CN213805339U - Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball - Google Patents
Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball Download PDFInfo
- Publication number
- CN213805339U CN213805339U CN202022191553.3U CN202022191553U CN213805339U CN 213805339 U CN213805339 U CN 213805339U CN 202022191553 U CN202022191553 U CN 202022191553U CN 213805339 U CN213805339 U CN 213805339U
- Authority
- CN
- China
- Prior art keywords
- pile
- steel pipe
- electromagnetic
- concrete
- cannonball
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 105
- 239000010959 steel Substances 0.000 title claims abstract description 105
- 239000004567 concrete Substances 0.000 title claims abstract description 69
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 39
- 238000005553 drilling Methods 0.000 claims abstract description 38
- 239000002689 soil Substances 0.000 claims abstract description 25
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000013535 sea water Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 32
- 238000000034 method Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 7
- 230000035515 penetration Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 101100366060 Caenorhabditis elegans snap-29 gene Proteins 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
According to the requirements of a large-diameter overlong deep sea pile foundation, a steel pipe pile casing group is driven into the sea, a pile foundation construction operation platform is built, an electromagnetic gun technology is adopted, an electromagnetic cannonball pile head is injected into the steel pipe pile casing, the high-speed electromagnetic cannonball pile head penetrates through a soft soil layer containing a gravel interlayer, the electromagnetic cannonball pile head is embedded into a foundation stratum, the electromagnetic cannonball pile head is driven into the sea floor at a high speed to form a pile foundation hole of a deep sea composite pile, a mud wall-protecting drilling machine is adopted for reaming treatment, a steel bar cage in the pile is placed, pile body concrete is poured in a pile hole by a guide pipe method, a cross-shaped steel column in the pile is driven into the pile body concrete center position, the concrete in the pile hole is compacted, and the large-diameter steel pipe concrete overlong deep sea composite pile is formed after the pile body concrete is hardened. The steel pipe concrete deep-sea ultra-long composite pile drilled by the electromagnetic cannonball has the advantages of large pile forming depth, high bearing capacity, quickness in construction, low manufacturing cost and the like, breaks through the technical bottleneck of construction of a large-diameter ultra-long pile foundation with the depth of 120-200 meters, and builds an ultra-long pile foundation of a deep water wharf and an ultra-large span channel bridge.
Description
Technical Field
The utility model belongs to the civil engineering field relates to an engineering stake foundation structure, the concrete filled steel tube deep sea overlength composite pile of electromagnetism shell drilling specifically says so.
Background
With the development of the construction of the deepwater oversized wharf and the development of the construction of the oversized span strait bridge, a large-diameter overlong pile foundation needs to be constructed in a deepwater sea area.
The vertical load of the ultra-large wharf or the ultra-large span bridge is huge, the deep sea pile foundation has high bearing capacity requirement, the pile foundation deformation and settlement control requirement is strict, the design requirement of the deep sea pile foundation of the large structure is end bearing piles, the bottom of the pile foundation is required to be embedded into deep bedrock, the bedrock in the deep sea area is usually embedded deeply, and the buried depth of the bedrock in the ground can reach 120-200 m.
The existing deep sea pile foundation construction technology generally adopts a steel pipe pile casing drilling cast-in-place pile, and because a drill bit of a pile-driving drilling machine is subjected to huge torsional resistance of deep-hole soil and also can meet the huge torsional resistance of a gravel interlayer, the drilling machine is difficult to drill and form a pile, at present, the limit depth of a pile forming hole of the drilling machine is about 80 meters, and the requirement of a large-diameter and ultra-long end-bearing pile foundation with the deep sea structure depth of 120-200 meters into the soil cannot be met.
At present, the drilling depth of ground-drilling bombs for military use to common concrete works is 61 meters, the drilling depth to firm rocks is 40 meters, and the drilling depth to soft ground is 200 meters.
The electromagnetic cannon is a weapon for launching a cannonball along a guide rail by utilizing electromagnetic force, is different from the traditional cannon in that gunpowder gas pressure acts on the cannonball, and is different from the traditional cannon in that the electromagnetic cannon is used for accelerating a metal cannonball by utilizing ampere force generated by an electromagnetic field in an electromagnetic system so as to enable the metal cannonball to achieve kinetic energy required by striking a target.
