CN214940059U - Bionic structure soft soil foundation pile foundation - Google Patents
Bionic structure soft soil foundation pile foundation Download PDFInfo
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- CN214940059U CN214940059U CN202121401437.8U CN202121401437U CN214940059U CN 214940059 U CN214940059 U CN 214940059U CN 202121401437 U CN202121401437 U CN 202121401437U CN 214940059 U CN214940059 U CN 214940059U
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Abstract
The utility model discloses a bionic structure weak soil foundation pile basis, including precast concrete pile body and slip casting pipeline two parts. The section of the pile body is circular; the protruding cylindrical ribs are distributed along the pile body; reserving the position of a grouting pipeline in the cylindrical rib, splicing the prefabricated pile body with the grouting pipeline after the prefabricated pile body is formed to form a whole, and driving the whole into a soft soil foundation; when the pile is driven to a preset depth, pressure grouting is carried out through a grouting pipeline, the bearing capacity of the pile foundation is improved, and the negative frictional resistance of the pile body is reduced. The utility model discloses a pile foundation is the bionical stake based on tooth, and cylindrical rib is the simulation and is located the fibre between gum and periodontal membrane, and the slip casting then is simulation alveolar bone, lets the pile body inlay solid among the soil body, has improved pile body bearing capacity and resistance to plucking ability, has reduced the ground and has subsided.
Description
Technical Field
The utility model relates to a pile foundation construction field, concretely relates to bionic structure weak soil foundation pile basis.
Background
Most of soft soil foundations exist in the southeast coast, so that the problems of uneven settlement or overlarge settlement and insufficient bearing capacity of the foundations are caused. The existing pile foundation needs to be driven to a harder bearing layer covered under a soft soil layer in order to improve bearing capacity and reduce settlement. In some places, the thickness of the soft soil layer is too large, so that the pile body is usually required to be lengthened, the size of the section of the pile is increased, and the cost is greatly increased.
Therefore, it is necessary to develop a pile structure capable of solving the above problems.
Disclosure of Invention
The utility model aims at providing a bionic structure weak soil foundation pile basis to solve the problem that exists among the prior art.
For realizing the utility model discloses the technical scheme that the purpose adopted is such, a bionic structure soft soil foundation pile basis, including reinforced concrete prefabricated pile body and slip casting pipeline.
The reinforced concrete prefabricated pile body is hollow and open at the upper end, a plurality of cylindrical ribs are arranged on the outer wall of the reinforced concrete prefabricated pile body, the cylindrical ribs are of cylindrical structures, and the cylindrical ribs are communicated with a cavity of the reinforced concrete prefabricated pile body.
The grouting pipeline comprises a grouting main pipeline, a grouting branch pipeline and an extension pipeline, wherein the grouting main pipeline is vertically installed in a cavity of the reinforced concrete prefabricated pile body and is close to the upper end of the reinforced concrete prefabricated pile body.
The lower extreme of slip casting trunk line is connected with a plurality of slip casting small transfer lines, and the slip casting small transfer line is vertical to be set up, is connected with a plurality of pipelines that stretch out on every slip casting small transfer line, and a plurality of pipelines that stretch out insert in the cylindrical rib that corresponds and sealing connection.
The lower end of each grouting branch pipeline is open, a plurality of through holes penetrating through the lower end face of the cavity are formed in the bottom of the cavity of the reinforced concrete prefabricated pile body, and the lower ends of the grouting branch pipelines are inserted into the through holes in the bottom of the reinforced concrete prefabricated pile body respectively.
When the construction is completed, the reinforced concrete prefabricated pile body is located in the soft soil, concrete is injected into the soil around the reinforced concrete prefabricated pile body and at the bottom through a grouting pipeline, and cast-in-place concrete is filled in the cavity of the reinforced concrete prefabricated pile body.
Further, the lower extreme of slip casting trunk line is connected with the switching pipe of a plurality of level, is provided with the external screw thread on the switching pipe.
Every the switching pipe passes through horizontal connecting pipe and is connected with the slip casting small transfer line that corresponds, and the one end and the upper end of slip casting small transfer line of horizontal connecting pipe are connected, and the other end is provided with the external screw thread.
One end of the nut is screwed into the adapter tube and is tightly welded and fixed, and the other end of the nut is screwed into the horizontal connecting tube and is tightly welded and fixed.
Furthermore, the cross section of the reinforced concrete prefabricated pile body is circular, M cylindrical rib vertical columns are arranged on the reinforced concrete prefabricated pile body, each cylindrical rib vertical column comprises N cylindrical ribs which are arranged along the axial direction of the reinforced concrete prefabricated pile body at equal intervals, the M cylindrical rib vertical columns are arranged along the circumferential direction of the reinforced concrete prefabricated pile body at equal intervals, and M is more than or equal to 2 and is less than N. The distance between the cylindrical rib at the uppermost end and the top of the reinforced concrete prefabricated pile body is 1-2 m.
Furthermore, a reinforcement cage is arranged in the concrete prefabricated by the reinforced concrete prefabricated pile body, and the reinforcement cage comprises M (N-1) main reinforcements I, M main reinforcements II, a plurality of main reinforcements III and M main reinforcements IV.
The main reinforcement I comprises a vertical section I, and the upper end and the lower end of the vertical section I are bent towards the direction away from the axis of the reinforced concrete prefabricated pile body to form two bending sections I.
The main reinforcement II comprises a vertical section II, and the lower end of the vertical section II is bent to the direction back to the axis of the reinforced concrete prefabricated pile body to form a bent section II.
The main reinforcement IV comprises a vertical section IV, and the upper end of the vertical section IV is bent to the direction away from the axis of the reinforced concrete prefabricated pile body to form a bent section IV. The bending section I, the bending section II and the bending section IV are all horizontal and consistent in length.
M main muscle II is arranged along the circumference of reinforced concrete precast pile body equidistant, has arranged a plurality of vertical main muscle III between every two adjacent main muscle II, and main muscle III leads to long setting along the axial of reinforced concrete precast pile body.
And (N-1) main ribs I are arranged at the lower end of each main rib II, the (N-1) main ribs I are arranged at equal intervals along a vertical line where the vertical section II is located, and a main rib IV is arranged below the main rib I at the lowest end.
Each bending section II and the bending section I at the uppermost end in the same row have a gap, each bending section IV and the bending section I at the lowermost end in the same row have a gap, N notches are formed by (N-1) bending sections I, one bending section II and one bending section IV in the same row, and the N notches correspond to N cylindrical ribs of a cylindrical rib vertical row.
Vertical section II, vertical section I and vertical section IV are all fixed through a plurality of stirrups I and a plurality of main muscle III, and bending section II is fixed through a plurality of stirrups II with bending section I of the top in the same row, and two bending sections I that are close to each other are fixed through a plurality of stirrups II, and bending section IV is fixed through a plurality of stirrups II with bending section I of the bottom in the same row.
Further, the stirrups I are encrypted in the area close to the cylindrical rib and at the two ends of the reinforced concrete precast pile body.
The technical effect of the utility model is undoubted, the utility model discloses based on the characteristics of bionical tooth root, be equipped with protruding cylindrical rib at the pile body to the slip casting pipeline has been arranged to pile body inside. The bearing capacity of the pile foundation in the soft soil foundation can be greatly improved through the supporting effect of the cylindrical ribs in the soil body and the effect of reinforcing the surrounding soil body through grouting, the foundation settlement is reduced, the uplift resistance effect of the pile body is improved, and the construction cost is saved under the condition of achieving the same effect.
Drawings
Fig. 1 is an overall schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a grouting line;
FIG. 3 is a longitudinal sectional view of a reinforced concrete prefabricated pile body;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 7 is a schematic view of a main rib I;
FIG. 8 is a diagram showing the positional relationship between a main rib I and a main rib II;
fig. 9 is a diagram showing the positional relationship between the main rib i and the main rib iv.
