CN108166488B - composite pile for foundation engineering and its preparing process - Google Patents
composite pile for foundation engineering and its preparing process Download PDFInfo
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- CN108166488B CN108166488B CN201711440087.4A CN201711440087A CN108166488B CN 108166488 B CN108166488 B CN 108166488B CN 201711440087 A CN201711440087 A CN 201711440087A CN 108166488 B CN108166488 B CN 108166488B
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- 239000002131 composite material Substances 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 10
- 239000002689 soil Substances 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 230000000670 limiting effect Effects 0.000 claims description 57
- 238000003466 welding Methods 0.000 claims description 26
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 16
- 238000005553 drilling Methods 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- E02D5/72—Pile shoes
-
- 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
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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of civil engineering, in particular to a combined pile for foundation engineering, which comprises a th sleeve pipe which is vertically arranged, wherein the bottom end of the 0 th sleeve pipe is provided with a pile tip, the top diameter of the pile tip is smaller than the bottom diameter of the th sleeve pipe, the bottom surface of the th sleeve pipe is provided with a plurality of soil inlet holes at intervals, the top end of the th sleeve pipe is welded with a second sleeve pipe, the th sleeve pipe and the second sleeve pipe are concentrically arranged, the outer side edges of the th sleeve pipe and the second sleeve pipe are respectively provided with a plurality of extension plates at intervals and vertically, section steel is inserted into the th sleeve pipe and the second sleeve pipe together, and concrete is poured into gaps among the section steel, the th sleeve pipe and the second sleeve pipe.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a combined pile for foundation engineering and a preparation method thereof.
Background
The existing assembling pile mounting process is usually complicated, practical use is inconvenient, and when the assembling pile sinks to the inside of the ground, soil extruded by drilling holes is inconvenient to clean, and the construction efficiency is influenced.
Disclosure of Invention
The invention aims to solve the defects of inconvenient installation and use in the prior art, and provides composite piles for foundation engineering and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
design composite pile that foundation engineering used, sleeve pipe including vertical setting, the sheathed tube bottom of 0 is provided with the stake point, the top diameter of stake point is less than the sheathed tube bottom diameter of , and the sheathed tube bottom surface interval of is equipped with a plurality of and advances native hole, the sheathed tube top welding of has the second sleeve pipe, the concentric setting of sleeve pipe and second sleeve pipe, the equal interval of outside side of sleeve pipe and second sleeve pipe and vertical a plurality of extension boards that are provided with, the common shaped steel that is equipped with of inserting of sleeve pipe and second sleeve pipe inside, and the clearance department between shaped steel and sleeve pipe, the second sleeve pipe pours into the concrete.
Preferably, two limiting clamping blocks are arranged on the side walls of two sides of the top of the sleeve and the inside of the second sleeve at intervals, the two limiting clamping blocks located on the same side form clamping grooves, and a limiting insertion block matched and connected with the clamping grooves is welded on the section steel.
Preferably, shaped steel sets up to the I-steel, and the both sides of shaped steel all are provided with the spacing inserted block of .
Preferably, the stake point sets up to conical stake point, and the circumference side of stake point all is provided with a plurality of cutting pieces at the interval.
Preferably, the bottom end of the extension plate is provided as a tip.
