CN113668705B

CN113668705B - Raw bamboo column assembly, raw bamboo truss girder-raw bamboo column connection node and construction method

Info

Publication number: CN113668705B
Application number: CN202111237281.9A
Authority: CN
Inventors: 杜颜胜; 陈志华; 马睿; 王小盾; 李全欣
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-07-01
Anticipated expiration: 2041-10-25
Also published as: CN113668705A

Abstract

The application belongs to the technical field of building material, specifically provides an original bamboo column subassembly, includes: the joint column extends along a first direction, first fixing pieces evenly distributed along the circumferential direction of the side wall of the joint column are arranged on the side wall of the joint column, and a first gap extending along the first direction is formed at one end, far away from the joint column, of each first fixing piece; one end of the connecting sleeve is connected with two ends of the node column, and one end of the connecting sleeve, which is far away from the node column, is provided with an opening; a raw bamboo column, the raw bamboo column comprising: and the original bamboo rod extends along the first direction, one end of the original bamboo rod enters the opening, and the original bamboo rod is fixedly connected with the connecting sleeve. In the design of the technical scheme, the original bamboo columns are conveniently connected with the node columns by matching the connecting sleeves on the original bamboo columns, so that the strength of the nodes can be ensured, the mechanical property advantages of the original bamboos can be fully exerted, and the method can be applied to the assembly construction of the original bamboo beam column nodes.

Description

Raw bamboo column assembly, raw bamboo truss girder-raw bamboo column connection node and construction method

Technical Field

The application belongs to the technical field of building materials and particularly discloses a raw bamboo column assembly, a raw bamboo truss girder-raw bamboo column connection node and a construction method.

Background

Chinese bamboo resources are very rich, and the coverage area of bamboo forests and the number of bamboo varieties are in the first place in the world. But the bamboo forest is mainly distributed in remote mountain areas such as southern hilly mountain areas and the like. The raw bamboo is used as a building material for building the houses in the villages and the towns, so that the development and utilization of bamboo resources can be accelerated, and the living environment of the villages and the towns can be improved.

The original bamboo as building material has a long history in China, for example, the original bamboo poles are used as beams or columns and then connected into a frame structure. In a traditional original bamboo frame structure, beam-column joints are constructed by cutting a beam or a column into certain radian at the end part, matching and fixing the beam or the column, and then binding and connecting the beam or the column by using a palm rope hemp rope or nailing and connecting the beam or the column by using a gas nail rivet. Because former bamboo pole form is different, and diameter, the taper degree of every former bamboo pole all have certain difference, consequently traditional former bamboo beam column node need rely on experienced craftsman to process former bamboo pole when the construction, can't satisfy standardized assembly requirement, and the connected mode reliability of ligature and nail is relatively weak simultaneously, easily breaks down under the earthquake load effect, can't satisfy the design operation requirement of modern structure.

Disclosure of Invention

In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide an assembled raw bamboo column assembly, an assembled raw bamboo truss girder-raw bamboo column connection node and a construction method, which can meet the use requirements of modern structural design.

In a first aspect, a raw bamboo column assembly comprises: the joint column extends along a first direction, first fixing pieces evenly distributed along the circumferential direction of the side wall of the joint column are arranged on the side wall of the joint column, and a first gap extending along the first direction is formed at one end, far away from the joint column, of each first fixing piece; one end of the connecting sleeve is connected with two ends of the node column, and one end, far away from the node column, of the connecting sleeve is provided with an opening; a raw bamboo column, the raw bamboo column comprising: and the original bamboo rod extends along the first direction, one end of the original bamboo rod enters the opening, and the original bamboo rod is fixedly connected with the connecting sleeve.

Preferably, the node column is a square steel tube and the first fixing piece is fixedly connected to the side wall of the node column; the first fixing member includes: the clamping plates are symmetrically and fixedly connected to the side wall of the node column, and a first gap is formed between the two clamping plates; preferably, the two ends of the node column are connected with first connecting plates for fixedly connecting the connecting sleeves.

Preferably, the bottom of the connecting sleeve is provided with a second connecting plate, and the second connecting plate is connected with the first connecting plate.

