CN219794019U - Construction structure for realizing anti-floating of structure by utilizing existing support piles - Google Patents
Construction structure for realizing anti-floating of structure by utilizing existing support piles Download PDFInfo
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- CN219794019U CN219794019U CN202320779489.1U CN202320779489U CN219794019U CN 219794019 U CN219794019 U CN 219794019U CN 202320779489 U CN202320779489 U CN 202320779489U CN 219794019 U CN219794019 U CN 219794019U
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- side wall
- floating
- reinforcement cage
- crown beam
- construction structure
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 2
- 239000003673 groundwater Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the field of underground space engineering, in particular to a construction structure for realizing structural anti-floating by utilizing existing support piles, which comprises the following components: the steel reinforcement cage, the bottom plate, the crown beam and the side wall, wherein the bottom plate is positioned at the lower end of the crown beam, the side wall is positioned at one side of the crown beam, and the upper end of the crown beam is connected with the side wall anti-floating cantilever plate through reserved anchor bars; a plurality of anchor rods are uniformly and fixedly arranged on the side wall of one end of the reinforcement cage, and one end of each anchor rod is positioned in the side wall and connected with the reinforcement in the side wall; the upper end of the reinforcement cage is connected with the reinforcement inside the crown beam; the crown beam, the side wall anti-floating cantilever plate and the side wall of the main body structure of the supporting structure are connected into a whole to serve as anti-floating piles of the supporting structure, the original supporting structure is utilized, and the number of the supporting piles and the anti-floating anchor rods is reduced or canceled on the basis of not reducing the anti-floating capacity of the structure, so that the purpose of reducing the engineering cost is achieved.
Description
Technical Field
The utility model relates to the field of underground space engineering, in particular to a construction structure for realizing structural anti-floating by utilizing existing support piles.
Background
With the rapid development of cities, effective utilization of underground space is a necessary trend, and underground tunnels, underground pipe galleries and subway stations also become standard of urban infrastructure. Because of the abundant groundwater in the gaps of the soil body and the cracks of the rock body, the groundwater has an upward floating effect on the underground structure buried below the surface water level, and the underground structure floats upwards and even the components are destroyed due to the excessive buoyancy of the groundwater. There are cases in China that underground structural engineering is damaged due to improper anti-floating measures.
The anti-floating method adopted at present is to drive anti-floating anchor rods or anti-floating piles into a substrate, anchor the anti-floating anchor rods and the anti-floating piles into a structural raft during foundation slab construction, and provide downward pulling force through the anti-floating anchor rods and the anti-floating piles to resist the buoyancy of groundwater to a main body structure. The support piles around the foundation pit end historical life after the construction of the main body structure is completed, and the support piles are not utilized, so that waste is caused.
Disclosure of Invention
The utility model aims to provide a construction structure for realizing the anti-floating of a structure by utilizing the existing support piles, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a construction structure for realizing structural anti-floating by using an existing support pile, comprising: the steel reinforcement cage, the bottom plate, the crown beam and the side wall, wherein the bottom plate is positioned at the lower end of the crown beam, the side wall is positioned at one side of the crown beam, and the upper end of the crown beam is connected with the side wall anti-floating cantilever plate through reserved anchor bars;
a plurality of anchor rods are uniformly and fixedly arranged on the side wall of one end of the reinforcement cage, and one end of each anchor rod is positioned in the side wall and connected with the reinforcement in the side wall;
the upper end of the reinforcement cage is connected with the reinforcement inside the crown beam.
Preferably, the length of the anchor rod extending into the reinforcement cage is larger than the radius of the reinforcement cage, the anchor rod extends into the side wall in the later period, and the anchor rod is bent firstly to be attached to the outer wall of the reinforcement cage.
Preferably, when the support pile is arranged below the reinforcement cage, the direction of one side wall of the installation anchor rod faces the direction of the side wall.
Preferably, the crown beam is inserted with upward reserved anchor bars, and the embedded length and the exposed length of the reserved anchor bars are both larger than the radius of the reinforcement cage.
Preferably, the anchor rod is straightened towards the side wall direction, and the waterproof node of the anchor rod is reinforced.
Preferably, the reinforcing steel bars in the side walls and the parts of the anchor rods, which are inserted into the side walls, are poured by concrete, so that the support piles and the side walls of the main body structure are connected into a whole.
Preferably, the anti-floating cantilever plate in the side wall anti-floating cantilever plate and the steel bars in the side wall are bound, and the side wall anti-floating cantilever plate and the side wall are together used for concrete casting, so that the crown beam of the support structure, the anti-floating cantilever plate of the side wall and the side wall of the main body structure are connected into a whole.
Compared with the prior art, the utility model has the beneficial effects that:
the crown beam, the side wall anti-floating cantilever plates and the side wall of the main body structure are connected into a whole to serve as anti-floating piles of the supporting structure, the original supporting structure is utilized, and the number of the supporting piles and the anti-floating anchor rods is reduced or canceled on the basis of not reducing the anti-floating capacity of the structure, so that the aim of reducing the construction cost is achieved.
Drawings
Fig. 1 is a schematic diagram of the connection of a reinforcement cage and an anchor rod according to the present utility model;
FIG. 2 is a schematic diagram of the connection of a crown beam reserved anchor bar and a side wall anti-floating cantilever plate;
fig. 3 is a schematic diagram of a reserved range of the side wall anti-floating anchor rib.
In the figure: 1. a reinforcement cage; 2. a bolt; 3. a bottom plate; 4. a side wall; 5. a crown beam; 6. reserving anchor bars; 7. a side wall anti-floating cantilever plate; 8. anti-floating cantilever plate connecting ribs.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 3, the present utility model provides a technical solution: comprising the following steps: the steel reinforcement cage 1, the bottom plate 3, the crown beam 5 and the side wall 4, wherein the bottom plate 3 is positioned at the lower end of the crown beam 5, the side wall 4 is positioned at one side of the crown beam 5, and the upper end of the crown beam 5 is connected with the side wall anti-floating cantilever plate 7 through the reserved anchor bars 6;
a plurality of anchor rods 2 are uniformly and fixedly arranged on the side wall of one end of the reinforcement cage 1, one end of each anchor rod 2 is positioned in the side wall 4 and is connected with reinforcement bars in the side wall 4, the length of each anchor rod 2 extending into the reinforcement cage 1 is larger than the radius of the reinforcement cage 1, the anchor rods 2 later extend into the side wall 4, the anchor rods 2 are firstly bent and tightly adhered to the outer wall of the reinforcement cage 1, when a support pile is arranged below the reinforcement cage 1, the direction of one side wall of each anchor rod 2 faces the side wall 4, the anchor rods 2 are straightened towards the side wall 4, and waterproof nodes of the anchor rods 2 are reinforced;
the upper end of the steel reinforcement cage 1 is connected with the steel bars in the crown beam 5, the crown beam 5 is inserted with upward reserved anchor bars 6, the embedded length and the exposed length of the reserved anchor bars 6 are both larger than the radius of the steel reinforcement cage 1, the parts of the steel bars in the side walls 4 and the anchor rods 2 in the side walls 4 are poured by concrete, so that the support piles and the side walls of the main structure are connected into a whole, the anti-floating cantilever plates in the side wall anti-floating cantilever plates 7 and the steel bars in the side walls 4 are bound, and the side wall anti-floating cantilever plates 7 and the side walls 4 are poured together by concrete, so that the crown beam 5, the side wall anti-floating cantilever plates 7 and the side walls 4 of the main structure are connected into a whole.
When the device works, an anchor rod 2 is reserved in a support pile reinforcement cage 1 during construction of a support pile, the length of the anchor rod 2 extending into the support pile reinforcement cage 1 is larger than the radius of the anchor rod 2, when the reinforcement cage 1 is lowered, the direction of the reserved anchor rod 2 faces the side wall 4 direction during the placement of the reinforcement cage 1, the step is very critical, if the reserved direction is wrong, the later anchor rod 2 cannot be used, when a crown beam 5 of the support structure is constructed, an upward reserved anchor bar 6 is inserted into the crown beam 5, the embedded length and the exposed length are both larger than the radius of the reinforcement cage 1, then the anchor rod 2 is straightened, when earthwork excavates to the reserved anchor bar 6 section, the anchor rod 2 reserved in the first step is straightened towards the side wall 4 direction, waterproof nodes of the anchor rod 2 are reinforced, the side wall 4 is bound with steel bars, the side wall 4 steel bars and the side wall 4 anchored into the side wall are cast into a whole by concrete, when the crown beam 5 is constructed, the anti-cantilever slab connection 8 and the side wall 4 are cast together with the crown beam 5, and the anti-floating slab 7 is bound with the side wall structure by the concrete, and the anti-floating slab is connected with the side wall structure by the anti-floating slab 7.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A construction structure for realizing structural anti-floating by using an existing support pile, comprising: steel reinforcement cage (1), bottom plate (3), crown roof beam (5) and side wall (4), its characterized in that: the bottom plate (3) is positioned at the lower end of the crown beam (5), the side wall (4) is positioned at one side of the crown beam (5), and the upper end of the crown beam (5) is connected with the side wall anti-floating cantilever plate (7) through the reserved anchor bar (6);
a plurality of anchor rods (2) are uniformly and fixedly arranged on the side wall of one end of the reinforcement cage (1), and one end of each anchor rod (2) is positioned in the side wall (4) and is connected with the reinforcement in the side wall (4);
the upper end of the reinforcement cage (1) is connected with the reinforcement inside the crown beam (5).
2. The construction structure for realizing structural anti-floating by utilizing the existing support pile according to claim 1, wherein the construction structure comprises the following components: the length of the anchor rod (2) extending into the reinforcement cage (1) is larger than the radius of the reinforcement cage (1), the anchor rod (2) extends into the side wall (4) in the later stage, and the anchor rod (2) is bent firstly and is tightly attached to the outer wall of the reinforcement cage (1).
3. The construction structure for realizing structural anti-floating by utilizing the existing support pile according to claim 1, wherein the construction structure comprises the following components: when the support pile is arranged below the reinforcement cage (1), the direction of one side wall of the installation anchor rod (2) faces the direction of the side wall (4).
4. The construction structure for realizing structural anti-floating by utilizing the existing support pile according to claim 1, wherein the construction structure comprises the following components: the crown beam (5) is internally inserted with upward reserved anchor bars (6), and the embedded length and the exposed length of the reserved anchor bars (6) are both larger than the radius of the reinforcement cage (1).
5. A construction structure for realizing structural anti-floating by utilizing existing support piles according to claim 2, wherein: the anchor rod (2) is straightened towards the side wall (4) and the waterproof joint of the anchor rod (2) is reinforced.
6. The construction structure for realizing structural anti-floating by utilizing the existing support pile according to claim 5, wherein the construction structure comprises the following components: the steel bars in the side wall (4) and the part of the anchor rod (2) entering the side wall (4) are poured by concrete, so that the support pile and the side wall of the main body structure are connected into a whole.
7. The construction structure for realizing structural anti-floating by utilizing the existing support pile according to claim 6, wherein the construction structure comprises the following components: the anti-floating cantilever plates in the side wall anti-floating cantilever plates (7) and the steel bars in the side wall (4) are bound, and the side wall anti-floating cantilever plates (7) and the side wall (4) are together poured by concrete, so that the supporting structure crown beam (5), the side wall anti-floating cantilever plates (7) and the side wall (4) of the main body structure are connected into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779489.1U CN219794019U (en) | 2023-04-11 | 2023-04-11 | Construction structure for realizing anti-floating of structure by utilizing existing support piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779489.1U CN219794019U (en) | 2023-04-11 | 2023-04-11 | Construction structure for realizing anti-floating of structure by utilizing existing support piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219794019U true CN219794019U (en) | 2023-10-03 |
Family
ID=88156739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779489.1U Active CN219794019U (en) | 2023-04-11 | 2023-04-11 | Construction structure for realizing anti-floating of structure by utilizing existing support piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219794019U (en) |
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2023
- 2023-04-11 CN CN202320779489.1U patent/CN219794019U/en active Active
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