CN111501737B - Reinforced cast-in-situ bored pile and construction method thereof - Google Patents

Reinforced cast-in-situ bored pile and construction method thereof Download PDF

Info

Publication number
CN111501737B
CN111501737B CN202010298246.7A CN202010298246A CN111501737B CN 111501737 B CN111501737 B CN 111501737B CN 202010298246 A CN202010298246 A CN 202010298246A CN 111501737 B CN111501737 B CN 111501737B
Authority
CN
China
Prior art keywords
sleeve
fixing
reinforcement cage
fixedly connected
pouring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010298246.7A
Other languages
Chinese (zh)
Other versions
CN111501737A (en
Inventor
张磊
李莹
邓渊
张志鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Huadong Engineering Corp Ltd
PowerChina Huadong Engineering Shenzhen Corp Ltd
Original Assignee
PowerChina Huadong Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Huadong Engineering Corp Ltd filed Critical PowerChina Huadong Engineering Corp Ltd
Priority to CN202010298246.7A priority Critical patent/CN111501737B/en
Publication of CN111501737A publication Critical patent/CN111501737A/en
Application granted granted Critical
Publication of CN111501737B publication Critical patent/CN111501737B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a reinforced cast-in-situ bored pile, which comprises a cast-in-situ hole, wherein a sleeve, a casting layer and a reinforcement cage are sequentially arranged in the cast-in-situ hole along the direction vertical to the extension direction of the cast-in-situ hole inwards, the sleeve comprises a top sleeve, a connecting sleeve and a bottom sleeve which are sequentially and fixedly connected from top to bottom, and at least one supporting member for fixing the sleeve is fixedly connected to the outer side of the top sleeve. The invention provides a reinforced cast-in-situ bored pile with high strength and strong structural stability, and also provides a construction method of the reinforced cast-in-situ bored pile with convenient construction and strong practicability.

