WO2022083019A1

WO2022083019A1 - Mortise-and-tenon square steel-wood assembled joint and mounting method therefor

Info

Publication number: WO2022083019A1
Application number: PCT/CN2021/073508
Authority: WO
Inventors: 牟犇; 冯鹏; 周万求; 苗吉军
Original assignee: 青岛理工大学
Priority date: 2020-10-19
Filing date: 2021-01-25
Publication date: 2022-04-28
Also published as: CN112359982A; CN112359982B

Abstract

A mortise-and-tenon square steel-wood assembled joint, comprising a composite column (1), composite beams (2) and a joint mortise-and-tenon assembly (3), wherein the composite column (1) comprises a steel insertion member (11) and filling wood blocks (12), and the filling wood blocks (12) are inserted into the steel insertion member (11); the joint mortise-and-tenon assembly (3) comprises a column connecting member (31) and beam connecting members; two ends of the column connecting member (31) are column connecting ends (3102) respectively connected to the composite column (1); the beam connecting members comprise beam connecting members I (32) and beam connecting members II (33); one end of each of the beam connecting members I (32) is a mortise connecting end, one end of each of the beam connecting members II (33) is a tenon connecting end, the mortise connecting end is oppositely inserted into a window (3101) of the column connecting member (31), the tenon connecting end is oppositely inserted into a window (3101) of the column connecting member (31), and the mortise connecting end and the tenon connecting end are connected together by means of a mortise-and-tenon; and the composite beam (2) is connected to the beam connecting members. According to the square steel-wood assembled joint, the main body material is wood, which is scientifically combined with steel and FRP fiber materials, and the advantages of the various materials are exerted, such that the strength can reach a higher level while the weight remains light.

Description

Tenon-mortise square steel-wood assembly node and installation method

technical field

The invention relates to the field of building structures, in particular to a steel-wood assembly node and an installation method of the node.

Background technique

As countries around the world pay more and more attention to resources and energy, green, environmental protection and energy saving have become new requirements for the development of various industries. Wood structure buildings are very popular in Japan and Europe, especially in North America. They have different shapes and styles, and external materials are also There are various types of bricks, planks, stucco, etc. Although they are ever-changing, the interiors are all wooden structures.

At present, wood structure building has also become one of the important directions of the development of my country's construction industry. Timber structure buildings have many advantages, such as high durability, short construction period, strong earthquake resistance, flexible design and layout, good thermal insulation and energy saving, etc. However, with the increase in practical application and demand, some problems are also exposed. Due to the increase in construction volume, wood is in short supply, and the strength of wood is not high enough to be suitable for high-rise or super high-rise buildings. Due to the problem of excessive deflection, wood beams are not suitable for some design requirements.

SUMMARY OF THE INVENTION

The technical effect of the present invention can solve the above problems existing in the existing wood structure buildings, and provides a square steel-wood assembly node.

In order to achieve the above object, the present invention adopts the following technical scheme: comprising a composite column, a composite beam and a node tenon and mortise assembly, and the composite column and the composite beam are connected by the node tenon and mortise assembly;

The combined column includes steel inserts and filled wood blocks, the steel inserts include a central connecting column, a connecting plate and a coaming plate, the central connecting column is a square column, and a connecting plate connecting plate end extends vertically from the four sides of the central connecting column. The hoarding plate is fixed vertically at the top, the left and right ends of the hoarding plate are folded inward, the adjacent two hoarding plates and the adjacent two connecting plates form a square space with an opening at one corner, and four square spaces are formed on the steel insert; each A piece of filling wood is inserted into the square space, and the section of the filling wood block matches that of the square space;

The node tenon-and-mortise assembly includes a column connector, a beam connector and a beam connector end; the four sides of the column connector are provided with windows for inserting the beam connector, and the upper and lower ends of the column connector are both column connections. end, the column connecting end is connected to the combined column;

The beam connector includes two beam connectors I and two beam connectors II connected together by tenon and mortise, the other end of the beam connector I and the beam connector II is the beam connector end, and the beam connector end is connected to the composite beam; The composite beam is an I-beam, including an upper layer of wood inserts, a middle steel plate piece and a lower layer of wood inserts, the upper layer of wood inserts and the lower layer of wood inserts are inserted through the middle steel plate parts, and the upper layer of wood inserts and the lower layer of wood inserts are respectively fixed to the connecting ends. connect.

