Inorganic glue composite bamboo-wood structure beam column joint and manufacturing and connecting method

By using sleeve welding to connect beam-column joints in inorganic adhesive composite bamboo and wood structures, the problems of beam-column joint damage and complex processes are eliminated, thus achieving stable connections and simplifying construction.

CN120968094APending Publication Date: 2025-11-18SHANDONG JIANZHU UNIV
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Patent Information

Application Number
CN202511436175.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-09
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

The existing method of embedding steel plates and drilling holes to install bolts at the beam-column joints of inorganic adhesive composite bamboo and wood structures leads to damage to the beam-column joints and weakening of the cross-section. In addition, the manufacturing process is complicated and easily causes the bamboo to split.

Method used

The precast columns and beams are fitted with column sleeves and beam sleeves at both ends and fixedly connected by welding, eliminating the need for cutting and drilling. The mold positioning sleeves are installed simultaneously during the forming process, simplifying the manufacturing process. Components with different cross-sectional sizes are connected through intermediate node sleeves.

Benefits of technology

This avoids damage and cross-sectional weakening of beam-column joints, reduces fabrication difficulty, enhances the flexibility and applicability of node connections, and improves construction efficiency and overall connection stability.

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Abstract

The invention discloses an inorganic glue composite bamboo-wood structure beam-column joint and a manufacturing and connecting method, and belongs to the technical field of constructional engineering. The inorganic glue composite bamboo-wood structure beam-column joint comprises a prefabricated column and a prefabricated beam, the two ends of the prefabricated column are each sleeved with a column sleeve, and the column sleeves and the ends of the prefabricated column are bonded and fixed together; the two ends of the prefabricated beam are each sleeved with one beam sleeve, the beam sleeves and the ends of the prefabricated beam are bonded and fixed together, the prefabricated column and the prefabricated beam are connected through the column sleeves and the beam sleeves, the column sleeves and the beam sleeves are fixed in a welded mode, and notching and a large amount of drilling operation do not need to be conducted at beam-column joints. Damage and section weakening of beam column joints are avoided, the column sleeve and the beam sleeve are fixed to the prefabricated beam column through bonding, a complex pre-burying process is not needed, and the operation difficulty of component manufacturing is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering, in particular to an inorganic glue composite bamboo-wood structural beam-column joint, manufacturing and connecting method. BACKGROUND

[0002] Bamboo and wood are unique in all building materials that can naturally grow, in line with the sustainable development of environmentally friendly green materials. Inorganic glue composite bamboo is a new type of green building material, which takes bamboo as the base body and connects the bamboo fiber components through inorganic adhesive.

[0003] The existing inorganic glue composite bamboo-wood structural beam-column joint (such as CN116517116A) usually embeds a steel plate at the beam-column joint to improve the firmness and stability of the beam-column joint connection, and drills holes in the beam-column joint for the installation of bolts. The steel plate in the joint cooperates with the use of bolts to achieve fixed connection of the beam-column joint.

[0004] However, the existing method of embedding a steel plate at the beam-column joint requires cutting a notch in the beam-column joint within a certain depth range for the installation of the steel plate. The cutting and a large number of drilling operations can cause damage and cross-section weakening of the beam-column joint, and the bamboo is prone to splitting after the beam-column component is loaded. The method of embedding a steel plate / connection steel bar in the beam-column joint cancels the notch, but still involves drilling and installing bolts, and the component manufacturing process of the embedded steel plate is complex and difficult to operate. SUMMARY

[0005] To solve the technical problem that the existing beam-column joint adopts the method of embedding a steel plate and drilling and installing bolts to achieve fixed connection, which can cause damage and cross-section weakening of the beam-column joint, and the bamboo is prone to splitting after the beam-column component is loaded, the present application provides an inorganic glue composite bamboo-wood structural beam-column joint, manufacturing and connecting method.