Description

Reinforced cast-in-situ bored pile and construction method thereof
Technical Field
The invention belongs to the technical field of pile foundation construction, and particularly relates to a reinforced cast-in-situ bored pile and a construction method thereof.
Background
The cast-in-place pile is formed by directly forming holes on the pile position on site and then placing a reinforcement cage in the holes to be cast with concrete. The bored concrete pile can adapt to various stratums, does not need to connect piles, has no vibration and no soil extrusion during construction, has low noise, is suitable for being used in areas with dense buildings, but has strict operation requirements, needs a longer maintenance period to bear load after construction, and discharges a large amount of soil slag or slurry during pore-forming. According to different hole-forming processes, the method is divided into a cast-in-place pile for dry operation hole forming, a cast-in-place pile for slurry wall protection hole forming, a cast-in-place pile for sleeve hole forming, a cast-in-place pile for explosion hole forming and the like.
The existing reinforced cast-in-situ bored pile has poor stability and influences construction quality, and when the pile is constructed, the horizontal position of the cast-in-situ bored pile can incline. In addition, the construction method of the existing cast-in-place pile is complicated and long in construction period, and construction progress is influenced.
Based on the situation, the invention provides a reinforced cast-in-situ bored pile and a construction method thereof, which can effectively solve the problems.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a reinforced cast-in-situ bored pile with high strength and structural stability. The invention also aims to provide a construction method of the reinforced cast-in-situ bored pile, which is convenient to construct and strong in practicability.
The invention is realized by the following technical scheme:
the utility model provides a reinforced type bored concrete pile, includes the filling hole, the filling hole has inwards set gradually the sleeve pipe along its extending direction of perpendicular to, has pour layer and steel reinforcement cage, the sleeve pipe is including top sleeve pipe, adapter sleeve and the bottom sleeve pipe of fixed connection in proper order from top to bottom, top sheathed tube top outside fixedly connected with at least one is used for fixing sheathed tube supporting member.
As a preferred technical solution, the top ends of the connecting sleeve and the bottom sleeve are respectively provided with a connecting groove, and correspondingly, the bottom ends of the top sleeve and the connecting sleeve are respectively provided with a protrusion which is in matching connection with the connecting groove; a plurality of fixing holes penetrating through the connecting grooves are formed in the outer side walls of the top ends of the connecting sleeve and the bottom sleeve respectively; the bottom end of the top sleeve and the top end of the connecting sleeve are fixedly connected through a fixing screw passing through a fixing hole and a protrusion; correspondingly, the connecting sleeve and the bottom sleeve are fixedly connected through a fixing screw.
As a more preferable technical solution, a sealing rubber layer is arranged on each connecting groove, and a cutting ring is arranged at the bottom end of the bottom sleeve.
As a preferable technical solution, the supporting member is L-shaped, one end of which is fixedly connected with the top sleeve by a fixing screw, and the other end of which is fixedly connected with a tapered threaded column.
As a more preferable technical solution, the number of the supporting members is 2, and the supporting members are symmetrically arranged on both sides of the top casing.
As a preferred technical scheme, the reinforcement cage comprises an outer hoop, a reinforcing rib, an inner hoop, a fixing rod and a fixing ring which are fixedly connected from outside to inside in sequence, wherein the fixing ring is provided with a fixing thread cylinder in a penetrating manner along the extending direction of the reinforcement cage, and the fixing thread cylinder is internally threaded with the thread fixing rod which moves up and down relative to the reinforcement cage; the top end of the thread fixing rod is fixedly connected with a connector, and the bottom end of the thread fixing rod is fixedly connected with a conical thread column.
As a more preferable technical scheme, the reinforcing rib is fixedly connected with the outer side stirrup and the inner side stirrup through a binding rib, and a spherical stop block is connected to the outer side of the outer side stirrup in a nested manner.
