CN114562028A - Unloading steel support node structure of stiff overhanging structure - Google Patents
Unloading steel support node structure of stiff overhanging structure Download PDFInfo
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- CN114562028A CN114562028A CN202210296922.6A CN202210296922A CN114562028A CN 114562028 A CN114562028 A CN 114562028A CN 202210296922 A CN202210296922 A CN 202210296922A CN 114562028 A CN114562028 A CN 114562028A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 119
- 239000010959 steel Substances 0.000 title claims abstract description 119
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 10
- 239000011148 porous material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011378 shotcrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Structural Engineering (AREA)
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The application relates to an uninstallation steel support node structure of strength nature structure of encorbelmenting belongs to construction technical field. The structure comprises a section steel supporting beam arranged on a concrete constructional column or a steel structure supporting frame, wherein a supporting steel plate is fixedly arranged at the top end of the section steel supporting beam, an adjusting hole is formed in the supporting steel plate, an adjusting rod is slidably arranged in the adjusting hole, and a fixing device for fixing the adjusting rod in the adjusting hole is arranged on the supporting steel plate; one end of the adjusting rod, which is far away from the section steel supporting beam, is in threaded connection with a supporting rod for supporting the steel beam, and a convex block is fixedly arranged on the side surface of the supporting rod. The length of the support rod above and below the support steel plate is changed through the sliding adjusting rod, so that the height of the support rod above the support steel plate is adjusted, and the accurate positioning of the height of the bottom surface of the steel beam is realized; after concrete is poured outside the steel beam and solidified, the adjusting rod can be rotated out of the concrete in a reverse rotating mode, the corrosion to structural steel bars and a steel structure is reduced, and the durability and the construction quality of the stiff cantilever structure are improved.
Description
Technical Field
The application relates to the technical field of building construction, in particular to an unloading steel support node structure of a stiff overhanging structure.
Background
In the construction of building structures, a large-span stiff overhanging conversion structure unloading procedure is frequently encountered. The steel structure is supported on interim steel shotcrete earlier promptly, unloads and demolish interim steel shotcrete after the conversion structure concrete intensity of encorbelmenting reaches the design requirement, bears the weight of conversion by interim support frame and bears the weight of by structure self.
The common unloading temporary steel support node is simple in structure, a steel support is arranged on a support frame, and the steel support is welded with the steel support after the elevation of the steel beam is adjusted; and (3) supporting a template at the bottom of the beam, placing a jack on the support frame after the casting molding reaches the design strength, placing a steel pad box or a steel pad plate on the jack, cutting off the steel support after the jack tightly pushes the stiff beam, and entering an unloading process. In the construction process, because of the error of the construction elevation of the constructional column or the support frame, the steel support length needs to be cut short or lengthened for finally determining and fixing the beam bottom elevation; due to the existence of steel supports, the difficulty of formwork support at the bottom of the stiffened beam is high, the abutted seam is not tight, and slurry leakage is easy to occur; the steel pad box or the steel pad is not fixed with the structure, and the jack is easy to slide after being eccentrically pushed.
In view of the above-mentioned related technologies, the inventor believes that the large residual cross section left after the steel support is cut off is liable to generate corrosion on the steel bar and the steel beam, which affects the durability of the concrete.
Disclosure of Invention
In order to improve the durability of a stiff cantilever structure, the application provides an unloading steel support node structure of the stiff cantilever structure.
The application provides a structure is encorbelmented to uninstallation steel support node structure of strength nature adopts following technical scheme:
an unloading steel support node structure of a stiff cantilever structure comprises a section steel support beam arranged on a concrete constructional column or a steel structure support frame, wherein a support steel plate is fixedly arranged at the top end of the section steel support beam, an adjusting hole is formed in the support steel plate, an adjusting rod is slidably arranged in the adjusting hole, and a fixing device used for fixing the adjusting rod in the adjusting hole is arranged on the support steel plate; one end of the adjusting rod, which is far away from the section steel supporting beam, is in threaded connection with a supporting rod for supporting a steel beam, and a convex block is fixedly arranged on the side surface of the supporting rod.
By adopting the technical scheme, the length of the sliding adjusting rod above and below the supporting steel plate is changed, and the adjusting rod is fixed through the fixing device, so that the height of the supporting rod above the supporting steel plate is adjusted, and the height of the bottom surface of the steel beam is accurately positioned; after the concrete is poured outside the steel beam and solidified, the supporting rods are matched with the convex blocks, the supporting rods can be better fixed in the poured concrete, the adjusting rods can be better screwed out of the concrete through the reverse rotation of the adjusting rods, the corrosion to structural steel bars and steel structures is reduced, and the durability and the construction quality of the steel cantilever structure are improved.
Optionally, a reinforcing plate is fixedly arranged on the side surface of the supporting rod, and one side of the reinforcing plate is fixedly connected with the bump.
Through adopting above-mentioned technical scheme, the reinforcing plate reinforcing lug structural strength on the bracing piece to better fix the bracing piece in concreting.
Optionally, the fixing device includes a fixing block, and a sliding groove for the fixing block to slide is formed in the side surface of the adjusting rod; the fixed block is sleeved with a spring, two ends of the spring are respectively fixed on the groove wall of the sliding groove and the fixed block, and the adjusting rod is provided with an actuating component which actuates the end part of the fixed block to abut against the wall of the adjusting hole.
By adopting the technical scheme, when the position of the adjusting rod slides well, the end part of the fixing block is pressed on the hole wall of the adjusting hole through the driving assembly, so that the aim of fixing the adjusting rod in the adjusting hole without sliding can be fulfilled; when the adjusting rod needs to slide, the spring can make the end part of the fixing block retract into the sliding groove, and the influence of the fixing block on the sliding of the adjusting rod is reduced.
Optionally, the driving assembly comprises a screw rod in threaded connection with one end of the adjusting rod, and the screw rod is located at one end of the adjusting rod, which is far away from the supporting rod; the adjusting rod is internally provided with an actuating hole communicated with the sliding groove, an actuating piece used for pushing the fixed block to slide is arranged in the actuating hole, and the actuating piece is fixedly connected to one end of the screw rod.
Through adopting above-mentioned technical scheme, rotatory screw rod can let order about the piece and order about downthehole rotation and slip, and the rotation or the slip that order about the piece promote the fixed block and slide in the sliding tray to the tip that makes the fixed block supports tightly on the pore wall of regulation hole.
Optionally, the driving member includes a cylindrical block, an arc-shaped block is fixedly arranged on the circumferential surface of the cylindrical block, and one end of the fixed block abuts against the arc-shaped surface of the arc-shaped block.
Through adopting above-mentioned technical scheme, the rotation of cylinder piece can drive the arc piece and rotate together, lets the one end butt of fixed block in the arcwall face different positions of arc piece to make the fixed block slide in the sliding tray, be convenient for let the fixed block keep away from the one end of arc piece and support tightly on the pore wall of regulation hole.
Optionally, the driving member includes a driving column, an inclined groove is formed on the circumferential surface of the driving column, and one end of the fixing block abuts against the inclined surface of the inclined groove.
Through adopting above-mentioned technical scheme, the position change that can drive the inclined groove of the slip of drive post lets the one end butt of fixed block in the different positions of inclined plane of inclined groove to make the fixed block slide in the sliding tray, be convenient for let the fixed block keep away from the one end of drive post and support tightly on the pore wall of regulation hole.
Optionally, a knob is fixedly arranged at one end of the screw rod, which is far away from the actuating piece.
Through adopting above-mentioned technical scheme, the knob can let the better rotation of screw rod, and the tip of the fixed block of being convenient for supports tightly on the pore wall of adjusting hole.
Optionally, the end of the fixing block is fixedly provided with an anti-slip block.
Through adopting above-mentioned technical scheme, the fixed block supports tightly on the pore wall of regulation hole through the non slipping spur, can reduce the relative pore wall of regulation hole of fixed block and appear gliding condition to better fix the regulation pole in the regulation hole.
Optionally, one end of the adjusting rod close to the supporting rod is in a truncated cone shape.
By adopting the technical scheme, the end part of the adjusting rod in the shape of the truncated cone can be screwed out of the concrete better when the adjusting rod rotates reversely.
In summary, the present application includes at least one of the following beneficial technical effects: the length of the support steel plate is changed by sliding the adjusting rod, and the adjusting rod is fixed by the fixing device, so that the height of the supporting rod on the support steel plate is adjusted, and the precise positioning of the bottom elevation of the steel beam is realized; after the concrete is poured outside the steel beam and solidified, the supporting rods are matched with the convex blocks, the supporting rods can be better fixed in the poured concrete, the adjusting rods can be better screwed out of the concrete through the reverse rotation of the adjusting rods, the corrosion to structural steel bars and a steel structure is reduced, and the durability and the construction quality of the stiff cantilever structure are improved.
Drawings
FIG. 1 is an elevation view of an unloaded steel support node configuration of a stiff cantilevered structure of the present application;
FIG. 2 is a side view of an unloaded steel support node configuration of a stiff cantilevered structure of the present application;
FIG. 3 is a partial cross-sectional view of a support steel plate and an adjustment bar in an unloaded steel support node configuration of a stiff cantilevered structure of the present application;
fig. 4 is a partial cross-sectional view of an adjustment bar in another embodiment of an unloaded steel support node configuration of a stiff cantilevered structure of the present application.
Description of reference numerals:
1. a section steel support beam; 2. a support steel plate; 3. an adjustment hole; 4. adjusting a rod; 51. a fixed block; 52. a sliding groove; 53. a spring; 54. a screw; 55. driving the hole; 56. a cylindrical block; 57. an arc-shaped block; 58. a drive column; 59. an inclined groove; 6. a support bar; 7. a bump; 8. a reinforcing plate; 9. a knob; 10. anti-skid blocks; 11. mounting blocks; 12. a thread groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-4 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses uninstallation steel support node structure of strength nature structure of encorbelmenting, refers to fig. 1 and fig. 2, and this structure is including setting up the shaped steel supporting beam 1 on concrete constructional column or steel structural support frame, and the top of shaped steel supporting beam 1 is fixed and is provided with supporting steel plate 2. In this embodiment, a steel plate can be pre-embedded in advance in a concrete constructional column or a steel structure support frame, and then the two section steel support beams 1 are fixed on the pre-embedded steel plate in a welding manner; the supporting steel plate 2 is fixed on the top end of the two steel supporting beams 1 in a welding mode.
Referring to fig. 1 and 2, an adjusting hole 3 is formed in a supporting steel plate 2, an adjusting rod 4 is slidably arranged in the adjusting hole 3, and a fixing device for fixing the adjusting rod 4 in the adjusting hole 3 is arranged on the supporting steel plate 2; one end of the adjusting rod 4 far away from the section steel supporting beam 1 is in threaded connection with a supporting rod 6 for supporting a steel beam. In the embodiment, four adjusting holes 3 are formed in the supporting steel plate 2; because the thickness of the supporting steel plate 2 is about 1cm generally, the mounting block 11 can be fixed on the lower surface of the supporting steel plate 2 in a welding mode, and the mounting block 11 is provided with a round hole communicated with the adjusting hole 3, so that the adjusting rod 4 can slide more stably in the adjusting hole 3 and the round hole. The end surface of the adjusting rod 4 close to the supporting rod 6 is provided with a thread groove 12, and the supporting rod 6 is in threaded connection with the end part of the adjusting rod 4 through the thread groove 12.
Referring to fig. 2 and 3, a protrusion 7 is fixedly disposed on a side surface of the support rod 6, a reinforcing plate 8 is fixedly disposed on a side surface of the support rod 6, and one side of the reinforcing plate 8 is fixedly connected with the protrusion 7. In the present embodiment, the bump 7 is fixed to the side of the support rod 6 by welding, and the reinforcing plate 8 is fixed to the surfaces of the support rod 6 and the bump 7 by welding. The reinforcing plate 8 can reinforce the structural strength of the projection 7 on the support rod 6, so that the support rod 6 can be better fixed in the cast concrete.
Referring to fig. 2 and 3, the fixing device includes a fixing block 51, and a sliding groove 52 for the fixing block 51 to slide is formed on a side surface of the adjusting rod 4; the fixed block 51 is sleeved with a spring 53, two ends of the spring 53 are respectively fixed on the groove wall of the sliding groove 52 and the fixed block 51, and the adjusting rod 4 is provided with an actuating component for actuating the end part of the fixed block 51 to abut against the hole wall of the adjusting hole 3. In this embodiment, when the position of the adjusting rod 4 slides well, the end of the fixing block 51 is pressed against the wall of the adjusting hole 3 or the circular hole by the driving assembly, so as to fix the adjusting rod 4 in the adjusting hole 3 and the circular hole without sliding; when the adjusting rod 4 needs to slide, the spring 53 can enable the end part of the fixing block 51 to be retracted into the sliding groove 52, and the influence of the fixing block 51 on the sliding of the adjusting rod 4 is reduced.
Referring to fig. 2 and 3, the end of the fixing block 51 is fixedly provided with the anti-skid block 10, and in this embodiment, the anti-skid block 10 is fixed to the end of the fixing block 51 by strong glue. The anti-slip block 10 is abutted against the hole wall of the adjusting hole 3 or the round hole, so that the sliding condition of the fixing block 51 relative to the hole wall of the adjusting hole 3 or the round hole can be reduced, and the adjusting rod 4 can be better fixed in the adjusting hole 3 and the round hole. In addition, one end of the adjusting rod 4 close to the supporting rod 6 is in a cone frustum shape, and the end part of the adjusting rod 4 in the cone frustum shape can be better screwed out of the concrete when the adjusting rod 4 is rotated reversely.
Referring to fig. 2 and 3, the actuating assembly includes a screw 54 threadedly coupled to one end of the adjusting lever 4, the screw 54 being located at one end of the adjusting lever 4 remote from the supporting rod 6; an actuating hole 55 communicated with the sliding groove 52 is formed in the adjusting rod 4, an actuating piece for pushing the fixing block 51 to slide is arranged in the actuating hole 55, and the actuating piece is fixedly connected to one end of the screw 54. In this embodiment, the rotating screw 54 can make the driving member rotate and slide in the driving hole 55, and the driving member rotates or slides to push the fixing block 51 to slide in the sliding groove 52, so that the end of the fixing block 51 abuts against the adjusting hole 3 or the hole wall of the circular hole.
Referring to fig. 2 and 3, a knob 9 is fixedly arranged at one end of the screw rod 54 far away from the actuating member, in this embodiment, the knob 9 is fixed at the end of the screw rod 54 by welding, and the knob 9 is located outside the adjusting rod 4. The screw 54 can be rotated better by the knob 9, so that the end of the fixing block 51 is abutted against the adjusting hole 3 or the hole wall of the round hole.
Referring to fig. 2 and 3, the actuating member includes a cylindrical block 56, an arc block 57 is fixedly disposed on a circumferential surface of the cylindrical block 56, and one end of the fixed block 51 abuts against an arc surface of the arc block 57. In this embodiment, the arc blocks 57 and the cylindrical block 56 may be integrally formed, and the arc blocks 57 may also be fixed on the circumferential surface of the cylindrical block 56 by welding. The rotation through cylinder piece 56 can drive arc piece 57 and rotate together, lets the one end butt of fixed block 51 in the arcwall face different positions of arc piece 57 to make fixed block 51 slide in sliding tray 52, be convenient for let the one end that fixed block 51 kept away from arc piece 57 support tightly on the pore wall of regulation hole 3.
The implementation principle of the uninstallation steel support node structure of a stiffness cantilever structure in the embodiment of the application is as follows: constructing a concrete constructional column or a steel structure support frame to a corresponding elevation, and pre-burying a steel plate on the concrete constructional column or the steel structure support frame in advance; welding two steel supporting beams 1 on the embedded steel plate, and welding supporting steel plates 2 with adjusting holes 3 on the two steel supporting beams 1; the length of the sliding adjusting rod 4 above and below the supporting steel plate 2 is changed, and the anti-skid block 10 is tightly abutted against the wall of the adjusting hole 3 or the circular hole by screwing the knob 9, so that the height of the supporting rod 6 on the supporting steel plate 2 is adjusted; and then the support rod 6 is connected with the support rod 6 in a threaded manner.
Hoisting the steel beam in place, temporarily supporting the steel beam through the support rod 6 to realize the accurate positioning of the elevation of the bottom surface of the steel beam, and then welding and fixing the support rod 6 and the steel beam; binding steel bars on the steel beams, manufacturing templates, pouring concrete, and integrally pouring the top of the adjusting rod 4, the supporting rod 6, the steel beams and the steel bars into the concrete; after the concrete is cured, the knob 9 is reversely screwed so that the anti-skid block 10 is separated from the hole wall of the adjusting hole 3, the supporting rod 6 can be better fixed in the poured concrete due to the matching of the supporting rod 6 and the lug 7, the adjusting rod 4 can be better screwed out of the adjusting rod 4 from the concrete through the reverse rotation of the adjusting rod 4, the corrosion to structural steel bars and a steel structure is reduced, and the durability and the construction quality of the stiff cantilever structure are improved.
The embodiment of the application also discloses an uninstallation steel support node structure of a stiffness overhanging structure, referring to fig. 4, the driving piece comprises a driving column 58, an inclined groove 59 is formed on the circumferential surface of the driving column 58, and one end of the fixing block 51 is abutted against the inclined surface of the inclined groove 59. The position of the inclined groove 59 can be driven to change by sliding of the driving column 58, one end of the fixing block 51 is abutted to different positions of the inclined surface of the inclined groove 59, so that the fixing block 51 slides in the sliding groove 52, and one end of the fixing block 51, which is far away from the driving column 58, is abutted to the hole wall of the adjusting hole 3.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (9)
1. An unloading steel support node structure of a stiff cantilever structure comprises a section steel support beam (1) arranged on a concrete constructional column or a steel structure support frame, wherein a support steel plate (2) is fixedly arranged at the top end of the section steel support beam (1), and is characterized in that an adjusting hole (3) is formed in the support steel plate (2), an adjusting rod (4) is arranged in the adjusting hole (3) in a sliding manner, and a fixing device for fixing the adjusting rod (4) in the adjusting hole (3) is arranged on the support steel plate (2); one end of the adjusting rod (4) far away from the section steel supporting beam (1) is in threaded connection with a supporting rod (6) used for supporting a steel beam, and a convex block (7) is fixedly arranged on the side face of the supporting rod (6).
2. The unloading steel support node structure of a stiff overhanging structure according to claim 1, characterized in that a reinforcing plate (8) is fixedly arranged on the side of the support rod (6), and one side of the reinforcing plate (8) is fixedly connected with the bump (7).
3. The unloading steel support node structure of a stiff overhanging structure according to claim 1, wherein the fixing device comprises a fixing block (51), and a sliding groove (52) for the fixing block (51) to slide is formed in the side surface of the adjusting rod (4); the fixed block (51) is sleeved with a spring (53), two ends of the spring (53) are respectively fixed on the groove wall of the sliding groove (52) and the fixed block (51), and the adjusting rod (4) is provided with an actuating component which drives the end part of the fixed block (51) to abut against the hole wall of the adjusting hole (3).
4. Unloading steel support node construction of a stiff cantilever structure according to claim 3, characterized in that the actuation assembly comprises a screw (54) threaded to the end of the adjusting rod (4), the screw (54) being located at the end of the adjusting rod (4) remote from the support rod (6); an actuating hole (55) communicated with the sliding groove (52) is formed in the adjusting rod (4), an actuating piece used for pushing the fixing block (51) to slide is arranged in the actuating hole (55), and the actuating piece is fixedly connected to one end of the screw rod (54).
5. The unloading steel support node structure of a stiff cantilever structure as claimed in claim 4, wherein the actuating member comprises a cylindrical block (56), an arc block (57) is fixedly arranged on the circumferential surface of the cylindrical block (56), and one end of the fixed block (51) abuts against the arc surface of the arc block (57).
6. The unloaded steel support node structure of a stiff cantilever structure as claimed in claim 4, wherein the actuating member comprises a driving column (58), the circumferential surface of the driving column (58) is provided with an inclined groove (59), and one end of the fixed block (51) abuts against the inclined surface of the inclined groove (59).
7. Unloading steel support node construction of a stiff cantilever structure according to claim 5 or 6, characterized in that the end of the screw (54) remote from the actuation element is fixedly provided with a knob (9).
8. The unloaded steel support node structure of a stiff overhanging structure according to claim 3, wherein the end of the fixing block (51) is fixedly provided with an anti-skid block (10).
9. The unloaded steel support node structure of a stiff overhanging structure according to claim 1, wherein one end of the adjusting rod (4) close to the support rod (6) is in a truncated cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296922.6A CN114562028A (en) | 2022-03-24 | 2022-03-24 | Unloading steel support node structure of stiff overhanging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296922.6A CN114562028A (en) | 2022-03-24 | 2022-03-24 | Unloading steel support node structure of stiff overhanging structure |
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| Publication Number | Publication Date |
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| CN114562028A true CN114562028A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210296922.6A Pending CN114562028A (en) | 2022-03-24 | 2022-03-24 | Unloading steel support node structure of stiff overhanging structure |
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| CN (1) | CN114562028A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013840A (en) * | 2016-05-16 | 2016-10-12 | 中天建设集团有限公司 | Unloading steel supporting node constitution of stiffened cantilevered structure and construction method of unloading steel supporting node constitution |
| CN212641953U (en) * | 2020-06-11 | 2021-03-02 | 湖南省第六工程有限公司 | Connecting node device for steel bars of stiff steel columns on two sides and middle concrete beam |
| CN113047447A (en) * | 2021-05-17 | 2021-06-29 | 中建八局第四建设有限公司 | Split-level steel structure building semi-reverse construction method |
| CN214834587U (en) * | 2021-05-19 | 2021-11-23 | 深圳市博广达工程科技有限公司 | Can have enough to meet need instrument formula scaffold frame of encorbelmenting |
| CN215829625U (en) * | 2021-09-23 | 2022-02-15 | 江苏大隆鑫建设集团有限公司 | Node that strength nature concrete column and girder steel are connected |
| CN217759453U (en) * | 2022-07-14 | 2022-11-08 | 紫旭建设工程有限公司 | Front curtain wall structure with high adjusting precision |
-
2022
- 2022-03-24 CN CN202210296922.6A patent/CN114562028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013840A (en) * | 2016-05-16 | 2016-10-12 | 中天建设集团有限公司 | Unloading steel supporting node constitution of stiffened cantilevered structure and construction method of unloading steel supporting node constitution |
| CN212641953U (en) * | 2020-06-11 | 2021-03-02 | 湖南省第六工程有限公司 | Connecting node device for steel bars of stiff steel columns on two sides and middle concrete beam |
| CN113047447A (en) * | 2021-05-17 | 2021-06-29 | 中建八局第四建设有限公司 | Split-level steel structure building semi-reverse construction method |
| CN214834587U (en) * | 2021-05-19 | 2021-11-23 | 深圳市博广达工程科技有限公司 | Can have enough to meet need instrument formula scaffold frame of encorbelmenting |
| CN215829625U (en) * | 2021-09-23 | 2022-02-15 | 江苏大隆鑫建设集团有限公司 | Node that strength nature concrete column and girder steel are connected |
| CN217759453U (en) * | 2022-07-14 | 2022-11-08 | 紫旭建设工程有限公司 | Front curtain wall structure with high adjusting precision |
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