CN217782085U - Inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions - Google Patents
Inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions Download PDFInfo
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- CN217782085U CN217782085U CN202222286824.2U CN202222286824U CN217782085U CN 217782085 U CN217782085 U CN 217782085U CN 202222286824 U CN202222286824 U CN 202222286824U CN 217782085 U CN217782085 U CN 217782085U
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Abstract
The utility model provides an inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions, which comprises an inner supporting beam column, a conversion buttress, a reinforcing section bottom plate, a foundation pit bottom plate and a critical area supporting structure; the inner supporting beam column consists of a plurality of inner supporting beams and vertical supporting columns, and is a supporting structure of a supporting structure around the foundation pit; the foundation pit bottom plate is divided into a multi-layer basement main structure side foundation pit bottom plate and a few-layer basement main structure side foundation pit bottom plate, the foundation pit bottom plate is further in anchoring connection with a foundation soil layer through arranging an anti-floating anchor rod, a critical area supporting structure is arranged in a critical area where the elevation of the foundation pit bottom plate changes, a reinforcing section bottom plate is arranged in the end area of the few-layer basement main structure side foundation pit bottom plate close to the position where the elevation of the foundation pit bottom plate changes, and a conversion buttress is arranged at one end of the reinforcing section bottom plate; and one end of at least one of the plurality of inner supporting beams is in stressed connection with the conversion buttress.
Description
Technical Field
The utility model relates to a foundation ditch engineering trades temporarily and props technical field, especially relates to an internal support supporting beam conversion buttress structure with violently, erect two-way support function.
Background
With the acceleration of the urbanization process in China, the limited land area of an urban area and the increasingly-sharp demand of a building space are in conflict with each other and gradually increased, the deep development and utilization of underground space become effective ways for solving the problems of land resource shortage, traffic jam, city space expansion and environmental deterioration alleviation, and are also important ways for realizing sustainable development, resource-saving and environment-friendly society construction in human society and economy, foundation pit support is used as an important ring for underground space development and construction, and the support difficulty is gradually increased along with the complexity and diversity of the underground space structure; particularly, when the number of layers of adjacent main basements is different and the elevation of the bottom plate of the foundation pit is inconsistent, if the opposite-supporting beams at two sides are continuously adopted to form a complete and effective force transmission system, the construction working space at one side of the main structure of the basement at fewer layers is unnecessarily occupied, the construction period is influenced, and the construction cost is increased; in order to avoid the influence on the construction of one side of the main structure of the basement with few floors, a temporary structure conversion technical measure is adopted for the support beam in the foundation pit at one side of the main structure of the basement with multiple floors in a critical area with the changed elevation of the bottom plate of the foundation pit, and the temporary structure conversion technical measure is very necessary for optimizing the support measure of the deep foundation pit engineering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an interior supporting beam conversion buttress structure with violently, erect two-way support function, adopt the utility model discloses a structure, when effectively solving the direct bracing that forms of lower floor's supporting beam in the traditional approach, occupies basement structure's construction work space problem, to accelerating construction period, save the cost, it is very favourable to improve excavation supporting structure atress.
In order to achieve the above object, the utility model adopts the following technical scheme: an inner support beam conversion buttress structure with a horizontal and vertical bidirectional supporting function comprises an inner support beam column, a conversion buttress, a reinforcing section bottom plate, a foundation pit bottom plate and a concrete injection layer supporting structure; the inner supporting beam column consists of two inner supporting beams and a plurality of vertical supporting columns, and is a supporting structure of a supporting structure around the foundation pit; the foundation pit bottom plate is divided into a three-layer basement main body structure side foundation pit bottom plate and a two-layer basement main body structure side foundation pit bottom plate, the foundation pit bottom plate is further in anchoring connection with a foundation soil layer through arranging an anti-floating anchor rod, a concrete spraying layer supporting structure is arranged in a critical area where the elevation of the foundation pit bottom plate changes, and a reinforcing section bottom plate is arranged in the end area of the two-layer basement main body structure side foundation pit bottom plate close to the position where the elevation of the foundation pit bottom plate changes; one end of the reinforcing section bottom plate is provided with a conversion buttress; one end of one of the two inner supporting beams is in stress connection with the conversion buttress.