Preferably, the connecting sleeve is further provided with a fixing component for fixing the raw bamboo column; the fixing assembly includes: the first through grooves are arranged on two opposite first side walls of the connecting sleeve and penetrate through the first side walls, and the first connecting columns sequentially penetrate through the two first through grooves to fix the original bamboo columns entering the connecting sleeve; the original bamboo column is provided with a first through hole for the first connecting column to penetrate through; and/or, the fixing assembly further comprises: the second through grooves are formed in two opposite second side walls of the connecting sleeve and penetrate through the second side walls, and the second connecting columns sequentially penetrate through the two second through grooves to fixedly enter the original bamboo columns in the connecting sleeve; the raw bamboo columns are provided with second through holes for the second connecting columns to penetrate through; the distance between the first through grooves and the node posts is larger than the distance between the second through grooves and the node posts.

In a second aspect, a connected node of an assembled raw bamboo truss girder and a raw bamboo column comprises: the raw bamboo column assembly of the first aspect; former bamboo truss girder, former bamboo truss girder includes: the first chord member and the second chord member are arranged in parallel, are made of raw bamboos and extend along a first direction; second connecting pieces are arranged on the first chord and the second chord at intervals respectively, and third connecting pieces are arranged at two ends of the first chord and the second chord respectively; the second connecting pieces on the first chord members and the second connecting pieces on the second chord members are arranged in a staggered mode; a web member located between the first chord and the second chord, the web member comprising: the first web member is used for obliquely connecting the second connecting piece positioned on the first chord member and the second connecting piece which is adjacent to the second connecting piece and positioned on the second chord member; and the third connecting piece positioned at one end of the first chord and one end of the second chord can enter the first gap and is fixedly connected with the first fixing piece.

Preferably, the first chord is provided with a first connecting piece adjacent to two ends; and a second connecting piece is arranged between the two first connecting pieces at intervals; the second chord is provided with a second connecting piece corresponding to the first connecting piece; the web member further includes: the second web member extends along a second direction and is used for connecting a first connecting piece and a second connecting piece which are correspondingly arranged; the second direction is perpendicular to the first direction.

Preferably, the first connecting piece is provided with a single node for connection; the second connecting piece is provided with two single nodes for connection, and the two single nodes are arranged along a first direction; two first web members are symmetrically connected to the second connecting member on the first chord member.

Preferably, the first web member and the second web member are respectively provided with a fourth connecting member at both ends thereof.

Preferably, the raw bamboo column is made of moso bamboo rods which are grown for 3-4 years, have the average diameter of 105-135mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment; the first chord and the second chord are made of moso bamboo rods which grow for 3-4 years, have the average diameter of 105-135mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment; the web members are made of moso bamboo rods which grow for 3-4 years, have an average diameter of 60-90mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment.

In a third aspect, a construction method for a connection node of a fabricated raw bamboo truss girder and a raw bamboo column according to the second aspect comprises the following steps:

assembling the raw bamboo truss girder, wherein the steps of assembling the raw bamboo truss girder are as follows:

second connecting pieces are arranged on the first chord and the second chord at intervals respectively;

the second connecting pieces on the first chord members and the second connecting pieces on the second chord members are arranged in a staggered mode;

connecting a second connecting piece positioned on the first chord member with a second connecting piece adjacent to the second connecting piece and positioned on the second chord member through a first web member;

a first connecting piece is arranged on the first chord member and close to two ends;

a second chord is provided with a second connecting piece corresponding to the first connecting piece;

connecting the correspondingly arranged first connecting piece and the second connecting piece through a second web member;

assembling the raw bamboo column assembly, wherein the steps of assembling the raw bamboo column assembly are as follows:

connecting one end of the raw bamboo column with the connecting sleeve;

connecting the connecting sleeve with two ends of the node column;

and inserting a third connecting piece positioned on the same side of the assembled original bamboo truss girder into the first gap and fixedly connecting the third connecting piece with the first fixing piece.

In summary, the application discloses a raw bamboo column assembly, an assembled raw bamboo truss girder-raw bamboo column connection node and a construction method.

The first aspect of this technical scheme discloses there is a concrete structure of raw bamboo post subassembly, and it includes: the node post, with the connecting sleeve that the node post matches and connects to reach the former bamboo post that matches and connects with the connecting sleeve. In the design of this technical scheme, through join in marriage the connecting sleeve on former bamboo post, be convenient for be connected former bamboo post and node post, can ensure the intensity of node, the mechanical properties advantage of full play former bamboo simultaneously, in addition, node post lateral wall still is equipped with the first mounting that is used for being connected with former bamboo truss roof beam.