The invention also provides a preparation method of the composite piles for foundation engineering, which comprises the following preparation steps:
s1, workpiece pretreatment:
a1, welding a plurality of extension plates corresponding to the positions on the outer side edges of the th sleeve and the second sleeve;
a2, welding a pile tip at the bottom end of the sleeve, cutting a plurality of soil inlet holes at intervals on the bottom surface of the sleeve, and welding a limiting bump at the bottom inside the sleeve;
a3, taking inner tubes, arranging a limiting groove matched and clamped with the limiting lug at the bottom of each inner tube, arranging a pull rope at the top end of each inner tube, and arranging a plurality of second soil inlet holes at intervals on the side edge of the top of each inner tube;
s2, placing the inner pipe into the sleeve, vertically pressing the sleeve into soil through a pile driver, enabling soil extruded in the drilling process to enter space between the inner pipe and the sleeve from the soil inlet holes along with the penetration of the sleeve, enabling the soil to enter the inner pipe from the soil inlet holes when the soil is heavy, and pulling out the inner pipe through a pull rope and pouring the soil when the soil in the inner pipe is heavy;
s3, when the sleeve is about to completely enter the ground, the sleeve is connected with the second sleeve in a welding mode, the sleeve and the second sleeve are pressed into the ground integrally through the pile driver, and the soil can be taken out and poured in a mode of S2 continuously in the process;
s4, when the positions of the sleeve and the second sleeve reach a preset position, the section steel is placed in the middle of the insides of the sleeve and the second sleeve, concrete is poured in a gap between the section steel and the sleeve and the second sleeve, and standing is carried out for 3-5 hours.
Preferably, the limiting convex block is a cross-shaped convex block, and the limiting groove is a cross-shaped groove.
Preferably, the two sides of the outer part of the inner pipe are both provided with second limiting insertion blocks which are matched and connected with the clamping grooves.
The composite piles for foundation engineering and the preparation method thereof have the advantages that the composite piles have simple structure and simple operation, are convenient for users to prepare and install, are convenient for cleaning extruded soil or silt during installation, have stable structure, have good bearing capacity and are convenient for practical use.
Drawings
Fig. 1 is a front sectional view showing the overall structure of kinds of composite piles for foundation construction according to the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a cross-sectional view illustrating construction structures of composite piles for foundation construction according to the present invention.
In the figure, the device comprises an th sleeve 1, a second sleeve 2, concrete 3, section steel 4, an extension plate 5, a pile tip 6, a th soil inlet hole 7, a cutting blade 8, a limiting clamping block 9, a th limiting insertion block 10, a limiting projection 11, an inner pipe 12, a limiting groove 13, a second limiting insertion block 14, a second soil inlet hole 15 and a pull rope 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention .
Example 1
Referring to fig. 1-3, kinds of combination piles for foundation engineering, including the second sleeve 1 that sets up vertically, the bottom of the second 850 sleeve 1 is provided with a pile toe 6, pile toe 6 sets up to conical pile toe, and the circumference side of pile toe 6 is all provided with a plurality of cutting pieces 8 at intervals, so set up to be convenient for cutting surrounding soil when the second sleeve 1 and pile toe 6 sink to the ground inside, accelerate the sinking speed of the second 2 sleeve 1 and pile toe 6, the top diameter of pile toe 6 is less than the bottom diameter of the second sleeve 1, and the bottom surface of the second 4 sleeve 1 is provided with a plurality of second soil inlet holes 7 at intervals, the top end of the second sleeve 1 is welded with the second sleeve 2, the second sleeve 1 and the second sleeve 2 are concentrically arranged, the outside sides of the second sleeve 1 and the second sleeve 2 are all provided with a plurality of extension plates 5 at intervals and vertically provided, the bottom end of the extension plate 5 is set up to be the tip of the fixture block, so set up to accelerate the setting of the second sleeve 2, the spacing steel bar 1 and the spacing steel bar 2, the fixture block 359 and the fixture block 9 is arranged to be capable of increasing the spacing steel bar 2, the spacing steel bar spacing of the integral connection between the second sleeve 1 and the fixture block 9, the fixture block 9 and the fixture block 9, the fixture block 9 is arranged to be capable of the fixture structure, the fixture block 9 is arranged to be convenient for increasing the spacing of the foundation, the spacing steel structure, the foundation, the spacing steel bar 9 is arranged to be capable of the foundation, the spacing steel bar 9 and the spacing of the foundation, the.
