A reinforced concrete column ring plate joint processing method and structure

Abstract

The application discloses a reinforced concrete column ring plate joint processing method, which comprises the following steps: performing beveling treatment on a ring plate; according to the relative position relationship between beam reinforcement and the ring plate, a group of reserved reinforcement assemblies are welded with the ring plate to form a ring plate joint assembly; before hoisting the ring plate, according to the position relationship between the ring plate and a steel pipe stand column in a drawing, a group of positioning support triangular steel plate assemblies are welded on the outer wall of the steel pipe stand column; the ring plate joint assembly is hoisted to pass through the upper end of the steel pipe stand column, and is rotated to a required position according to the relative position relationship between the reserved reinforcement assembly and a beam formwork which has been installed on a construction site, and is welded and fixed with the steel pipe stand column after falling on the positioning support triangular steel plate assembly; all the ring plates are installed layer by layer from bottom to top in sequence until all the ring plates are installed; the reserved reinforcement assembly is combined with the ring plate into a whole in a processing factory, and then the whole is installed, so that the construction progress is greatly accelerated; and the ring plate is avoided from being assembled in blocks to generate multiple welds, and the construction quality of the joint is ensured.

Description

Technical Field

[0001] This invention relates to the field of reinforced concrete column-ring plate connection technology, specifically to a method for processing reinforced concrete column-ring plate joints that is easy to construct, and the reinforced concrete column-ring plate joint structure obtained by the processing method. Background Technology

[0002] In existing technologies, conventional multi-layer ultra-thick ring plate joints for steel-concrete composite columns face challenges during construction. Due to the weight of the ultra-thick ring plate, it is often divided into 4-6 smaller pieces at the processing plant before construction to ensure that two people can lift it during construction. These pieces are then assembled layer by layer on-site from bottom to top. After the multi-layer ring plate assembly and welding are completed, the beam and slab reinforcement is tied. The beam reinforcement is welded to the ring plate, and the welding and tying of the beam reinforcement are carried out simultaneously but interfere with each other. Furthermore, the increased number of welds on-site due to the segmented ring plate, coupled with the ultra-thickness of the ring plate itself, makes welding difficult and results in a very long on-site welding time. At the same time, it is difficult to guarantee the welding quality, which deteriorates the overall integrity of the joint.

[0003] In summary, a method for processing reinforced concrete column-ring slab joints that is convenient to construct and has good overall performance is provided, as well as a reinforced concrete column-ring slab joint structure obtained based on this method. Summary of the Invention

[0004] Therefore, the present invention provides a reinforced concrete column-ring slab joint structure, and in particular a reinforced concrete column-ring slab joint processing method that is easy to construct and has good overall performance, so as to ensure construction efficiency and construction quality on the construction site; at the same time, it provides a reinforced concrete column-ring slab joint structure obtained according to the processing method.

[0005] This invention discloses a method for processing reinforced concrete column-ring plate joints.

[0006] The ring plate is beveled according to the specifications.

[0007] According to the relative positional relationship between the beam reinforcement and the ring plate in the construction drawings, a set of reserved reinforcement components are welded to the ring plate to form a ring plate node component;

[0008] Before hoisting the ring plate, according to the positional relationship between the ring plate and the steel pipe column as shown in the drawings, a set of positioning support triangular steel plate components are welded to the outer wall of the steel pipe column;

[0009] The ring plate node assembly is hoisted and inserted into the upper end of the steel pipe column. It is then rotated to the required position according to the relative position of the reserved steel reinforcement assembly and the beam formwork already installed on the construction site. After being placed on the positioning support triangular steel plate assembly, it is welded and fixed to the steel pipe column. The assembly is then installed layer by layer from bottom to top until all ring plates are installed.

[0010] When the distance between two adjacent ring plates is less than 10 cm, vertical positioning support assemblies are evenly welded on the lower ring plates before the upper ring plates are hoisted.

