CN219261033U - Foundation pit supporting beam - Google Patents
Foundation pit supporting beam Download PDFInfo
- Publication number
- CN219261033U CN219261033U CN202223222754.0U CN202223222754U CN219261033U CN 219261033 U CN219261033 U CN 219261033U CN 202223222754 U CN202223222754 U CN 202223222754U CN 219261033 U CN219261033 U CN 219261033U
- Authority
- CN
- China
- Prior art keywords
- cross
- foundation pit
- side beam
- beam part
- beams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model belongs to the technical field of building support beams, in particular to a foundation pit support beam which comprises an annular beam, wherein the annular beam comprises a first side beam part and a second side beam part which are parallel, a plurality of side-by-side cross beams are arranged between the first side beam part and the second side beam part, short inclined beams are respectively arranged on the two sides of the front end and the rear end of each cross beam, one end of each short inclined beam is correspondingly connected to the cross beam, the other end of each short inclined beam is correspondingly connected to the first side beam part or the second side beam part, the support beam with the structure optimizes and adjusts a conventional support system, and according to stress analysis, the stress of the first side beam part and the second side beam part is reduced, and bending moment which is not changed greatly is avoided, so that the cross section size and the content of reinforcing steel bars are reduced, high-energy consumption building materials such as reinforcing steel bars and concrete are effectively saved.
Description
Technical Field
The utility model belongs to the technical field of building support beams, and particularly relates to a foundation pit support beam.
Background
The reinforced concrete support system has the characteristics of modeling, plasticity, high rigidity, good overall stability, corrosion resistance, durability and the like, is widely applied to the field of underground engineering such as industrial and civil buildings, and is mainly used for foundation pit support at present.
The support system of foundation ditch mainly includes the pile foundation that is located around the foundation ditch to and with the breast beam and the breast beam that these pile foundations connect, the design of breast beam, breast beam among the current reinforced concrete support system mainly has following problem: (1) the cross section size is large; (2) the content of the steel bars is high; (3) the concrete strength is high; (4) the concrete breaking engineering is large; (5) affecting the construction of the later main structure. The crown beam and the waist beam in the conventional reinforced concrete support system generally adopt modes of increasing the section size, increasing the content of the reinforcing steel bars, improving the strength of the concrete and the like in order to meet the specification and the safety requirement, and the measures cause the waste of the reinforcing steel bars and the concrete to a certain extent, increase the engineering cost and influence the construction of a later-stage main body structure.
Disclosure of Invention
The utility model aims to provide a foundation pit supporting beam, which solves the technical problems that the section size of the foundation pit supporting beam is large, the content of reinforcing steel bars is high, and the construction of a later-stage main body structure is influenced in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a foundation ditch supporting beam, including the ring beam, the ring beam includes parallel first boundary beam portion, second boundary beam portion, be equipped with many crossbeams side by side between first boundary beam portion, the second boundary beam portion, the front and back end both sides of crossbeam are equipped with short sloping respectively, short sloping one end corresponds to be connected on the crossbeam, the other end corresponds to be connected on first boundary beam portion or the second boundary beam portion.
Preferably, a pull beam is arranged between a plurality of groups of adjacent cross beams; and each cross beam is at least connected with one pull beam.
Preferably, the outer side of one end of the short oblique beam connected to the cross beam is an arc-shaped surface in smooth transition, and the inner side of the short oblique beam is provided with a first chamfer part; and second chamfer parts are arranged on two sides of one end of the short oblique beam connected to the first side beam part or the second side beam part.
Preferably, the ends of the cross beam connected to the first side beam part and the second side beam part are provided with third chamfer parts on both sides.
Preferably, the two sides of the end of the pull beam connected to the corresponding cross beam are respectively provided with a fourth chamfer part.
Preferably, the plurality of cross beams between the first side beam part and the second side beam part are arranged at equal intervals.
Compared with the prior art, the utility model has the beneficial effects that: the foundation pit supporting beam comprises an annular beam, the annular beam comprises a first side beam part and a second side beam part which are parallel, a plurality of side-by-side cross beams are arranged between the first side beam part and the second side beam part, the two sides of the front end and the rear end of each cross beam are respectively provided with a short inclined beam, one end of each short inclined beam is correspondingly connected to each cross beam, the other end of each short inclined beam is correspondingly connected to the first side beam part or the second side beam part, the stress of the first side beam part and the second side beam part in the supporting beam of the structure is reduced, bending moment which is not changed greatly is avoided, so that the section size can be reduced, the content of reinforcing steel bars can be reduced, high energy consumption building materials such as the reinforcing steel bars and concrete can be effectively saved, and compared with the conventional supporting beam at present, the foundation pit supporting beam has better economic benefit and construction effect.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of an embodiment of a foundation pit supporting beam according to the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic view of an embodiment of a foundation pit support beam of the present utility model disposed within a foundation pit.
FIG. 4 is a graph of calculated bending moments for one embodiment of a foundation pit support beam of the present utility model.
Fig. 5 is a schematic structural view of a conventional foundation pit supporting beam.
Fig. 6 is a graph of calculated bending moments of the foundation pit support beam of fig. 5.
In the drawings, each reference numeral is intended to: ring beam 1, first side beam 11, second side beam 12, cross beam 13, third chamfer 131, short diagonal beam 14, arcuate surface 141, first chamfer 142, second chamfer 143, tie beam 15, fourth chamfer 151, foundation pit 3, and pile foundation 4.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In one embodiment, a foundation pit support beam is provided, see fig. 1-3.
As shown in fig. 1, the foundation pit supporting beam comprises an annular beam 1, the annular beam 1 is square, the annular beam 1 comprises a first side beam part 11 and a second side beam part 12 which are parallel, a plurality of side-by-side cross beams 13 are arranged between the first side beam part 11 and the second side beam part 12, and the cross beams 13 between the first side beam part 11 and the second side beam part 12 are arranged at equal intervals, so that the stress on the first side beam part 11 and the second side beam part 12 is uniform.
As shown in fig. 2, the front end two sides of the cross beam 13 are respectively provided with a short oblique beam 14, one end of the short oblique beam 14 is correspondingly connected to the cross beam 13, the other end is correspondingly connected to the first side beam part 11, and the rear end two sides of the cross beam 13 are also provided with short oblique beams.
As shown in fig. 1, tie beams 15 are disposed between a plurality of groups of adjacent cross beams 13, and at least one tie beam 15 is connected to each cross beam 13, and in fig. 1, 11 cross beams cannot be formed into an integer pair, so that tie beams 15 are connected to both sides of a fourth cross beam 13 from left to right.
As shown in fig. 2, the outer side of one end of the short oblique beam 14 connected to the cross beam 13 is an arc-shaped surface 141 with smooth transition, and the inner side is provided with a first chamfer part 142, so that the strength of the end of the short oblique beam 14 can be enhanced, and the local cracking caused by internal stress can be prevented; likewise, the short diagonal member 14 is provided with second chamfer portions 143 on both sides of one end connected to the first side beam portion 11.
As shown in fig. 2, the two sides of the end of the beam 13 connected to the first side beam 11 are provided with third chamfer portions 131, the two sides of the end of the other beam 13 connected to the second side beam 12 are also provided with third chamfer portions, as shown in fig. 1, the two sides of the end of the pull beam 15 connected to the corresponding beam 13 are respectively provided with fourth chamfer portions 151, and the purpose of enhancing the strength is also to avoid local cracks caused by internal stress.
Referring to fig. 3, the foundation pit supporting beam provided by the utility model is a crown beam used as a foundation pit, as shown in fig. 3, the foundation pit 3 is positioned below the ground, and pile foundations 4 around the foundation pit 3 are connected through the crown beam, so that each pile foundation 4 forms a stable integral structure, the pile foundations 4 play a role in enclosing, and surrounding soil is prevented from collapsing into the foundation pit 3.
Referring to fig. 4, fig. 4 is a bending moment diagram calculated by the foundation pit supporting beam provided by the present utility model, it can be seen that a large bending moment does not exist on the first side beam portion 11 and the second side beam portion 12, and the bending moment variation amplitude on the first side beam portion 11 and the second side beam portion 12 is small and more stable.
Referring to fig. 5 and 6 again, fig. 5 is a schematic structural diagram of a conventional foundation pit supporting beam, and fig. 6 is a bending moment diagram calculated by the foundation pit supporting beam in fig. 5, and as can be seen from fig. 6, the bending moment variation amplitude of the front and rear edge beams of the conventional foundation pit supporting beam is large, which is not beneficial to the stability of the supporting beam structure.
