Pressure-bearing structure of FRP (Fiber Reinforced Plastic) reinforced bamboo laminated wood column

Abstract

The utility model discloses an FRP (Fiber Reinforce Plastic) reinforced bamboo laminated wood column pressure-bearing structure which comprises an FRP bamboo laminated wood column, an FRP layer is wrapped outside the FRP bamboo laminated wood column, and a pressure-bearing structure is arranged on the outer side of the FRP bamboo laminated wood column. According to the FRP bamboo laminated wood column, the pressure bearing structure is arranged on the outer side of the FRP bamboo laminated wood column, the overall strength of the FRP bamboo laminated wood column can be improved, the good pressure bearing capacity is further achieved, the reinforcing hoop is bound to the outer side of the FRP bamboo laminated wood column through the adhesive layer, the tightening hoop is embedded into the tightening groove in the reinforcing hoop, the strength of the reinforcing hoop can be improved, and the FRP bamboo laminated wood column has the good pressure bearing capacity. In addition, reinforcing ribs are arranged in the inserting holes, the axial bearing capacity of the FRP bamboo laminated wood column is further increased, the FRP bamboo laminated wood column is not prone to being broken and deformed, the arranged FRP bamboo laminated wood column is composed of bamboo strips which are arranged in a criss-cross mode and is good in adhesion, strength, toughness and corrosion resistance, in addition, the FRP layer wraps the FRP bamboo laminated wood column, and therefore the FRP bamboo laminated wood column is not prone to being broken and deformed. The material is a high-performance material, so that the bearing capacity and the deformability are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of FRP bamboo laminated lumber columns, and specifically relates to a bearing structure of an FRP reinforced bamboo laminated lumber column. Background Technique

[0002] Bamboo laminated lumber is made by processing fast-growing and short-cycle bamboo into bamboo slices with fixed width and thickness or flattening the original bamboo to form wide-width bamboo units (removing bamboo green and bamboo yellow), treating (such as carbonization, etc.) and drying to a certain moisture content, and then gluing the bamboo slices with adhesives. The bearing capacity of the glued bamboo laminated lumber column is poor.

[0003] In the prior art, the publication number is CN213741909U, and the technical solution disclosed in this patent document is as follows: an FRP reinforced bamboo-straw composite column is composed of a bamboo laminated lumber core, an FRP wrapping layer, a straw waste compaction layer, a bamboo laminated lumber outer wrapping layer, and a fireproof treatment surface layer. Its characteristics are: during production, each layer is respectively composed of a bamboo laminated lumber core, FRP cloth, mechanically preliminarily compacted straw blocks, and glued and assembled original bamboo strips, and then uniformly hot-pressed in a hot press in one step. The binder selected for hot pressing is a new type of resorcinol-modified phenolic resin glue with anti-corrosion function, and finally the surface layer is fireproof-treated by the impregnation method to complete.

[0004] The bearing structure is not arranged on the outer side of the bamboo laminated lumber column in the above technical solution, which reduces the bearing capacity and deformation ability of the component and is easy to be damaged. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bearing structure of an FRP reinforced bamboo laminated lumber column to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a bearing structure of an FRP reinforced bamboo laminated lumber column, including an FRP bamboo laminated lumber column, the FRP bamboo laminated lumber column is wrapped with an FRP layer, and a bearing structure is installed on the outer side of the FRP bamboo laminated lumber column.

[0007] The bearing structure includes a reinforcement component, the reinforcement components are arranged in a row on the outer surface of the FRP bamboo laminated lumber column, and a reinforcing rib is arranged through between the reinforcement components, and the reinforcing ribs are uniformly arranged on the outer side of the FRP bamboo laminated lumber column.

[0008] As a further preferred of this technical solution, the FRP bamboo laminated lumber column includes a bamboo wood plywood one and a bamboo wood plywood two, a plurality of the bamboo wood plywood one and the bamboo wood plywood two are arranged at intervals, an adhesive is arranged between adjacent bamboo wood plywood one and bamboo wood plywood two, and a fireproof layer is arranged on the outer side of the FRP layer.

