CN112064786B

CN112064786B - Frame structure building

Info

Publication number: CN112064786B
Application number: CN202010759216.1A
Authority: CN
Inventors: 阮卜琴; 牛胜良
Original assignee: Zhejiang Topsun Logistic Control Co Ltd
Current assignee: Zhejiang Topsun Logistic Control Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2022-04-12
Anticipated expiration: 2040-07-31
Also published as: CN112064786A

Abstract

The invention provides a frame structure building, and belongs to the technical field of buildings. The problem that the connecting mode between the upright post and the cross beam in the existing frame structure building is complex in structure is solved. This frame construction building includes stand and crossbeam, and the inside that has side opening and stand on the lateral wall of stand has pours the passageway, and the inside chamber of pouring that has of crossbeam, the top surface of crossbeam have be used for pouring the mouth of pouring that the chamber was pour, the tip fixed connection of crossbeam just on the lateral wall of stand the chamber of pouring of crossbeam passes through the side opening is linked together with the inner chamber of stand, and the passageway of pouring of side opening top and the passageway of pouring of side opening below link up each other. The invention greatly improves the integrity of concrete at the joint of the upright post and the cross beam, ensures stable connection between the upright post and the cross beam, and also has the advantages of simple structure, convenient construction and low construction cost.

Description

Frame structure building

Technical Field

The invention belongs to the technical field of buildings, and relates to a frame structure building.

Background

The frame structure building is a brand-new building type which is introduced along with the development of building science and technology in recent 20 years, and the steel and concrete materials are combined into a whole and are stressed and deformed coordinately, so that the material characteristics of steel and concrete are exerted, and the steel-concrete structure building has the outstanding advantages of high bearing capacity, good earthquake resistance and the like.

The frame part of the existing frame structure building is composed of upright posts and cross beams, and the end parts of the cross beams are connected with the upright posts, so that the upright posts support the cross beams. In the prior art, the stand column and the cross beam are connected by a bracket structure. For example, the Chinese patent document discloses a steel structure (application number: 201610081829.8; grant publication number: CN106049677B), which comprises a vertical column and a beam, wherein the vertical column comprises a support column and a bracket structure. The bracket structure comprises a sleeve and a connecting piece, the connecting piece comprises a first connecting pipe and two second connecting pipes, two ends of the first connecting pipe are connected with the wall of the sleeve in a welded mode, one end of each second sleeve is connected with the wall of the sleeve in a welded mode, and the other end of each second sleeve is connected with the first wall of the first sleeve in a welded mode. During installation, the main beam penetrates through a first tube cavity of the first connecting pipe, and the secondary beam penetrates through second tube cavities of the two second connecting pipes, so that the connection of the stand column, the main beam and the secondary beam is realized. Although such a connection mode makes the main beam and the first connection pipe, the secondary beam and the second connection pipe all have a larger contact area, and the stability is good, there are some deficiencies: firstly, need set up a first connecting pipe and two second connecting pipes in the girder, lead to the member more, the structure is comparatively complicated. Moreover, mutual hole aligning and welding are needed between the first connecting pipe and the second connecting pipe, the hole aligning and welding are needed between the first connecting pipe and the stand column and between the second connecting pipe and the stand column, meanwhile, because the main beam and the secondary beam need to penetrate through the stand column, the secondary beam needs to be provided with a hole in the main beam to penetrate through, construction procedures are multiple, the construction period is long, and the construction cost is high.

At present, under the stable prerequisite of guaranteeing crossbeam and stand connection, in the consideration of simplifying structure and construction convenience, the conventional structure of adoption is:

1. the cross beam is connected to the side wall of the upright post, and a support component is welded or screwed on the side wall of the upright post to support the cross beam. Such as a construction steel structure connecting device disclosed in Chinese patent literature (application No. 201020665648.8; No. CN 202000492U).

2. The reinforcing is assisted by the bolts between the cross beam and the stand column, so that the requirement on the supporting strength of the cross beam supporting part (bracket structure) on the stand column is lowered, the structure of the cross beam supporting part can be simplified, and the connecting structure between the stand column and the cross beam is simplified.