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 (5)
1. The utility model provides a foundation ditch support roof beam, includes the ring beam, the ring beam includes parallel first boundary beam portion, second boundary beam portion, be equipped with many crossbeams side by side between first boundary beam portion, the second boundary beam portion, its characterized in that: short oblique beams are respectively arranged on the two sides of the front end and the rear end of the cross beam, one end of each short oblique beam is correspondingly connected to the cross beam, and the other end of each short oblique beam is correspondingly connected to the first side beam part or the second side beam part; the outer side of one end of the short oblique beam connected to the cross beam is an arc-shaped surface in smooth transition, and the inner side of the short oblique beam is provided with a first chamfer part; and second chamfer parts are arranged on two sides of one end of the short oblique beam connected to the first side beam part or the second side beam part.
2. The foundation pit support beam of claim 1, wherein: a pull beam is arranged between a plurality of groups of adjacent cross beams; and each cross beam is at least connected with one pull beam.
3. The foundation pit support beam of claim 1, wherein: and third chamfer parts are arranged on two sides of the end heads of the cross beam connected to the first side beam part and the second side beam part.
4. The foundation pit support beam of claim 2, wherein: and the two sides of the end of the pull beam connected to the corresponding cross beam are respectively provided with a fourth chamfer part.
5. The foundation pit support beam of claim 1, wherein: the plurality of cross beams between the first side beam part and the second side beam part are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223222754.0U CN219261033U (en) | 2022-12-02 | 2022-12-02 | Foundation pit supporting beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223222754.0U CN219261033U (en) | 2022-12-02 | 2022-12-02 | Foundation pit supporting beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261033U true CN219261033U (en) | 2023-06-27 |
Family
ID=86856116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223222754.0U Active CN219261033U (en) | 2022-12-02 | 2022-12-02 | Foundation pit supporting beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219261033U (en) |
-
2022
- 2022-12-02 CN CN202223222754.0U patent/CN219261033U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204212145U (en) | A kind of precast concrete combination sheet pile | |
| CN103074959A (en) | Steel plate and high-strength concrete combination connecting beam | |
| CN211113674U (en) | Double-row column supporting structure of foundation pit | |
| CN214530638U (en) | Multi-shaft stirring stiffness composite pile | |
| CN219261033U (en) | Foundation pit supporting beam | |
| CN112609637B (en) | Prestressing force reinforced structure of aqueduct body | |
| CN211689866U (en) | High-performance light connecting structure of assembled bent cap-pier | |
| CN104452798A (en) | Offshore wind turbine foundation structure and equipment and construction method of offshore wind turbine foundation equipment | |
| CN212427072U (en) | Sectional type UHPC-concrete pipe pile | |
| CN104153630A (en) | Transition connection method of hybrid wind power towers | |
| CN212295329U (en) | High-rise building girder steel structure | |
| CN211523761U (en) | Ribbed light steel beam with novel connection mode | |
| CN113863319A (en) | Foundation pit passive area reinforcing method | |
| CN110306425B (en) | Pier bottom structure of short pier rigid frame bridge capable of greatly reducing bearing bending moment | |
| CN110397067B (en) | Multi-cylinder reinforced concrete combined foundation structure with supporting structure and construction method thereof | |
| CN108487303B (en) | Combined retaining wall of supporting pile and counterfort retaining wall and construction method | |
| CN209244580U (en) | A kind of high-bearing capacity shield tunnel segment joint structure | |
| CN216839472U (en) | Node structure of collision position of foundation pit supporting rod piece and tower crane foundation | |
| CN206486891U (en) | Size is combined reinforcement prestressed concrete stake | |
| CN219732059U (en) | Foundation protection structure | |
| CN221740983U (en) | Splicing structure for widening existing box girder bridge based on steel-concrete composite girder | |
| CN210031882U (en) | Fabricated thin-wall light steel overhead structure steel pile raft composite foundation | |
| CN220952927U (en) | ECC-shaped steel pier structure based on spiral stirrup | |
| CN216194676U (en) | High-hardness anti-deformation reinforced concrete square pile | |
| CN216475059U (en) | Passive district reinforced structure of foundation ditch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |