CN219364635U - Combined supporting structure for replacing support by utilizing basement structure and steel diagonal support - Google Patents
Combined supporting structure for replacing support by utilizing basement structure and steel diagonal support Download PDFInfo
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- CN219364635U CN219364635U CN202320266274.XU CN202320266274U CN219364635U CN 219364635 U CN219364635 U CN 219364635U CN 202320266274 U CN202320266274 U CN 202320266274U CN 219364635 U CN219364635 U CN 219364635U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a combined supporting structure for replacing a support by utilizing a basement structure and a steel diagonal brace, which is positioned in a deep foundation pit and comprises a foundation slab, a structure side wall, a backfill structure and a supporting structure, wherein the foundation slab is arranged at the bottom of the foundation pit, the structure side wall is arranged on the foundation slab and is positioned at two sides of the foundation slab, the backfill structure is positioned between the structure side wall and a supporting pile, the supporting structure is arranged between the structure side wall and the foundation slab, and the backfill structure and the supporting structure are respectively positioned at two sides of the structure side wall. According to the utility model, the embedded structure is embedded in the side wall and the foundation slab, and the supporting rods are arranged through the embedded structure to replace concrete piers for supporting, so that the pouring and dismantling of the concrete piers are avoided, the construction efficiency is improved, and the material waste is reduced; the foundation slab is constructed firstly, the support to the supporting structure is realized, the support nodes are not required to be arranged, the construction of the backfill layer is carried out together, the supporting stability is improved, and the safety is higher.
Description
Technical Field
The utility model relates to the technical field of building foundation pit construction, in particular to a combined support structure for replacing a support by utilizing a basement structure and a steel diagonal brace.
Background
With the progress of building construction technology and the development of town, more deep foundation pits appear in building construction, and when some deep foundation pits with shorter adjacent building distance are constructed, concrete internal supports are needed to be arranged in the deep foundation pits so as to ensure structural stability and safety. However, the existing deep foundation pit support has the following problems that firstly, the foundation pit needs to be constructed with concrete supports, the main support replacement is carried out along with the construction progress of a main body structure, the construction period is long, and secondly, the concrete supports need to be removed when the supports are replaced, so that more materials are wasted. Therefore, the support-dismantling reinforcing structure of the deep foundation pit inner support disclosed by CN205024690U is provided, so that the problems of reducing construction procedures, reducing material waste and shortening construction period are solved. However, in practical application, problems such as dismantling of concrete piers, waste of backfill materials, connection of a foundation slab and a backfill structure and extrusion still exist, and the problems need to be treated in practical construction, and still have a large workload. The utility model provides a combined supporting structure for replacing a support by utilizing a basement structure and a steel diagonal support, which solves the problems.
Disclosure of Invention
The utility model provides a combined supporting structure for replacing a support by utilizing a basement structure and a steel diagonal brace, which avoids the construction procedure caused by setting a concrete pier, optimizes the material of a backfill structure and avoids influencing a foundation slab.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the combined supporting structure comprises a foundation slab, a structure side wall, a backfilling structure and a supporting structure, wherein the foundation slab is arranged at the bottom of the foundation pit, the structure side wall is arranged on the foundation slab and is positioned on two sides of the foundation slab, the backfilling structure is positioned between the structure side wall and the supporting pile, the supporting structure is arranged between the structure side wall and the foundation slab, and the backfilling structure and the supporting structure are respectively positioned on two sides of the structure side wall;
the supporting structure comprises a supporting rod and an embedded structure, wherein the embedded structure is respectively arranged on the foundation base plate and the structure side wall, and the supporting rod is arranged between the foundation base plate and the structure side wall and is connected with the embedded structure.
Further, the backfill structure comprises a bottom cushion layer, a backfill layer and a pouring layer, wherein the bottom cushion layer, the backfill layer and the pouring layer are arranged layer by layer from bottom to top, the bottom cushion layer is positioned between the foundation base plate and the support pile, and the backfill layer and the pouring layer are arranged between the side wall of the structure and the support pile.
Further, the stay bar is inclined by 45 degrees, and the end parts of the stay bar are respectively connected with the embedded structure on the foundation base plate and the embedded structure on the structure side wall.
Further, the embedded structure comprises embedded ribs and embedded plates, the embedded ribs are arranged on the inner sides of the embedded plates, the embedded ribs are located in the foundation base plate or the structure side wall, and the embedded plates are located in the foundation base plate or the structure side wall and are flush with the surface of the foundation base plate or the structure side wall.
Further, the embedded bars are L-shaped steel bars, and the thickness of the embedded bars is the same as that of the foundation slab or the side wall of the structure.
Further, the bottom cushion layer is a plain concrete layer, the backfill layer is a plain soil layer, and the pouring layer is a concrete layer.
Preferably, the stay bar is a steel inclined stay bar, the embedded plate is a steel plate, and the stay bar is welded with the embedded plate.