Preferably, one end of the beam connector I is a tenon connecting end, and one end is a beam connecting end, and one end of the beam connector II is a Mao connecting end, and one end is a beam connecting end, and the tenon connecting ends of the two beam connectors I are opposite to each other. Inserted into the window of the column connector, the 90 connecting ends of the two beam connectors II are inserted into the windows of the column connector facing each other, and the tenon connecting ends of the two beam connectors I and the two beam connectors II 90 connecting ends pass through. Tenon and mortise connected together.

Preferably, a plug board and two upper and lower strips are arranged in the middle of the beam connector I, the plug board is located on one side of the plug strip, the upper surface of the plug board and the lower surface of the upper plug strip are on the same plane, and the plug board is located on one side of the plug strip. The lower surface of the insert and the upper surface of the lower insert are on the same plane, the end of the insert is stepped, and both ends of the inner side of the insert are provided with grooves I;

One side of the beam connector II is provided with an insert block, the left and right sides of the insert block are respectively provided with grooves II in a staggered manner, and the grooves II are arranged correspondingly with the ends of the insert plates;

The two beam connectors II are inserted into the windows facing each other, and the two insert blocks are arranged overlappingly; the two beam connectors I are inserted into the windows facing each other, the ends of the two insert plates are respectively inserted into the grooves II, and the two inserts are Inserted into the upper and lower sides of the opposing inserts respectively, the grooves I on the two upper inserts and the two lower inserts are connected to form a square groove, and a wooden plug is inserted into the square groove.

Preferably, the beam connecting end includes a central connecting block and two side connecting blocks, the two side connecting blocks are symmetrically arranged on both sides of the central connecting block, and the central connecting block includes a center plug board I and two side plug boards I, Two side inserts I are symmetrically arranged on both sides of the center insert I, a slot II is formed between the center insert I and the insert I, and the center insert I is higher than the side insert I.

Preferably, the cross section of the upper wood insert is π-shaped, which includes an upper wing plate and two parallel side insert boards II, and a slot I is formed between the two parallel side insert boards II;

The middle steel plate piece includes two symmetrically arranged web assemblies, each web assembly includes a side web and an L-shaped folded plate, the L-shaped folded plate is vertically fixed at the center of the side web, and the L-shaped folded plate is connected to the side web. A slot IV is formed between the webs;

The lower-layer wood inserts include a lower wing plate and a center insert plate assembly, the center insert plate assembly includes a center insert plate II and a side insert plate III, the side insert plates III are symmetrically arranged on both sides of the center insert plate II, and the side insert plates III and A slot III is formed between the center plug boards II, and the center plug board II is higher than the side plug board III; the length of one end of the lower wing plate is greater than the length of the center plug board assembly;

The protruding end of the lower wing plate is inserted into the bottom surface of the beam connecting end and is fixedly connected with the beam connecting end, the central plug-in board assembly of the lower wooden insert is aligned with the central connecting block, and the middle steel plate piece is installed on the central plug-in board assembly of the lower wooden plug-in And above the central connecting block, the upper wooden insert is installed above the middle steel plate, so that the side insert I and the side insert III are inserted into the slot IV, the L-shaped folded plate is inserted into the slot II and the slot III respectively, and the center insert is inserted into the slot IV. The board I and the center plug board II are inserted into the slot I after passing between the two L-shaped folded plates, and the upper wooden plug-in board is fixedly connected with the beam connecting end.

Preferably, a corner of the filled wooden block is a groove III that matches a corner of the central connecting column, and two sides opposite to the groove are provided with a groove IV that matches the folded edge of the enclosure.

Preferably, the periphery of the combined column is also covered with FRP fiber cloth.