In the figure: the reinforced concrete precast pile body comprises a reinforced concrete precast pile body 1, a grouting pipeline 2, a nut 3, a cylindrical rib 12, a main rib I13, a vertical section I1301, a bent section I1302, a stirrup I15, a stirrup II 16, a main rib II 17, a vertical section II 1701, a bent section II 1702, a main rib III 18, a main rib IV 19, a vertical section IV 1901, a bent section IV 1902, a grouting main pipeline 21, a grouting branch pipeline 22, an extension pipeline 23 and a horizontal connecting pipe 24.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
the embodiment discloses a bionic structure soft soil foundation pile foundation, which comprises a reinforced concrete prefabricated pile body 1 and a grouting pipeline 2.
Referring to fig. 1, the interior of the reinforced concrete prefabricated pile body 1 is hollow and the upper end of the reinforced concrete prefabricated pile body is open, the cross section of the reinforced concrete prefabricated pile body 1 is circular, M cylindrical rib vertical columns are arranged on the reinforced concrete prefabricated pile body 1, each cylindrical rib vertical column comprises N cylindrical ribs 12 which are arranged along the axial direction of the reinforced concrete prefabricated pile body 1 at equal intervals, the interval is 1M, the M cylindrical rib vertical columns are arranged along the circumferential direction of the reinforced concrete prefabricated pile body 1 at equal intervals, and M is more than or equal to 2 and is less than N. The distance between the cylindrical rib 12 at the uppermost end and the top of the reinforced concrete prefabricated pile body 1 is 1-2 m. In the embodiment, M is 3, N is 8, and the uppermost cylindrical rib 12 is 1M away from the top of the reinforced concrete precast pile body 1.
The cylindrical ribs 12 are of a cylindrical structure, and the cylindrical ribs 12 are communicated with the cavity of the reinforced concrete prefabricated pile body 1.
Referring to fig. 2, the grouting pipeline 2 comprises a main grouting pipeline 21, a branch grouting pipeline 22 and an extension pipeline 23, and the main grouting pipeline 21 is vertically installed in the cavity of the prefabricated reinforced concrete pile body 1 and close to the upper end of the prefabricated reinforced concrete pile body 1.
The lower extreme of slip casting trunk line 21 is connected with three horizontally switching pipes, is provided with the external screw thread on the switching pipe. Every the adapter tube passes through horizontal connecting pipe 24 and is connected with the slip casting small transfer line 22 that corresponds, and slip casting small transfer line 22 is vertical to be set up, and horizontal connecting pipe 24's one end is connected with slip casting small transfer line 22's upper end, and the other end is provided with the external screw thread.
One end of the nut 3 is screwed into the adapter tube and is tightly welded and fixed, and the other end is screwed into the horizontal connecting tube 24 and is tightly welded and fixed.
Each grouting branch pipe 22 is connected with 8 extending pipes 23, the 8 extending pipes 23 are inserted into the corresponding cylindrical ribs 12 and are connected in a sealing mode, and the end portions of the extending pipes 23 are flush with the end portions of the cylindrical ribs 12.
The lower end of each grouting branch pipeline 22 is open, 3 through holes penetrating through the lower end face of the cavity of the reinforced concrete prefabricated pile body 1 are formed in the bottom of the cavity of the reinforced concrete prefabricated pile body 1, and the lower ends of the 3 grouting branch pipelines 22 are inserted into the 3 through holes in the bottom of the reinforced concrete prefabricated pile body 1 respectively.
Referring to fig. 3, a reinforcement cage is arranged in the concrete prefabricated by the reinforced concrete prefabricated pile body 1, and the reinforcement cage comprises 21 main reinforcements i 13, 3 main reinforcements ii 17, 9 main reinforcements iii 18 and 3 main reinforcements iv 19.
Referring to fig. 7, the main reinforcement i 13 includes a vertical section i 1301, and the upper and lower ends of the vertical section i 1301 are bent in a direction away from the axis of the reinforced concrete precast pile body 1 to form two bent sections i 1302.
Referring to fig. 8, the main reinforcement ii 17 includes a vertical section ii 1701, and a lower end of the vertical section ii 1701 is bent away from the axis of the reinforced concrete precast pile body 1 to form a bent section ii 1702.
