CN219281078U - Construction structure at bottom of steel column post - Google Patents
Construction structure at bottom of steel column post Download PDFInfo
- Publication number
- CN219281078U CN219281078U CN202320359087.6U CN202320359087U CN219281078U CN 219281078 U CN219281078 U CN 219281078U CN 202320359087 U CN202320359087 U CN 202320359087U CN 219281078 U CN219281078 U CN 219281078U
- Authority
- CN
- China
- Prior art keywords
- plate
- side plate
- grouting
- steel column
- column bottom
- 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 application discloses a steel column post end construction structure relates to engineering construction technical field. The construction structure of the steel column bottom comprises a secondary grouting template, a steel column, a column bottom plate, an anchor bolt and foundation concrete; anchor bolts are embedded in the upper surface of the foundation concrete, and the column bottom plate is fixed above the foundation concrete at intervals through the anchor bolts; the lower end of the steel column is connected to the upper surface of the column bottom plate; the secondary grouting template comprises a grouting plate, a left side plate, an observation plate and a right side plate; the grouting plate, the left side plate, the observation plate and the right side plate are sequentially connected to form a rectangular frame structure; the grouting device comprises a grouting plate, a left side plate and a right side plate, wherein a grouting groove is formed in the center of the bottom of the grouting plate, a plurality of observation holes are formed in the observation plate at intervals along the length direction of the observation plate, a plurality of vibrating holes are formed in the left side plate and the right side plate, and the vibrating holes are formed at intervals along the length direction of the left side plate or the right side plate; the secondary grouting template is arranged on the circumference of the anchor bolt. The technical problem that foundation concrete and steel column bottoms are not firmly connected in the prior art is solved.
Description
Technical Field
The application relates to the technical field of engineering construction, in particular to a steel column bottom construction structure.
Background
After the foundation concrete is connected with the bottom of the steel column, a secondary grouting area with the height of about 50mm is reserved generally, and the reinforced concrete column foot construction is carried out after the strength of the secondary grouting area reaches the standard, so that the steel column and the foundation concrete can be fully closely combined, and the requirement of load transmission is met.
Because the space of the secondary grouting area is narrow, the secondary grouting template is difficult to prop up due to the shielding of the column bottom anchor bolts and the foundation longitudinal ribs. The traditional formwork is mostly temporarily erected by bricks or battens in a secondary grouting area, and vibration holes are not formed, so that concrete vibration is not facilitated. Moreover, the common concrete has large particle size and small fluidity, if the common concrete is not sufficiently vibrated, the filled concrete is easy to generate the conditions of honeycombs, pitting surfaces and the like, and the compactness of the secondary grouting layer is further insufficient, so that the safety and the reliability of the connection between the foundation concrete and the bottom of the steel column are affected, and the construction cost is increased.
Disclosure of Invention
The embodiment of the application solves the technical problem that the connection between foundation concrete and the steel column bottom is not firm in the prior art by providing the steel column bottom construction structure.
In order to achieve the above purpose, the steel column bottom construction structure provided by the embodiment of the application comprises a secondary grouting template, a steel column, a column bottom plate, an anchor bolt and basic concrete; the anchor bolts are embedded in the upper surface of the foundation concrete, and the column bottom plate is fixed above the foundation concrete at intervals through the anchor bolts; the lower end of the steel column is connected to the upper surface of the column bottom plate; the secondary grouting template comprises a grouting plate, a left side plate, an observation plate and a right side plate; the grouting plate, the left side plate, the observation plate and the right side plate are sequentially connected to form a rectangular frame structure; the grouting device comprises a grouting plate, a left side plate and a right side plate, wherein a grouting groove is formed in the center of the bottom of the grouting plate, a plurality of observation holes are formed in the observation plate, the observation holes are formed in the observation plate at intervals along the length direction of the observation plate, a plurality of vibrating holes are formed in the left side plate and the right side plate, and the vibrating holes are formed in the left side plate or the right side plate at intervals along the length direction of the left side plate or the right side plate; the secondary grouting templates are arranged in the circumferential direction of the anchor bolts, and concrete pouring spaces are formed among the secondary grouting templates, the lower surfaces of the column bottom plates and the upper surfaces of the foundation concrete.
In one possible implementation manner, the left side plate and the right side plate are identical in structure, and the left side plate and the right side plate are telescopic structures.
In one possible implementation, the secondary grouting form further comprises a block; the inner sides of the grouting plate and the observation plate are provided with a plurality of positioning grooves, and the positioning grooves are arranged at intervals along the length direction of the grouting plate or the observation plate; two ends of the left side plate and the right side plate are respectively provided with tenons matched with the positioning grooves; the blocking block is matched with the structure of the positioning groove.
In one possible implementation, the positioning slot is a dovetail slot; the plugging block is a dovetail column; the tenon is a dovetail.
In one possible implementation, the grouting plate, the left side plate, the viewing plate, and the right side plate are all steel.
In one possible implementation, the secondary grouting formwork is located outside the column floor; the anchor bolts are positioned in the circumferential direction of the steel column; the cross sections of the steel column, the column bottom plate and the foundation concrete are rectangular.
In one possible embodiment, the column base plate is welded to the anchor bolt or is connected by a nut.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the embodiment of the application provides a construction structure at bottom of steel column post, including steel column, post bottom plate, basic concrete, crab-bolt and secondary grouting template. The grouting plate, the left side plate, the observation plate and the right side plate are sequentially connected to form a rectangular frame structure. In the grouting process, if the slurry flows out from the observation hole, the secondary grouting area is proved to be poured tightly, so that the grouting condition is visualized, and the operation is simple. The left side board and the right side board are respectively provided with vibrating holes, construction operators can perform grouting and tamping, so that the cementing material of the slurry can not run off in the casting process, the conditions of honeycombs, pitting surfaces and the like can not occur, the compactness of a secondary grouting area is guaranteed, the grouting quality is improved, and the safety and reliability of connection of foundation concrete and a column bottom plate are further guaranteed. Therefore, the construction quality can be guaranteed to the steel column bottom construction structure of this application embodiment, easy to assemble, and secondary grouting template can used repeatedly, has reduced the manufacturing time, has reduced construction cost, has improved work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is an installation schematic diagram of a steel column bottom construction structure provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a secondary grouting formwork provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a grouting plate according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a viewing panel according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a side plate according to an embodiment of the present application.
Reference numerals: 1-secondary grouting templates; 11-grouting plates; 12-a viewing plate; 121-a viewing aperture; 13-right side plate; 14-left side plate; 15-a plugging block; 16-grouting grooves; 17-positioning grooves; 18-tenon; 19-vibrating holes; 2-steel columns; 3-column bottom plate; 4-anchor bolts; 5-foundation concrete.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present application. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 5, the embodiment of the present application provides a steel column bottom construction structure, which includes a secondary grouting form 1, a steel column 2, a column bottom plate 3, an anchor bolt 4 and a foundation concrete 5. The upper surface of foundation concrete 5 pre-buried has crab-bolts 4, and post bottom plate 3 passes through crab-bolts 4 interval to be fixed in the top of foundation concrete 5, and the lower extreme of steel column 2 is connected in the upper surface of post bottom plate 3.
The secondary grouting form 1 includes a grouting plate 11, a left side plate 14, an observation plate 12, and a right side plate 13. The grouting plate 11, the left side plate 14, the observation plate 12 and the right side plate 13 are sequentially connected to form a rectangular frame structure. The grouting plate 11 is provided with grouting groove 16 in the middle of bottom, and observation board 12 is provided with a plurality of observation holes 121, and observation holes 121 are arranged along the length direction interval of observation board 12, and left side board 14 and right side board 13 are provided with a plurality of vibrating holes 19, and vibrating holes 19 are arranged along the length direction interval of left side board 14 or right side board 13.
The secondary grouting template 1 is arranged on the circumference of the anchor bolt 4, and a concrete pouring space is formed among the secondary grouting template 1, the lower surface of the column bottom plate 3 and the upper surface of the foundation concrete 5.
In the construction process of the steel column bottom, firstly, when a foundation is cast, a group of anchor bolts 4 are pre-embedded in foundation concrete 5, after the foundation concrete 5 is solidified, the anchor bolts 4 are leveled, so that the lengths of the exposed anchor bolts 4 of the foundation concrete 5 are consistent; secondly, manufacturing a column bottom plate 3 with holes, wherein the positions of the holes correspond to the positions of the anchor bolts 4; thirdly, when the steel column 2 is installed, a column bottom plate 3 at the bottom of the steel column 2 passes through the anchor bolts 4, a secondary grouting area is reserved between the column bottom plate 3 and the top of the foundation concrete 5, the column bottom plate 3 is leveled, and the design elevation is ensured to be met between the upper plane of the column bottom plate 3 and the foundation concrete 5; secondly, welding the column bottom plate 3 on the anchor bolt 4 or fixing the column bottom plate on the anchor bolt 4 through nuts; finally, the secondary grouting form 1 is placed in the circumferential direction of the anchor bolt between the column bottom plate 3 and the top of the foundation concrete 5. Therefore, the steel column bottom construction structure of this application embodiment simple structure, construction cost is low, the installation of being convenient for has avoided prior art because installation foot bottom plate 3 makes anchor bolt position take place the deviation to avoided dismantling basic concrete 5 and need be under construction again, and then guaranteed the security and the reliability that post bottom plate 3 and basic concrete slab 5 are connected.
The grouting step of the secondary grouting area is as follows: firstly, grouting slurry is injected into a secondary grouting area from a grouting groove 16 of the grouting plate 11, and the slurry flows into the grouting area from the grouting groove; next, the left side plate 14 or the left side plate 13 is inserted into the vibrating hole 19 by a vibrating tool, and tamping is performed while grouting; finally, the entire form is filled with slurry, and the slurry flows out from the observation hole 121, and the grouting is stopped. During grouting, if slurry flows out of the observation holes 121, the secondary grouting area is tightly poured. According to the embodiment of the application, the grouting condition is visualized, the compactness of the filled slurry is guaranteed, and the grouting quality is improved.
The traditional formwork is not provided with vibrating holes 19, which is not beneficial to concrete vibration. In the grouting process, construction operators find gaps to vibrate by using a vibrating rod. Because the particle diameter of ordinary concrete stone is big, and mobility is little, if do not carry out abundant vibration, the circumstances such as honeycomb, pitting appear easily to the concrete that leads to filling easily, and then lead to the compactness in secondary grouting area not enough, has formed the quality flaw, influences the security and the reliability that basic concrete 5 and post bottom plate 3 connect, has increased construction cost. According to the embodiment of the application, the vibrating holes 19 are formed in the left side plate 14 and the left side plate 13 respectively, construction operators can select one side to vibrate by using a vibrating tool, and can vibrate at two sides simultaneously, so that the situation that the cementing material of slurry is lost and honeycomb, pitting surface and the like cannot occur in the pouring process can be guaranteed, the compactness of a secondary grouting area is guaranteed, the grouting quality is improved, and the safety and reliability of connection between the foundation concrete 5 and the column bottom plate 3 are guaranteed.
In the first embodiment, the left side plate 14 and the right side plate 13 have the same structure, and the left side plate 14 and the right side plate 13 are both telescopic structures.
It should be noted that, the lengths of the left side plate 14 and the right side plate 13 are adjustable, so that the grouting device can be suitable for the construction of different types of column bottom plates 3, is convenient to install, improves the repeated use rate of the secondary grouting template 2, reduces the time for manufacturing the secondary grouting template 1, reduces the construction cost, and improves the working efficiency.
In the second embodiment, there are six kinds of left side plates 14 and right side plates 13 with different lengths, and the lengths are 500mm, 600mm, 700mm, 800mm, 900mm and 1000mm, respectively. According to the different placement modes of the left side plate 14 and the right side plate 13, the size of the column bottom plate 3 can be satisfied, the connection points are arranged by chance, the assembly is free, the installation is quick, the repeated use rate of the secondary grouting template 1 is improved, and the materials are saved. Therefore, the construction quality can be guaranteed to the steel column post bottom construction structure of this application embodiment, easy to assemble, and secondary grouting template 1 can used repeatedly, has reduced the manufacturing time, has reduced construction cost, has improved work efficiency.
As shown in fig. 2, the secondary grouting form 1 further includes a block 15. The grouting plate 11 and the observation plate 12 are provided with a plurality of positioning grooves 17 on the inner sides thereof, and the positioning grooves 17 are provided at intervals along the longitudinal direction of the grouting plate 11 or the observation plate 12. Both ends of the left side plate 14 and the right side plate 13 are provided with tenons 18 matched with the positioning grooves 17, and the plugging block 15 is matched with the positioning grooves 17 in structure.
It should be noted that, the grouting plate 11, the left side plate 14, the observation plate 12 and the right side plate 13 are sequentially connected to form a rectangular frame structure, tenons 18 at two ends of the left side plate 14 and the right side plate 13 are respectively inserted into the positioning grooves 17, unused positioning grooves 17 in the enclosing area are sealed by the sealing blocks 15, the demolding is convenient, the connection is safe and reliable, the repeated use rate of the components is improved, materials are saved, and the construction quality is guaranteed.
In this embodiment, the positioning groove 17 is a dovetail groove, the plugging block 15 is a dovetail column, and the tenon 18 is a dovetail.
It should be noted that, the secondary grouting form 1 uses mortise and tenon structure to connect, and easy to assemble can avoid secondary grouting form 1 to take place to throw off or warp when the atress.
Specifically, the cross section of the dovetail groove is an isosceles trapezoid, and the cross sections of the dovetail column body and the dovetail block are isosceles trapezoids.
In this embodiment, the grouting plate 11, the left side plate 14, the observation plate 12 and the right side plate 13 are all steel materials. The steel loss is less, the quality is reliable, and the repeated use rate of the components is improved.
In this embodiment, the secondary grouting form 1 is located in the outside of the column bottom plate 3, the anchor bolts 4 are located in the circumferential direction of the steel column 2, and the cross sections of the steel column 2, the column bottom plate 3 and the foundation concrete 5 are rectangular.
The left side plate 14 and the right side plate 13 are selected according to the size of the pillar bottom plate 3. The grouting plate 11, the left side plate 14, the observation plate 12 and the right side plate 13 are sequentially connected to form a rectangular frame structure, and the grouting plate 11, the left side plate 14, the observation plate 12 and the right side plate 13 are all arranged on the outer side of the column bottom plate 3 and keep a certain gap with the outer side of the column bottom plate 3. The steel column bottom construction structure facilitates construction operators to pay attention to pouring conditions in real time.
In this embodiment, the column bottom plate 3 is welded to the anchor bolt 4 or is connected by a nut.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions.
Claims (7)
1. A steel column post bottom construction structure which characterized in that: the grouting device comprises a secondary grouting template (1), a steel column (2), a column bottom plate (3), an anchor bolt (4) and basic concrete (5);
the anchor bolts (4) are pre-buried on the upper surface of the foundation concrete (5), and the column bottom plate (3) is fixed above the foundation concrete (5) at intervals through the anchor bolts (4);
the lower end of the steel column (2) is connected to the upper surface of the column bottom plate (3);
the secondary grouting template (1) comprises a grouting plate (11), a left side plate (14), an observation plate (12) and a right side plate (13);
the grouting plate (11), the left side plate (14), the observation plate (12) and the right side plate (13) are sequentially connected to form a rectangular frame structure;
the grouting device is characterized in that a grouting groove (16) is formed in the center of the bottom of the grouting plate (11), a plurality of observation holes (121) are formed in the observation plate (12), the observation holes (121) are formed in the length direction of the observation plate (12) at intervals, a plurality of vibrating holes (19) are formed in the left side plate (14) and the right side plate (13), and the vibrating holes (19) are formed in the left side plate (14) or the right side plate (13) at intervals in the length direction;
the secondary grouting template (1) is arranged in the circumferential direction of the anchor bolt (4), and a concrete pouring space is formed between the secondary grouting template (1), the lower surface of the column bottom plate (3) and the upper surface of the foundation concrete (5).
2. The steel column bottom construction structure according to claim 1, wherein: the left side plate (14) and the right side plate (13) are identical in structure, and the left side plate (14) and the right side plate (13) are telescopic structures.
3. The steel column bottom construction structure according to claim 2, wherein: the secondary grouting template (1) further comprises a plugging block (15);
the grouting plate (11) and the inner side of the observation plate (12) are provided with a plurality of positioning grooves (17), and the positioning grooves (17) are arranged at intervals along the length direction of the grouting plate (11) or the observation plate (12);
both ends of the left side plate (14) and the right side plate (13) are provided with tenons (18) matched with the positioning grooves (17);
the blocking block (15) is matched with the structure of the positioning groove (17).
4. A steel column bottom construction structure according to claim 3, wherein: the positioning groove (17) is a dovetail groove;
the plugging block (15) is a dovetail column;
the tenon (18) is a dovetail.
5. The steel column bottom construction structure according to claim 1, wherein: the grouting plate (11), the left side plate (14), the observation plate (12) and the right side plate (13) are all made of steel.
6. The steel column bottom construction structure according to claim 1, wherein: the secondary grouting template (1) is positioned at the outer side of the column bottom plate (3);
the anchor bolts (4) are positioned in the circumferential direction of the steel column (2);
the cross sections of the steel column (2), the column bottom plate (3) and the foundation concrete (5) are rectangular.
7. The steel column bottom construction structure according to claim 1, wherein: the column bottom plate (3) is welded with the anchor bolt (4) or connected through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359087.6U CN219281078U (en) | 2023-03-02 | 2023-03-02 | Construction structure at bottom of steel column post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359087.6U CN219281078U (en) | 2023-03-02 | 2023-03-02 | Construction structure at bottom of steel column post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219281078U true CN219281078U (en) | 2023-06-30 |
Family
ID=86921817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320359087.6U Active CN219281078U (en) | 2023-03-02 | 2023-03-02 | Construction structure at bottom of steel column post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219281078U (en) |
-
2023
- 2023-03-02 CN CN202320359087.6U patent/CN219281078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5045214B2 (en) | Column head construction method | |
| KR101274481B1 (en) | Pre-embedded anchor frame equipped with coupler and anchoring method of steel column thereof | |
| CN111980197B (en) | Assembling type shear wall mounting process | |
| CN111218983A (en) | Lattice formula structure concrete frame house | |
| CN219281078U (en) | Construction structure at bottom of steel column post | |
| JP3763575B2 (en) | Underground beam construction frame and underground beam construction method using the same | |
| CN111364683A (en) | A multi-functional auxiliary positioning device for prefabricated post grout muffjoint | |
| CN210685474U (en) | Concrete underpins structure | |
| JPH0790933A (en) | Construction method of structure | |
| JP2009150067A (en) | Method of and structure for renewing existing bearing apparatus | |
| CN217998141U (en) | Building multi-pile foundation bearing platform and template for pouring bearing platform | |
| CN212742886U (en) | Lattice formula structure concrete frame house | |
| JP4298628B2 (en) | Construction method of viaduct beam using steel pipe column joint element | |
| CN115030315B (en) | Semi-prefabricated angle steel skeleton type concrete column-beam column joint and construction method | |
| CN215252254U (en) | Superstructure for bridge | |
| CN115323924B (en) | Construction method of highway-railway dual-purpose river-crossing A-type cable-stayed bridge main tower | |
| CN214219410U (en) | Compound longitudinal connecting device suitable for bridge is assembled to festival segmentation cantilever | |
| CN219508801U (en) | Connecting node of reinforced concrete prefabricated hollow column and frame beam | |
| CN211899276U (en) | A multi-functional auxiliary positioning device for prefabricated post grout muffjoint | |
| JPH0827929A (en) | Construction method of wall type src structure | |
| JPS62244923A (en) | Anchor bolt-driven precast concrete block and driving of anchor bolt | |
| JP6865012B2 (en) | Column-beam joining method and column-beam joining structure | |
| JP2024030367A (en) | Concrete members and methods of constructing concrete members | |
| CN115434439A (en) | Connecting structure of large-scale steel pipe concrete column and bearing platform and construction method | |
| CN113529573A (en) | Bridge engineering construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |