Concrete-filled steel tube column base and concrete prefabricated part
By using support members to fix the steel pipes in the concrete column feet of steel pipes, the use of anchor bolts is avoided, and the problems of the construction complexity of traditional column feet and the increase in the volume of concrete foundations are solved, achieving the effect of reducing construction costs.
Patent Information
- Application Number
- CN202420965426.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The anchoring method of traditional concrete outsourcing column feet is complex and increases the volume of concrete foundation, resulting in high construction costs.
The steel pipe concrete column feet and concrete prefabricated parts are used to fix them by setting support between the steel pipe and the base assembly, avoiding the use of anchor bolts, thereby reducing the amount of concrete foundation.
The steel pipe is stable and fixed in the base assembly, avoiding additional buried pit settings and reducing construction costs.
Smart Images
Figure CN222252550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction, in particular to a steel tube concrete column foot and a concrete prefabricated part. Background Art
[0002] Traditional concrete-wrapped column bases are usually anchored with anchor bolts, but this anchoring method is affected by many factors, and its construction difficulty and complexity are relatively high. In addition, since the anchoring length of the anchor bolt is required to be no less than 25d (d is the diameter of the anchor bolt), in order to ensure the stability of the column base, longer bolts need to be used, resulting in excessive bolt embedding depth. In order to match the bolt embedding depth, additional bolt embedding pits are dug. When pouring concrete, concrete will enter the embedding pit, resulting in an increase in the volume of foundation concrete and an increase in the construction cost of the building. Utility Model Content
[0003] The main purpose of the utility model is to provide a steel tube concrete column foot and a concrete prefabricated part, aiming at reducing the volume of concrete foundation and lowering the construction cost of the building.
[0004] In order to achieve the above-mentioned purpose, the steel tube concrete column base proposed by the utility model comprises:
[0005] Steel pipe;
[0006] A base assembly, wherein the base assembly is provided with a mounting hole, the steel pipe is inserted into the mounting hole and is in clearance fit with the mounting hole;
[0007] A support member is arranged in the mounting hole and abuts against the steel pipe and the base assembly at the same time to fix the steel pipe.
[0008] In one embodiment, a plurality of the support members are provided, and the plurality of the support members are distributed along the annular array of the steel pipe.
[0009] In one embodiment, the support member includes an abutment bar and a fixing bar, the abutment bar and the fixing bar are connected and arranged at an angle, the abutment bar is tangent to the outer diameter of the steel pipe, and the fixing bar abuts against the steel pipe.
[0010] In one embodiment, the base assembly comprises:
[0011] A base body, wherein the base body is provided with a groove;
[0012] A fixed frame is arranged in the groove, the fixed frame has the mounting hole, the outer wall of the fixed frame abuts against the inner wall of the groove, and the fixed frame is located between the support member and the inner wall of the groove.
[0013] In one embodiment, the abutting strip abuts against an inner wall of the fixing frame, and the fixing strip is spaced apart from the fixing frame.
[0014] In one embodiment, the support member further comprises a pad, which is located at the bottom of the groove and abuts against the abutment bar and the fixing bar.
[0015] In one embodiment, the angle between the abutment strip and the fixing strip is 90°.
[0016] In one embodiment, a through hole is provided in the steel pipe, and the through hole is used to load concrete from an external tank into the installation hole.
[0017] In one embodiment, a plurality of horizontal steel sheets are provided in the base assembly, and the plurality of horizontal steel sheets are spaced apart in height.
[0018] The utility model also provides a prefabricated concrete part, including the above-mentioned steel tube concrete column foot, the steel tube concrete column foot includes:
[0019] Steel pipe;
[0020] A base assembly, wherein the base assembly is provided with a mounting hole, the steel pipe is inserted into the mounting hole and is in clearance fit with the mounting hole;
[0021] A support member is arranged in the mounting hole and abuts against the steel pipe and the base assembly at the same time to fix the steel pipe.
[0022] The technical solution of the utility model comprises a steel tube concrete column foot, a base assembly and a support member, the base assembly is provided with a mounting hole, the steel tube is inserted into the mounting hole and is matched with the mounting hole gap, the support member is provided in the mounting hole and abuts against the steel tube and the inner wall of the mounting hole at the same time to fix the steel tube, so that the stability of the steel tube on the base assembly no longer requires the use of additional anchor bolts, and a support member is provided between the steel tube and the base assembly to limit the displacement of the steel tube in the base assembly, and the steel tube is stuck in the base assembly by the support member, thereby achieving the effect of fixing the steel tube in the base assembly without bolts, and no additional burying pits are required for the bolts, thereby reducing the volume of the concrete foundation and reducing the construction cost of the building. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0024] Figure 1 A structural cross-sectional view of an embodiment of a steel tube concrete column foot provided by the utility model;
[0025] Figure 2 It is a structural schematic diagram of an embodiment in which a steel pipe and a base body are abutted and fixed by a support member;
[0026] Figure 3 It is a structural schematic diagram of an embodiment of a steel pipe constraining the position of a support member through a frame assembly.
[0027] Description of Figure Numbers:
[0028] 100. Steel tube concrete column base; 10. Steel tube; 11. Through hole; 20. Base assembly; 21. Base body; 211. Groove; 22. Fixed frame; 221. Mounting hole; 23. Horizontal steel sheet; 30. Support member; 31. Abutment strip; 32. Fixed strip; 33. Pad.
[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0032] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.
[0033] The utility model provides a steel tube concrete column foot 100, which aims to reduce the volume of concrete foundation and lower the construction cost of the building.
[0034] See also Figures 1 to 3 In one embodiment of the utility model, the steel tube concrete column base 100 includes a steel tube 10, a base assembly 20 and a support member 30. The base assembly 20 is provided with a mounting hole 221. The steel tube 10 is inserted into the mounting hole 221 and is loosely matched with the mounting hole 221. The support member 30 is provided in the mounting hole 221 and abuts against the steel tube 10 and the inner wall of the mounting hole 221 at the same time to fix the steel tube 10.
[0035] It is understandable that the steel pipe 10 and the base assembly 20 were originally fixed by angle steel and anchor bolts. However, the use of anchor bolts requires an additional burying pit for the bolts to meet the assembly requirements of the bolts, and this burying pit will greatly increase the volume of poured concrete. In the solution of the utility model, the anchoring assembly of the bolts is abandoned, and the steel pipe 10 and the base assembly 20 are abutted and fixed by using support members 30 (the support members 30 mentioned here can be understood as the angle steel in the original structure). In this way, there is no need to set up an additional burying pit, thereby reducing the foundation volume of concrete and reducing construction costs.
[0036] It should be noted that the technical solution of the utility model abandons the anchoring of bolts, so the installation and coordination of the support member 30, the base assembly 20 and the steel pipe 10 need to be more precise to avoid positional deviation in the subsequent welding of the steel pipe 10, which would cause the overall structure of the column base to be unqualified.
[0037] In an embodiment of the utility model, the support member 30 can be made of an arc-shaped steel plate, and multiple arc-shaped steel plates simultaneously abut the outer diameter of the steel pipe 10 and the inner diameter of the mounting hole 221. Since the steel plate is arc-shaped, the abutment between the steel plate and the outer diameter and the inner diameter is relatively close, thereby improving the stability of the steel pipe 10 in the base assembly 20.
[0038] In an embodiment of the utility model, the support member 30 can also be a circular frame. The frame is sleeved on the steel pipe 10, the frame is in close contact with the outer diameter of the steel pipe 10, and then the steel pipe 10 is installed in the mounting hole 221. The frame abuts against the inner diameter of the mounting hole 221. In this way, the steel pipe 10 can also be firmly fixed in the base assembly 20. It can be understood that in order to facilitate the pouring of concrete, a hole for pouring concrete is provided between the outer diameter and the inner diameter of the frame.
[0039] Further, see Figure 2 In one embodiment, a plurality of support members 30 are provided, and the plurality of support members 30 are distributed in a circular array along the steel pipe 10 .
[0040] With such arrangement, a plurality of support members 30 are distributed in a circular array along the outer diameter of the steel pipe 10 , and the resultant force of the abutment force received by the steel pipe 10 in the mounting hole 221 can be zero at the center of the steel pipe 10 . At this time, the steel pipe 10 can be in the most stable state, which is convenient for subsequent concrete pouring to maintain the vertical state of the steel pipe 10 .
[0041] In an embodiment of the present invention, the number of support members 30 can be determined based on the matching requirements between the steel pipe 10 and the base assembly 20, as well as the strength requirements that the steel pipe 10 needs to bear during the actual construction process. The number of support members 30 only needs to meet the above two conditions, and the number of support members 30 is not specifically limited herein.
[0042] Further, see Figure 1 , Figure 2 In one embodiment, the support member 30 includes an abutment bar 31 and a fixing bar 32 , the abutment bar 31 and the fixing bar 32 are connected and arranged at an angle, the abutment bar 31 is tangent to the outer diameter of the steel pipe 10 , and the fixing bar 32 abuts against the steel pipe 10 .
[0043] In this way, the support member 30 includes an abutment bar 31 and a fixing bar 32 set at an angle. The abutment bar 31 and the fixing bar 32 respectively abut the outer diameter of the steel pipe 10, which can not only ensure the supporting effect of the support member 30 on the steel pipe 10, but also reduce the volume of the support member 30, thereby ensuring a sufficient amount of concrete to be poured and ensuring the construction quality of the column base.
[0044] In the embodiment of the present invention, the angle between the abutment bar 31 and the fixing bar 32 can be customized according to the actual size of the steel pipe 10 , so that the support member 30 can provide the maximum supporting force to the steel pipe 10 .
[0045] Further, see Figure 2 In one embodiment, the base assembly 20 includes a base body 21 and a fixed frame 22. The base body 21 is provided with a groove 211. The fixed frame 22 is arranged in the groove 211. The fixed frame 22 has a mounting hole 221. The outer wall of the fixed frame 22 abuts against the inner wall of the groove 211. The fixed frame 22 is located between the support member 30 and the inner wall of the groove 211.
[0046] In this way, a fixed frame 22 is arranged between the support member 30 and the groove 211 of the base body 21, and the center of the fixed frame 22 has a mounting hole 221. The fixed frame 22 is equivalent to "binding" the support member 30 to the outside of the steel pipe 10 to limit the movement of the support member 30 during the installation process, thereby avoiding the situation where the steel pipe 10 is not installed properly.
[0047] In the embodiment of the utility model, a plurality of installation positions for placing the support members 30 are provided in the fixed frame 22, and a support member 30 is provided at each of these installation positions to limit the position of the support member 30, so the shape of the fixed frame 22 is determined according to the number of support members 30 provided.
[0048] Further, see Figure 2 In one embodiment, the abutting strip 31 abuts against the inner wall of the fixed frame 22 , and the fixed strip 32 is spaced apart from the fixed frame 22 .
[0049] In this arrangement, the abutment strip 31 of the support member 30 abuts against the inner wall of the fixed frame 22, and the fixed strip 32 is spaced apart from the fixed frame 22, so that the support member 30 can fully utilize the position limitation provided by the fixed frame 22 to improve its supporting strength for the steel pipe 10.
[0050] In an embodiment of the utility model, the inner wall of the fixed frame 22 is in the shape of a regular polygon, and the support members 30 are respectively arranged on each corner of the regular polygon, and the fixing strips 32 abut against the sides of the regular polygon, so that the support members 30 can abut against the corners of the regular polygon to limit the position of the support members 30.
[0051] Further, see Figure 1 In one embodiment, the support member 30 further includes a pad 33 , which is located at the bottom of the groove 211 and abuts against the abutting strip 31 and the fixing strip 32 .
[0052] In this way, a pad 33 is set at the bottom of the groove 211, and the pad 33 separates the support member 30 from the bottom of the groove 211, while increasing the contact area between the support member 30 and the groove 211, thereby reducing the pressure of the support member 30 on the base body 21 and preventing the support member 30 from damaging the base body 21.
[0053] In the embodiment of the utility model, the material of the backing plate 33 should generally be the same as or similar to the material of the connected steel structure, and is usually made of low-carbon structural steel such as Q235B, Q345B, etc. to ensure good welding performance and mechanical properties.
[0054] Further, see Figure 3 In one embodiment, the angle between the abutting strip 31 and the fixing strip 32 is 90°.
[0055] In this way, the abutment strip 31 and the fixing strip 32 are arranged at an angle of 90°, so that the support member 30 can abut and fix most of the steel pipes 10 .
[0056] Further, see Figure 2 In one embodiment, a through hole 11 is provided in the steel pipe 10 , and the through hole 11 is used to load the external concrete tank into the installation hole 221 .
[0057] With such arrangement, concrete can be conveniently poured into the steel pipe 10 through the through hole 11 on the steel pipe 10, thereby forming a good bond between the steel pipe 10 and the concrete, and bearing force together; during the process of pouring concrete, due to the fluidity of the concrete and the presence of air, the through hole 11 can help discharge the air and excess concrete slurry in the steel pipe 10, ensuring that the concrete can fully fill the internal space of the steel pipe 10, thereby improving the integrity and bearing capacity of the structure.
[0058] In the embodiment of the utility model, the through hole 11 may be embedded with an embedded part, and the embedded part is arranged through the through hole 11 to facilitate effective connection with a foundation or other structures.
[0059] Further, see Figure 1 In one embodiment, a plurality of horizontal steel sheets 23 are provided in the base assembly 20, and the plurality of horizontal steel sheets 23 are spaced apart in height.
[0060] In this way, the horizontal steel sheet 23 is arranged in the base assembly 20 to fix the base assembly 20 , thereby preventing the unstable shape of the base assembly 20 from causing the installation position of the steel pipe 10 to change, thereby affecting the subsequent welding of the steel pipe 10 .
[0061] It should be noted that the mounting hole 221 passes through a plurality of horizontal steel sheets 23 , and the arrangement of the horizontal steel sheets 23 will not affect the assembly of the mounting hole 221 and the steel pipe 10 .
[0062] In this embodiment, four horizontal steel sheets 23 are provided, and the four horizontal steel sheets 23 are arranged in sequence from high to low in the base assembly 20 and are spaced apart from each other.
[0063] The utility model also proposes a precast concrete part, which includes a steel tube concrete column base 100. The specific structure of the steel tube concrete column base 100 refers to the above embodiment. Since the precast concrete part adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.
[0064] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A steel tube concrete column base, characterized in that: include: Steel pipe; A base assembly, wherein the base assembly is provided with a mounting hole, the steel pipe is inserted into the mounting hole and is in clearance fit with the mounting hole; A support member is arranged in the mounting hole and abuts against the steel pipe and the base assembly at the same time to fix the steel pipe.
2. The steel tube concrete column base according to claim 1, characterized in that: There are multiple support members, and the multiple support members are distributed along the steel pipe annular array.
3. The steel tube concrete column base as claimed in claim 2, characterized in that: The support member comprises an abutment bar and a fixing bar, the abutment bar and the fixing bar are connected and arranged at an angle, the abutment bar is tangent to the outer diameter of the steel pipe, and the fixing bar abuts against the steel pipe.
4. The steel tube concrete column base as claimed in claim 3, characterized in that: The base assembly comprises: A base body, wherein the base body is provided with a groove; A fixed frame is arranged in the groove, the fixed frame has the mounting hole, the outer wall of the fixed frame abuts against the inner wall of the groove, and the fixed frame is located between the support member and the inner wall of the groove.
5. The steel tube concrete column base as claimed in claim 4, characterized in that: The abutting strip abuts against the inner wall of the fixing frame, and the fixing strip is spaced apart from the fixing frame.
6. The steel tube concrete column base as claimed in claim 4, characterized in that: The support member further comprises a pad, which is located at the bottom of the groove and abuts against the abutting strip and the fixing strip.
7. The steel tube concrete column base as claimed in claim 3, characterized in that: The angle between the abutment strip and the fixing strip is 90°.
8. The steel tube concrete column base according to claim 1, characterized in that: The steel pipe is provided with a through hole for loading concrete from an external tank into the mounting hole.
9. The steel tube concrete column base according to claim 1, characterized in that: A plurality of horizontal steel sheets are arranged in the base assembly, and the plurality of horizontal steel sheets are arranged at intervals in height.
10. A precast concrete part, characterized in that: It comprises the steel tube concrete column base as described in any one of claims 1 to 9.