Novel assembly type canopy structure system

Abstract

The utility model belongs to the technical field of civil engineering structures, and particularly relates to a novel assembly type canopy structure system which comprises canopy prefabricated parts of roadbed U-shaped grooves, the canopy prefabricated parts are divided into prefabricated columns, prefabricated beams and prefabricated double-T plates, the prefabricated columns and the prefabricated beams form a longitudinal frame, the prefabricated columns and the prefabricated double-T plates form a transverse bent frame, and the transverse bent frame is connected with the transverse bent frame. The prefabricated column and the roadbed U-shaped groove are connected through a column base joint, the prefabricated column and the prefabricated beam are connected through a beam column joint, the prefabricated double-T plate and the prefabricated beam are connected through a beam plate joint, and the upper portion of the prefabricated double-T plate forms an inter-plate joint by pouring concrete. According to the characteristic that the U-shaped groove of the roadbed is linear along the railway, a novel structural system of the longitudinal frame and the transverse bent frame is provided, the structural system is clear in force transmission path and convenient to construct, prefabricated parts are machined and produced in a factory, all joints are poured on site, construction is convenient and fast, the problem of multi-specialty crossing can be solved, and the construction efficiency is improved. And the purpose of reasonably saving the construction period is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to civil engineering structure technical field, concretely relates to a novel assembly type canopy structure system. BACKGROUND

[0002] There is a certain range of transition section between the railway underground tunnel and the railway ground embankment, that is, the railway embankment U-shaped groove, the upper part of the embankment U-shaped groove is provided with a U-shaped groove canopy (hereinafter referred to as "canopy"), and the length of the embankment U-shaped groove and the canopy is generally hundreds of meters.

[0003] The embankment U-shaped groove and the canopy have tracks, contact nets, cable trenches and other facilities, and belong to a comprehensive design section with multiple professional cross.

[0004] The conventional canopy adopts a cast-in-place frame structure system, and full scaffolding is needed during construction. The tracks, contact nets, cable trenches and other facilities need to be constructed after the completion of the canopy construction and the removal of the full scaffolding.

[0005] The construction period of the embankment U-shaped groove and the canopy is relatively long, and often becomes a time limit factor of the entire railway project.

[0006] The existing problems of the prior art are that the full scaffolding used in the conventional canopy system simultaneously has multiple professional cross operations, which restricts the construction period of the entire railway project.

[0007] The significance of solving the above technical problems lies in that the new assembly type canopy structure system has a clear force transmission path, can avoid the use of full scaffolding, is convenient for construction, and solves the problem of cross operation of the canopy and the tracks, contact nets, cable trenches and other facilities. INVENTION CONTENTS

[0008] The utility model proposes a solution of a new assembly type canopy structure system in view of the problems in the prior art.

[0009] The technical scheme adopted by the utility model to solve the problem is:

[0010] A new assembly type canopy structure system, comprising a canopy prefabricated component of an embankment U-shaped groove, the canopy prefabricated component comprising a prefabricated column, a prefabricated beam and a prefabricated double-T plate, wherein:

[0011] The prefabricated column and the prefabricated beam constitute a longitudinal frame, the prefabricated column and the prefabricated double-T plate constitute a transverse bent frame, the prefabricated column and the embankment U-shaped groove are connected through a column foot node, the prefabricated column and the prefabricated beam are connected through a beam-column node, the prefabricated double-T plate and the prefabricated beam are connected through a beam-plate node, and the upper part of the prefabricated double-T plate is formed into an inter-plate node by pouring concrete.

[0012] In the technical scheme, the roadbed U-shaped groove is a U-shaped groove structure integrally cast by a roadbed body and roadbed retaining walls on both sides, is a reinforced concrete structure continuously arranged along the railway extension direction, the thickness of the roadbed retaining wall gradually increases from top to bottom, the longitudinal section is in the shape of a right trapezoid or a similar right trapezoid, and the inclined surface faces outward.

[0013] In the technical scheme, the roadbed body is provided with a cable trench for laying power cables and a track for train passing, and the inner side of the roadbed retaining wall is provided with a contact network.

[0014] In the technical scheme, the roadbed U-shaped groove further comprises a roadbed retaining wall arranged outside the roadbed retaining wall, the roadbed retaining wall is a reinforced concrete structure arranged at intervals along the extension direction of the roadbed U-shaped groove, the shape of the roadbed retaining wall is matched with the roadbed retaining wall, the thickness of the roadbed retaining wall gradually decreases from top to bottom, the longitudinal section is in the shape of a right trapezoid or a similar right trapezoid, and the inclined surface faces inward.

[0015] In the technical scheme, the prefabricated column is arranged at intervals along the extension direction of the roadbed U-shaped groove, and the prefabricated beam and the prefabricated double T plate are arranged along the extension direction of the roadbed U-shaped groove.

[0016] In the technical scheme, the prefabricated column, the prefabricated beam and the prefabricated double T plate are all prefabricated components, and the column foot joint, the beam-column joint, the beam-plate joint and the inter-plate joint are all cast-in-place joints.

[0017] In the technical scheme, the prefabricated column and the roadbed retaining wall are connected through the column foot joint, the column foot joint adopts a cup mouth foundation, and then is cast with concrete.

[0018] In the technical scheme, the prefabricated column is further provided with a temporary rigid lug, the beam-column joint is cast with concrete and is installed and fixed by using the temporary rigid lug.

[0019] In the technical scheme, the beam-plate joint is welded and fixed by using a pre-embedded steel plate.

[0020] In the technical scheme, the inter-plate joint is welded and fixed by using a pre-embedded steel plate, and is reinforced by upper cast-in-place concrete.

[0021] The utility model has the advantages and positive effects that:

[0022] 1. The utility model combines the characteristics of the roadbed U-shaped groove in the shape of "line" along the railway, and proposes a new structure system of "longitudinal frame + transverse bent frame" on the basis of the traditional frame structure or bent frame structure system, the structure system has clear force transmission path, is convenient for construction, and is suitable for assembly type scheme.

[0023] 2. The novel structure system force transmission path is clear, and the prefabricated components of the canopy are processed and produced in a factory, nodes are cast on site, convenient construction can solve the problem of multi-specialty intersection, and the purpose of reasonable saving of construction period is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0024] The technical solutions of the utility model will be described in further detail below in combination with the drawings and embodiments, but it should be understood that these drawings are designed only for illustrative purposes, and therefore should not be regarded as limiting the scope of the utility model. In addition, unless specifically indicated, these drawings are only intended to conceptually illustrate the structural configuration described herein, and are not necessarily drawn to scale.

[0025] Figure 1 is a prefabricated canopy structure schematic diagram of the utility model.

[0026] In the drawings:

[0027] 1: prefabricated column; 2: prefabricated beam;

[0028] 3: prefabricated double-T plate; 4: column foot node;

[0029] 5: beam-column node; 6: beam-plate node;

[0030] 7: inter-plate node; 8: roadbed U-shaped groove;

[0031] 9: track; 10: catenary;

[0032] 11: cable trench; 12: train;

[0033] 13: temporary steel bracket; 14: roadbed retaining wall;

[0034] 15: roadbed retaining wall. DETAILED DESCRIPTION

[0035] First of all, it should be noted that the specific structure, characteristics and advantages of the utility model will be described in detail below by way of example, however, all the descriptions are only used for illustration, and should not be understood as any limitation on the utility model. In addition, any single technical feature described or implied in each embodiment mentioned in this paper, or any single technical feature shown or implied in each drawing, can still continue to be combined or deleted between these technical features (or their equivalents), so as to obtain more other embodiments of the utility model that may not be directly mentioned in this paper. In addition, for the purpose of simplifying the drawing, the same or similar technical features may only be marked in one place in the same drawing.

[0036] In the utility model, unless another definite provision and limitation, the terms "mount", "arrange", "connect", "fix", "screw" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relation of two elements inside, unless another definite limitation, for the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.The utility model is specifically described below in conjunction with the drawings. Embodiment

[0037] A novel assembly type canopy structure system, including the canopy prefabricated component of roadbed U-shaped groove, the canopy prefabricated component includes prefabricated column 1, prefabricated beam 2 and prefabricated double T plate 3, wherein:

[0038] The prefabricated column 1 and the prefabricated beam 2 constitute longitudinal frame, the prefabricated column 1 and the prefabricated double T plate 3 constitute transverse bent frame, the prefabricated column 1 and the roadbed U-shaped groove are connected through column foot node 4, the prefabricated column 1 and the prefabricated beam 2 are connected through beam-column node 5, the prefabricated double T plate 3 and the prefabricated beam 2 are connected through beam-plate node 6, and the upper portion of the prefabricated double T plate 3 is formed into inter-plate node 7 by pouring concrete.

[0039] The embodiment is combined with the "linear" characteristics of roadbed U-shaped groove along the railway, and based on the traditional frame structure or bent frame structure system, proposes a novel structure system of "longitudinal frame + transverse bent frame", and adopts an assembly type scheme of "prefabricated component + cast-in-place node", and the specific scheme is as follows:

[0040] As Figure 1 As shown in the utility model's assembly type canopy structure schematic diagram, the prefabricated column 1 and the prefabricated beam 2 of canopy form longitudinal frame, and the prefabricated column 1 and the prefabricated double T plate 3 form transverse bent frame, to form a novel assembly type structure system of "longitudinal frame + transverse bent frame". Among them: the canopy prefabricated component includes prefabricated column 1, prefabricated beam 2 and prefabricated double T plate 3, and cast-in-place node includes column foot node 4, beam-column node 5, beam-plate node 6 and inter-plate node 7.Column foot node 4 adopts cup mouth foundation, simultaneously meets the requirements of column bottom rigid joint and convenient construction;Beam-column node 5 adopts cast-in-place concrete method, and is installed and fixed by using temporary rigid knee joint, and the method of temporary steel knee joint does not affect the architectural aesthetic effect and can be recycled, saving engineering investment;Beam-plate node 6 is welded and fixed by using pre-buried steel plate, and is convenient and reliable in construction;Inter-plate node 7 is also welded and fixed between pre-buried steel plates, and is reinforced by pouring 50mm thick concrete in the upper portion, to ensure the overall rigidity of the structure.

[0041] The force transmission path of the new structure system is clear, and the assembly type is suitable. The prefabricated components of the canopy are processed and produced in a factory, and the nodes are cast on site, which is convenient for construction and can solve the problem of multi-specialty intersection and achieve the purpose of reasonable saving of construction period.

[0042] Further, in the embodiment, the roadbed U-shaped groove is a U-shaped groove structure integrally cast by the roadbed body and the roadbed retaining wall 14 on both sides, is a reinforced concrete structure continuously arranged along the extension direction of the railway, the thickness of the roadbed retaining wall 14 gradually increases from top to bottom, the longitudinal section is in the shape of a right trapezoid or a similar right trapezoid, and the inclined surface faces outward. The roadbed retaining wall 14 designed in this way can meet the requirements of the overall rigidity of the roadbed U-shaped groove and convenient construction, and can guarantee the overall stability of the structure without affecting the architectural aesthetic effect.

[0043] Further, in the embodiment, the roadbed body is provided with a cable trench 11 for laying power cables and a track 9 for the passage of trains 12, and the inner side of the roadbed retaining wall 14 is provided with a contact network 10.

[0044] Further, in the embodiment, the roadbed U-shaped groove further includes a roadbed retaining wall 15 arranged outside the roadbed retaining wall 14, the roadbed retaining wall 15 is a reinforced concrete structure arranged at intervals along the extension direction of the roadbed U-shaped groove, the shape of the roadbed retaining wall 15 is adapted to the roadbed retaining wall 14, the thickness of the roadbed retaining wall 15 gradually decreases from top to bottom, the longitudinal section is in the shape of a right trapezoid or a similar right trapezoid, and the inclined surface faces inward. The roadbed retaining wall 15 designed in this way plays a supporting assembly role of the prefabricated column on one hand, and on the other hand, the prefabricated column and the roadbed retaining wall are connected one by one, the prefabricated column does not directly act on the roadbed retaining wall, the roadbed retaining wall 15 is used to provide support for the prefabricated column, and the requirements of convenient construction and the overall rigidity of the roadbed U-shaped groove can be met.

[0045] Further, in the embodiment, the prefabricated column 1 is arranged at intervals along the extension direction of the roadbed U-shaped groove, and the prefabricated beam 2 and the prefabricated double-T plate 3 are arranged along the extension direction of the roadbed U-shaped groove.

[0046] Further, in the embodiment, the prefabricated column 1, the prefabricated beam 2, and the prefabricated double-T plate 3 are all prefabricated components, and the column foot node 4, the beam-column node 5, the beam-plate node 6, and the inter-plate node 7 are all cast-in-place nodes.

[0047] Further, in the embodiment, the prefabricated column 1 and the roadbed retaining wall are connected through the column foot node 4, the column foot node 4 adopts a cup mouth foundation, and then is cast with concrete.

[0048] Further, it can also be considered in the embodiment that the prefabricated column 1 is further provided with a temporary rigid knee 13, and the beam-column joint 5 is poured with concrete and installed and fixed by the temporary rigid knee.

[0049] Further, it can also be considered in the embodiment that the beam-slab joint 6 is welded and fixed by a pre-embedded steel plate, and then poured with concrete; the inter-slab joint 7 is welded and fixed by a pre-embedded steel plate, and then strengthened by an upper cast-in-place concrete. The pre-embedded steel plates are pre-embedded in the prefabricated double-T slab 3 and the prefabricated beam 2, and the cross section of the pre-embedded steel plate is rectangular, triangular or other polygonal. In order to improve the stability of the fixing, taking the prefabricated double-T slab 3 as an example, the cross section of the pre-embedded steel plate embedded therein is triangular, the pre-embedded steel plate close to the upper part of the prefabricated double-T slab 3 is an inverted triangle, and the pre-embedded steel plate close to the lower part of the prefabricated double-T slab 3 is a right triangle, so that the prefabricated double-T slab 3 can be more stably fixed with the cast-in-place layer above and the prefabricated beam 2 below.

[0050] The novel assembly type canopy structure system in the embodiment includes a roadbed U-shaped groove and a canopy prefabricated component, the prefabricated component includes a prefabricated column 1, a prefabricated beam 2 and a prefabricated double-T slab 3, and the cast-in-place joint includes a column foot joint 4, a beam-column joint 5, a beam-slab joint 6 and an inter-slab joint 7.

[0051] The construction process of the system is as follows: the prefabricated column 1, the prefabricated beam 2 and the prefabricated double-T slab 3 are all processed and produced in a factory and then transported to the construction site. First, the prefabricated column 1 is hoisted into the cup-shaped foundation, and the column foot joint 4 is poured. After the prefabricated beam 2 is installed on the top of the prefabricated column 1 (the prefabricated beam 2 is placed on the temporary steel knee 13), the beam-column joint 5 is poured. Then, the prefabricated double-T slab 3 is hoisted onto the prefabricated beam 2, and the beam-slab joint 6 is connected by welding. The inter-slab joint 7 is formed by pouring concrete on the prefabricated double-T slab 3.

[0052] The specific parameters are as follows: the cross-sectional size of the prefabricated column 1 is 0.85m x 0.85m; the cross-sectional size of the prefabricated beam 2 is 0.35m (width) x 1.20m (height); the middle height of the prefabricated double-T slab 3 is 700mm, and the end height is 400mm. The column foot joint 4 is poured with C45 fine stone concrete; the beam-column joint 5 is poured with C40 concrete; the beam-slab joints 6 are connected by a buried piece, the size of the buried piece steel plate is 250mm x 120mm x 10mm, and 10 anchor bars with a diameter of 8mm are arranged; the inter-slab joint 7 is poured with cast-in-place 50mm thick C40 concrete, and a bidirectional steel mesh with a diameter of 8mm and a spacing of 200mm is arranged in the cast-in-place layer.

[0053] The utility model discloses a new type structure system of "longitudinal frame + transverse row frame" based on the traditional frame structure or row structure system in combination with the "linear" characteristics of the roadbed U-shaped groove along the railway.

[0054] The above embodiments are described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered to limit the implementation scope of the utility model. Any equivalent change and improvement made within the scope of the utility model application shall still belong to the patent coverage of the utility model.

Claims

1. A new type of assembled canopy structure system, comprising a roadbed U-shaped groove canopy prefabricated component, characterized in that: The canopy prefabricated component comprises a prefabricated column (1), a prefabricated beam (2) and a prefabricated double-T plate (3), wherein: The prefabricated column (1) and the prefabricated beam (2) constitute a longitudinal frame, the prefabricated column (1) and the prefabricated double-T plate (3) constitute a transverse row frame, the prefabricated column (1) and the roadbed U-shaped groove are connected through a column foot joint (4), the prefabricated column (1) and the prefabricated beam (2) are connected through a beam-column joint (5), the prefabricated double-T plate (3) and the prefabricated beam (2) are connected through a beam-plate joint (6), and the upper part of the prefabricated double-T plate (3) is formed into a plate joint (7) by pouring concrete.

2. The novel assembled canopy structure system according to claim 1, characterized in that: The roadbed U-shaped groove is a U-shaped groove structure integrally poured by a roadbed body and roadbed retaining walls (14) on both sides, is a reinforced concrete structure continuously arranged along the extension direction of the railway, the thickness of the roadbed retaining wall (14) gradually increases from top to bottom, the longitudinal section is in the shape of a right trapezoid or a similar right trapezoid, and the inclined surface faces outward.

3. The novel assembled canopy structure system according to claim 2, characterized in that: The roadbed body is provided with a cable trench (11) for laying power cables and a track (9) for train (12) passing, and the inner side of the roadbed retaining wall (14) is provided with a contact network (10).

4. The novel assembled canopy structure system according to claim 2, characterized in that: The roadbed U-shaped groove further comprises a roadbed retaining wall (15) arranged outside the roadbed retaining wall (14), and the roadbed retaining wall (15) is a reinforced concrete structure arranged at intervals along the extension direction of the roadbed U-shaped groove, and the shape thereof is adapted to the roadbed retaining wall (14).

5. The novel assembled canopy structure system according to claim 1, characterized in that: The prefabricated column (1) is arranged at intervals along the extension direction of the roadbed U-shaped groove, and the prefabricated beam (2) and the prefabricated double-T plate (3) are arranged along the extension direction of the roadbed U-shaped groove.

6. The novel assembled canopy structure system according to any one of claims 1-5, characterized in that: The prefabricated column (1), the prefabricated beam (2) and the prefabricated double-T plate (3) are all prefabricated components, and the column foot joint (4), the beam-column joint (5), the beam-plate joint (6) and the plate joint (7) are all cast-in-place joints.

7. The novel assembled canopy structure system according to claim 6, characterized in that: The prefabricated column (1) and the roadbed retaining wall (15) are connected through the column foot joint (4), the column foot joint (4) adopts a cup mouth foundation, and then is poured with concrete.

8. The novel assembled canopy structure system according to claim 6, characterized in that: The prefabricated column (1) is further provided with a temporary rigid knee leg (13), the beam-column joint (5) is poured with concrete and is installed and fixed by using the temporary rigid knee leg.

9. The novel assembled canopy structure system according to claim 6, characterized in that: The beam-plate joint (6) is welded and fixed by using a pre-embedded steel plate.

10. The novel assembled canopy structure system according to claim 6, characterized in that: The plate joint (7) is welded and fixed by using a pre-embedded steel plate, and is further strengthened by pouring concrete on the upper part.

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