Preferably, the upper and lower end surfaces of the beam connecting end are both lower than the upper and lower end surfaces of the beam connecting piece.

Another object of the invention of the present invention is to provide a kind of installation method of mortise and tenon square steel-wood assembly node, specifically as follows:

Step 1: Assemble the combined column, insert the filled wood block into the steel insert, the top of the steel insert is higher than the filled wood block, and wrap the FRP fiber cloth around the steel insert;

Step 2: Install the column connector and insert the column connector into the steel insert;

Step 3: Install the beam connector, first insert the two beam connectors II into the two windows of the column connector, and then insert the two beam connectors I into the other two windows of the column connector. Connect the beam connector I and the beam connector II by tenon and mortise, and finally insert a wooden pin into the square groove of the cutting strip;

Step 4: Install the composite beam, and install the composite beam on the connecting end of the beam.

The present invention has the following beneficial effects:

(1) The design of the composite column of the present invention is centered on the steel insert, which ensures that the column is connected and fixed, the wood block can reduce the demand for large-scale wood, and the FRP fiber cloth ensures the strength and connection of the composite column;

(2) In the design of the composite beam of the present invention, the beam is divided into three parts, the force is clear and the strength verification is simple, and the main body of the web is a steel plate, which can effectively solve the deflection problem;

(3) In the square steel-wood assembly node of the present invention, the main material is wood, and the steel and FRP fiber materials are scientifically combined, and the advantages of various materials are brought into play, so that the present invention can achieve higher strength while being light in weight. s level;

(4) The present invention is a fully assembled installation, the steel components are not welded, only the mortise and tenon pins and the FRP fiber cloth are used for winding installation, and the construction quality is guaranteed. In the short construction period, the installation personnel can be guaranteed without special training. High level of construction quality.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is a schematic diagram of a combined column structure;

Figure 3 is a structural diagram of a steel plug-in;

Figure 4 is a schematic diagram of the structure of the filled wooden block;

Fig. 5 is the structural representation of node tenon and mortise assembly;

Figure 6 is a structural schematic diagram of a column connector;

Figure 7 is a structural schematic diagram of a beam connector;

Figure 8 is one of the structural schematic diagrams of the beam connector I;

Fig. 9 is the second structural schematic diagram of beam connector I;

Figure 10 is a schematic structural diagram of the beam connector II;

Figure 11 is a schematic diagram of the opposite installation of the beam connector II;

Figure 12 is a schematic diagram of the installation of beam connector I and beam connector II;

Figure 13 is the completed installation diagram of the beam connector I and the beam connector II;

Figure 14 is a schematic diagram of the beam connection end structure;

Figure 15 is a schematic diagram of the structure of the central connection block;

Figure 16 is a schematic diagram of a combined column structure;

Figure 17 is a schematic diagram of the structure of the upper wood plug-in;

Figure 18 is a schematic structural diagram of an intermediate steel plate;

Figure 19 is a schematic diagram of the structure of the lower wood insert;

Fig. 20 is the installation step diagram of the present invention;

Wherein, the above drawings include the following reference signs: 1. Combined column; 11. Steel insert; 1101, central connecting column; 1102, connecting plate; 1103, enclosure plate; , groove IV; 13, FRP fiber cloth;

2. Composite beam; 21. Upper wood insert; 2101, Upper wing plate; 2102, Side insert plate II; 2103, Slot I; 22, Middle steel plate; 2201, Side web; , slot IV; 23, lower wood insert; 2301, lower wing; 2302, center insert II; 2303, side insert III; 2304, slot III;

3. Node mortise and tenon components; 31. Column connector; 3101, window; 3102, column connection end; 32, beam connector I; 3201, plug board; 3202, cutting strip; 3203, groove I; ;33, beam connector II; 3301, insert block; 3302, groove II; 34, beam connection end; 3401, center connection block; 3402, side connection block; 3403, center insert plate I; 3404, side insert plate I ; 3405, slot II.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, the mortise and tenon square steel-wood assembly node of the present invention comprises a composite column 1, a composite beam 2 and a node mortise and tenon assembly 3, and the composite column 1 and the composite beam 2 are connected by the node mortise and tenon assembly 3;

