CN107060069B - Assembled steel pipe concrete truss building system - Google Patents
Assembled steel pipe concrete truss building system Download PDFInfo
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- CN107060069B CN107060069B CN201710369599.XA CN201710369599A CN107060069B CN 107060069 B CN107060069 B CN 107060069B CN 201710369599 A CN201710369599 A CN 201710369599A CN 107060069 B CN107060069 B CN 107060069B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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Abstract
The invention relates to an assembly type steel pipe concrete truss building system which comprises a longitudinal truss single body, wherein the longitudinal truss single body comprises a pair of integrated rod pieces which are arranged in parallel, and the integrated rod pieces are connected through the combination of a straight rod piece and an inclined rod piece or through the straight rod piece; the integrated rod pieces comprise rod piece single bodies, the rod piece single bodies are connected through a multi-rod connecting piece, and the multi-rod connecting piece is also connected with a straight rod piece or an inclined rod piece; concrete is filled in the straight rod pieces, the inclined rod pieces and at least part of rod piece monomers; the plurality of longitudinal truss single bodies are connected through truss connecting pieces to form a spatial three-dimensional structure. The invention has higher standardization and industrialization degree, can reduce the cost and improve the construction efficiency of the construction site of the building.
Description
Technical Field
The invention relates to the technical field of building construction. In particular to an assembly type steel pipe concrete truss building system.
Background
In the prior art, the prefabricated building mainly adopts the following two modes:
the concrete prefabricated part assembled: the beam column is prefabricated, and the node area is cast in situ. The beam is a laminated beam, the plate is a laminated plate, and one layer can be hoisted at one time. The main problems with this construction are: the cost of the existing stage is still higher than that of the traditional cast-in-place type, the standardization degree of components is low, and the components are heavy and inconvenient to transport.
Steel structure assembled: for example, the steel pipe bundle patent system is characterized in that a square steel pipe and C-shaped steel are welded into a steel pipe bundle similar to a Russian square, the steel pipe bundle has the shape of L, cross, T and the like, concrete is poured inside the steel pipe bundle, a load-bearing and lateral force-resistant shear wall is formed, and multiple layers can be hoisted at one time. The beam adopts H shaped steel roof beam, and the floor adopts steel bar truss building carrier plate. The main problems with this construction are: the cost of the existing stage is still higher than that of the traditional concrete cast-in-place type, the standardization degree of components is low, the components need to be welded and installed on site, the steel structure is subjected to fireproof treatment on the site, and secondary masonry is built or installed on the site.
Disclosure of Invention
The invention provides an assembly type steel pipe concrete truss building system for overcoming the technical problems and cost problems in the prior art, and improves the construction efficiency of the construction site of a building.
An assembly type steel pipe concrete truss building system comprises a longitudinal truss single body, wherein the longitudinal truss single body comprises a pair of integrated rod pieces which are arranged in parallel, and the pair of integrated rod pieces are connected through the combination of straight rod pieces and diagonal rod pieces or through the straight rod pieces; the integrated rod pieces comprise rod piece single bodies, the rod piece single bodies are connected through a multi-rod connecting piece, and the multi-rod connecting piece is also connected with a straight rod piece or an inclined rod piece; concrete is filled in the straight rod pieces, the inclined rod pieces and at least part of the rod piece monomers;
and the plurality of longitudinal truss single bodies are connected through truss connecting pieces.
The longitudinal truss single bodies are formed by the integrated rod pieces, the diagonal rod pieces and the straight rod pieces, and concrete is filled in part of the rod piece single bodies, the straight rod pieces and the diagonal rod pieces, so that the longitudinal truss single bodies can be produced into finished products in advance, the finished products are transported to the site and directly assembled, and the construction efficiency is improved. Moreover, the truss connecting pieces are used for connection, welding operation is not needed, and the safety of an operation site is improved.
And the truss is a structural form with high cost performance, the same material consumption can provide more bearing capacity and rigidity than the columns and the shear walls, and on the other hand, steel and concrete are combined into steel pipe concrete, so that the advantages can be complemented, the effect that one plus one is greater than two can be exerted, the bearing capacity is further improved, and the cost of the building can be reduced.
The preferable technical scheme is characterized in that: the multi-rod connecting piece comprises a groove-shaped body formed by a bottom plate and a pair of side plates, a cover plate is fixedly installed in the groove-shaped body and comprises an upper cover plate and side cover plates, the side cover plates are located at two ends of the groove-shaped body in the length direction, at least one side cover plate is used for being fixedly connected with the rod piece single body, the upper cover plate is fixedly connected with the side cover plates, and the upper cover plate is used for being connected with the straight rod piece and/or the inclined rod piece.
Through set up the apron in many poles of the ram connecting piece, apron thickness is thicker than the connecting rod on every side, is the reinforcement measure to the apron behind the trompil, can make straight member and diagonal member and the free terminal surface of member can directly carry out direct welding with upper cover plate and side cover plate in addition, the increase welded connection's that is showing length, it is fixed with the two all to have the welding seam in a plurality of directions in addition, also is favorable to improving the ability of the load of the all directions of opposition junction simultaneously.
Further preferred technical solution, its additional technical features are: the upper edges of the side plates protrude out of the upper cover plate, the straight rod pieces and/or the inclined rod pieces are fixedly connected with the upper edges of the side plates and the upper cover plate, the side edges of the side plates and the side edges of the bottom plate along the length direction of the groove protrude out of the side cover plate, and the rod piece monomers are fixedly connected with the side edges of the side plates, the side edges of the bottom plate along the length direction of the groove and the side plates.
Through making the upper edge of curb plate and the edge of side all outstanding corresponding upper cover plate and side cover board, can utilize the edge of curb plate directly to carry out welded connection once more with the edge of the board of the side of member monomer, diagonal member spare, straight member spare, also can utilize the medial surface of curb plate to carry out welded connection once more with the side edge of the board of the side of member monomer, diagonal member spare, straight member spare to the intensity of connecting has been improved by a wide margin.
Further preferred technical solution, its additional technical features are: the upper cover plate is provided with a concrete via hole.
Through setting up the concrete via hole, can be so that the concrete on the member to one side can flow into the multi-rod connecting piece for the concrete also can with the steel interact of multi-rod connecting piece, improved the intensity of member.
The preferable technical scheme is characterized in that: the side of the multi-rod connecting piece is provided with a first bolt through hole, a bolt penetrates through the bolt through hole, a second bolt through hole is formed in the truss connecting piece, and the truss connecting piece is used for enabling the bolts penetrating out of the side face of the multi-rod connecting piece on the adjacent longitudinal truss single bodies to penetrate into the second bolt through hole so as to connect the adjacent longitudinal truss single bodies.
The bolt through holes in the longitudinal truss monomers are connected with the bolts in each truss monomer, so that the connection of the adjacent truss monomers is realized, welding operation on a construction site is not needed, the safety of the construction site is improved, the construction speed of the construction site is accelerated, and the time consumption of the construction site is reduced.
The preferable technical scheme is characterized in that: the rod piece monomer is H-shaped steel.
Through setting up H shaped steel as a member monomer to constitute a free side of truss, when can making the floor arrange on the upper steel pipe member of truss, the floor has one section to shelve the length, and it has the via hole of wearing the reinforcing bar to open on the H shaped steel web for connect the floor of H shaped steel both sides, make the floor of H shaped steel both sides form continuous slab atress form. The space of the side face of the waist of the H-shaped steel is fully combined with the floor slab, so that concrete can be fully contacted with the waist and the legs of the H-shaped steel when the floor slab is poured, and the integral connection strength of the building is improved.
The further preferable technical scheme is characterized in that: and a third bolt through hole is formed in the lower flange of the H-shaped steel and used for being passed by bolts on the top surfaces of the integrated rod pieces on the adjacent truss monomers so as to connect the two adjacent truss monomers.
Through set up the bolt via hole at the bottom flange of H shaped steel, can utilize the bolt of the top surface of adjacent integrated member to with two truss monomer lug connections, form a whole roof beam. Moreover, the nut can be screwed by utilizing the space of the side surface of the waist of the H-shaped steel, so that the operation of workers is facilitated.
Still further preferred technical solution, its additional technical features are: and a fourth bolt through hole is formed in the part, protruding out of the side cover plate, of the bottom plate and is used for being connected with a bolt on the top surface of the integrated rod piece on the connected truss single body so as to connect the two adjacent truss single bodies.
The fourth bolt through hole is formed in the bottom plate, so that the connection strength of the integrated rod piece at the connection node can be enhanced, the connection reliability between the integrated rod pieces is guaranteed, and the connection reliability of the truss connection piece is improved.
Still further preferred technical solution, its additional technical features are: the truss connecting piece further comprises a first lateral connecting piece, the first lateral connecting piece is used for connecting intersected longitudinal truss monomers, the lateral connecting piece comprises a first connecting vertical plate and a second connecting vertical plate, the first connecting vertical plate and the second connecting vertical plate are intersected and fixedly connected, the first connecting vertical plate is used for being connected with a side plate of the multi-rod connecting rod piece of one of the intersected longitudinal truss monomers through bolt connection, and the second connecting vertical plate is used for being connected with the other one of the intersected longitudinal truss monomers through bolt connection.
By arranging the first lateral connecting piece, two connected longitudinal truss single bodies or a single longitudinal truss single body can be connected with another longitudinal truss single body or two crossed longitudinal truss single bodies, so that a whole building can be formed.
Further preferred technical solution, its additional technical features are: the truss connecting piece further comprises a second lateral connecting piece, the second lateral connecting piece is used for connecting the crossed longitudinal truss single bodies, the second lateral connecting piece comprises a third connecting vertical plate and a first connecting transverse plate, the third connecting vertical plate and the first connecting transverse plate are perpendicular and fixedly connected, the first connecting transverse plate is used for being connected with a part, protruding out of the side cover plate, of the bottom plate in one of the crossed longitudinal truss single bodies in a bolt connection mode, and the second lateral connecting piece is used for being connected with the other of the crossed longitudinal truss single bodies in a bolt connection mode.
The bottom plate of the multi-rod connecting piece can be connected with other longitudinal truss single bodies through the second lateral connecting piece, so that the connection strength between the longitudinal truss single bodies and the longitudinal truss single bodies is further improved.
Drawings
Fig. 1 is a schematic structural view of a longitudinal truss single body in example 1 of the present invention;
FIG. 2 is a schematic structural view of another longitudinal truss monomer in example 1 of the present invention;
FIG. 3 is a schematic structural view of the longitudinal truss cells shown in FIGS. 1 and 2 spliced together;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a perspective view of a wall formed using the longitudinal truss cells of FIG. 1;
fig. 6 is a cross-sectional view of fig. 5 taken along a longitudinal section.
FIG. 7 is a schematic structural view of a multi-bar linkage in embodiment 1 of the present invention;
fig. 8 is a sectional view of the multi-rod connecting member according to embodiment 1 of the present invention applied to the joints of the end nodes of the integrated rod members and the diagonal rod members and the straight rod members;
fig. 9 is a sectional view of the multi-rod connection member according to embodiment 1 of the present invention applied to another junction of the intermediate node of the integrated rod member and the diagonal rod member and the straight rod member;
fig. 10 is a sectional view of the multi-rod coupling member according to embodiment 1 of the present invention applied to the junction of the end node of the integrated rod member and the straight rod member;
fig. 11 is a sectional view of the multi-bar linkage assembly of embodiment 1 of the present invention applied to a junction of an intermediate node of an integrated bar member and a straight bar member;
fig. 12 is a sectional view of the multi-rod link in embodiment 1 of the present invention applied to a junction of an intermediate node of an integrated rod and two diagonal rods;
fig. 13 is a sectional view of a joint of an integrated bar and a floor slab in embodiment 1 of the present invention;
fig. 14 is a partial schematic view of connection of two intermediate nodes when two longitudinal truss single bodies are connected in embodiment 1 of the present invention;
FIG. 15 is a top plan view of an assembled concrete filled steel tube truss building system of example 2 of the present invention;
FIG. 16 is a perspective view of FIG. 15;
figure 17 is a schematic view of one connection of the intersecting longitudinal truss cells of example 2;
FIG. 18 is a longitudinal cross-sectional view of FIG. 17;
FIG. 19 is a transverse cross-sectional view of FIG. 17;
figure 20 is a schematic view of another connection of the intersecting longitudinal truss cells of example 2;
FIG. 21 is a longitudinal cross-sectional view of FIG. 20;
FIG. 22 is a transverse cross-sectional view of FIG. 20;
FIG. 23 is a schematic structural view of two longitudinal truss cells connected by the multi-bar linkage of FIG. 8 connected to another longitudinal truss cell;
FIG. 24 is a top cross-sectional view of FIG. 23;
