CN216515545U - Karst area drilling bored concrete pile structure - Google Patents

Karst area drilling bored concrete pile structure Download PDF

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Publication number
CN216515545U
CN216515545U CN202122782343.6U CN202122782343U CN216515545U CN 216515545 U CN216515545 U CN 216515545U CN 202122782343 U CN202122782343 U CN 202122782343U CN 216515545 U CN216515545 U CN 216515545U
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China
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reinforcement cage
steel reinforcement
cage main
cast
strengthening rib
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CN202122782343.6U
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Chinese (zh)
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常东明
姜建锋
梁卫军
刘亚威
徐杨
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CCCC Third Harbor Engineering Co Ltd
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CCCC Third Harbor Engineering Co Ltd
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Abstract

The utility model discloses a cast-in-situ bored pile structure in a karst area, which comprises a cast-in-situ reinforcement cage main body, wherein a locking device is arranged at the top end of the cast-in-situ reinforcement cage main body, the locking device is provided with a fixing ring and a supporting block, a main rib and a reinforcing rib are arranged in the middle of the cast-in-situ reinforcement cage main body, and a supporting base is fixedly arranged at the bottom of the cast-in-situ reinforcement cage main body. This kind of karst area drilling bored concrete pile structure, moreover, the steam generator is simple in structure reasonable, and the modern design, it prevents to bore the hole edge and collapses to be equipped with locking device, be equipped with the bottom that the support base is convenient for fixed restraint perfusion steel reinforcement cage main part, it is convenient for protect main muscle and the strengthening rib that is located perfusion steel reinforcement cage main part middle part to be provided with the collateral branch supporting disk, make and increase bearing structure between perfusion steel reinforcement cage main part and the drilling hole inner wall, avoid the atress deformation after mud is pour, be equipped with the lantern ring, the dislocation mounting between strengthening rib and the main muscle, make perfusion steel reinforcement cage main part firmer, the anti external stress and the internal stress intensity of high perfusion steel reinforcement cage main part, higher practical value has.

Description

Karst area drilling bored concrete pile structure
Technical Field
The utility model relates to the technical field of cast-in-place piles, in particular to a cast-in-place bored pile structure in a karst area.
Background
KARST (KARST) is a general term for a phenomenon in which water exerts a chemical erosion action mainly on soluble rocks (carbonate rocks, gypsum, rock salt, and the like) and a mechanical action such as erosion, undermining, and collapse of flowing water is secondarily exerted, and a phenomenon resulting from these actions. The topography caused by the karst effect is called karst topography (karst topography).
The karst region is mainly concentrated in the southwest region. The karst area in the southwest area accounts for more than one third of the area of the width of the members in the southwest area. The karst area has complex topography, fragile ecological environment, weak infrastructure such as traffic and the like, so people live in poor conditions. The construction of the south-west karst area is combined with ecological environment construction and protection, natural grassland recovery and grassland construction are carried out, grass industry and animal husbandry are developed, and the construction of the south-west Daisiang of Shanqingshuihu Fuyuankang is a major strategic measure in the implementation of the western major development in China. The rock desertification situation of the karst region in southwest of China, which is called as the ecological cancer, is severe, and the rock desertification land area still shows the expansion trend on the whole.
The cast-in-situ bored pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation on an engineering site, placing a reinforcement cage and pouring concrete in the pile hole, and can be classified into a immersed tube cast-in-situ pile, a cast-in-situ bored pile and the like according to different hole forming methods.
The existing karst area bored pile accelerates the pile foundation construction speed, strengthens the hole wall strength in a hole forming mode, effectively solves the problems of slurry leakage, pile breakage and karst cave collapse easily caused by pile forming in the karst area by backfilling clay and stone mixture and the like, but still has the improvement part, mainly reflects that the requirement on the compactness of backfill materials is higher in the pile forming process, and the pile foundation bearing capacity in the karst cave area can not reach the design value far. Therefore, the method improves the structure and provides a cast-in-situ bored pile structure in the karst area.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a cast-in-situ bored pile structure in a karst area, which comprises:
the steel reinforcement cage comprises a filling steel reinforcement cage main body, wherein a locking device is arranged at the top end of the filling steel reinforcement cage main body, a fixing ring and a supporting block are arranged on the locking device, a main rib and a reinforcing rib are arranged at the middle part of the filling steel reinforcement cage main body, a side supporting disc is fixedly arranged on the outer wall of the reinforcing rib, an inner supporting structure is fixedly arranged inside the reinforcing rib, the inner supporting structure is provided with a reinforcing ring and a supporting rod, and a supporting base is fixedly arranged at the bottom of the filling steel reinforcement cage main body.
As a preferred technical scheme of the utility model, the whole body of the perfusion reinforcement cage is designed in a cylindrical shape and is vertically arranged in the drilled hole in a penetrating and embedding manner, and the size of the perfusion reinforcement cage is designed according to the customization of the drilled hole.
According to a preferred technical scheme of the utility model, the fixing ring of the locking device is fixedly installed at the top end edge of the cast-in-place reinforcement cage main body, the supporting block is provided with a plurality of groups and is provided with bolts fixedly connected with the fixing ring, the supporting block is designed in a fan-shaped structure, and the bottom end of the supporting block is tightly attached to the ground at the edge of the drilled hole.
As a preferred technical solution of the present invention, the supporting base is designed to be disc-shaped and has a mesh structure inside, and the bottom edge of the supporting base is designed to be an oblique angle and is fixedly welded to the bottom end of the main body of the perfusion reinforcement cage.
As a preferred technical scheme of the utility model, the reinforcing ribs are provided with a plurality of groups and are designed in an annular structure, the outer walls and the inner walls of the reinforcing ribs are fixedly welded with lantern rings, and the lantern rings are provided with a plurality of groups and are arranged at the positions of the inner walls and the outer walls of the reinforcing ribs in a relative staggered manner.
As a preferred technical scheme of the utility model, the main ribs are provided with a plurality of groups and are arranged in the sleeve ring in a penetrating manner, and the top ends and the bottom ends of the main ribs are respectively fixedly connected with the fixing ring and the supporting base.