As shown in Figures 2-4, the combined column 1 includes a steel insert 11 and a wooden block 12. The steel insert 11 includes a central connecting column 1101, a connecting plate 1102 and a shroud 1103. The central connecting column 1101 is a square column, and the central connecting column is a square column. A connecting plate 1102 protrudes vertically from the four sides of the column 1101. The end of the connecting plate 1102 is vertically fixed with an enclosure plate 1103. The left and right ends of the enclosure plate 1103 are folded inward. The two connecting plates 1102 enclose a square space with one corner open, and four square spaces are formed on the steel insert 11; a piece of filling wood 12 is inserted into each square space, and the section of the filling wood block 12 matches that of the square space.

As shown in Figures 5-6, the node tenon-mortise assembly 3 includes a column connector 31, a beam connector and a beam connector end 34; the four sides of the column connector 31 are provided with windows for inserting the beam connector 3101 , the upper and lower ends of the column connector 31 are both column connecting ends 3102 , and the column connecting ends 3102 are connected to the combined column 1 .

As shown in FIG. 7 , the beam connector includes two beam connectors I32 and two beam connectors II33 connected together by tenon and mortise. The other end of the beam connector I32 and the beam connector II33 is the beam connector end 34. The beam connecting end 34 is connected to the composite beam 2 .

As shown in Figures 7-14, one end of the beam connector I32 is a tenon connection end, one end is a beam connection end 34, one end of the beam connector II33 is a 90 connection end, and one end is a beam connection end 34. The two beam connectors I32 The tenon connection ends of the two beam connectors are inserted into the window 3101 of the column connector 31, respectively, the mortise connection ends of the two beam connectors II33 are respectively inserted into the window 3101 of the column connector 31, and the tenon connection ends of the two beam connectors I32 The connecting ends of the two beam connectors II339 are connected together by tenon and mortise.

As shown in FIG. 8 , a plug-in board 3201 and two upper and lower strips 3202 are arranged in the middle of the beam connector I32. The plug-in board 3201 is located on one side of the plug-in strip 3202. The lower surface is on the same plane, the lower surface of the insert plate 3201 and the upper surface of the lower insert are on the same plane, the end of the insert plate 3201 is stepped, and both ends of the inner side of the insert 3202 are provided with grooves I3203; One side of the beam connector II 33 is provided with insert blocks 3301, the left and right sides of the insert block 3301 are respectively staggered with grooves II 3302, and the grooves II 3302 are correspondingly arranged with the ends of the two insert plates 3201; the two beam connectors described II33 is inserted into the opposite window 3101, and the two insert blocks 3301 are overlapped; the two beam connectors I32 are inserted into the opposite window 3101, the ends of the two insert plates 3201 are respectively inserted into the groove II 3302, and the two inserts 3202 are inserted into the opposite sides respectively. To the upper and lower sides of the insert board 3201, the grooves I3203 on the two upper inserts and the two lower inserts are connected to form a square groove, and a wooden plug 3204 is inserted into the square groove.

As shown in FIGS. 14-15 , the beam connecting end 34 includes a center connecting block 3401 and two side connecting blocks 3402 , the two side connecting blocks 3402 are symmetrically arranged on both sides of the center connecting block 3401 , and the center connecting block 3401 includes a center connecting block 3401 . Insert I3403 and two side inserts I3404. The two side inserts I3404 are symmetrically arranged on both sides of the central insert I3403. A slot II3405 is formed between the center insert I3403 and the insert I3404, and the center insert I3403 is higher than the side insert. Plate I3404.

As shown in FIG. 16 , the composite beam 2 is an I-beam, including an upper layer of wood inserts 21, an intermediate steel plate piece 22 and a lower layer of wood inserts 23, and the upper layer of wood inserts 21 and the lower layer of wood inserts 23 are inserted through the middle steel plate piece 22. , the upper wooden insert 21 and the lower wooden insert 23 are fixedly connected to the connecting end 34 respectively.

