CN112323987B - Prefabricated stiffened steel pipe concrete column and profiled steel sheet combined plate joint and construction process - Google Patents
Prefabricated stiffened steel pipe concrete column and profiled steel sheet combined plate joint and construction process Download PDFInfo
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- CN112323987B CN112323987B CN202011255310.XA CN202011255310A CN112323987B CN 112323987 B CN112323987 B CN 112323987B CN 202011255310 A CN202011255310 A CN 202011255310A CN 112323987 B CN112323987 B CN 112323987B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 526
- 239000010959 steel Substances 0.000 title claims abstract description 526
- 239000004567 concrete Substances 0.000 title claims abstract description 171
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 108
- 238000004873 anchoring Methods 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 239000011150 reinforced concrete Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 3
- 238000004891 communication Methods 0.000 claims 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
- E04B1/388—Separate connecting elements
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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Abstract
The invention provides a prefabricated stiffened steel pipe concrete column and profiled steel sheet combined plate node and a construction process, wherein the node comprises a stiffened steel pipe concrete column, a profiled steel sheet combined plate and a connecting assembly, the stiffened steel pipe concrete column comprises an inner steel pipe and a steel reinforcement framework, the steel reinforcement framework comprises longitudinal bars and stirrups, the longitudinal bars are erected on the outer side of the inner steel pipe, the stirrups are bound outside the longitudinal bars, the steel reinforcement framework is connected with the inner steel pipe to enable the steel reinforcement framework to surround the inner steel pipe, core concrete is poured in the inner steel pipe, the profiled steel sheet combined plate is provided with a first connecting hole, and the profiled steel sheet combined plate comprises: profiled steel sheet and first reinforcing bar net, first reinforcing bar net parallel arrangement has concreting between profiled steel sheet and the reinforcing bar net, and strength nature steel core concrete column passes first connecting hole to be connected with the profiled steel sheet compoboard through coupling assembling.
Description
Technical Field
The invention belongs to the field of building structures, and particularly relates to a prefabricated stiffened concrete-filled steel tubular column and profiled steel sheet composite plate node and a construction process.
Background
In the column-slab structure, the floor slab is directly supported on the column, and the floor load is directly transmitted to the structural system of the column, which is also called a flat slab structure. Compared with the traditional dense-rib floor system, the column-plate structure has the advantages of good integrity, large available space and the like. The connection of the column-plate structure at the present stage mainly adopts a cast-in-place mode, a large number of templates are required in the construction process, the construction progress is slow, and the environmental pollution is large. And the assembled component can be processed in a factory, so that industrial production is realized, the construction process is less influenced by seasons and environment, the field wet operation is reduced, the emission of waste gas and waste water is effectively avoided, and the environment-friendly construction is met. The reinforced concrete column and the reinforced concrete slab in the existing cast-in-place column-slab structure have the defects that the bending rigidity of a structural system is reduced, the deflection is increased, the shearing stress around the column is highly concentrated, the local punching damage of the slab is easily caused, and even the integral collapse of the structure is caused because a rib beam is not used.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a prefabricated stiffened concrete-filled steel tubular column and profiled steel sheet composite plate node in the first aspect.
The second aspect of the invention provides a construction process for a prefabricated stiffened steel pipe concrete column and profiled steel sheet composite plate node.
The third aspect of the invention provides another construction process for the prefabricated stiffened steel pipe concrete column and profiled steel sheet composite plate node.
