Light bridge deck slab structure

Abstract

The utility model discloses a light bridge deck slab structure which comprises a concrete pouring layer, an upper layer of reinforcing meshes and a lower layer of reinforcing meshes are arranged in the concrete pouring layer, a plurality of rigid installation supports used for positioning hollow core molds are connected to the reinforcing meshes, and installation holes used for being matched with outer rings of the hollow core molds are formed in the rigid installation supports. The hollow core molds are distributed in parallel in the horizontal direction, the rigid installation support and the hollow core molds are located between the upper reinforcing mesh and the lower reinforcing mesh, an installation sleeve is pre-buried in the concrete pouring layer, and a plurality of positioning mechanisms are arranged on the side face of the installation sleeve and used for being connected with the reinforcing meshes. The utility model has the advantages of light weight, convenient installation and stable structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field especially light bridge deck structure. BACKGROUND

[0002] As a kind of bridge structure, its design and function evolve with the development of society, bear the function of traffic and transportation. Pier is usually referred to in civil engineering, for transporting materials, equipment, personnel and build temporary bridge facilities, divided into wood pier, steel pier and concrete bridge according to the materials used.

[0003] At present, pier structure panel is commonly used in the form of steel panel or reinforced concrete prefabricated panel. Among them, steel panel has some shortcomings, first, the rigidity is relatively small, cannot meet the demand of heavy load pier, especially when large equipment and vehicles pass through, second, the fatigue resistance is limited, prone to fatigue damage under repeated load and thus reduce bearing capacity, third, in humid, salt fog environment (such as coastal areas) or in the presence of corrosive medium area, steel panel is prone to rust, affect the service life and safety of pier;Reinforced concrete prefabricated panel is widely used to overcome the above shortcomings.

[0004] The problem in the prior art is that the self weight of reinforced concrete prefabricated panel is large, which increases the burden of the lower structure, and requires higher foundation and support structure of the pier, which increases the construction cost and transportation cost;Part of the existing reinforced concrete prefabricated panel lacks lifting lifting point, and the installation and construction operation is not convenient. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems existing in prior art, provide a light bridge deck structure with light weight, convenient installation and stable structure.

[0006] To achieve the above object, the utility model adopts the technical scheme of a light bridge deck structure, which comprises a concrete pouring layer, the concrete pouring layer is provided with two layers of steel mesh, the steel mesh is connected with a plurality of rigid installation supports for positioning hollow core mold, the rigid installation support is provided with installation hole for cooperating with the outer circle of hollow core mold, a plurality of hollow core molds are distributed in parallel along horizontal direction, the rigid installation support and hollow core mold are located between the two layers of steel mesh, the concrete pouring layer is pre-buried with installation sleeve, the side surface of installation sleeve is provided with a plurality of positioning mechanisms, and the positioning mechanism is used for connecting with steel mesh.

[0007] In the above scheme, the concrete pouring layer is the main body of the bridge deck slab structure, the steel mesh and the hollow core mold are arranged inside to strengthen the structural strength and reduce the overall weight, the rigid mounting bracket is arranged on the steel mesh, mounting holes are formed on the rigid mounting bracket to cooperate with the outer ring of the hollow core mold to limit the hollow core mold, the installation accuracy of the hollow core mold is ensured, the thickness of the concrete layer outside the hollow core mold is ensured, the mounting sleeve is arranged in the concrete pouring layer to be used for the installation, connection and movement of the bridge deck slab structure, the mounting sleeve is connected with the steel mesh through the positioning mechanism to ensure the position accuracy and connection stability.

[0008] Preferably, the rigid mounting bracket comprises a positioning crossbar and a positioning frame, and the hollow core mold is placed on the positioning crossbar.

[0009] The mounting hole is formed through the positioning frame and the positioning crossbar, is connected with the outer ring of the hollow core mold, and realizes the positioning of the hollow core mold.

[0010] Preferably, the positioning frame comprises a frame body part, horizontal parts are arranged on both sides of the bottom of the frame body part, the horizontal parts are used for being connected with the steel mesh, positioning grooves are formed on the frame body part, and the positioning crossbar is clamped and connected in the positioning grooves.

[0011] The frame body part is matched with the shape and size of the outer ring of the hollow core mold to ensure the stable positioning of the hollow core mold, the horizontal parts are arranged to be in contact with and connected with the steel mesh, the clamping connection of the positioning crossbar is realized through the positioning grooves, and the installation and dismounting between the positioning frame and the hollow core mold are facilitated.

[0012] Preferably, the inner hole of the mounting sleeve is provided with threads, four positioning mechanisms are symmetrically arranged on the side surface of the mounting sleeve, and the positioning mechanism comprises a T-shaped structural part.

[0013] The threads are arranged in the inner hole of the mounting sleeve to facilitate the connection with hoisting equipment, realize the hoisting of the bridge deck slab structure, and the T-shaped structural part is connected and positioned with the steel mesh.

[0014] Preferably, the mounting sleeve comprises a blind hole sleeve, and the blind hole sleeve is embedded in the side surface of the concrete pouring layer.

[0015] The blind hole sleeve is arranged to be connected with hoisting equipment, realizes the hoisting and turning operation of the bridge deck slab structure.

[0016] Preferably, the mounting sleeve comprises a through hole sleeve, and the through hole sleeve is arranged in the concrete pouring layer in the up-down direction.

[0017] The through hole sleeve is arranged to be connected with hoisting equipment or connected through the bridge deck slab.

[0018] As preferred, the through hole sleeve is arranged around the concrete pouring layer, and the U-shaped connecting piece for connecting adjacent light bridge deck structures is detachably arranged in the through hole sleeve.

[0019] The U-shaped connecting piece is used to connect the through hole sleeves of adjacent bridge deck structures, and the installation efficiency is high.

[0020] As preferred, the through hole is arranged on the end face of the concrete pouring layer, and the position of the through hole corresponds to the position of the inner hole of the hollow core mold.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The hollow core mold is arranged in the concrete pouring layer to reduce the use amount of the concrete pouring layer, thereby reducing the overall weight of the bridge deck structure, reducing the load on the bridge foundation and support structure, improving the bridge support capacity, and reducing the construction cost and transportation cost.

[0023] The installation sleeve is arranged in the concrete pouring layer to facilitate the hoisting construction of the bridge deck structure, improve the construction efficiency, and facilitate the installation.

[0024] The rigid installation support is arranged in the concrete pouring layer to position the hollow core mold, ensure the connection stability of the hollow core mold, reduce the use amount of the concrete by the hollow core mold, and ensure the overall strength of the bridge deck; the positioning mechanism is arranged on the installation sleeve to ensure the connection stability between the installation sleeve and the steel mesh, and ensure the hoisting and installation stability of the bridge deck structure. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 FIG. 1 is a structural schematic diagram of a light bridge deck structure according to an embodiment of the utility model;

[0026] Figure 2 FIG. 2 is a structural perspective view of a light bridge deck structure according to an embodiment of the utility model; Figure One ;

[0027] Figure 3 FIG. 3 is an installation schematic diagram of a hollow core mold according to an embodiment of the utility model;

[0028] Figure 4 FIG. 4 is a structural perspective view of a rigid installation support according to an embodiment of the utility model;

[0029] Figure 5 FIG. 5 is an installation perspective view of a T-shaped structure according to an embodiment of the utility model;

[0030] Figure 6 This is a three-dimensional diagram of the installation of a U-shaped connector in an embodiment of the present utility model;

[0031] Figure 7 A light bridge deck structure according to an embodiment of the present invention Figure Two ;

[0032] In the figure: 1. Concrete pouring layer; 2. Steel mesh; 3. Positioning cross bar; 4. Positioning frame; 401. Frame part; 402. Horizontal part; 403. Positioning groove; 5. Mounting hole; 6. Hollow core mold; 7. Blind hole sleeve; 8. Through hole sleeve; 9. T-shaped structural member; 10. Through hole; 11. U-shaped connecting member. DETAILED DESCRIPTION

[0033] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0034] like Figures 1-6 As shown, a lightweight bridge deck structure includes a concrete casting layer 1, in which an upper and lower layer of steel mesh 2 are arranged. The steel mesh 2 is connected to a number of rigid mounting brackets for positioning a hollow core mold 6, and the rigid mounting bracket is provided with mounting holes 5 for cooperating with the outer ring of the hollow core mold 6. Several of the hollow core molds 6 are distributed in parallel in the horizontal direction, and the rigid mounting brackets and the hollow core mold 6 are both located between the upper and lower layers of steel mesh 2. A mounting sleeve is pre-embedded in the concrete casting layer 1, and a number of positioning mechanisms are provided on the side of the mounting sleeve, which is used to connect with the steel mesh 2.

[0035] In the above scheme, the concrete pouring layer 1 is the main body of the bridge deck structure, and a steel mesh 2 and a hollow core mold 6 are arranged inside to strengthen its structural strength and reduce the overall weight. A rigid mounting bracket is arranged on the steel mesh 2, and a mounting hole 5 is opened on the rigid mounting bracket to cooperate with the outer ring of the hollow core mold 6 to limit the hollow core mold 6, thereby ensuring the installation accuracy of the hollow core mold 6 and the thickness of the concrete layer outside the hollow core mold 6. A mounting sleeve is arranged in the concrete pouring layer 1 for the installation, connection and movement of the bridge deck structure. The mounting sleeve is connected to the steel mesh 2 through a positioning mechanism to ensure accurate positioning and connection stability.

[0036] Preferably, the rigid mounting bracket includes a positioning cross bar 3 and a positioning frame 4 , and the hollow core mold 6 is placed on the positioning cross bar 3 .

[0037] The mounting hole 5 is formed by the positioning frame 4 and the positioning crossbar 3, is connected with the outer ring of the hollow core mold 6, the hollow core mold 6 is positioned, and the hollow core mold 6 is supported by the positioning crossbar 3.

[0038] As preferred, the positioning frame 4 comprises a frame body part 401, the bottom of the frame body part 401 is provided with horizontal parts 402 for connecting with the steel mesh 2, the frame body part 401 is provided with positioning grooves 403, and the positioning crossbar 3 is clamped and connected in the positioning grooves 403.

[0039] The frame body part 401 matches the shape and size of the outer ring of the hollow core mold 6 to ensure stable positioning of the hollow core mold 6, the horizontal parts 402 are provided to contact and connect with the steel mesh 2, the positioning grooves 403 are provided to clamp and connect the positioning crossbar 3, and the positioning frame 4 and the hollow core mold 6 are convenient to mount and dismount.

[0040] The horizontal parts 402 and the steel mesh 2 can be connected by welding or binding.

[0041] As preferred, the inner hole of the mounting sleeve is provided with threads, the side of the mounting sleeve is symmetrically provided with four positioning mechanisms, and the positioning mechanism comprises a T-shaped structural part 9.

[0042] The threads are provided in the inner hole of the mounting sleeve to facilitate connection with hoisting equipment, realize hoisting of the bridge deck structure, and the T-shaped structural part 9 is connected and positioned with the steel mesh 2.

[0043] The T-shaped structural part 9 comprises two sections of steel bars arranged vertically.

[0044] As preferred, the mounting sleeve comprises a blind hole sleeve 7, and the blind hole sleeve 7 is embedded in the side of the concrete pouring layer 1.

[0045] The blind hole sleeve 7 is provided to be connected with hoisting equipment to realize hoisting and turning of the bridge deck structure.

[0046] The direction of the blind hole sleeve 7 is perpendicular to the hollow core mold 6, and the opening end of the blind hole sleeve 7 is flush with the surface of the light bridge deck panel.

[0047] As preferred, the mounting sleeve comprises a through hole sleeve 8, and the through hole sleeve 8 is arranged in the concrete pouring layer 1 along the up-down direction.

[0048] The through hole sleeve 8 is provided for hoisting equipment or connection through the bridge deck panel.

[0049] As preferred, the concrete pouring layer 1 is provided with the through-hole sleeve 8 around the periphery, and the U-shaped connecting piece 11 for connecting adjacent light bridge deck structures is detachably arranged in the through-hole sleeve 8.

[0050] The U-shaped connecting piece 11 is used to connect the through-hole sleeves 8 of adjacent bridge deck structures, and the installation efficiency is high.

[0051] The U-shaped connecting piece 11 comprises a U-shaped lock.

[0052] As preferred, the through-hole 10 is arranged on the end surface of the concrete pouring layer 1, and the position of the through-hole 10 corresponds to the position of the inner hole of the hollow core mold 6.

[0053] As shown in Figure 7 In some embodiments, the through-hole 10 is not arranged on the end surface of the concrete pouring layer 1, and the plugging plate is arranged at both ends of the hollow core mold 6 to seal.

[0054] During the production of the bridge deck, the lower reinforcement mesh 2 is laid on the formwork, and the lower reinforcement mesh 2 and the upper reinforcement mesh 2 are both composed of a plurality of longitudinal steel bars in the length direction and a plurality of transverse steel bars in the width direction, and the projections of the lower reinforcement mesh 2 and the upper reinforcement mesh 2 on the horizontal plane correspond to each other;

[0055] A plurality of hollow core molds 6 are arranged in parallel to the length direction of the plate and are arranged at intervals in the width direction of the plate, and each hollow core mold 6 is arranged staggered with the longitudinal steel bars in the length direction;

[0056] A plurality of rigid mounting supports are used to support and fix the hollow core mold 6, and are arranged at a set interval along the length direction of the hollow core mold 6; the positioning cross bar 3 and the positioning frame 4 are in close contact with the hollow core mold 6;

[0057] The through-hole sleeves 8 are pre-embedded around and in the middle of the concrete structure layer, and the height of the through-hole sleeve 8 is the same as the thickness of the plate.

[0058] The manufacturing process of the light bridge deck comprises the following steps:

[0059] The light bridge deck formwork is built;

[0060] The longitudinal steel bars and the transverse steel bars with the required length and quantity are selected and bound;

[0061] The rigid mounting support is fixed on the lower reinforcement mesh 2 according to the spatial position of the hollow core mold 6, and the hollow core mold 6 is fixed through the rigid mounting support;

[0062] The longitudinal steel bars and the transverse steel bars with the required length and quantity are selected and bound at the upper end of the lower reinforcement mesh 2;

[0063] A certain number of mounting sleeves are symmetrically arranged in the plane inside the light bridge deck and along the side of the light bridge deck;

[0064] The light bridge deck is prepared by pouring the ultra-high performance concrete meeting the required performance index and curing.

[0065] The light bridge deck is hoisted and turned over by arranging a certain number of threaded blind hole sleeves 7 along the side direction of the light bridge deck.

[0066] The through hole sleeve 8 arranged in the middle of the light bridge deck is used as a hoisting hole to transport the light bridge deck to the predetermined installation position, and then the hole is used as a positioning connection installation hole 5 to connect and fix the light bridge deck with the lower support structure.

[0067] The adjacent light bridge decks are connected based on the through hole sleeves 8 around the light bridge deck and the U-shaped connecting piece, the U-shaped connecting piece passes through the through hole sleeves 8 of the edges of the adjacent light bridge decks and is connected and fixed with the lower support structure.

[0068] The light bridge deck of the utility model has high bearing capacity, can absorb and disperse energy, reduce the generation and development of cracks, improve the safety and reliability of the structure, has light structure design, reduces the self weight of the deck, reduces the burden of the lower structure and the cost of foundation engineering, is convenient to transport and install, has excellent bonding performance, can be combined with steel bars and hollow core molds 6, forms an integral force structure, ensures the integrity, stability and durability of the light deck, is simple to manufacture and convenient to install, and can be repeatedly used.

[0069] The utility model realizes the comprehensive target of light weight, high strength, durability and repeated use.

[0070] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lightweight bridge deck panel structure, characterized by, The application relates to a concrete pouring layer, which is provided with upper and lower layers of reinforcing meshes, a plurality of rigid mounting supports for positioning hollow core molds are connected to the reinforcing meshes, mounting holes for cooperating with outer rings of the hollow core molds are arranged on the rigid mounting supports, a plurality of the hollow core molds are distributed in parallel along the horizontal direction, the rigid mounting supports and the hollow core molds are located between the upper and lower layers of reinforcing meshes, mounting sleeves are embedded in the concrete pouring layer, a plurality of positioning mechanisms are arranged on the side of the mounting sleeves, and the positioning mechanisms are used for connecting with the reinforcing meshes.

2. The lightweight bridge deck panel structure according to claim 1, wherein The rigid mounting support comprises a positioning cross rod and a positioning frame.

3. The lightweight bridge deck panel structure according to claim 2, wherein, The positioning frame comprises a frame body part, horizontal parts are arranged on the two sides of the bottom of the frame body part, the horizontal parts are used for connecting with the reinforcing meshes, positioning grooves are arranged on the frame body part, and the positioning cross rod is clamped and connected in the positioning grooves.

4. The lightweight bridge deck panel structure according to claim 1, wherein The inner hole of the mounting sleeve is provided with a screw thread, four positioning mechanisms are symmetrically arranged on the side of the mounting sleeve, and the positioning mechanisms comprise T-shaped structural parts.

5. The lightweight bridge deck panel structure according to claim 4, wherein The mounting sleeve comprises a blind hole sleeve, and the blind hole sleeve is embedded in the side of the concrete pouring layer.

6. The lightweight bridge deck panel structure according to claim 4, wherein The mounting sleeve comprises a through hole sleeve, and a plurality of the through hole sleeves are arranged in the concrete pouring layer in a penetrating mode along the vertical direction.

7. The lightweight bridge deck panel structure according to claim 6, wherein The through hole sleeves are arranged around the concrete pouring layer, and U-shaped connecting pieces for connecting adjacent light bridge deck structures are detachably arranged in the through hole sleeves.

8. The lightweight bridge deck panel structure according to claim 1, wherein A through hole is arranged on the end face of the concrete pouring layer, and the position of the through hole corresponds to the position of the inner hole of the hollow core mold.

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