As shown in FIG. 17 , the cross section of the upper wood insert 21 is π-shaped, and includes an upper wing plate 2101 and two parallel side insert boards II 2102, and a slot I 2103 is formed between the two parallel side insert boards II 2102.

As shown in FIG. 18 , the middle steel plate member 22 includes two symmetrically arranged web assemblies, each web assembly includes a side web 2201 and an L-shaped folded plate 2202 , and the L-shaped folded plate 2202 is vertically fixed on the side belly At the center of the plate 2201, a slot IV 2203 is formed between the L-shaped folded plate 2202 and the side web 2201;

As shown in FIG. 19 , the lower wood insert 23 includes a lower wing plate 2301 and a center insert board assembly. The center insert board assembly includes a center insert board II 2302 and a side insert board III 2303. The side insert board III 2303 is symmetrically arranged on the center insert board II 2302. On both sides, a slot III 2304 is formed between the side insert plate III 2303 and the center insert plate II 2302, the center insert plate II 2302 is higher than the side insert plate III 2303; the length of one end of the lower wing plate 2301 is greater than the length of the center insert plate assembly;

The protruding end of the lower wing plate 2301 is inserted into the bottom surface of the beam connecting end 34 and is fixedly connected with the beam connecting end 34, the center plug board assembly of the lower layer wood insert is aligned with the center connecting block 3401, and the middle steel plate piece 22 is installed on the lower layer wood insert. Above the center board assembly and the center connecting block 3401, the upper wood board 21 is installed above the middle steel plate 22, so that the side board I 3404 and the side board Ⅲ 2303 are inserted into the slot IV 2203, and the L-shaped folded plates 2202 are inserted into the slots respectively. In II3405 and slot III2304, the center insert plate I3403 and the center insert plate II2302 pass between the two L-shaped folded plates 2202 and then insert into the slot I2103, and the upper wood insert 21 is fixedly connected to the beam connecting end 34.

As shown in Figure 20, the mortise and tenon square steel-wood assembly node of the present invention comprises the following steps:

Step 1: Assemble the combined column 1, insert the filling wood block 12 into the steel insert 11, the steel insert 11 is higher than the filling wood block, and wrap the FRP fiber cloth 13 around the steel insert 11;

The second step: install the column connector 31, and insert the column connector 31 into the steel insert 11;

The third step: install the beam connector, first insert the two beam connectors II33 into the two windows 3101 of the column connector, and then insert the two beam connectors I32 into the other two windows 3101, so that the beam The connecting piece I32 and the beam connecting piece II33 are connected by tenon and mortise, and finally the wooden plug 34 is inserted into the square groove of the cutting strip;

Step 4: Install the composite beam 2, and install the composite beam 2 on the beam connection end 34:

(a) Insert the protruding end of the lower wing plate 2301 into the bottom surface of the beam connecting end 34 and be fixedly connected with the beam connecting end 34, and the center plug board assembly of the lower wood insert is aligned with the center connecting block 3401;

(b) The middle steel plate piece 22 is installed above the center insert board assembly and the center connecting block 3401 of the lower wood insert, so that the side insert plate I3404 and the side insert plate III 2303 are inserted into the slot IV 2203, and the L-shaped folded plates 2202 are inserted into the slots respectively. Ⅱ3405, in slot Ⅲ2304;

(c) The upper wooden insert 21 is installed above the middle steel plate piece 22, the center insert I3403 and the center insert II 2302 pass between the two L-shaped folded plates 2202 and then are inserted into the slot I2103, the upper wooden insert 21 and the beam connection end 34 fixed connections.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A mortise-and-mortise square steel-wood assembly node, characterized in that it comprises a composite column (1), a composite beam (2) and a node mortise-and-mortise assembly (3), the composite column (1) and the composite beam (2) passing through The node tenon and mortise assembly (3) is connected;

The combined column (1) includes a steel insert (11) and a filled wooden block (12), the steel insert (11) includes a central connecting column (1101), a connecting plate (1102) and a shroud (1103), and the central connecting column ( 1101) is a square column, a connecting plate (1102) protrudes vertically from the four sides of the central connecting column (1101), and the end of the connecting plate (1102) is vertically fixed with a surrounding plate (1103), and the surrounding plate (1103) is left and right. The two ends are folded inward, the adjacent two surrounding plates (1103) and the adjacent two connecting plates (1102) form a square space with an opening at one corner, and four square spaces are formed on the steel insert (11); each square A piece of filling wood block (12) is inserted in the space, and the section of the filling wood block (12) matches the section of the square space;

The node tenon-mortise assembly (3) includes a column connector (31), a beam connector and a beam connector end (34); four sides of the column connector (31) are provided with windows for inserting the beam connector (3101), the upper and lower ends of the column connector (31) are both column connecting ends (3102), and the column connecting ends (3102) are connected to the combined column (1);

The beam connector includes two beam connectors I (32) and two beam connectors II (33) connected together by tenon and mortise, the other ends of the beam connector I (32) and the beam connector II (33) is a beam connecting end (34), and the beam connecting end (34) is connected to the composite beam (2);

The composite beam (2) is an I-beam, and includes an upper-layer wood insert (21), an intermediate steel plate piece (22) and a lower-layer wood insert (23), and the upper layer of wood insert (21) and the lower layer of wood insert (23) pass through. The middle steel plate piece (22) is inserted and connected, and the upper wooden insert (21) and the lower wooden insert (23) are respectively fixedly connected with the connecting end (34).
The tenon-and-mortise square steel-wood assembly node according to claim 1, wherein one end of the beam connector I (32) is a tenon connector end, one end is a beam connector end (34), and the beam connector II (33) ) one end is the socket connection end, the other end is the beam connection end (34), the tenon connection ends of the two beam connectors I (32) are inserted into the window (3101) of the column connector (31) oppositely, and the two beams are connected The socket connecting ends of component II (33) are inserted into the windows (3101) of the column connector (31) facing each other, and the tenon connecting ends of the two beam connectors I (32) and the two beam connectors II (33) sockets The connection ends are connected together by tenon and mortise.
The tenon-and-mortise square steel-wood assembly node according to claim 2, wherein a plug board (3201) and two upper and lower cutting strips (3202) are arranged in the middle of the beam connector I (32), The board (3201) is located on one side of the insert (3202), the upper surface of the insert (3201) and the lower surface of the upper insert are on the same plane, and the lower surface of the insert (3201) and the upper surface of the lower insert are on the same plane Plane, the end of the insert plate (3201) is stepped, and both ends of the inner side of the insert strip (3202) are provided with grooves I (3203);

One side of the beam connector II (33) is provided with an insert block (3301), and grooves II (3302) are staggered on the left and right sides of the insert block (3301) respectively. The groove II (3302) and the insert plate (3201) ) corresponding to the end of the setting;

The two beam connectors II (33) are inserted into the window (3101) facing each other, and the two insert blocks (3301) are arranged to overlap; the two beam connectors I (32) are inserted into the window (3101) facing each other, two The ends of the plug board (3201) are respectively inserted into the groove II (3302), the two plug strips (3202) are respectively inserted into the upper and lower sides of the opposite plug board (3201), The grooves I (3203) are all butted to form a square groove, and a wooden latch (3204) is inserted into the square groove.
The tenon-and-mortise square steel-wood assembly node according to claim 3, wherein the beam connecting end (34) comprises a central connecting block (3401) and two side connecting blocks (3402), and the two side connecting blocks are connected The blocks (3402) are symmetrically arranged on both sides of the central connecting block (3401), and the central connecting block (3401) includes a central plugboard I (3403) and two side plugboards I (3404), and two side plugboards I (3404) Symmetrically arranged on both sides of the center board I (3403), a slot II (3405) is formed between the center board I (3403) and the board I (3404), and the center board I (3403) is higher than the side board I (3404).
The tenon-and-mortise square steel-wood assembly node according to claim 4, wherein the cross-section of the upper wood insert (21) is π-shaped, and comprises an upper wing plate (2101) and two parallel side inserts Board II (2102), a slot I (2103) is formed between two parallel side insert boards II (2102);

