CN217174832U - Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction - Google Patents
Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction Download PDFInfo
- Publication number
- CN217174832U CN217174832U CN202220707192.XU CN202220707192U CN217174832U CN 217174832 U CN217174832 U CN 217174832U CN 202220707192 U CN202220707192 U CN 202220707192U CN 217174832 U CN217174832 U CN 217174832U
- Authority
- CN
- China
- Prior art keywords
- steel
- beam body
- foundation pit
- deep foundation
- steel pipe
- 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
- 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
Landscapes
- Foundations (AREA)
Abstract
The utility model relates to a face forever in combining shaped steel and support for deep basal pit lid digs construction, be used for deep basal pit lid to dig construction face forever in combining shaped steel and support including: the beam body is horizontally arranged in the deep foundation pit; the steel pipe columns are arranged at intervals along the length direction of the beam body and penetrate through the beam body; the hoop pieces are sleeved and fixed outside the steel pipe columns in a one-to-one correspondence manner; and the profile steel is arranged between every two adjacent steel pipe columns, is fixedly connected with the outer surface of the hoop part, and is arranged in the beam body and positioned at one side close to the bottom surface of the beam body. The utility model discloses technical scheme has higher overall structure intensity, need not to demolish shaped steel, can improve interim bearing structure's utilization ratio to the operating efficiency has been improved.
Description
Technical Field
The utility model relates to a foundation ditch construction technical field especially relates to a face forever and combine shaped steel interior support that is used for deep basal pit to cover to dig construction.
Background
With the rapid development of cities and the development and utilization of underground spaces, the underground spaces are developed in a deeper direction, and the depth of a foundation pit is deeper and deeper. When underground engineering is constructed, the novel engineering construction method is adopted for passing through obstacles such as roads, buildings and the like, the top is sealed after the underground engineering is excavated downwards to a certain depth from the ground, and the rest lower engineering is constructed under a sealed top cover.
However, in the related art, the deformation of the underground continuous wall generates a lateral force on the supporting structure in the deep foundation pit, so that the supporting structure is deformed, and the strength of the whole structure is greatly reduced; in addition, part bearing structure need be demolishd when the construction, and interim bearing structure utilization ratio is less to increase and demolish the time limit for a project of interim bearing structure, greatly reduced operating efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a face forever and combine the shaped steel in being used for deep basal pit to cover to dig construction and support, have higher overall structure intensity, need not to demolish shaped steel, can improve interim bearing structure's utilization ratio to improve the operating efficiency, had better suitability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a face forever in combination shaped steel interior support for deep basal pit lid is dug and is under construction, includes:
the beam body is horizontally arranged in the deep foundation pit;
the steel pipe columns are arranged at intervals along the length direction of the beam body and penetrate through the beam body;
the hoop pieces are sleeved and fixed outside the steel pipe columns in a one-to-one correspondence manner;
and the profile steel is arranged between every two adjacent steel pipe columns, is fixedly connected with the outer surface of the hoop part, and is arranged in the beam body and positioned at one side close to the bottom surface of the beam body.
Preferably, the distance between the bottom surface of the section steel and the bottom surface of the beam body is less than or equal to 160 mm.
Preferably, a plurality of section steels are arranged between two adjacent steel pipe columns, one side of the section steel close to the steel pipe columns is fixedly connected with the hoop part, the other side of the section steel is fixedly connected with the adjacent section steel, and two sides of each section steel are fixedly connected with the adjacent section steel.
Preferably, the permanent-face combined type steel inner support for deep foundation pit cover excavation construction further comprises a connecting plate, and two adjacent type steels are fixedly connected through the connecting plate.
Preferably, the section steel is in welded connection with the outer surface of the hoop piece.
Preferably, the hoop member comprises a pair of steel plates sleeved outside the steel pipe column, and lug plates arranged on two sides of each steel plate, the permanent-faced combined-type steel inner support for deep foundation pit cover excavation construction further comprises a bolt member, and the bolt member penetrates through the two corresponding lug plates and is locked and fixed.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the technical scheme, the permanent-faced combined profile steel inner support for deep foundation pit cover excavation construction is arranged between two adjacent steel pipe columns through profile steel, and the profile steel can provide lateral supporting force for the steel pipe columns, prevent the steel pipe columns from deforming and improve the strength of the whole structure; meanwhile, the profile steel which is arranged in the beam body and is positioned at one side close to the bottom surface of the beam body can be permanently arranged in the beam body instead of the bottom rib of the beam body, so that the reinforcement ratio of the beam body is greatly reduced, the utilization rate of the profile steel is improved, the operation efficiency is improved, and the construction period is shortened; connect steel-pipe column and shaped steel through staple bolt spare, need not to weld on the steel-pipe column, effectively avoid appearing the condition of linking the weak face on the steel-pipe column, better assurance the quality of steel-pipe column for bearing structure is more firm, has better suitability.
Drawings
Fig. 1 is a schematic structural view of a deep foundation pit in an embodiment of the present invention;
FIG. 2 is a schematic structural view of the beam and the section steel shown in FIG. 1;
FIG. 3 is a schematic top view of a portion of the assembly of FIG. 1;
fig. 4 is an enlarged schematic view of a portion of the assembly shown in fig. 1.
Description of the symbols of the drawings:
1. a beam body; 2. steel pipe columns; 3. a hoop member; 31. a steel plate; 32. an ear plate; 4. section steel; 5. a deep foundation pit; 51. a negative structural layer; 52. negative two structural layers; 53. a cushion layer bottom; 6. a connecting plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 4, an embodiment of the present invention provides an inner support of a permanent facing combined profile steel for deep pit cover excavation construction, including at least:
the beam body 1 is horizontally arranged in the deep foundation pit 5; the steel pipe columns 2 are arranged at intervals along the length direction of the beam body 1 and penetrate through the beam body 1; the plurality of hoop members 3 are sleeved and fixed outside the steel pipe columns 2 in a one-to-one correspondence manner; and the section steel 4 is arranged between every two adjacent steel pipe columns 2, is fixedly connected with the outer surface of the hoop part 3, and is arranged in the beam body 1 and positioned at one side close to the bottom surface of the beam body 1.
It can be understood that the deep foundation pit 5 includes a negative structural layer 51, a negative secondary structural layer 52 and a cushion bottom 53, the beam body 1 is located in the negative secondary structural layer 52, one side of the steel pipe column 2 is arranged in the cushion bottom 53, the other side of the steel pipe column passes through the negative secondary structural layer 52 and is arranged in the negative structural layer 51, the steel pipe column 2 plays a supporting role in the deep foundation pit 5 in the vertical direction, specifically, the axial dimension of each steel pipe column 2 exposed to the cushion bottom 53 is 11m, the slenderness ratio and the stress ratio of the steel pipe column 2 are over-limited, the overall stability of the steel pipe column 2 can be improved through the horizontally arranged section steel 4, the section steel 4 can provide a lateral supporting force for the steel pipe column 2, the steel pipe column 2 is prevented from being deformed, and the strength of the overall structure is improved.
The section steel 4 is arranged in the beam body 1 and positioned on one side close to the bottom surface of the beam body 1, and the section steel 4 is arranged in the beam body 1 as a permanent structure during concrete pouring and can replace bottom ribs of the beam body 1, so that the reinforcement arrangement rate of the beam body 1 is greatly reduced, the utilization rate of the section steel 4 is improved, the operation efficiency is improved, and the construction period is shortened; preferably, the Q355BH section steel 4 with the weight of 300X 10X 15 is adopted, so that the section steel 4 has better strength, and the lateral supporting effect on the steel pipe column 2 is further improved; connect steel-pipe column 2 and shaped steel 4 through embracing hoop 3, need not directly to weld on steel-pipe column 2, effectively avoid appearing the condition of coherent weak face on the steel-pipe column 2, better assurance the quality of steel-pipe column 2 for bearing structure is more firm.
In a preferred embodiment, as shown in fig. 2, the cross section of the beam body 1 in the height direction is rectangular, the height dimension of the cross section is 1000mm, the width dimension is 500mm, a Q355BH section steel 4 of 300 × 10 × 15 is used, the distance dimension between the bottom surface of the section steel 4 and the bottom surface of the beam body 1 is 160mm or less, and the section steel 4 is installed on the side of the cross section of the beam body 1 close to the bottom, so that the reinforcement ratio of the beam body 1 can be greatly reduced, and the utilization ratio of the section steel 4 can be improved.