As an optimal technical scheme, the bottom end of the pouring layer is downwards and sequentially fixedly connected with a reinforced concrete layer and a cement paste layer, and the reinforcement cage penetrates through the reinforced concrete layer and is inserted into the cement paste layer to be stably connected.
As a preferred technical scheme, the top end of the pouring layer is fixedly connected with a protection pile.
The invention provides a construction method of a cast-in-situ bored pile, which comprises the following steps:
s1, firstly, carrying out construction preparation, carrying out leveling and tamping on a field, then, measuring and lofting, measuring a pile position, and then, carrying out pre-drilling to form a pouring hole;
s2, sequentially screwing and fixing the top sleeve, the connecting sleeve and the bottom sleeve to form a sleeve through fixing screws, then placing the sleeve into a filling hole through equipment or machinery, screwing and fixing the supporting member and the top sleeve through the fixing screws, supporting and fixing the sleeve, and adjusting the balance support of the sleeve through the depth of the conical threaded column of the supporting member inserted into the soil layer;
s3, manufacturing a reinforcement cage according to the process design requirement, wherein the size of the reinforcement cage is smaller than that of the sleeve and the reinforcement cage can be placed in the sleeve; the steel reinforcement cage is placed in the middle of the interior of the pouring hole through equipment or machinery, after the steel reinforcement cage is placed, the steel reinforcement cage is connected with hole rotating equipment through a connector, a threaded fixing rod in a fixed threaded cylinder moves downwards through threads under the driving of the hole rotating equipment, the bottom end of the pouring hole is tightened, and the bottom of the steel reinforcement cage is fixed in the pouring hole;
and S4, pouring the cement paste layer and the reinforced concrete layer in sequence, pouring the pouring layer 3 after pouring is finished, and drying and maintaining to obtain the reinforced cast-in-situ bored pile.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the sleeve is arranged on the inner wall of the pouring hole and is fixedly connected with the pouring hole, and the sleeve can fix the inner wall of the pouring hole, so that the drilling and pouring of the cast-in-place pile are facilitated, and the convenient pouring layer for construction is effectively improved.
2. According to the invention, the pouring layer is arranged inside the pouring hole and is fixedly connected with the pouring hole, the pouring layer can wrap the outer side of the cast-in-place pile to bear the external pressure of the cast-in-place pile, and the strength of the cast-in-place pile is effectively improved.
3. According to the invention, the reinforcement cage is arranged inside the pouring layer and is fixedly connected with the pouring layer, the reinforcement cage can reinforce the internal structure of the cast-in-place pile, the reinforcement cage is prevented from displacing when the cast-in-place pile is poured, and the practicability of the reinforcement cage in the fixing process is effectively improved.
4. According to the construction method of the pouring hole, the connector is driven to rotate only through the hole rotating equipment, so that the reinforcement cage is fixed inside the pouring hole by the threaded fixing rod, the operation is simple, the flexibility is strong, and the construction method is suitable for construction of complex terrains.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the reinforcement cage of the present invention;
FIG. 3 is a schematic structural view of the bottom sleeve of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is an enlarged view of FIG. 1 at B;
fig. 6 is an enlarged view of fig. 1 at C.
Reference numerals: 1-pouring hole, 2-sleeve, 3-pouring layer, 4-steel reinforcement cage, 5-support member, 6-reinforced concrete layer, 7-cement layer, 8-protective pile, 21-top sleeve, 22-connecting sleeve, 23-bottom sleeve, 201-connecting groove, 202-protrusion, 203-fixing hole, 204-fixing screw, 205-sealing rubber layer, 206-cutting ring, 207-rubber pad, 41-outer hoop, 42-reinforcing bar, 43-inner hoop, 44-fixing rod, 45-fixing ring, 401-fixing threaded cylinder, 402-threaded fixing rod, 403-connecting head, 404-binding bar, 405-spherical stopper, 406-fixing cylinder, 51-tapered threaded cylinder.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
A reinforced cast-in-situ bored pile according to the present invention will be described in detail with reference to fig. 1 to 6.
Example 1:
referring to fig. 1 to 6, a reinforced cast-in-situ bored pile includes pouring hole 1, pouring hole 1 has set gradually sleeve pipe 2, pouring layer 3 and steel reinforcement cage 4 along its extending direction of perpendicular to inwards, sleeve pipe 2 is including top sleeve pipe 21, connecting sleeve 22 and the bottom sleeve pipe 23 from top to bottom fixed connection in proper order, the top outside fixedly connected with of top sleeve pipe 21 is used for fixing at least one supporting member 5 of sleeve pipe 2.