The invention also provides a preparation method of the composite piles for foundation engineering, which comprises the following preparation steps:
s1, workpiece pretreatment:
a1, welding a plurality of extension plates 5 corresponding to the positions on the outer side edges of the sleeve 1 and the second sleeve 2;
a2, welding a pile tip 6 at the bottom end of a sleeve pipe 1, cutting a plurality of soil inlet holes 7 at intervals on the bottom surface of a sleeve pipe 1, and welding a limiting bump 11 at the bottom of the interior of the sleeve pipe 1;
3, getting inner tubes 12, arranging a limiting groove 13 at the bottom of each inner tube 12, wherein the limiting groove 13 is matched and clamped with the limiting lug 11, arranging a pull rope 16 at the top end of each inner tube 12, arranging a plurality of second soil inlet holes 15 at intervals on the side edge of the top of each inner tube 12, arranging second limiting insertion blocks 14 matched and connected with the clamping grooves at two sides of the outer part of each inner tube 12, and enabling the second limiting insertion blocks 14 to have a good position limiting effect on the inner tubes 12, wherein the limiting lugs 11 are arranged to be cross-shaped lugs, and the limiting grooves 13 are arranged to be cross-shaped grooves, so that the position of each inner tube 12 is limited conveniently;
s2, placing the inner pipe 12 into the sleeve 1, vertically pressing the sleeve 1 into soil through a pile machine, along with the penetration of the sleeve 1, enabling soil extruded in the drilling process to enter between the inner pipe 12 and the sleeve 1 from the soil inlet holes 7, enabling the soil to enter into the inner pipe 12 from the second soil inlet holes 15 when the soil is heavy, and enabling the inner pipe 12 to be pulled out through the pull rope 16 and poured when the soil in the inner pipe 12 is heavy;
s3, when the casing pipe 1 completely enters the ground, the casing pipe 1 is connected with the second casing pipe 2 in a welding mode, the pile machine continuously presses the casing pipe 1 and the second casing pipe 2 integrally into the ground, and the soil can be continuously taken out and poured in a mode of S2;
and S4, when the positions of the casing pipe 1 and the second casing pipe 2 reach a preset position, placing the section steel 4 in the middle of the interiors of the th casing pipe 1 and the second casing pipe 2, pouring concrete 3 in a gap between the section steel 4 and the casing pipe 1 and the second casing pipe 2, and standing for 3 hours.
Example 2
Referring to fig. 1-3, kinds of combination piles for foundation engineering, including the second sleeve 1 that sets up vertically, the bottom of the second 850 sleeve 1 is provided with a pile toe 6, pile toe 6 sets up to conical pile toe, and the circumference side of pile toe 6 is all provided with a plurality of cutting pieces 8 at intervals, so set up to be convenient for cutting surrounding soil when the second sleeve 1 and pile toe 6 sink to the ground inside, accelerate the sinking speed of the second 2 sleeve 1 and pile toe 6, the top diameter of pile toe 6 is less than the bottom diameter of the second sleeve 1, and the bottom surface of the second 4 sleeve 1 is provided with a plurality of second soil inlet holes 7 at intervals, the top end of the second sleeve 1 is welded with the second sleeve 2, the second sleeve 1 and the second sleeve 2 are concentrically arranged, the outside sides of the second sleeve 1 and the second sleeve 2 are all provided with a plurality of extension plates 5 at intervals and vertically provided, the bottom end of the extension plate 5 is set up to be the tip of the fixture block, so set up to accelerate the setting of the second sleeve 2, the spacing steel bar 1 and the spacing steel bar 2, the fixture block 359 and the fixture block 9 is arranged to be capable of increasing the spacing steel bar 2, the spacing steel bar spacing of the integral connection between the second sleeve 1 and the fixture block 9, the fixture block 9 and the fixture block 9, the fixture block 9 is arranged to be capable of the fixture structure, the fixture block 9 is arranged to be convenient for increasing the spacing of the foundation, the spacing steel structure, the foundation, the spacing steel bar 9 is arranged to be capable of the foundation, the spacing steel bar 9 and the spacing of the foundation, the.