Specifically, as shown in fig. 1, 3 and 4, in the specific structure of the hoop member 3, the hoop member 3 includes a pair of steel plates 31 sleeved outside the steel pipe column 2, and ear plates 32 disposed at two sides of each steel plate 31, the permanent adjacent combined section steel inner support for deep foundation pit cover excavation construction further includes a bolt member, and the bolt member passes through the two corresponding ear plates 32 and is locked and fixed; the section steel 4 is connected with the outer surface of the hoop member 3 in a welding mode.
It can be understood that a plurality of hoop members 3 can be arranged, each hoop member 3 is sleeved and fixed outside each steel pipe column 2 in a one-to-one correspondence manner, each hoop member 3 comprises a pair of steel plates 31 and ear plates 32, the steel plates 31 are semi-arc-shaped, the two steel plates 31 form a complete circle and are sleeved and fixed on the outer surface of the steel pipe column 2, the ear plates 32 and the corresponding steel plates 31 are arranged in an integrated manner, bolts lock and fix the two opposite ear plates 32, namely, the pair of steel plates 31 are fixedly connected, so that the hoop members 3 can be sleeved and fixed outside the steel pipe column 2, the section steel 4 is welded and fixed on the steel plates 31, namely, the section steel 4 is fixedly connected with the steel pipe column 2 through the hoop members 3, because the welding is carried out between the section steel 4 and the hoop members 3, the welding on the steel pipe column 2 is not required to be directly carried out, the condition of continuous weak surfaces on the steel pipe column 2 is effectively avoided, and the quality of the steel pipe column 2 is better ensured, the supporting structure is more stable; the section steel 4 and the hoop part 3 are integrally arranged after being welded in a factory and are used in an excavation site of the deep foundation pit 5, so that the field operation amount can be reduced; in addition, the section steel 4 and the hoop 3 are welded to form a gap, and the gap is filled with high-pressure grouting material to form an integral structure so as to improve the stability of the integral structure.
In one embodiment, it should be noted that, two adjacent steel pipe columns 2 may be connected by one profile steel 4 or a plurality of profile steels 4, as shown in fig. 3 to 4, in this embodiment, a plurality of profile steels 4 are disposed between two adjacent steel pipe columns 2, one side of the profile steel 4 close to the steel pipe column 2 is welded and fixed to the hoop member 3, the other side is fixedly connected to the adjacent profile steel 4, both sides of each profile steel 4 are fixedly connected to the adjacent profile steel 4, and a plurality of profile steels 4 are disposed between two adjacent steel pipe columns 2, so that the weight taken by an operator when the profile steels 4 are installed is reduced, which is beneficial to installation of the profile steels 4; and can adjust the quantity of setting of shaped steel 4 according to the interval difference between two adjacent steel-pipe columns 2, more use scenes of adaptation.
As a preferred embodiment, the permanently bonded profile steel inner support for deep foundation pit cover excavation construction further comprises a connecting plate 6, two adjacent profile steels 4 are fixedly connected through the connecting plate 6, one or more connecting plates 6 can be arranged, and the number of the connecting plates can be adjusted according to needs, in this embodiment, a plurality of connecting plates 6 are arranged, and two adjacent profile steels 4 can be fixedly connected through the plurality of connecting plates 6 more stably.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a face forever in combination shaped steel and support that is used for deep basal pit to cover to dig construction which characterized in that includes:
the beam body (1) is horizontally arranged in the deep foundation pit (5);
the steel pipe columns (2) are arranged at intervals along the length direction of the beam body (1) and penetrate through the beam body (1);
the hoop members (3) are sleeved and fixed outside the steel pipe columns (2) in a one-to-one correspondence manner;
and the section steel (4) is arranged between every two adjacent steel pipe columns (2), is fixedly connected with the outer surface of the hoop part (3), and is arranged in the beam body (1) and positioned at one side close to the bottom surface of the beam body (1).
2. The permanently bonded steel inner support for deep foundation pit cover excavation according to claim 1, wherein the distance between the bottom surface of the steel section (4) and the bottom surface of the beam body (1) is less than or equal to 160 mm.
3. The permanent adjacent combined profile steel inner support for deep foundation pit cover excavation construction according to claim 1, wherein a plurality of profile steels (4) are arranged between two adjacent steel pipe columns (2), one side of the profile steel (4) close to the steel pipe columns (2) is fixedly connected with the hoop member (3), the other side of the profile steel (4) is fixedly connected with the adjacent profile steel (4), and in addition, two sides of each profile steel (4) are fixedly connected with the adjacent profile steel (4).