Disclosure of Invention

The invention aims to provide a frame structure building aiming at the problems in the prior art, and the frame structure building provided by the invention is used for solving the problem that the connection mode between the upright post and the cross beam in the existing frame structure building is complex in structure.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a frame construction building, includes stand and crossbeam, the inside that has side opening and stand on the lateral wall of stand has pours the passageway, a serial communication port, the inside chamber of pouring that has of crossbeam, and the top surface of crossbeam has and is used for pouring the mouth of pouring that the chamber was pour, the tip fixed connection of crossbeam just on the lateral wall of stand the chamber of pouring of crossbeam passes through the inner chamber of side opening and stand is linked together, the passageway of pouring of side opening top link up with the passageway of pouring of side opening below each other.

After the stand is connected with the crossbeam and is fixed, still need carry out later stage concrete placement's process, when pouring, the inside of crossbeam has the cavity of pouring and the top surface of crossbeam has pours the mouth for can be to the inside concrete of pouring of crossbeam, equally, the inside concrete of can also pouring of hollow structure's stand. In the connecting structure, the cross beam is fixedly connected to the side wall of the stand column, and the inner cavity of the stand column above the side hole is communicated with the inner cavity of the stand column below the side hole, so that after concrete is poured into the stand column, the concrete at the side hole, above the side hole and below the side hole forms a whole and is well coagulated together, and cannot be cut by the cross beam to form a concrete section. Meanwhile, the pouring cavity of the cross beam is communicated with the inner cavity of the upright post, so that after concrete is poured into the cross beam, the concrete in the cross beam and the concrete in the upright post form a whole. Obviously, this frame construction building has promoted the wholeness of the concrete of stand with the crossbeam junction greatly for the firm degree greatly increased of concrete, and then on having saved the basis that additionally set up connecting elements, can guarantee equally that the connection between stand and the crossbeam has higher stability, and make the connection structure between stand and the crossbeam obtain simplifying, and it is also comparatively convenient to be under construction.

In the above-mentioned frame structure building, the cross beam includes a main beam and a support member connected to an end of the main beam, and the support member is inserted into the side hole of the pillar and welded to the pillar. The support piece and the stand column are fixed by welding, construction is convenient, and welding can ensure that the support piece and the stand column have good connection performance. Meanwhile, the split type main beam and the support piece are connected to form the cross beam in the frame structure building, the support piece can be welded to the stand column firstly during welding, and after the support piece is welded, the main beam is connected to the support piece to complete the installation of the cross beam. Due to the fact that the self weight of the supporting piece is light, the welding mode is convenient to weld, the installation precision of the supporting piece can be adjusted conveniently before welding, and finally the welding precision and the welding quality are guaranteed.

In the above-mentioned frame structure building, an end portion of the support member, which is inserted into the column, protrudes from an inner wall of the column, and a portion of the support member, which protrudes from the inner wall of the column, is welded with the auxiliary welding member, and the auxiliary welding member is welded with the inner wall of the column. Support piece and the inner wall of a tip part protrusion stand of pegging graft mutually of stand, support piece only stretches into the downthehole very short distance of curb, such structure not only guarantees that support piece can not cut off the inner chamber of stand, guarantee the wholeness of concrete in the stand inner chamber, moreover, the part of the inner wall of support piece protrusion stand can also add the welding auxiliary welding spare, it is more firm to make to be connected between support piece and the stand, can pour the in-process of concrete and concrete of vibrating at the later stage, guarantee support piece's stability throughout.

In foretell frame construction building, the side opening is the rectangular hole, support piece includes the curb plate of two vertical settings and connects the bottom plate between the base of two blocks of curb plates, two blocks of curb plates of support piece paste respectively and lean on the both vertical sides of side opening, support piece's bottom surface is taken and is leaned on the base of side opening. Through such design for side opening and support piece have higher degree of adaptability, thereby conveniently fix a position support piece when the welding, promote welding quality and welding precision. Moreover, such design still makes two blocks of curb plates and the bottom surface homoenergetic of support piece weld with the side opening edge, further promotes welded joint strength.