The middle steel plate member (22) includes two symmetrically arranged web assemblies, each web assembly includes a side web (2201) and an L-shaped folded plate (2202), and the L-shaped folded plate (2202) is vertically fixed on the At the center position of the side web (2201), a slot IV (2203) is formed between the L-shaped folded plate (2202) and the side web (2201);

The lower-layer wood insert (23) includes a lower wing plate (2301) and a center insert plate assembly, and the center insert plate assembly includes a center insert plate II (2302) and a side insert plate III (2303), and the side insert plate III (2303) Symmetrically arranged on both sides of the center board II (2302), a slot III (2304) is formed between the side board III (2303) and the center board II (2302), and the center board II (2302) is higher than the side board Ⅲ (2303); the length of one end of the lower wing plate (2301) is greater than the length of the center plug board assembly;

The protruding end of the lower wing plate (2301) is inserted into the bottom surface of the beam connecting end (34) and is fixedly connected with the beam connecting end (34). The steel plate piece (22) is installed above the center plug board assembly and the central connecting block (3401) of the lower wood insert, and the upper wood insert (21) is installed above the middle steel plate piece (22), so that the side insert plate I (3404), the side Insert board III (2303) is inserted into slot IV (2203), L-shaped folded plate (2202) is inserted into slot II (3405) and slot III (2304) respectively, center insert plate I (3403) and center insert The board II (2302) is inserted into the slot I (2103) after passing between the two L-shaped folded boards (2202), and the upper wood insert (21) is fixedly connected with the beam connecting end (34).
The tenon-and-mortise square steel-wood assembly node according to claim 1, wherein a corner of the filling block (12) is a groove III (1201) matching a corner of the central connecting column (1101), and is opposite to the groove A groove IV (1202) that matches the folded edge of the enclosure plate (1103) is provided on both sides of the panel.
The tenon-and-mortise square steel-wood assembly node according to claim 1, characterized in that, the periphery of the assembly column (1) is also covered with FRP fiber cloth (13).
The tenon-and-mortise square steel-wood assembly node according to claim 1, wherein the upper and lower end faces of the beam connecting end (34) are lower than the upper and lower end faces of the beam connecting piece.
A method for installing a mortise-and-mortise square steel-wood assembly node according to any of the preceding claims, characterized in that, comprising the steps of:

Step 1: Assemble the combined column (1), insert the filled wood block (12) into the steel insert (11), the steel insert (11) is higher than the filled wood block, and coat the steel insert (11) with FRP fiber cloth (13);

The second step: install the column connector (31), and insert the column connector (31) into the steel insert (11);

Step 3: Install the beam connector, first insert the two beam connectors II (33) into the two windows (3101) of the column connector, and then insert the two beam connectors I (32) into the other In the two windows (3101), the beam connector I (32) and the beam connector II (33) are connected by tenon and mortise, and finally the wooden latch (34) is inserted into the square groove of the cutting strip;

Step 4: Install the composite beam (2), and install the composite beam (2) on the beam connection end (34):

(a) insert the protruding end of the lower wing plate (2301) into the bottom surface of the beam connecting end (34) and be fixedly connected with the beam connecting end (34), and the center plug board assembly of the lower wood insert is aligned with the center connecting block (3401);

(b) The middle steel plate piece (22) is installed above the center board assembly and the center connecting block (3401) of the lower wood board, so that the side board I (3404) and the side board III (2303) are inserted into the slot IV ( 2203), the L-shaped folded plate (2202) is inserted into the slot II (3405) and the slot III (2304) respectively;

(c) The upper wood insert (21) is installed above the middle steel plate (22), and the center insert I (3403) and the center insert II (2302) pass through between the two L-shaped folded plates (2202) and then insert the insert In the slot I (2103), the upper wood insert (21) is fixedly connected with the beam connecting end (34).