CN212506361U - Novel high pile structure of newly-built dyke and land area - Google Patents
Novel high pile structure of newly-built dyke and land area Download PDFInfo
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- CN212506361U CN212506361U CN202021083047.6U CN202021083047U CN212506361U CN 212506361 U CN212506361 U CN 212506361U CN 202021083047 U CN202021083047 U CN 202021083047U CN 212506361 U CN212506361 U CN 212506361U
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Abstract
The utility model discloses a novel high pile structure of a newly-built embankment and land area, which relates to the technical field of high pile wharfs and comprises an inner pile foundation, wherein the lower part of the inner pile foundation is inserted into a good bearing soil layer; the outer sleeve is sleeved outside the inner pile foundation, a soft soil layer is inserted into the lower part of the outer sleeve, and a flexible material is poured between the outer sleeve and the inner pile foundation; the upper structure comprises a cast-in-place beam and an upper beam plate, the cast-in-place beam is poured on the top of the inner pile foundation, and the upper beam plate is laid on the cast-in-place beam. The utility model discloses an outer sleeve bears the settlement displacement of dyke and land territory in construction period, and the inner pile base bears the upper portion load of bridge to and the horizontal load such as wave, rivers of service life, protected bridge or pier's pile foundation, avoid dyke and land territory to the adverse effect of permanent pile foundation, separate short-term load and long-term load, adopt the outer sleeve that the service life is shorter to short-term load, adopt the inner pile base that satisfies the service life to bearing long-term load.
Description
Technical Field
The utility model relates to a technical field of high pile structure especially relates to a newly-built dyke and land area's high pile structure.
Background
For newly filled land areas and newly built dikes, the construction of wharf, bridge and other high-pile structures is often carried out near the dike, and when the wharf or bridge and other high-pile structures are constructed in the dike body area, the pile foundation type is usually a cast-in-situ bored pile or a cast-in-situ punched pile so as to penetrate through the dike body riprap layer and enter a lower good bearing layer. However, due to the requirements of geological conditions, construction processes, construction progress and the like, the formation of the dyke or land area and the wharf or bridge have cross construction, the settlement displacement of the dyke body and the rear land area of the dyke is not stable, the construction of high-pile structures such as the wharf or bridge is carried out at the moment, the pile foundation of the wharf or bridge is influenced by the settlement or displacement of the dyke or the land area, and the pile foundation is subjected to soil body negative friction and horizontal thrust. The combined structure of the inner pile and the outer pile can be adopted as a foundation type in the design and construction of a wharf or a bridge, so that the adverse effects of the settlement and the displacement of a dike or a land area on a high-pile structure pile foundation can be avoided. The safety and the reliability of the wharf or the bridge in long-term use are ensured.
SUMMERY OF THE UTILITY MODEL
To the problem of the aforesaid production, the utility model aims to provide a novel high pile structure in newly-built embankment and land territory has solved the influence of subsiding, displacement to the pile foundation of embankment dyke body and rear land territory.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a novel high pilework of newly-built embankment and land territory, high pilework sets up the side of leaning on the sea at embankment and land territory, include:
the lower part of the inner pile foundation is inserted into a good-holding-force soil layer;
the inner diameter of the outer sleeve is larger than the outer diameter of the inner pile foundation, the outer sleeve is sleeved outside the inner pile foundation, a soft soil layer is inserted into the lower portion of the outer sleeve, and a flexible material is poured between the outer sleeve and the inner pile foundation;
the upper structure comprises a cast-in-place beam and an upper beam plate, the cast-in-place beam is poured on the top of the inner pile foundation, and the upper beam plate is laid on the cast-in-place beam.
The novel high pile structure of the newly-built embankment and land area is characterized in that the top height of the outer sleeve is smaller than that of the inner pile foundation, and the outer sleeve is spaced from the upper structure.
The novel high pile structure of the newly-built embankment and land area is characterized in that the flexible material is sand or water.
The novel high pile structure of the newly-built embankment and land area is characterized in that the inner pile foundation is positioned on one side, far away from the embankment and the land area, in the outer sleeve.
The novel high pile structure of the newly-built embankment and land area is characterized in that the outer sleeve is a thin-wall steel pipe pile.
The novel high pile structure of the newly-built embankment and land area is characterized in that the inner pile base is a driven pile, a cast-in-place pile or a rock-socketed pile.
The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:
1. the utility model discloses an outer sleeve bears the settlement displacement of dyke and land territory during construction, and the inner pile base bears the upper portion load of bridge to and the horizontal load such as wave, rivers of service life, protected bridge or pier's pile foundation, avoid dyke and land territory to the adverse effect of permanent pile foundation.
2. The utility model discloses with short-term load and long-term load separation, adopt the short outer sleeve of service life to short-term load, adopt the interior pile foundation who satisfies the service life to bearing long-term load to the outer sleeve can regard as construction period to wear the dyke construction and protect a section of thick bamboo, reaches and accelerates construction speed, can reduce the life of pile foundation in engineering investment, guarantee pier or the bridge.
Drawings
Fig. 1 is the structural schematic diagram of the novel high pile structure of the new dike and land area of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is an installation schematic diagram of the inner pile foundation and the outer sleeve of the present invention.
Reference numerals: 1. a dike; 2. a land area; 3. an inner pile foundation; 4. an outer sleeve; 5. a flexible material; 6. a superstructure; 61. casting a beam in situ; 62. an upper beam panel; 7. a good sustaining soil layer; 8. and (4) a soft soil layer.
Detailed Description
An object of the utility model is to provide a novel high pilework of newly-built embankment and land territory, be applicable to embankment and land territory subside, the displacement is not yet stable, the formation of embankment and land territory has the crisscross condition with the construction of pier or bridge, novel high pilework sets up between embankment and land territory and the pier or the bridge that are constructing, avoids embankment and land territory to subside, the displacement is to the adverse effect of high pilework, guarantees the safe and reliable of pier or bridge long-term use.
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural view of a new high pile structure of a new dike and land area according to the present invention; fig. 2 is an enlarged view of the present invention at a in fig. 1; fig. 3 is an installation schematic diagram of the inner pile foundation and the outer sleeve of the present invention.
The embodiment of the utility model provides a novel high pilework of newly-built embankment and land area, high pilework set up at embankment 1 and land area 2 lean on the sea side, including inner pile foundation 3, outer sleeve 4 and superstructure 6.
Wherein, good holding power soil layer 7 is inserted to the lower part of interior pile foundation 3, the internal diameter of outer sleeve 4 is greater than the external diameter of interior pile foundation 3, outer sleeve 4 cover is established outside interior pile foundation 3, soft soil layer 8 is inserted to the lower part of outer sleeve 4, soft soil layer 8 is located the upside of good holding power soil layer 7, pour into flexible material 5 between outer sleeve 4 and the interior pile foundation 3, outer sleeve 4 and interior pile foundation 3 divide the work and bear the power, outer sleeve 4 mainly bears the soil body load of embankment 1 and land area 2 stationary phase as temporary structure, interior pile foundation 3 is permanent structure, it mainly bears the wave of long-term use with pier or bridge superstructure connection, the rivers, superstructure and upper portion use load, and construction convenience.
The superstructure 6 comprises cast-in-place beams 61 and upper beam plates 62, the cast-in-place beams 61 are cast on top of the inner pile foundations 3, and the upper beam plates 62 are laid on the cast-in-place beams 61.
It should be noted that the terms "lower" and "top" as used herein are defined with reference to the relative positions of the components in the drawings of the present invention, and are used for clarity and convenience of description, and it should be understood that the terms should not be used to limit the scope of the present application.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, the top height of the outer sleeve 4 is less than the top height of the inner pile foundation 3, and the upper load is borne by the inner pile foundation 3.