This technical scheme's second aspect still discloses a connected node of former bamboo truss girder of assembled and former bamboo column, in the first aspect on the design basis of former bamboo column subassembly, is connected former bamboo column subassembly and former bamboo truss girder, specifically, the former bamboo truss girder of assembled includes: the first chord member and the second chord member are arranged in parallel, and the web members are used for connecting the first chord member and the second chord member. In the design of this technical scheme, the material of first chord member, second chord member and web member is the raw bamboo material, on the one hand, full play the mechanical properties advantage of raw bamboo pole. On the other hand, based on the design of first chord member, second chord member and web member, can effectively increase the cross-sectional height of roof beam under the prerequisite that does not increase the bamboo timber quantity to increase the bending rigidity of former bamboo roof beam, reduce the deformation of former bamboo roof beam under the effect of transverse load.

In conclusion, the connection node of the assembled raw bamboo truss girder and the raw bamboo columns integrates the excellent performances of the raw bamboo column assembly and the raw bamboo truss girder.

The first aspect of the technical scheme discloses a construction method of a connection node of an assembled raw bamboo truss girder and a raw bamboo column.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic structural view of a first chord and a second chord;

FIG. 2 is a schematic structural view of the first and second chords with a third connection;

FIG. 3 is a schematic structural view of the first chord and the second chord connected by the second connector;

FIG. 4 is a schematic view of the second connector of FIG. 3;

FIG. 5 is a schematic view of the first web member of FIG. 3;

FIG. 6 is a schematic view of the first chord and the second chord passing between the first connectors;

FIG. 7 is a schematic structural view of the first connector of FIG. 6;

FIG. 8 is an exploded view of the first chord, the second chord and the second web;

FIG. 9 is a schematic view of an assembled construction between a first chord, a second chord and a second web member;

FIG. 10 is a schematic view of a node post of an original bamboo post assembly;

FIG. 11 is a schematic view of the construction of a coupling sleeve in a raw bamboo column assembly;

FIG. 12 is a schematic view of the connection between the node post and the connection sleeve;

FIG. 13 is a schematic view of the connection between the bamboo column and the connection sleeve;

fig. 14 is an exploded view of a connection node of an assembled raw bamboo truss girder and a raw bamboo column;

FIG. 15 is a schematic structural view of a fabricated raw bamboo truss girder;

fig. 16 is an assembled structure diagram of a connection node of an assembled raw bamboo truss girder and a raw bamboo column.

In the figure:

10. a first chord;

20. a second chord;

30. a web member; 31. a first web member; 32. a second web member;

40. a third connecting member; 41. a third sleeve; 42. a third earpiece; 43. a third connection hole;

50. a first connection hole;

60. a second connecting member; 61. a second curved piece; 62. a second connecting sheet;

70. a fourth connecting member; 71. a fourth sleeve; 72. a fourth earpiece; 73. a fourth connection hole;

80. a second connection hole;

90. a first connecting member; 91. a first curved piece; 92. a first connecting piece.

100. A node post; 101. a first fixing member; 102. a first gap; 103. a clamping plate;

200. a connecting sleeve;

300. raw bamboo columns; 301. a first through hole; 302. a second through hole;

400. a first connecting plate;

500. a second connecting plate;

600. a fixing component; 601. a first through groove; 602. a first connecting column; 603. a second through groove; 604. a second connecting column;

700. former bamboo truss girder.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The first embodiment is as follows:

an assembled raw bamboo truss girder 700 comprising: the first chord member 10 and the second chord member 20 are arranged in parallel, and the first chord member 10 and the second chord member 20 are both made of raw bamboos and extend along a first direction; and the web members 30 are used for connecting the first chord member 10 and the second chord member 20, and the web members 30 are made of raw bamboos and are positioned between the first chord member 10 and the second chord member 20.

Wherein:

as shown in fig. 1, the first chord 10 extends along a first direction, the first chord 10 is made of raw bamboo, and preferably, the first chord 10 is made of moso bamboo rod which is grown for 3-4 years, has an average diameter of 105-135mm, and is subjected to mildew-proof, insect-proof and anti-cracking treatment. The first direction is a horizontal direction, wherein the mode of the mildew-proof, insect-proof and anti-cracking treatment is only performed by using the existing treatment technology, and the details are not repeated herein.