In view of this, the first aspect of the present invention provides a prefabricated stiffened steel pipe concrete column and profiled steel sheet composite panel node, including a stiffened steel pipe concrete column, a profiled steel sheet composite panel and a connecting assembly, where the stiffened steel pipe concrete column includes an inner steel pipe and a steel reinforcement framework, the steel reinforcement framework includes longitudinal bars and stirrups, the longitudinal bars are erected outside the inner steel pipe, the stirrups are bound outside the longitudinal bars, the steel reinforcement framework is connected with the inner steel pipe, so that the steel reinforcement framework surrounds the inner steel pipe, core concrete is poured into the inner steel pipe, the profiled steel sheet composite panel is provided with a first connecting hole, and the profiled steel sheet composite panel includes: profiled steel sheet and first reinforcing bar net, first reinforcing bar net parallel arrangement has concreting between profiled steel sheet and the reinforcing bar net, and strength nature steel core concrete column passes first connecting hole to be connected with the profiled steel sheet compoboard through coupling assembling.
Preferably, the stiff steel tube concrete column further comprises a circumferential steel plate sleeve and an anchoring steel bar, the vertical end of the anchoring steel bar is welded on the inner steel tube or the outer steel bar framework, the circumferential steel plate sleeve is sleeved outside the inner steel tube, the horizontal end of the anchoring steel bar is welded on the circumferential steel plate sleeve, concrete is poured in the circumferential steel plate sleeve and the inner steel tube, the profiled steel plate composite plate is further provided with a second connecting hole which is circumferentially arranged around the first connecting hole, the connecting assembly comprises an upper outer ring plate, a lower outer ring plate and a plurality of first bolts, the upper outer ring plate and the lower outer ring plate are both annular, the upper outer ring plate is provided with a third connecting hole and a plurality of fourth connecting holes, the fourth connecting holes are circumferentially arranged around the edge of the third connecting hole, the lower outer ring plate is provided with a fifth connecting hole and a plurality of sixth connecting holes, and the sixth connecting holes are circumferentially arranged around the edge of the fifth connecting hole, the stiff steel pipe concrete column penetrates through the fifth connecting hole, the stiff steel pipe concrete column is welded with the lower outer ring plate, the stiff steel pipe concrete column penetrates through the first connecting hole and the third connecting hole in sequence, the upper outer ring plate is placed on the profiled steel sheet composite plate and welded with the stiff steel pipe concrete column, the sixth connecting hole, the second connecting hole and the fourth connecting hole are matched, the first bolt penetrates through the sixth connecting hole, the second connecting hole and the fourth connecting hole in sequence, and is matched with the nut to realize connection of the stiff steel pipe concrete column and the profiled steel sheet composite plate.
Preferably, the stiff steel tube concrete column further comprises an overhanging profiled steel sheet composite plate and an embedded part, the embedded part is welded on the outer wall of the steel tube, a seventh connecting hole is formed in the overhanging profiled steel sheet composite plate, the stiff steel tube concrete column can penetrate through the overhanging profiled steel sheet composite plate, the overhanging profiled steel sheet composite plate comprises an overhanging profiled steel sheet and a second reinforcing mesh, the second reinforcing mesh is arranged above the overhanging profiled steel sheet and is bound with a reinforcing steel framework of the inner steel tube, and concrete is poured in the steel tube, between the steel tube and the overhanging profiled steel sheet composite plate and on the overhanging profiled steel sheet composite plate.
Preferably, the connecting assembly comprises a first flange plate, a second flange plate and a plurality of second bolts, the first flange plate is annularly arranged and is arranged around the edge of the outward-extending profiled steel sheet combined plate and is welded with the outward-extending profiled steel sheet combined plate, a plurality of eighth connecting holes and first anchoring bolts are arranged on the first flange, the second flange plate is annularly arranged and is arranged around the edge of the first connecting hole of the profiled steel sheet combined plate and is welded with the edge of the first connecting hole of the profiled steel sheet combined plate, a plurality of ninth connecting holes and second anchoring bolts are arranged on the second flange, the eighth connecting holes are matched with the ninth connecting holes, the second bolts penetrate through the ninth connecting holes and the eighth connecting holes, and the first flange plate and the second flange plate are connected through nuts, so that the stiff steel pipe concrete is connected with the profiled steel sheet combined plate.
Preferably, the first flange plate and the second flange plate are the same in shape.
The second aspect of the invention provides a construction process for a prefabricated stiffened steel pipe concrete column and profiled steel sheet composite plate node, which comprises the following steps:
step 1: the manufacturing method comprises the following steps of manufacturing the stiff concrete-filled steel tube column, firstly erecting longitudinal bars on the outer sides of inner steel tubes, binding stirrups outside the longitudinal bars to form a reinforcement cage, enabling the reinforcement cage to surround the inner steel tubes, then welding the end parts of vertical sections of anchoring reinforcements on the inner steel tubes or the outer reinforcement cage, welding annular steel plate sleeves on the end parts of horizontal sections of the anchoring reinforcements, and finally pouring core concrete of the inner steel tubes and concrete in the annular steel plate sleeves to finish the manufacturing of the stiff concrete-filled steel tube column;
step 2: manufacturing a profiled steel sheet composite board, arranging a first connecting hole and a second connecting hole in the middle of a profiled steel sheet, placing a first reinforcing mesh above the profiled steel sheet in an air manner by using a template, and pouring concrete into the template to form a whole full-thickness profiled steel sheet composite board with the reinforcing mesh;
and step 3: installing the stiff steel tube concrete column and the profiled composite board, enabling the stiff steel tube concrete column to penetrate through a fifth connecting hole of the lower outer ring board, welding the lower outer ring board at the lower end of the stiff steel tube concrete column, then lifting the profiled steel sheet composite board to the top of the stiff steel tube concrete column, enabling the stiff steel tube concrete column to penetrate through the first connecting hole, aligning a second connecting hole on the profiled steel sheet composite board with a sixth connecting hole of the lower outer ring board, then enabling a third connecting hole on the upper outer ring board to penetrate through the stiff steel tube concrete column, enabling the upper outer ring board to be placed on the profiled steel sheet combination, aligning the fourth connecting hole with the second connecting hole, and then enabling the upper outer ring board and the stiff steel tube concrete column; and finally, the first bolt sequentially penetrates through the sixth connecting hole of the lower outer ring plate, the second connecting hole in the profiled steel sheet combined plate and the fourth connecting hole in the upper outer ring plate, and the nut is screwed for fixing to complete assembly.
The third aspect of the invention provides a construction process for a prefabricated stiffened steel pipe concrete column and profiled steel sheet composite plate node, which comprises the following steps:
step 1: manufacturing the stiff concrete-filled steel tube column, firstly selecting an outward extending profiled steel sheet, arranging a seventh connecting hole for allowing the steel tube longitudinal ribs and the steel tube to pass through on the outward extending profiled steel sheet, fixing the outward extending profiled steel sheet to ensure that the steel tube longitudinal ribs surround the inner steel tube in the circumferential direction, then welding embedded parts on the outer wall of the steel pipe, binding stirrups on the longitudinal bars to form a steel pipe reinforcement framework, and fixing the steel pipe reinforcement framework on the upper side and the lower side of the externally extending compression-type steel plate in an encrypted manner, laying a second steel bar mesh, arranging a first steel bar mesh frame above the outward extending profiled steel sheet, binding the first steel bar mesh frame with a steel bar framework outside the inner steel tube, fixing a first flange plate at the edge of the outward extending profiled steel sheet in the circumferential direction, respectively welding the first steel bar mesh and the outward extending profiled steel sheet to the first flange plate, and integrally casting inner steel tube core concrete, steel tube outer stiff steel tube concrete column body concrete and outward extending profiled steel sheet combined plate concrete to complete the manufacturing of the stiff steel tube concrete column;
step 2: manufacturing a profiled steel sheet composite slab, selecting a profiled steel sheet, arranging a first connecting hole in the middle of the profiled steel sheet, emptying the first reinforcing mesh above the profiled steel sheet by using a template, welding a second flange plate on the edge of the first connecting hole of the profiled steel sheet in the circumferential direction, welding the second reinforcing mesh on the second flange plate, and finally, integrally pouring concrete on the profiled steel sheet composite slab by using the template.
And step 3: the method comprises the steps of installing a stiff steel tube concrete column and a profiled steel sheet composite board assembly, firstly arranging temporary supports on the periphery of the stiff steel tube concrete column, hoisting the profiled steel sheet composite board to the top of the stiff steel tube concrete column, enabling the stiff steel tube concrete column to penetrate through a first connecting hole in the profiled steel sheet composite board, slowly moving the profiled steel sheet composite board to the middle of the stiff steel tube concrete column, finally aligning an eighth connecting hole in a first flange with a ninth connecting hole in a second flange, sequentially penetrating the ninth connecting hole and the eighth connecting hole through a second bolt, screwing a nut for fixation, and completing assembly.
Compared with the prior art, the invention has the beneficial effects that: compared with a reinforced concrete column, the ductility of concrete is effectively improved by the stiff steel tube concrete column, the seismic performance of the concrete is greatly improved, in addition, the concrete provides lateral restraint for steel, the mechanical performance of the steel is ensured, and the steel cannot quit working in advance due to instability; compared with reinforced concrete slabs, the combination effect of the profiled steel sheets and the concrete can completely or partially replace stressed steel bars in the floor slab, and the profiled steel sheet composite slab has higher rigidity, smaller self weight, reduced earthquake reaction and powerful structural stress. The steel pipe concrete column is used as a bearing column in a column-plate structure, and the profiled steel plate concrete composite plate is used as a plate structure, so that the advantages of the stiff steel pipe concrete column and the profiled steel plate composite plate are fully exerted. The profiled steel sheet composite plate can reduce the plate thickness, increase the floor clear height, and the steel core concrete column is than ordinary concrete column, improves the axial compression ratio of post greatly, strengthens the ductility of post, adopts bolted connection, reduces the stress concentration around the post, improves the bearing capacity of connected node, and anti-seismic performance reinforcing. The prefabricated stiffened concrete-filled steel tubular column and the profiled steel sheet composite plate are adopted, and only bolts are needed to be used for carrying out on-site connection on the components, so that the process is simple, the construction speed is high, the construction efficiency is effectively improved, and the construction period is shortened.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a prefabricated stiffened concrete filled steel tubular column and profiled steel sheet composite slab joint according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line I-I of FIG. 1;
FIG. 3 is a sectional view taken along line II-II of the inner steel tube of the reinforced concrete-filled steel tube column of FIG. 1;
FIG. 4 is a sectional view taken along line II-II of the inner steel tube of the reinforced concrete-filled steel tube column of FIG. 1, which is a circular steel tube;
FIG. 5 is a schematic structural view of a prefabricated stiffened concrete filled steel tubular column and profiled steel sheet composite panel joint according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line I-I of FIG. 5;
FIG. 7 is a sectional view taken along line II-II of the inner steel tube of the reinforced concrete-filled steel tube column of FIG. 5;
FIG. 8 is a sectional view taken along line II-II of the inner steel tube of the reinforced concrete-filled steel tube column of FIG. 5, which is a circular steel tube;
FIG. 9 is a column of stiff concrete filled steel tubular with an overhanging composition plate according to an embodiment of the invention;
FIG. 10 is a cross-sectional view taken along line III-III of FIG. 9;
FIG. 11 is a cross-sectional view along IV-IV of the inner steel tube of the concrete filled steel tubular column with the extension composite panels of FIG. 9, where the inner steel tube is a square steel tube;
fig. 12 is a cross-sectional view along IV-IV of the inner steel tube of the stiff concrete filled steel tube column with the extension composite panels of fig. 9, when the inner steel tube is a circular steel tube.
Wherein: 1, a stiff steel tube concrete column; 11 an inner steel pipe; 111 core concrete; 12 ring direction steel plate sleeve; 13 anchoring the steel bars; 14 overhanging profiled steel sheet composite board; 141 overhanging profiled steel sheet; 2, profiled steel sheet composite boards; 21 a first reinforcing mesh; 22 a second connection hole; 3, an upper outer ring plate; 4, a lower outer ring plate; 5 a first bolt; 6 a first flange plate; 61 eighth connecting hole; 62 a first anchor bolt; 7 a second flange plate; 8 second bolt.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The connection and construction process of the prefabricated concrete filled steel tubular column and the composite slab according to some embodiments of the present invention will be described with reference to fig. 1 to 12.
Example 1: in an embodiment of the first aspect of the present invention, as shown in fig. 1 to 4, the present invention provides a prefabricated stiffened steel tube concrete column and profiled steel sheet composite panel node, including a stiffened steel tube concrete column 1, a profiled steel sheet composite panel 2 and a connecting assembly, where the stiffened steel tube concrete column 1 includes an inner steel tube 11 and a steel skeleton, the steel skeleton includes longitudinal bars and stirrups, the longitudinal bars are erected outside the inner steel tube 11, the stirrups are bound outside the longitudinal bars, the steel skeleton is connected to the inner steel tube 11, so that the steel skeleton surrounds the inner steel tube 11, concrete is poured in the inner steel tube 11, a first connecting hole is provided on the profiled steel sheet composite panel 2, and the profiled steel sheet composite panel 2 includes: profiled steel sheet and first reinforcing mesh 21, first reinforcing mesh 21 parallel arrangement has concreting between profiled steel sheet and the reinforcing mesh, and strength nature steel core concrete column 1 passes first connecting hole to be connected with profiled steel sheet compoboard 2 through coupling assembling.
In this embodiment, prefabricated strength nature steel core concrete column 1 and profiled steel sheet compoboard 2 node include strength nature steel core concrete column 1, profiled steel sheet compoboard 2 and coupling assembling, and coupling assembling all is connected with strength nature steel core concrete column 1 and profiled steel sheet compoboard 2, strength nature steel core concrete column 1 includes interior steel pipe 11 and framework of steel reinforcement, and interior steel pipe 11 is circular steel tube or square steel pipe, and the framework of steel reinforcement includes longitudinal reinforcement and stirrup, and the longitudinal reinforcement erects in the steel pipe 11 outside, and the outer ligature of longitudinal reinforcement has the stirrup, and the framework of steel reinforcement is connected with interior steel pipe 11, makes the framework of steel reinforcement surround interior steel pipe 11, has concreting in the interior steel pipe 11, is provided with first connecting hole on the profiled steel sheet compoboard 2, and the profiled steel sheet compoboard 2 includes: profiled steel sheet and first reinforcing mesh 21, first reinforcing mesh 21 parallel arrangement has concreting between profiled steel sheet and the reinforcing mesh, and strength nature steel core concrete column 1 passes first connecting hole to be connected with profiled steel sheet compoboard 2 through coupling assembling.