As a preferable technical scheme of the utility model, the inner support structure is fixedly arranged inside the reinforcing rib by arranging a plurality of groups of supporting rods, the outer wall of the reinforcing ring is provided with a snap ring which is connected with one end of each supporting rod in a clamping manner, two ends of each supporting rod are respectively provided with a connector, the other end of each supporting rod is fixedly connected with a lantern ring positioned inside the reinforcing rib, and the mounting height of the reinforcing ring is higher than that of the reinforcing rib to form the support structure.
The utility model has the beneficial effects that: according to the cast-in-situ bored pile structure in the karst area, the locking device is arranged, so that the cast-in-situ reinforcement cage main body is firmly and fixedly arranged in the drilled hole, and the edge of the drilled hole is prevented from collapsing and the like; the support base is arranged to facilitate fixing and restraining the bottom of the cast-in-place steel reinforcement cage main body, so that the strength of the bottom of the cast-in-place steel reinforcement cage main body is improved, foreign matters in a drilled hole can be broken conveniently, the buffer force of slurry casting is weakened, and slurry loss is reduced; the side supporting discs are arranged to protect the main reinforcements and the reinforcing ribs in the middle of the cast-in-place steel reinforcement cage main body, so that a supporting structure is added between the cast-in-place steel reinforcement cage main body and the inner wall of the drilled hole, and the deformation caused by stress after slurry casting is avoided; through the staggered installation among the lantern ring, the reinforcing rib and the main rib, the main body of the cast-in-place steel reinforcement cage is firmer, and the external stress resistance and the internal stress strength of the main body of the cast-in-place steel reinforcement cage are further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a side view structural diagram of a cast-in-situ bored pile structure in a karst area according to the present invention;
FIG. 2 is a top view structural diagram of a cast-in-situ bored pile structure in a karst area according to the present invention;
fig. 3 is an enlarged side view of a cast-in-situ bored pile structure in a karst area at a position a.
In the figure: 1. pouring a reinforcement cage main body; 2. a locking device; 3. a fixing ring 4 and a main rib; 5. An inner support structure; 6. reinforcing ribs; 7. a side support plate; 8. a support base; 9. a support block; 10. a collar; 11. a support bar; 12. a snap ring; 13. a connector; 14. a reinforcement ring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the cast-in-situ bored pile structure in karst area of the present invention includes:
fill steel reinforcement cage main part 1, the top of filling steel reinforcement cage main part 1 is provided with locking device 2, locking device 2 is provided with solid fixed ring 3 and supporting shoe 9, the middle part of filling steel reinforcement cage main part 1 is provided with main muscle 4 and strengthening rib 6, the outer wall fixed mounting of strengthening rib 6 has side supporting disk 7, the inside fixed mounting of strengthening rib 6 has inner support structure 5, inner support structure 5 is provided with beaded finish 14 and bracing piece 11, the bottom fixed mounting of filling steel reinforcement cage main part 1 has support base 8.
Wherein, fill steel reinforcement cage main part 1 wholly to be cylindric design and erect to run through to establish and install in the drilling hole, fill the size of steel reinforcement cage main part 1 and design according to drilling hole customization.
Wherein, locking device 2's solid fixed ring 3 fixed mounting is at the top edge of pouring into steel reinforcement cage main part 1, and supporting shoe 9 is provided with a plurality of groups and is provided with bolt and solid fixed ring 3 fixed connection, and supporting shoe 9 is fan-shaped structural design and the bottom hugs closely on drilling edge subaerial.
Wherein, support base 8 and be discoid design and inside and be the network structure design, the bottom edge that supports base 8 is oblique angle design and fixed welding installs in the bottom of pouring into steel reinforcement cage main part 1.
Wherein, the strengthening rib 6 is provided with a plurality of groups and is the design of annular structure, and the lantern ring 10 is installed to the equal fixed welding in outer wall and the inner wall of strengthening rib 6, and the lantern ring 10 is provided with a plurality of groups and installs the relative staggered arrangement in position that is located the interior outer wall of strengthening rib 6.
Wherein, main muscle 4 is provided with a plurality of groups and runs through and install in lantern ring 10, the top and the bottom of main muscle 4 respectively with solid fixed ring 3 and support base 8 fixed connection.
Wherein, inner supporting structure 5 is through being provided with a plurality of groups of bracing pieces 11 fixed mounting in the inside of strengthening rib 6, and the outer wall of beaded finish 14 is provided with snap ring 12 and is connected with the one end block of bracing piece 11, and the both ends of bracing piece 11 all are provided with connector 13, and the other end of bracing piece 11 and the lantern ring 10 fixed connection that is located the inside of strengthening rib 6, and the mounting height of beaded finish 14 is higher than strengthening rib 6 and constitutes bearing structure.
