CN109944374B - Steel structure anti-seismic floor for construction and manufacturing method - Google Patents
Steel structure anti-seismic floor for construction and manufacturing method Download PDFInfo
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- CN109944374B CN109944374B CN201910210016.8A CN201910210016A CN109944374B CN 109944374 B CN109944374 B CN 109944374B CN 201910210016 A CN201910210016 A CN 201910210016A CN 109944374 B CN109944374 B CN 109944374B
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Abstract
The invention relates to a steel structure anti-seismic floor slab for buildings and a manufacturing method thereof, wherein the steel structure anti-seismic floor slab is arranged on a steel beam, the steel beam comprises main beams and connecting beams, a floor bearing plate is arranged on a lower flat plate of two adjacent main beams, a connecting assembly is arranged between the two main beams, the connecting assembly comprises two layers of steel bar nets horizontally arranged up and down, connecting bars are connected between the two layers of steel bar nets, each steel bar net comprises a transverse bar and a longitudinal bar, the transverse bar is perpendicular to the main beams, abutting bars are fixedly connected at two ends of the transverse bar, anti-seismic assemblies are arranged on the transverse bars, each anti-seismic assembly comprises an elastic piece and positioning steel bars, the elastic pieces are fixedly connected between the abutting bars and the transverse bars, the positioning steel bars are fixedly connected at the end parts of the elastic pieces far away from the transverse bars, the abutting bars are. The invention has the effect of improving the integrity between the floor slab and the steel beam and the shock resistance of the floor slab.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a steel structure earthquake-resistant floor slab for buildings and a manufacturing method thereof.
Background
The steel structure is a structure mainly made of steel (steel plates and profile steel), and compared with the traditional concrete structure and masonry structure, the steel structure has the advantages of stable performance, light weight, high strength and short construction period, and is widely applied to the modern construction of China.
Traditional floor slab building adopts the plank as the template of pouring of floor slab mostly, does some simple structure processing in the junction of floor slab and girder steel.
Once shake or rock, very easily cause the place of fixed connection to produce the fracture on floor and the girder steel, make the wholeness between floor and the girder steel and the anti-seismic performance of floor relatively poor.
Disclosure of Invention
The invention aims to provide a steel structure earthquake-resistant floor slab for buildings and a manufacturing method thereof, wherein the integrity between the floor slab and a steel beam and the earthquake resistance of the floor slab are improved.
The above object of the present invention is achieved by the following technical solutions:
a steel structure earthquake-resistant floor slab for buildings is arranged on a steel beam, the steel beam comprises main beams and connecting beams, the connecting beams are connected between the adjacent and mutually parallel main beams, the main beams are I-shaped steel, the lower flat plates of the two adjacent main beams are provided with floor bearing plates, a connecting assembly is arranged between the two main beams and is positioned above the floor bearing plates, the connecting assembly comprises a horizontal steel bar net, the steel bar net is arranged into an upper layer and a lower layer, connecting bars are connected between the two layers of steel bar nets, the steel bar net comprises a plurality of transverse bars and a plurality of longitudinal bars, the transverse bars are perpendicular to the main beams, the two ends of the plurality of transverse bars are fixedly connected with abutting bars which are horizontal and parallel to the main beams, the abutting bars are abutted against the vertical plates of the main beams, the transverse bars are provided with earthquake-resistant assemblies, the earthquake-resistant assemblies comprise elastic pieces and positioning steel bars, the elastic, positioning bar fixed connection keeps away from the tip of horizontal muscle in the elastic component, and butt muscle fixed connection is close to the position at both ends from top to bottom in positioning bar, and the girder steel is provided with the concrete filling layer, and the building carrier plate is located the below of concrete filling layer, and coupling assembling inlays to locate inside the concrete filling layer.
By adopting the technical scheme, the floor bearing plate is positioned below the concrete filling layer, and the surface embossing of the floor bearing plate enables the maximum binding force to be generated between the floor bearing plate and the concrete filling layer, so that the floor bearing plate and the concrete filling layer form a whole and the floor slab has stronger bearing capacity; the connecting assembly plays a role in supporting the concrete filling layer, plays a role in reinforcing the concrete filling layer and increases the bearing capacity of the concrete filling layer; the positioning steel bars play a role in supporting and connecting the two layers of steel bar meshes, and the upper surface and the lower surface of the connecting component can be abutted against the upper plane of the main beam and the floor bearing plate, so that the connecting component is stably clamped between the main beams, the connectivity of the concrete filling layer and the main beams is enhanced, and the integrity between the floor slab and the steel beams is improved; the abutting ribs play a role in connecting a plurality of positioning steel bars, so that the positioning steel bars can be pushed to drive all the positioning steel bars on two sides to move, and the convenience of operation is improved; the abutting ribs at the two ends of the transverse rib are oppositely pushed, the elastic piece is compressed by the abutting ribs, the size of the connecting assembly is reduced in the direction perpendicular to the main beams, after the connecting assembly is placed between the two adjacent main beams, the elastic piece deforms and restores and drives the abutting ribs to be away from the transverse ribs until the abutting ribs abut against the vertical plates of the main beams, so that the connecting assembly is just clamped between the main beams, when the connecting assembly is vibrated, the connecting assembly is not easy to move relative to the main beams in the vertical direction, the floor can be tightly connected with the steel beams, and the earthquake resistance of the floor is improved; the elastic piece is arranged, so that the connecting assembly can be placed between the main beams after the ground prefabrication is completed, the operation time of workers on the steel beams is reduced, and the safety is improved; meanwhile, the elastic piece can unload the vibration energy transmitted to the transverse rib, so that the influence of vibration on the floor is reduced, the integrity of the floor is ensured, and the shock resistance of the floor is improved.
The invention is further configured to: the elastic component is the elastic component of spring material, and the fixed muscle of a plurality of horizontally of butt muscle fixedly connected with is fixed muscle, and fixed muscle is parallel with horizontal muscle, horizontal muscle fixedly connected with level and the sliding sleeve parallel with self, and the outside of fixed muscle, fixed muscle and sliding sleeve sliding connection are located to the sliding sleeve cover.
By adopting the technical scheme, when the abutting ribs are pushed, the abutting ribs move to compress the elastic piece, and meanwhile, the fixed ribs slide in the sliding sleeve, so that the fixed ribs are limited by the sliding sleeve and can only move along the direction of the sliding sleeve, the abutting ribs are limited indirectly through the fixed ribs, the moving direction of the abutting ribs can only move along the direction of the sliding sleeve, the moving direction of the abutting ribs is more accurate, and the connecting assembly is more convenient to place between the main beams; when the shearing force that vibrations brought transmitted the reinforcing bar net, fixed muscle played the connection effect between to horizontal muscle and the butt muscle, and in the vertical direction, the intensity of fixed muscle was greater than the elastic component, made the difficult production deformation of coupling part between horizontal muscle and the butt muscle, made the difficult fracture of floor, has strengthened the shock resistance of floor.
The invention is further configured to: on the direction of perpendicular to girder, the position that the building carrier plate is close to self both ends has seted up a plurality of locating holes, and the equal fixedly connected with vertical decurrent location muscle in position that horizontal muscle is close to self tip, location muscle and locating hole looks adaptation, location muscle and building carrier plate fixed connection.
Through adopting above-mentioned technical scheme, through the location muscle, link together building carrier plate and coupling assembling, and the coupling assembling card is located between the adjacent girder, and the position of building carrier plate is difficult for removing, makes building carrier plate can be comparatively stable set up on the lower plane of two adjacent girders, has guaranteed the stable supporting role of building carrier plate to the concrete filling layer.
The invention is further configured to: the bottom that the location muscle was worn out the building carrier plate is buckled to the girder direction that self is close to pass through elastic connection with another location muscle that strides across the girder and be connected, elastic connection is the elastic connection of spring material.
By adopting the technical scheme, the positioning ribs cross over the main beams to be connected, so that the connecting assemblies positioned among different main beams are connected, and the integrity between the floor slab and the steel beams is further improved; when receiving vibrations, the elastic connecting piece can unload the vibration force transmitted to the positioning ribs crossing the girder and connected, so that the connected positioning ribs are not easy to break, the connection between the floor slab and the steel girder is not easy to break, and the shock resistance of the floor slab is improved.
The invention is further configured to: the tip of location muscle is around horizontal muscle circumference face around the round, and vertical downwards again, location muscle and the equal fixed connection of horizontal muscle butt department.
Through adopting above-mentioned technical scheme, increased the connection area of location muscle and horizontal muscle, made location muscle and horizontal muscle be connected more stable, guaranteed the stability that coupling assembling and girder are connected.
The invention is further configured to: the building carrier plate sets up two at least, is provided with the connecting plate between the adjacent building carrier plate, fixed connection between connecting plate and the building carrier plate.
Through adopting above-mentioned technical scheme, make between two adjacent main girders by a plurality of building carrier plates that the tie-beam is separated connected, the gap between the adjacent building carrier plate is filled to the connecting plate, makes the building carrier plate play even stable supporting role to the concrete filling layer.
The invention is further configured to: the top of girder is provided with first distribution muscle net, and first distribution muscle net and the equal fixed connection of a plurality of splice bars, the upper surface fixed connection of first distribution muscle net and girder and tie-beam, first distribution muscle net inlay locate the concrete filling layer inside.
Through adopting above-mentioned technical scheme, first distribution muscle net is connected a plurality of blocks from coupling assembling's top through the splice bar and is located the coupling assembling between the girder, combines the connection of location muscle, makes the upper and lower part of being connected with the concrete filling layer all grasp with the girder steel, has improved the compactness of being connected between floor and the girder steel to first distribution muscle net and girder and tie-beam fixed connection have further improved the wholeness between floor and the girder steel.
The invention is further configured to: the top fixedly connected with second distribution muscle net of first distribution muscle net, the equal fixed connection of second distribution muscle net and a plurality of splice bar, second distribution muscle net inlays and locates inside the concrete filling layer.
By adopting the technical scheme, the first distributed rib nets and the second distributed rib nets both play a role in reinforcing and supporting the concrete filling layer, so that the strength of the concrete filling layer is ensured, the concrete filling layer is not easy to deform and break due to vibration, and the shock resistance of the floor slab is improved; the second distribution rib net is connected with the first distribution rib net and the connecting assembly, and integrity between the floor slab and the steel beam is guaranteed.
