CN217536992U - Grouting inclined strut enclosure structure capable of being repeatedly used in engineering - Google Patents
Grouting inclined strut enclosure structure capable of being repeatedly used in engineering Download PDFInfo
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- CN217536992U CN217536992U CN202221180515.0U CN202221180515U CN217536992U CN 217536992 U CN217536992 U CN 217536992U CN 202221180515 U CN202221180515 U CN 202221180515U CN 217536992 U CN217536992 U CN 217536992U
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- steel pipe
- bracing
- grouting
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- inclined strut
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Abstract
The utility model discloses a can be in used repeatedly's slip casting bracing envelope in engineering, slip casting bracing envelope includes fender pile and supporter at least, the supporter is used for supporting the fender pile, the supporter is including the first bracing steel pipe, recoverable section steel pipe and the second bracing steel pipe that connect gradually, wherein, first bracing steel pipe with recoverable section steel pipe all is located more than the foundation ditch bottom surface, the second bracing steel pipe extends to below the foundation ditch bottom surface, first bracing steel pipe with recoverable section steel pipe the second bracing steel pipe with connect through first flange joint and second flange joint respectively between the recoverable section steel pipe. The utility model has the advantages that: and the recovery of the steel pipe within the excavation depth range of the foundation pit is realized.
Description
Technical Field
The utility model belongs to the technical field of the technique of building engineering and specifically relates to a can be in used repeatedly's slip casting bracing envelope in the engineering.
Background
The fender pile is combined with the grouting inclined strut to serve as a novel foundation pit retaining mode, and the novel foundation pit retaining method has the advantages of being wide in application range, convenient to construct, capable of saving construction period and cost and the like. By adopting the grouting process for the steel pipe, the friction force between the steel pipe and the soil body is increased so as to improve the bearing capacity of the steel pipe and ensure the safety of foundation pit excavation and the controllable deformation of the surrounding environment. The grouting process causes certain obstacles to the recycling of the steel pipe while improving the bearing capacity of the steel pipe. Conventional underground one deck foundation ditch, after foundation slab and biography power area are accomplished and reach intensity, cut off the steel pipe of excavation depth scope according to the foundation ditch deformation condition, the steel pipe cuts off and generally adopts the cutting mode, because the steel pipe intussuseption is filled with the cement solid, cuts off the unable used repeatedly in the engineering of steel pipe of retrieving, the economic nature is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be in the not enough of above-mentioned prior art, provide a used repeatedly's slip casting bracing envelope in the engineering, the supporter comprises recoverable section steel pipe and bracing steel pipe, and passes through flange joint between recoverable section steel pipe and bracing steel pipe, realizes the recovery of foundation ditch excavation depth within range steel pipe.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
a grouting bracing enclosure that can used repeatedly in engineering, grouting bracing enclosure includes fender pile and supporter at least, the supporter is used for supporting the fender pile, its characterized in that: the supporter is including the first bracing steel pipe, recoverable section steel pipe and the second bracing steel pipe that connect gradually, wherein, first bracing steel pipe with recoverable section steel pipe all is located above the foundation ditch bottom surface, the second bracing steel pipe extends to below the foundation ditch bottom surface, first bracing steel pipe with recoverable section steel pipe the second bracing steel pipe with connect through first flange joint and second flange joint respectively between recoverable section steel pipe.
And a grouting structure is arranged in the support body, and grouting can be formed at the periphery of one end, extending to the bottom surface of the foundation pit, of the second inclined support steel pipe through the grouting structure.
The upper end of the grouting structure extends out of the top of the first inclined strut steel pipe, and the lower end of the grouting structure extends into the second inclined strut steel pipe through the first flange joint, the recoverable section steel pipe and the second flange joint in sequence.
And a slurry locking structure is arranged in the second inclined strut steel pipe.
And a centering device is arranged in the recyclable section steel pipe.
And the top of the fender pile is provided with a ring beam, and the first inclined strut steel pipe is connected with the fender pile through the ring beam.
The fender pile is one or a combination of more than one of a steel sheet pile, a prefabricated sheet pile, a construction method pile and a cast-in-place pile.
The grouting structure is a rigid member, which is a segmented structure or a monolithic structure.