[0009] In the above technical solution, the provided fireproof layer endows the FRP bamboo laminated lumber column with a certain fireproof ability.

[0010] As a further preferred embodiment of this technical solution, the bamboo-wood plywood one includes a single-layer board one and bamboo slices one. The single-layer board one and the bamboo slices one are arranged at intervals axially and are connected by an adhesive.

[0011] As a further preferred embodiment of this technical solution, the bamboo-wood plywood two includes a single-layer board two and bamboo slices two. The single-layer board two and the bamboo slices two are arranged at intervals transversely and are connected by an adhesive. The single-layer board two, the bamboo slices two, the single-layer board one, and the bamboo slices one are distributed in a staggered manner.

[0012] In the above technical solution, the FRP bamboo laminated lumber column is composed of the bamboo-wood plywood one and the bamboo-wood plywood two arranged vertically and horizontally, with better strength, toughness, and anti-corrosion properties.

[0013] As a further preferred embodiment of this technical solution, the reinforcement component includes an adhesive layer, which is coated on the outer side of the fireproof layer, and a reinforcing hoop is fixedly connected to the outer side of the adhesive layer.

[0014] In the above technical solution, the reinforcing hoop is bound to the outer side of the FRP bamboo laminated lumber column through the adhesive layer, enhancing the binding force.

[0015] As a further preferred embodiment of this technical solution, tightening grooves are equidistantly arranged on the outer side of the reinforcing hoop, and insertion holes are equidistantly arranged around the reinforcing hoop. Tightening hoops are embedded in the tightening grooves, and the tightening hoops are made of metal.

[0016] In the above technical solution, the tightening hoops are embedded in the tightening grooves on the reinforcing hoop, which can improve the strength of the reinforcing hoop and reduce the internal pressure to prevent the reinforcing hoop from being damaged.

[0017] As a further preferred embodiment of this technical solution, the insertion holes penetrate through the reinforcing ribs and are connected to each reinforcing hoop. The reinforcing ribs are made of metal.

[0018] In the above technical solution, the reinforcing ribs are arranged in the insertion holes, further increasing the axial bearing capacity of the FRP bamboo laminated lumber column, making the FRP bamboo laminated lumber column not easily break or deform.

[0019] The present utility model provides a pressure-bearing structure of an FRP-reinforced bamboo laminated lumber column, which has the following beneficial effects:

[0020] (1) By arranging a pressure-bearing structure on the outer side of the FRP bamboo integrated wood column, the overall strength of the FRP bamboo integrated wood column can be improved, and thus it has better pressure-bearing capacity. It binds the reinforcing hoop to the outer side of the FRP bamboo integrated wood column through an adhesive layer to enhance the binding force. And the tightening hoop is embedded in the tightening groove on the reinforcing hoop, which can improve the strength of the reinforcing hoop, reduce the internal pressure and prevent the reinforcing hoop from being damaged. In addition, reinforcing ribs are arranged in the jacks to further increase the axial bearing capacity of the FRP bamboo integrated wood column, making the FRP bamboo integrated wood column not easy to break and deform.

[0021] (2) The FRP bamboo integrated wood column provided by the present utility model is composed of bamboo strips arranged in a criss-cross pattern and bonded together, with better strength, toughness and anti-corrosion properties. In addition, the outer side of the FRP bamboo integrated wood column is wrapped with an FRP layer, which is a high-performance material, further improving the bearing capacity and deformation ability. The arranged fireproof layer enables the FRP bamboo integrated wood column to have a certain fireproof ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0023] Figure 2 is a schematic structural diagram of the pressure-bearing structure of the present utility model;

[0024] Figure 3 is a schematic structural diagram of the reinforcement assembly of the present utility model;

[0025] Figure 4 is an enlarged view of FIG. A of the present utility model;

[0026] Figure 5 is a schematic structural diagram of the FRP bamboo integrated wood column of the present utility model;