Further, in another embodiment, the top ends of the connecting sleeve 22 and the bottom sleeve 23 are respectively opened with a connecting groove 201, and correspondingly, the bottom ends of the top sleeve 21 and the connecting sleeve 22 are respectively provided with a protrusion 202 which is matched and connected with the connecting groove 201; a plurality of fixing holes 203 penetrating through the connecting groove 201 are respectively formed on the outer side walls of the top ends of the connecting sleeve 22 and the bottom sleeve 23; the top sleeve 21 and the connecting sleeve 22 are fixedly connected by a fixing screw 204 passing through a fixing hole 203 and a protrusion 202 between the bottom end of the top sleeve 21 and the top end of the connecting sleeve 22; accordingly, the connection sleeve 22 and the bottom sleeve 23 are fixedly connected by a fixing screw 204.
Further, in another embodiment, the support member 5 has an L-shape, one end of which is fixedly connected to the top sleeve 21 by a fixing screw 204, and the other end of which is fixedly connected to the tapered threaded post 51.
Further, in another embodiment, the number of the supporting members 5 is 2, and the supporting members are symmetrically arranged on both sides of the top sleeve 21. When placing and fixing sleeve pipe 2, need fix sleeve pipe 2 through supporting component 5, when inserting the toper screw thread post 51 on supporting component 5 in the soil horizon, the screw thread in the toper screw thread post 51 can increase the frictional force of toper screw thread post 51 and soil horizon contact, the effectual stability that improves when sleeve pipe 2 is fixed.
Further, in another embodiment, each of the connecting grooves 201 is provided with a sealing rubber layer 205, most of the sleeves 2 are made of a metal material, and the connecting positions do not have any sealing component, the sealing rubber layer 205 can seal the connecting positions of the sleeves 2 and the bottom sleeve 23, so as to avoid the metal material at the connecting positions of the sleeves 2 from deforming to generate a large gap, so that the poured concrete leaks out to cause the quality problem of the cast-in-place pile, and effectively improve the sealing performance of the sleeves 2.
Further, in another embodiment, the bottom fixedly connected with of bottom sleeve pipe 23 cuts ring 206, the top of cutting ring 206 links to each other with the bottom of bottom sleeve pipe 23, when using apparatus or equipment to drill the filling hole 1, can meet different soil textures, some soil textures are softer, after the drilling, outside soil horizon can be to squeezing in the filling hole 1, make the inside diameter of filling hole 1 diminish, when placing sleeve pipe 2, sleeve pipe 2 is difficult to the activity downwards, the bottom inboard of cutting ring 206 is provided with the round metal sword, can expand the bottom of filling hole 1, make the downward activity that sleeve pipe 2 can be smooth and accomplish and place, in order to carry out construction on next step, the effectual casing pipe 2 installation rate that has improved.
Further, in another embodiment, a rubber pad 207 is connected to the outer side of the fixing screw 204 in a nested manner, the inner side of the rubber pad 207 is connected to the outer side of the fixing screw 204, when the sleeve 2 is placed in construction, the connecting portion of the sleeve 2 needs to be connected and fixed through the fixing screw 204, the rubber pad 207 can isolate the screw head of the fixing screw 204 from the connected outer side, and when the fixing screw 204 is screwed too tightly, the fixing screw 204 extrudes the sleeve 2 to deform, so that the integrity of the sleeve 2 is effectively improved.
Further, in another embodiment, the reinforcement cage 4 includes an outer stirrup 41, a reinforcing rib 42, an inner stirrup 43, a fixing rod 44 and a fixing ring 45 which are fixedly connected in sequence from outside to inside, the fixing ring 45 is provided with a fixing threaded cylinder 401 in a penetrating manner along the extending direction of the reinforcement cage 4, and the fixing threaded cylinder 401 is internally threaded with a threaded fixing rod 402 which moves up and down relative to the reinforcement cage 4; the top end of the threaded fixing rod is fixedly connected with a connector 403, and the bottom end of the threaded fixing rod is fixedly connected with a conical threaded column 51.