The electromagnetic shell is driven into the deep sea steel pipe pile casing, a pile foundation hole is drilled at the pile head of the electromagnetic shell at the bottom of a seabed, a steel reinforcement cage is placed after a mud wall protection drilling machine is used for reaming, concrete is poured into the pile hole by a conduit method, a central cross-shaped steel pile is driven, pile body concrete is compacted, after the concrete is hardened, the steel pipe concrete deep sea ultra-long composite pile for drilling the electromagnetic shell is formed, and the steel pipe concrete deep sea ultra-long composite pile has the advantages of large pile forming depth, high bearing capacity, quickness in construction, low manufacturing cost and the like, and is suitable for a large-diameter ultra-long end bearing pile foundation of an ultra-large wharf or an ultra-large span bridge.
SUMMERY OF THE UTILITY MODEL
The technical problem is as follows: the utility model provides a become the stake degree of depth big, bear the weight of the steel pipe concrete deep sea overlength composite pile of the electromagnetic cannonball drilling that the dynamic height, construction are swift and the cost is low, utilize the electromagnetic cannon principle, in the deep sea steel pipe protects a section of thick bamboo, the electromagnetic cannonball pile head of transmission, the pile foundation hole is drilled out in the seabed, puts into the steel reinforcement cage, at the downthehole pipe method cast-in-place concrete of stake, hits the central cross shaped steel piling of people, forms the major diameter overlength end bearing pile basis in the deep sea seabed.
The technical scheme is as follows: the utility model discloses a steel pipe concrete deep sea overlength composite pile of electromagnetism shell drilling, including electromagnetism shell pile head, pile foundation hole, steel pipe pile casing, in the stake reinforcing bar cage, pile body concrete and the stake cross shaped steel post in, its characterized in that: the electromagnetic cannonball pile head is located at the bottom of the pile foundation hole, the pile foundation hole is formed by the electromagnetic cannonball transmitting high-speed electromagnetic cannonball pile head through drilling at the seabed, the electromagnetic cannonball pile head penetrates through a soft soil layer containing a gravel interlayer in the seabed, the electromagnetic cannonball pile head is embedded into a foundation stratum deeply, the steel pipe pile casing penetrates through a seawater layer and is inserted into the soft soil layer, the steel pipe pile casing and the pile foundation hole are aligned perpendicularly in the centers, a full-length in-pile reinforcement cage is arranged in the pile foundation hole and the steel pipe pile casing, full-length pile body concrete is densely filled in the pile foundation hole and the steel pipe pile casing, a full-length in-pile cross-shaped steel column is arranged in the center of the pile body concrete, and the steel pipe concrete deep-sea ultra-long composite pile for electromagnetic cannonball drilling is formed.
The preparation method of the steel pipe concrete deep-sea ultra-long composite pile drilled by the electromagnetic cannonball is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: determining the position of a pile foundation group of a deep sea building, driving a steel pipe pile casing 3 by using a pile driving boat, penetrating the steel pipe pile casing into a sea water layer, inserting the steel pipe pile casing into a soft soil layer, and building a pile foundation construction operation platform by using the steel pipe pile casing group;
step two: installing an electromagnetic cannon launcher on a pile foundation construction operating platform, wherein a cannon mouth of the electromagnetic cannon launcher aligns to a central vertical line of a cavity of a steel pipe casing, and launching an electromagnetic cannonball pile head which penetrates through a soft soil layer containing a gravel interlayer in the seabed, and the electromagnetic cannonball pile head is deeply embedded into a foundation stratum to form a pile foundation hole of a deep-sea composite pile;
step three: after a pile head of the electromagnetic cannonball is drilled to form a pile foundation hole, carrying out reaming treatment by a mud wall-protecting drilling machine, putting into an inner steel reinforcement cage of the pile, pouring pile body concrete in the pile hole by a conduit method, driving a cross-shaped steel column in the pile into the center position of the pile body concrete, and waiting for hardening of the pile body concrete to form a steel pipe concrete deep-sea ultra-long composite pile;
step four: and (3) performing circular construction to form a steel pipe concrete deep-sea super-long composite pile group, pouring a pile top reinforced concrete bearing platform, constructing an upper structure of an ocean building, constructing a deep-water wharf, constructing an ultra-large span strait bridge, and operating and using.