[0006] The technical scheme of the present application is as follows: The present application provides an inorganic glue composite bamboo-wood structural beam-column joint, which comprises a prefabricated column and a prefabricated beam. Each end of the prefabricated column is provided with a column sleeve, and the column sleeve is bonded and fixed with the end of the prefabricated column. Each end of the prefabricated beam is provided with a beam sleeve, and the beam sleeve is bonded and fixed with the end of the prefabricated beam. The prefabricated column and the prefabricated beam are connected through the column sleeve and the beam sleeve, and the column sleeve and the beam sleeve are welded and fixed. No notch and a large number of drilling operations are required at the beam-column joint, which avoids damage and cross-section weakening of the beam-column joint. The column sleeve and the beam sleeve are bonded and fixed with the prefabricated beam and column, and no complex embedding process is required, which reduces the operation difficulty of component manufacturing.

[0007] Preferably, the prefabricated columns and beams of different cross-sectional sizes are connected through intermediate node sleeves, and the column sleeves and beam sleeves are inserted into the intermediate node sleeves and welded to be fixed, so that the prefabricated columns and beams of different cross-sectional sizes can be stably connected without additional processing of the beams and columns to adapt to the connection, further reducing the damage to the beam and column components, while enhancing the flexibility and applicability of the node connection.

[0008] Preferably, the intermediate node sleeve comprises a first connecting cylinder with upper and lower openings, and the column sleeve is inserted and fixed in the first connecting cylinder; a second connecting cylinder is fixed on the outer wall of the first connecting cylinder, and the beam sleeve is inserted and fixed in the second connecting cylinder, so that the connection is more targeted, and the welding after insertion not only ensures the firmness of the connection, but also avoids direct processing of the prefabricated beams and columns, maintaining the integrity of the beam and column components.

[0009] Preferably, the first connecting cylinder is internally fixed with a partition plate, which is transversely arranged at the middle position of the first connecting cylinder, and can limit and support the upper and lower column sleeves inserted in the first connecting cylinder, avoiding excessive insertion or deviation of the upper and lower prefabricated columns during connection, and improving the stability and accuracy of the upper and lower column connection.

[0010] A manufacturing method, comprising: The two column sleeves are placed opposite each other at both ends of the mold, so that the top of the column sleeve is flush with the top surface of the mold, and the outer wall of the column sleeve is fitted with the inner wall of the mold; the bamboo bundles coated with inorganic glue are placed in the mold, and after the bamboo bundles are placed in the mold, the cover plate is installed, and the pressure is applied to form the component and to maintain the demolding, so that the installation of the column sleeve is completed synchronously during the prefabricated column manufacturing process, without subsequent cutting or drilling of the prefabricated column to install the sleeve, simplifying the manufacturing process; the column sleeve is positioned by the mold, which can ensure the accuracy of the installation position.

[0011] Preferably, the two column sleeves are placed opposite each other at both ends of the mold, so that the top of the column sleeve is flush with the top surface of the mold, and the outer wall of the column sleeve is fitted with the inner wall of the mold; the bamboo bundles coated with inorganic glue are placed in the mold, and after the bamboo bundles are placed in the mold, the cover plate is installed, and the pressure is applied to form the component and to maintain the demolding, so that the installation of the column sleeve is completed synchronously during the prefabricated column manufacturing process, without subsequent cutting or drilling of the prefabricated column to install the sleeve, simplifying the manufacturing process; the column sleeve is positioned by the mold, which can ensure the accuracy of the installation position.

[0012] A connection method, comprising: When the cross-sectional dimension of the prefabricated beam and the prefabricated column is the same, the prefabricated column is vertically inserted into the concrete base and fixed, the prefabricated beam is horizontally hoisted to the designated position, and the beam sleeve at the end of the prefabricated beam is aligned and fixed with the column sleeve at the top end of the adjacent prefabricated column, and the beam-column connection is realized through the welding between the sleeves, without drilling holes and installing bolts at the beam-column joint, avoiding the weakening of the beam-column caused by drilling.

[0013] Preferably, if the upper prefabricated column is contained, the column sleeve at the bottom end of the upper prefabricated column is aligned and fixed with the column sleeve at the top end of the lower prefabricated column, and after the upper and lower prefabricated columns are fixed and connected, the prefabricated beam is horizontally hoisted to the designated position and fixed by welding, and the upper and lower prefabricated columns are connected by sleeve welding, which also avoids the processing damage to the column body, and the stability of the upper and lower column connection is guaranteed; the sequence of fixing the column body first and then installing the beam body makes the construction more orderly and can improve the accuracy of the overall node connection.

[0014] Preferably, when the cross-sectional dimension of the prefabricated beam and the prefabricated column is different and multiple prefabricated columns are contained, the lower prefabricated column is vertically inserted into the concrete base and fixed, the first connecting cylinder of the intermediate node sleeve is inserted and fixed at the top end of the lower prefabricated column, and then the upper prefabricated column is hoisted, so that the bottom end of the upper prefabricated column is inserted and fixed in the first connecting cylinder and fixed by welding; after the upper and lower prefabricated columns are installed, the prefabricated beam is horizontally hoisted to the side of the intermediate node sleeve, the end of the prefabricated beam is inserted into the corresponding second connecting cylinder, and fixed by welding, and for different cross-sectional dimensions of the beam and column and multiple column structures, the connection is realized through the intermediate node sleeve, without the need for modification and processing of the beam and column, thereby protecting the structural integrity of the beam and column; the components are connected by the method of inserting and then welding, the steps are clear, the stability of the connection between components of different sizes can be ensured, and the application range of the node structure is expanded.

[0015] Preferably, when hoisting the prefabricated beam, the opening side of the beam sleeve is placed upward to ensure the load stability of the prefabricated beam.

[0016] It can be seen from the above technical solutions that the advantages of the present application are: 1. The prefabricated column and the prefabricated beam are connected through the column sleeve and the beam sleeve, and the column sleeve and the beam sleeve are fixed by welding, without the need for cutting and a large number of drilling operations at the beam-column joint, thereby avoiding damage and cross-sectional weakening of the beam-column joint, and the column sleeve and the beam sleeve are fixed with the prefabricated beam and column through adhesion, without the need for complex pre-embedding process, thereby reducing the operation difficulty of component manufacturing.

[0017] 2. The intermediate node sleeve is arranged, so that prefabricated columns and prefabricated beams with different cross-sectional sizes can be stably connected, without additional processing of the beams and columns to adapt the connection, further reducing the damage to the beam and column components, while enhancing the flexibility and applicability of the node connection. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 Structure diagram of the column sleeve according to one or more embodiments of the present application; Figure 2 Structure diagram of the prefabricated column according to one or more embodiments of the present application; Figure 3 Structure diagram of the mold according to one or more embodiments of the present application; Figure 4 Structure diagram of the mold and sleeve used together according to one or more embodiments of the present application; Figure 5 Structure diagram of the prefabricated beam according to one or more embodiments of the present application; Figure 6 Structure diagram of the column and column sleeve according to one or more embodiments of the present application; Figure 7 Structure diagram of the beam-column connection according to one or more embodiments of the present application; Figure 8 Structure diagram of the intermediate node sleeve according to one or more embodiments of the present application Figure 1 ; Figure 9 Use diagram of the intermediate node sleeve according to one or more embodiments of the present application Figure 1 ; Figure 10 Structure diagram of the intermediate node sleeve according to one or more embodiments of the present application Figure 2 ; Figure 11 Use diagram of the intermediate node sleeve according to one or more embodiments of the present application Figure 2 ; The components represented by the respective reference numerals in the drawings are as follows: 1, column sleeve; 2, precast column; 3, beam sleeve; 4, precast beam; 5, first end plate; 6, first side plate; 7, mold; 8, second end plate; 9, second side plate; 10, bottom plate; 11, weld; 12, intermediate node sleeve; 13, first connecting cylinder; 14, second connecting cylinder. DETAILED DESCRIPTION

[0020] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the present application will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present patent.

[0021] Embodiment 1 In a typical embodiment of the present application, as shown in Figures 1-11 An inorganic glue composite bamboo-wood structural beam-column joint is provided, which comprises a column sleeve 1, a precast column 2, a beam sleeve 3 and a precast beam 4. The precast column 2 is sleeved with a column sleeve 1 at each end, and the column sleeve 1 is bonded and fixed together with the end of the precast column 2. The precast beam 4 is sleeved with a beam sleeve 3 at each end, and the beam sleeve 3 is bonded and fixed together with the end of the precast beam 4. The column sleeve 1 and the beam sleeve 3 are both steel sleeves, and the ends of the precast column 2 and the precast beam 4 are connected through the column sleeve 1 and the beam sleeve 3. The column sleeve 1 and the beam sleeve 3 are welded and fixed, eliminating the operation of embedding a steel plate and installing a bolt through a hole. The beam-column end connection is realized while the structural stability of the beam-column end joint is ensured.

[0022] As shown in Figure 1 The column sleeve 1 comprises a first end plate 5 and a plurality of first side plates 6. In this embodiment, there are four first side plates 6. The first end plate 5 and the first side plates 6 are both rectangular plates. The first side plates 6 are fixedly installed on the first end plate 5 by welding, and are arranged along the circumferential side of the first end plate 5 to jointly form an open rectangular sleeve structure.

[0023] In this embodiment, the width of the first side plate 6 is the same as the length of the side of the precast column 2 plus the thickness of the adjacent first side plate 6. The height of the first side plate 6 is greater than the height of the column cross section. The length and width of the first end plate 5 are the length and width of the column cross section plus the thickness of the corresponding first side plate 6.

[0024] The inside of the column sleeve 1 has a gap with the prefabricated column 2, the inner wall of the column sleeve 1 is coated with inorganic glue (the same composition as the inorganic glue used to make the prefabricated column 2), the end of the prefabricated column 2 is inserted into the corresponding column sleeve 1, and the inorganic glue is filled into the gap between the column sleeve 1 and the prefabricated column 2 through extrusion, so as to realize the fixed connection between the column sleeve 1 and the prefabricated column 2.

[0025] As shown in Figure 5 , the beam sleeve 3 includes a first end plate 5 and a plurality of first side plates 6, and in the embodiment, three first side plates 6 are provided, the first side plates 6 and the first end plate 5 are both rectangular plates, and the first side plates 6 are fixedly arranged on the first end plate 5 by welding to form a sleeve structure with an opening on the top and one side, and the end of the prefabricated beam 4 is inserted into the beam sleeve 3 and fixedly connected together by adhesive.

[0026] In order to improve the connection firmness and aesthetics of the sleeve and the corresponding beam column, in the embodiment, the column sleeve 1 and the prefabricated column 2 and the beam sleeve 3 and the prefabricated beam 4 are integrally formed at the beam column component forming stage, that is, the sleeve and the bamboo bundle are connected and glued together in the mold 7, and then cured and formed after pressure is applied, as shown in Figure 2 , in this way, the sleeve and the corresponding beam column are firmly connected, and the outer wall of the sleeve is flush with the outer wall of the corresponding beam column, which is high in aesthetics.

[0027] As shown in Figure 6 , for the already formed beam column component, the column sleeve 1 and the beam sleeve 3 can be directly sleeved on the corresponding beam column component, and the column sleeve 1 and the beam sleeve 3 are fixedly connected with the corresponding beam column component by using inorganic glue, which is convenient to operate and suitable for the prefabricated column 2 and the prefabricated beam 4 that have been formed, without damaging the stability of the already formed prefabricated column 2 and the prefabricated beam 4.

[0028] As shown in Figure 7 , the prefabricated column 2 and the prefabricated beam 4 are fixedly connected through the column sleeve 1 and the beam sleeve 3, and the column sleeve 1 and the adjacent beam sleeve 3 are fixedly connected by welding, so as to form a weld 11 therebetween.

[0029] Since in the middle part of the beam column frame structure, the column needs to be connected with multiple beams at the same time, and the cross-sectional dimensions of the beam columns may be different, in order to improve the speed and alignment of the beam column connection, facilitate the connection firmness of the beam columns with different cross-sectional dimensions, a middle node sleeve 12 is further provided, which is used for the fixed connection between the prefabricated columns 2 and the end of the prefabricated beam 4 at the joint between the two prefabricated columns.