The invention is further configured to: a manufacturing method of a steel structure earthquake-resistant floor slab for construction comprises the following specific steps: s1: two rows of positioning holes which are uniformly distributed are formed at the positions, close to the two ends, of the floor bearing plate, and each row of positioning holes is parallel to the main beam.
S2: according to the size of the rectangular interval divided by the connecting beam, the transverse bars and the longitudinal bars are fixedly connected to form a reinforcing mesh, the transverse bars and the vertical bars of the upper reinforcing mesh and the lower reinforcing mesh are in one-to-one correspondence, a plurality of connecting bars are welded between the upper reinforcing mesh and the lower reinforcing mesh, and the upper ends of the connecting bars exceed the height of the reinforcing meshes.
S3: prefabricating a connecting assembly, namely welding elastic pieces on two end parts of the transverse ribs to enable the deformation direction of the elastic pieces to be parallel to the transverse ribs; welding vertical positioning steel bars at one ends of the two elastic pieces which correspond up and down and are far away from the transverse bar, and welding the upper ends and the lower ends of the positioning steel bars with the elastic pieces connected with the steel bar nets which are arranged up and down respectively; welding horizontal abutting ribs on one side, away from the transverse rib, of the positioning reinforcing steel bar positioned on the same side, and welding two abutting ribs up and down; welding one end of the fixed rib with the abutting rib, enabling the other end of the fixed rib to horizontally face the direction of the transverse rib, and fixedly connecting the sliding sleeve on the outer wall of the transverse rib so that the fixed rib penetrates into the sliding sleeve and is in sliding connection with the sliding sleeve; and winding one end of the positioning rib around the transverse rib connected with the reinforcing mesh positioned on the lower layer by one circle, enabling the other end of the positioning rib to vertically face downwards, and welding the positioning rib and the whole circle connected with the transverse rib.
S4: put into the slope of building carrier plate between the last flat board of two adjacent girders and lower flat board, level the building carrier plate again, on the building carrier plate was set up the lower flat board of two adjacent girders promptly, the building carrier plate was on a parallel with girder direction's both ends were located between two adjacent tie-beams.
S5: erection joint subassembly, promote the butt muscle in opposite directions, the butt muscle is with the elastic component compression, make reinforcing bar net perpendicular to girder direction go up the size and reduce, put into between two adjacent girders with the reinforcing bar net, and make the location muscle insert in the locating hole, later loosen the hand, the deformation of elastic component resumes, the vertical board butt of butt muscle and girder, weld the muscle of will fixing a position with the building carrier plate, the bottom of wearing out the building carrier plate with the muscle of will fixing a position is buckled to the direction level that is close to the girder, fixed connection elastic connection spare between the tip of two location muscle that will stride across the girder.
S6: and binding the first distributed rib nets to enable the first distributed rib nets to be positioned on the upper surfaces of the main beams and the connecting beams, welding the first distributed rib nets with the main beams and the connecting beams, and then fixedly connecting the connecting ribs with the first distributed rib nets.
S7: and binding a second distributed rib net above the first distributed rib net to fixedly connect the second distributed rib net with the connecting ribs.
S8: and supporting a pouring template and pouring concrete below the main beam and the connecting beam.
Through adopting above-mentioned technical scheme, at first set up the locating hole on the building carrier plate after, set up the building carrier plate on the lower flat board of adjacent girder again, reduced the time of operation on the steelframe, improved the security, can connect the location muscle according to the interval between the locating hole when making later prefabricated coupling assembling.
The connecting rib is used for supporting the upper and lower layers of reinforcing meshes, so that the elastic piece and the positioning steel bar can be directly connected to the connected double layers of reinforcing meshes without manually supporting the upper layer of reinforcing meshes when the connecting component is prefabricated, and convenience in connection of the elastic piece and the positioning steel bar is improved.
Prefabricated coupling assembling, connect antidetonation subassembly, location muscle etc. at the reinforcing bar net, promote the butt muscle, the butt muscle is with the elastic component compression, coupling assembling size reduction in the direction of perpendicular to girder, coupling assembling can put into between two adjacent girders, so according to the rectangle spaced size that the girder was cut apart into by the tie-beam in advance, accomplish coupling assembling subaerial connection in advance, hoist and mount again and install on the steelframe. The process of building the connecting assembly is completed on the ground, so that the operation time of workers on the steel frame is reduced, and the safety is improved; meanwhile, the connecting assembly is prefabricated in advance, and the engineering progress is accelerated.
Set up the building carrier plate to the lower flat board of two adjacent girders, afterwards, promote the butt muscle in opposite directions, make the size reduction in the connecting components perpendicular to girder direction, move coupling assembling downwards, make the location muscle insert in the locating hole, bottom and building carrier plate butt up to coupling assembling, the deformation of elastic component resumes, the vertical board butt of butt muscle and girder, will fix a position muscle and building carrier plate welding, the location muscle is spacing to the locating hole, make the difficult removal in position of building carrier plate, make building carrier plate can be comparatively stable set up on the lower plane of two adjacent girders, the stable supporting role in layer is filled to the concrete to the building carrier plate has been guaranteed.