Specifically, as shown in fig. 2, in a preferred embodiment, the first chord 10 and the second chord 20 are respectively provided with third connecting members 40 at both ends. The two free end parts of the first chord 10 are respectively provided with a third connecting part 40, and the design of a third ear part in the third connecting part 40 can enable the two end parts of the first chord 10 to be connected with other external components. The third connecting member 40 includes: and one end of the third sleeve 41 is open and is connected with the two ends of the first chord 10 in a matching manner through the opening, and the other end of the third sleeve 41 is sealed, and a third ear piece 42 is arranged at one end of the end, which is relatively far away from the first chord 10. Optionally, two ends of the first chord 10 are provided with first connection holes 50 penetrating therethrough, and the third sleeve 41 is provided with third connection holes 43 penetrating through the third sleeve 41 in the radial direction. After the third sleeve 41 is coupled to the end of the first chord 10, the first connecting hole 50 and the third connecting hole 43 are aligned, and then bolts are used to penetrate through the first connecting hole 50 and the third connecting hole 43, so as to fixedly connect the third sleeve 41 to the first chord 10. Optionally, the diameter of the first connecting hole 50 is no more than 1/8 the diameter of the first chord 10.

As shown in fig. 1 and 2, the second chord 20 extends along the first direction, the material of the second chord 20 is raw bamboo, and preferably, the material of the second chord 20 is moso bamboo rod which is grown for 3-4 years, has an average diameter of 105-135mm and is subjected to mildew-proof, insect-proof and anti-cracking treatment. The first direction is a horizontal direction, wherein the mode of the mildew-proof, insect-proof and anti-cracking treatment is only performed by using the existing treatment technology, and the details are not repeated herein.

As shown in fig. 1 and 2, in particular, the second chord 20 is also provided with a third connecting member 40, and the third connecting member 40 is connected to the second chord 20 in a manner such as that between the first chord 10 and the third connecting member 40. Optionally, the diameter of the first connecting hole 50 is no more than 1/8 of the diameter of the second chord 20.

Based on the above design, the first chord 10 and the second chord 20 are arranged in parallel, and a web member for connecting the first chord 10 and the second chord 20 is further arranged between the first chord 10 and the second chord 20, please refer to fig. 3, in a preferred embodiment, the first chord 10 and the second chord 20 are respectively provided with second connecting members 60 at intervals; the second connecting pieces 60 on the first chord 10 and the second connecting pieces 60 on the second chord 20 are arranged in a staggered manner; the web member includes: a first web member 31 for obliquely connecting the second connecting member 60 on the first chord 10 and the second connecting member 60 adjacent to the second connecting member 60 and on the second chord 20 with the first web member 31.

A plurality of second connecting members 60 are arranged at intervals on the first chord 10, and as shown in fig. 3, five second connecting members 60 are arranged on the first chord 10.

A plurality of second connecting members 60 are arranged at intervals on the second chord 20, and as shown in fig. 3, six second connecting members 60 are arranged on the second chord 20. The second connecting pieces 60 on the first chord 10 and the second connecting pieces 60 on the second chord 20 are arranged in a staggered manner; as shown in fig. 3, based on the

second chord

20, 6 second connecting members 60 are uniformly distributed on the second chord 20, and 5 second connecting members 60 on the first chord 10 are located in the middle of two second connecting members 60 on the second chord 20 in the first direction.

Optionally, referring to fig. 4, the second connecting member includes: two second curved section pieces 61 that separate set up, and can fix between the corresponding border of two second curved section pieces, specifically, second curved section piece 61 is semi-circular staple bolt. When the two second bent pieces 61 are fixed, a space capable of accommodating the first chord or the second chord is formed therebetween. Specifically, the edges of the two second bent pieces 61 on the same side are connected through two rivet holes.

When the second connecting piece is connected with the first chord member, a second connecting piece 62 is arranged on a second curved piece 61 which is relatively positioned at the lower part, and in a preferred embodiment, two single nodes for connection are arranged on the second connecting piece 60 and are arranged along a first direction; two first web members are symmetrically connected to the second connecting member on the first chord member. Optionally, the second connecting piece 62 extends along the first direction and is provided with two single nodes thereon, specifically, the single nodes are in a hole-shaped structure.

When the second connecting member 60 is connected to the second chord 20, the second curved piece 61 located above the second connecting member is provided with a second connecting piece 62, optionally, the second connecting piece 62 extends along the first direction and is provided with two single nodes, specifically, the single nodes are in a hole-shaped structure.

Optionally, the first web member 31 is made of raw bamboo, and is preferably a moso bamboo rod which is 3-4 years old, has an average diameter of 60-90mm, and is subjected to mildew-proof, insect-proof and anti-cracking treatment. In a preferred embodiment, a fourth connecting member is provided at each end of the first web member 31 and the second web member 32.