The invention also provides a preparation method of the composite piles for foundation engineering, which comprises the following preparation steps:
s1, workpiece pretreatment:
a1, welding a plurality of extension plates 5 corresponding to the positions on the outer side edges of the sleeve 1 and the second sleeve 2;
a2, welding a pile tip 6 at the bottom end of a sleeve pipe 1, cutting a plurality of soil inlet holes 7 at intervals on the bottom surface of a sleeve pipe 1, and welding a limiting bump 11 at the bottom of the interior of the sleeve pipe 1;
3, getting inner tubes 12, arranging a limiting groove 13 at the bottom of each inner tube 12, wherein the limiting groove 13 is matched and clamped with the limiting lug 11, arranging a pull rope 16 at the top end of each inner tube 12, arranging a plurality of second soil inlet holes 15 at intervals on the side edge of the top of each inner tube 12, arranging second limiting insertion blocks 14 matched and connected with the clamping grooves at two sides of the outer part of each inner tube 12, and enabling the second limiting insertion blocks 14 to have a good position limiting effect on the inner tubes 12, wherein the limiting lugs 11 are arranged to be cross-shaped lugs, and the limiting grooves 13 are arranged to be cross-shaped grooves, so that the position of each inner tube 12 is limited conveniently;
s2, placing the inner pipe 12 into the sleeve 1, vertically pressing the sleeve 1 into soil through a pile machine, along with the penetration of the sleeve 1, enabling soil extruded in the drilling process to enter between the inner pipe 12 and the sleeve 1 from the soil inlet holes 7, enabling the soil to enter into the inner pipe 12 from the second soil inlet holes 15 when the soil is heavy, and enabling the inner pipe 12 to be pulled out through the pull rope 16 and poured when the soil in the inner pipe 12 is heavy;
s3, when the casing pipe 1 completely enters the ground, the casing pipe 1 is connected with the second casing pipe 2 in a welding mode, the pile machine continuously presses the casing pipe 1 and the second casing pipe 2 integrally into the ground, and the soil can be continuously taken out and poured in a mode of S2;
and S4, when the positions of the casing pipe 1 and the second casing pipe 2 reach a preset position, placing the section steel 4 in the middle of the interiors of the th casing pipe 1 and the second casing pipe 2, pouring concrete 3 in a gap between the section steel 4 and the casing pipe 1 and the second casing pipe 2, and standing for 4 hours.
Example 3
Referring to fig. 1-3, kinds of combination piles for foundation engineering, including the second sleeve 1 that sets up vertically, the bottom of the second 850 sleeve 1 is provided with a pile toe 6, pile toe 6 sets up to conical pile toe, and the circumference side of pile toe 6 is all provided with a plurality of cutting pieces 8 at intervals, so set up to be convenient for cutting surrounding soil when the second sleeve 1 and pile toe 6 sink to the ground inside, accelerate the sinking speed of the second 2 sleeve 1 and pile toe 6, the top diameter of pile toe 6 is less than the bottom diameter of the second sleeve 1, and the bottom surface of the second 4 sleeve 1 is provided with a plurality of second soil inlet holes 7 at intervals, the top end of the second sleeve 1 is welded with the second sleeve 2, the second sleeve 1 and the second sleeve 2 are concentrically arranged, the outside sides of the second sleeve 1 and the second sleeve 2 are all provided with a plurality of extension plates 5 at intervals and vertically provided, the bottom end of the extension plate 5 is set up to be the tip of the fixture block, so set up to accelerate the setting of the second sleeve 2, the spacing steel bar 1 and the spacing steel bar 2, the fixture block 359 and the fixture block 9 is arranged to be capable of increasing the spacing steel bar 2, the spacing steel bar spacing of the integral connection between the second sleeve 1 and the fixture block 9, the fixture block 9 and the fixture block 9, the fixture block 9 is arranged to be capable of the fixture structure, the fixture block 9 is arranged to be convenient for increasing the spacing of the foundation, the spacing steel structure, the foundation, the spacing steel bar 9 is arranged to be capable of the foundation, the spacing steel bar 9 and the spacing of the foundation, the.