[0011] Before the ring plates are hoisted, a plurality of pouring holes are evenly arranged on the ring plates in a radial direction, and lifting lugs facilitating transportation and installation are arranged on the ring plates; the diameter of the pouring holes is not less than 4 cm, and the distance between the pouring holes is set according to the requirement of concrete density during pouring.

[0012] During welding, the reserved steel bar assemblies are first threaded and the joints are staggered, and the joint staggering rate and distance meet the construction requirements; before the ring plates are hoisted, the reserved steel bar assemblies are provided with protective caps.

[0013] Before the ring plates are hoisted, three steel bars are arranged at the upper end of the steel pipe column to form a guider for guiding the ring plates into the steel pipe column during hoisting.

[0014] A reinforced concrete column ring plate joint structure includes a steel pipe column, at least one layer of ring plates, and a positioning support structure, and further includes at least one group of reserved steel bar assemblies welded integrally with the ring plates; the support structure includes at least one group of positioning support triangular steel plate assemblies welded on the outer wall of the steel pipe column, and the ring plates are welded and fixed to the outer wall of the steel pipe column after being passed through the steel pipe column and turned to a position required by construction; when the distance between two adjacent ring plates is less than 10 cm, the support structure further includes a vertical positioning support assembly arranged between the two adjacent ring plates.

[0015] A group of the reserved steel bar assemblies includes a plurality of reserved steel bars that have been threaded, and the outer ends of the reserved steel bars are provided with protective caps.

[0016] A group of the positioning support triangular steel plate assemblies includes at least three positioning support triangular steel plates, and the positioning support triangular steel plates are right-angled triangular; the vertical positioning support assembly includes at least three vertical positioning support columns, and the upper and lower end faces of the vertical positioning support columns are flat end faces.

[0017] A plurality of pouring holes are evenly arranged on the ring plates in a radial direction, and the diameter of the pouring holes is not less than 4 cm; the ring plates are provided with lifting lugs facilitating transportation and installation.

[0018] The reserved steel bar assemblies, the ring plates, and the outer wall of the steel pipe column are all welded and fixed by carbon dioxide shielded welding.

[0019] The technical scheme of the present application has at least the following beneficial effects:

[0020] The application first welds the reserved steel bar assembly and the ring plate into an integral body, and specifically, a group of positioning support triangular steel plate assemblies are welded on the outer wall of the steel pipe stand according to the position of the ring plate in the drawing, then the ring plate is hoisted through the steel pipe stand, and is adjusted to the required position under the support of the positioning support triangular steel plate assembly, and is welded with the outer wall of the steel pipe stand; the application combines the reserved steel bar assembly and the ring plate into an integral body in the processing factory, and then installs the integral body, which greatly accelerates the construction progress, and avoids multiple welds caused by the block assembly of the ring plate, so as to ensure the construction quality of the node.

[0021] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0023] Figure 1 The hoisting schematic diagram of the present application;

[0024] Figure 2 The top view schematic diagram of the present application;

[0025] Figure 3 The sectional view of A-A of Figure 2

[0026] Explanation of reference signs:

[0027] 1-ring plate, 2-reserved steel bar, 3-positioning support triangular steel plate, 4-vertical positioning support column, 5-steel pipe stand, 6-pouring hole, 7-lifting lug, 8-lifting steel wire, 9-guide. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0029] ​In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] Example 1

[0032] This embodiment discloses a method for processing reinforced concrete column-ring slab joints.

[0033] According to the specifications, the ring plate 1 should be beveled.

[0034] According to the relative positional relationship between the beam reinforcement and the ring plate in the construction drawings, a set of reserved reinforcement components are welded to the ring plate to form a ring plate node component;

[0035] Before hoisting the ring plate 1, according to the positional relationship between the ring plate 1 and the steel pipe column 5 in the drawings, a set of positioning support triangular steel plate components are welded to the outer wall of the steel pipe column 5.

[0036] The ring plate node assembly is hoisted and inserted through the upper end of the steel pipe column 5. Based on the relative position of the reserved reinforcing bar assembly and the pre-installed beam formwork on the construction site, it is rotated to the required position and placed on the positioning support triangular steel plate assembly. Then, it is welded and fixed to the steel pipe column 5. This process is repeated layer by layer from bottom to top until all ring plates 1 are installed. In a preferred embodiment, the reserved reinforcing bar assembly and the ring plate 1, as well as the ring plate 1 and the outer wall of the steel pipe column 5, are all welded and fixed using carbon dioxide shielded welding to ensure the welding quality at the joints. Simultaneously, flaw detection is performed after welding, and all welds must meet the requirements for Class I welds.

[0037] like Figure 1As shown, in the present embodiment, during the processing, the reserved steel bars 2 and the super-thick ring plates 1 are first welded into an integral node assembly according to the relative position relationship between the beam steel bars and the super-thick ring plates in the drawing in the processing factory, which becomes a node assembly that can be directly installed, and is transported to the site to be completed by a crane or a tower crane; before hoisting, the position of the ring plate 1 is marked on the steel pipe column 5 from the lowest layer, and then three to four positioning support triangular steel plates 3 are evenly welded on the determined position of the ring plate 1 along the outer wall of the steel pipe column 5, the ring plate assembly is slid along the outer wall of the steel pipe column 5 by a crane or a tower crane, and before landing, the ring plate 1 is rotated, and the relative horizontal position of the welded reserved steel bar 2 and the formwork is taken as a standard, and after the specified position is reached, the landing fine adjustment is performed, and then welding and fixing are performed, and the installation is sequentially installed from bottom to top layer by layer, which greatly realizes orderly and efficient installation.

[0038] Further, when the spacing between the two adjacent ring plates 1 is less than 10 cm, then a vertical positioning support assembly is evenly welded on the lower ring plate 1 in the relative position relationship before the upper ring plate 1 in the relative position relationship is hoisted, so as to avoid contact or impact between the two adjacent ring plates 1.

[0039] Before the ring plate 1 is hoisted, a plurality of pouring holes 6 are evenly distributed radially on the ring plate 1, and lifting lugs 7 are arranged on the ring plate 1 to facilitate transportation and installation; the diameter of the pouring hole 6 is not less than 4 cm, and the spacing between the pouring holes 6 is set according to the concrete density requirement during concrete pouring.

[0040] During welding, the reserved steel bar assembly is first rolled and the joints are staggered, and the joint staggering rate and distance meet the construction requirements; before the ring plate 1 is hoisted, the reserved steel bar assembly is provided with a protective cap.

[0041] Before the ring plate 1 is hoisted, three steel bars are installed at the upper end of the steel pipe column 5 to form a guider 9 for guiding the ring plate 1 into the steel pipe column 5 during hoisting.

[0042] Specifically, the outer diameter of the steel pipe column 5 is determined according to the specific construction drawing, assuming that the outer diameter of the steel pipe column 5 is R0, preferably R0 is 1.1 m, the inner diameter of the ring plate 1 is R0+9 mm, the outer diameter is determined according to the specific construction drawing, assuming that the outer diameter of the ring plate 1 is R1, and the thickness of the ring plate 1 is h (h>4 cm, that is, the ring plate 1 is designed as an ultra-thick ring plate), wherein the inner edge of the ring plate 1 is punched with a single V-shaped groove, the ring plate 1 is provided with pouring holes 6 around and three lifting lugs 7 are welded on the ring plate 1, the pouring holes 6 are arranged along the radius (R0+R1) / 2, and the spacing is 50 cm; the diameter of the reserved steel bar 2 is d, the welding length of the reserved steel bar 2 on the ring plate 1 is 10d, and the length of the reserved steel bar 2 is preferably divided into two types, such as 10d+50 cm and 10d+50 cm+35d; the relative position of the reserved steel bar 2 and the ring plate 1 is determined according to the drawing, the reserved steel bar 2 is welded on the ring plate 1 to form a ring plate node assembly.

[0043] Then, the ring plate node assembly is transported to the construction site, the position of the ring plate 1 is first determined on the outer wall of the steel pipe column 5, and then four positioning support triangular steel plates 3 with a size of 6 cm×8 cm×10 cm are uniformly welded on the lower edge of the ring plate 1 along the outer wall of the steel pipe column 5, the positioning support triangular steel plates 3 are welded on the outer wall of the steel pipe column 5 with a side length of 6 cm, the ring plate node assembly is hoisted by a crane or a tower crane on the construction site, a guide 9 composed of three steel bars with a diameter of 20 mm is installed above the steel pipe column 5, the ring plate node assembly directly slides along the guide 9 under the action of the hoisting wire 8, and the ring plate node assembly is not positioned when it slides to the upper side of the positioning support triangular steel plate 3, the ring plate 1 is slightly adjusted and rotated according to the relative position of the reserved steel bar 2 and the installed beam formwork, and then it is positioned and welded and fixed after confirmation, each layer of ring plate node assembly is installed from the bottom to the top according to the above steps, forming a steel pipe concrete column multi-layer ultra-thick ring plate node which can be quickly constructed, greatly speeding up the node construction speed.

[0044] Example 2

[0045] As shown in Figure 2 and 3 based on example 1, the present embodiment further provides a reinforced concrete column ring plate node structure, which comprises a steel pipe column 5, at least one ring plate 1, and a positioning support structure, and further comprises at least one group of reserved steel bar assemblies welded integrally with the ring plate 1; the support structure comprises at least one group of positioning support triangular steel plate assemblies welded on the outer wall of the steel pipe column 5, the ring plate 1 passes through the steel pipe column 5 and turns to the position required by construction, and is welded and fixed with the outer wall of the steel pipe column 5; when the spacing between adjacent two ring plates 1 is less than 10 cm, the support structure further comprises a vertical positioning support assembly arranged between the adjacent two ring plates 1.

[0046] Meanwhile, a plurality of pouring holes 6 are arranged on the ring plate 1 in a radial direction, and the diameter of the pouring holes 6 is not less than 4 cm; the ring plate 1 is provided with lifting lugs 7 for facilitating transportation and installation; and the reserved steel bar assembly, the ring plate 1 and the outer wall of the steel pipe column 5 are all welded and fixed by carbon dioxide shielded welding to ensure the welding quality of the connection. Meanwhile, after welding, the detection of defects is carried out, and the welding seams all meet the requirements of first-class welding seams.

[0047] In the embodiment, the reserved steel bar assembly and the ring plate 1 are first welded into an integral whole, and in the specific construction, a group of positioning support triangular steel plate assemblies are first welded on the outer wall of the steel pipe column 5 according to the position of the ring plate 1 in the drawing, and then the ring plate 1 is hoisted to pass through the steel pipe column 5 and is adjusted to the required position under the support of the positioning support triangular steel plate assemblies and is welded with the outer wall of the steel pipe column 5. In the early stage, the reserved steel bar assembly and the ring plate 1 are combined into an integral whole in the processing factory, and after being transported to the site, the integral installation is carried out, which greatly accelerates the construction progress, and at the same time, avoids the ring plate 1 being assembled in blocks to generate multiple welding seams, thereby ensuring the construction quality of the node. The reinforced concrete column ring plate node structure of the embodiment is particularly suitable for the node connection between a large-diameter steel pipe column and a super-thick ring plate.

[0048] Among them, a group of the reserved steel bar assemblies include a plurality of reserved steel bars 2 that have been rolled, and the outer end of the reserved steel bar 2 is provided with a protective cap.

[0049] Further, a group of the positioning support triangular steel plate assemblies include at least three positioning support triangular steel plates 3, and the positioning support triangular steel plate 3 is a right-angled triangle; and the vertical positioning support assembly includes at least three vertical positioning support columns 4, and the upper and lower end faces of the vertical positioning support column 4 are flat end faces to achieve a stable support effect.

