Corbel type fractal connection prefabricated assembly type cover plate small bridge culvert

Abstract

The utility model discloses a bracket type fractal connection prefabricated assembly type cover plate small bridge culvert which comprises side walls, and a cover plate and a foundation are installed on the upper portions and the lower portions of the two adjacent side walls respectively. The foundation comprises an integral foundation and a separated foundation; the supporting beam is located in the middle of the separated foundation, and gaps are filled with concrete or mortar rubble layers; the utility model has the advantages of universal structure, unified connection, simplicity and convenience in construction and wide application range; corbel type fractal division components are adopted, so that the cover plate small bridges and culverts are consistent in connection form, uniformity and standardization of formworks can be achieved, the requirement for formwork equipment is lowered, and the work efficiency of factory prefabrication is improved; a bracket type fractal division component is adopted, and the cover plate small bridge culvert is divided into sizes with the uniform length, so that construction and transportation are facilitated; the corbel type fractal division component is adopted, the same connecting mode can be adopted, and the connecting work efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge engineering, and in particular relates to a prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection. Background Art

[0002] During the construction of traditional small bridges and culverts with covered plates, the workload of on-site pouring and assembly is large, the construction period is long, and the impact on the construction site environment is relatively large; in the existing prefabricated and assembled small bridges and culverts with covered plates, the modularity and uniformity of division and component connection still have certain limitations. Utility Model Content

[0003] The utility model aims to provide a prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection, which has the effects of unified form, standard connection, universal assembly, firm connection and fast assembly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated assembled cover-plate small bridge culvert with corbel-type fractal connection, comprising side walls, with cover plates installed on two adjacent side walls; foundations and scaffolding are also installed on the side walls; the foundation is divided into an integral foundation and a separated foundation; when the foundation is a separated foundation, a supporting beam is provided in the middle of the separated foundation, and the gaps thereof are filled with concrete or a mortar-laid stone layer.

[0005] Preferably, anchor bolts are provided at the upper and lower ends of the side wall, the anchor bolts at the upper end are respectively connected to the cover plate and the strapping plate, and the anchor bolts at the lower end are respectively connected to the foundation and the support beam.

[0006] Preferably, the support beam is located below the cover plate.

[0007] Preferably, the foundation is located below the butt-laying.

[0008] Preferably, after the cover plate, the side wall and the lap board are spliced ​​together, the top ends are flush.

[0009] Preferably, after the side walls, foundation and support beams are spliced, their bottom ends are flush.

[0010] Preferably, when the foundation is an integral foundation, no supporting beams are provided.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] It has the advantages of universal structure, unified connection, simple construction and wide application range;

[0013] The use of corbel-type fractal division components makes the connection form of the cover plate small bridge culvert consistent, which can achieve the unification and standardization of the template, reduce the requirements for template equipment, and improve the efficiency of factory prefabrication;

[0014] The corbel-type fractal division components are used to divide the small bridge culvert with uniform lengths, which is convenient for construction and transportation.

[0015] The use of corbel-type fractal division components can adopt the same form of connection method, which can improve the connection efficiency;

[0016] The components are divided into corbel-like fractal parts, which can be assembled into various structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 They are schematic diagrams of the integral basic structure of the utility model respectively;

[0018] Figure 2 They are respectively schematic diagrams of the separate basic structure of the utility model;

[0019] Figure 3 This is a front view structural schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the connection structure of the single-hole separated foundation cover culvert corbel-shaped joint of the utility model;

[0021] Figure 5 It is a schematic diagram of the connection structure of the double-hole separated foundation cover culvert corbel-shaped joint of the utility model;

[0022] Figure 6 It is a schematic diagram of the connection structure of the double-hole integral foundation cover culvert and the box culvert corbel-shaped joint of the utility model;

[0023] Figure 7 It is a schematic diagram of the connection structure of the single-hole integral foundation arch culvert corbel-shaped joint of the utility model;

[0024] Figure 8 It is a schematic diagram of the connection structure of the single-hole integral small foundation bridge corbel-shaped joint of the utility model;

[0025] Fig. 9 It is a schematic diagram of the connection structure of the three-hole or multi-hole separated foundation height-changing cover plate small bridge culvert corbel-shaped joint of the utility model;

[0026] Fig.10 It is a schematic diagram of the connection structure of the three-hole or multi-hole separated basic small arch bridge of the utility model;

[0027] In the figure: 1. Cover plate; 2. Side wall; 3. Foundation; 4. Support beam; 5. Lap plate; 6. Anchor bolt. DETAILED DESCRIPTION

[0028] 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 in 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.

[0029] See also Figure 1-Figure 10 , is an embodiment of the utility model, which provides a prefabricated assembled cover plate small bridge culvert with a corbel connection, comprising

[0030] Side wall 2, two adjacent side walls 2 are installed with cover plate 1 and support beam 4, in order to increase the stability of the splicing of side wall 2 and cover plate 1, anchor bolts 6 are used to fix side wall 2 and cover plate 1; in order to increase the stability of the splicing of side wall 2 and support beam 4, anchor bolts 6 are used to fix side wall 2 and support beam 4; support beam 4 is located below cover plate 1; foundation 3 and slat 5 are also installed on side wall 2, and foundation 3 is located below slat 5, realizing the addition of foundation 3 and slat 5, foundation 3 is installed by anchor bolts 6, and slat 5 is installed by anchor bolts 6; after side wall 2, foundation 3 and support beam 4 are spliced, the bottom ends are flush; cover plate 1 and side wall 2 are fixedly connected by anchor bolts, so that cover plate 1 and side wall 2 are firmly spliced; foundation 3 includes integral foundation and separate foundation, support beam 4 is located in the middle of separate foundation, and its gap is filled with concrete or mortar rubble layer, wherein, integral foundation: the whole plate is connected with side wall 2; separate foundation: two plates are connected with side wall 2.

[0031] The construction method of the small bridge culvert with cover plate by fractal design of the corbel joint includes the following steps:

[0032] 1) Design components with corbel-type fractal connections: The small bridge culvert with a cover plate is divided into a cover plate, a side wall, a foundation, a supporting beam and a slat at the component connection node, and each segment end is a corbel-shaped joint; this corbel-shaped joint is used to achieve smooth assembly of the size of the segment component connection;

[0033] 2) Prefabricated components: components prefabricated in the factory for small bridges and culverts, including cover plates, side walls, foundations and slabs;

[0034] 4) Painting and decoration: waterproof and anti-corrosion coatings are applied on the inner and outer surfaces of prefabricated components, and coatings are applied on the inner surfaces;

[0035] 3) Transport components: transport the prefabricated cover plates, side walls, foundations and slab components to the construction site;

[0036] 4) Positioning foundation: construct the foundation leveling cushion layer, hoist the prefabricated foundation components to the designed position for splicing and positioning;

[0037] 5) Assemble the side wall: hoist the side wall components to the foundation components, and connect the side wall corbel tenon and the notch at the foundation joint with structural anchor bolts;

[0038] 6) Install the cover plate: Install the cover plate part on the top of the side wall component and connect it through the bolts and anchors pre-anchored on the top of the side wall;

[0039] 7) Anti-corrosion and waterproofing: Anti-corrosion and waterproofing coatings are applied to the joints of the side walls and cover components;

[0040] 8) Filling on the side and top of the culvert: Fill symmetrically and compactly in layers on the outside of the side walls and the top of the cover slab.

[0041] The design and construction method of a small bridge culvert with a corbel-type fractal partitioned cover plate includes the following steps:

[0042] Determine the span of the bridge and culvert: Determine the clear span and clear height of the small bridge and culvert with cover plate according to the design requirements;

[0043] Divide components: According to the span of the bridge culvert, the node connection area will be divided into bracket-type connection components with the same shape and size at the node connection of the cover plate small bridge culvert;

[0044] Design the corbel: Design the corresponding corbel structure for each corbel fractal-divided connecting member, including the corbel shape, size, reinforcement and connection method;

[0045] Corbel calculation: According to the division of components and the division of component forces, the structural force calculation of the corbel and the detailed calculation of the connection are carried out.

[0046] The working principle and use process of the utility model are as follows: when in use, the cover plate 1, the side wall 2, and the strapping plate 5 are fixedly connected by the anchor bolts 6; the side wall 2, the foundation 3, and the support beam 4 are fixedly connected by the anchor bolts 6.

[0047] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection, characterized in that: The invention comprises side walls (2), and cover plates (1) are installed on two adjacent side walls (2); a foundation (3) and a slab (5) are also installed on the side walls (2); the foundation (3) is divided into an integral foundation and a separated foundation; when the foundation is a separated foundation, a support beam (4) is arranged in the middle of the separated foundation, and the gaps of the support beam (4) are filled with concrete or a mortar-laid slab layer.

2. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 1 is characterized in that: Anchor bolts (6) are provided at the upper and lower ends of the side wall (2); the anchor bolts (6) at the upper end are respectively connected to the cover plate (1) and the strap plate (5); and the anchor bolts (6) at the lower end are respectively connected to the foundation (3) and the support beam (4).

3. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 2 is characterized by: The support beam (4) is located below the cover plate (1).

4. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 3 is characterized by: The foundation (3) is located below the butt plate (5).

5. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 4 is characterized in that: After the cover plate (1), the side wall (2) and the lap plate (5) are spliced ​​together, the top ends are flush.

6. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 5 is characterized in that: After the side wall (2), the foundation (3) and the support beam (4) are spliced, the bottom ends are flush.

7. The prefabricated assembled cover plate small bridge culvert with corbel-type fractal connection according to claim 1 is characterized by: When the foundation is an integral foundation, no supporting beam (4) is provided.

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