[0030] As shown in Figure 8 and Figure 10As shown, the intermediate node sleeve 12 comprises a first connecting sleeve 13 and a second connecting sleeve 14, both of which are rectangular sleeve structures, the first connecting sleeve 13 is used for butt joint and fixing between two prefabricated columns 2, and the second connecting sleeve 14 is used for fixed connection with the beam sleeve 3 at the end of the prefabricated beam 4, so that the prefabricated beam 4 is fixedly arranged at the butt joint position of the two prefabricated columns 2.

[0031] Specifically, the first connecting sleeve 13 is an upper and lower opening rectangular sleeve structure, a partition plate is welded and fixed in the first connecting sleeve 13, the partition plate is transversely arranged at the middle position of the first connecting sleeve 13 to serve as a partition and positioning plate for the upper and lower two columns, the length of the first connecting sleeve 13 on the upper and lower sides of the partition plate is the same, the first connecting sleeve 13 is used for welding and fixing with the column sleeve 1 at the end of the two prefabricated columns 2, the column sleeve 1 is inserted into the first connecting sleeve 13, and the two column sleeves 1 are located on the upper and lower sides of the partition plate.

[0032] The second connecting sleeve 14 is an end opening rectangular sleeve structure, which is fixedly installed on the side of the first connecting sleeve 13 by welding, as shown in Figure 8 and Figure 10 As shown, the second connecting sleeve 14 can be set in any number of 1-4 to meet the fixed connection between different numbers of prefabricated beams 4 and prefabricated columns 2, when a plurality of second connecting sleeves 14 are set, the second connecting sleeves 14 are fixedly arranged along the circumference of the first connecting sleeve 13, and the beam sleeve 3 is inserted into the second connecting sleeve 14 and welded.

[0033] Through the arrangement of the intermediate node sleeve 12, the connection and fixation between prefabricated columns 2 and prefabricated beams 4 of different cross-sectional sizes can be realized, the connection firmness between beam-column components is ensured, and the rapid positioning of the prefabricated beam 4 installation can be realized, thereby improving the construction efficiency and quality.

[0034] The sleeve manufacturing and reinforcement and the connection with the beam and column are all completed in the processing factory, the beam and column are installed on site by welding, which is fast and high in quality, realizes the rapid connection of the inorganic glue bamboo-wood structure beam, column and other components, has small damage to the beam and column components compared with the connection method of cutting groove installation steel plate and drilling installation bolt, has higher integrity and safety, and the steel sleeve produces constraint on the node part of the beam and column, which can effectively prevent the splitting damage of the bamboo.

[0035] Embodiment 2 In another typical embodiment of the present application, a manufacturing method of an inorganic glue composite bamboo-wood structure beam-column joint is provided, comprising: The two column sleeves 1 are placed opposite to each other at both ends in the mold 7, as shown in Figure 3As shown, the mold 7 includes a second end plate 8, a second side plate 9, a bottom plate 10, and a cover plate. After the two column sleeves 1 are placed in the mold 7, the first end plate 5 of the column sleeve 1 is in close contact with the second end plate 8 of the mold 7, the first side plate 6 is in close contact with the second side plate 9, and the top of the column sleeve 1 is flush with the top surface of the mold 7. After the column sleeve 1 is placed, bamboo bundles coated with inorganic glue are placed into the mold 7, so that the two ends of the bamboo bundles are placed inside the column sleeve 1, and bamboo bundles are also placed in the area between the wall thickness of the first side plate 6 of the two column sleeves 1, so that the outer wall of the precast column 2 after molding is flush with the outer wall of the first side plate 6 on the column sleeve 1, ensuring the aesthetics of the component. After the bamboo bundles fill the mold 7, the cover plate is installed, and a pressure of 0.2~0.3MPa is applied to shape and cure the component. After curing, the mold is removed, so that the column sleeve 1 is fixedly set at both ends of the precast column 2.

[0036] Similarly, the manufacturing method of precast beam 4 is the same as that of precast column 2, as detailed below: Place the two beam sleeves 3 opposite each other at both ends inside the mold 7, as follows: Figure 4 As shown, the upper opening of the beam sleeve 3 is flush with the top surface of the mold 7. After the two beam sleeves 3 are placed in the mold 7, the first end plate 5 of the beam sleeve 3 is in close contact with the second end plate 8 of the mold 7, and the first side plate 6 is in close contact with the second side plate 9. After the beam sleeve 3 is placed, bamboo bundles coated with inorganic glue are placed into the mold 7, so that the two ends of the bamboo bundles are placed inside the beam sleeve 3, and bamboo bundles are also placed in the area between the wall thickness of the first side plate 6 of the two beam sleeves 3, so that the outer wall of the formed precast beam 4 is flush with the outer wall of the first side plate 6 on the beam sleeve 3, ensuring the aesthetics of the component. After the bamboo bundles fill the mold 7, the cover plate is installed, and a pressure of 0.2~0.3MPa is applied to shape and cure the component. After curing, the component is demolded, so that the beam sleeve 3 is fixedly set at both ends of the precast beam 4.

[0037] Example 3 In another typical embodiment of the present invention, a method for connecting beam-column joints in an inorganic adhesive composite bamboo-wood structure is proposed, comprising: like Figure 7 As shown, when the cross-sectional dimensions of the precast beam 4 and the precast column 2 are the same, the precast beam 4 is set horizontally, and the precast column 2 is inserted vertically into the concrete foundation. The gap between the foundation and the precast column 2 is filled and fixed with inorganic adhesive. The beam sleeve 3 at the end of the precast beam 4 is fitted and aligned with the column sleeve 1 at the top of the adjacent precast column 2 and fixed by welding.

[0038] If there is also an upper precast column 2, the upper precast column 2 is first hoisted to the top of the lower precast column 2, and the column sleeve 1 at the bottom of the upper precast column 2 is aligned with the column sleeve 1 at the top of the lower precast column 2. The upper and lower precast columns 2 are then fixedly connected by welding. After the upper and lower precast columns 2 are fixedly connected, the precast beam 4 is horizontally hoisted to the designated position (such as the joint of the two precast columns 2) and fixed by welding.

[0039] like Figure 9 , Figure 11 As shown, when the cross-sectional dimensions of the precast beam 4 and the precast column 2 are different, and there are multiple layers of precast columns 2, the lower layer of precast columns 2 is vertically inserted into the concrete foundation, and the gap between the foundation and the precast column 2 is filled and fixed with inorganic adhesive. The first connecting cylinder 13 of the intermediate node sleeve 12 is inserted into the top of the lower precast column 2, and the column sleeve 1 and the first connecting cylinder 13 are welded together. Then, the upper precast column 2 is hoisted to the top of the lower precast column 2, so that the bottom end of the upper precast column 2 is inserted into the first connecting cylinder 13, and the column sleeve 1 at the bottom end of the upper precast column 2 is fixedly connected to the first connecting cylinder 13 by welding, so as to achieve a fixed connection between the upper and lower precast columns 2. After the upper and lower precast columns 2 are installed, the precast beam 4 is horizontally hoisted to the periphery of the intermediate node sleeve 12, as follows. Figure 5 As shown, the side of the beam sleeve 3 without the first side plate 6 is placed upwards, and then the end of the precast beam 4 is inserted into the corresponding second connecting sleeve 14 and fixed by welding. The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An inorganic adhesive composite bamboo-wood structural beam-column joint, comprising: The precast column (2) and precast beam (4) are characterized in that a column sleeve (1) is fitted at both ends of the precast column (2), and the column sleeve (1) is bonded and fixed to the end of the precast column (2); a beam sleeve (3) is fitted at both ends of the precast beam (4), and the beam sleeve (3) is bonded and fixed to the end of the precast beam (4); the precast column (2) and the precast beam (4) are connected by the column sleeve (1) and the beam sleeve (3), and the column sleeve (1) and the beam sleeve (3) are welded and fixed together.

2. The inorganic adhesive composite bamboo-wood structure beam-column joint according to claim 1, characterized in that, Precast columns (2) and precast beams (4) of different cross-sectional sizes are also connected by intermediate node sleeves (12). Column sleeves (1) and beam sleeves (3) are inserted into intermediate node sleeves (12) and welded and fixed.

3. The inorganic adhesive composite bamboo-wood structure beam-column joint according to claim 2, characterized in that, The intermediate node sleeve (12) includes a first connecting cylinder (13) with openings at the top and bottom, and a column sleeve (1) is inserted and fixed inside the first connecting cylinder (13); a second connecting cylinder (14) is fixedly provided on the outer wall of the first connecting cylinder (13), and the second connecting cylinder (14) is arranged along the periphery of the first connecting cylinder (13), and a beam sleeve (3) is inserted and fixed inside the second connecting cylinder (14).

4. The inorganic adhesive composite bamboo-wood structure beam-column joint according to claim 3, characterized in that, A partition is fixed inside the first connecting cylinder (13), and the partition is horizontally positioned in the middle of the first connecting cylinder (13).

5. A manufacturing method, characterized in that, For manufacturing inorganic adhesive composite bamboo-wood structure beam-column joints as described in any one of claims 1-4, comprising: Place the two column sleeves (1) opposite each other at both ends inside the mold (7), so that the top of the column sleeve (1) is flush with the top surface of the mold (7), and the outer wall of the column sleeve (1) is in contact with the inner wall of the mold (7). Place the bamboo bundles coated with inorganic glue into the mold (7). After the bamboo bundles fill the mold (7), install the cover plate, apply pressure to shape the component, and cure and demold.

6. The manufacturing method according to claim 5, characterized in that, Place the two beam sleeves (3) opposite each other at both ends inside the mold (7), so that the top of the beam sleeves (3) is flush with the top surface of the mold (7), and the outer wall of the beam sleeves (3) is in contact with the inner wall of the mold (7); Place the bamboo bundles coated with inorganic glue into the mold (7). After the bamboo bundles fill the mold (7), install the cover plate, apply pressure to shape the component, and cure and demold.

7. A connection method, characterized in that, For the connection of the inorganic adhesive composite bamboo and wood structure beam-column joint as described in any one of claims 1-4, comprising: When the cross-sectional dimensions of the precast beam (4) and the precast column (2) are the same, the precast column (2) is vertically inserted into the concrete foundation and fixed. The precast beam (4) is horizontally hoisted to the designated position, and the beam sleeve (3) at the end of the precast beam (4) is aligned with the column sleeve (1) at the top of the adjacent precast column (2) and welded in place.

8. The connection method according to claim 7, characterized in that, If there is an upper precast column (2), first align the column sleeve (1) at the bottom of the upper precast column (2) with the column sleeve (1) at the top of the lower precast column (2) and weld them together; after the upper and lower precast columns (2) are fixedly connected, the precast beam (4) is horizontally hoisted to the designated position and welded together.

9. The connection method according to claim 7, characterized in that, When the cross-sectional dimensions of the precast beam (4) and the precast column (2) are different and there are multiple layers of precast columns (2), the lower layer of precast columns (2) is vertically inserted into the concrete foundation and fixed. Insert the first connecting sleeve (13) of the intermediate node sleeve (12) into the top of the lower precast column (2) and weld it in place. Then hoist the upper precast column (2) so that the bottom end of the upper precast column (2) is inserted into the first connecting sleeve (13) and welded in place. After the upper and lower precast columns (2) are installed, the precast beam (4) is horizontally hoisted to the periphery of the intermediate node sleeve (12), and the end of the precast beam (4) is inserted into the corresponding second connecting cylinder (14) and welded and fixed.

10. The connection method according to claim 9, characterized in that, When hoisting the precast beam (4), the open side of the beam sleeve (3) should be placed upwards.

Citation Information

Patent Citations

  • Inorganic glue composite bamboo-wood structure beam-column joint and method for preventing fire collapse

    CN116517116A