The invention also provides a preparation method of the composite piles for foundation engineering, which comprises the following preparation steps:
s1, workpiece pretreatment:
a1, welding a plurality of extension plates 5 corresponding to the positions on the outer side edges of the sleeve 1 and the second sleeve 2;
a2, welding a pile tip 6 at the bottom end of a sleeve pipe 1, cutting a plurality of soil inlet holes 7 at intervals on the bottom surface of a sleeve pipe 1, and welding a limiting bump 11 at the bottom of the interior of the sleeve pipe 1;
3, getting inner tubes 12, arranging a limiting groove 13 at the bottom of each inner tube 12, wherein the limiting groove 13 is matched and clamped with the limiting lug 11, arranging a pull rope 16 at the top end of each inner tube 12, arranging a plurality of second soil inlet holes 15 at intervals on the side edge of the top of each inner tube 12, arranging second limiting insertion blocks 14 matched and connected with the clamping grooves at two sides of the outer part of each inner tube 12, and enabling the second limiting insertion blocks 14 to have a good position limiting effect on the inner tubes 12, wherein the limiting lugs 11 are arranged to be cross-shaped lugs, and the limiting grooves 13 are arranged to be cross-shaped grooves, so that the position of each inner tube 12 is limited conveniently;
s2, placing the inner pipe 12 into the sleeve 1, vertically pressing the sleeve 1 into soil through a pile machine, along with the penetration of the sleeve 1, enabling soil extruded in the drilling process to enter between the inner pipe 12 and the sleeve 1 from the soil inlet holes 7, enabling the soil to enter into the inner pipe 12 from the second soil inlet holes 15 when the soil is heavy, and enabling the inner pipe 12 to be pulled out through the pull rope 16 and poured when the soil in the inner pipe 12 is heavy;
s3, when the casing pipe 1 completely enters the ground, the casing pipe 1 is connected with the second casing pipe 2 in a welding mode, the pile machine continuously presses the casing pipe 1 and the second casing pipe 2 integrally into the ground, and the soil can be continuously taken out and poured in a mode of S2;
and S4, when the positions of the casing pipe 1 and the second casing pipe 2 reach a preset position, placing the section steel 4 in the middle of the interiors of the th casing pipe 1 and the second casing pipe 2, pouring concrete 3 in a gap between the section steel 4 and the casing pipe 1 and the second casing pipe 2, and standing for 3.5 hours.
Example 4
Referring to fig. 1-3, kinds of combination piles for foundation engineering, including the second sleeve 1 that sets up vertically, the bottom of the second 850 sleeve 1 is provided with a pile toe 6, pile toe 6 sets up to conical pile toe, and the circumference side of pile toe 6 is all provided with a plurality of cutting pieces 8 at intervals, so set up to be convenient for cutting surrounding soil when the second sleeve 1 and pile toe 6 sink to the ground inside, accelerate the sinking speed of the second 2 sleeve 1 and pile toe 6, the top diameter of pile toe 6 is less than the bottom diameter of the second sleeve 1, and the bottom surface of the second 4 sleeve 1 is provided with a plurality of second soil inlet holes 7 at intervals, the top end of the second sleeve 1 is welded with the second sleeve 2, the second sleeve 1 and the second sleeve 2 are concentrically arranged, the outside sides of the second sleeve 1 and the second sleeve 2 are all provided with a plurality of extension plates 5 at intervals and vertically provided, the bottom end of the extension plate 5 is set up to be the tip of the fixture block, so set up to accelerate the setting of the second sleeve 2, the spacing steel bar 1 and the spacing steel bar 2, the fixture block 359 and the fixture block 9 is arranged to be capable of increasing the spacing steel bar 2, the spacing steel bar spacing of the integral connection between the second sleeve 1 and the fixture block 9, the fixture block 9 and the fixture block 9, the fixture block 9 is arranged to be capable of the fixture structure, the fixture block 9 is arranged to be convenient for increasing the spacing of the foundation, the spacing steel structure, the foundation, the spacing steel bar 9 is arranged to be capable of the foundation, the spacing steel bar 9 and the spacing of the foundation, the.