Referring to fig. 9, the main reinforcement iv 19 includes a vertical section iv 1901, and an upper end of the vertical section iv 1901 is bent to a direction away from the axis of the reinforced concrete prefabricated pile body 1 to form a bent section iv 1902. The bending section I1302, the bending section II 1702 and the bending section IV 1902 are all horizontal and consistent in length.
3 main muscle II 17 are arranged along the circumference of reinforced concrete precast pile body 1 equidistant, have arranged 3 vertical main muscle III 18 between every two adjacent main muscle II 17, and main muscle III 18 sets up along the axial full length of reinforced concrete precast pile body 1.
Referring to fig. 3, 7 main ribs i 13 are arranged at the lower end of each main rib ii 17, the 7 main ribs i 13 are arranged at equal intervals along a vertical line where the vertical section ii 1701 is located, and a main rib iv 19 is arranged below the main rib i 13 at the lowest end.
Referring to fig. 8, each of the bent segments ii 1702 has a gap with the uppermost bent segment i 1302 in the same row, referring to fig. 9, each of the bent segments iv 1902 has a gap with the lowermost bent segment i 1302 in the same row, and 7 bent segments i 1302, one bent segment ii 1702 and one bent segment iv 1902 in the same row form 8 notches, and the 8 notches correspond to 8 cylindrical ribs 12 in one vertical column of cylindrical ribs.
The bending section II 1702 and the bending section I1302 at the uppermost end in the same row are fixed through a plurality of stirrups II 16, referring to fig. 6, two bending sections I1302 close to each other are fixed through a plurality of stirrups II 16, and the bending section IV 1902 and the bending section I1302 at the lowermost end in the same row are fixed through a plurality of stirrups II 16.
In the construction process, the reinforced concrete prefabricated pile body 1 is sunk to the preset depth of soft soil, concrete is injected into the soil around the reinforced concrete prefabricated pile body 1 and at the bottom of the reinforced concrete prefabricated pile body through a grouting pipeline 2, and the grouting pressure is 0.5-2 Mpa according to the soil quality. Concrete is cast in situ in the cavity of the reinforced concrete prefabricated pile body 1 to form a concrete solid pile, the grouting pipeline 2 is also embedded in the pile body to provide bearing capacity, and the integral rigidity of the pile body is further improved.
The pile foundation described in this embodiment is a bionic pile based on teeth, the cylindrical ribs 12 simulate fibers between gingiva and periodontal ligament, greatly improving the side frictional resistance of the pile, simulating alveolar bone around the reinforced concrete prefabricated pile body 1 and at the bottom hardened concrete, and embedding the pile body in the soil body, improving the bearing capacity and the anti-pulling capacity of the pile body and reducing the foundation settlement.
It is worth explaining that, the pile foundation of this embodiment can greatly improve the bearing capacity of the pile under the condition of the same pile length and pile diameter, reduce foundation settlement, reduce the negative frictional resistance of the pile body, improve the tensile and anti-pulling effect, and can simultaneously achieve the effect of foundation reinforcement, thereby greatly saving the construction cost.
Example 2:
the embodiment discloses a bionic structure soft soil foundation pile foundation, which comprises a reinforced concrete prefabricated pile body 1 and a grouting pipeline 2.
Referring to fig. 1 or 3, the reinforced concrete prefabricated pile body 1 is hollow and has an open upper end, a plurality of cylindrical ribs 12 are arranged on the outer wall of the reinforced concrete prefabricated pile body 1, the cylindrical ribs 12 are of a cylindrical structure, and the cylindrical ribs 12 are communicated with the cavity of the reinforced concrete prefabricated pile body 1.
Referring to fig. 2, the grouting pipeline 2 comprises a main grouting pipeline 21, a branch grouting pipeline 22 and an extension pipeline 23, and the main grouting pipeline 21 is vertically installed in the cavity of the prefabricated reinforced concrete pile body 1 and close to the upper end of the prefabricated reinforced concrete pile body 1.
The lower extreme of slip casting trunk line 21 is connected with a plurality of slip casting small transfer lines 22, and the vertical setting of slip casting small transfer line 22 is connected with a plurality of pipelines 23 that stretch out on every slip casting small transfer line 22, and a plurality of pipelines 23 that stretch out insert corresponding cylindrical rib 12 in and sealing connection.