Further, in another embodiment, the reinforcing rib 42 is fixedly connected to the outer stirrup 41 and the inner stirrup 43 respectively through a binding rib 404, and a spherical stopper 405 is nested on the outer side of the outer stirrup 41. During the construction, need place steel reinforcement cage 4 in the hole 1 that fills, spherical dog 405 can completely cut off steel reinforcement cage 4's outside and the inner wall of filling hole 1, avoids when placing steel reinforcement cage 4, because equipment problem or steel reinforcement cage 4 swing and with fill hole 1 collision, has guaranteed that steel reinforcement cage 4 overall structure can not receive destruction when placing. The outer side of the reinforcement cage 4 is connected with a fixed cylinder 406 in a nested manner, so that the connection stability between the reinforcing rib 42 and the reinforcement cage 4 is enhanced.
Further, in another embodiment, in the present embodiment, a reinforced concrete layer 6 and a cement slurry layer 7 are fixedly connected to the bottom end of the casting layer 3 in sequence, and the reinforcement cage 4 penetrates through the reinforced concrete layer 6 and is inserted into the cement slurry layer 7 for stable connection. The bottom end of the pouring layer 3 is fixedly connected with a cement slurry layer 7, the top of the cement slurry layer 7 is connected with the bottom end of the pouring layer 3, the cement slurry has the function of a protective wall, and is an anti-seepage and waterproof curtain, the lateral pressure of the slurry in the hole, which is higher than the underground water level, is used for balancing the soil pressure of the hole wall and the water pressure around the hole, water around the hole is resisted to permeate into the hole, the hole wall is kept stable, and the cement slurry layer 7 can also suspend soil residues, carry the soil residues out of the pile hole, so that the soil residues are not allowed to sink into the bottom of the hole to cause difficulty in drilling and influence the thickness of the deposited residues at the bottom of the pile.
Pour layer 3 and be provided with one, pour layer 3 and set up at the inside middle part of bored concrete hole 1, pour layer 3 and bored concrete hole 1 fixed connection, it can wrap up the outside of bored concrete pile to pour layer 3, carry out the bearing to the outside pressure of bored concrete pile, when the construction, need pour 1 inside in bored concrete hole, strengthen the intensity of bored concrete pile, the bored concrete pile bottom is for strengthening concrete layer 6, the intensity of bored concrete pile bottom can be strengthened to the reinforced concrete, avoid bored concrete pile bottom moisture to corrode.
Further, in another embodiment, the present embodiment is different from embodiment 1 only in that: the top end of the pouring layer 3 is fixedly connected with a protection pile 8, the top of the pouring layer 3 is protected, and the strength of the cast-in-place pile is effectively improved.
The invention also provides a construction method of the reinforced cast-in-situ bored pile, which comprises the following steps:
s1, firstly, carrying out construction preparation, carrying out leveling and tamping on a field, then, measuring and lofting, measuring a pile position, and then, carrying out pre-drilling to form a pouring hole 1;
s2, sequentially screwing and fixing the top sleeve 21, the connecting sleeve 22 and the bottom sleeve 23 through fixing screws 204 to form a sleeve 2, then placing the sleeve 2 into the perfusion hole 1 through equipment or machinery, then screwing and fixing the supporting member 5 and the top sleeve 21 through the fixing screws 204, supporting and fixing the sleeve 2, and adjusting the balance support of the sleeve 2 through the depth of the conical threaded column 51 of the supporting member 5 inserted into the soil layer;
s3, manufacturing a reinforcement cage 4 according to the process design requirement, wherein the size of the reinforcement cage 4 is smaller than that of the sleeve and can be placed in the sleeve 2; the steel reinforcement cage 4 is placed in the middle of the interior of the pouring hole 1 through equipment or machinery, after the steel reinforcement cage 4 is placed, the steel reinforcement cage 4 is connected with hole rotating equipment through a connector 402, a threaded fixing rod 402 in a fixed threaded cylinder 401 moves downwards through threads under the driving of the hole rotating equipment, the bottom end of the pouring hole 1 is fastened, and the steel reinforcement cage 4 is fixed in the pouring hole 1;
and S4, pouring the cement paste layer 7 and the reinforced concrete layer 6 in sequence, pouring the pouring layer 3 after pouring is finished, and drying and maintaining to obtain the reinforced cast-in-situ bored pile.
According to the description of the invention and the attached drawings, the reinforced bored pile structure of the present invention can be easily manufactured or used by those skilled in the art, and the positive effects recorded in the present invention can be produced.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (7)