The bottom of wearing out the building carrier plate with the location muscle is buckled to the direction of the girder that is close to, stride across fixed connection elastic connection spare between the tip of two location muscle of girder, then connect gradually first distribution muscle net and second distribution muscle net from the coupling assembling top, make whole coupling assembling of being connected with the concrete filling layer, first distribution muscle net and second distribution muscle net etc. stride across the steelframe from top to bottom, make coupling assembling, the wholeness reinforcing of first distribution muscle net and second distribution muscle net and steelframe, the anti-seismic performance of steel sheet has been improved.
In conclusion, the beneficial technical effects of the invention are as follows:
1. through setting up floor carrier plate, coupling assembling, antidetonation subassembly, make the floor have stronger bearing capacity, guaranteed the wholeness of floor, improved the shock resistance of floor.
2. Through setting up fixed muscle and sliding sleeve, make horizontal muscle and the difficult deformation that produces of the coupling part between the butt muscle, make the difficult fracture of floor, strengthened the shock resistance of floor.
3. The bottom of the positioning rib is bent and connected with another positioning rib crossing the girder through the elastic connecting piece, integrity between the floor slab and the steel girder is improved, connection between the floor slab and the steel girder is not easy to break, and the shock resistance of the floor slab is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention perpendicular to the main beam.
Fig. 3 is a schematic view of the structure of the connecting assembly.
Fig. 4 is a schematic view of a structure intended to embody a connection plate.
In the drawings, 1, a steel beam; 11. a main beam; 12. a connecting beam; 13. a concrete filling layer; 2. a floor deck; 21. positioning holes; 22. a connecting plate; 3. a reinforcing mesh; 31. transverse ribs; 32. longitudinal ribs; 4. connecting ribs; 5. a second distribution rib net; 6. a first distribution web; 7. an anti-seismic assembly; 71. an elastic member; 72. positioning the reinforcing steel bars; 721. abutting against the rib; 722. fixing the ribs; 723. A sliding sleeve; 8. positioning ribs; 81. an elastic connecting piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the earthquake-resistant floor slab with a steel structure for buildings disclosed by the invention is arranged on a steel beam 1, the steel beam 1 comprises main beams 11 and connecting beams 12, the connecting beams 12 are connected between the adjacent and mutually parallel main beams 11, the connecting beams 12 are perpendicular to the main beams 11, the main beams 11 are main beams 11 with an i-shaped steel structure, the steel beam 1 is provided with a concrete filling layer 13, the lower flat plates of the two adjacent main beams 11 are provided with floor support plates 2, the floor support plates 2 are positioned below the concrete filling layer 13, and the surface embossing of the floor support plates 2 ensures that the floor support plates 2 and the concrete filling layer 13 are combined closely, so that the floor slab has stronger bearing capacity; the building carrier plate 2 is provided with a connecting component above, the connecting component is embedded in the concrete filling layer 13 and plays a role in supporting and reinforcing the concrete filling layer 13, so that the bearing capacity of the floor is enhanced, when the floor is vibrated, the floor is not easy to break, the connecting component is positioned between two adjacent main beams 11, the connecting component comprises a horizontal reinforcing mesh 3, the reinforcing mesh 3 is arranged in an upper layer and a lower layer, a plurality of connecting ribs 4 are fixedly connected between the two layers of reinforcing meshes 3, the upper layer and the lower layer of reinforcing meshes 3 are respectively close to an upper flat plate of the main beams 11 and the floor carrier plate 2, the reinforcing mesh 3 comprises a plurality of transverse ribs 31 and a plurality of longitudinal ribs 32, the transverse ribs 31 are perpendicular to the main beams 11, the two ends of each transverse rib 31 are fixedly connected with anti-vibration components 7, the connecting component is clamped between the two adjacent main, make coupling assembling and girder 11 be connected comparatively closely to the wholeness of floor and girder steel 1 has been strengthened.
Referring to fig. 3, the anti-seismic assembly 7 includes an elastic member 71 and positioning steel bars 72, the elastic member 71 is an elastic member 71 made of a spring material, the elastic member 71 is fixedly connected to both ends of each transverse bar 31, the other end of the elastic member 71 extends toward the main beam 11, the deformation direction of the elastic member 71 is parallel to the extension direction of the transverse bar 31, the positioning steel bars 72 are vertically arranged, the positioning steel bars 72 are fixedly connected to the end portions of the elastic members 71 far away from the transverse bars 31, the positioning steel bars 72 are connected to the upper and lower layers of steel bar nets 3, and the upper and lower ends of the positioning steel bars 72 are respectively abutted to the upper flat plate of the main beam 11 and the floor deck 2; one side of the positioning steel bar 72, which is far away from the transverse bar 31, is fixedly connected with a butting bar 721 which is horizontal and parallel to the main beam 11, the butting bar 721 is butted with a vertical plate of the main beam 11, each connecting assembly is provided with four butting bars 721, the positions, close to the upper end and the lower end, of the positioning steel bar 72 at the same end of the transverse bar 31 are connected with the butting bars 721, the butting bars 721 connect the positioning steel bars 72 at the two ends of the transverse bar 31, so that the positioning steel bars 72 at the two sides can be driven to move by pushing the positioning steel bars 72, and the convenience in operation is; the positioning reinforcing steel bars 72 at the two ends of the transverse rib 31 are pushed in opposite directions, the elastic piece 71 is compressed, the size of the connecting assembly is reduced in the direction perpendicular to the main beams 11, so that the connecting assembly can be placed between every two adjacent main beams 11, then, the elastic piece 71 deforms and recovers and drives the abutting ribs 721 to abut against the vertical plates of the main beams 11, the connecting assembly is just clamped between the main beams 11, the connecting assembly can be placed between the main beams 11 after the ground prefabrication is completed, so that a worker does not need to set up the connecting assembly on the steel beam 1, and the safety and the convenience in setting up the connecting assembly are improved; the elastic piece 71 can remove the vibration energy transferred to the transverse rib 31, thereby reducing the influence of vibration on the floor slab, ensuring the integrity of the floor slab and improving the shock resistance of the floor slab.
Referring to fig. 3, the abutting rib 721 is fixedly connected with a plurality of horizontal fixing ribs 722, the fixing ribs 722 are perpendicular to the longitudinal rib 32, one end of each fixing rib 722 is fixedly connected to one side of the abutting rib 721 close to the transverse rib 31, the other end of each fixing rib 722 extends towards the direction close to the midpoint of the transverse rib 31, the transverse rib 31 is fixedly connected with a horizontal sliding sleeve 723 parallel to the transverse rib 31, the sliding sleeve 723 is sleeved outside the fixing ribs 722, and the fixing ribs 722 are slidably connected with the sliding sleeve 723. When the abutting ribs 721 move to compress the elastic part 71, the fixing ribs 722 are limited by the sliding sleeve 723 and horizontally move in the sliding sleeve 723, and the strength of the fixing ribs 722 is greater than that of the elastic part 71, so that the connecting part between the transverse ribs 31 and the abutting ribs 721 is not easy to deform in the vertical direction, the floor slab is not easy to break, and the shock resistance of the floor slab is enhanced.
Referring to fig. 2 and 4, the floor support plate 2 is provided with two rows of positioning holes 21, the two rows of positioning holes 21 are parallel to each other, in the direction perpendicular to the main beam 11, two rows of positioning holes 21 are respectively arranged at the positions of the floor support plate 2 close to the two ends of the floor support plate, the positions of the transverse ribs 31 of the lower layer of the reinforcing mesh 3 close to the two ends of the floor support plate are fixedly connected with vertical downward positioning ribs 8, the end parts of the positioning ribs 8 are wound by one circle around the circumferential surfaces of the transverse ribs 31, then the transverse ribs are vertically downward, the butting parts of the positioning ribs 8 and the transverse ribs 31 are all welded and connected, the distance between two positioning ribs 8 connected by the same transverse rib 31 is equal to the distance between the two rows of positioning holes 21, the positioning ribs 8 are matched with the positioning holes 21, so that the positioning ribs 8 can penetrate through the positioning holes 21, the positioning ribs 8 are fixedly connected with the floor support plate 2, the positioning ribs 8 enable the floor support plate 2 to be difficult to move, and the floor; the positioning rib 8 penetrates through the bottom end of the floor bearing plate 2 and is bent towards the direction of the main beam 11 close to the positioning rib 8, and is connected with the other positioning rib 8 crossing over the main beam 11 through an elastic connecting piece, the elastic connecting piece is made of a spring material, when the elastic connecting piece is vibrated, the vibration on the positioning rib 8 can be removed through the elastic connecting piece, the elastic connecting piece can generate large deformation without fracture, the connected positioning rib 8 is not easy to fracture, the connection between the floor slab and the steel beam 1 is not easy to fracture, and the earthquake resistance of the floor slab is improved; building carrier plate 2 sets up two at least, is provided with connecting plate 22 between the adjacent building carrier plate 2, and connecting plate 22 sets up at the upper surface of adjacent building carrier plate 2 to with building carrier plate 2 between welded connection.
Referring to fig. 2, a first distributed rib net 6 is arranged above a main beam 11, the first distributed rib net 6 is fixedly connected with a plurality of connecting ribs 4, the first distributed rib net 6 is fixedly connected with the upper surfaces of the main beam 11 and a connecting beam 12, a second distributed rib net 5 is fixedly connected above the first distributed rib net 6, the second distributed rib net 5 is fixedly connected with the connecting ribs 4, the first distributed rib net 6 and the second distributed rib net 5 are embedded in a concrete filling layer 13, and the concrete filling layer 13 is reinforced and supported, so that the concrete filling layer 13 is not deformed and broken due to vibration, and the earthquake resistance of a floor slab is improved; first distribution muscle net 6 and second distribution muscle net 5 locate the coupling assembling between the girder 11 with a plurality of blocks from coupling assembling's top through splice bar 4 and couple together, combine the connection of location muscle 8, make the upper and lower part of being connected with concrete filling layer 13 all grasp with girder steel 1, have improved the compactness of being connected between floor and the girder steel 1.
Example two
A manufacturing method of a steel structure earthquake-resistant floor slab for construction comprises the following specific steps: s1: two rows of positioning holes 21 which are uniformly distributed are formed at the positions, close to the two ends, of the floor support plate 2, and each row of positioning holes 21 is parallel to the main beam 11.
S2: according to the size of the rectangular interval divided by the connecting beam 12 of the main beam 11, the transverse bars 31 and the longitudinal bars 32 are fixedly connected to form the reinforcing mesh 3, so that the transverse bars 31 and the vertical bars of the upper reinforcing mesh 3 and the lower reinforcing mesh 3 are in one-to-one correspondence, a plurality of connecting bars 4 are welded between the upper reinforcing mesh 3 and the lower reinforcing mesh 3, and the upper ends of the connecting bars 4 exceed the height of the reinforcing meshes 3.