The lower end of each grouting branch pipeline 22 is open, a plurality of through holes penetrating through the lower end face of the cavity of the reinforced concrete prefabricated pile body 1 are formed in the bottom of the cavity of the reinforced concrete prefabricated pile body 1, and the lower ends of the grouting branch pipelines 22 are inserted into the through holes in the bottom of the reinforced concrete prefabricated pile body 1 respectively.
When the construction is completed, the reinforced concrete prefabricated pile body 1 is positioned in the soft soil, concrete is injected into the soil around the reinforced concrete prefabricated pile body 1 and at the bottom through the grouting pipeline 2, and cast-in-place concrete is filled in the cavity of the reinforced concrete prefabricated pile body 1.
Example 3:
the main structure of this embodiment is the same as embodiment 2, and further, referring to fig. 2, the lower end of main grouting pipe 21 is connected with a plurality of horizontal adapter pipes, and the adapter pipes are provided with external threads.
Each adapter tube is connected with the corresponding grouting branch pipeline 22 through a horizontal connecting pipe 24, one end of the horizontal connecting pipe 24 is connected with the upper end of the grouting branch pipeline 22, and the other end of the horizontal connecting pipe is provided with an external thread.
One end of the nut 3 is screwed into the adapter tube and is tightly welded and fixed, and the other end is screwed into the horizontal connecting tube 24 and is tightly welded and fixed.
Example 4:
the main structure of this embodiment is the same as that of embodiment 2, and further, referring to fig. 1, the cross section of the reinforced concrete prefabricated pile body 1 is circular, M cylindrical rib columns are arranged on the reinforced concrete prefabricated pile body 1, each cylindrical rib column includes N cylindrical ribs 12 arranged at equal intervals along the axial direction of the reinforced concrete prefabricated pile body 1, the M cylindrical rib columns are arranged at equal intervals along the circumferential direction of the reinforced concrete prefabricated pile body 1, and M is greater than or equal to 2 and is less than N. The distance between the cylindrical rib 12 at the uppermost end and the top of the reinforced concrete prefabricated pile body 1 is 1-2 m, and the distance in the embodiment is 2 m.
Example 5:
the main structure of the embodiment is the same as that of embodiment 4, and further, a reinforcement cage is arranged in the concrete prefabricated by the reinforced concrete prefabricated pile body 1, and the reinforcement cage comprises M (N-1) main reinforcements i 13, M main reinforcements ii 17, a plurality of main reinforcements iii 18 and M main reinforcements iv 19.
Referring to fig. 7, the main reinforcement i 13 includes a vertical section i 1301, and the upper and lower ends of the vertical section i 1301 are bent in a direction away from the axis of the reinforced concrete precast pile body 1 to form two bent sections i 1302.
Referring to fig. 8, the main reinforcement ii 17 includes a vertical section ii 1701, and a lower end of the vertical section ii 1701 is bent away from the axis of the reinforced concrete precast pile body 1 to form a bent section ii 1702.
Referring to fig. 9, the main reinforcement iv 19 includes a vertical section iv 1901, and an upper end of the vertical section iv 1901 is bent to a direction away from the axis of the reinforced concrete prefabricated pile body 1 to form a bent section iv 1902. The bending section I1302, the bending section II 1702 and the bending section IV 1902 are all horizontal and consistent in length.
M main muscle II 17 are arranged along the circumference of reinforced concrete precast pile body 1 equidistant, have arranged a plurality of vertical main muscle III 18 between every two adjacent main muscle II 17, and main muscle III 18 sets up along the axial full length of reinforced concrete precast pile body 1.
Referring to fig. 3, the lower end of each main rib ii 17 is provided with (N-1) main ribs i 13, the (N-1) main ribs i 13 are arranged at equal intervals along a vertical line where the vertical section ii 1701 is located, and a main rib iv 19 is arranged below the main rib i 13 at the lowest end.
Each bending section II 1702 has a gap with the uppermost bending section I1302 in the same column, each bending section IV 1902 has a gap with the lowermost bending section I1302 in the same column, and N notches are formed by (N-1) bending sections I1302, one bending section II 1702 and one bending section IV 1902 in the same column, and correspond to N cylindrical ribs 12 in a vertical column of cylindrical ribs.
Vertical section II 1701, vertical section I1301 and vertical section IV 1901 all are fixed through a plurality of stirrups I15 and a plurality of main muscle III 18, and bending section II 1702 is fixed through a plurality of stirrups II 16 with bending section I1302 of the top in the same row, and two bending sections I1302 that are close to each other are fixed through a plurality of stirrups II 16, and bending section IV 1902 is fixed through a plurality of stirrups II 16 with bending section I1302 of the bottom in the same row.
Example 6:
the main structure of the embodiment is the same as that of embodiment 5, and further, the stirrups i 15 are encrypted in the areas close to the cylindrical ribs 12 and at the two ends of the reinforced concrete precast pile body 1.
Claims (5)
1. The utility model provides a bionic structure soft soil foundation pile foundation which characterized in that: comprises a reinforced concrete prefabricated pile body (1) and a grouting pipeline (2);
the reinforced concrete prefabricated pile body (1) is hollow and is provided with an opening at the upper end, a plurality of cylindrical ribs (12) are arranged on the outer wall of the reinforced concrete prefabricated pile body (1), the cylindrical ribs (12) are of a cylindrical structure, and the cylindrical ribs (12) are communicated with a cavity of the reinforced concrete prefabricated pile body (1);
the grouting pipeline (2) comprises a main grouting pipeline (21), a branch grouting pipeline (22) and an extension pipeline (23), wherein the main grouting pipeline (21) is vertically arranged in a cavity of the reinforced concrete prefabricated pile body (1) and is close to the upper end of the reinforced concrete prefabricated pile body (1);
the lower end of the main grouting pipeline (21) is connected with a plurality of grouting branch pipelines (22), the grouting branch pipelines (22) are vertically arranged, each grouting branch pipeline (22) is connected with a plurality of extension pipelines (23), and the extension pipelines (23) are inserted into corresponding cylindrical ribs (12) and are hermetically connected;
the lower end of each grouting branch pipeline (22) is open, a plurality of through holes penetrating through the lower end face of the cavity of the reinforced concrete prefabricated pile body (1) are formed in the bottom of the cavity of the reinforced concrete prefabricated pile body, and the lower ends of the grouting branch pipelines (22) are inserted into the through holes in the bottom of the reinforced concrete prefabricated pile body (1) respectively;
when the construction is completed, the reinforced concrete prefabricated pile body (1) is located in the soft soil, concrete is injected into the soil around the reinforced concrete prefabricated pile body (1) and at the bottom through the grouting pipeline (2), and cast-in-place concrete is filled in the cavity of the reinforced concrete prefabricated pile body (1).
2. The soft soil foundation pile foundation with the bionic structure as claimed in claim 1, wherein the pile foundation is characterized in that: the lower end of the main grouting pipeline (21) is connected with a plurality of horizontal adapter pipes, and external threads are arranged on the adapter pipes;
each adapter tube is connected with a corresponding grouting branch pipeline (22) through a horizontal connecting tube (24), one end of each horizontal connecting tube (24) is connected with the upper end of each grouting branch pipeline (22), and the other end of each horizontal connecting tube is provided with an external thread;
one end of the nut (3) is screwed into the adapter tube and is tightly welded and fixed, and the other end of the nut is screwed into the horizontal connecting tube (24) and is tightly welded and fixed.
3. The soft soil foundation pile foundation with the bionic structure as claimed in claim 1, wherein the pile foundation is characterized in that: the cross section of the reinforced concrete prefabricated pile body (1) is circular, M cylindrical rib vertical columns are arranged on the reinforced concrete prefabricated pile body (1), each cylindrical rib vertical column comprises N cylindrical ribs (12) which are arranged along the axial direction of the reinforced concrete prefabricated pile body (1) at equal intervals, the M cylindrical rib vertical columns are arranged along the circumferential direction of the reinforced concrete prefabricated pile body (1) at equal intervals, and M is more than or equal to 2 and is less than N; the distance between the cylindrical rib (12) at the uppermost end and the top of the reinforced concrete prefabricated pile body (1) is 1-2 m.
4. The soft soil foundation pile foundation with the bionic structure as claimed in claim 3, wherein the pile foundation is characterized in that: a reinforcement cage is arranged in the concrete prefabricated by the reinforced concrete prefabricated pile body (1), and the reinforcement cage comprises M (N-1) main reinforcements I (13), M main reinforcements II (17), a plurality of main reinforcements III (18) and M main reinforcements IV (19);
the main reinforcement I (13) comprises a vertical section I (1301), and the upper end and the lower end of the vertical section I (1301) are bent towards the direction away from the axis of the reinforced concrete precast pile body (1) to form two bending sections I (1302);
the main reinforcement II (17) comprises a vertical section II (1701), and the lower end of the vertical section II (1701) is bent towards the direction away from the axis of the reinforced concrete precast pile body (1) to form a bent section II (1702);
the main reinforcement IV (19) comprises a vertical section IV (1901), and the upper end of the vertical section IV (1901) is bent towards the direction away from the axis of the reinforced concrete prefabricated pile body (1) to form a bent section IV (1902); the bending section I (1302), the bending section II (1702) and the bending section IV (1902) are all horizontal and consistent in length;
m main reinforcements II (17) are arranged at equal intervals along the circumferential direction of the reinforced concrete prefabricated pile body (1), a plurality of vertical main reinforcements III (18) are arranged between every two adjacent main reinforcements II (17), and the main reinforcements III (18) are arranged along the axial direction of the reinforced concrete prefabricated pile body (1);
the lower end of each main rib II (17) is provided with (N-1) main ribs I (13), (N-1) main ribs I (13) are arranged at equal intervals along a vertical line where the vertical section II (1701) is located, and a main rib IV (19) is arranged below the main rib I (13) at the lowest end;
each bending section II (1702) has a gap with the uppermost bending section I (1302) in the same row, each bending section IV (1902) has a gap with the lowermost bending section I (1302) in the same row, N notches are formed by the (N-1) bending sections I (1302), one bending section II (1702) and one bending section IV (1902) in the same row, and the N notches correspond to the N cylindrical ribs (12) in the vertical row of the cylindrical ribs;
vertical section II (1701), vertical section I (1301) and vertical section IV (1901) all are fixed through a plurality of stirrups I (15) and a plurality of main muscle III (18), and bending section II (1702) is fixed through a plurality of stirrups II (16) with bending section I (1302) of top in the same row, and two bending sections I (1302) that are close to each other are fixed through a plurality of stirrups II (16), and bending section IV (1902) is fixed through a plurality of stirrups II (16) with bending section I (1302) of bottom in the same row.
5. The soft soil foundation pile foundation with the bionic structure as claimed in claim 4, wherein the pile foundation is characterized in that: the stirrups I (15) are encrypted in the area close to the cylindrical ribs (12) and at the two ends of the reinforced concrete precast pile body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401437.8U CN214940059U (en) | 2021-06-23 | 2021-06-23 | Bionic structure soft soil foundation pile foundation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121401437.8U CN214940059U (en) | 2021-06-23 | 2021-06-23 | Bionic structure soft soil foundation pile foundation |
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| CN214940059U true CN214940059U (en) | 2021-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397687A (en) * | 2023-05-26 | 2023-07-07 | 上海勘测设计研究院有限公司 | Composite pile foundation |
| CN116905465A (en) * | 2023-07-25 | 2023-10-20 | 西南石油大学 | Bionical pipe is used in soil body solidification based on microorganism mineralization technique |
-
2021
- 2021-06-23 CN CN202121401437.8U patent/CN214940059U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397687A (en) * | 2023-05-26 | 2023-07-07 | 上海勘测设计研究院有限公司 | Composite pile foundation |
| CN116905465A (en) * | 2023-07-25 | 2023-10-20 | 西南石油大学 | Bionical pipe is used in soil body solidification based on microorganism mineralization technique |
| CN116905465B (en) * | 2023-07-25 | 2024-02-09 | 西南石油大学 | Bionical pipe is used in soil body solidification based on microorganism mineralization technique |
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