In foretell frame construction building, assist the weldment for screw-thread steel and assist the vertical setting of weldment, the edge of two vertical sides of side opening has welded respectively one should assist the weldment, and one of them assists the weldment and supports piece wherein the lateral wall of a curb plate pastes and leans on and welds, and another one assists the weldment and supports piece another lateral wall of a curb plate and pastes and weld. When adopting the screw-thread steel as the auxiliary weldment, because the screw-thread steel is the edge of bar and vertical setting at the side opening, consequently can with the inner wall of stand and support piece's curb plate between form great welding area, and then guarantee welded joint strength. Simultaneously, the welding has two to assist the weldment on every support piece, compares its welded joint strength of single supplementary weldment and also obtains promoting. The deformed steel bar surface has concave-convex structure's screw thread, and after pouring the completion, the deformed steel bar can combine and more firm durable with the concrete to can consolidate the connected node of crossbeam and stand better, guarantee the stability that crossbeam and stand are connected. In addition, the deformed steel bar is convenient to obtain, and the whole deformed steel bar is in a bar shape, so that the welding process is also convenient, and the quick construction is favorably realized.

In the above-described frame structure building, the upper end of the auxiliary welding member is higher than the top edge of the side plate and the top edge of the side plate is welded to the auxiliary welding member, and the lower end of the auxiliary welding member is lower than the bottom edge of the side plate and the bottom edge of the side plate is welded to the auxiliary welding member. Through adopting the auxiliary welding piece with longer length, the top edge and the bottom edge of the side plate can be welded on the auxiliary welding piece, the welding area is increased, and the welding connection strength is improved. And, the area of contact of longer auxiliary weldment and concrete increases, can further promote the fastness of auxiliary weldment and concrete combination to can consolidate the connected node of crossbeam and stand better.

In foretell frame construction building, the stand is rectangle side pipe, assist the weldment for the bar metalwork and assist the vertical setting of weldment, assist the weldment to have two mutually perpendicular's connection lateral wall, one of them connection lateral wall of assisting the weldment is pasted and is welded with support piece's curb plate, and another connection lateral wall of assisting the weldment is pasted and is welded with the inner wall of stand. The auxiliary welding part is provided with two mutually perpendicular connecting side walls, so that the side plates of the supporting part and the inner wall of the stand column can be well attached to the auxiliary welding part, welding is facilitated, and welding connection stability is guaranteed. Preferably, the cross-section of the auxiliary weldment is in the shape of a right-angled triangle.

In the above-mentioned frame structure building, the girder is the U type roof beam, the opening of U type roof beam sets up upwards and the opening of U type roof beam is foretell pouring mouth, the tip overlap joint of girder is in on the support piece, the width distance between two blocks of curb plates of support piece can supply the tip of girder from top to bottom to plug in to in the support piece. The opening at the top of the U-shaped beam extends continuously along the length direction, the width of the opening is large, concrete can be poured into the main beam conveniently, and pouring quality is guaranteed. In addition, the supporting piece is also in a U-shaped plate shape, so that the U-shaped beam is convenient to mount when the end part of the U-shaped beam is abutted against the supporting piece. In the actual construction process, two ends of the cross beam are supported on different stand columns through supporting pieces respectively. Specifically, when the cross beam is installed between the two stand columns, the support pieces are only needed to be welded on the two stand columns respectively, and then the main beams for the cross-column pieces are lapped, so that the construction is very convenient, and the construction efficiency can be improved. Preferably, the main beam is a U-shaped steel beam which has the characteristics of large bearing pressure and difficult deformation.

In the above-mentioned frame structure building, the bottom surface of the main beam is attached to and welded to the bottom plate of the support member, and the left and right side walls of the main beam are attached to and welded to the two side plates of the support member. Through such design for the girder is high with support piece laminating degree, and welding area is big, connects also comparatively stably.

In the above-mentioned frame structure building, the bottom plate of the supporting member is welded to the bottom side of the side hole, and the two side plates of the supporting member are welded to the side edges corresponding to the side hole. Through the design, the connection between the supporting piece and the upright post is more stable.

Compared with the prior art, the frame structure building has the following advantages:

1. in this frame construction building, after concreting in later stage, the concrete of side opening department, side opening top and side opening below forms wholly, and the inside concrete of crossbeam also can form wholly with the inside concrete of stand simultaneously, has consequently promoted the wholeness of the concrete of stand with the crossbeam junction greatly for be connected stably between stand and the crossbeam, and still have simple structure, construction convenience, advantage that construction cost is low.

