Steel pipe support concrete strip-shaped foundation structure
Through strip foundation units and removable connectors prefabricated reinforced concrete, the reuse and positioning error of steel pipe brackets in bridge construction is solved, and an environmentally friendly and efficient construction method is achieved.
Patent Information
- Application Number
- CN202422969464.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The temporary support system is difficult to disassemble and reuse during existing bridge construction, resulting in waste of materials and environmental pollution. At the same time, the positioning error of steel pipe columns is large, which increases construction complexity and cost.
The strip-shaped foundation unit of reinforced concrete is adopted, combined with removable moving positioning parts and side connections, the detachable connection and position adjustment of the steel pipe support is realized to form a concrete strip-shaped foundation structure of the steel pipe support.
The recycling of steel pipe brackets is realized, reducing environmental damage, simplifying construction processes, reducing costs, and improving construction accuracy and efficiency.
Smart Images

Figure CN223135173U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a strip foundation structure, in particular to a strip foundation structure of a steel pipe support concrete, belonging to the technical field of bridge construction. Background Art
[0002] In the construction of bridge engineering, the common practices of temporary support systems are: directly fixing the support system by pouring a strip foundation, or directly driving the steel pipe columns of the support system into the soil. Both of these two schemes have the following deficiencies:
[0003] 1. It is very difficult to disassemble and recycle in the later stage, and it cannot be effectively reused. It not only wastes raw materials, pollutes the environment, but also increases the construction cost.
[0004] 2. During the construction process, there is likely to be a certain error in the positioning of the steel pipe columns, making the construction process complicated. Summary of the Invention
[0005] In order to overcome the above deficiencies of the prior art, the utility model provides a strip foundation structure of a steel pipe support concrete, which can be recycled, reduce the damage to the environment, make the construction more convenient, and reduce the construction cost.
[0006] The technical solution adopted by the utility model to solve its technical problems is:
[0007] A strip foundation structure of a steel pipe support concrete, comprising:
[0008] At least two strip foundation units, the strip foundation units are configured as reinforced concrete precast structures, and each strip foundation unit is provided with a movable positioning member that can adjust its position along the length direction of its top surface, and the movable positioning member is configured to be detachably connected to the steel pipe support;
[0009] Two side connectors, the side connectors are configured to connect two adjacent strip foundation units along the width direction of the strip foundation unit, and two adjacent strip foundation units are spliced together along their length directions.
[0010] As a further optional design of this technical solution, the movable positioning member is connected to the steel pipe column of the steel pipe support through a column base steel plate, the bottom end of the steel pipe column is fixedly connected to the top surface of the column base steel plate, and the bottom surface of the column base steel plate is fixedly connected to the upper end of the movable positioning member.
[0011] As a further optional design of this technical solution, a first stiffening rib is connected between the steel pipe column and the column base steel plate, a support plate is also fixedly provided at the top end of the steel pipe column, and a second stiffening rib is connected between the steel pipe column and the support plate.
[0012] As a further optional design of this technical solution, between the steel pipe column and the column base steel plate and the support plate, and between the stiffening rib and the steel pipe column and the column base steel plate, they are respectively connected by welding and jointly form a prefabricated welded structure.
[0013] As a further optional design of this technical solution, the mobile positioning member includes a mobile positioning steel plate and a transverse slideway. A plurality of transverse slideways are opened on the top surface of each strip foundation unit and are arranged through in the length direction. The bottom of the mobile positioning steel plate is slidably arranged on the transverse slideway; the transverse slideways on adjacent two strip foundation units are arranged in alignment.
[0014] As a further optional design of this technical solution, the column base steel plate is fixedly connected to the top surface of the mobile positioning steel plate through anchor bolts, and the transverse slideway is set as a bolt slideway whose contour matches the outer shape of the anchor bolts.
[0015] As a further optional design of this technical solution, the longitudinal dimension of the column base steel plate covers the transverse slideway and corresponds longitudinally to the width direction of the strip foundation unit.
[0016] As a further optional design of this technical solution, the column base steel plate and the mobile positioning steel plate have the same shape and are centered and aligned; the planar dimension of the mobile positioning steel plate is larger than that of the column base steel plate.
[0017] As a further optional design of this technical solution, the side connecting member includes connecting plates symmetrically arranged on both sides of the strip foundation unit, and the two connecting plates are fixedly connected by a plurality of tension bolts.