S3: prefabricating a connecting assembly, namely welding two end parts of the transverse rib 31 with the elastic parts 71 to ensure that the deformation direction of the elastic parts 71 is parallel to the transverse rib 31; vertical positioning steel bars 72 are welded at one ends of the two elastic pieces 71 corresponding to the upper and lower ends, which are far away from the transverse bars 31, and the upper and lower ends of the positioning steel bars 72 are respectively welded and connected with the elastic pieces 71 connected with the steel bar nets 3 arranged up and down; welding the horizontal abutting ribs 721 to the side, away from the transverse rib 31, of the positioning steel bar 72 on the same side, and welding the two abutting ribs 721 up and down; welding one end of the fixing rib 722 with the abutting rib 721, enabling the other end to horizontally face the direction of the transverse rib 31, and fixedly connecting a sliding sleeve 723 on the outer wall of the transverse rib 31, so that the fixing rib 722 penetrates into the sliding sleeve 723 and is in sliding connection with the sliding sleeve 723; and (3) winding one end of the positioning rib 8 around the transverse rib 31 connected with the reinforcing mesh 3 positioned on the lower layer, enabling the other end of the positioning rib 8 to vertically face downwards, and welding the whole ring of the positioning rib 8 and the transverse rib 31.
S4: put into the slope of building carrier plate 2 between the last flat board of two adjacent girder 11 and lower flat board, put level building carrier plate 2 again, building carrier plate 2 sets up promptly on the lower flat board of two adjacent girder 11, and building carrier plate 2 is on a parallel with girder 11 ascending both ends of orientation and is located between two adjacent tie-beams 12.
S5: installation coupling assembling, promote butt muscle 721 in opposite directions, butt muscle 721 compresses elastic component 71, make the reinforcing bar net 3 perpendicular to 11 direction upward sizes of girder reduce, put into between two adjacent girders 11 reinforcing bar net 3, and make location muscle 8 insert in the locating hole 21, later loosen the hand, the deformation of elastic component 71 resumes, butt muscle 721 and the vertical board butt of girder 11, weld location muscle 8 and building carrier plate 2, wear out the bottom of building carrier plate 2 with location muscle 8 and buckle to the direction level that is close to girder 11, will stride across fixed connection elastic connection spare between the tip of two location muscle 8 of girder 11.
S6: and binding the first distributed reinforcing mesh 6 to ensure that the first distributed reinforcing mesh 6 is positioned on the upper surfaces of the main beam 11 and the connecting beam 12, welding the first distributed reinforcing mesh 6 with the main beam 11 and the connecting beam 12, and then fixedly connecting the connecting rib 4 with the first distributed reinforcing mesh 6.
S7: and binding a second distributed rib net 5 above the first distributed rib net 6 to fixedly connect the second distributed rib net 5 with the connecting ribs 4.
S8: and supporting a pouring template below the main beams 11 and the connecting beams 12, and pouring concrete.
The implementation principle of the embodiment is as follows: two rows of positioning holes 21 are formed at the positions, close to the two ends, of the floor support plate 2; according to the size of the rectangular interval that girder 11 is cut apart into by tie-beam 12, select the horizontal muscle 31 and the vertical muscle 32 of suitable length, make horizontal muscle 31 and vertical muscle 32 mutually perpendicular, and get up its fixed connection and form reinforcing bar net 3, many vertical tie-bars 4 of fixed connection between two-layer reinforcing bar net 3, make the horizontal muscle 31 and the vertical bar one-to-one of two reinforcing bar nets 3 from top to bottom, the upper end of tie-bar 4 surpasss the height of reinforcing bar net 3, it is comparatively convenient to reserve highly to make the connection first distribution reinforcing bar net 6 and the second distribution reinforcing bar net 5 in the upper end of tie-bar 4, tie-bar 4 supports two-layer reinforcing bar net 3, be convenient for seismic component 7's connection.
The two ends of each transverse bar 31 are respectively welded with an elastic part 71, so that the deformation direction of the elastic part 71 is parallel to the transverse bar 31, the transverse bars 31 of the upper and lower reinforcing meshes 3 are in one-to-one correspondence, the elastic parts 71 are in one-to-one correspondence, a vertical positioning reinforcing steel bar 72 is welded at one end of the elastic part 71 far away from the transverse bar 31, the positioning reinforcing steel bar 72 is fixedly connected with the end parts of the upper and lower layers of elastic parts 71, a horizontal abutting rib 721 is welded at one side of the positioning reinforcing steel bar 72 far away from the transverse bar 31, and the positions of the positioning reinforcing steel bar 72 near the upper and lower ends of the same side are respectively welded with one; welding one end of a horizontal fixing rib 722 and one side of the abutting rib 721 facing the transverse rib 31, extending the other end of the fixing rib 722 horizontally towards the transverse rib 31, sleeving a sliding sleeve 723 outside the fixing rib 722, slidably connecting the sliding sleeve 723 with the fixing rib 722, and fixedly connecting the sliding sleeve 723 with the transverse rib 31; the horizontal muscle 31 that the reinforcing bar net 3 that is located the lower floor is connected with the one end of location muscle 8 winds the round, makes the vertical downwards of the 8 other ends of location muscle, and the whole circle that will fix a position muscle 8 and horizontal muscle 31 and be connected all welds up, and coupling assembling finishes promptly prefabricating, and coupling assembling prefabricates in advance, is favorable to accelerating the engineering progress.
The floor bearing plate 2 is obliquely placed between the upper flat plate and the lower flat plate of the two adjacent main beams 11, then the floor bearing plate 2 is laid flat, and the floor bearing plate 2 is erected on the lower flat plate of the two adjacent main beams 11; promote butt muscle 721 in opposite directions, butt muscle 721 compresses elastic component 71, fixed muscle 722 slides in sliding sleeve 723 simultaneously, make the ascending size of reinforcing bar net 3 perpendicular to girder 11 direction reduce, put into between two adjacent girders 11 reinforcing bar net 3, and make location muscle 8 insert in the locating hole 21, later loosen the hand, elastic component 71's deformation resumes, butt muscle 721 and girder 11's vertical board butt, will fix a position muscle 8 and floor support plate 2 and weld, wear out the bottom of floor support plate 2 with location muscle 8 and buckle to the direction level that is close to girder 11, will stride across fixed connection elastic connection spare between the tip of two location muscle 8 of girder 11. When the floor slab is used, the fixing ribs 722 can only move along the direction of the sliding sleeve 723, and the arrangement of the fixing ribs 722 ensures that the connecting part between the transverse ribs 31 and the abutting ribs 721 is not easy to deform in the vertical direction, so that the floor slab is not easy to break, and the shock resistance of the floor slab is enhanced; the vibration transmitted to the transverse ribs 31 can be discharged by the elastic pieces 71, so that the influence of the vibration on the floor is reduced, and the shock resistance of the floor is improved; the vibration force transmitted to the positioning ribs 8 can be removed by the elastic connecting pieces, the elastic connecting pieces can generate large deformation without fracture, the positioning ribs 8 connected with each other are not easy to fracture, the floor slab and the steel beam 1 are not easy to fracture, and the vibration resistance of the floor slab is improved.
The first distributed rib nets 6 are bound on the upper surfaces of the main beams 11, the first distributed rib nets 6 are welded with the main beams 11 and the connecting beams 12, then the connecting ribs 4 are welded with the first distributed rib nets 6, the second distributed rib nets 5 are bound above the first distributed rib nets 6, and the second distributed rib nets 5 are fixedly connected with the connecting ribs 4. The first distributed reinforcing mesh 6 and the second distributed reinforcing mesh 5 play a role in reinforcing and supporting the concrete filling layer 13 on the upper part of the steel beam 1, so that the concrete filling layer 13 is not easy to deform and break when being vibrated, and the earthquake resistance of the floor slab is improved; through splice bar 4, second distribution rib net 5 is connected with first distribution rib net 6 and coupling assembling, has strengthened the wholeness between floor and the girder steel 1.
And supporting a pouring template below the main beams 11 and the connecting beams 12, and pouring concrete to form a concrete filling layer 13.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a steel construction antidetonation floor for building sets up on girder steel (1), and girder steel (1) includes girder (11) and tie-beam (12), and tie-beam (12) are connected between adjacent and girder (11) that are parallel to each other, and girder (11) are the I-steel, its characterized in that: the lower flat plate of two adjacent main beams (11) is provided with a floor bearing plate (2), a connecting assembly is arranged between the two main beams (11), the connecting assembly is positioned above the floor bearing plate (2), the connecting assembly comprises a horizontal reinforcing mesh (3), the reinforcing mesh (3) is arranged in an upper layer and a lower layer, a connecting bar (4) is connected between the two layers of reinforcing meshes (3), the reinforcing mesh (3) comprises a plurality of transverse bars (31) and a plurality of longitudinal bars (32), the transverse bars (31) are vertical to the main beams (11), both ends of the plurality of transverse bars (31) are fixedly connected with abutting bars (721) which are horizontal and parallel to the main beams (11), the abutting bars (721) are abutted against the vertical plate of the main beams (11), the transverse bars (31) are provided with anti-seismic assemblies (7), each anti-seismic assembly (7) comprises an elastic piece (71) and a positioning steel bar (72), and the elastic pieces (71) are fixedly connected between the positioning steel, the vertical setting of positioning bar (72), positioning bar (72) fixed connection are kept away from the tip of horizontal muscle (31) in elastic component (71), and butt muscle (721) fixed connection is close to the position at both ends about positioning bar (72), and girder steel (1) is provided with concrete filling layer (13), and floor carrier plate (2) are located the below of concrete filling layer (13), and coupling assembling inlays to be located inside concrete filling layer (13).
2. The constructional steel structure earthquake-resistant floor as claimed in claim 1, wherein: elastic component (71) are elastic component (71) of spring material, and butt muscle (721) a plurality of horizontally fixed muscle (722) of fixedly connected with, fixed muscle (722) are parallel with horizontal muscle (31), and horizontal muscle (31) fixedly connected with level and sliding sleeve (723) parallel with self, the outside of fixed muscle (722) is located to sliding sleeve (723) cover, fixed muscle (722) and sliding sleeve (723) sliding connection.
3. The constructional steel structure earthquake-resistant floor as claimed in claim 1, wherein: in the direction of perpendicular to girder (11), a plurality of locating holes (21) have been seted up to the position that building carrier plate (2) are close to self both ends, and horizontal muscle (31) are close to the vertical decurrent location muscle (8) of the equal fixedly connected with in position of self tip, location muscle (8) and locating hole (21) looks adaptation, location muscle (8) and building carrier plate (2) fixed connection.
4. The constructional steel structure earthquake-resistant floor as claimed in claim 3, wherein: the bottom that floor carrier plate (2) was worn out in location muscle (8) is buckled to girder (11) direction that self is close to pass through elastic connection spare with another location muscle (8) that stride girder (11) and be connected, elastic connection spare is the elastic connection spare of spring material.
5. The constructional steel structure earthquake-resistant floor as claimed in claim 3, wherein: the tip of location muscle (8) is around horizontal muscle (31) circumference face around the round, and vertical downwards again, location muscle (8) and horizontal muscle (31) butt department equal fixed connection.
6. The constructional steel structure earthquake-resistant floor as claimed in claim 3, wherein: the floor support plates (2) are at least two, a connecting plate (22) is arranged between every two adjacent floor support plates (2), and the connecting plate (22) is fixedly connected with the floor support plates (2).
7. The constructional steel structure earthquake-resistant floor as claimed in claim 3, wherein: the concrete filling layer is characterized in that a first distribution rib net (6) is arranged above the main beam (11), the first distribution rib net (6) is fixedly connected with the connecting ribs (4), the first distribution rib net (6) is fixedly connected with the upper surfaces of the main beam (11) and the connecting beam (12), and the first distribution rib net (6) is embedded inside the concrete filling layer (13).
8. The constructional steel structure earthquake-resistant floor as claimed in claim 7, wherein: the upper portion of the first distributed rib net (6) is fixedly connected with a second distributed rib net (5), the second distributed rib net (5) is fixedly connected with a plurality of connecting ribs (4), and the second distributed rib net (5) is embedded inside the concrete filling layer (13).
9. The manufacturing method of the anti-seismic structural steel slab for construction according to any one of claims 3 to 8, which comprises the following specific steps:
s1: arranging two rows of uniformly distributed positioning holes at positions close to two ends of the floor bearing plate, wherein each row of positioning holes is parallel to the main beam;
s2: according to the size of the rectangular interval divided by the connecting beam, the transverse bars and the longitudinal bars are fixedly connected to form a reinforcing mesh, so that the transverse bars and the vertical bars of the upper reinforcing mesh and the lower reinforcing mesh are in one-to-one correspondence from top to bottom, a plurality of connecting bars are welded between the upper reinforcing mesh and the lower reinforcing mesh, and the upper ends of the connecting bars exceed the height of the reinforcing meshes;
s3: prefabricating a connecting assembly, namely welding elastic pieces on two end parts of the transverse ribs to enable the deformation direction of the elastic pieces to be parallel to the transverse ribs; placing the two reinforcing mesh up and down, welding a vertical positioning reinforcing steel bar at one end of each elastic piece far away from the transverse bar, and welding the upper end and the lower end of each positioning reinforcing steel bar with the elastic piece connected with the reinforcing mesh placed up and down respectively; welding horizontal abutting ribs on one side, away from the transverse rib, of the positioning reinforcing steel bar positioned on the same side, and welding two abutting ribs up and down; welding one end of the fixed rib with the abutting rib, enabling the other end of the fixed rib to horizontally face the direction of the transverse rib, and fixedly connecting the sliding sleeve on the outer wall of the transverse rib so that the fixed rib penetrates into the sliding sleeve and is in sliding connection with the sliding sleeve; winding one end of the positioning bar around a transverse bar connected with a reinforcing mesh positioned at the lower layer for one circle, enabling the other end of the positioning bar to vertically face downwards, and welding the positioning bar and the whole circle connected with the transverse bar;
s4: the floor bearing plate is obliquely placed between an upper flat plate and a lower flat plate of two adjacent main beams, then the floor bearing plate is flatly placed, the floor bearing plate is erected on the lower flat plate of the two adjacent main beams, and two ends of the floor bearing plate parallel to the main beams are positioned between the two adjacent connecting beams;
s5: installing a connecting assembly, pushing the abutting ribs in opposite directions, compressing the elastic piece by the abutting ribs, reducing the size of the reinforcing mesh in the direction perpendicular to the main beams, putting the reinforcing mesh between two adjacent main beams, inserting the positioning ribs into the positioning holes, then loosening the hands, recovering the deformation of the elastic piece, abutting the abutting ribs with the vertical plates of the main beams, welding the positioning ribs with the floor bearing plates, horizontally bending the bottom ends of the positioning ribs penetrating out of the floor bearing plates to the direction close to the main beams, and fixedly connecting the elastic connecting piece between the end parts of the two positioning ribs crossing over the main beams;
s6: binding a first distributed rib net to enable the first distributed rib net to be located on the upper surfaces of the main beam and the connecting beam, welding the first distributed rib net with the main beam and the connecting beam, and then fixedly connecting the connecting ribs with the first distributed rib net;
s7: binding a second distributed rib net above the first distributed rib net to ensure that the second distributed rib net is fixedly connected with the connecting ribs;
s8: and supporting a pouring template and pouring concrete below the main beam and the connecting beam.
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