In fig. 5, the first web member 31 is provided with fourth connecting members 70 at both ends thereof, and optionally, the fourth connecting members 70 include: and one end of the fourth sleeve 71 is open and is matched and connected with two ends of the first web member 31 through the opening, and the other end of the fourth sleeve 71 is sealed, and a fourth lug 72 is arranged at one end of the end, which is relatively far away from the first web member 31. Optionally, two ends of the second chord 20 are provided with second connection holes 80 penetrating therethrough, and the fourth sleeve 71 is provided with a fourth connection hole 73 penetrating through the fourth sleeve 71 in the radial direction; after the fourth sleeve 71 is coupled to the end of the first web member 31, the second connecting hole 80 and the fourth connecting hole 73 are aligned, and a bolt is used to penetrate through the second connecting hole 80 and the fourth connecting hole 73, so as to fixedly connect the fourth sleeve 71 and the first web member 31. Optionally, the diameter of the second connecting hole 80 does not exceed 1/8 the diameter of the first web member 31.

The fourth ear piece is intended to be connected to the second cam 61 of the second connecting piece.

Referring to fig. 3, the first web member 31 is used to obliquely connect the second connecting member 60 on the first chord 10 and the second connecting member 60 adjacent to the second connecting member 60 and on the second chord 20. As shown in fig. 3, from one end of the first chord 10 and the second chord 20, a first web member 31 is selected to connect the second connecting member 60 located below with the second connecting member 60 located adjacent to the first chord 10. The second connecting member 60 is provided with two single nodes in a hole-like structure, and a first web member 31 is selected to connect the first second connecting member 60 on the first chord 10 from the left side with the second connecting member 60 on the second chord 20 on the right side thereof, and so on, until the second connecting member 60 on the rightmost side of the first chord 10 is connected with the second connecting member 60 on the rightmost side of the second chord 20. Based on the design, two first web members 31 are symmetrically arranged on each second connecting piece 60 on the first chord 10, so that a stable triangular supporting structure is formed, and the bearing strength of the original bamboo truss girder can be effectively enhanced. In addition, two first web members 31 are symmetrically connected to the four second connecting members 60 located between the leftmost second connecting member 60 and the rightmost second connecting member 60 on the second chord member 20, so that a stable isosceles triangular supporting structure is formed, and the bearing strength of the original bamboo truss girder can be effectively enhanced.

In a preferred embodiment, referring to fig. 6, a first connecting member 90 is disposed on the first chord 10 adjacent to two ends; and the second connecting pieces 60 are arranged between the two first connecting pieces 90 at intervals; the second chord 20 is provided with a second connecting piece 60 corresponding to the first connecting piece 90; referring to fig. 8, the web member includes: the second web member 32 extends along the second direction and is used for connecting the first connecting piece 90 and the second connecting piece 60 which are correspondingly arranged; the second direction is perpendicular to the first direction.

As shown in fig. 6, a first connecting member 90 is disposed on the first chord 10 adjacent to two ends; specifically, the two first connecting members 90 correspond to the leftmost second connecting member 60 and the rightmost second connecting member 60 on the second chord 20, respectively.

Specifically, referring to fig. 7, the first connecting element includes: two first curved section pieces 91 that separate set up, and can fix between two first curved section piece 91's the corresponding border, specifically, first curved section piece 91 is semi-circular staple bolt. When the two first bent pieces 91 are fixed, a space capable of accommodating the first chord is formed therebetween. Specifically, the edges of the two first bent pieces 91 on the same side are connected through a single rivet hole.

Wherein, when the first connecting piece 90 is connected with the first chord 10, the first curved piece 91 located relatively below is provided with a first connecting piece 92, and in a preferred embodiment, the first connecting piece 90 is provided with a single node for connection. Optionally, the first connecting piece 92 extends along the first direction and is provided with a single node thereon, and particularly, the single node is a hole-shaped structure.

The second web member 32 extends along the second direction and is used for connecting the first connecting piece 90 and the second connecting piece 60 which are correspondingly arranged; the second direction is perpendicular to the first direction, as shown in fig. 8.

Optionally, the second web member 32 is made of raw bamboo, and preferably a moso bamboo rod which is 3-4 years old, has an average diameter of 60-90mm, and is subjected to mildew-proof, insect-proof and anti-cracking treatment. In a preferred embodiment, the first web member 31 and the second web member 32 are provided with fourth connecting members 70 at both ends thereof, respectively. Specifically, the fourth connecting member 70 is connected to the second web member 32 in such a manner as to connect the first web member 31 to the fourth connecting member 70. Optionally, the diameter of the second connecting bore 80 does not exceed 1/8 the diameter of the second web member 32.