2. In this frame construction building, it has welded the screw-thread steel to add between stand and the crossbeam, because the screw-thread steel surface has concave-convex structure's screw thread, after pouring the completion, the screw-thread steel can combine and more firm durable with the concrete to can consolidate the connected node of crossbeam and stand better, guarantee the stability that crossbeam and stand are connected.

Drawings

Fig. 1 is a schematic perspective view of a beam and two columns of the present invention when connected.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a partial exploded view of the present frame structure building.

Fig. 4 is a schematic perspective view of the connection between a single beam and a column according to the present invention.

Fig. 5 is a schematic perspective view of a soldering assistant member in the first embodiment of the present invention.

Fig. 6 is a cross-sectional view of the columns and beams after concrete has been poured therein.

Fig. 7 is an enlarged view at a in fig. 6.

Fig. 8 is a perspective view of the upright post connected to four support members.

Fig. 9 is a schematic view of a frame structure formed by connecting a vertical column and a cross beam.

Fig. 10 is a schematic perspective view of a single cross beam connected to a vertical column according to a second embodiment of the present invention.

In the figure, 1, a column; 11. pouring a channel; 12. a side hole; 2. a cross beam; 21. pouring a cavity; 22. pouring a mouth; 23. a main beam; 24. a support member; 241. a side plate; 242. a base plate; 3. auxiliary welding parts; 31. connecting the side walls.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, 2 and 3, in the frame structure building, the upright 1 is a rectangular square tube, the interior of the upright 1 is hollow to form a pouring channel 11, the connection structure of the upright 1 and the beam 2 includes a side hole 12 arranged on the side wall of the upright 1, and the side hole 12 is a rectangular hole. The beam 2 is internally provided with a pouring cavity 21, and the top surface of the beam 2 is provided with a pouring opening 22 for pouring the pouring cavity 21. Specifically, as shown in fig. 3, the main beam 23 includes a main beam 23 and two supporting members 24 respectively connected to the ends of the main beam 23, the supporting members 24 are U-shaped steel plates, and the supporting members 24 include two side plates 241 vertically arranged and a bottom plate 242 connected between the bottom edges of the two side plates 241. The main beam 23 is a U-shaped steel beam, the opening of the U-shaped beam is arranged upwards, and the pouring opening 22 is the opening of the U-shaped beam. The width distance between the two side plates 241 of the support 24 enables the end of the main beam 23 to be inserted into the support 24 from top to bottom, so that the end of the main beam 23 is overlapped on the support 24, the bottom surface of the main beam 23 is attached to and welded with the bottom plate 242 of the support 24, and the left and right side walls of the main beam 23 are attached to and welded with the two side plates 241 of the support 24.

As shown in fig. 1 and 2, during actual construction, two ends of the cross beam 2 are supported on different columns 1 through a support 24. Specifically, when the cross beam 2 is installed between two upright posts 1, the upper supporting pieces 24 are only needed to be welded on the two upright posts 1 respectively, and then the cross-post pieces are lapped by the main beams 23, so that the construction is very convenient.

In order to connect the upright post 1 and the cross beam 2, as shown in fig. 4, the supporting member 24 is inserted into the side hole 12 of the upright post 1, two side plates 241 of the supporting member 24 respectively abut against two vertical side edges of the side hole 12, and the bottom surface of the supporting member 24 abuts against the bottom edge of the side hole 12. Meanwhile, the bottom plate 242 of the support member 24 is welded to the bottom edge of the side hole 12, and the two side plates 241 of the support member 24 are welded to the corresponding side edges of the side hole 12.

