Prestressed reinforced concrete supporting structure
By combining the outer and inner steel shells with concrete pouring, and then using welding and bolt fixing, the problems of insufficient strength and corrosion in existing reinforced concrete pile structures have been solved, thus realizing a high-strength, long-life prestressed reinforced concrete support structure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CSCEC BRIDGES CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-10
AI Technical Summary
Existing ordinary reinforced concrete pile structures have insufficient strength, complex production processes, high labor intensity, and rectangular steel tube concrete structures are prone to corrosion, posing safety hazards.
An outer steel shell and an inner steel shell are used together to form a concrete core. The concrete supports are connected by welding and bolting. The base is embedded in the foundation pit. Shear grooves and shear columns are used together. The use of steel structure columns improves the overall strength and service life.
It improves structural strength, extends service life, simplifies production processes, reduces labor intensity, prevents steel structure corrosion, and enhances safety.
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Figure CN224106458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to building technical field, concretely relates to a prestressed reinforced concrete support structure. BACKGROUND
[0002] The existing ordinary reinforced concrete pile adopts the prefabricated steel reinforcement cage and densely binds the stirrup and ties the main reinforcement in the production process, and is formed by adjusting, checking, combining mold, pouring concrete, covering and curing. The concrete pile has the following disadvantages: the structural strength is not enough, the production process is complex and old, the steel reinforcement cage is time-consuming and laborious to make, the labor intensity is large, the quality is poor, and the production cost of the concrete pile is increased.
[0003] At the same time, the prestressed support structure disclosed in the prior art adopts a rectangular steel pipe concrete structure to pre-bury a foundation pit to play a supporting role. In the above setting mode, the rigid pile is directly pre-buried in the drawing and is easy to corrode, and the rectangular steel pipe concrete structure with a long service life is prone to safety hazards.
[0004] In view of the above factors, a prestressed reinforced concrete support structure is provided, which forms a stress core by pouring concrete through cooperation of an outer steel shell and an inner steel shell, thereby improving the overall structural strength and prolonging the service life. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a prestressed reinforced concrete support structure to solve the problems in the background art.
[0006] The utility model aims at providing a prestressed reinforced concrete support structure to solve the problems in the background art.
[0007] The second section of concrete support is fixedly provided with a connecting plate, and the connecting plate is fixed by a positioning plate bolt;
[0008] The base is fixed in a foundation pit in a pre-buried manner, the base is a reinforced concrete structure column, and a connecting section protruding from an end face of the base is arranged in the base, and the end face of the base is provided with a recessed shear groove.
[0009] Further, the shear groove arranged on the end face of the base cooperates with a shear column below the first section of concrete support.
[0010] The bottom of the base is arranged in a stepped structure in the foundation pit, and the connecting section is a screw structure, and the connecting section and the base are integrally poured with reinforced concrete.
[0011] Further, the connecting section is arranged 4 and is uniformly distributed on the shear slot periphery of the base, and the adjusting nut is connected in a threaded manner on the connecting section;
[0012] The connecting section is connected with the matching steel plate fixedly arranged at the bottom of the first section of concrete support, and is fixed by bolts.
[0013] Further, the connecting section and the matching steel plate fixedly arranged at the bottom of the first section of concrete support are fixed by concrete pouring;
[0014] The concrete pouring height covers the upper end surface of the connecting section.
[0015] Further, the first section of concrete support includes an outer steel shell and a first steel bar section arranged on the inner wall of the outer steel shell, and the first steel bar section is arranged in intervals from top to bottom along the inner wall of the first section of concrete support.
[0016] Further, an inner steel shell is arranged along the first steel bar section in the outer steel shell, and a second steel bar section is arranged on the inner wall of the inner steel shell and arranged in intervals from top to bottom along the inner wall of the inner steel shell.
[0017] The outer steel shell and the inner steel shell are poured with concrete to form the first section of concrete support, and the shear column fixedly arranged at the bottom of the first section of concrete support is a steel structure column, and the shear column fixedly arranged at the bottom of the first section of concrete support is an integral steel structure column with the first section of concrete support.
[0018] Further, the first steel bar section is in a short straight steel bar structure, and the first steel bar section forms an inner steel shell mounting space along the inner wall of the outer steel shell.
[0019] The second steel bar section arranged on the inner wall of the inner steel shell is in a short straight steel bar structure.
[0020] Further, the first steel bar section is in a U-shaped steel bar structure, and the first steel bar section forms an inner steel shell mounting space along the inner wall of the outer steel shell.
[0021] The second steel bar section arranged on the inner wall of the inner steel shell is in a U-shaped steel bar structure.
[0022] Further, the second section of concrete support has the same outer steel shell and inner steel shell as the first section of concrete support inside, and is formed by pouring.
[0023] The second section of concrete support is welded and fixed between the connected second section of concrete support, and a connecting plate is arranged by the second section of concrete support and is a steel plate structure, and the connecting plate is bolted and fixed by a positioning plate of a steel structure.
[0024] Compared with the prior art, the utility model has the beneficial effects that:
[0025] The utility model discloses a first section of concrete support is wrapped by concrete to achieve the purpose of protecting the rigid column, and the first section of concrete support is bolted and fixed by concrete and steel structure.
[0026] The utility model discloses a first section of concrete support is wrapped by concrete to achieve the purpose of protecting the rigid column, and the first section of concrete support is bolted and fixed by concrete and steel structure.
[0027] In order to facilitate the firmness of the whole in the use state, improve the support performance of the first section of concrete support, the outer steel shell and the inner steel shell pour concrete to form the first section of concrete support, and the shear column fixed at the bottom of the first section of concrete support is a steel structure column matched with a shear groove. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 It is the three-dimensional schematic view of the utility model;
[0029] Figure 2 It is the sectional schematic view of the utility model;
[0030] Figure 3 It is the first section of concrete support and the second section of concrete support connection schematic view of the utility model;
[0031] Figure 4 It is the adjacent second section of concrete support connection schematic view of the utility model;
[0032] Figure 5 It is the utility model Figure 1 Partial enlarged schematic view;
[0033] Figure 6 It is the base plane schematic view of the utility model;
[0034] Figure 7 It is the outer steel shell sectional schematic view of the utility model;
[0035] Figure 8 It is the inner steel shell sectional schematic view of the utility model;
[0036] Figure 9 It is another state schematic view of the outer steel shell of the utility model;
[0037] Figure 10 It is the outer steel shell and the inner steel shell cooperation sectional schematic view of the utility model. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0039] In the description of the present application, it should be noted that, unless explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.
[0041] As shown in Figures 1-10 A prestressed reinforced concrete support structure, comprising a base 1 and a first section of concrete support 2 connected with the base 1, the first section of concrete support 2 is connected with the second section of concrete support 3 in a double fixing mode of welding and bolt, the second section of concrete support 3 is provided with a plurality of second sections of concrete support 3, and the plurality of second sections of concrete support 3 are connected in a double fixing mode of welding and bolt;
[0042] The second section of concrete support 3 is fixedly provided with a connecting plate 4, and the connecting plate 4 is bolted with a positioning plate 5;
[0043] The base 1 is fixed in the foundation pit in a pre-buried manner, the base 1 is a reinforced concrete structure column, and a connecting section 6 protruding from an end face of the base 1 is arranged in the base 1, and the end face of the base 1 is provided with a concave shear groove 7.
[0044] The first section of concrete support 2 and the second section of concrete support 3 are connected in a double fixing mode of welding and bolt, the connecting plate 4 is arranged on the upper end of the first section of concrete support 2, and the connecting plate is bolted with the positioning plate 5.
[0045] In order to connect the first section of concrete support 2 by setting the shear groove 7 in the use state, avoid using steel structure directly embedded in the ground corrosion in the use state, the shear groove 7 provided on the end face of the base 1 is matched with the shear column 8 below the first section of concrete support 2;
[0046] The bottom of the base 1 is provided in the foundation pit in a stepped structure, and the connecting section 6 is a screw structure, and the connecting section 6 and the base 1 are integrally poured with reinforced concrete.
[0047] In order to facilitate adjustment and docking in the use state, the connecting section 6 is provided with four and is uniformly distributed on the periphery of the shear groove 7 on the base 1, and the adjusting nut 9 is connected in a threaded manner on the connecting section 6;
[0048] The connecting section 6 is connected with the matching steel plate fixedly provided at the bottom of the first section of concrete support 2, and is fixed by bolts.
[0049] The connecting section 6 is fixed by concrete pouring at the matching steel plate 10 fixedly provided at the bottom of the first section of concrete support 2;
[0050] The concrete pouring height covers the upper end face of the connecting section 6.
[0051] After the adjusting nut is adjusted and fixed on the connecting section, it is fixed by concrete pouring, so that the first section of concrete support 2 and the base are more closely.
[0052] In order to facilitate the increase of the overall firmness in the use state, improve the support performance of the first section of concrete support 2, the first section of concrete support 2 comprises an outer steel shell 21 and a first steel reinforcement section 22 provided on the inner wall of the outer steel shell 21, and the first steel reinforcement section 22 is spaced apart from top to bottom along the inner wall of the first section of concrete support 2.
[0053] The inner steel shell 23 is installed along the first steel reinforcement section 22 in the outer steel shell 21, and the second steel reinforcement section 24 is provided on the inner wall of the inner steel shell 23, and the second steel reinforcement section 24 is spaced apart from top to bottom along the inner wall of the inner steel shell 23;
[0054] In order to facilitate the increase of the overall firmness in the use state, improve the support performance of the first section of concrete support 2, the outer steel shell 21 and the inner steel shell 23 are poured with concrete to form the first section of concrete support 2, the shear column 8 fixedly provided at the bottom of the first section of concrete support 2 is a steel structure column, and the shear column 8 fixedly provided at the bottom of the first section of concrete support 2 is an integral steel structure column with the first section of concrete support 2.
[0055] The first reinforcing section 22 is in a short straight reinforcing structure, and forms an inner steel shell 23 mounting space along the inner wall of the outer steel shell 21.
[0056] The inner wall of the inner steel shell 23 is provided with a second reinforcing section 24 in a short straight reinforcing structure.
[0057] The first reinforcing section 22 is in a U-shaped reinforcing structure, and forms an inner steel shell 23 mounting space along the inner wall of the outer steel shell 21.
[0058] The inner wall of the inner steel shell 23 is provided with a second reinforcing section 24 in a U-shaped reinforcing structure.
[0059] The second section of concrete support 3 has the same outer steel shell 21 and inner steel shell 23 as the first section of concrete support 2, and is cast and formed;
[0060] The second section of concrete support 3 is welded and fixed between the connected second sections of concrete support 3, and is provided with a connecting plate 4 in a steel plate structure, and the connecting plate 4 is bolted by a positioning plate of a steel structure.
[0061] The above-mentioned outer steel shell 21 and inner steel shell 23 form the first section of concrete support 2 and the second section of concrete support 3, thereby improving the stability and supportability of the first section of concrete support 2 and the second section of concrete support 3.
[0062] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they relate.
[0063] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A pre-stressed reinforced concrete support structure, characterised in that: The utility model provides a concrete support structure, including base (1) and with first section concrete support (2) of base (1) is connected, first section concrete support (2) is connected with second section concrete support (3) in welded and bolt double fixed mode, second section concrete support (3) is provided with several, several second section concrete support (3) between with welded and bolt double fixed mode connection; Second section concrete support (3) fixedly provided with connecting plate (4) is connected, connecting plate (4) is bolted through locating plate (5); The base (1) is embedded in the foundation pit, the base (1) is a reinforced concrete structure column, and a connecting section (6) protruding from the end face of the base (1) is arranged in the base (1).
2. The pre-stressed reinforced concrete support structure according to claim 1, characterized in that: The anti-shear groove (7) provided on the end face of the base (1) cooperates with the anti-shear column (8) below the first section concrete support (2). The bottom of the base (1) is arranged in a stepped structure in the foundation pit, and the connecting section (6) is a screw structure, and the connecting section (6) and the base (1) are integrally poured with reinforced concrete.
3. The pre-stressed reinforced concrete support structure of claim 2, wherein: The connecting section (6) is arranged in four and is uniformly distributed around the anti-shear groove (7) on the base (1), and an adjusting nut (9) is threadedly connected on the connecting section (6). The connecting section (6) is connected with the matching steel plate (10) fixedly arranged at the bottom of the first section concrete support (2) and is fixed by bolts.
4. The pre-stressed reinforced concrete support structure of claim 3, wherein: The connecting section (6) is connected with the matching steel plate (10) fixedly arranged at the bottom of the first section concrete support (2) and is fixed by pouring concrete. The pouring height of the concrete covers the upper end face of the connecting section (6).
5. The pre-stressed reinforced concrete support structure of claim 4, wherein: The first section concrete support (2) includes an outer steel shell (21) and a first reinforcing section (22) arranged on the inner wall of the outer steel shell (21), and the first reinforcing section (22) is arranged in intervals from top to bottom along the inner wall of the first section concrete support (2).
6. The pre-stressed reinforced concrete support structure of claim 5, wherein: An inner steel shell (23) is arranged along the first reinforcing section (22) in the outer steel shell (21), and a second reinforcing section (24) is arranged on the inner wall of the inner steel shell (23), and the second reinforcing section (24) is arranged in intervals from top to bottom along the inner wall of the inner steel shell (23). The outer steel shell (21) and the inner steel shell (23) are integrally poured with concrete to form the first section concrete support (2), and the bottom of the first section concrete support (2) is fixedly connected with the anti-shear column (8) which is an integral steel structure column.
7. The pre-stressed reinforced concrete support structure of claim 6, wherein: The first reinforcing section (22) is in a short straight reinforcing structure, and the first reinforcing section (22) forms an installation space for the inner steel shell (23) along the inner wall of the outer steel shell (21). The second reinforcing section (24) arranged on the inner wall of the inner steel shell (23) is in a short straight reinforcing structure.
8. The pre-stressed reinforced concrete support structure of claim 6, wherein: The first reinforcing section (22) is in a U-shaped reinforcing structure, and the first reinforcing section (22) forms an installation space for the inner steel shell (23) along the inner wall of the outer steel shell (21). The inner steel shell (23) is provided with a second steel bar section (24) in the form of a U-shaped steel bar structure.
9. The pre-stressed reinforced concrete support structure of claim 6, wherein: The second section concrete support (3) and the first section concrete support (2) have the same outer steel shell (21) and inner steel shell (23) inside, and are poured and formed; The second section concrete supports (3) are welded and fixed in connection, and are provided with a connecting plate (4) in the form of a steel plate structure through the second section concrete supports (3), and the connecting plate (4) is bolted and fixed through a positioning plate of a steel structure.