[0018] As a further optional design of this technical solution, in the height direction of the strip foundation unit, the highest part of the connecting plate is lower than the lowest part of the transverse slideway.
[0019] With the above technical solution, a steel pipe support reinforced concrete strip foundation structure of the present utility model, through the strip foundation units of the reinforced concrete prefabricated structure and spliced by using the side connecting members, not only has less influence on the performance by the environment, but also is convenient for installation and disassembly, can be recycled, and has little damage to the environment; and also realizes the position adjustment of the steel pipe support by setting the mobile positioning member, making the construction more convenient.
[0020] Through the following detailed description of the exemplary embodiments of the present utility model with reference to the accompanying drawings, other features and advantages of the present utility model will become clear. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The following further illustrates the present utility model in conjunction with the drawings and embodiments.
[0022] Figure 1 is a three-dimensional structural schematic diagram of a steel pipe support reinforced concrete strip foundation structure according to an embodiment of the present utility model.
[0023] Figure 2 It is the front view structural schematic diagram of the steel pipe support concrete strip foundation structure of an embodiment of the present utility model.
[0024] Figure 3 It is the side view structural schematic diagram of the positioning ball of an embodiment of the present utility model.
[0025] Figure 4 It is the side view structural schematic diagram of the steel pipe support concrete strip foundation structure of an embodiment of the present utility model.
[0026] Figure 5 It is the bottom view structural schematic diagram of the positioning ball of an embodiment of the present utility model.
[0027] Explanation of the meanings of the markings in the figure:
[0028] 100 - Steel pipe support concrete strip foundation structure;
[0029] 110 - Strip foundation unit;
[0030] 120 - Moving positioning member; 1201 - Moving positioning steel plate; 1202 - Horizontal slideway;
[0031] 130 - Side connecting member; 1301 - Connecting plate; 1301 - 1 - Opposite tension bolt hole;
[0032] 200 - Steel pipe support;
[0033] 210 - Steel pipe column;
[0034] 220 - Column foot steel plate; 2201 - First stiffening rib;
[0035] 230 - Support plate; 2301 - Second stiffening rib. Detailed implementation manners
[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present utility model and its application or use. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0037] Unless otherwise specifically stated, the relative arrangements, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the specification. In all the examples shown and discussed here, any specific values should be construed as merely exemplary, rather than as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0038] In the description of the present utility model, it should be understood that the use of terms such as "first" and "second" to define components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present utility model. In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0039] For the convenience of description, spatial relative terms such as "above", "on top of", "on the upper surface", "above-mentioned", etc. may be used here to describe the spatial positional relationship between a device or feature shown in the drawings and other devices or features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "on top of other devices or structures" will then be positioned "below other devices or structures" or "beneath other devices or structures". Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations of the spatial relative descriptions used here will be made.
[0040] Figures 1 to 5The structural schematic diagram of a preferred embodiment of the present utility model is shown. In the illustration of this embodiment, X, Y, and Z are three mutually perpendicular directions in a three-dimensional space. The X direction corresponds to the length direction of the strip foundation unit 110, the Y direction corresponds to the width direction of the strip foundation unit 110, and the Z direction corresponds to the height direction of the strip foundation unit 110.
[0041] Referring to Figure 1 , a steel pipe support 200 concrete strip foundation structure 100 provided in this embodiment includes at least two strip foundation units 110 and two side connectors 130; referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the strip foundation unit 110 is configured as a reinforced concrete precast structure, and each strip foundation unit 110 is provided with a movable positioning member 120 that can be adjusted in position along the length direction of its top surface. The movable positioning member 120 is configured to be detachably connected to the steel pipe support 200; referring to Figure 1 and Figure 2 , the side connector 130 is configured to connect two adjacent strip foundation units 110 along the width direction of the strip foundation unit 110, and two adjacent strip foundation units 110 are spliced together along their length directions.
[0042] For the steel pipe support 200 concrete strip foundation structure 100 of this embodiment, by adopting the strip foundation unit 110 of the reinforced concrete precast structure, it can be prefabricated in the backfield in advance, transported to the construction site during construction, and quickly assembled using the side connector 130, realizing reusable, shortening the road occupation construction period, ensuring construction safety, and reducing costs. For the steel pipe support 200 concrete strip foundation structure 100 of this embodiment, the position of the steel pipe column 210 can also be adjusted based on the movable positioning member 120, making the construction more convenient.
[0043] In a further optional implementation manner of this embodiment, referring to Figures 1 - 4 , the movable positioning member 120 is connected to the steel pipe column 210 of the steel pipe support 200 through a column base steel plate 220. The bottom end of the steel pipe column 210 is fixedly connected to the top surface of the column base steel plate 220, and the bottom surface of the column base steel plate 220 is fixedly connected to the upper end of the movable positioning member 120.
[0044] In a further optional implementation manner of this embodiment, referring to Figure 2 and Figure 3 , a first stiffening rib 2201 is connected between the steel pipe column 210 and the column base steel plate 220. A support plate 230 is also fixedly provided at the top end of the steel pipe column 210, and a second stiffening rib 2301 is connected between the steel pipe column 210 and the support plate 230.
[0045] In a specific implementation, the column base steel plate 220 and the steel pipe column 210 are prefabricated by welding. To enhance the stability of the steel pipe column 210, four first stiffeners 2201 are provided below it. The support plate 230 provided at the upper end of the steel pipe column 210 is used to improve the support performance of the steel pipe column 210, and four second stiffeners 2301 are provided below the support plate 230 to reinforce its stability.
[0046] In a further optional implementation manner of this embodiment, between the steel pipe column 210 and the column base steel plate 220 and the support plate 230, and between the stiffeners and the steel pipe column 210 and the column base steel plate 220, they are respectively connected by welding and jointly form a prefabricated welded structure.
[0047] In a further optional implementation manner of this embodiment, referring to Figure 1 and Figure 3 , the moving positioning member 120 includes a moving positioning steel plate 1201 and a transverse slideway 1202. A plurality of transverse slideways 1202 are opened on the top surface of each strip foundation unit 110 and are arranged through in the length direction. The bottom of the moving positioning steel plate 1201 is slidably arranged on the transverse slideway 1202; the transverse slideways 1202 on two adjacent strip foundation units 110 are arranged in alignment.
[0048] During use, the moving positioning steel plate 1201 displaces along the transverse slideway 1202 to realize the X-direction position adjustment of the steel pipe column 210 fixedly arranged on the moving positioning steel plate 1201. Before construction, first find the accurate position through the moving positioning steel plate 1201, and then install the steel pipe column 210, making the construction more convenient.
[0049] In a further optional implementation manner of this embodiment, the column base steel plate 220 is fixedly connected to the top surface of the moving positioning steel plate 1201 through anchor bolts, and the transverse slideway 1202 is set as a bolt slideway whose contour matches the outer shape of the anchor bolts.
[0050] During specific implementation, there are four bolt slideways on the strip foundation unit 110. A moving positioning steel plate 1201 is covered above the bolt slideways. A column base steel plate 220 is placed on the moving positioning steel plate 1201. Both the column base steel plate 220 and the moving positioning steel plate 1201 are provided with eight anchor bolt holes along the bolt slideways and the positions are the same. On the one hand, the moving positioning steel plate 1201 and the column base steel plate 220 are tightly connected by anchor bolts, making the steel pipe column 210 and the strip foundation unit 110 detachably fixedly connected, which is beneficial for quick disassembly and repeated use. On the other hand, the steel pipe column 210 can move through the bolt slideways by means of the anchor bolts, making the construction more convenient and concise.
[0051] In a further optional implementation manner of this embodiment, referring to Figure 4, the longitudinal dimension of the column base steel plate 220 covers the transverse slideway 1202 and corresponds longitudinally to the width direction of the strip foundation unit 110.
[0052] In a further optional embodiment of the present embodiment, referring to Figure 1 and Figure 4 , for the convenience of force bearing, the column base steel plate 220 and the movable positioning steel plate 1201 have the same shape and their centers are aligned. The plane dimension of the movable positioning steel plate 1201 is larger than that of the column base steel plate 220.
[0053] In a further optional embodiment of the present embodiment, the side connector 130 includes connectors 1301 symmetrically arranged on both sides of the strip foundation unit 110, and the two connectors 1301 are fixedly connected by a plurality of tension bolts. More specifically, six tension bolt holes 1301-1 can be provided on the connector 1301, and they are tightly connected by means of passing through tension bolts (not shown in the figure).
[0054] In a further optional embodiment of the present embodiment, referring to Figure 3 , considering avoiding structural interference, in the height direction of the strip foundation unit 110, the highest part of the connector 1301 is lower than the lowest part of the transverse slideway 1202.
[0055] For the concrete strip foundation structure 100 of the steel pipe support 200 in this embodiment, before installation, the foundation of the construction position is treated and a cushion layer is poured; during installation, on the ground where installation is required, two continuously placed strip foundation units 110 are neatly placed, and the connectors 1301 are symmetrically placed on both sides of the docking position of the two strip foundation units 110. Tension bolts are used to lock the two connectors 1301 to realize the splicing of the two strip foundation units 110. At this time, it is necessary to ensure the smooth connection of the bolt slideways; then, the movable positioning steel plate 1201 is installed on the strip foundation unit 110 through the bolt slideway. Before construction, the accurate position needs to be found through the movable positioning steel plate 1201 first; finally, the connection combination of the steel pipe column 210, column base steel plate 220, support plate 230, first stiffening rib 2201 and second stiffening rib 2301 prefabricated in advance by welding is integrally installed on the movable positioning steel plate 1201.
[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: still modifications can be made to the specific implementation manners of the present invention or equivalent replacements can be made to some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.
Claims
1. A strip foundation structure of a steel pipe support concrete, characterized in that, Comprising: At least two strip foundation units, the strip foundation units being configured as reinforced concrete precast structures, each of the strip foundation units being provided with a movable positioning member that can be adjusted in position along the length direction of its top surface, the movable positioning member being configured to detachably connect the steel pipe support; Two side connectors, the side connectors being configured to connect adjacent two of the strip foundation units along the width direction of the strip foundation units, two adjacent strip foundation units being spliced together along their length directions.
2. The strip foundation structure of a steel pipe support concrete according to claim 1, characterized in that The movable positioning member connects the steel pipe column of the steel pipe support through a column base steel plate, the bottom end of the steel pipe column being fixedly connected to the top surface of the column base steel plate, and the bottom surface of the column base steel plate being fixedly connected to the upper end of the movable positioning member.
3. A strip foundation structure of a steel pipe support and concrete, according to claim 2, characterized in that, A first stiffening rib is connected between the steel pipe column and the column base steel plate, and a support plate is further fixedly provided at the top end of the steel pipe column, and a second stiffening rib is connected between the steel pipe column and the support plate.
4. A steel pipe support concrete strip foundation structure according to claim 3, characterized in that, Between the steel pipe column and the column base steel plate and the support plate, and between the stiffening rib and the steel pipe column and the column base steel plate, they are respectively connected by welding and jointly form a precast welded structure.
5. A steel pipe support concrete strip foundation structure according to claim 2, characterized in that, The movable positioning member includes a movable positioning steel plate and a transverse slideway, a plurality of the transverse slideways are opened on the top surface of each strip foundation unit and are arranged through in the length direction, and the bottom of the movable positioning steel plate is slidably arranged on the transverse slideway; the transverse slideways on two adjacent strip foundation units are arranged in alignment.
6. A steel pipe support concrete strip foundation structure according to claim 5, characterized in that, The column base steel plate is fixedly connected to the top surface of the movable positioning steel plate through anchor bolts, and the transverse slideway is set as a bolt slideway whose contour matches the outer shape of the anchor bolts.
7. A strip foundation structure of a steel pipe support concrete, according to claim 5, characterized in that, The longitudinal dimension of the column base steel plate covers the transverse slideway, and the longitudinal direction corresponds to the width direction of the strip foundation unit.
8. A strip foundation structure of a steel pipe support concrete, according to claim 5, characterized in that The column base steel plate and the movable positioning steel plate have the same shape and are centered and aligned; the planar dimension of the movable positioning steel plate is larger than that of the column base steel plate.
9. A steel pipe support concrete strip foundation structure according to any one of claims 5 to 8, characterized in that The side connector includes connecting plates symmetrically arranged on both sides of the strip foundation unit, and the two connecting plates are fixedly connected by a plurality of tension bolts.
10. A steel pipe support concrete strip foundation structure according to claim 9, characterized in that, In the height direction of the strip foundation unit, the highest part of the connecting plate is lower than the lowest part of the transverse slideway.