In order to further improve the connection stability between the upright post 1 and the cross beam 2, as shown in fig. 4, one end part of the support member 24 inserted into the upright post 1 protrudes out of the inner wall of the upright post 1, the part of the support member 24 protruding out of the inner wall of the upright post 1 is welded with the auxiliary welding member 3, and the auxiliary welding member 3 is welded with the inner wall of the upright post 1. In this embodiment, as shown in fig. 4 and 5, the auxiliary welding members 3 are made of deformed steel bar and are vertically disposed, one auxiliary welding member 3 is welded to the edges of two vertical sides of the side hole 12, one auxiliary welding member 3 abuts against and is welded to the outer side wall of one side plate 241 of the supporting member 24, and the other auxiliary welding member 3 abuts against and is welded to the outer side wall of the other side plate 241 of the supporting member 24. In the selection of the length of auxiliary weldment 3, it is preferable that the length of auxiliary weldment 3 is greater than the width of side plate 241 of support member 24 in the vertical direction, so that the upper end of auxiliary weldment 3 is higher than the top edge of side plate 241 and the top edge of side plate 241 is welded to auxiliary weldment 3, and the lower end of auxiliary weldment 3 is lower than the bottom edge of side plate 241 and the bottom edge of side plate 241 is welded to auxiliary weldment 3, thereby increasing the welding area and improving the welding connection strength. And, the area of contact of longer auxiliary weldment 3 and concrete increases, can further promote the fastness of auxiliary weldment 3 and concrete combination to can consolidate the connected node of crossbeam 2 and stand 1 better.

As shown in fig. 6 and 7, in the connection structure of the upright post 1 and the cross beam 2, because one end portion of the support member 24 inserted into the upright post 1 protrudes out of the inner wall of the upright post 1, that is, the support member 24 only extends into the side hole 12 for a short distance, the support member 24 does not block the inner cavity of the upright post 1, so that the pouring channel 11 above the side hole 12 is communicated with the pouring channel 11 below the side hole 12, and meanwhile, the pouring cavity 21 of the cross beam 2 is also communicated with the inner cavity of the upright post 1 through the side hole 12. Thus, after concrete is poured into the upright 1 and the cross beam 2, the concrete at the side holes 12, above the side holes 12 and below the side holes 12 is integrated and well coagulated, and cannot be cut by the cross beam 2 to form a concrete section. At the same time, the concrete inside the cross beam 2 will also form an integral body with the concrete inside the upright 1. Obviously, this connection structure of stand 1 and crossbeam 2 has promoted the concrete's of stand 1 and crossbeam 2 junction wholeness greatly for the firm degree greatly increased of concrete, and then on having saved the basis that additionally sets up connecting elements, can guarantee equally that the connection between stand 1 and the crossbeam 2 has higher stability, and make the connection structure between stand 1 and the crossbeam 2 obtain simplifying, and it is also comparatively convenient to be under construction.

As shown in fig. 8 and 9, in the actual construction process of the frame structure building, the frame part needs to be built first. In general, the number of the beams 2 connected to the vertical column 1 is different according to the installation position of the vertical column 1. Taking the upright 1 shown in fig. 8 as an example, the upright 1 is installed in the center of a building, and four beams 2 need to be connected to the upright 1 at each floor, so that the connection structure of the upright 1 and the beams 2 in the present application can be applied to connect the beams 2 and the upright 1. As shown in fig. 8, four side holes 12 are respectively formed in the position of the upright post 1 corresponding to each floor, the four side holes 12 are respectively located on four side walls of the upright post 1 and are arranged at equal heights, and a support member 24 is respectively inserted into each side hole 12. At this time, since each support member 24 is inserted into the column 1 only by a small distance, the support member 24 does not block the inner cavity of the column 1, and ensures that the pouring channel 11 above the side hole 12 and the pouring channel 11 below the side hole 12 are communicated with each other.

