pressure cement slurry is used for digging and expanding the groove of the connected plate wall, the hollow core pipe of the spiral hollow drill rod can be used for opening the discharge port valve 13 to press and pour concrete, and the concrete water-plugging support pile plate wall is formed.
2. A special drilling machine used in the construction method according to claim 1, wherein: the high-pressure grouting device comprises a spiral hollow drill rod, wherein a high-pressure grouting pipe (12) is arranged on one side of the outer wall or the inner wall of a core pipe of the spiral hollow drill rod from top to bottom, the spiral hollow drill rod comprises an upper section drill rod (7) and a lower section drill rod (11), and the diameter d of a spiral blade of the upper section drill rod is larger than the diameter d of a spiral blade of the lower section drill rod1The bottom of the upper section drill rod helical blade is provided with two plate wall scrapers (9), the two plate wall scrapers are arranged up and down and are positioned on two sides of the helical hollow drill rod, two groups of high-pressure nozzles communicated with a high-pressure grouting pipe (12) are arranged on the helical blades on two sides of the lower section drill rod, each group of high-pressure nozzles comprises 2-3 nozzles (10), the diameter of each nozzle (10) is 2-3mm, the distance between every two adjacent nozzles (10) in each group of high-pressure nozzles is 2-6cm, the outer end of each nozzle (10) is 0.5cm away from the outer edge of the helical blade of the lower section drill rod, the jet direction of each nozzle (10) is perpendicular to the core pipe axis of the helical hollow drill rod, the jet directions of the two groups of nozzles are slightly inclined inwards.
3. The specialized drilling rig according to claim 2, wherein: the end part of each plate wall scraper (9) is provided with 2-3 hook teeth, and the plate wall scraper (9) adopts a plate type or bow arm type structure.
4. The specialized drilling rig of claim 3: the method is characterized in that: the distance between the plate wall scraper (9) and the nozzle (10) is the height of one blade.
5. The specialized drilling rig of claim 4: the method is characterized in that: the distance between the board wall scraper (9) and the nozzle (10) is 20-50 cm.
6. The specialized drilling rig according to claim 5, wherein: the diameter d of the upper section of the drill rod (7) is larger than that of the lower section of the drill rod (11)1The size is 10-30 cm.
7. The specialized drilling rig according to claim 6, wherein: the length of the lower section drill rod (11) is more than or equal to 0.3 m.
8. The specialized drilling rig according to claim 7, wherein: the plate wall scraper (9) adopts a telescopic scraper, and the scraper can be automatically adjusted in a telescopic mode according to the actual distance between the support pile and the water plugging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437192.2A CN112962627A (en) | 2021-04-22 | 2021-04-22 | Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437192.2A CN112962627A (en) | 2021-04-22 | 2021-04-22 | Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112962627A true CN112962627A (en) | 2021-06-15 |
Family
ID=76280970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110437192.2A Pending CN112962627A (en) | 2021-04-22 | 2021-04-22 | Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112962627A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289319A (en) * | 1991-03-16 | 1992-10-14 | Tenotsukusu:Kk | Method and apparatus for forming soil cement composite pile |
| CN1814915A (en) * | 2006-02-24 | 2006-08-09 | 翟向滨 | Apparatus and method for long spiral-drilling enlarging-base agitation and reaming-in-hole concrete filling to form pile |
| CN1818228A (en) * | 2006-02-28 | 2006-08-16 | 何庆林 | Formative method for row-pile style water-proof wall underground and spiral driller therefor |
| CN102359135A (en) * | 2011-09-15 | 2012-02-22 | 山东省水利科学研究院 | Grooving wall-forming drill bit for underground continuous wall |
| CN108330959A (en) * | 2018-01-30 | 2018-07-27 | 山东倍特力地基工程技术有限公司 | The spiral spray that spray expansion extruding built pile and its construction method and this method use, which is expanded, squeezes drilling machine |
| CN216041190U (en) * | 2021-04-22 | 2022-03-15 | 李金良 | Special drilling machine for digging, expanding, water plugging and supporting pile plate wall construction |
-
2021
- 2021-04-22 CN CN202110437192.2A patent/CN112962627A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289319A (en) * | 1991-03-16 | 1992-10-14 | Tenotsukusu:Kk | Method and apparatus for forming soil cement composite pile |
| CN1814915A (en) * | 2006-02-24 | 2006-08-09 | 翟向滨 | Apparatus and method for long spiral-drilling enlarging-base agitation and reaming-in-hole concrete filling to form pile |
| CN1818228A (en) * | 2006-02-28 | 2006-08-16 | 何庆林 | Formative method for row-pile style water-proof wall underground and spiral driller therefor |
| CN102359135A (en) * | 2011-09-15 | 2012-02-22 | 山东省水利科学研究院 | Grooving wall-forming drill bit for underground continuous wall |
| CN108330959A (en) * | 2018-01-30 | 2018-07-27 | 山东倍特力地基工程技术有限公司 | The spiral spray that spray expansion extruding built pile and its construction method and this method use, which is expanded, squeezes drilling machine |
| CN216041190U (en) * | 2021-04-22 | 2022-03-15 | 李金良 | Special drilling machine for digging, expanding, water plugging and supporting pile plate wall construction |
Non-Patent Citations (1)
| Title |
|---|
| 左名麒等: "桩基础工程 设计 施工 检测", 31 May 1996, 中国铁道出版社, pages: 322 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108330959B (en) | The spiral spray that spray expansion extruding built pile and its construction method and this method use, which is expanded, squeezes drilling machine | |
| CN104763328B (en) | A kind of hydraulic pressure reaming circulation drilling machine and its reaming pile constructing process | |
| CN210216402U (en) | Drilling machine for extruding, spraying, reaming and pressure-grouting concrete pile | |
| CN1814915A (en) | Apparatus and method for long spiral-drilling enlarging-base agitation and reaming-in-hole concrete filling to form pile | |
| CN103556628B (en) | Spiral conical soil compaction pile construction method | |
| CN111576423A (en) | Pile foundation sediment cleaning device and method | |
| CN113152440A (en) | Digging, spraying and pressure-irrigation pile and construction method and special drilling machine thereof | |
| CN216041190U (en) | Special drilling machine for digging, expanding, water plugging and supporting pile plate wall construction | |
| CN110409511B (en) | Water stopping method for joint of secant pile and diaphragm wall | |
| CN203256735U (en) | Multi-shaft mixing pile device capable of reducing soil-squeezing effect | |
| CN110172969A (en) | Quadruple pipe Construction of High Pressure Jet Grouting Pile method | |
| CN107338790B (en) | Construction method of rotary spraying stirring composite pile | |
| CN216739598U (en) | Low-disturbance sinking permanent steel casing device | |
| CN113090192B (en) | Complex stratum rotary drilling steel sleeve matched hole forming method | |
| CN1206417C (en) | Forming method for water-proof pile fender and screw drill therefor | |
| CN111254924B (en) | Application method for road and bridge construction by using high-pressure jet grouting pile nozzle | |
| CN1079129C (en) | Rectifying method of inclined building on soft soil foundation | |
| CN111042820B (en) | Construction method for sand layer with oversized pilot hole by vertical shaft raise-shaft method | |
| CN112962627A (en) | Construction method for digging, expanding and water plugging support pile plate wall and special drilling machine thereof | |
| CN112065310A (en) | Bridge hole pile sand-rich sediment pumping device and using method | |
| CN216041112U (en) | Digging, spraying and pressure-irrigation pile and special drilling machine for construction thereof | |
| CN113338273B (en) | Stirring pile construction method based on water-rich organic matter soft soil layer river channel | |
| CN216920297U (en) | Construction device for long spiral drilling and pressure pouring concrete pile | |
| CN115961646A (en) | Foundation pit water stopping method in pebble stratum | |
| CN100485132C (en) | Formative method for row-pile style water-proof wall underground |
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 |