1. The utility model provides a reinforced type bored concrete pile, includes pouring hole (1), its characterized in that: the pouring hole (1) is internally and sequentially provided with a sleeve (2), a pouring layer (3) and a reinforcement cage (4) along the direction perpendicular to the extending direction of the pouring hole, the sleeve (2) comprises a top sleeve (21), a connecting sleeve (22) and a bottom sleeve (23) which are sequentially and fixedly connected from top to bottom, and the outer side of the top sleeve (21) is fixedly connected with at least one supporting member (5) for fixing the sleeve (2);
the top ends of the connecting sleeve (22) and the bottom sleeve (23) are respectively provided with a connecting groove (201), and correspondingly, the bottom ends of the top sleeve (21) and the connecting sleeve (22) are respectively provided with a bulge (202) which is matched and connected with the connecting groove (201); a plurality of fixing holes (203) penetrating through the connecting groove (201) are respectively formed in the outer side walls of the top ends of the connecting sleeve (22) and the bottom sleeve (23); the bottom end of the top sleeve (21) and the top end of the connecting sleeve (22) are fixedly connected through a fixing screw (204) passing through a fixing hole (203) and a protrusion (202) to fixedly connect the top sleeve (21) and the connecting sleeve (22); correspondingly, the connecting sleeve (22) and the bottom sleeve (23) are fixedly connected through a fixing screw (204);
the steel reinforcement cage (4) comprises an outer hoop (41), a reinforcing rib (42), an inner hoop (43), a fixing rod (44) and a fixing ring (45) which are fixedly connected from outside to inside in sequence, wherein the fixing ring (45) is provided with a fixing thread cylinder (401) in a penetrating manner along the extending direction of the steel reinforcement cage (4), and the fixing thread cylinder (401) is internally connected with a thread fixing rod (402) which moves up and down relative to the steel reinforcement cage (4); the top end of the threaded fixing rod is fixedly connected with a connector (403), and the bottom end of the threaded fixing rod is fixedly connected with a conical threaded column (51);
the bottom end of the pouring layer (3) is fixedly connected with a reinforced concrete layer (6) and a cement slurry layer (7) downwards in sequence, and the reinforcement cage (4) penetrates through the reinforced concrete layer (6) and is inserted into the cement slurry layer (7) to be stably connected.
2. The reinforced cast-in-situ bored pile according to claim 1, wherein: each connecting groove (201) is provided with a sealing rubber layer (205), and the bottom end of the bottom sleeve (23) is provided with a cutting ring (206).
3. The reinforced cast-in-situ bored pile according to claim 1, wherein: the supporting component (5) is L-shaped, one end of the supporting component is fixedly connected with the top sleeve (21) through a fixing screw (204), and the other end of the supporting component is fixedly connected with a conical threaded column (51).
4. The reinforced cast-in-situ bored pile according to claim 3, wherein: the number of the supporting members (5) is 2, and the supporting members are symmetrically arranged on two sides of the top sleeve (21).
5. The reinforced cast-in-situ bored pile according to claim 1, wherein: the reinforcing rib (42) through the ligature muscle (404) respectively with outside stirrup (41) with inside stirrup (43) fixed connection, just the outside nested connection of outside stirrup (41) has spherical dog (405).
6. The reinforced cast-in-situ bored pile according to claim 1, wherein: and the top end of the pouring layer (3) is fixedly connected with a protection pile (8).
7. A construction method of a reinforced cast-in-situ bored pile according to any one of claims 1 to 6, comprising the steps of:
s1, firstly, construction preparation is carried out, a field is leveled and tamped, then, the measurement and lofting are carried out, the pile position is determined, and then, pre-drilling is carried out to form a pouring hole (1);
s2, sequentially screwing and fixing a top sleeve (21), a connecting sleeve (22) and a bottom sleeve (23) through fixing screws (204) to form a sleeve (2), then placing the sleeve (2) into the filling hole (1) through equipment, screwing and fixing a supporting member (5) and the top sleeve (21) through the fixing screws (204), supporting and fixing the sleeve (2), and adjusting the balance support of the sleeve (2) through the depth of a conical threaded column (51) of the supporting member (5) inserted into the soil layer;
s3, manufacturing a reinforcement cage (4) according to the process design requirement, wherein the size of the reinforcement cage (4) is smaller than that of the sleeve and the reinforcement cage can be placed in the sleeve (2); the steel reinforcement cage (4) is placed in the middle of the interior of the pouring hole (1) through equipment, after the steel reinforcement cage (4) is placed, the hole rotating equipment is connected through a connector (403), a threaded fixing rod (402) in a fixed threaded cylinder (401) moves downwards through threads under the driving of the hole rotating equipment, the bottom end of the pouring hole (1) is tightened, and the steel reinforcement cage (4) is fixed in the pouring hole (1);
and S4, pouring the cement paste layer (7) and the reinforced concrete layer (6) in sequence, pouring the pouring layer (3) after pouring is finished, and drying and maintaining to obtain the reinforced cast-in-situ bored pile.
CN202010298246.7A 2020-04-16 2020-04-16 Reinforced cast-in-situ bored pile and construction method thereof Active CN111501737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010298246.7A CN111501737B (en) 2020-04-16 2020-04-16 Reinforced cast-in-situ bored pile and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010298246.7A CN111501737B (en) 2020-04-16 2020-04-16 Reinforced cast-in-situ bored pile and construction method thereof