FIG. 25 is a schematic view of the construction of the multi-bar linkage of FIG. 10 in which two longitudinal truss cells are connected to another longitudinal truss cell;
FIG. 26 is a top cross-sectional view of FIG. 25;
FIG. 27 is a schematic view of the structure of the multi-rod coupling member of FIG. 10 in which two longitudinal truss cells are coupled to another longitudinal truss cell;
fig. 28 is a top cross-sectional view of fig. 25.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following examples are illustrated and described in detail as follows:
example 1:
fig. 1 is a schematic structural view of a longitudinal truss single body in example 1 of the present invention; FIG. 2 is a schematic structural view of another longitudinal truss monomer in example 1 of the present invention; FIG. 3 is a schematic structural view of the longitudinal truss cells shown in FIGS. 1 and 2 spliced together; FIG. 4 is a cross-sectional view of FIG. 3; FIG. 5 is a perspective view of a wall formed using the longitudinal truss cells of FIG. 1; fig. 6 is a cross-sectional view of fig. 5 taken along a longitudinal section. FIG. 7 is a schematic structural view of a multi-rod joint member in embodiment 1 of the invention;
in the drawings, each reference numeral indicates the following; 1. a rod member single body; 2. a straight bar member; 3. a diagonal member; 4. a multi-bar linkage; 41. a side plate; 42. a base plate; 43. an upper cover plate; 44. a side cover plate; 45. concrete via holes; 46. a first bolt via hole; 47. a fourth bolt via hole; 5. a truss attachment; 6. concrete; 7. h-shaped steel; 71. a third bolt via hole; 8. a floor slab; 9. and (4) filling materials.
An assembly type steel pipe concrete 6 truss building system comprises a longitudinal truss single body, wherein the longitudinal truss single body comprises a pair of integrated rod pieces which are arranged in parallel, and the integrated rod pieces are connected through a combination of a straight rod piece 2 and an inclined rod piece 3 or through the straight rod piece 2; the integrated rod piece comprises rod piece single bodies 1, the rod piece single bodies 1 are connected through a multi-rod connecting piece 4, and the multi-rod connecting piece 4 is also connected with a straight rod piece 2 or an inclined rod piece 3; the straight rod pieces 2, the diagonal rod pieces 3 and at least part of the rod piece monomers 1 are filled with concrete 6;
the plurality of longitudinal truss single bodies are connected through truss connecting pieces 5.
The longitudinal truss single body is formed by the integrated rod piece, the diagonal rod piece 3 and the straight rod piece 2, and concrete 6 is filled in part of the rod piece single body 1, the straight rod piece 2 and the diagonal rod piece 3, so that the longitudinal truss single body can be produced into a finished product in advance, the finished product is transported to the site and directly assembled, the truss connecting piece 5 is used for connection, welding operation is not needed, and the safety of the operation site is improved.
As shown in fig. 5 and 6, a single longitudinal truss can be fabricated in a wall to form a stressed structure of the wall, and then the wall is filled with a filler 9, so that the wall can be transported integrally during transportation and assembled on a construction site. The link of casting the wall body on site is omitted, so that the building efficiency of the building is greatly improved.
As shown in fig. 7, the multi-rod connecting member 4 includes a channel-shaped body formed by a bottom plate 42 and a pair of side plates 41, a cover plate is fixedly installed in the channel-shaped body, the cover plate includes an upper cover plate 43 and side cover plates 44, the side cover plates 44 are located at two ends of the channel-shaped body in the length direction, at least one side cover plate 44 is used for being fixedly connected with the rod member single body 1, the upper cover plate 43 is fixedly connected with the side cover plates 44, and the upper cover plate 43 is used for being connected with the straight rod member 2 and/or the diagonal rod member 3.
Through set up the apron in many poles connecting piece 4, can make straight member 2 and diagonal member 3 and member monomer 1's terminal surface can directly carry out direct welding with upper cover plate 43 and side shroud 44, the increase welded connection's that is showing length, all have the welding seam to fix the two in a plurality of directions moreover, also be favorable to improving the ability of the load of the all directions of antagonism junction simultaneously.
Further preferably, the upper edges of the side plates 41 protrude from the upper cover plate 43, the straight rod members 2 and/or the diagonal rod members 3 are fixedly connected with the upper edges of the side plates 41 and the upper cover plate 43, the side edges of the side plates 41 and the side edges of the bottom plate 42 along the length direction of the groove protrude from the side cover plate 44, and the rod member units 1 are fixedly connected with the side edges of the side plates 41, the side edges of the bottom plate 42 along the length direction of the groove and the side plates 41.