The utility model has the advantages that:
1. the inclined strut steel pipes are connected by adopting flange joints, and fixed-point grouting is adopted, so that the inclined strut steel pipes in the excavation range of the foundation pit cannot be filled with cement paste, are convenient to disassemble, and can be repeatedly used in engineering;
2. the steel pipe within the excavation depth range of the foundation pit is recycled, and the steel pipe can be repeatedly used in engineering;
3. the grouting structure is in a whole-section type or a sectional type, and if the grouting structure is in the sectional type, the grouting structure is in threaded connection by threads, so that the grouting structure can be repeatedly used;
4. after grouting is completed, the grouting structure is pulled out in time, and one or more grouting locking structures in the diagonal bracing steel pipe are utilized to ensure that grout does not return upwards, so that a grouting expansion body is formed, and the bearing capacity of the diagonal bracing is ensured.
Drawings
Fig. 1 is the utility model discloses slip casting bracing envelope's schematic diagram.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings for the understanding of those skilled in the art:
as shown in fig. 1, reference numerals 1-12 in the figure are respectively indicated as fender pile 1, ring beam 2, first inclined strut steel pipe 3, grouting body 4, grouting structure 5, first flange joint 6, grout locking structure 7, recoverable section steel pipe 8, centering device 9, second inclined strut steel pipe 10, second flange joint 11 and bottom plate 12.
Example (b): as shown in fig. 1, the present embodiment relates to a grouting bracing envelope which can be reused in engineering, and comprises at least a fender pile 1 and a supporting body, wherein the supporting body is used for supporting the fender pile 1. The fender pile 1 can adopt various forms such as steel sheet piles, prefabricated sheet piles, construction method piles or cast-in-place piles and the like, and effective water stopping measures are combined at the same time. The supporter is including the first bracing steel pipe 3 that connects gradually, recoverable section steel pipe 8 and second bracing steel pipe 10, wherein, first bracing steel pipe 3 and recoverable section steel pipe 8 all are located above the foundation ditch bottom surface, second bracing steel pipe 10 extends to below the foundation ditch bottom surface, first bracing steel pipe 3 and recoverable section steel pipe 8, connect through first flange joint 6 and second flange joint 11 between second bracing steel pipe 10 and recoverable section steel pipe 8 respectively, in this embodiment, first flange joint 6 and second flange joint 11 weld respectively at the upper and lower end of recoverable section steel pipe 8. In addition, the top of the fender pile 1 is provided with a gird 2, the first inclined strut steel pipe 3 is connected with the fender pile 1 through the gird 2, and in the embodiment, the first inclined strut steel pipe 3 is anchored on the gird 2.
As shown in fig. 1, a grouting structure 5 is provided in the support body, the grouting structure 5 is a rigid member, and is a sectional structure or an integral structure, if the sectional structure is a threaded connection, in this embodiment, the grouting structure 5 is a grouting pipe. And forming a grouting body 4 by grouting the periphery of one end, extending below the bottom surface of the foundation pit, of the second inclined strut steel pipe 10 through the grouting structure 5. In addition, the formation of the grout 4 may be in the form of a bladder or a non-bladder, depending on geological conditions.
As shown in fig. 1, the upper end of the grouting structure 5 extends to the outside of the top of the first inclined strut steel pipe 3, and the lower end thereof extends into the second inclined strut steel pipe 10 through the first flange joint 6, the recoverable section steel pipe 8 and the second flange joint 11 in sequence. In this embodiment, the first flange joint 6 and the second flange joint 11 are both provided with through holes meeting the installation requirements of the grouting structure 5.
As shown in fig. 1, a centering device 9 is disposed in the retrievable section steel pipe 8, in this embodiment, the centering device 9 is composed of two centering bracket assemblies, and the centering bracket can enable the grouting structure 5 to pass through, so as to ensure that the lower end of the grouting structure 5 smoothly extends into the second bracing steel pipe 10.
As shown in fig. 1, a grout locking structure 7 is arranged in the second diagonal bracing steel pipe 10, in this embodiment, the grout locking structure 7 is a grout stop valve, the grout stop valve is opened when the grouting structure 5 extends into the second diagonal bracing steel pipe 10, the grouting structure 5 is recovered after grouting is completed, and then the grout stop valve is closed to seal the hole, so that grout is prevented from returning upwards. In addition, one or more slurry locking structures 7 can be arranged in the second inclined strut steel pipe 10.
As shown in fig. 1, the present embodiment also has the following construction method:
1. the fender pile 1 is constructed firstly, the fender pile 1 can adopt various forms such as steel sheet piles, prefabricated sheet piles, construction method piles or cast-in-place piles, and effective water stopping measures are combined at the same time.
2. And constructing a support body, wherein flange joints of the inclined strut steel pipe and the recyclable section steel pipe 8 are connected through bolts and nuts, the support body can be set up by adopting hydraulic or mechanical vibration, and whether a hole leading measure is adopted or not is determined according to geological conditions.
3. After the support body is sunk in place, the grouting structure 5 is lowered, the grouting structure 5 is a recyclable rigid component, and the centering device 9 in the recyclable section steel pipe 8 ensures that the lower end of the grouting structure 5 smoothly extends into the second inclined strut steel pipe 10.
4. And (6) grouting. Pumping cement slurry or cement mortar into the second inclined strut steel pipe 10 through the grouting structure 5, lifting the grouting structure 5 after grouting to the designed grouting amount or reaching a certain grouting pressure, and disassembling in sections and flushing for recovery.
5. Constructing the ring beam 2, excavating the foundation pit layer by layer and section after the enclosure and support system reaches the design strength, constructing the cushion layer and the bottom plate 12, dismantling the steel pipe 8 at the recyclable section after the bottom plate 12 and the force transmission belt reach the design strength, and recycling the steel pipe 8 at the recyclable section in subsequent engineering, thereby improving the economy.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (8)
1. A grouting bracing enclosure that can used repeatedly in engineering, grouting bracing enclosure includes fender pile and supporter at least, the supporter is used for supporting the fender pile, its characterized in that: the supporter is including the first bracing steel pipe, recoverable section steel pipe and the second bracing steel pipe that connect gradually, wherein, first bracing steel pipe with recoverable section steel pipe all is located more than the foundation ditch bottom surface, the second bracing steel pipe extends to below the foundation ditch bottom surface, first bracing steel pipe with recoverable section steel pipe the second bracing steel pipe with connect through first flange joint and second flange joint respectively between the recoverable section steel pipe.
2. A grouting bracing envelope capable of being reused in engineering as claimed in claim 1, wherein: and a grouting structure is arranged in the support body, and grouting can be formed at the periphery of one end, extending to the position below the bottom surface of the foundation pit, of the second inclined strut steel pipe through the grouting structure.
3. A grouting bracing envelope capable of being reused in engineering as claimed in claim 2, wherein: the upper end of the grouting structure extends out of the top of the first inclined strut steel pipe, and the lower end of the grouting structure extends into the second inclined strut steel pipe through the first flange joint, the recoverable section steel pipe and the second flange joint in sequence.
4. A grouting bracing envelope capable of being reused in engineering as claimed in claim 1, wherein: and a slurry locking structure is arranged in the second inclined strut steel pipe.
5. A grouting bracing envelope capable of being reused in engineering as claimed in claim 1, wherein: and a centering device is arranged in the recyclable section steel pipe.
6. A grouting bracing envelope capable of being reused in engineering as claimed in claim 1, wherein: and the top of the fender pile is provided with a ring beam, and the first inclined strut steel pipe is connected with the fender pile through the ring beam.
7. A grouting bracing envelope capable of being reused in engineering as claimed in claim 1, wherein: the fender pile is one or a combination of more than one of a steel sheet pile, a prefabricated sheet pile, a construction method pile and a cast-in-place pile.
8. A grouting bracing envelope capable of being reused in engineering as claimed in claim 2, wherein: the grouting structure is a rigid member, which is a segmented structure or a monolithic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180515.0U CN217536992U (en) | 2022-05-17 | 2022-05-17 | Grouting inclined strut enclosure structure capable of being repeatedly used in engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180515.0U CN217536992U (en) | 2022-05-17 | 2022-05-17 | Grouting inclined strut enclosure structure capable of being repeatedly used in engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536992U true CN217536992U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221180515.0U Active CN217536992U (en) | 2022-05-17 | 2022-05-17 | Grouting inclined strut enclosure structure capable of being repeatedly used in engineering |
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| Country | Link |
|---|---|
| CN (1) | CN217536992U (en) |
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2022
- 2022-05-17 CN CN202221180515.0U patent/CN217536992U/en active Active
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