The invention also provides a preparation method of the composite piles for foundation engineering, which comprises the following preparation steps:
s1, workpiece pretreatment:
a1, welding a plurality of extension plates 5 corresponding to the positions on the outer side edges of the sleeve 1 and the second sleeve 2;
a2, welding a pile tip 6 at the bottom end of a sleeve pipe 1, cutting a plurality of soil inlet holes 7 at intervals on the bottom surface of a sleeve pipe 1, and welding a limiting bump 11 at the bottom of the interior of the sleeve pipe 1;
3, getting inner tubes 12, arranging a limiting groove 13 at the bottom of each inner tube 12, wherein the limiting groove 13 is matched and clamped with the limiting lug 11, arranging a pull rope 16 at the top end of each inner tube 12, arranging a plurality of second soil inlet holes 15 at intervals on the side edge of the top of each inner tube 12, arranging second limiting insertion blocks 14 matched and connected with the clamping grooves at two sides of the outer part of each inner tube 12, and enabling the second limiting insertion blocks 14 to have a good position limiting effect on the inner tubes 12, wherein the limiting lugs 11 are arranged to be cross-shaped lugs, and the limiting grooves 13 are arranged to be cross-shaped grooves, so that the position of each inner tube 12 is limited conveniently;
s2, placing the inner pipe 12 into the sleeve 1, vertically pressing the sleeve 1 into soil through a pile machine, along with the penetration of the sleeve 1, enabling soil extruded in the drilling process to enter between the inner pipe 12 and the sleeve 1 from the soil inlet holes 7, enabling the soil to enter into the inner pipe 12 from the second soil inlet holes 15 when the soil is heavy, and enabling the inner pipe 12 to be pulled out through the pull rope 16 and poured when the soil in the inner pipe 12 is heavy;
s3, when the casing pipe 1 completely enters the ground, the casing pipe 1 is connected with the second casing pipe 2 in a welding mode, the pile machine continuously presses the casing pipe 1 and the second casing pipe 2 integrally into the ground, and the soil can be continuously taken out and poured in a mode of S2;
and S4, when the positions of the casing pipe 1 and the second casing pipe 2 reach a preset position, placing the section steel 4 in the middle of the interiors of the th casing pipe 1 and the second casing pipe 2, pouring concrete 3 in a gap between the section steel 4 and the casing pipe 1 and the second casing pipe 2, and standing for 5 hours.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
- The combined pile for the foundation engineering of kinds, including the sleeve pipe (1) that sets up vertically, characterized by, the bottom of the 0 th sleeve pipe (1) is provided with the stake point (6), the top diameter of the stake point (6) is less than the bottom diameter of the th sleeve pipe (1), and the bottom surface interval of the th sleeve pipe (1) has seted up a plurality of and has advanced soil hole (7), the top welding of the th sleeve pipe (1) has the second sleeve pipe (2), the th sleeve pipe (1) sets up with the second sleeve pipe (2) is concentric, the sleeve pipe (1) and the outside side of second sleeve pipe (2) are all separated and vertically provided with a plurality of extension boards (5), shaped steel (4) have been inserted jointly to the inside of the th sleeve pipe (1) and second sleeve pipe (2), and the gap department between shaped steel (4) and th sleeve pipe (1), second sleeve pipe (2) has concrete (3);the preparation method of the composite pile for foundation engineering further comprises the following preparation steps:s1, workpiece pretreatment:a1, welding a plurality of extension plates (5) corresponding to the positions on the outer side edges of the th sleeve (1) and the second sleeve (2);a2, welding a pile tip (6) at the bottom end of a sleeve (1), cutting a plurality of soil inlet holes (7) at intervals on the bottom surface of a sleeve (1), and welding a limiting bump (11) at the bottom inside the sleeve (1);a3, selecting inner pipes (12), arranging a limiting groove (13) matched and clamped with the limiting bump (11) at the bottom of each inner pipe (12), arranging a pull rope (16) at the top end of each inner pipe (12), and arranging a plurality of second soil inlet holes (15) at intervals on the side edge of the top of each inner pipe (12);s2, placing the inner pipe (12) into the sleeve (1), vertically pressing the sleeve (1) into soil through a pile driver, enabling soil extruded in the drilling process to enter between the inner pipe (12) and the sleeve (1) from the soil inlet holes (7) along with the penetration of the sleeve (1), enabling the soil to enter the inner part of the inner pipe (12) from the second soil inlet holes (15) when the soil is more, and pulling out the inner pipe (12) through the pull rope (16) and pouring the soil when the soil in the inner pipe (12) is more;s3, when the casing pipe (1) is about to completely enter the ground, the casing pipe (1) is connected with the second casing pipe (2) in a welding mode, the casing pipe (1) and the second casing pipe (2) are pressed into the ground continuously through the pile driver, and the soil can be taken out and poured continuously in the S2 mode;s4, when the positions of the sleeve pipe (1) and the second sleeve pipe (2) reach a preset position, the section steel (4) is placed in the middle of the interiors of the sleeve pipe (1) and the second sleeve pipe (2), concrete (3) is poured in a gap between the section steel (4) and the sleeve pipe (1) and the second sleeve pipe (2), and standing is carried out for 3-5 hours.
- 2. composite pile for foundation engineering according to claim 1, wherein the sleeve (1) and the second sleeve (2) are provided with two spacing blocks (9) on both side walls of the top at intervals, the two spacing blocks (9) on the same side form a slot, and the section steel (4) is welded with a spacing insert (10) in fit connection with the slot.
- 3. composite pile for foundation footing engineering according to claim 1, wherein the section steel (4) is provided as an I-shaped steel, and both sides of the section steel (4) are provided with limiting inserts (10).
- 4. composite pile for foundation engineering according to claim 1, wherein the pile tip (6) is a conical one, and the circumferential sides of the pile tip (6) are provided with a plurality of cutting blades (8) at intervals.
- 5. composite pile for foundation footing according to claim 1, wherein the bottom end of the extension plate (5) is provided with a pointed end.
- 6. composite pile for foundation footing engineering according to claim 1, wherein the limiting projection (11) is configured as a cross-shaped projection, and the limiting groove (13) is configured as a cross-shaped groove.
- 7. The preparation method for the composite pile for foundation engineering according to claim 1, wherein the outside of the inner tube (12) has second limiting inserts (14) on both sides, which are engaged with each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711440087.4A CN108166488B (en) | 2017-12-27 | 2017-12-27 | composite pile for foundation engineering and its preparing process |
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| CN201711440087.4A CN108166488B (en) | 2017-12-27 | 2017-12-27 | composite pile for foundation engineering and its preparing process |
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| CN108166488B true CN108166488B (en) | 2020-01-31 |
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| CN113202127B (en) * | 2021-03-15 | 2022-12-13 | 上海宝冶集团有限公司 | Civil engineering foundation pile structure and construction method thereof |
| CN113668555A (en) * | 2021-08-05 | 2021-11-19 | 深圳市盛业建筑科技(集团)有限公司 | Deep foundation pit supporting construction method for large-pipe-diameter prestressed row piles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6074133A (en) * | 1998-06-10 | 2000-06-13 | Kelsey; Jim Lacey | Adjustable foundation piering system |
| CN1460751A (en) * | 2003-06-09 | 2003-12-10 | 吕怀民 | Composite pile, combination construction method of composite pile and pile foundation and its application |
| CN201785751U (en) * | 2010-07-15 | 2011-04-06 | 南京工业大学 | Double-tube reinforced composite material combined pile |
| CN107190734A (en) * | 2017-06-22 | 2017-09-22 | 成都赋阳技术开发有限公司 | The roadbed supporting pile for repairing construction is built for road and bridge |
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