By enabling the upper edge and the side edge of the side plate 41 to protrude out of the corresponding upper cover plate 43 and the corresponding side cover plate 44, the edge of the side plate 41 can be directly connected with the edge of the side plate of the single rod member 1, the diagonal rod member 3 and the straight rod member 2 by welding once more, and the inner side surface of the side plate 41 can be connected with the side edge of the side plate of the side rod member 1, the diagonal rod member 3 and the straight rod member 2 by welding once more, so that the connection rigidity can be greatly improved.
Further preferably, the upper cover plate 43 is provided with a concrete via hole 45.
Through setting up concrete via hole 45, can be so that concrete 6 on the member for leaning on 3 can flow into multi-rod connecting piece 4 for concrete 6 also can with multi-rod connecting piece 4's steel interact, improved the intensity of connecting.
Preferably, the side of the multi-rod connecting piece 4 is provided with a first bolt through hole 46, a bolt penetrates through the bolt through hole, the truss connecting piece 5 is provided with a second bolt through hole, and the truss connecting piece 5 is used for enabling the bolts penetrating out of the side of the multi-rod connecting piece 4 on the adjacent longitudinal truss single bodies to penetrate into the second bolt through hole so as to connect the adjacent longitudinal truss single bodies.
The bolt through holes in the longitudinal truss monomers are connected with the bolts in each truss monomer, so that the connection of the adjacent truss monomers is realized, welding operation on a construction site is not needed, the safety of the construction site is improved, the construction speed of the construction site is accelerated, and the time consumption of the construction site is reduced.
It is further preferable that the bottom plate 42 is provided with a fourth bolt through hole 47 at a position protruding from the side cover plate 44, and the fourth bolt through hole 47 is used for passing a bolt on the top surface of an integrated rod member on the connected truss single body so as to connect two adjacent truss single bodies.
The fourth bolt through hole 47 is formed in the bottom plate 42, so that the connection strength of the integrated rod piece at the connection node can be enhanced, the connection reliability between the integrated rod pieces is guaranteed, and the connection reliability of the truss connection piece 5 is improved.
Specifically, the number of the upper cover plates 43 of the multi-bar linkage 4 may be determined according to the type and number of the straight bar members 2 and/or the diagonal bar members 3 of the multi-bar linkage 4, for example, fig. 8-12 show the connection status between the multi-bar linkage 4 of different types and the surrounding linkage bars under different positions and different types of the linkage bars. For example, fig. 8 is at the end of the integrated rod and connects the straight rod member 2 and the diagonal rod member 3, and fig. 9 is at the intermediate node of the integrated rod and connects the straight rod member 2 and the diagonal rod member 3; fig. 12 shows the multi-rod connecting member 4 in the middle node of the integrated rod member and connecting two diagonal rod members 3, and the number of the upper cover plates 43 is two in all three cases. While in fig. 10, the end of the integrated rod is connected with 2 straight rod members 2, in fig. 11, the middle node of the integrated rod is connected with 2 straight rod members 2, the upper cover plate 43 can be a single piece, and the cross section of the multi-rod connecting member 4 is a rectangle.
Preferably, the rod unit 1 is an H-shaped steel 7.
Through setting up H shaped steel 7 as a member monomer 1 to constitute a free side of truss, can utilize the space of the side of the waist of H shaped steel 7 and floor 8 abundant combination, make concrete 6 can fully contact with the waist and the shank of H shaped steel 7 when pouring floor 8, improve building bulk joint strength.
Further preferably, a third bolt through hole 71 is formed in the lower flange of the H-shaped steel 7, and the third bolt through hole 71 is used for being passed by a bolt on the top surface of the integrated rod piece on the adjacent truss single body so as to connect the two adjacent truss single bodies.
Through set up the bolt via hole at the bottom flange of H shaped steel 7, can utilize the bolt of the top surface of adjacent integrated member to with two truss monomer lug connections. Moreover, the nut can be screwed by utilizing the space of the side surface of the waist of the H-shaped steel 7, so that the operation of workers is facilitated. As shown in particular in fig. 13.
For example, the truss single body can be made in a wall body, and the lightweight sound-insulating and heat-preserving filler 9 satisfying the strength of the wall body is filled outside the truss single body. The truss is transported together with the wall, wherein the H-shaped steel is required to be firstly vacated so as to be combined with the rest truss monomers and be combined with the floor slab.
