CN115387358A - Deep water area steep bare rock surface drilling pile steel casing and installation method thereof - Google Patents
Deep water area steep bare rock surface drilling pile steel casing and installation method thereof Download PDFInfo
- Publication number
- CN115387358A CN115387358A CN202211155799.2A CN202211155799A CN115387358A CN 115387358 A CN115387358 A CN 115387358A CN 202211155799 A CN202211155799 A CN 202211155799A CN 115387358 A CN115387358 A CN 115387358A
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- casing
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- thick bamboo
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- 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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a deep water area steep exposed rock surface drilling pile steel casing and an installation method thereof. The invention can ensure the effective fixation and combination of the casing and the rock surface, and has good turnover performance and can reduce the engineering cost because the casing is a tool casing.
Description
Technical Field
The invention relates to the field of pile foundation engineering, in particular to a steel casing of a deep water area steep bare rock surface drilling pile and an installation method.
Background
For the construction of underwater drilling piles on steep exposed rock surfaces in large water level change areas, if a fixed steel platform is adopted, the construction difficulty of a platform pile foundation is high, and under the condition of large water level change, the adopted platform pile is short, so that the platform can be submerged when a high water level comes, and when a long pile is adopted, the platform is very high in a low water level period, the personnel and equipment are difficult to move up and down, the material consumption is large, and the cost is high; when a floating platform is adopted, the steel casing with fixed length cannot adapt to the floating platform, and the common steel casing cannot be stable due to steep rock surface, so that the rock platform needs to be chiseled in advance, and the lower part of the steel casing cannot be matched with the rock surface.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a steel casing of a drilling pile on a steep exposed rock surface in a deep water area and an installation method thereof, which can adapt to larger water level change, ensure effective fixation and combination of the casing and the rock surface, have good turnover performance and can reduce engineering cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the steel pile casing for the steep exposed rock face drilled pile in the deep water area is constructed, the casing comprises an upper casing and a lower casing, the upper casing is inserted into the lower casing, the lower casing is placed on the slope of the rock face, the slope of a lower opening is basically matched with the slope of the rock face, an upper limit ring and a V-shaped water stop are fixedly arranged on the outer side of the lower part of the upper casing, a lower limit ring is fixedly arranged on the inner side of the upper part of the lower casing, a pull ring is arranged on the outer side of the lower part of the lower casing, and the pull ring is connected with an anchor ring on a shoreline through a pull rope.
According to the scheme, the water stop is fixedly arranged on the outer side of the lower portion of the upper section of the casing and is made of V-shaped rubber, a V-shaped opening of the water stop faces downwards, and the water stop is located below the limiting ring.
According to the scheme, the lower part of the lower section of protective cylinder is an inclined plane, the lower end of the lower section of protective cylinder is provided with the membrane bag, the membrane bag is fixedly arranged at the lower end of the lower section of protective cylinder through the pressing plate, and the membrane bag is filled with concrete into the membrane bag through the grouting hose.
According to the scheme, the film bag is fixedly arranged on the lower section of the protective cylinder through rivets.
According to the scheme, the slope rock surface line beside the pile casing is provided with the anchor ring, the outer wall of the lower part of the lower pile casing is symmetrically and fixedly provided with the pull ring, and the pull ring and the anchor ring are connected through the pull rope for preventing the pile casing from sliding downwards.
The invention also provides an installation method of the deep water area steep bare rock surface bored pile steel casing, which comprises the following steps:
s1, horizontally placing an upper section of protection cylinder which is rolled and welded, stacking battens on the lower part of the upper section of protection cylinder, fixedly arranging an upper limiting ring and a water stop at a pre-designed position, horizontally placing a lower section of protection cylinder, fixedly arranging a lower limiting ring at a preset position on the inner side of the lower section of protection cylinder, and fixing a processed film bag strip-shaped belt on the outer wall of the lower section of protection cylinder through a pressing plate and rivets;
s2, hoisting the upper section of protective cylinder by using a crane, inserting the upper opening of the upper section of protective cylinder into the lower opening of the lower section of protective cylinder in an aligning manner, pulling the upper section of protective cylinder out of the upper opening of the lower section of protective cylinder by using a steel wire rope tied and hung on the upper section of protective cylinder, connecting a pull ring with a pull rope, and temporarily fixing the other end of the pull rope on a floating drilling platform; .
S3, installing the superposed pile casings at the corresponding pile positions of the floating drilling platform by using a crane, fixing the upper pile casings on the floating drilling platform by using the crane after the positions are accurate, and slowly loosening the slings tied and hung on the lower pile casings to enable the lower ends of the lower pile casings to be located on the slope rock surface line;
s4, anchoring the free end of the stay cable temporarily fixed on the floating drilling platform on an anchor ring, pouring concrete into the membrane bag through a grouting hose by using a mode of pouring membrane bag concrete, and pouring concrete with the strength consistent with that of rock into the pile casing, wherein the top height of the concrete in the pile casing is equivalent to the highest rock surface in the pile casing;
and S5, after drilling is finished, inserting the casting steel casing into the hole, and after the casting steel casing is installed, hoisting the casing by using a crane for reuse.
The implementation of the deep water area steep bare rock surface drilling pile steel casing and the installation method thereof has the following beneficial effects:
the invention can ensure the effective fixation and combination of the protective cylinder and the rock surface by adopting the mode that the steel protective cylinder can well use water level change when the drawer is adopted, and the lower part adopts the mode of combined fixation of the film bag concrete and the inhaul cable.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a top view of a deep water area steep bare rock face bored pile steel casing of the present invention;
FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;
FIG. 3 is a side view of the deep water area steep bare rock face bored pile steel casing of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in figure 1, the deep water area steep bare rock surface bored pile steel casing comprises an upper casing 2 and a lower casing 3, wherein the upper casing 2 is inserted into the lower casing 3, the lower casing 3 is arranged on the slope of the rock surface, an upper limit ring 11 is fixedly arranged on the outer side of the lower part of the upper casing 2, and a lower limit ring 12 is fixedly arranged on the inner side of the upper part of the lower casing 3. The upper limiting ring 11 is welded on the outer wall of the lower part of the upper section of the casing 2 by adopting bent round steel.
A water stop belt 13 is fixedly arranged on the outer side of the lower part of the upper section of protective cylinder 2, the water stop belt 13 is made of V-shaped rubber, the V-shaped opening of the water stop belt 13 faces downwards, and the water stop belt 13 is positioned below the upper limiting ring 11. The lower part of the lower section of protective cylinder 3 is an inclined plane, the lower end of the lower section of protective cylinder 3 is provided with a film bag 4, the film bag 4 is fixedly arranged at the lower end of the lower section of protective cylinder 3 through a pressing plate 9, and the lower part of the lower section of protective cylinder 3 is processed into a slope according to the actually measured rock surface gradient. The membrane bag 4 is filled with concrete through a grouting hose 8 into the membrane bag 4. The membrane bag 4 is fixedly arranged on the lower section protection cylinder 3 through a rivet 10. An anchor ring 7 is arranged on the slope rock face line 1 beside the pile casing, pull rings 6 are symmetrically and fixedly arranged on the outer wall of the lower part of the lower pile casing 3, and a pull rope 5 for preventing the pile casing from sliding downwards connects the pull rings 6 and the anchor ring 7. The lower part of the lower section of the protective cylinder 3 is an inclined plane, preferably an inclined plane rock base is used, the lower end of the lower section of the protective cylinder 3 fixes the membrane bag 4 on the outer side of the lower section of the protective cylinder 3 by a pressing plate 9, the pressing plate 9 is formed by processing a steel plate strip and is fixed on the lower section of the protective cylinder 3 by a rivet 10, and the membrane bag 4 is poured into the membrane bag 4 through a grouting hose 8 (cuff) of the steel protective cylinder after the steel protective cylinder is thoroughly positioned. An anchor ring 7 fixed through anchoring is arranged on the slope rock face line 1 near the pile foundation, pull rings 6 are symmetrically welded on the outer wall of the lower part of the lower section casing 3, and the pull rings 6 and the anchor ring 7 are connected through a pull rope 5 to prevent the casing from sliding downwards.
The invention also provides an installation method of the steel casing of the steep bare rock surface bored pile in the deep water area, which comprises the following steps:
s1, horizontally placing an upper section of protection barrel 2 which is rolled and welded, stacking battens on the lower part of the upper section of protection barrel, fixedly arranging an upper limiting ring 11 and a water stop belt 13 at a pre-designed position, horizontally placing a lower section of protection barrel 3, fixedly arranging a lower limiting ring 12 at a preset position on the inner side of the lower section of protection barrel 3, and fixing a strip-shaped belt of a processed film bag 4 on the outer wall of the lower section of protection barrel 3 through a pressing plate 9 and rivets 10;
s2, hoisting the upper section of protective cylinder 2 by using a crane, inserting the upper opening of the upper section of protective cylinder 2 into the lower opening of the lower section of protective cylinder 3 in an aligning manner, then pulling the upper section of protective cylinder 2 out of the upper opening of the lower section of protective cylinder 3 through a steel wire rope tied to the upper section of protective cylinder 2, connecting a pull ring 6 with a guy cable 5, and temporarily fixing the other end of the guy cable 5 on a floating drilling platform; .
S3, installing the superposed pile casings at the corresponding pile positions of the floating drilling platform by using a crane, fixing the upper pile casing 2 on the floating drilling platform through the crane after the positions are accurate, and then slowly loosening a sling 14 tied and hung on the lower pile casing 3 to enable the lower end of the lower pile casing 3 to be located on the slope rock face line 1;
s4, anchoring the free end of a guy cable 5 temporarily fixed on the floating drilling platform on an anchor ring 7, pouring concrete into the membrane bag 4 through a grouting hose 8 (cuff) in a way of pouring the concrete into the membrane bag 4 by using a way of pouring the concrete into the membrane bag 4, pouring concrete which is consistent with the strength of rocks into the pile casing when needed, wherein the top height of the concrete in the pile casing is equivalent to the highest rock surface in the pile casing;
and S5, after drilling is finished, inserting the casting steel casing into the hole, and after the casting steel casing is installed, hoisting the casing by using a crane for reuse.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a section of thick bamboo is protected to steep exposed rock face bored pile steel in deep water district, its characterized in that protects a section of thick bamboo and protects a section of thick bamboo down including the upper segment, the upper segment protects a section of thick bamboo and inserts in protecting a section of thick bamboo down, the lower segment protects a section of thick bamboo and places on the slope of rock face, and the slope of end opening coincide basically with the rock face slope, the upper segment protects a fixed upper limit ring and the V type stagnant water that is provided with in the section of thick bamboo lower part outside, the lower segment protects a fixed lower limit ring that is provided with in section of thick bamboo upper portion inboard down, the lower part outside that the lower segment protected a section of thick bamboo is provided with the pull ring, the pull ring passes through the cable and is connected with the anchor ring on the bank line.
2. The deep water area precipitous bare rock surface bored pile steel casing according to claim 1, characterized in that a water stop is fixedly provided on the outside of the lower part of the upper section casing, the water stop is V-shaped rubber, the V-shaped opening of the water stop faces downward, and the water stop is located below the limit ring.
3. The deep water area steep bare rock surface bored pile steel casing of claim 1, wherein the lower part of the lower casing section is an inclined surface, the lower end of the lower casing section is provided with a membrane bag, the membrane bag is fixedly arranged at the lower end of the lower casing section through a pressing plate, and the membrane bag pours concrete into the membrane bag through a grouting hose.
4. The deep water area steeply exposed rock face bored pile steel casing according to claim 1, wherein the membrane bag is fixed to the lower casing by rivets.
5. The deep water area steep exposed rock face bored pile steel casing of claim 1, wherein an anchor ring is arranged on a slope rock face line beside the casing, pull rings are symmetrically and fixedly arranged on the outer wall of the lower part of the lower casing section, and the pull ring and the anchor ring are connected by the pull rope for preventing the casing section from sliding downwards.
6. The method for installing the steel casing of the deep water area steep bare rock surface drilling pile according to claim 1, characterized by comprising the following steps:
s1, horizontally placing an upper section of protection cylinder which is rolled and welded, stacking battens on the lower part of the upper section of protection cylinder, fixedly arranging an upper limiting ring and a water stop at a pre-designed position, horizontally placing a lower section of protection cylinder, fixedly arranging a lower limiting ring at a preset position on the inner side of the lower section of protection cylinder, and fixing a processed film bag strip-shaped belt on the outer wall of the lower section of protection cylinder through a pressing plate and rivets;
s2, hoisting the upper section of protective cylinder by using a crane, inserting the upper opening of the upper section of protective cylinder into the lower opening of the lower section of protective cylinder in an aligning manner, pulling the upper section of protective cylinder out of the upper opening of the lower section of protective cylinder by using a steel wire rope tied and hung on the upper section of protective cylinder, connecting a pull ring with a pull rope, and temporarily fixing the other end of the pull rope on a floating drilling platform; .
S3, installing the superposed pile casings at pile positions corresponding to the floating drilling platform by using a crane, fixing the upper pile casing on the floating drilling platform through the crane after the pile casings are positioned accurately, and then slowly loosening the sling tied to the lower pile casing to enable the lower end of the lower pile casing to be located on the slope rock surface line;
s4, anchoring the free end of the stay cable temporarily fixed on the floating drilling platform on an anchor ring, pouring concrete into the membrane bag through a grouting hose by using a mode of pouring membrane bag concrete, and pouring concrete with the strength consistent with that of rock into the pile casing, wherein the top height of the concrete in the pile casing is equivalent to the highest rock surface in the pile casing;
and S5, after drilling is finished, inserting a casting steel casing into the hole, and after the casting steel casing is installed, hoisting the casing by using a crane for reuse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211155799.2A CN115387358A (en) | 2022-09-22 | 2022-09-22 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
| CN202211534374.2A CN115977116A (en) | 2022-09-22 | 2022-11-29 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211155799.2A CN115387358A (en) | 2022-09-22 | 2022-09-22 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115387358A true CN115387358A (en) | 2022-11-25 |
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ID=84127283
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211155799.2A Pending CN115387358A (en) | 2022-09-22 | 2022-09-22 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
| CN202211534374.2A Pending CN115977116A (en) | 2022-09-22 | 2022-11-29 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211534374.2A Pending CN115977116A (en) | 2022-09-22 | 2022-11-29 | Deep water area steep bare rock surface drilling pile steel casing and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115387358A (en) |
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2022
- 2022-09-22 CN CN202211155799.2A patent/CN115387358A/en active Pending
- 2022-11-29 CN CN202211534374.2A patent/CN115977116A/en active Pending
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| Publication number | Publication date |
|---|---|
| CN115977116A (en) | 2023-04-18 |
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| PB01 | Publication | ||
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Application publication date: 20221125 |