The utility model discloses a further embodiment, flexible material 5 adopts the loose material of sand or water, and outer sleeve 4 receives can extrude inside flexible material 5 behind the effort that dyke 1 and land area 2 subside, the displacement, bears the influence of subsiding and the displacement of dyke 1 and land area 2 stationary phase.
The utility model discloses a further embodiment, interior pile foundation 3 is located one side of keeping away from dyke 1 and land 2 in outer sleeve 4, and outer sleeve 4 mainly bears the effort of dyke 1 and land 2, and outer sleeve 4 can be to being close to 3 direction displacements of interior pile foundation, avoids outer sleeve 4 displacement to cause the influence to interior pile foundation 3.
In a further embodiment of the present invention, the outer sleeve 4 is a thin-walled steel pipe pile, and the outer sleeve 4 is not connected to the superstructure 6.
The utility model discloses a further embodiment, interior pile foundation 3 adopts driven pile, bored concrete pile or socketed pile according to actual engineering geological conditions.
The construction flow of the present application is explained next:
(1) determining the length and the outer diameter of the outer sleeve 4 according to the thickness of the soft soil layer 8 and the results of settlement and displacement calculation of the dyke 1 and the land area 2;
(2) calculating the bearing capacity of the pile foundation according to the current specification of the pile foundation structure, deducting the pile foundation side resistance within the length range of the outer sleeve 4, determining the pile length of the inner pile foundation 3, and transporting the outer sleeve 4 and the inner pile foundation 3 to a construction site;
(3) constructing the outer sleeve 4, inserting the lower part of the outer sleeve 4 into the soft soil layer 8, and emptying soil in the range of the soft soil layer 8 in the outer sleeve 4;
(4) constructing an inner pile foundation 3, inserting the lower part of the inner pile foundation 3 into a good-holding-force soil layer 7, and pouring a flexible material 5 between an outer sleeve 4 and the inner pile foundation 3;
(5) and pouring cast-in-place cross beams 61 and upper beam plates 62 on the tops of the inner pile foundations 3.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a novel high pilework of newly-built embankment and land area, high pilework sets up the side of leaning on the sea at embankment (1) and land area (2), a serial communication port, include:
the lower part of the inner pile foundation (3) is inserted into a good bearing soil layer (7);
the inner diameter of the outer sleeve (4) is larger than the outer diameter of the inner pile foundation (3), the outer sleeve (4) is sleeved outside the inner pile foundation (3), a soft soil layer (8) is inserted into the lower portion of the outer sleeve (4), and a flexible material (5) is poured between the outer sleeve (4) and the inner pile foundation (3);
the upper structure (6) comprises cast-in-place beams (61) and upper beam plates (62), the cast-in-place beams (61) are poured on the top of the inner pile foundation (3), and the upper beam plates (62) are laid on the cast-in-place beams (61).
2. The new high pile structure of new dyke and land area as claimed in claim 1, characterized in that the top height of the outer sleeve (4) is smaller than the top height of the inner pile foundation (3).
3. The new high pile structure of new dyke and land area according to claim 1, characterized in that the flexible material (5) is sand or water.
4. The new high pile construction of new dyke and land area according to claim 1, characterized in that the inner pile foundation (3) is located in the outer sleeve (4) on the side away from dyke (1) and land area (2).
5. The new high pile structure of new dyke and land area according to claim 1, characterized in that the outer sleeve (4) is thin-walled steel pipe pile.
6. The new high pile structure of new-built dyke and land area according to claim 1, characterized in that the inner pile foundation (3) is driven pile, cast-in pile or rock-socketed pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083047.6U CN212506361U (en) | 2020-06-12 | 2020-06-12 | Novel high pile structure of newly-built dyke and land area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083047.6U CN212506361U (en) | 2020-06-12 | 2020-06-12 | Novel high pile structure of newly-built dyke and land area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506361U true CN212506361U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021083047.6U Active CN212506361U (en) | 2020-06-12 | 2020-06-12 | Novel high pile structure of newly-built dyke and land area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506361U (en) |
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2020
- 2020-06-12 CN CN202021083047.6U patent/CN212506361U/en active Active
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