The utility model has the following beneficial effects:
the embedded structure is embedded in the side wall and the foundation slab, and the supporting rods are arranged through the embedded structure to replace concrete piers for supporting, so that pouring and dismantling of the concrete piers are avoided, the construction efficiency is improved, and the material waste is reduced;
the foundation slab is constructed firstly, so that the support of the support structure is realized, support nodes are not required to be arranged, the construction of the backfill layer is carried out together, the support stability is improved, and the safety is higher; the backfill structure is arranged in a layered mode, and has the advantages of being integral, supporting, extrusion-resistant and good in impermeability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 3 is a schematic view of a support structure according to the present utility model;
FIG. 4 is a schematic side view of the pre-buried structure of the present utility model;
fig. 5 is a schematic front view of the embedded structure of the present utility model.
Reference numerals: 1-foundation slab, 2-structure side walls, 3-backfill structure, 31-bottom cushion layer, 32-backfill layer, 33-pouring layer, 4-supporting structure, 41-stay bar, 42-pre-buried structure, 421-pre-buried ribs and 422-pre-buried plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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 the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
As shown in figures 1 and 2, the combined supporting structure for replacing the support by utilizing the basement structure and the steel diagonal bracing is located in a deep foundation pit, the deep foundation pit comprises supporting piles, waterproof curtains and concrete supporting layers, the supporting piles are arranged on the outer sides of the waterproof curtains, the concrete supporting layers are arranged in the deep foundation pit at intervals, the combined supporting structure comprises a foundation slab 1, a structure side wall 2, a backfilling structure 3 and a supporting structure 4, the foundation slab 1 is arranged at the bottom of the foundation pit, the structure side wall 2 is arranged on the foundation slab 1 and is located on two sides of the foundation slab 1, the backfilling structure 3 is located between the structure side wall 2 and the supporting piles to play a supporting role, extrusion of the foundation slab 1 and the structure side wall 2 when concrete backfilling is completely adopted is avoided, the supporting structure 4 is arranged between the structure side wall 2 and the foundation slab 1, and the backfilling structure 3 and the supporting structure 4 are respectively located on two sides of the structure side wall 2.
As shown in fig. 3, further, the supporting structure 4 includes a supporting rod 41 and an embedded structure 42, the embedded structure 42 is respectively disposed on the base plate 1 and the structural side wall 2, and the supporting rod 41 is disposed between the base plate 1 and the structural side wall 2 and is connected with the embedded structure 42.
As shown in fig. 2, further, the backfill structure 3 includes a bottom cushion layer 31, a backfill layer 32 and a pouring layer 33, where the bottom cushion layer 31, the backfill layer 32 and the pouring layer 33 are disposed layer by layer from bottom to top, the bottom cushion layer 31 is constructed along with the foundation slab 1, the backfill layer 32 and the pouring layer 33 are backfilled after the construction of the side wall 2 is completed, the bottom cushion layer 31 is located between the foundation slab 1 and the supporting piles, and the backfill layer 32 and the pouring layer 33 are disposed between the side wall 2 and the supporting piles.
Further, the stay bar 41 is inclined at 45 degrees, and the end parts of the stay bar are respectively connected with the embedded structure 42 on the foundation slab 1 and the embedded structure 42 on the structural side wall 2.
Preferably, the distance between the embedded structure 42 on the foundation slab 1 and the structure side wall 2 is 2m.
As shown in fig. 4 and 5, further, the pre-buried structure 42 includes a pre-buried rib 421 and a pre-buried plate 422, the pre-buried rib 421 is disposed on the inner side of the pre-buried plate 422, the pre-buried rib 421 is disposed in the base plate 1 or the structural side wall 2, and the pre-buried plate 422 is disposed in the base plate 1 or the structural side wall 2 and is flush with the surface thereof. The surface of the embedded plate 422 is arranged to be flush, so that connection convenience with the stay bar 41 is guaranteed, and meanwhile, after the stay bar is removed, the foundation slab 1 and the structural side wall 2 do not need to be treated, so that labor intensity is reduced.
Further, the pre-buried rib 421 is an L-shaped rib, and the thickness of the L-shaped rib is the same as that of the foundation slab 1 or the structural side wall 2.
Further, the bottom cushion layer 31 is a plain concrete layer, the backfill layer 32 is a plain soil layer, and the casting layer 33 is a concrete layer.
Preferably, the stay bar 41 is a steel diagonal stay bar, the embedded plate 422 is a steel plate, and the stay bar 41 and the embedded plate 422 are welded and connected.
The construction process of the utility model is as follows:
firstly, constructing a support pile and a waterproof curtain;
secondly, excavating construction of the deep foundation pit from top to bottom, and constructing a concrete supporting layer by layer according to design requirements;
thirdly, after the deep foundation pit is excavated to the elevation of the bottom of the foundation pit, pouring a cushion layer and a supporting edge;
fourthly, constructing the foundation slab 1, then continuing to construct upwards to the structural side wall 2, and arranging the supporting structure 4 to support the structural side wall 2;
fifthly, after the structural strength meets the requirement, removing the concrete supporting layer by layer from bottom to top, removing the corresponding concrete supporting layer, simultaneously constructing the corresponding structural side wall 2, backfilling to the corresponding elevation position, and then carrying out floor slab support replacement;
and sixthly, constructing layer by layer from bottom to top according to the operation of the step five until the construction reaches the ground height.
Further, the specific construction operation of the fourth step is as follows:
after the cushion layer is constructed, binding and supporting are carried out, meanwhile, the embedded structure 42 is embedded in the corresponding position, then pouring of the foundation slab 1 and the structural side wall 2 is carried out, the embedded structure 42 is poured into the structure, meanwhile, pouring of the bottom cushion layer 31 is carried out, after the structural strength of the structural side wall 2 meets the requirement, the supporting rod 41 and the embedded structure 42 are welded, after the construction of the underground main body structure is finished, backfilling of the backfill layer 32 and the pouring layer 33 is carried out in a fertilizer groove between the structural side wall 2 and the supporting pile, and the structural side wall 2, the backfill structure 3 and the supporting structure 4 form an integral inner supporting structure which replaces bottom concrete supporting to play a temporary supporting role.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The combined supporting structure is positioned in a deep foundation pit, the deep foundation pit comprises supporting piles, waterproof curtains and a concrete supporting layer, the supporting piles are arranged on the outer side of the waterproof curtains, and the concrete supporting layer is arranged in the deep foundation pit at intervals, and the combined supporting structure is characterized by comprising a foundation slab (1), a structure side wall (2), a backfilling structure (3) and a supporting structure (4), wherein the foundation slab (1) is arranged at the bottom of the foundation pit, the structure side wall (2) is arranged on the foundation slab (1) and is positioned on two sides of the foundation slab (1), the backfilling structure (3) is positioned between the structure side wall (2) and the supporting piles, and the supporting structure (4) is arranged between the structure side wall (2) and the foundation slab (1) and is positioned on two sides of the structure side wall (2) respectively;
the supporting structure (4) comprises a supporting rod (41) and an embedded structure (42), the embedded structure (42) is respectively arranged on the foundation base plate (1) and the structure side wall (2), and the supporting rod (41) is arranged between the foundation base plate (1) and the structure side wall (2) and is connected with the embedded structure (42).
2. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 1, wherein the composite support structure comprises: the backfill structure (3) comprises a bottom cushion layer (31), a backfill layer (32) and a pouring layer (33), wherein the bottom cushion layer (31), the backfill layer (32) and the pouring layer (33) are arranged layer by layer from bottom to top, the bottom cushion layer (31) is positioned between the foundation slab (1) and the supporting piles, and the backfill layer (32) and the pouring layer (33) are arranged between the side wall (2) of the structure and the supporting piles.
3. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 1, wherein the composite support structure comprises: the stay bar (41) is inclined by 45 degrees, and the end parts of the stay bar are respectively connected with the embedded structure (42) on the foundation base plate (1) and the embedded structure (42) on the structure side wall (2).
4. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 1, wherein the composite support structure comprises: the embedded structure (42) comprises embedded ribs (421) and embedded plates (422), the embedded ribs (421) are arranged on the inner sides of the embedded plates (422), the embedded ribs (421) are located in the foundation base plate (1) or the structural side wall (2), and the embedded plates (422) are located in the foundation base plate (1) or the structural side wall (2) and are flush with the surfaces of the embedded ribs.
5. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 4, wherein the composite support structure comprises: the embedded ribs (421) are L-shaped steel ribs, and the thickness of the embedded ribs is the same as that of the foundation slab (1) or the structural side wall (2).
6. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 2, wherein: the bottom cushion layer (31) is a plain concrete layer, the backfill layer (32) is a plain soil layer, and the pouring layer (33) is a concrete layer.
7. The composite support structure for replacing a support by using a basement structure and a steel diagonal brace according to claim 4, wherein the composite support structure comprises: the stay bar (41) is a steel inclined stay bar, the embedded plate (422) is a steel plate, and the stay bar (41) is welded with the embedded plate (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266274.XU CN219364635U (en) | 2023-02-21 | 2023-02-21 | Combined supporting structure for replacing support by utilizing basement structure and steel diagonal support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266274.XU CN219364635U (en) | 2023-02-21 | 2023-02-21 | Combined supporting structure for replacing support by utilizing basement structure and steel diagonal support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219364635U true CN219364635U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320266274.XU Active CN219364635U (en) | 2023-02-21 | 2023-02-21 | Combined supporting structure for replacing support by utilizing basement structure and steel diagonal support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219364635U (en) |
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2023
- 2023-02-21 CN CN202320266274.XU patent/CN219364635U/en active Active
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