[0050] Obviously, the above embodiments are only examples for clearly illustrating, and are not a limitation on the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments need not and cannot be exhausted. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A method for processing reinforced concrete column-ring slab joints, characterized in that, Reinforced concrete column-ring slab joint structure, including: Steel pipe column (5), at least one layer of ring plate (1), and positioning support structure; It also includes at least one set of reserved steel reinforcement components welded together with the ring plate (1); The support structure includes at least one set of positioning support triangular steel plate assemblies welded to the outer wall of the steel pipe column (5). The ring plate (1) passes through the steel pipe column (5) and rotates to the required construction position before being welded and fixed to the outer wall of the steel pipe column (5). When the distance between two adjacent ring plates (1) is less than 10cm, the support structure also includes a vertical positioning support assembly set between two adjacent ring plates (1). A set of the reserved steel bar assembly includes several pre-threaded reserved steel bars (2), the outer ends of which are fitted with protective caps; A set of the positioning support triangular steel plate assembly includes at least three positioning support triangular steel plates (3), the positioning support triangular steel plates (3) being right triangles; the vertical positioning support assembly includes at least three vertical positioning support columns (4), the upper and lower end faces of the vertical positioning support columns (4) being flat end faces; The ring plate (1) is provided with a plurality of radially evenly distributed casting holes (6), the diameter of the casting holes (6) is not less than 4cm; the ring plate (1) is provided with lifting lugs (7) for easy transportation and installation. The reserved steel bar assembly and the outer wall of the ring plate (1), and the ring plate (1) and the outer wall of the steel pipe column (5) are all welded and fixed by carbon dioxide shielded welding; The specific processing method is as follows: According to the specifications, the ring plate (1) is beveled. According to the relative positional relationship between the beam reinforcement and the ring plate (1) in the construction drawings, a set of reserved reinforcement components are welded to the ring plate (1) to form a ring plate node component; Before hoisting the ring plate (1), according to the positional relationship between the ring plate (1) and the steel pipe column (5) in the drawings, a set of positioning support triangular steel plate components are welded to the outer wall of the steel pipe column (5); The ring plate node assembly is hoisted from the upper end of the steel pipe column (5) and rotated to the required position according to the relative position relationship between the reserved steel reinforcement assembly and the beam formwork already installed on the construction site. After landing on the positioning support triangular steel plate assembly, it is welded and fixed to the steel pipe column (5). The assembly is installed layer by layer from bottom to top until all ring plates (1) are installed.

2. The method for processing reinforced concrete column-ring slab joints according to claim 1, characterized in that, When the distance between two adjacent ring plates (1) is less than 10cm, before the upper ring plate (1) which is located above in relative position is hoisted, vertical positioning support components are evenly welded on the lower ring plate (1) which is located below in relative position.

3. The method for processing reinforced concrete column-ring slab joints according to claim 1, characterized in that, Before hoisting the ring plate (1), several radially evenly distributed casting holes (6) are opened on the ring plate (1), and lifting lugs (7) are set on the ring plate (1) to facilitate transportation and installation; the diameter of the casting holes (6) is not less than 4cm, and the spacing between the casting holes (6) is set according to the concrete density requirements during concrete pouring.

4. The method for processing reinforced concrete column-ring slab joints according to claim 1, characterized in that, During welding, the reserved steel bar assembly is first rolled with thread and the joints are staggered. The joint staggering rate and staggering distance meet the construction requirements. Before the ring plate (1) is hoisted, the reserved steel bar assembly is fitted with a protective cap.

5. The method for processing reinforced concrete column-ring slab joints according to claim 1, characterized in that, Before the ring plate (1) is hoisted, three steel bars are installed at the upper end of the steel pipe column (5) to form a guide (9) to guide the ring plate (1) to pass through the steel pipe column (5) during hoisting.

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