The ultra-large wharf and the ultra-large span bridge in the deep sea area need a large-diameter and ultra-long rock-socketed end pile foundation with 120-200 m penetration depth, and a pile foundation drilling machine is difficult to reach the depth, so that the conventional deep sea pile foundation is usually a friction pile, the bearing capacity is low, the foundation settlement deformation is large, and the safety of a large marine structure is seriously influenced.
The electromagnetic cannonball technology is mature, the pile head of the electromagnetic cannonball can easily penetrate through a soft soil layer containing a gravel interlayer in the seabed, the pile head of the electromagnetic cannonball can be deeply embedded into a foundation layer to quickly form a pile foundation hole, a steel bar cage in a pile is placed after reaming treatment of a mud wall-protecting drilling machine, pile body concrete is poured in a pile hole through a conduit method, a cross-shaped steel column in the pile is driven into the center of the pile body concrete, the concrete in the pile hole is compacted, and after the pile body concrete is hardened, a large-diameter steel pipe concrete deep-sea ultra-long composite pile is formed.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
with the construction and development of large deepwater wharfs and extra-large span strait suspension bridge bridges, in deepwater sea areas, the construction technology of large-diameter and ultra-long end pile foundations is needed, and the construction technology of large-diameter and ultra-long end pile foundations with the soil penetration depth of 120-200 meters is urgently needed.
In deep sea areas, seabed silt soft soil layers are thick, bedrock embedding depth is large, seabed geological conditions are complex, and broken stone interlayers in the soft soil layers are not uniformly distributed.
At present, the deep sea pile foundation construction technology generally adopts a steel pipe pile casing drilling cast-in-place pile, and because a drill bit of a pile-driving drilling machine is subjected to huge torsional resistance of deep-hole soil and also can meet the huge torsional resistance of a gravel interlayer, the drilling machine is difficult to form a pile by drilling, at present, the limit depth of a pile forming hole of the drilling machine is about 80 meters, and the requirement of a large-diameter and ultra-long end-bearing pile foundation with the deep sea structure depth of 120-200 meters into the soil cannot be met.
The method is characterized in that a steel pipe pile casing is driven into the deep sea, a pile foundation construction operation platform can be built by utilizing a steel pipe pile casing group, an electromagnetic gun launcher is installed, a high-speed electromagnetic cannonball pile head is launched by adopting an electromagnetic cannonball drilling technology, the electromagnetic cannonball pile head penetrates through a soft soil layer containing a gravel interlayer and a basement rock weathered layer in the sea bottom, and the electromagnetic cannonball pile head is embedded into the basement rock layer deeply to form a pile foundation hole of the deep sea composite pile.
The method comprises the steps of carrying out reaming treatment by adopting a slurry wall protection drilling machine, putting a steel bar cage in a pile, pouring pile body concrete by using a pile hole internal guide pipe method, driving a cross-shaped steel column in the pile into the center of the pile body concrete, compacting the concrete in the pile hole, and waiting for hardening of the pile body concrete to form a steel pipe concrete deep-sea ultra-long composite pile drilled by an electromagnetic shell, so as to build a large-diameter ultra-long end bearing pile foundation of an ultra-large wharf or an ultra-large span bridge in a deep sea area.
The electromagnetic cannonball is fast, the penetrating power is strong, can form the pile foundation hole of 120 ~ 200 meters depth of penetration in the deep sea seabed fast, pile foundation hole depth is big, the electromagnetic cannonball pile head can easily pierce through seabed rubble intermediate layer, the electromagnetism cannonball bullet can pierce through bedrock weathering layer, the inside of electromagnetic cannonball bullet deep ground embedding bedrock forms deep sea overlength end bearing pile, the pile foundation bearing capacity is big, the pile foundation warp for a short time, the pile group effect is little, the pile foundation construction is swift convenient.
After the pile foundation hole forms, carry out mud dado rig reaming and handle, put into the steel reinforcement cage, at the downthehole pipe method concrete placement of stake, beat the central cross shaped steel pile of people, crowded downthehole concrete, inside cross shaped steel post and outside circular concrete column collaborative work, inside cross shaped steel post sets up at the center of stake concrete, can avoid the corrosion of the interior shaped steel post of stake, can improve pile structure durability, improve pile body bearing capacity, the electromagnetism cannon bullet head is regarded as end-supported pile head concurrently, it is reliable to become the stake quality.