Preferably, the conversion buttress is of a right-angle trapezoidal section-shaped reinforced concrete structure, one end of the conversion buttress is connected with the inner support beam in a pouring mode, the other end of the conversion buttress is connected with the reinforcing section bottom plate in an equal-thickness pouring mode, and anti-floating anchor rods different in length are arranged below the conversion buttress.
Preferably, one end of the inner support beam below the two inner support beams is in stressed connection with the conversion buttress.
Preferably, the concrete sprayed layer supporting structure comprises a reinforced concrete structure slope surface arranged on the surface of a critical area with the changed elevation of a foundation pit bottom plate and rock stratum soil nails anchored in the critical area, and the end parts of the rock stratum soil nails are fixed with embedded bars in the slope surface.
Preferably, the anti-floating anchor rod is a reinforced anti-floating anchor rod.
The utility model has the advantages that: the foundation pit supporting structure is used for supporting and retaining soil pressure outside a foundation pit, effective working space is provided for construction of a main basement structure, a reinforcement section bottom plate is arranged in the end region of a side basement bottom plate of a few-layer basement main structure close to the position where elevation of a foundation pit bottom plate changes, a conversion buttress is arranged at one end of the reinforcement section bottom plate, one end of an inner supporting beam at least is connected with the stress of the conversion buttress, the construction space of the few-layer basement main structure is occupied less, the conversion buttress is under the condition that the stress is stable, the problem that when a lower-layer supporting beam directly forms a pair support in the traditional method is effectively solved, the construction space of the basement structure is occupied, the construction period is shortened, the construction cost is saved, and the improvement of the stress of the foundation pit supporting structure is very favorable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic structural diagram of an inner support beam conversion buttress with horizontal and vertical bidirectional support functions.
Fig. 2 is a schematic structural diagram of the conversion buttress.
Wherein: the structure comprises an inner support beam column 1, an inner support beam 1-1, a vertical support column 1-2, a side foundation pit bottom plate 2 of a main structure of a two-layer basement, a side foundation pit bottom plate 3 of a main structure of a three-layer basement, a conversion buttress 4, a reinforcing section bottom plate 5, a critical area supporting structure 6, an anti-floating anchor rod 7 and a foundation soil layer 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-2.
As shown in fig. 1-2, an internal support beam conversion buttress structure with horizontal and vertical bidirectional support functions comprises a foundation pit support structure 1, a conversion buttress 4, a reinforcing section bottom plate 5, a foundation pit bottom plate and a critical area support structure 8; the inner supporting beam column 1 consists of two inner supporting beams 1-1 and a vertical supporting column 1-2, the inner supporting beam column 1 is a supporting structure of a supporting structure around a foundation pit, and the inner supporting beam 1-1 comprises an upper layer supporting beam and a lower layer supporting beam; the foundation pit bottom plate is divided into a three-layer basement main structure side foundation pit bottom plate 3 and a two-layer basement main structure side foundation pit bottom plate 2, the foundation pit bottom plate is further in anchoring connection with a foundation soil layer 8 through an anti-floating anchor rod 7, a critical area supporting structure 8 is arranged in a critical area where the elevation of the foundation pit bottom plate changes, and a reinforcement section bottom plate 5 is arranged in an end part area of the two-layer basement main structure side foundation pit bottom plate 2 close to the position where the elevation of the foundation pit bottom plate changes; one end of the reinforcing section bottom plate 5 is provided with a conversion buttress 4; one end of the lower inner supporting beam 1-1 is in stress connection with the conversion buttress 4.
During specific implementation, conversion buttress 4 is right trapezoid cross section form reinforced concrete structure, and 4 one end of conversion buttress are pour with lower floor's supporting beam 3 and are connected, and 4 other ends of conversion buttress are pour with the equal thickness of reinforcing segment bottom plate 5 and are connected, and conversion buttress 4 below has arranged the anti-floating stock that differs in length.