The working principle is as follows: when the device is used, the main body of the perfusion reinforcement cage can be firmly and fixedly arranged in the drilled hole by the locking device, and the edge of the drilled hole is prevented from collapsing and the like; the support base is arranged to facilitate fixing and restraining the bottom of the cast-in-place steel reinforcement cage main body, so that the strength of the bottom of the cast-in-place steel reinforcement cage main body is improved, foreign matters in a drilled hole can be broken conveniently, the buffer force of slurry casting is weakened, and slurry loss is reduced; the side supporting discs are arranged to protect the main reinforcements and the reinforcing ribs in the middle of the cast-in-place steel reinforcement cage main body, so that a supporting structure is added between the cast-in-place steel reinforcement cage main body and the inner wall of the drilled hole, and the deformation caused by stress after slurry casting is avoided; through the staggered installation among the lantern ring, the reinforcing rib and the main rib, the main body of the cast-in-place steel reinforcement cage is firmer, and the external stress resistance and the internal stress strength of the main body of the cast-in-place steel reinforcement cage are further improved.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a karst area drilling bored concrete pile structure which characterized in that includes:
fill steel reinforcement cage main part (1), the top of filling steel reinforcement cage main part (1) is provided with locking device (2), locking device (2) are provided with solid fixed ring (3) and supporting shoe (9), the middle part of filling steel reinforcement cage main part (1) is provided with main muscle (4) and strengthening rib (6), the outer wall fixed mounting of strengthening rib (6) has collateral branch supporting disk (7), the inside fixed mounting of strengthening rib (6) has interior bearing structure (5), interior bearing structure (5) are provided with beaded finish (14) and bracing piece (11), the bottom fixed mounting of filling steel reinforcement cage main part (1) has support base (8).
2. The karst area bored pile structure according to claim 1, wherein:
the cast-in-place steel reinforcement cage is characterized in that the cast-in-place steel reinforcement cage main body (1) is integrally designed in a cylindrical shape, is vertically penetrated, embedded and installed in a drilled hole, and is customized and designed according to the drilled hole in size.
3. The karst area bored pile structure according to claim 1, wherein:
the locking device is characterized in that a fixing ring (3) of the locking device (2) is fixedly installed at the top end edge of the cast-in-place steel reinforcement cage main body (1), a plurality of groups of supporting blocks (9) are arranged, bolts are fixedly connected with the fixing ring (3), and the supporting blocks (9) are of fan-shaped structural design and the bottoms of the supporting blocks are tightly attached to the ground at the edge of a drilled hole.
4. The karst area bored pile structure according to claim 1, wherein:
support base (8) and be discoid design and inside and be the network structure design, the bottom edge that supports base (8) is oblique angle design and fixed welding installs the bottom at pouring into steel reinforcement cage main part (1).
5. The karst area bored pile structure according to claim 1, wherein:
the strengthening rib (6) are provided with a plurality of groups and are the design of annular structure, the equal fixed welding in outer wall and the inner wall of strengthening rib (6) installs the lantern ring (10), the lantern ring (10) are provided with a plurality of groups and install the relative staggered arrangement in position of strengthening rib (6) inside and outside wall.
6. The karst area bored pile structure according to claim 1, wherein:
the main reinforcement (4) is provided with a plurality of groups and runs through and install in the lantern ring (10), the top and the bottom of main reinforcement (4) respectively with solid fixed ring (3) and support base (8) fixed connection, side supporting disk (7) are provided with a plurality of groups and the block installs the outer wall at strengthening rib (6).
7. The karst area bored pile structure according to claim 1, wherein:
interior bearing structure (5) are through being provided with the inside of a plurality of groups bracing piece (11) fixed mounting at strengthening rib (6), the outer wall of beaded finish (14) is provided with the one end block that snap ring (12) and bracing piece (11) are connected, the both ends of bracing piece (11) all are provided with connector (13), the other end of bracing piece (11) and the lantern ring (10) fixed connection that is located strengthening rib (6) inside, the mounting height of beaded finish (14) is higher than strengthening rib (6) and constitutes bearing structure.
CN202122782343.6U 2021-11-15 2021-11-15 Karst area drilling bored concrete pile structure Active CN216515545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122782343.6U CN216515545U (en) 2021-11-15 2021-11-15 Karst area drilling bored concrete pile structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122782343.6U CN216515545U (en) 2021-11-15 2021-11-15 Karst area drilling bored concrete pile structure

Publications (1)

Publication Number Publication Date
CN216515545U true CN216515545U (en) 2022-05-13

Family

ID=81529903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122782343.6U Active CN216515545U (en) 2021-11-15 2021-11-15 Karst area drilling bored concrete pile structure

Country Status (1)

Country Link
CN (1) CN216515545U (en)

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