On vast Han ocean, squeeze into steel pipe pile casing crowd, utilize steel pipe pile casing crowd, build pile foundation construction operation platform, installation electromagnetism big gun launching cradle, transmission electromagnetism shell pile head in the steel pipe pile casing, the continuous electromagnetism shell bores the shape pile hole crowd that becomes, puts into steel reinforcement cage back pouring concrete in the pile hole, squeezes into cross shaped steel post in the pile, extrudees downthehole concrete, waits for the downthehole concrete hardening back, forms the super long pile crowd of major diameter, and its pile-forming construction technology is advanced, and pile foundation construction efficiency is high.
The deep sea area is high in wind and large in wave, the construction environment of the deep sea pile foundation is severe, the pile foundation hole forming speed of the electromagnetic cannonball drilling is high, the electromagnetic energy is adopted to replace mechanical energy to perform pile foundation drilling, a large amount of manpower and material resources are saved, the construction period is shortened, and the steel pipe concrete deep sea ultra-long composite pile of the electromagnetic cannonball drilling has good economic performance indexes.
The utility model discloses a steel pipe concrete deep sea overlength composite pile's of electromagnetism shell drilling construction technology is advanced, and it is big to have a stake degree of depth, bears the dynamic height, the construction is swift and cost low grade advantage, has broken through the bottleneck of current deep sea overlength pile foundation construction technology, can form the seabed major diameter overlength end that 120 ~ 200 meters buried depth degree fast and hold the pile foundation, can be used to found the pile foundation of large-scale deep water pier and the super large diameter-span strait bridge.
Drawings
FIG. 1 is a schematic diagram of a steel pipe concrete deep-sea ultra-long composite pile drilled by an electromagnetic projectile;
FIG. 2 is a schematic cross-sectional view of the concrete filled steel tube deep-sea very long composite pile of FIG. 1;
fig. 3 is a schematic diagram of pile group construction of the concrete filled steel tube deep-sea ultra-long composite pile.
The figure shows that: an electromagnetic cannonball pile head 1; a pile foundation hole 2; a steel pipe protective cylinder 3; a reinforcement cage 4 in the pile; pile body concrete 5; a cross steel column 6 in the pile; and (7) a basal rock layer: a soft soil layer 8; a sea water layer 9; a pile foundation construction operation platform 10; an electromagnetic gun launcher 11.
Detailed Description
The invention is further described with reference to the drawings and examples.
Example 1
The utility model discloses a steel pipe concrete deep sea overlength composite pile of electromagnetism shell drilling, cross steel column 6 in steel reinforcement cage 4, pile body concrete 5 and the stake in electromagnetism shell pile head 1, pile foundation hole 2, steel pipe pile casing 3, the stake, its characterized in that: the electromagnetic cannonball pile head 1 is located at the bottom of the pile foundation hole 2, the pile foundation hole 2 is formed by the electromagnetic cannonball transmitting high-speed electromagnetic cannonball pile head 1 through drilling at the seabed, the electromagnetic cannonball pile head 1 penetrates through a soft soil layer 8 containing a gravel interlayer in the seabed, the electromagnetic cannonball pile head 1 is deeply embedded into a foundation rock layer 7, a steel pipe pile casing 3 penetrates through a sea water layer 9 and is inserted into the soft soil layer 8, the steel pipe pile casing 3 is vertically aligned with the centers of the pile foundation hole 2 and the pile foundation hole 2, a through-length in-pile reinforcement cage 4 is arranged in the pile foundation hole 2 and the steel pipe pile casing 3, through-length pile body concrete 5 is densely filled in the pile foundation hole 2 and the steel pipe pile casing 3, a through-length in-pile cross-shaped steel column 6 is arranged at the center of the pile body concrete 5, and the steel pipe concrete deep-sea ultra-long composite pile forming the electromagnetic cannonball drilling is formed.
Example 2
A preparation method of a steel pipe concrete deep-sea ultra-long composite pile drilled by an electromagnetic cannonball is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: determining the position of a deep sea building pile foundation group, driving a steel pipe pile casing 3 by using a pile driving boat, inserting the steel pipe pile casing 3 into a soft soil layer 8 through a seawater layer 9, and building a pile foundation construction operation platform 10 by using the steel pipe pile casing 3 group;
step two: an electromagnetic cannon launcher 11 is installed on a pile foundation construction operating platform 10, a cannon mouth of the electromagnetic cannon launcher 11 is aligned with a cavity center vertical line of a steel pipe casing 3, an electromagnetic cannon shell pile head 1 is launched, the electromagnetic cannon shell pile head 1 penetrates through a soft soil layer 8 containing a gravel interlayer in the seabed, and the electromagnetic cannon shell pile head 1 is deeply embedded into a foundation layer 7 to form a pile foundation hole 2 of a deep-sea composite pile;
step three: after a pile head 1 of the electromagnetic cannonball is drilled to form a pile foundation hole 2, carrying out reaming treatment by a mud wall protection drilling machine, putting an inner pile reinforcement cage 4, pouring pile body concrete 5 in the pile hole by a conduit method, driving a cross-shaped steel column 6 in the pile into the center of the pile body concrete 5, and after the pile body concrete 5 is hardened, forming a steel pipe concrete deep-sea ultra-long composite pile;
step four: and (3) performing circular construction to form a steel pipe concrete deep-sea super-long composite pile group, pouring a pile top reinforced concrete bearing platform, constructing an upper structure of an ocean building, constructing a deep-water wharf, constructing an ultra-large span strait bridge, and operating and using.
Example 3
The water depth of a 4000-meter-level oversized span space cable strait suspension bridge is 80 meters, the thickness of a soft soil layer containing a gravel interlayer is 150 meters under a seabed, the thickness of a weathered layer on the surface of a bedrock is 5 meters, a pile foundation group of the oversized span strait suspension bridge is designed into an end-bearing pile, and a steel pipe concrete deep sea ultra-long composite pile drilled by an electromagnetic shell is selected as a pile foundation.
The diameter of a pile foundation is 5 meters, the total length of the pile body is 250 meters, the length of the pile body in seawater is 80 meters, the length of the pile body in a soft soil layer containing a gravel interlayer is 150 meters, and the pile head of the electromagnetic cannonball penetrates through a weathered layer of a bed rock for 5 meters and is embedded into a hard bed rock for 15 meters.
The total length of the engineering steel pipe pile casing is 120 meters, the engineering steel pipe pile casing is inserted into a seabed soft soil layer for 40 meters, the inner diameter of the steel pipe pile casing is 5 meters, the wall thickness of the steel pipe is 36mm, and a pile foundation construction operation platform can be built by utilizing the steel pipe pile casing group.
An electromagnetic cannon launcher is erected on a pile foundation construction operating platform, a cannon mouth of the electromagnetic cannon launcher aligns to a cavity center vertical line of a steel pipe casing, an electromagnetic cannon shell pile head is launched, the electromagnetic cannon shell pile head penetrates through a soft soil layer containing a gravel interlayer and a bedrock weathered layer in the seabed, and the electromagnetic cannon shell pile head is deeply embedded into the bedrock layer to form a pile foundation hole of a deep-sea composite pile.
The shape of the electromagnetic cannonball pile head is similar to that of a cannonball, the electromagnetic cannonball pile head is shot by an electromagnetic cannonball with the cannonball pipe length of 33.5 meters, and the initial shooting speed of the electromagnetic cannonball pile head is 2 kilometers per second. The diameter of the electromagnetic cannonball pile head is 5 meters, the length of the electromagnetic cannonball pile head is 8 meters, the thickness of an alloy steel shell casing of the electromagnetic cannonball pile head is 0.5 meter, the electromagnetic cannonball pile head is composed of an external alloy steel shell casing casting part and an internal high-strength concrete core body, the head of the electromagnetic cannonball pile head is sharp, and the middle part and the tail of the electromagnetic cannonball pile head are in a cylindrical shape.
After reaming treatment by a mud wall-protecting drilling machine, a steel reinforcement cage is placed in a pile hole, the steel reinforcement cage is composed of 24 phi 28 annularly-arranged longitudinal steel bars and phi 14@300 double-spiral stirrups, concrete is poured into the pile hole by a conduit method by adopting C40, a through-long cross-shaped steel column is inserted into the center of the pile concrete, the cross-shaped steel column is formed by welding two mutually-perpendicular H-shaped steels, and the H-shaped steels are 1200 x 600 in specification.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (1)
1. The utility model provides a steel pipe concrete deep sea overlength composite pile of electromagnetism shell drilling, includes in electromagnetism shell pile head (1), pile foundation hole (2), steel pipe pile casing (3), pile reinforcing cage (4), pile body concrete (5) and the pile cross shaped steel post (6), its characterized in that: the electromagnetic cannonball pile head (1) is positioned at the bottom of the pile foundation hole (2), the pile foundation hole (2) is formed by drilling a high-speed electromagnetic cannonball pile head (1) on the seabed, the electromagnetic cannonball pile head (1) penetrates a soft soil layer (8) containing a gravel interlayer in the seabed, the electromagnetic cannonball pile head (1) is deeply embedded into a foundation layer (7), the steel pipe pile casing (3) penetrates through a seawater layer (9) and is inserted into a soft soil layer (8), the centers of the steel pipe casing (3) and the pile foundation hole (2) are vertically aligned, a through long pile inner reinforcement cage (4) is arranged in the pile foundation hole (2) and the steel pipe casing (3), the pile hole (2) and the steel pipe casing (3) are filled with full-length pile body concrete (5) in a compact way, the center of the pile body concrete (5) is provided with a through-long cross-shaped steel column (6) in the pile to form the steel tube concrete deep-sea ultra-long composite pile for drilling the electromagnetic cannonball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191553.3U CN213805339U (en) | 2020-09-29 | 2020-09-29 | Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191553.3U CN213805339U (en) | 2020-09-29 | 2020-09-29 | Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213805339U true CN213805339U (en) | 2021-07-27 |
Family
ID=76956333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022191553.3U Expired - Fee Related CN213805339U (en) | 2020-09-29 | 2020-09-29 | Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213805339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960623A (en) * | 2022-06-29 | 2022-08-30 | 湖北道泽勘测设计院有限公司 | Basic structure and construction method of PSLC construction method pile |
-
2020
- 2020-09-29 CN CN202022191553.3U patent/CN213805339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960623A (en) * | 2022-06-29 | 2022-08-30 | 湖北道泽勘测设计院有限公司 | Basic structure and construction method of PSLC construction method pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024651B (en) | Steel pipe concrete mixed pile foundation and construction method | |
| CN108166483A (en) | Bored pile construction method | |
| CN109505297A (en) | A kind of resistance to compression resistance to plucking variable diameters steel reinforcement cage club-footed pile | |
| CN102808407B (en) | Construction method of soft-foundation reinforced concrete cast-in-place pile | |
| CN107642041A (en) | The hollow clump of piles anchorage of super-large diameter | |
| CN110387879A (en) | A kind of concrete filling pile construction method of hydraulic vibration hammer hidden pipe | |
| CN102021901B (en) | Method for putting up steel pipe pile platform of abrupt slope bare rock | |
| CN213805339U (en) | Steel pipe concrete deep-sea super-long composite pile drilled by electromagnetic cannonball | |
| CN109779641B (en) | Composite submarine tunnel structure based on hydraulic self-supporting characteristic and construction method | |
| Ranjan | Ground treated with granular piles and its response under load | |
| CN207484290U (en) | The hollow clump of piles anchorage of super-large diameter | |
| CN106638574B (en) | A kind of anchoring ball preventing cast-in-place concrete pile rising of steel cage | |
| CN111749231A (en) | Double-sleeve double-drive full-rotation pile forming device and pile forming process | |
| WO2023131936A2 (en) | Bioinspired skirted footing and its method of installation | |
| CN110847217A (en) | Composite foundation with piles distributed in cylinder-cylinder offshore wind power foundation and construction method | |
| CN111749612B (en) | Excavation method for large-diameter offshore rock-socketed pile foundation pit | |
| RU2360071C1 (en) | Method of reinforcement of foundations | |
| CN211621664U (en) | Composite foundation with piles distributed in cylinder-cylinder offshore wind power foundation | |
| CN211623308U (en) | Pile foundation combination equipment for rapid pore-forming of complex geology | |
| CN113668555A (en) | Deep foundation pit supporting construction method for large-pipe-diameter prestressed row piles | |
| CN111021948A (en) | Pile foundation combination equipment for rapid pore-forming of complex geology | |
| CN221421920U (en) | High pile wharf anchor bar pile reinforcing structure | |
| CN118087517A (en) | Construction method of carrier pile | |
| CN217027192U (en) | Marine anchoring barrel basis | |
| CN114525778B (en) | Karst area karst cave pile foundation piling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xu Wenping Document name: Notice of Termination of Patent Rights |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |