CN210507422U - Manual hole digging cast-in-place pile for reinforcing retaining wall and reinforcement cage - Google Patents
Manual hole digging cast-in-place pile for reinforcing retaining wall and reinforcement cage Download PDFInfo
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- CN210507422U CN210507422U CN201921015357.1U CN201921015357U CN210507422U CN 210507422 U CN210507422 U CN 210507422U CN 201921015357 U CN201921015357 U CN 201921015357U CN 210507422 U CN210507422 U CN 210507422U
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Abstract
A manual hole digging and pouring pile for reinforcing a retaining wall and a reinforcement cage is characterized in that the retaining wall is arranged in a pile hole of a soil body, the whole retaining wall is of a cylindrical structure, the diameters of the upper parts of the retaining wall are the same, and the diameter of the bottom part of the retaining wall is gradually increased to form a horn-shaped opening; the outer wall of the retaining wall is tightly attached to the soil body, the inner wall is poured in sections, and each section is of a zigzag structure with a thick upper part and a thin lower part; the wall protection hanger is provided with a steel reinforcement cage, reinforcing ribs are arranged inside the steel reinforcement cage, and anti-bending spokes are supported in the reinforcing ribs along the diameter direction; the nail head of the retaining wall reinforcing nail is embedded inside the retaining wall, and the nail body extends outwards along the diameter direction of the retaining wall and is driven into a soil body. The utility model discloses an above-mentioned structure, the security of increase dado structure and steel reinforcement cage when guaranteeing construction safety, can increase the segmentation length of dado, strengthens steel reinforcement cage's wholeness for the construction progress has the characteristics of guaranteeing construction quality, construction speed is fast, anti settlement effect is excellent.
Description
Technical Field
The utility model relates to a building foundation construction field, concretely relates to carry out artifical bored concrete pile that digs that dado and steel reinforcement cage are consolidated.
Background
The manual hole digging cast-in-place pile is characterized in that the hole is formed in a manual mode, and compared with a mechanical hole digging cast-in-place pile, the manual hole digging cast-in-place pile has the advantages of being simple in construction, safe and stable, good in bearing capacity and the like. The manual hole digging and filling pile needs workers to work underground, construction is very dangerous under the condition of complex terrain, and accidents such as pile hole collapse and the like easily occur. The manual hole digging cast-in-place pile consists of a reinforcement retaining wall, an internal reinforcement cage and cast-in-place concrete, wherein the reinforcement retaining wall is used for ensuring the stability of a pile hole and preventing hole collapse, and the reinforcement cage and the concrete jointly form a cast-in-place pile bearing structure. The main weaknesses of the existing manual hole digging cast-in-place pile are as follows: the reinforced retaining wall poured in a segmented mode is not connected with the soil behind the wall, so that the stability is poor, the segmented retaining wall is short, and the construction progress is influenced; when the pile body is longer, the rigidity of the reinforcement cage is poor, and the reinforcement cage is easy to deform when being hoisted in place and installed. Therefore, it is necessary to improve the structure of the steel reinforcement cage for the stability of the retaining wall and the rigidity of the steel reinforcement cage, so as to satisfy the safety of construction and further improve the construction progress while ensuring the bearing capacity.
Disclosure of Invention
The utility model provides a manual hole digging and pouring pile for reinforcing the retaining wall and the reinforcement cage, wherein the retaining wall is arranged in the pile hole of the soil body, the whole retaining wall is of a cylindrical structure, the upper part of the retaining wall has the same diameter, and the bottom diameter of the retaining wall is gradually increased to form a horn-shaped opening; the outer wall of the retaining wall is tightly attached to the soil body, the inner wall is poured in sections, and each section is of a zigzag structure with a thick upper part and a thin lower part; the wall protection hanger is provided with a steel reinforcement cage, reinforcing ribs are arranged inside the steel reinforcement cage, and anti-bending spokes are supported in the reinforcing ribs along the diameter direction; the nail head of the retaining wall reinforcing nail is embedded inside the retaining wall, and the nail body extends outwards along the diameter direction of the retaining wall and is driven into a soil body. The utility model discloses an above-mentioned structure, the efficiency of construction that exists has been solved among the prior art is low, the period is long, and finished product quality is poor, unstable technical problem.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a carry out dado and reinforced (rfd) artifical hole bored concrete pile that digs of steel reinforcement cage which characterized in that: the soil pile is characterized in that a retaining wall is arranged in a pile hole of a soil body, the retaining wall is integrally of a cylindrical structure, the diameters of the upper parts of the retaining wall are the same, and the diameter of the bottom part of the retaining wall is gradually increased to form a horn-shaped opening; the outer wall of the retaining wall is tightly attached to the soil body, the inner wall is poured in sections, and each section is of a zigzag structure with a thick upper part and a thin lower part; the wall protection hanger is provided with a steel reinforcement cage, reinforcing ribs are arranged inside the steel reinforcement cage, and anti-bending spokes are supported in the reinforcing ribs along the diameter direction; the nail head of the retaining wall reinforcing nail is embedded inside the retaining wall, and the nail body extends outwards along the diameter direction of the retaining wall and is driven into a soil body.
The height of the trumpet-shaped opening at the bottom of the protective wall is 1000 mm.
The steel reinforcement cage be cylindrical, be equipped with strengthening rib and stirrup in, the strengthening rib is circular, uses the reinforcing bar diameter to be 16mm, the inside spoke one end and the strengthening rib welding of strengthening rib, the other end and the welding of strengthening rib centre of a circle department steel sheet node, the spoke uses the diameter to be 10mm reinforcing bar, is equipped with 8 anti bending spokes in every strengthening rib circle.
The dado be C20 concrete segmentation casting structure, inside is equipped with 8mm reinforcing bar, every section dado length 1100 mm. The upper opening of the protective wall is 200mm wide, the lower opening is 100mm wide, the inner part is in a sawtooth shape, and the protective wall is 100mm higher than the field.
Two adjacent sections of reinforcing steel bars of dado overlap joint 200mm, every section dado is equipped with 8 reinforcing nails at same cross section equidistance.
The reinforcing nail body is in a pointed shape and is inserted into a soil body by 300 mm; the nail head is embedded into the protective wall, the nail head is provided with an expanded head, the expanded head end is bound with the protective wall reinforcing mesh, and the expanded head end is poured into the protective wall.
The pile hole is narrow at the top and wide at the bottom, and the included angle between the pile hole and the vertical direction is 10 degrees, wherein the distance is 1500mm above the bottommost part of the pile hole.
The pile bottom is equipped with the enlarged footing, and the enlarged footing cross-section is the arc.
The utility model has the advantages that:
the utility model adopts the above structure, a carry out the artifical bored concrete pile that digs of dado and steel reinforcement cage reinforcement is provided, the utility model discloses mainly improve with pile body steel reinforcement cage to the dado, increase dado structural strength and security when guaranteeing construction safety, can increase the construction length of every section dado for the construction progress. Design the strengthening rib, the intensity of steel reinforcement cage is higher, simultaneously the utility model has the characteristics of the construction is simple, anti subsides the effect excellence etc.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the protective wall of the present invention.
Fig. 3 is a schematic view of the reinforcing rib of the present invention.
Detailed Description
A manual hole digging cast-in-place pile for reinforcing a retaining wall and a reinforcement cage is characterized in that a retaining wall 2 is arranged in a pile hole of a soil body, the integral retaining wall 2 is of a cylindrical structure, the diameters of the upper parts of the retaining wall 2 are the same, and the diameters of the bottom parts of the retaining wall 2 are gradually increased to form a horn-shaped opening; the outer wall of the protective wall 2 is tightly attached to a soil body, the inner wall is poured in sections, and each section is of a zigzag structure with a thick upper part and a thin lower part; the protective wall 2 is hung on a steel reinforcement cage 1, reinforcing ribs 7 are arranged inside the steel reinforcement cage, and anti-bending spokes 8 are supported in the reinforcing ribs 7 along the diameter direction; the nail head of the retaining wall reinforcing nail 6 is embedded in the retaining wall 2, and the nail body extends outwards along the diameter direction of the retaining wall 2 and is driven into a soil body.
The height of the trumpet-shaped opening at the bottom of the protective wall 2 is 1000 mm. The dado 2 is C20 concrete segmentation casting structure, and inside is equipped with 8mm reinforcing bar, and every section dado 2 is long 1100 mm. The upper opening 4 of the protective wall is 200mm wide, the lower opening 3 is 100mm wide, the inner part is in a sawtooth shape, and the protective wall 2 is 100mm higher than the field.
Reinforcement cage 1 be cylindrical, be equipped with strengthening rib 7 and stirrup in, strengthening rib 7 is circular, uses the reinforcing bar diameter to be 16mm, 8 one end of 7 inside spokes of strengthening rib and strengthening rib 7 welding, the other end and the welding of strengthening rib centre of a circle department steel sheet node 9, spoke 8 uses the diameter to be 10mm reinforcing bar, is equipped with 8 anti bending spoke 8 in 7 rings of every strengthening rib.
Two adjacent sections of reinforcing steel bars of dado 2 overlap joint 200mm, every section dado 2 is equipped with 8 and consolidates nail 6 in same cross section equidistance.
The nail body of the reinforcing nail 6 is in a pointed shape and is inserted into a soil body by 300 mm; the nail head is embedded into the protective wall 2, the nail head is provided with an expanded head, the expanded head end is bound with the reinforcing mesh of the protective wall 2, and the expanded head end is poured into the protective wall 2.
The pile hole is narrow at the top and wide at the bottom, and the included angle between the pile hole and the vertical direction is 10 degrees, wherein the distance is 1500mm above the bottommost part of the pile hole.
The bottom end of the pile is provided with an enlarged head 5, and the section of the enlarged head is arc-shaped.
The concrete steps during construction are as follows:
1. and (5) leveling the field, and forming holes at positioning points in an artificial mode.
2. When the pile is dug for 1100mm, reinforcing nails are driven into the middle upper part of the pile hole, the reinforcing nails are horizontally driven into the soil body, and 8 reinforcing nails are driven into each section of protective wall at equal intervals.
3. And binding the retaining wall reinforcing mesh with the reinforcing nail expanded head, overlapping adjacent retaining wall reinforcing steel bars by 200mm, installing a supporting template, and pouring C20 concrete, wherein the reinforced head of the reinforcing nail is ensured to be poured inside the retaining wall when the retaining wall is poured. Each section of the protective wall is 1100mm long, the upper opening is 200mm thick, and the lower opening is 100mm thick.
4. And continuously pouring the retaining wall downwards until the last 1.5m of the design depth is reached, wherein the retaining wall with the last 1.5m is narrow at the top and wide at the bottom and forms an included angle of 10 degrees with the vertical direction. And (5) after the design depth is reached, carrying out enlarged head construction and hole digging, and digging according to the design size.
5. The manufacturing method comprises the following steps of manufacturing a steel reinforcement cage, wherein the diameter of a main reinforcement of the steel reinforcement cage is 50mm, the diameter of a stirrup is 8mm, reinforcing ribs are 16mm, 8 anti-bending spokes are arranged in a reinforcing rib ring, one end of each spoke is welded with the corresponding reinforcing rib, the other end of each spoke is welded with a steel plate node at the center of the reinforcing rib, and the diameter of each spoke is 10 mm.
6. And (4) dismantling the retaining wall template, hoisting the pile body reinforcement cage, and pouring the cast-in-place pile.
Claims (8)
1. The utility model provides a carry out dado and reinforced (rfd) artifical hole bored concrete pile that digs of steel reinforcement cage which characterized in that: a protective wall (2) is arranged in a pile hole of a soil body, the protective wall (2) is integrally of a cylindrical structure, the diameters of the upper parts of the protective wall are the same, and the diameter of the bottom part of the protective wall is gradually increased to form a horn-shaped opening; the outer wall of the protective wall (2) is tightly attached to the soil body, the inner wall is poured in sections, and each section is of a zigzag structure with a thick upper part and a thin lower part; the protective wall (2) is hung on a steel reinforcement cage (1), reinforcing ribs (7) are arranged inside the steel reinforcement cage, and anti-bending spokes (8) are supported in the reinforcing ribs (7) along the diameter direction; the nail head of the retaining wall reinforcing nail (6) is embedded in the retaining wall (2), and the nail body extends outwards along the diameter direction of the retaining wall (2) and is driven into a soil body.
2. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: the height of the trumpet-shaped opening at the bottom of the protective wall (2) is 1000 mm.
3. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: reinforcement cage (1) be cylindrical, be equipped with strengthening rib (7) and stirrup in, strengthening rib (7) are circular, use the steel bar diameter to be 16mm, inside spoke (8) one end and strengthening rib (7) welding of strengthening rib (7), the other end and the welding of strengthening rib centre of a circle department steel sheet node (9), spoke (8) use the diameter to be 10mm reinforcing bar, be equipped with 8 anti bending spokes (8) in every strengthening rib (7) circle.
4. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: the retaining wall (2) be C20 concrete segmentation casting structure, inside is equipped with 8mm reinforcing bar, every section retaining wall (2) length 1100mm, retaining wall upper shed (4) width 200mm, end opening (3) width 100mm, inside is the sawtooth pattern, retaining wall (2) are higher than the place 100 mm.
5. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: two adjacent sections of steel bars of the protecting wall (2) are overlapped by 200mm, and 8 reinforcing nails (6) are equidistantly arranged on each section of the protecting wall (2) at the same cross section.
6. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: the nail body of the reinforcing nail (6) is in a pointed shape and is inserted into a soil body by 300 mm; the nail head is embedded into the protective wall (2), the nail head is provided with an expanded head, the expanded head end is bound with a reinforcing mesh of the protective wall (2), and the expanded head end is poured into the protective wall (2).
7. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: the pile hole is narrow at the top and wide at the bottom, and the included angle between the pile hole and the vertical direction is 10 degrees, wherein the distance is 1500mm above the bottommost part of the pile hole.
8. The manual cast-in-place pile for reinforcing the retaining wall and the reinforcement cage according to claim 1, wherein: the bottom end of the pile is provided with an enlarged head (5), and the section of the enlarged head is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015357.1U CN210507422U (en) | 2019-07-02 | 2019-07-02 | Manual hole digging cast-in-place pile for reinforcing retaining wall and reinforcement cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015357.1U CN210507422U (en) | 2019-07-02 | 2019-07-02 | Manual hole digging cast-in-place pile for reinforcing retaining wall and reinforcement cage |
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| CN210507422U true CN210507422U (en) | 2020-05-12 |
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| CN201921015357.1U Active CN210507422U (en) | 2019-07-02 | 2019-07-02 | Manual hole digging cast-in-place pile for reinforcing retaining wall and reinforcement cage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809619A (en) * | 2020-08-21 | 2020-10-23 | 中冶建工集团有限公司 | Construction process for protecting wall of worker bored pile required to pass through waste tunnel |
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2019
- 2019-07-02 CN CN201921015357.1U patent/CN210507422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809619A (en) * | 2020-08-21 | 2020-10-23 | 中冶建工集团有限公司 | Construction process for protecting wall of worker bored pile required to pass through waste tunnel |
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