[0027] In the figure: 1, FRP bamboo integrated wood column; 11, bamboo wood plywood one; 12, bamboo wood plywood two; 13, adhesive; 14, fireproof layer; 111, single-layer board one; 112, bamboo slice one; 121, single-layer board two; 122, bamboo slice two; 2, pressure-bearing structure; 21, reinforcement assembly; 22, reinforcing rib; 211, adhesive layer; 212, reinforcing hoop; 213, tightening groove; 214, jack; 215, tightening hoop. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0029] The present utility model provides a technical solution: as Figure 1As shown in the figure, in this embodiment, a bearing structure for an FRP-reinforced bamboo laminated lumber column includes an FRP bamboo laminated lumber column 1, an FRP layer is wrapped around the FRP bamboo laminated lumber column 1, and a bearing structure 2 is installed on the outer side of the FRP bamboo laminated lumber column 1. FRP is a high-performance material formed by mixing fiber materials and matrix materials in a certain proportion.

[0030] As Figure 1 and Figure 5 shown, the FRP bamboo laminated lumber column 1 includes a bamboo wood plywood one 11 and a bamboo wood plywood two 12. A number of bamboo wood plywood one 11 and bamboo wood plywood two 12 are arranged at intervals. An adhesive 13 is provided between adjacent bamboo wood plywood one 11 and bamboo wood plywood two 12. A fireproof layer 14 is provided on the outer side of the FRP layer. The bamboo wood plywood one 11 includes a single-layer board one 111 and a bamboo sheet one 112. The single-layer board one 111 and the bamboo sheet one 112 are arranged axially at intervals and are connected by the adhesive 13. The bamboo wood plywood two 12 includes a single-layer board two 121 and a bamboo sheet two 122. The single-layer board two 121 and the bamboo sheet two 122 are arranged transversely at intervals and are connected by the adhesive 13. The single-layer board two 121, the bamboo sheet two 122, the single-layer board one 111, and the bamboo sheet one 112 are staggered. The provided FRP bamboo laminated lumber column 1 is composed of bamboo strips arranged vertically and horizontally and is bonded, with better strength, toughness, and anti-corrosion. In addition, the FRP bamboo laminated lumber column 1 is wrapped with an FRP layer, which is a high-performance material, further improving the bearing capacity and deformation ability. The provided fireproof layer 14 enables the FRP bamboo laminated lumber column to have a certain fireproof ability. The fireproof layer 14 is made of a glass wool board and has good high-temperature resistance.

[0031] As Figure 2 、 Figure 3 and Figure 4As shown in the figure, the pressure-bearing structure 2 includes a reinforcement component 21. The reinforcement components 21 are arranged on the outer surface of the FRP bamboo laminated column 1. A reinforcing rib 22 is arranged through between the reinforcement components 21. The reinforcing ribs 22 are evenly arranged on the outer side of the FRP bamboo laminated column 1. The reinforcement component 21 includes an adhesive layer 211. The adhesive layers 211 are coated on the outer side of the fireproof layer 14. A reinforcing hoop 212 is fixedly connected to the outer side of each adhesive layer 211. Tightening grooves 213 are equidistantly arranged on the outer side of the reinforcing hoop 212. Insertion holes 214 are equidistantly arranged around the reinforcing hoop 212. A tightening hoop 215 is embedded in each tightening groove 213. The tightening hoop 215 is made of metal. The insertion holes 214 penetrate through the reinforcing ribs 22 and are connected to each reinforcing hoop 212. The reinforcing ribs 22 are made of metal. By arranging the pressure-bearing structure 2 on the outer side of the FRP bamboo laminated column 1, the overall strength of the FRP bamboo laminated column 1 can be improved, and thus it has better pressure-bearing capacity. The reinforcing hoop 212 is bound to the outer side of the FRP bamboo laminated column 1 through the adhesive layer 211 to enhance the binding force. Moreover, the tightening hoop 215 is embedded in the tightening groove 213 on the reinforcing hoop 212, which can improve the strength of the reinforcing hoop 212 and reduce the internal pressure to prevent the reinforcing hoop 212 from being damaged. In addition, the reinforcing rib 22 is arranged in the insertion hole 214 to further increase the axial bearing capacity of the FRP bamboo laminated column 1, making the FRP bamboo laminated column 1 not easily break or deform.

[0032] The utility model provides a pressure-bearing structure for an FRP-reinforced bamboo laminated column. The specific working principle is as follows: The FRP bamboo laminated column 1 is composed of bamboo strips arranged in a crisscross pattern and bonded together, with good strength, toughness and anti-corrosion properties. The FRP layer arranged on the outer side of the FRP bamboo laminated column 1 further improves the bearing capacity, and the fireproof layer 14 arranged thereon endows it with certain fireproof ability. In order to enhance the pressure-bearing capacity of the FRP bamboo laminated column 1, a reinforcing hoop 212 is arranged on the outer side of the FRP bamboo laminated column 1, and a tightening hoop 215 is embedded in the tightening groove 213 on the reinforcing hoop 212, which has a compressive effect. The reinforcing rib 22 penetrates through each reinforcing hoop 212 through the insertion hole 214 to further improve the pressure-bearing capacity of the FRP bamboo laminated column 1.

[0033] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An FRP reinforced bamboo laminated timber column pressure-bearing structure, comprising an FRP bamboo laminated timber column (1), wherein the FRP bamboo laminated timber column (1) is wrapped with an FRP layer, characterized in that: A pressure-bearing structure (2) is installed on the outside of the FRP bamboo composite material column (1); The pressure-bearing structure (2) comprises reinforcement components (21), the reinforcement components (21) are arranged in an arranged manner on the outer surface of the FRP bamboo integrated wood column (1), reinforcement ribs (22) are arranged through the reinforcement components (21), and the reinforcement ribs (22) are evenly arranged on the outer side of the FRP bamboo integrated wood column (1).

2. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 1, characterized in that: The FRP bamboo composite column (1) comprises a bamboo plywood sheet one (11) and a bamboo plywood sheet two (12), wherein a plurality of bamboo plywood sheets one (11) and bamboo plywood sheets two (12) are arranged at intervals, an adhesive (13) is arranged between adjacent bamboo plywood sheets one (11) and bamboo plywood sheets two (12), and a fireproof layer (14) is arranged on the outer side of the FRP layer.

3. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 2, characterized in that: The bamboo plywood one (11) comprises a single-layer board one (111) and a bamboo piece one (112); the single-layer board one (111) and the bamboo piece one (112) are arranged axially at intervals and connected by an adhesive (13).

4. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 2, characterized in that: The bamboo plywood 2 (12) comprises a single-layer board 2 (121) and a bamboo piece 2 (122); the single-layer board 2 (121) and the bamboo piece 2 (122) are arranged in a transversely spaced manner and connected by an adhesive (13); the single-layer board 2 (121), the bamboo piece 2 (122) and the single-layer board 1 (111), the bamboo piece 1 (112) are arranged in a staggered manner.

5. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 1, characterized in that: The reinforcement component (21) comprises an adhesive layer (211), the adhesive layer (211) is coated on the outside of the fireproof layer (14), and the outside of the adhesive layer (211) is fixedly connected with a reinforcement hoop (212).

6. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 5, characterized in that: The outer side of the reinforcing hoop (212) is provided with tightening grooves (213) at equal intervals, and the surrounding areas of the reinforcing hoop (212) are provided with insertion holes (214) at equal intervals. Tightening hoops (215) are embedded in the tightening grooves (213), and the tightening hoop (215) is made of metal.

7. The FRP reinforced bamboo laminated timber column pressure-bearing structure according to claim 6, characterized in that: The insertion hole (214) passes through the reinforcing rib (22) and is connected to each reinforcing hoop (212); the reinforcing rib (22) is made of metal.

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