In specific implementation, the critical area supporting structure 8 comprises a reinforced concrete structure slope surface arranged on the surface of the critical area with the changed elevation of the foundation pit bottom plate and rock stratum soil nails anchored in the critical area, and the end parts of the rock stratum soil nails are fixed with embedded bars in the slope surface.
In specific implementation, the anti-floating anchor rod 7 is a reinforced anti-floating anchor rod.
Finally, it is noted that the above embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. An inner support beam conversion buttress structure with a horizontal and vertical bidirectional supporting function comprises an inner support beam column, a conversion buttress, a reinforcing section bottom plate, a foundation pit bottom plate, a critical area supporting structure and a base soil layer; the inner supporting beam column consists of a plurality of inner supporting beams and vertical supporting columns, and is a supporting structure of a supporting structure around the foundation pit; foundation ditch bottom plate divide into multilayer basement major structure side foundation ditch bottom plate and few layer basement major structure side foundation ditch bottom plate, and the foundation ditch bottom plate still carries out the anchor with the basement soil layer through setting up anti-floating anchor and is connected its characterized in that: a critical area supporting structure is arranged in a critical area where the elevation of the foundation pit bottom plate changes, a reinforcing section bottom plate is arranged in the end area of the pit bottom plate of the side base of the main structure of the low-rise basement close to the position where the elevation of the foundation pit bottom plate changes, and a conversion buttress is arranged at one end of the reinforcing section bottom plate; and one end of at least one inner supporting beam in the plurality of inner supporting beams is in stressed connection with the conversion buttress.
2. The inner support beam conversion pier structure with the transverse and vertical bidirectional support function as claimed in claim 1, wherein: the conversion buttress is right trapezoid cross section form reinforced concrete structure, and conversion buttress one end is pour with interior support beam and is connected, and the conversion buttress other end is pour with the reinforced section bottom plate and is connected, and the anti-floating anchor rod that differs in length has been arranged to conversion buttress below.
3. The inner support beam conversion pier structure with the transverse and vertical bidirectional support function as claimed in claim 1, wherein: the inner support beams are provided with two inner support beams, and one end of the inner support beam at the bottom is in stress connection with the conversion buttress.
4. The inner support beam conversion pier structure with the transverse and vertical bidirectional support function as claimed in claim 1, wherein: the inner supporting beams are provided with three inner supporting beams, wherein one or two inner supporting beams at the bottom are in stress connection with the conversion buttress.
5. The inner support beam conversion pier structure with the transverse and vertical bidirectional support function as claimed in claim 1, wherein: the critical area supporting structure comprises a reinforced concrete structure slope arranged on the surface of the critical area with the changed elevation of the foundation pit bottom plate and a rock stratum soil nail anchored in the critical area, and the end part of the rock stratum soil nail is fixed with a planting bar in the slope.
6. The internal support beam conversion pier structure with the transverse and vertical bidirectional support function as claimed in claim 1, wherein: the critical area supporting structure is one of row piles, secant piles or underground continuous walls.
7. The internal support beam conversion pier structure with the horizontal and vertical bidirectional support function as claimed in claim 1 or 2, wherein: the anti-floating anchor rod is a reinforced anti-floating anchor rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222286824.2U CN217782085U (en) | 2022-08-29 | 2022-08-29 | Inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222286824.2U CN217782085U (en) | 2022-08-29 | 2022-08-29 | Inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions |
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| Publication Number | Publication Date |
|---|---|
| CN217782085U true CN217782085U (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222286824.2U Active CN217782085U (en) | 2022-08-29 | 2022-08-29 | Inner supporting beam conversion buttress structure with horizontal and vertical bidirectional supporting functions |
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| Country | Link |
|---|---|
| CN (1) | CN217782085U (en) |
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2022
- 2022-08-29 CN CN202222286824.2U patent/CN217782085U/en active Active
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