In addition, for the upright posts 1 at other positions, such as the corner upright post 1, since the corner upright post 1 usually only needs to be connected with two beams 2 at each floor position, the corner upright post 1 may be provided with side holes 12 only at two adjacent side walls at each floor position, of course, as shown in fig. 9, the side holes 12 may be provided at all four side walls, and the beams 2 may be connected only at two adjacent side holes 12. The advantage of setting up four side openings 12 lies in that can conveniently weld the inside plug connector of stand 1, auxiliary weldment 3.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, and different points are as follows: as shown in fig. 10, the auxiliary welding member 3 is a strip-shaped metal member, and the auxiliary welding member 3 is vertically disposed, the strip-shaped metal member has two connecting side walls 31 perpendicular to each other, one of the connecting side walls 31 of the auxiliary welding member 3 abuts against and is welded to the outer side wall of the side plate 241 of the support member 24, and the other connecting side wall 31 of the auxiliary welding member 3 abuts against and is welded to the inner wall of the pillar 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although 1, a post is used more herein; 11. pouring a channel; 12. a side hole; 2. a cross beam; 21. pouring a cavity; 22. pouring a mouth; 23. a main beam; 24. a support member; 241. a side plate; 242. a base plate; 3. auxiliary welding parts; 31. connecting side walls, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A frame structure building comprises upright posts (1) and cross beams (2), wherein side holes (12) are formed in the side walls of the upright posts (1), pouring channels (11) are formed in the upright posts (1), characterized in that a pouring cavity (21) is arranged in the beam (2), a pouring opening (22) for pouring the pouring cavity (21) is arranged on the top surface of the beam (2), the end part of the beam (2) is fixedly connected to the side wall of the upright post (1) and the pouring cavity (21) of the beam (2) is communicated with the inner cavity of the upright post (1) through the side hole (12), the pouring channel (11) above the side hole (12) is communicated with the pouring channel (11) below the side hole (12), the cross beam (2) comprises a main beam (23) and a support piece (24) connected to the end part of the main beam (23), the supporting piece (24) is inserted into the side hole (12) of the upright post (1) and welded with the upright post (1).

2. A frame structure building according to claim 1, wherein a portion of the end of the supporting member (24) to which the upright (1) is inserted protrudes from the inner wall of the upright (1), a portion of the supporting member (24) protruding from the inner wall of the upright (1) is welded with the auxiliary welding member (3), and the auxiliary welding member (3) is welded with the inner wall of the upright (1).

3. A frame structure building according to claim 2, characterized in that the side opening (12) is a rectangular opening, the supporting member (24) comprises two vertically arranged side plates (241) and a bottom plate (242) connected between the bottom edges of the two side plates (241), the two side plates (241) of the supporting member (24) are respectively abutted against the two vertical side edges of the side opening (12), and the bottom surface of the supporting member (24) is abutted against the bottom edge of the side opening (12).

4. A frame structure building according to claim 3, characterized in that the auxiliary weldments (3) are screw-thread steel and the auxiliary weldments (3) are arranged vertically, one of the auxiliary weldments (3) is welded to the edge of each of the two vertical sides of the side hole (12), one of the auxiliary weldments (3) is attached to and welded to the outer side wall of one of the side plates (241) of the supporting member (24), and the other auxiliary weldments (3) is attached to and welded to the outer side wall of the other side plate (241) of the supporting member (24).

5. A frame structure building according to claim 4, characterized in that the upper end of the auxiliary weldments (3) is higher than the top edge of the side panel (241) and the top edge of the side panel (241) is welded with the auxiliary weldments (3), the lower end of the auxiliary weldments (3) is lower than the bottom edge of the side panel (241) and the bottom edge of the side panel (241) is welded with the auxiliary weldments (3).

6. The frame structure building according to claim 3, wherein the upright column (1) is a rectangular square tube, the auxiliary welding member (3) is a strip-shaped metal member, the auxiliary welding member (3) is vertically arranged, the auxiliary welding member (3) is provided with two mutually perpendicular connecting side walls (31), one connecting side wall (31) of the auxiliary welding member (3) is attached to and welded with the side plate (241) of the support member (24), and the other connecting side wall (31) of the auxiliary welding member (3) is attached to and welded with the inner wall of the upright column (1).

7. The frame structure building as claimed in any one of claims 1 to 6, characterized in that the main beam (23) is a U-shaped beam, the opening of the U-shaped beam is arranged upward and the opening of the U-shaped beam is the pouring opening (22), the end of the main beam (23) is lapped on the support member (24), and the width distance between the two side plates (241) of the support member (24) is such that the end of the main beam (23) can be inserted into the support member (24) from top to bottom.

8. A frame structure building according to claim 7, characterized in that the bottom surface of the main beam (23) abuts against and is welded to the bottom plate (242) of the support member (24), and the left and right side walls of the main beam (23) abut against and are welded to the two side plates (241) of the support member (24).

9. A frame structure building according to claim 3, wherein the bottom plate (242) of the bracing member (24) is welded to the bottom edge of the side hole (12), and the two side plates (241) of the bracing member (24) are welded to the corresponding side edges of the side hole (12).