Based on this design, as shown in fig. 9, the second web member 32 and the first web member 31 adjacent thereto form a right-angled triangle structure at the same end of the first chord 10 and the second chord 20, which can effectively enhance the load-bearing strength of the original bamboo truss girder.

The second embodiment:

a raw bamboo column assembly comprising:

the node column 100 extends along a first direction, the side wall of the node column 100 is provided with first fixing pieces 101 which are uniformly distributed along the circumferential direction of the node column 100, and one end, far away from the node column 100, of each first fixing piece 101 is provided with a first gap 102 which extends along the first direction;

one end of the connecting sleeve 200 is connected with two ends of the node post 100, and an opening is formed in one end, far away from the node post 100, of the connecting sleeve 200;

a raw bamboo column 300, the raw bamboo column 300 comprising: at least one raw bamboo rod extending in a first direction and having one end entering the opening and fixedly connected to the connection sleeve 200.

Wherein: the nodal column 100, which is a steel structure, preferably, it may be a square steel pipe structure and it has four side walls, the side walls of the nodal column 100 are provided with first fixing pieces 101 uniformly distributed along its circumference, that is: referring to fig. 10, first fixing members are respectively disposed in the middle of four sidewalls of the node pillar 100, and optionally, the height of the first fixing members is the same as the height of the node pillar, and first gaps extending along a first direction are disposed on the first fixing members. Specifically, the first fixing member 101 includes: the holding plates 103 are symmetrically fixed to the sidewalls of the node post 100, and a first gap 102 is formed between the two holding plates 103. Preferably, the two ends of the node post 100 are connected with first connecting plates 400 for fixedly connecting the connecting sleeve 200, and specifically, the first connecting plates are welded and fixed with the two ends of the node post.

Wherein: the connecting sleeve 200, as shown in fig. 11, has an opening at the end of the connecting sleeve 200 away from the node post 100. The opening is used for matching the original bamboo column 300. Referring to fig. 12, a schematic structural diagram of the node post 100 and the connecting sleeve 200 in a matching connection mode is shown, wherein one end of the connecting sleeve 200 is connected to two ends of the node post 100, specifically, a second connecting plate 500 is disposed at the bottom of the connecting sleeve 200, and the second connecting plate 500 is connected to the first connecting plate 400.

Wherein: referring to fig. 13, the bamboo column 300 includes: at least one raw bamboo rod, optionally, the raw bamboo rod is a moso bamboo rod which is grown for 3-4 years, has an average diameter of 105-135mm and is subjected to mildew-proof, insect-proof and anti-cracking treatment. Preferably, the number of the original bamboo poles is four, and the original bamboo poles are closely distributed in a 2 x 2 array. The original bamboo pole extends along a first direction, and one end of the original bamboo pole enters the opening and is fixedly connected with the connecting sleeve 200. Optionally, a fixing assembly 600 for fixing the raw bamboo column 300 is further disposed on the connecting sleeve 200; the fixing assembly 600 includes: a first through groove 601 which is arranged on two opposite first side walls of the connecting sleeve 200 and penetrates through the first side walls, and a first connecting column 602 which sequentially penetrates through the two first through grooves 601 to be fixed to the raw bamboo column 300 in the connecting sleeve 200; the raw bamboo column 300 is provided with a first through hole 301 for the first connection column 602 to pass through. Preferably, the fixing assembly 600 further comprises: a second through groove 603 disposed on two opposite second sidewalls of the connection sleeve 200 and penetrating the second sidewalls, and a second connection column 604 sequentially penetrating the two second through grooves 603 to fix the raw bamboo column 300 entering the connection sleeve 200; a second through hole 302 for the second connecting column 604 to pass through is arranged on the raw bamboo column 300; based on the design, when the original bamboo pole is fixed, the first connecting column sequentially penetrates through the first through groove, the original bamboo pole and the first through groove, and the original bamboo pole can be fixed in the horizontal direction; the second connecting column penetrates through the second through groove, the raw bamboo column and the second through groove in sequence, and the raw bamboo column can be fixed in the horizontal direction; the distance between the first through groove 601 and the node post 100 is greater than the distance between the second through groove 603 and the node post 100, so that the first connecting post and the second connecting post do not interfere with each other. Optionally, the first connecting column and the second connecting column are respectively a first bolt column and a second bolt column. Certainly, the first connecting column penetrates through the first through groove, the raw bamboo column and the first through groove in sequence and then is fixedly connected with the nut; the second connecting column penetrates through the second through groove, the original bamboo column and the second through groove in sequence and then is fixedly connected with the nut.

Based on the above, an assembled raw bamboo column assembly can be obtained, please refer to fig. 14.

Example three:

referring to fig. 14, a connection node of an assembled raw bamboo truss girder and a raw bamboo column includes: the raw bamboo column assembly of example two; and the original bamboo truss girder according to the first embodiment, wherein a third connecting piece positioned at one end of the first chord member and one end of the second chord member on the original bamboo truss girder can enter the first gap and is fixedly connected with the first fixing piece. Optionally, the third connecting piece is fixedly connected with the first fixing piece through a bolt.

Example four:

the embodiment specifically discloses a construction method of a connection node of an assembled raw bamboo truss girder and a raw bamboo column according to the third embodiment, which includes the following steps:

and (3) machining the optimized original bamboo rods to a specified length according to the drawing to obtain the first chord 10, the second chord 20, the first web member 31 and the second web member 32.

Second connectors 60 are arranged on the first chord 10 and the second chord 20 at intervals; in particular, reference is made to the implementation shown in fig. 3 in the first example. Specifically, the second connecting members 60 on the first chord 10 and the second connecting members 60 on the second chord 20 are arranged alternately;

connecting a second connecting member 60 on the first chord 10 and a second connecting member 60 adjacent to the second connecting member 60 and on the second chord 20 by a first web member 31; in particular, reference is made to the implementation shown in fig. 5 in example one.

A first connecting piece 90 is arranged on the first chord 10 near two ends; specifically, reference is made to the implementation shown in fig. 6 in example one.

A second connecting member 60 corresponding to the first connecting member 90 is provided on the second chord 20; the first connecting member 90 and the second connecting member 60, which are correspondingly arranged, are connected with each other through the second web member 32. In particular, reference is made to the implementation shown in fig. 8 and 9 in example one.

The fabricated raw bamboo truss girder shown in fig. 15 is obtained based on the above steps.

In addition, in a preferred embodiment, the first chord 10 and the second chord 20 are respectively provided with a third connecting piece 40 at two ends. Specifically, the third connecting member 40 is attached to the first chord 10 and the second chord 20 in the manner shown in fig. 2 in example one.

In a preferred embodiment, fourth connecting members 70 are provided at both ends of the first and

second web members

31 and 32, respectively. Specifically, the fourth connecting member 70 is connected to the first web member 31 and the second web member 32 in the same manner as the first embodiment shown in fig. 5 and 8.

Assembling a raw bamboo column assembly, which comprises the following steps:

connecting one end of the raw bamboo column with the connecting sleeve;

specifically, please refer to the component of the connection sleeve and the component of the raw bamboo column in the second embodiment to complete the assembly of the two, that is: the raw bamboo columns are placed into the connecting sleeve, and penetrate through the first through grooves, the raw bamboo columns and the first through grooves in sequence by utilizing the first connecting columns, so that the raw bamboo columns can be fixed in the horizontal direction; the second connecting column penetrates through the second through groove, the raw bamboo column and the second through groove in sequence, and the raw bamboo column can be fixed in the horizontal direction; the distance between the first through groove 601 and the node post 100 is greater than the distance between the second through groove 603 and the node post 100, so that the first connecting post and the second connecting post do not interfere with each other.

Connecting the connecting sleeve with two ends of the node column;

specifically, please refer to the components of the node column in the second embodiment to complete the assembly of the node column, that is: first fixing pieces are welded on four side walls of the node columns, and first connecting plates are welded at two ends of each node column.

And assembling a second connecting plate on the connecting sleeve, and connecting the first connecting plate with the second connecting plate.

Of course, it can be understood that, in actual operation, it is also possible to fix the connecting sleeves at the two ends of the node posts, and then connect the original bamboo poles with the connecting sleeves.

Inserting the third connecting piece located on the same side of the assembled raw bamboo truss girder into the first gap and fixedly connecting the third connecting piece with the first fixing piece to complete the assembling process of the connecting node of the assembled raw bamboo truss girder and the raw bamboo column, please refer to fig. 16.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A raw bamboo column assembly, comprising:

the joint column extends along a first direction, first fixing pieces evenly distributed along the circumferential direction of the side wall of the joint column are arranged on the side wall of the joint column, and a first gap extending along the first direction is formed at one end, far away from the joint column, of each first fixing piece;

one end of the connecting sleeve is connected with two ends of the node column, and one end, far away from the node column, of the connecting sleeve is provided with an opening; the opening is used for matching the original bamboo column;

a raw bamboo column, the raw bamboo column comprising: at least one original bamboo rod, wherein the original bamboo rod extends along a first direction, one end of the original bamboo rod enters the opening, and the original bamboo rod is fixedly connected with the connecting sleeve; the original bamboo poles are four and are closely distributed in a 2 x 2 array; the raw bamboo rods are made of moso bamboo rods which grow for 3-4 years, have the average diameter of 105-135mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment;

the connecting sleeve is also provided with a fixing component for fixing the original bamboo column;

the fixing assembly includes: the first through grooves are formed in two opposite first side walls of the connecting sleeve and penetrate through the first side walls, and the first connecting columns sequentially penetrate through the two first through grooves to fix the raw bamboo columns entering the connecting sleeve; the original bamboo column is provided with a first through hole for the first connecting column to penetrate through;

and/or the presence of a gas in the gas,

the fixing assembly further comprises: the second through grooves are formed in two opposite second side walls of the connecting sleeve and penetrate through the second side walls, and the second connecting columns sequentially penetrate through the two second through grooves to fixedly enter the original bamboo columns in the connecting sleeve; the raw bamboo columns are provided with second through holes for the second connecting columns to penetrate through;

the distance between the first through grooves and the node posts is larger than the distance between the second through grooves and the node posts;

the node column is a square steel tube, and the first fixing piece is fixedly connected to the side wall of the node column;

the first fixing member includes: the clamping plates are symmetrically and fixedly connected to the side wall of the node column, and a first gap is formed between the two clamping plates;

two ends of the node column are connected with first connecting plates for fixedly connecting the connecting sleeves;

the bottom of the connecting sleeve is provided with a second connecting plate, and the second connecting plate is connected with the first connecting plate.

2. The utility model provides a connected node of former bamboo truss girder of assembled and former bamboo post which characterized in that includes:

the raw bamboo column assembly of claim 1;

former bamboo truss girder, former bamboo truss girder includes:

the first chord member and the second chord member are arranged in parallel, are made of raw bamboos and extend along a first direction; second connecting pieces are arranged on the first chord and the second chord at intervals respectively, and third connecting pieces are arranged at two ends of the first chord and the second chord respectively; the second connecting pieces on the first chord members and the second connecting pieces on the second chord members are arranged in a staggered mode;

a web member located between the first chord and the second chord, the web member comprising: the first web member is used for obliquely connecting the second connecting piece positioned on the first chord member and the second connecting piece which is adjacent to the second connecting piece and positioned on the second chord member;

and the third connecting piece positioned at one end of the first chord and one end of the second chord can enter the first gap and is fixedly connected with the first fixing piece.

3. The assembled raw bamboo truss girder and raw bamboo column connection node of claim 2, wherein:

first connecting pieces are arranged on the first chord members and adjacent to two ends of the first chord members; and a second connecting piece is arranged between the two first connecting pieces at intervals;

the second chord is provided with a second connecting piece corresponding to the first connecting piece;

the web member further includes: the second web member extends along a second direction and is used for connecting a first connecting piece and a second connecting piece which are correspondingly arranged; the second direction is perpendicular to the first direction.

4. The assembled raw bamboo truss girder and raw bamboo column connection node of claim 3, wherein:

the first connecting piece is provided with a single node for connection;

the second connecting piece is provided with two single nodes for connection, and the two single nodes are arranged along a first direction;

two first web members are symmetrically connected to the second connecting member on the first chord member.

5. A fabricated raw bamboo truss girder and raw bamboo column connection node as claimed in claim 3 or 4, wherein:

and fourth connecting pieces are respectively arranged at the two ends of the first web member and the second web member.

6. A fabricated raw bamboo truss girder and raw bamboo column connection node according to any one of claims 2-4, wherein:

the raw bamboo column is made of 3-4-year-old moso bamboo rods with the average diameter of 105-135mm and subjected to mildew-proof, insect-proof and anti-cracking treatment;

the first chord and the second chord are made of moso bamboo rods which grow for 3-4 years, have the average diameter of 105-135mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment;

the web members are made of moso bamboo rods which grow for 3-4 years, have an average diameter of 60-90mm and are subjected to mildew-proof, insect-proof and anti-cracking treatment.

7. A construction method of a joint of a fabricated raw bamboo truss girder and a raw bamboo column according to any one of claims 2 to 6, comprising the steps of:

connecting one end of the original bamboo column with a connecting sleeve;

connecting the connecting sleeve with two ends of the node column;