Example 2:
FIG. 15 is a top plan view of an assembled concrete filled steel tube truss building system of example 2 of the present invention; FIG. 16 is a perspective view of FIG. 15; figure 17 is a schematic view of one connection of the intersecting longitudinal truss cells of example 2; FIG. 18 is a longitudinal cross-sectional view of FIG. 17; FIG. 19 is a transverse cross-sectional view of FIG. 17; figure 20 is a schematic view of another connection of the intersecting longitudinal truss cells of example 2; FIG. 21 is a longitudinal cross-sectional view of FIG. 20; fig. 22 is a transverse cross-sectional view of fig. 20. It should be noted that, in fig. 15, the diagonal members are represented by the form of "thick dotted line + arrow", wherein the tail of the thick dotted line represents the lower end of the diagonal member, the head of the arrow represents the upper end of the diagonal member, the rectangle of the dotted line represents the integrated member, the hollow circle represents the nodes connected by the connection shown in fig. 20, and the laterally opposite 2 triangles represent the connecting nodes shown in fig. 17.
In the figures, the same reference numerals are used as in the previous embodiments, and the definitions of the reference numerals in the previous embodiments are still used. The reference numerals newly appearing in the present embodiment denote the following meanings: 10. a first lateral connector; 101. a first connecting vertical plate; 102. a second connecting vertical plate; 11. a second lateral connector; 111. a third connecting vertical plate; 112. the first connecting transverse plate.
The truss connection piece 5 further comprises a first lateral connection piece 10, the first lateral connection piece 10 is used for connecting the crossed longitudinal truss single bodies, the lateral connection piece comprises a first connection vertical plate 101 and a second connection vertical plate 102, the first connection vertical plate 101 and the second connection vertical plate 102 are crossed and fixedly connected, the first connection vertical plate 101 is used for being connected with the side plate 41 of the multi-rod connection rod piece of one of the crossed longitudinal truss single bodies through bolt connection, and the second connection vertical plate 102 is used for being connected with the other one of the crossed longitudinal truss single bodies through bolt connection.
By providing the first lateral connecting member 10, two connected longitudinal truss single bodies or a single longitudinal truss single body can be connected with another longitudinal truss single body or two crossed longitudinal truss single bodies, so that a whole building can be formed.
In particular, as shown in fig. 23, the first lateral connector 10 may further include a reinforcing rib perpendicular to both the first connecting riser 101 and the second connecting riser 102, and the reinforcing rib may be L-shaped. As shown in fig. 25, the multi-rod link 4 at this position may be a multi-rod link 4 that connects only the straight rod pieces 2. Or, as shown in fig. 27, another pair of longitudinal truss elements at this position may be a combination of steel pipes and H-section steel 7.
Further preferably, the truss connecting member 5 further includes a second lateral connecting member 11, the second lateral connecting member 11 is used for connecting the intersecting longitudinal truss single bodies, the second lateral connecting member 11 includes a third connecting vertical plate 111 and a first connecting transverse plate 112, the third connecting vertical plate 111 and the first connecting transverse plate 112 are perpendicular and fixedly connected, the first connecting transverse plate 112 is used for being connected with a portion, protruding from the side cover plate 44, of the bottom plate 42 in one of the intersecting longitudinal truss single bodies in a bolt connection manner, and the second lateral connecting member is used for being connected with the other of the intersecting longitudinal truss single bodies in a bolt connection manner. Specifically, a steel plate may be disposed on the back of the single rod member 1 for tightening the nut.
The second lateral connecting member 11 is arranged to connect the bottom plate 42 of the multi-bar connecting member 4 with other longitudinal truss single bodies, thereby further improving the connection strength between the longitudinal truss single bodies and the longitudinal truss single bodies.
In addition, fig. 20 shows that the two longitudinal truss single bodies in one direction are both H-shaped steel 7 at the integrated rod members, and the vertical longitudinal truss single bodies in the other direction are a combination of H-shaped steel 7 and steel pipes at the integrated rod members. Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention as claimed, for example: based on the scheme of fig. 23-28, several dimensions, such as whether the first lateral connecting piece has an L-shaped reinforcing rib plate, whether the vertical longitudinal truss single body is a combination of a steel pipe and a steel pipe or a combination of H-shaped steel and the steel pipe, whether the rod connecting piece has an oblique rod, and the like, can be selected and combined; the embodiment shows that the longitudinal truss single bodies are divided along the transverse direction, for example, a longitudinal truss single body can be divided from a storied building of one storey, namely the height of the longitudinal truss single body is the storey height of the storied building, and actually, the longitudinal truss single body can also be divided along the longitudinal direction, namely the longitudinal truss single body is a wall body of a multi-storey building, and a wall with a plurality of storeys is arranged on one side of the longitudinal truss single body, and can be formed by a plurality of longitudinal truss single bodies which are arranged side by side. All falling within the scope of protection of the present invention.
