CN113089654A - Construction process of hole digging pile in complex soil layer and steel casing for construction - Google Patents
Construction process of hole digging pile in complex soil layer and steel casing for construction Download PDFInfo
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- CN113089654A CN113089654A CN202110421000.9A CN202110421000A CN113089654A CN 113089654 A CN113089654 A CN 113089654A CN 202110421000 A CN202110421000 A CN 202110421000A CN 113089654 A CN113089654 A CN 113089654A
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- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- 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
- E02D5/66—Mould-pipes or other moulds
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Abstract
The application relates to a construction process of a bored pile in a complex soil layer and a steel pile casing for construction, which comprises a cylinder body, a hoisting piece, a fixing frame, a fixing ring and a connecting clamp; the fixing ring is coaxially arranged at the top end of the barrel, the top ends of the connecting clamps are arranged on the lower surface of the fixing frame at intervals along the circumferential direction, the bottom ends of the connecting clamps are detachably assembled on the fixing ring, the lifting piece is arranged on the fixing frame, and the lifting piece is located at the center of the fixing frame and is arranged. This application has a steel and protects a long service life, effect that construction cost is low.
Description
Technical Field
The application relates to the field of bored pile construction, in particular to a bored pile construction process for a complex soil layer and a steel casing for construction.
Background
The complex soil layer is formed by a series of geological actions, and due to the movement of geological structures, the stratum is subjected to the actions of pressure, tension, shearing force, torsion and the like, so that the rock stratum generates the phenomena of folds, fractures and the like, and further cracks, faults and the like are formed.
A chinese patent with application number CN201410791089.8 discloses a construction method of a dug pile penetrating through a gravel backfill layer, which comprises the following steps: performing on-site investigation, and measuring the depth of the underground water level and the depth of a bedrock layer; vertically driving a circle of grouting pipes around the periphery of the hole digging pile, wherein each grouting pipe penetrates into the bedrock layer; simultaneously injecting cement slurry into the grouting pipes, enabling the cement slurry to permeate into the gravel backfill layer through the grouting holes in the pipe walls of the grouting pipes, stopping grouting when the slurry amount of the injected cement slurry reaches a design value, and pulling out the grouting pipes; after the grouting, water sealing and reinforcing are completed, the sand gravel backfill layer is solidified by cement slurry to form a whole circle of concrete; and then, excavating holes at the designed construction positions of the bored piles and supporting walls, when the holes are excavated to the foundation layer, putting steel casings into the holes to serve as supports, and then, lowering constructors to the foundation layer to perform bottom expanding construction.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when transferring the steel and protecting a section of thick bamboo, generally all need the anchor clamps through hydraulic vibratory hammer grasp the steel and protect a section of thick bamboo and transfer, but, the steel of different diameters protects a section of thick bamboo need to transfer the dug hole stake in different apertures, and if anchor clamps only grasp one side that the steel protected a section of thick bamboo, the condition of tearing the damage appears very easily in the steel protected by one side of centre gripping, and if anchor clamps grasp the both sides that the steel protected a section of thick bamboo, just need protect a section of thick bamboo customization anchor clamps according to the steel of different diameters, construction cost has been increased, so remain to improve.
Disclosure of Invention
In order to transfer the inconvenient problem of a steel pile casing, this application provides a complicated soil layer bored pile construction technology and construction are with a steel pile casing.
The first aspect, this application provides a complicated soil layer bored pile is under construction with steel pile casing, adopts following technical scheme:
a steel pile casing for the construction of a hole digging pile in a complex soil layer comprises a cylinder body, a lifting piece, a fixing frame, a fixing ring and a connecting clamp;
the fixing ring is coaxially arranged at the top end of the barrel, the top ends of the connecting clamps are arranged on the lower surface of the fixing frame at intervals along the circumferential direction, the bottom ends of the connecting clamps are detachably assembled on the fixing ring, the lifting piece is arranged on the fixing frame, and the lifting piece is located at the center of the fixing frame and is arranged.
Through adopting above-mentioned technical scheme, solid fixed ring sets up on the barrel, and fixed frame links together through the connecting clamp with solid fixed ring again, when needing the drive steel to protect a section of thick bamboo, through lift by crane equipment hang piece can, lift by crane equipment do not have direct centre gripping barrel, the barrel is difficult to damaged, lift by crane equipment moreover and can directly the centre gripping and hang a piece, do not need the not anchor clamps of customization unidimensional, construction cost is low.
Optionally, the fixed frame comprises a connecting ring and a cross, the outer diameter of the connecting ring is larger than the diameter of the barrel, the cross is arranged on the connecting ring, the top end of the connecting clamp is arranged on the lower surface of the connecting ring, the bottom end of the connecting clamp is detachably assembled on the fixed ring, and the lifting piece is arranged at the central position of the upper surface of the cross.
Through adopting above-mentioned technical scheme, the go-between passes through the removable assembly of connecting clamp and solid fixed ring, and the cross can strengthen the structural strength of go-between, and also for the piece that lifts by crane provides better mounted position, when the barrel need be lifted by crane, install the go-between on solid fixed ring, then through lift by crane equipment hang the piece can, after lifting by crane, will the connecting clamp will follow solid fixed ring dismantle can, lift by crane equipment not direct with the barrel contact, the barrel is difficult to be damaged, long service life.
Optionally, the lifting piece comprises a lifting plate and two reinforcing plates, the lifting plate is vertically arranged on the cross, the two reinforcing plates are respectively located on two sides of the lifting plate, and a lifting hole is formed in the lifting plate.
Through adopting above-mentioned technical scheme, lift by crane equipment and can lift by crane through the lewis hole on the hanger plate, and the reinforcing plate can strengthen the structural strength of cross, also can strengthen hanger plate and cross connection structure's stability, and the hanger plate is difficult to follow the fracture on the cross.
Optionally, the connecting clamp includes floor, hoop and two splint, the floor set up in the upper surface of solid fixed ring, two splint intervals set up in the lower surface of go-between, two interval between the splint is enough to supply the floor inserts, the floor with all seted up the through-hole on the splint, the hoop detachable wear to locate the multiunit the floor with in the through-hole on the splint.
Through adopting above-mentioned technical scheme, the floor not only has the effect of strengthening solid fixed ring structural strength, and the floor inserts the back between two splint moreover, has the effect of pre-fixing to the go-between, then passes the through-hole on floor and the splint through the hoop, and floor and two splint just can be fixed together to fix solid fixed ring on the barrel on the go-between, when lifting by crane the go-between through lifting sling, just can hoist the barrel, the structural stability is better.
Optionally, the hoop is a flexible material.
Through adopting above-mentioned technical scheme, the hoop can pass the through-hole on floor and the splint along circumference, and it is more convenient to install and dismantle, and after the hoop worn floor and splint together, because the hoop has certain compliance, floor and splint have certain degree of freedom, are favorable to structural stability between them.
Optionally, the lower surface of the connecting ring is vertically provided with a plurality of inserting rods arranged at intervals along the circumferential direction of the connecting ring, and the inserting rods are used for being inserted into the soil layer when the barrel is lowered into the pile hole.
Through adopting above-mentioned technical scheme, the diameter in stake hole is generally all can be a little bigger than the diameter of barrel when excavating, so when transferring the barrel to the stake downthehole, the condition of slope may appear in the barrel, and the inserted bar inserts the back in the soil horizon, can effectively avoid the barrel crooked, and the design is more reasonable.
Optionally, the bottom end of the inserted link is conical.
Through adopting above-mentioned technical scheme, the bottom of inserted bar can be inserted in the soil horizon fast, and the construction is more convenient.
In a second aspect, the application provides a construction process of a hole digging pile in a complex soil layer, which adopts the following technical scheme:
the construction process of the bored pile in the complex soil layer is based on the steel casing for the construction of the bored pile in the complex soil layer, and comprises the following steps of:
s1, paying off and pile positioning and elevation: on the basis of a level three-way of a field, determining a pile position axis square control net and an elevation datum point according to the data of a building measurement control net and a foundation plane layout drawing;
s2, excavating a complex soil layer: excavating pile holes layer by layer from top to bottom, firstly excavating earthwork at the middle part, then expanding the periphery, and effectively controlling the section size of the excavated pile holes;
s3, lowering the steel protective cylinder: the method comprises the following steps that a fixing ring is arranged at the top end of a barrel in advance, a connecting clamp is arranged on the fixing frame, a hoisting piece is arranged on the fixing frame, then the barrel is hoisted and lowered into a pile hole through the hoisting piece by hoisting equipment, and after the barrel is lowered, the connecting clamp, the fixing frame and the hoisting piece are disassembled;
s4, installing a reinforcement cage: after pile hole excavation is finished, lowering the reinforcement cage into the cylinder body, and correcting the verticality of the reinforcement cage;
s5, pile foundation concrete pouring: pouring concrete into the pile hole;
s6, removing the steel protective cylinder: and (4) arranging the connecting clamp, the fixing frame and the hoisting piece which are detached in the step (S3) on the cylinder, and hoisting and pulling out the cylinder.
Through adopting above-mentioned technical scheme, when excavating complicated soil layer, protect a section of thick bamboo through transferring the steel and avoid taking place the accident of collapsing, and when putting down or extracting the steel and protecting a section of thick bamboo, can lift by crane the barrel through solid fixed ring, joint clamp, fixed frame and piece of lifting by crane, lift by crane equipment and not direct and the barrel contacts, the barrel is difficult to damaged, also need not customize different anchor clamps, has effectively reduced construction cost.
Optionally, in step S4, when the reinforcement cage is installed, it is necessary to ensure that the pile hole, the reinforcement cage, and the cylinder are coaxial.
Through adopting above-mentioned technical scheme, after concreting shaping is the bored pile in the later stage, can ensure the straightness that hangs down of bored pile, effectively improve construction quality.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the barrel is lifted, the fixing ring on the barrel is fixed on the fixing frame through the connecting clamp, the barrel is lifted by the lifting equipment through the lifting piece, the barrel is not easy to be damaged, different clamps do not need to be customized, and the construction cost is low;
2. the rib plates can not only enhance the structural strength of the fixing ring, but also can be inserted between the two clamping plates, and then the cylinder body can be fixed on the connecting ring through one circle of penetration of the hoop, so that the structure is simple and stable, and the installation and the disassembly are convenient;
3. the lower surface of the fixing ring is provided with an inserting rod, and the inserting rod is inserted into the soil layer, so that the barrel can be prevented from being inclined in the pile hole.
Drawings
Fig. 1 is a schematic structural diagram of a steel casing for complex soil layer bored pile construction according to an embodiment of the present application.
Fig. 2 is a flowchart of a complex soil layer bored pile construction process according to an embodiment of the present application.
Description of reference numerals: 1. a barrel; 2. a hoisting member; 21. a hanger plate; 211. hoisting holes; 22. a reinforcing plate; 3. a fixing frame; 31. a connecting ring; 32. a cross; 4. a fixing ring; 5. a connecting clip; 51. a rib plate; 52. a hoop; 53. a splint; 6. inserting a rod; 7. a bubble level.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a steel pile casing for construction of a hole digging pile in a complex soil layer. Referring to fig. 1, the steel casing for the construction of the bored pile in the complex soil layer includes a cylinder body 1, a lifting member 2, a fixing frame 3, a fixing ring 4, and a coupling clip 5.
Referring to fig. 1, the fixing ring 4 is coaxially fixed on the peripheral outer wall of the top end of the barrel 1, the outer diameter of the fixing ring 4 is at least 4-7 cm larger than the outer diameter of the barrel 1, the fixing frame 3 is in a ring shape, the top ends of the connecting clamps 5 are fixed on the lower surface of the fixing frame 3 at intervals along the circumferential direction of the fixing frame 3, the bottom ends of the connecting clamps 5 are detachably assembled on the fixing ring 4, the hoisting part 2 is fixed on the fixing frame 3, the hoisting part 2 is arranged at the central position of the fixing frame 3, the fixing frame 3 is detachably fixed on the fixing ring 4 through the connecting clamps 5, the hoisting equipment directly hoists the barrel 1 through the hoisting part 2.
Referring to fig. 1, the fixing frame 3 includes a connection ring 31 and a cross 32, the outer diameter and the inner diameter of the connection ring 31 are both larger than the diameter of the barrel 1, the planar width of the connection ring 31 is smaller than the planar width of the fixing ring 4, the cross 32 is made of two support rods fixed perpendicular to each other, the end of the cross 32 is integrally formed on the inner wall of the connection ring 31, the cross 32 and the connection ring 31 have better structural strength, the top end of the connection clamp 5 is arranged on the lower surface of the connection ring 31, the bottom end of the connection clamp 5 is detachably assembled on the upper surface of the fixing ring 4, and the lifting member 2 is fixed at the center position of the upper surface of the.
Referring to fig. 1, the lifting member 2 includes a lifting plate 21 and two reinforcing plates 22, the lifting plate 21 is rectangular, the lifting plate 21 is perpendicularly fixed to the cross 32, the arrangement direction of the lifting plate 21 is the same as the arrangement direction of one of the support rods of the cross 32, the two reinforcing plates 22 are perpendicularly fixed to the cross 32, the reinforcing plates 22 are in a right trapezoid shape, the two reinforcing plates 22 are respectively located on two opposite sides of the lifting plate 21, and the lifting hole 211 is formed in the lifting plate 21.
Referring to fig. 1, the hoisting device can hoist through the hoisting hole 211 on the hoisting plate 21, the reinforcing plate 22 can enhance the structural strength of the cross 32 and the stability of the connection structure between the hoisting plate 21 and the cross 32, the hoisting plate 21 is not easily broken from the cross 32, when the barrel 1 needs to be hoisted, the connecting ring 31 is installed on the fixing ring 4, then the hoisting plate 21 is hoisted through the hoisting device, and after the hoisting is finished, the connecting clamp 5 is detached from the fixing ring 4.
Referring to fig. 1, the connecting clip 5 includes a rib 51, a hoop 52 and a clamp plate 53, a distance of 10-15 cm is provided between the upper surface of the fixing ring 4 and the end surface of the top end of the barrel 1, the rib 51 is in a right-angle trapezoidal shape, the rib 51 is fixed on the upper surface of the fixing ring 4, the longer bottom edge of the rib 51 is welded and fixed with the outer side wall of the barrel 1, the two clamp plates 53 are fixed on the lower surface of the connecting ring 31 at intervals, the interval between the two clamp plates 53 is enough for the rib 51 to insert, in the embodiment, the interval between the two clamp plates 53 is the same as the thickness of the rib 51, through holes are provided on the rib 51 and the clamp plates 53, the hoop 52 is made of a flexible material, and the hoop 52.
Referring to fig. 1, the rib plate 51 not only has the function of reinforcing the structural strength of the fixing ring 4, but also can reinforce the structural stability between the fixing ring 4 and the barrel 1, and meanwhile, after the rib plate 51 is inserted between the two clamping plates 53, the rib plate 51 has the function of pre-fixing the connecting ring 31, and the two clamping plates 53 have the function of clamping the rib plate 51, so that the connecting ring 31 is not easy to shake, and then the rib plate 51 and the two clamping plates 53 can be fixed together by passing through the through holes on the rib plate 51 and the clamping plates 53 through the hoop 52, thereby fixing the fixing ring 4 on the barrel 1 on the connecting ring 31, and when the connecting ring 31 is lifted by the lifting piece.
Referring to fig. 1, in this embodiment, the hoop 52 is preferably a steel wire rope, and after the steel wire rope passes through one circle of the clamping plate 53 and the rib plate 51, the two ends of the steel wire rope are bound and fixed, in other embodiments, the hoop 52 may also be a nylon rope, so that the hoop 52 can conveniently pass through the through holes of the rib plate 51 and the clamping plate 53, and after the rib plate 51 and the clamping plate 53 are passed together by the hoop 52, because the hoop 52 has certain flexibility, the rib plate 51 and the clamping plate 53 have certain freedom, which is beneficial to the structural stability of the two.
Referring to fig. 1, when a pile hole is excavated, the diameter of the pile hole is generally slightly larger than that of the cylinder 1, in order to prevent the cylinder 1 from being inclined in the pile hole, a plurality of insertion rods 6 arranged along the circumferential direction of the connecting ring 31 at intervals are vertically fixed on the lower surface of the connecting ring 31, the bottom ends of the insertion rods 6 are in a conical shape, and when the cylinder 1 is lowered into the pile hole, the bottom ends of the insertion rods 6 are inserted into a soil layer, and the cylinder 1 is not easy to shake in the pile hole.
Referring to fig. 1, when the barrel 1 is placed downwards, the verticality of the barrel 1 must be ensured, and the post-stage pile forming quality of the hole pile is facilitated, so that an installation block is fixed on the periphery of the barrel 1, an embedded groove is formed in the installation block, and a bubble level gauge 7 is embedded in the embedded groove.
Referring to fig. 1, during construction, the bubble level gauge 7 is used together with the inserted bar 6, namely, the verticality of the cylinder 1 is determined according to the bubble level gauge 7, after the cylinder 1 is adjusted to be in a vertical state, the inserted bar 6 is slowly inserted into the soil layer, and the bubble level gauge 7 is observed while the cylinder is inserted, so that the verticality of the cylinder 1 is ensured.
The implementation principle of a complicated soil layer bored pile construction is protected with steel and is described in the embodiment of this application: during construction, firstly, one end clamping plate 53 on the lower surface of the connecting ring 31 is erected on the fixing ring 4, the ribbed plate 51 is inserted between the two clamping plates 53, the hoop 52 penetrates through the through holes in the ribbed plate 51 and the clamping plates 53 in one circle, then the lifting hole 211 of the lifting plate 21 is hooked through the lifting equipment, the barrel 1 can be lifted, when the lifting equipment needs to be detached, the hoop 52 is unfastened, after the ribbed plate 51 and the two clamping plates 53 are separated from each other, the connecting ring 31 can be detached from the barrel 1, after the barrel 1 is placed in a pile hole, the inserting rod 6 on the lower surface of the fixing ring 4 is inserted into the soil layer, the barrel 1 is prevented from being inclined, the barrel 1 is not directly clamped by the lifting equipment, the barrel 1 is not easy to be damaged, the lifting equipment can directly clamp the lifting piece 2, clamps with different sizes are.
The embodiment of the application also discloses a construction process of the hole digging pile in the complex soil layer. Referring to fig. 1 and 2, the complex soil layer bored pile construction process is based on the steel casing for complex soil layer bored pile construction as described above, and includes the following steps:
s1, paying off and pile positioning and elevation: on the basis of a level three-way of a field, determining a pile position axis square control net and an elevation datum point according to the data of a building measurement control net and a foundation plane layout drawing;
s2, excavating a complex soil layer: excavating the pile hole layer by layer from top to bottom, firstly excavating the earthwork of the middle part, then expanding the periphery, effectively controlling the section size of the excavated pile hole, wherein the hole diameter of the excavated pile hole is 5-10 cm larger than the diameter of the cylinder body 1;
s3, lowering the steel protective cylinder: the fixing ring 4 is arranged at the top end of the barrel body 1 in advance, the connecting clamp 5 is arranged on the fixing frame 3, the hoisting part 2 is arranged on the fixing frame 3, then the barrel body 1 is hoisted and lowered into a pile hole through the hoisting part 2 by hoisting equipment, and after the barrel body 1 is lowered, the connecting clamp 5, the fixing frame 3 and the hoisting part 2 are disassembled;
s4, installing a reinforcement cage: after the excavation of stake hole is accomplished, transfer the steel reinforcement cage to barrel 1 in to the straightness that hangs down of steel reinforcement cage, during the installation steel reinforcement cage, need ensure stake hole, steel reinforcement cage and 1 three of barrel are with the axle center, pour the concrete shaping in the later stage and for the bored concrete pile after, can ensure the straightness that hangs down of bored concrete pile, effectively improve construction quality.
S5, pile foundation concrete pouring: pouring concrete into the pile hole;
s6, removing the steel protective cylinder: the joining clip 5, the fixing frame 3, and the lifting tool 2 detached in step S3 are set on the cylinder 1, and then the cylinder 1 is lifted and pulled out.
The implementation principle of the construction process of the hole digging pile in the complex soil layer in the embodiment of the application is as follows: when excavating complicated soil layer, protect a section of thick bamboo through transferring the steel and avoid taking place the accident of collapsing, and put down or when extracting the steel and protect a section of thick bamboo, can lift by crane barrel 1 through solid fixed ring 4, connecting clamp 5, fixed frame 3 and lifting by crane piece 2, lift by crane equipment and directly not contact with barrel 1, barrel 1 is difficult to be damaged, also need not customize different anchor clamps, has effectively reduced construction cost.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a complicated soil layer is steel for bored pile construction and is protected a section of thick bamboo which characterized in that: comprises a cylinder body (1), a hoisting part (2), a fixing frame (3), a fixing ring (4) and a connecting clamp (5);
the fixed ring (4) is coaxially arranged at the top end of the barrel body (1) and is multiple in that the top end of the connecting clamp (5) is arranged at the lower surface of the fixed frame (3) along the circumferential interval, the bottom end of the connecting clamp (5) is detachably assembled on the fixed ring (4), the lifting piece (2) is arranged on the fixed frame (3), and the lifting piece (2) is arranged at the central position of the fixed frame (3).
2. The steel pile casing for the construction of the dug pile in the complex soil layer as claimed in claim 1, wherein: fixed frame (3) are including go-between (31) and cross (32), the external diameter of go-between (31) is greater than the diameter of barrel (1), cross (32) set up in go-between (31) are last, the top of connecting clamp (5) set up in the lower surface of go-between (31), the removable assembly in the bottom of connecting clamp (5) on solid fixed ring (4), play and hang piece (2) set up in the central point of cross (32) upper surface puts the department.
3. The steel pile casing for the construction of the dug pile in the complex soil layer as claimed in claim 2, wherein: the lifting piece (2) comprises a lifting plate (21) and two reinforcing plates (22), the lifting plate (21) is perpendicularly arranged on the cross (32), the two reinforcing plates (22) are arranged, the two reinforcing plates (22) are perpendicularly arranged on the cross (32), the two reinforcing plates (22) are respectively positioned on two sides of the lifting plate (21), and a lifting hole (211) is formed in the lifting plate (21).
4. The steel pile casing for the construction of the dug pile in the complex soil layer as claimed in claim 2, wherein: the connecting clamp (5) comprises a rib plate (51), a hoop (52) and two clamping plates (53), the rib plate (51) is arranged on the upper surface of the fixing ring (4), the two clamping plates (53) are arranged on the lower surface of the connecting ring (31) at intervals, the interval between the two clamping plates (53) is enough for the rib plate (51) to be inserted, through holes are formed in the rib plate (51) and the clamping plates (53), and the hoop (52) can be separately arranged in the through holes in the rib plate (51) and the clamping plates (53).
5. The steel pile casing for the construction of the dug pile in the complex soil layer as claimed in claim 4, wherein: the hoop (52) is a flexible material.
6. The steel pile casing for the construction of the dug pile in the complex soil layer as claimed in claim 2, wherein: the lower surface of the connecting ring (31) is vertically provided with a plurality of inserting rods (6) which are arranged along the circumferential direction of the connecting ring (31) at intervals, and the inserting rods (6) are used for being inserted into soil layers when the barrel body (1) is lowered into the pile hole.
7. The steel casing for the construction of the dug pile in the complex soil layer as claimed in claim 6, wherein: the bottom end of the inserted bar (6) is in a cone shape.
8. A complex soil layer bored pile construction process based on the steel casing for complex soil layer bored pile construction according to any one of claims 1 to 7, comprising the steps of:
s1, paying off and pile positioning and elevation: on the basis of a level three-way of a field, determining a pile position axis square control net and an elevation datum point according to the data of a building measurement control net and a foundation plane layout drawing;
s2, excavating a complex soil layer: excavating pile holes layer by layer from top to bottom, firstly excavating earthwork at the middle part, then expanding the periphery, and effectively controlling the section size of the excavated pile holes;
s3, lowering the steel protective cylinder: the method comprises the following steps that a fixing ring (4) is arranged at the top end of a barrel body (1) in advance, a connecting clamp (5) is arranged on a fixing frame (3), a hoisting piece (2) is arranged on the fixing frame (3), then the barrel body (1) is hoisted by hoisting equipment through the hoisting piece (2) and is placed in a pile hole, and after the barrel body (1) is placed, the connecting clamp (5), the fixing frame (3) and the hoisting piece (2) are disassembled;
s4, installing a reinforcement cage: after pile hole excavation is finished, lowering the reinforcement cage into the cylinder body (1), and correcting the verticality of the reinforcement cage;
s5, pile foundation concrete pouring: pouring concrete into the pile hole;
s6, removing the steel protective cylinder: and (5) arranging the connecting clamp (5), the fixing frame (3) and the lifting piece (2) which are detached in the step (S3) on the cylinder body (1), and then lifting and pulling out the cylinder body (1).
9. The complex soil layer bored pile construction process according to claim 8, characterized in that: in step S4, when installing the reinforcement cage, it is necessary to ensure that the pile hole, the reinforcement cage, and the cylinder (1) are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421000.9A CN113089654B (en) | 2021-04-19 | 2021-04-19 | Construction process of hole digging pile in complex soil layer and steel casing for construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421000.9A CN113089654B (en) | 2021-04-19 | 2021-04-19 | Construction process of hole digging pile in complex soil layer and steel casing for construction |
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| CN113089654A true CN113089654A (en) | 2021-07-09 |
| CN113089654B CN113089654B (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182394A (en) * | 2022-08-24 | 2022-10-14 | 深圳市华晟建设集团股份有限公司 | Soil anchor construction method capable of recycling steel sleeve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644275A (en) * | 2012-05-22 | 2012-08-22 | 中国建筑第二工程局有限公司 | Rotary excavation combined pile-forming construction method under complex geological condition |
| CN205776218U (en) * | 2016-06-23 | 2016-12-07 | 中国二十冶集团有限公司 | Artificial digging pile steel bushing fixture |
| CN205857182U (en) * | 2016-07-08 | 2017-01-04 | 上海长凯岩土工程有限公司 | A kind of end-protecting device for steel-pipe pile construction |
| CN212052766U (en) * | 2020-03-05 | 2020-12-01 | 东莞市卓祥建筑工程有限公司 | Pile foundation steel protects a locating rack |
| CN212506251U (en) * | 2020-06-08 | 2021-02-09 | 浙江中正岩土技术有限公司 | Reusable steel casing |
-
2021
- 2021-04-19 CN CN202110421000.9A patent/CN113089654B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644275A (en) * | 2012-05-22 | 2012-08-22 | 中国建筑第二工程局有限公司 | Rotary excavation combined pile-forming construction method under complex geological condition |
| CN205776218U (en) * | 2016-06-23 | 2016-12-07 | 中国二十冶集团有限公司 | Artificial digging pile steel bushing fixture |
| CN205857182U (en) * | 2016-07-08 | 2017-01-04 | 上海长凯岩土工程有限公司 | A kind of end-protecting device for steel-pipe pile construction |
| CN212052766U (en) * | 2020-03-05 | 2020-12-01 | 东莞市卓祥建筑工程有限公司 | Pile foundation steel protects a locating rack |
| CN212506251U (en) * | 2020-06-08 | 2021-02-09 | 浙江中正岩土技术有限公司 | Reusable steel casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182394A (en) * | 2022-08-24 | 2022-10-14 | 深圳市华晟建设集团股份有限公司 | Soil anchor construction method capable of recycling steel sleeve |
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