4. The permanently bonded steel inner support for deep foundation pit cover excavation construction according to claim 3, wherein the permanently bonded steel inner support for deep foundation pit cover excavation construction further comprises a connecting plate (6), and two adjacent steel sections (4) are fixedly connected through the connecting plate (6).
5. The permanent-faced combined steel inner support for deep foundation pit cover excavation construction according to claim 1, wherein the steel section (4) is in welded connection with the outer surface of the hoop member (3).
6. The permanent adjacent combined profiled bar inner support for deep foundation pit cover excavation construction according to claim 1, wherein the hoop member (3) comprises a pair of steel plates (31) sleeved outside the steel pipe column (2), and lug plates (32) arranged on two sides of each steel plate (31), and the permanent adjacent combined profiled bar inner support for deep foundation pit cover excavation construction further comprises a bolt member, and the bolt member penetrates through the corresponding two lug plates (32) and is locked and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707192.XU CN217174832U (en) | 2022-03-28 | 2022-03-28 | Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707192.XU CN217174832U (en) | 2022-03-28 | 2022-03-28 | Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217174832U true CN217174832U (en) | 2022-08-12 |
Family
ID=82745387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707192.XU Active CN217174832U (en) | 2022-03-28 | 2022-03-28 | Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217174832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117144977A (en) * | 2023-10-26 | 2023-12-01 | 上海建工集团股份有限公司 | Method for constructing residential building basement by reverse construction method column drawing |
| CN117342407A (en) * | 2023-09-20 | 2024-01-05 | 广州一建建设集团有限公司 | Combined portal frame for inclined pulling hoisting of hillside and construction method |
-
2022
- 2022-03-28 CN CN202220707192.XU patent/CN217174832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117342407A (en) * | 2023-09-20 | 2024-01-05 | 广州一建建设集团有限公司 | Combined portal frame for inclined pulling hoisting of hillside and construction method |
| CN117144977A (en) * | 2023-10-26 | 2023-12-01 | 上海建工集团股份有限公司 | Method for constructing residential building basement by reverse construction method column drawing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217174832U (en) | Permanent-face combined profile steel inner support for deep foundation pit cover excavation construction | |
| CN108547645B (en) | Assembled tunnel supporting device and method capable of realizing prestress | |
| CN112832257A (en) | Foundation pit enclosure type LHW construction method | |
| CN201250408Y (en) | Recovery type steel structure foundation pit exterior-protected device | |
| CN113513025A (en) | Foundation pit support form LHCW construction method | |
| CN110777809A (en) | Deep foundation pit combined support adjacent to existing building and construction method thereof | |
| CN111236952A (en) | Full-recovery assembly type rectangular pipe-jacking working well steel structure supporting device and construction method of working well | |
| CN108999199B (en) | Combined foundation pit supporting method | |
| CN211228523U (en) | Deep foundation pit combined support adjacent to existing building | |
| CN219410885U (en) | Combined reinforcing structure for pit wall of deep foundation pit | |
| CN210195766U (en) | Underground structure is built in same direction as digging to hunch lid | |
| CN213805443U (en) | Steel construction, frame beam structure, side slope reinforced structure and reinforcement and support structure | |
| KR20160106357A (en) | PHC Pile having Steel Bands, Retaining Wall using such PHC Piles, and Constructing Method of such Retaining Wall | |
| CN111778995B (en) | Foundation pit protection structure and construction method thereof | |
| CN211312543U (en) | Deep foundation pit supporting combined structure for quicksand section | |
| CN210195752U (en) | Underground structure is built to arched cover undercut | |
| CN212428824U (en) | Steel structure supporting device of full-recovery assembly type rectangular pipe-jacking working well | |
| CN210827482U (en) | Foundation ditch ramp reinforcing and supporting structure under heavy load current condition | |
| CN201883449U (en) | Sea wall structure of compound pile | |
| KR101952669B1 (en) | Temporary facility circular retaining wall method using arched steel plate and guide structure | |
| CN111576447B (en) | Assembled pipe-jacking working pit supporting structure and construction process thereof | |
| CN215715532U (en) | Cross-shaped steel of ultra-deep subway station foundation pit by cover-excavation method faces binding post forever | |
| CN219710320U (en) | Protection structure for pipeline between subway foundation pit guard piles | |
| CN218933135U (en) | Structure of foundation pit supporting pile serving as pile foundation | |
| CN212896383U (en) | Connection structure of deep basal pit reinforcing lattice column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |