Fabricated concrete arch rib plate structure system

Abstract

The utility model provides an assembly type concrete arch slab structure system which comprises prefabricated concrete arch rib plates, prefabricated columns and prefabricated beams, a plurality of prefabricated beams are spliced into a frame outline, the prefabricated concrete arch rib plates are placed in the frame outline, and the two longitudinal ends of the prefabricated concrete arch rib plates are supported on the prefabricated beams; the bottom of the frame outline or / and the bottom of the prefabricated concrete arch rib plate supports the prefabricated columns. The prefabricated concrete arch rib is connected with the prefabricated main beam through the connecting piece, connection is simple, convenient and efficient, construction efficiency is improved, an assembly type structure system is adopted to replace an original cast-in-place structure system, engineering quality is improved, the service life is prolonged, and the prefabricated concrete arch rib is environmentally friendly and conforms to the policy of energy conservation and emission reduction. And economic benefits are improved, meanwhile, the structure can be suitable for areas with assembly requirements, the structural performance is good, and a failure mode difficult to predict cannot occur.

Description

Technical Field

[0001] The utility model relates to the field of construction engineering, in particular to an assembled concrete arch plate structure system. Background Art

[0002] With the development of society, the requirements for architectural shapes are getting higher and higher. The traditional concrete frame structure system is difficult to meet the requirements. The larger the span, the higher the net height requirement. The deadweight and frame section of the ordinary concrete structure system will be larger. In addition, the increase of equipment pipelines below will further compress the net height and make the overall structure more bloated.

[0003] With the continuous development of prefabricated construction technology, its advantages such as fast construction speed, safety and reliability, energy saving and environmental protection, and controllable quality have become prominent, especially in large-scale factories in the industrial field. At present, there is little research on prefabricated structural systems for large factories in China. The development of a prefabricated structural system for large spans and heavy loads can meet the requirements of industrial buildings in terms of construction period, quality and cost.

[0004] Therefore, providing a structural system with high-efficiency load-bearing capacity, simple and beautiful shape and meeting architectural requirements has become a technical problem that needs to be solved urgently in this field. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an assembled concrete arch plate structure system. The connection structure has an efficient load-bearing capacity and a simple and beautiful shape and can meet the requirements of assembled buildings. The system includes a plurality of precast concrete arch rib plates, precast columns and precast beams. The two sides of the precast concrete arch rib plates are connected to the precast secondary beams, and the other two sides are connected to the precast main beams through connecting parts to form a support plate. The precast columns are located at the four corners of the support plate. The support plate is supported by the precast columns. The upper and lower precast columns are connected by column longitudinal reinforcement to improve the overall structural strength and stability.

[0006] The utility model achieves the above technical purpose through the following technical means.

[0007] An assembled concrete arch rib plate structure system comprises a precast concrete arch rib plate, a precast column and a precast beam. A frame profile is formed by splicing a plurality of precast beams. The precast concrete arch rib plate is placed in the frame profile, and the longitudinal ends of the precast concrete arch rib plate are supported on the precast beams; the bottom of the frame profile or / and the bottom of the precast concrete arch rib plate support the precast column.

[0008] Furthermore, the precast concrete arch rib plate comprises a top plate, a rib beam and a rib plate;

[0009] The rib beams are arranged at the lower parts of both sides of the top plate in the longitudinal direction, and are used to support the top plate; the rib plate is arranged between the two rib beams, and the rib plate is connected to the top plate and the rib beams;

[0010] A cavity is formed between the top plate, the rib beams and the rib plates; and a plurality of prestressed tendons are embedded in the rib beams.

[0011] Furthermore, the prefabricated arch rib plate also includes a connecting piece, which is pre-buried in the rib beam, connected to the prestressed steel bar and protrudes from the end surface of the rib beam, and is supported on the prefabricated beam.

[0012] Furthermore, a plurality of prestressed tendons are embedded in the rib beam, and the prestressed tendons are connected to the connecting piece.

[0013] Furthermore, the prefabricated beam is provided with a slot corresponding to the connecting piece, and the connecting piece protruding from the end surface of the rib beam is placed in the slot to support the prefabricated concrete arch rib plate.

[0014] Furthermore, an adjustment pad is provided between the bottom of the slot and the connecting piece on the end face of the protruding rib beam, for adjusting the installation height of the precast concrete arch rib plate.

[0015] Furthermore, the prefabricated concrete arch rib plate is provided with a resting notch and / or a resting platform on both longitudinal sides.

[0016] Furthermore, it also includes a prefabricated board, which is placed on the shelf gap and / or the shelf platform.

[0017] Furthermore, the precast concrete arch rib plate is provided with connecting steel bars and cast with an overlapping layer.

[0018] Furthermore, the prefabricated column may be provided with a pile cap to eliminate pile position deviation.

[0019] Furthermore, the rib is an arc-shaped arch rib or an inclined flat plate.

[0020] Furthermore, the cavity is triangular in shape, the edges and corners of the cavity are in arc transition, and one side of the cavity is consistent with the curvature or slope of the rib.

[0021] Furthermore, the rib height h, the top plate width s, when When the ribs on both sides of the top plate are connected, the other ends thereof intersect and form a smooth transition surface.

[0022] The beneficial effects of the utility model are:

[0023] 1. The assembled concrete arch slab structural system described in the utility model adopts an assembled structural system to replace the original cast-in-place structural system, which is beneficial to improving the quality of the project, extending the service life, being green and environmentally friendly, complying with the energy-saving and emission reduction policy, making the construction site civilized and tidy, and improving economic benefits.

[0024] 2. The assembled concrete arch slab structural system described in the utility model adopts connectors to connect the precast concrete arch ribs to the precast main beams, which is simple and efficient, thereby improving construction efficiency.

[0025] 3. The assembled concrete arch slab structural system described in the utility model can be applied to areas with assembly requirements, and at the same time has good structural performance and will not have unpredictable failure modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. The drawings described below are some embodiments of the utility model. For ordinary technicians in this field, it is obvious that other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 This is a schematic diagram of the connection structure of the assembled prefabricated concrete parts of the utility model;

[0028] Figure 2 This is a schematic diagram of the prefabricated concrete arch rib slab described in the utility model;

[0029] Figure 3 This is a left view of the prefabricated concrete arch rib plate of the utility model;

[0030] Figure 4 This is a schematic diagram of the smooth transition surface of the utility model;

[0031] Figure 5 This is a schematic diagram of the prefabricated beam slot of the utility model;

[0032] Figure 6 This is a schematic diagram of the structure of the connection part of the utility model;

[0033] Figure 7 It is a left view of the precast concrete arch rib plate with a shelf notch according to the utility model;

[0034] Figure 8 It is a left view of the precast concrete arch rib slab with a shelf according to the utility model;

[0035] Fig. 9 This is a schematic diagram of the second connection structure of the assembled prefabricated concrete parts of the utility model (prefabricated columns and prefabricated beams are omitted);

[0036] In the figure:

[0037] 1-top plate, 2-rib beam, 3-rib plate, 4-connector, 5-cavity, 6-prestressed tendons, 7-precast column, 8-precast beam, 9-slot, 10-adjustment pad, 11-precast concrete slab, 12-angle steel, 13-shear reinforcement. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0039] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] like Figure 1As shown, an assembled precast concrete component connection structure includes a precast concrete arch rib plate, a precast column 7 and a plurality of precast beams 8. The plurality of precast beams 8 are spliced ​​into a frame outline. The precast concrete arch rib plate is placed in the frame outline, and connectors 4 are provided at both ends of the precast concrete arch rib plate. The precast beam 8 is provided with a clamping groove 9 corresponding to the connector 4. The precast concrete arch rib plate is connected to the precast beam 8 by clamping the connector 4 with the clamping groove 9. Bolts can be arranged in the clamping groove 9 to fix the connector 4 with the clamping groove 9 to avoid loosening between the precast concrete arch rib plate and the precast beam 8 due to loose clamping between the clamping groove 9 and the connector 4. Concrete can also be backfilled at the clamping groove 9 to fix the precast concrete arch rib plate and the precast beam 8 into an integral structure to ensure that the precast concrete arch rib plate and the precast beam 8 will not loosen during use, thereby ensuring a safe and stable working environment. Figure 5 As shown, an adjusting pad 10 is further provided in the slot 9 of the precast beam 8, the bottom of the adjusting pad 10 is attached to the horizontal plane of the slot 9, and the top is in contact with the bottom surface of the connector 4. When there is a height difference between the precast beam 8 and the top plate 1 of the precast arch rib plate, the height of the precast arch rib plate can be adjusted by adjusting the pad 10 to eliminate the height difference between the top plate 1 and the surface of the precast beam 8, so as to ensure that the top plate 1 is flush with the upper surface of the precast beam 8, and ensure that the overall structure can maintain balance;

[0042] The adjacent precast concrete arch ribs are in surface contact, and the bottom of the frame profile and / or the bottom of the precast concrete arch rib support the precast column 7, which is a cast-in-place column, a reinforced concrete column or a precast concrete column; the precast column 7 can be provided with a pile cap according to actual needs to prevent the precast pile 7 from having a pile position deviation with the pile foundation or the lower structure of the precast pile 7, which leads to instability of the overall structure. The pile cap can effectively eliminate the pile position deviation, ensure the stability of the overall structure, and further ensure the safety and reliability of the prefabricated precast concrete connection structure during use. Figure 2 As shown, the precast concrete arch rib plate includes a top plate 1, a rib beam 2 and a rib plate 3. The top plate 1 is a flat plate. According to different use requirements, the top plate 1 can be prefabricated in a laminated manner or in a fully prefabricated manner. When the laminated manner is prefabricated, a laminated layer can be cast on the surface of the top plate 1 to make the overall structure better; when the fully prefabricated form is adopted, the amount of on-site casting can be reduced, thereby improving the construction efficiency; rib beams 2 arranged vertically to the top plate 1 are provided on both sides of the top plate 1, and rib plates 3 are respectively provided on the inner sides of the rib beams 2 on both sides. The rib plates 3 can be arc-shaped plates or other special-shaped plates, one end of the rib plate 3 is connected to the lower plate surface of the top plate 1, and the other end of the rib plate 3 is connected to the beam body of the rib beam 2 on one side. The other end of the rib plate 3 can be connected to the bottom of the beam body of the rib beam 2, or it can be connected to the middle position of the beam body of the rib beam 2, which is determined by the strength and size of its support.

[0043] The lower plate surface of the top plate 1 between the left rib plate and the right rib plate can be an arc-shaped surface or a flat plate surface, such as Figure 3 As shown, the height of the rib beam 2 is kept unchanged. When the ratio of the height h of the rib beam 2 to the width s of the top plate 1 is When , there is a certain distance between the other end of the left rib and the other end of the right rib; Figure 4 As shown, when the ratio of the rib beam 2 height h to the top plate 1 width s , the other end of the left rib plate intersects with the other end of the right rib plate to form a smooth transition surface; the rib beam 2 and the rib plate 3 are used to support the top plate 1. Under the support of the rib beam 2 and the rib plate 3, the length of the prefabricated arch rib plate top plate 1 can be increased, and the lateral span of the prefabricated arch rib plate can be increased, thereby increasing the size of the component, reducing the number of hoisting times during the installation process, and improving work efficiency; under the joint support of the rib beam 2 and the rib plate 3, the torsion problem caused by the concentrated load placement at the flange of the traditional double T plate can be eliminated, so that the force of the arch rib plate structure is more reasonable and more stable.

[0044] A left cavity is provided between the top plate 1, the left rib beam and the left rib plate, and a right cavity is provided between the top plate 1, the right rib beam and the right rib plate. The cavity 5 is triangular in shape. On the one hand, when the bearing capacity of the precast concrete arch rib plate reaches the construction requirement, the triangular cavity can save materials and reduce the deadweight of the precast concrete arch rib plate. On the other hand, the complex equipment pipelines can be hidden in the cavity 5 to achieve the overall beauty and neatness. At the same time, the triangular structure has good deformation resistance and can maintain the integrity of the structure when subjected to external impact and external load to avoid deformation or damage. The three corners of the cavity 5 are all made of arc transition, which is not easy to be bumped and damaged during construction. The longest side of the cavity 5 is an arc side, and the curvature of the arc side is consistent with the curvature of the rib plate 3, so that the precast arch rib plate is more evenly stressed. The construction of the cavity 5 can be carried out in a variety of forms, such as airbag cavity, filling cavity or core-pulling cavity, etc. The specific construction method can be selected according to actual conditions and actual needs.

[0045] like Figure 3 As shown, Figure 3This is the left view of the precast concrete arch rib plate described in the utility model. The precast concrete arch rib plate has a left-right symmetrical structure. Connectors 4 are embedded in the upper part of the rib beams on both sides. The connectors 4 can be profiles or spliced ​​structural members, such as I-beams or spliced ​​H-beams. The two ends of the connectors 4 protrude a certain distance from the rib beams 2, and are used to connect with the base or support body. The connectors 4 can also be used to connect the arch rib plate with other components. In the utility model, the precast main beam 8 is provided with a slot 9 corresponding to the connector 4. The precast main beam 8 and the arch rib plate are connected by the connector 4 and the slot 9 to form an integral force-bearing structure. The use of the connector 4 can make the connection simple and efficient, and improve the construction efficiency. A number of prestressed ribs 6 are provided on the rib beams on both sides. The prestressed ribs 6 improve the bearing capacity and earthquake resistance of the precast concrete arch rib plate, and can also improve the durability of the precast concrete arch rib plate, making the precast concrete arch rib plate structure more stable and reliable.

[0046] The prestressed tendons 6 are also connected to the connector 4 through a shear member to strengthen the load resistance of the connector 4 and further improve the overall structural strength and stability. Figure 6 As shown, the upper prestressed tendons 6 are connected to the connecting member 4 , a shear-resistant angle steel 12 is provided at the lower end of the connecting member 4 , and the lower prestressed tendons 6 are connected to the connecting member 4 via shear-resistant steel bars 13 .

[0047] Embodiment 1:

[0048] like Figure 1 and Figure 2 As shown, the prefabricated precast concrete member connection structure described in the utility model can use precast concrete arch rib plates to form a frame structure system, and the construction process is as follows:

[0049] First, the precast column 7 is hoisted and constructed. The precast column 7 is connected to the pile foundation or the lower component by a grouting sleeve or a corrugated pipe. After the construction of the precast column 7 is completed, a temporary support is set. In order to ensure the stability of the assembled precast concrete component connection structure, a pile cap can be set to eliminate the pile position deviation between the precast column 7 and the pile foundation or the lower component; then, a precast frame outline is prefabricated according to actual construction requirements, and a plurality of precast beams 8 are spliced ​​to form a frame outline. The precast concrete arch rib plate is hoisted into the frame outline, and the connector 4 of the precast concrete arch rib plate is clamped with the clamping groove 9 of the precast beam 8. The clamping joint is fixedly connected by bolts or backfilled with concrete, so that the precast beam 8 and the precast concrete arch rib plate are connected as a whole. Figure 5As shown, an adjusting pad 10 is further provided in the slot 9 of the precast beam 8, the bottom of the adjusting pad 10 is attached to the horizontal plane of the slot 9, and the top is in contact with the bottom surface of the connector 4. When there is a height difference between the precast beam 8 and the top plate 1 of the precast arch rib plate, the height of the precast arch rib plate can be adjusted by adjusting the pad 10 to eliminate the height difference between the top plate 1 and the surface of the precast beam 8, so as to ensure that the top plate 1 is flush with the upper surface of the precast beam 8, and ensure that the overall structure can maintain balance; equipment pipelines can be arranged in the cavity 5 of the precast concrete arch rib plate, and adjacent precast concrete arch rib plates are in surface contact. A groove can be reserved at the joint, and concrete is filled in the groove to fill the joint with concrete. , the concrete surface is flush with the surface of the top plate 1, and a layer of glass fiber mesh is laid on the overall surface to improve the alkali resistance and flexibility of the overall surface, and then self-leveling concrete is used above the glass fiber mesh to level it, so that the overall surface formed by the splicing of several precast concrete arch rib panels is a flat horizontal plane; finally, the precast frame structure is hoisted above the precast column 7, and concrete is poured to form an integral structure with the precast frame and the precast column 7. At this point, a single precast concrete arch rib panel frame structure is completed, and the above construction process is repeated. Adjacent precast concrete arch rib panel frame structures are fixedly connected by filling concrete to complete a complete precast concrete arch rib panel frame structure system.

[0050] Example 2

[0051] like Figure 7 , 8 As shown in Figure 9, different from the first embodiment, a concrete slab 11 can be arranged between adjacent precast concrete arch ribs, and the concrete slab 11 is overlapped on the shelf platforms or shelf gaps on both sides of the precast concrete arch ribs to adapt to prefabricated factories or warehouses of different widths.

[0052] It should be understood that although this specification is described according to various embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0053] The series of detailed descriptions listed above are only specific descriptions of feasible embodiments of the present invention. They are not intended to limit the protection scope of the present invention. All equivalent embodiments or changes that do not deviate from the technical spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled concrete arch rib plate structural system, characterized in that: The invention comprises a precast concrete arch rib plate, a precast column (7) and a precast beam (8), wherein a frame profile is formed by splicing a plurality of precast beams (8), the precast concrete arch rib plate is placed in the frame profile, and the longitudinal ends of the precast concrete arch rib plate are supported on the precast beams (8); the bottom of the frame profile or / and the bottom of the precast concrete arch rib plate support the precast column (7).

2. The concrete arch slab structural system according to claim 1, characterized in that: The prefabricated concrete arch rib plate comprises a top plate (1), a rib beam (2) and a rib plate (3); The rib beams (2) are arranged at the lower parts of both sides of the top plate (1) in the longitudinal direction, and are used to support the top plate (1); the rib plate (3) is arranged between the two rib beams (2), and the rib plate (3) is connected to the top plate (1) and the rib beams (2); A cavity (5) is formed between the top plate (1), the rib beam (2) and the rib plate (3); and a plurality of prestressed tendons (6) are embedded in the rib beam (2).

3. The concrete arch slab structural system according to claim 2, characterized in that: The prefabricated arch rib plate also includes a connecting piece (4), which is pre-buried in the rib beam (2), connected to the prestressed steel bar (6) and protrudes from the end surface of the rib beam (2), and supported on the prefabricated beam (8).

4. The concrete arch slab structural system according to claim 3, characterized in that: The prefabricated beam is provided with a slot (9) corresponding to the connecting piece (4), and the connecting piece (4) protruding from the end surface of the rib beam (2) is placed in the slot (9) for supporting the prefabricated concrete arch rib plate.

5. The assembled concrete connection structure according to claim 4, characterized in that: An adjustment pad (10) is provided between the bottom of the clamping groove (9) and the connecting piece (4) on the end surface of the protruding rib beam (2) for adjusting the installation height of the precast concrete arch rib plate.

6. The assembled concrete arch slab structure system according to claim 1, characterized in that: The longitudinal sides of the prefabricated concrete arch rib plate are provided with a resting notch (21) and / or a resting platform (22).

7. The assembled concrete arch slab structure system according to claim 1, characterized in that: It also includes a prefabricated board (11), which is placed on the placement gap (21) and / or the placement platform (22).

8. The assembled concrete arch slab structure system according to claim 2 or 7, characterized in that: The precast concrete arch rib plate is provided with connecting steel bars and cast with overlapping layers.

9. The assembled concrete arch slab structure system according to claim 1, characterized in that: The prefabricated column (7) may be provided with a pile cap to eliminate pile position deviation.

10. The assembled concrete arch slab structure system according to claim 2, characterized in that: The rib plate (3) is an arc-shaped arch rib or an inclined flat plate.

11. The assembled concrete arch slab structure system according to claim 2, characterized in that: The cavity (5) is triangular in shape, the edges and corners of the cavity (5) are in arc transition, and one side of the cavity (5) has the same arc or slope as the rib plate (3).

12. The assembled concrete arch slab structure system according to claim 2, characterized in that: The rib beam (2) has a height h and the top plate (1) has a width s. When the top plate (1) is connected to the ribs (3), the other ends of the ribs (3) on both sides of the top plate (1) intersect and form a smooth transition surface.

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