Claims (7)
1. The utility model provides an assembled steel pipe concrete truss building system which characterized in that: the truss structure comprises longitudinal truss single bodies, wherein each longitudinal truss single body comprises a pair of integrated rod pieces which are arranged in parallel, and the integrated rod pieces are connected through a combination of a straight rod piece and an inclined rod piece or through the straight rod piece; the integrated rod pieces comprise rod piece single bodies, the rod piece single bodies are connected through a multi-rod connecting piece, and the multi-rod connecting piece is also connected with the straight rod pieces or the inclined rod pieces; concrete is filled in the straight rod pieces, the inclined rod pieces and at least part of the rod piece units;
the plurality of longitudinal truss single bodies are connected through truss connecting pieces;
the multi-rod connecting piece comprises a groove-shaped body consisting of a bottom plate and a pair of side plates, a cover plate is fixedly installed in the groove-shaped body and consists of an upper cover plate and side cover plates, the side cover plates are positioned at two ends of the groove-shaped body in the length direction, at least one side cover plate is used for being fixedly connected with the rod single body, the upper cover plate is fixedly connected with the side cover plates, and the upper cover plate is used for being connected with the straight rod piece and/or the inclined rod piece;
a concrete through hole is formed in the upper cover plate;
the side of the multi-rod connecting piece is provided with a first bolt through hole, a bolt penetrates through the bolt through hole, a second bolt through hole is formed in the truss connecting piece, the truss connecting piece is used for enabling adjacent bolts penetrating through the side of the multi-rod connecting piece to penetrate through the second bolt through hole so as to connect adjacent longitudinal truss units.
2. The assembly type concrete filled steel tube truss building system according to claim 1, wherein: the upper edges of the side plates protrude out of the upper cover plate, the straight rod pieces and/or the inclined rod pieces are fixedly connected with the upper edges of the side plates and the upper cover plate, the side edges of the side plates and the side edges of the bottom plate along the length direction of the groove protrude out of the side cover plate, and the rod piece single bodies are fixedly connected with the side edges of the side plates, the side edges of the bottom plate along the length direction of the groove and the side plates.
3. The assembly type concrete filled steel tube truss building system according to claim 1, wherein: the rod piece monomer is H-shaped steel.
4. The assembly type concrete filled steel tube truss building system according to claim 3, wherein: and a third bolt through hole is formed in the lower flange of the H-shaped steel and used for being adjacent to the bolt on the top surface of the integrated rod piece on the truss monomer to connect the two adjacent truss monomers.
5. The assembly type concrete filled steel tube truss building system according to claim 2, wherein: and a fourth bolt through hole is formed in the part, protruding out of the side cover plate, of the bottom plate and is used for being connected with a bolt on the top surface of the integrated rod piece on the truss single body so as to connect two adjacent truss single bodies.
6. The assembly type concrete filled steel tube truss building system according to claim 2, wherein: the truss connection spare still includes first lateral connection spare, first lateral connection spare is used for connecting crossing vertical truss monomer, lateral connection spare includes first connection riser and second connection riser, first connection riser with the crossing and fixed connection of second connection riser, first connection riser is used for through bolted connection and crossing the curb plate of the many poles connecting rod spare of one in the vertical truss monomer is connected, the second connection riser is used for through bolted connection's mode and crossing another in the vertical truss monomer is connected.
7. The assembly type concrete filled steel tube truss building system according to claim 2, wherein: the truss connecting piece further comprises a second lateral connecting piece, the second lateral connecting piece is used for connecting the crossed longitudinal truss single bodies, the second lateral connecting piece comprises a third connecting vertical plate and a first connecting transverse plate, the third connecting vertical plate and the first connecting transverse plate are perpendicular and fixedly connected, the first connecting transverse plate is used for being connected with the part, protruding out of the side cover plate, of the bottom plate in one of the crossed longitudinal truss single bodies in a bolt connection mode, and the second lateral connecting piece is used for being connected with the other crossed longitudinal truss single body in the bolt connection mode.
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