Publications (2)

Publication Number Publication Date
CN111501737A CN111501737A (en) 2020-08-07
CN111501737B true CN111501737B (en) 2022-03-18

Family

ID=71869393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010298246.7A Active CN111501737B (en) 2020-04-16 2020-04-16 Reinforced cast-in-situ bored pile and construction method thereof

Country Status (1)

Country Link
CN (1) CN111501737B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767182A (en) * 2012-07-18 2012-11-07 上海建工二建集团有限公司 Verticality adjustment system for lattice column correcting mount and construction method thereof
CN103205963A (en) * 2013-03-14 2013-07-17 同济大学 Construction method of partly recyclable steel sleeve cast-in-situ bored pile
RO126678B1 (en) * 2010-03-19 2015-06-30 Ioan Beldean Reinforced concrete pillar
CN207812441U (en) * 2017-12-07 2018-09-04 深圳宏业基岩土科技股份有限公司 The lateral hard building enclosure of steel reinforcement cage for cast-in-situ bored pile
CN110387880A (en) * 2019-07-29 2019-10-29 中铁十二局集团建筑安装工程有限公司 A kind of bored pile construction method
CN110670584A (en) * 2019-09-05 2020-01-10 中冶交通建设集团有限公司 Cast-in-situ bored pile and construction method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO126678B1 (en) * 2010-03-19 2015-06-30 Ioan Beldean Reinforced concrete pillar
CN102767182A (en) * 2012-07-18 2012-11-07 上海建工二建集团有限公司 Verticality adjustment system for lattice column correcting mount and construction method thereof
CN103205963A (en) * 2013-03-14 2013-07-17 同济大学 Construction method of partly recyclable steel sleeve cast-in-situ bored pile
CN207812441U (en) * 2017-12-07 2018-09-04 深圳宏业基岩土科技股份有限公司 The lateral hard building enclosure of steel reinforcement cage for cast-in-situ bored pile
CN110387880A (en) * 2019-07-29 2019-10-29 中铁十二局集团建筑安装工程有限公司 A kind of bored pile construction method
CN110670584A (en) * 2019-09-05 2020-01-10 中冶交通建设集团有限公司 Cast-in-situ bored pile and construction method thereof

Also Published As

Publication number Publication date
CN111501737A (en) 2020-08-07

Similar Documents

Publication Publication Date Title
CN113699981A (en) Construction method for preventing necking of rotary-digging cast-in-place pile in high-fill field
CN214245694U (en) Pile forming system for large-diameter cast-in-situ bored pile in karst area
CN114517473A (en) Prefabricated pipe pile suitable for soft soil stratum and capable of effectively enhancing bearing capacity and construction method of prefabricated pipe pile
CN111501737B (en) Reinforced cast-in-situ bored pile and construction method thereof
CN210621684U (en) Device for reinforcing stability of steel protective cylinder during pore-forming construction
CN212506237U (en) Reinforced cast-in-situ bored pile
CN107366289A (en) Foundation ditch concrete support pilework that live borehole pours and preparation method thereof
CN106400781A (en) Prefabricated reinforced concrete pile provided with plastic bushing and prefabricating method of prefabricated reinforced concrete pile
CN205475207U (en) A construction equipment is pour to exposed basement rock or shallow overburden basement rock
CN217460548U (en) Bag grouting squeezing and expanding combined anchor rod with built-in prestressed rod core
CN206706803U (en) Large diameter steel pipe concrete-pile
CN114086576B (en) Steel pipe miniature pile and construction method for reinforcing filled slope by using miniature pile
CN212561499U (en) Assembled screw pile
CN214005719U (en) Cross pile foundation reinforcing apparatus
CN210288522U (en) Dam foundation rock mass reinforced structure based on prefabricated hollow pile
CN210151705U (en) Reinforcing pile for soft soil foundation
CN208455485U (en) Combined type single wall steel bushing case apparatus
TW202134502A (en) Wind power plant foundation structure and method for manufacturing a wind power plant foundation structure
CN207143937U (en) A kind of prestressed concrete pipe pile pile top
CN102808409B (en) Coaxially-nested multi-section prefabricated tube pile and construction method thereof
CN206419056U (en) A kind of suspension roof support structure with anchor sleeve
CN115030155B (en) Construction method of photovoltaic support precast pile for harder stratum based on grouting process
CN216477478U (en) Mine water damage monitoring and early warning device
CN214574028U (en) Multistage supporting construction of transmission line tower position side slope
CN114215528B (en) Multi-arch tunnel reinforcement combined intermediate wall structure and construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220919

Address after: 310014 No. 22 Chao Wang Road, Zhejiang, Hangzhou

Patentee after: POWERCHINA HUADONG ENGINEERING Corp.,Ltd.

Patentee after: China power construction east China Survey and Design Institute (Shenzhen) Co.,Ltd.

Address before: 310014 No. 22 Chao Wang Road, Zhejiang, Hangzhou

Patentee before: POWERCHINA HUADONG ENGINEERING Corp.,Ltd.