Example 2: as shown in fig. 1 to 4, the stiff steel core concrete column 1 further includes a circumferential steel plate sleeve 12 and an anchoring steel bar 13, vertical ends of the anchoring steel bar 13 are welded to the inner steel tube 11 or the outer steel bar skeleton, the circumferential steel plate sleeve 12 is sleeved outside the inner steel tube 11, horizontal ends of the anchoring steel bar 13 are welded to the circumferential steel plate sleeve 12, concrete is poured into the circumferential steel plate sleeve 12 and the inner steel tube 11, the profiled steel plate composite panel 2 is further provided with a second connecting hole 22, the second connecting hole 22 is circumferentially arranged around the first connecting hole, the connecting assembly includes an upper outer ring plate 3, a lower outer ring plate 4 and a plurality of first bolts 5, the upper outer ring plate 3 and the lower outer ring plate 4 are both annular, the upper outer ring plate 3 is provided with a third connecting hole and a plurality of fourth connecting holes, the fourth connecting holes are circumferentially arranged around an edge of the third connecting hole, the lower outer ring plate 4 is provided with a fifth connecting hole and a plurality of sixth connecting holes, the sixth connecting hole is circumferentially arranged around the edge of the fifth connecting hole, the stiff steel pipe concrete column 1 penetrates through the fifth connecting hole, the stiff steel pipe concrete column 1 is welded with the lower outer ring plate 4, the stiff steel pipe concrete column 1 sequentially penetrates through the first connecting hole and the third connecting hole, the upper outer ring plate 3 is placed on the profiled steel sheet composite board 2 and is welded with the stiff steel pipe concrete column 1, the sixth connecting hole, the second connecting hole 22 and the fourth connecting hole are matched, the first bolt 5 sequentially penetrates through the sixth connecting hole, the second connecting hole 22 and the fourth connecting hole and is matched with the nut to realize connection of the stiff steel pipe concrete column 1 and the profiled steel sheet composite board 2.
In this embodiment, the stiff steel tube concrete column 1 further includes a circumferential steel plate sleeve 12 and an anchor bar 13, vertical end portions of the anchor bar 13 are welded to the inner steel tube 11 or the outer steel skeleton, the circumferential steel plate sleeve 12 is sleeved outside the inner steel tube 11, horizontal end portions of the anchor bar 13 are welded to the circumferential steel plate sleeve 12, concrete is poured into the circumferential steel plate sleeve 12 and the inner steel tube 11, the profiled steel plate composite panel 2 is further provided with a second connecting hole 22, the second connecting hole 22 is circumferentially arranged around the first connecting hole, the connecting assembly includes an upper outer ring plate 3, a lower outer ring plate 4 and a plurality of first bolts 5, the first bolts 5 are through bolts, the upper outer ring plate 3 and the lower outer ring plate 4 are both annular, the upper outer ring plate 3 is provided with a third connecting hole and a plurality of fourth connecting holes, the fourth connecting holes are circumferentially arranged around the edge of the third connecting hole, the lower outer ring plate 4 is provided with a fifth connecting hole and a plurality of sixth connecting holes, the sixth connecting hole is circumferentially arranged around the edge of the fifth connecting hole, the stiff steel pipe concrete column 1 penetrates through the fifth connecting hole, the stiff steel pipe concrete column 1 is welded with the lower outer ring plate 4, the stiff steel pipe concrete column 1 sequentially penetrates through the first connecting hole and the third connecting hole, the upper outer ring plate 3 is placed on the profiled steel sheet composite board 2 and is welded with the stiff steel pipe concrete column 1, the sixth connecting hole, the second connecting hole 22 and the fourth connecting hole are matched, the first bolt 5 sequentially penetrates through the sixth connecting hole, the second connecting hole 22 and the fourth connecting hole and is matched with the nut to realize connection of the stiff steel pipe concrete column 1 and the profiled steel sheet composite board 2.
Example 3: the stiff steel tube concrete column 1 further comprises an outward-extending profiled steel sheet composite plate 14 and embedded parts, the embedded parts are welded to the outer wall of the steel tube, a seventh connecting hole is formed in the outward-extending profiled steel sheet composite plate 14, the stiff steel tube concrete column 1 can penetrate through the outward-extending profiled steel sheet composite plate 14, the outward-extending profiled steel sheet composite plate 14 comprises an outward-extending profiled steel sheet 141 and a second reinforcing mesh, the second reinforcing mesh is arranged above the profiled steel sheet and bound with a reinforcing steel framework of the inner steel tube 11, and concrete is poured in the steel tube, between the steel tube and the outward-extending profiled steel sheet composite plate 14 and on the outward-extending profiled steel sheet composite plate 14.
In this embodiment, the stiff steel tube concrete column 1 further includes an overhanging profiled steel sheet composite plate 14 and embedded parts, the embedded parts are bolts and are welded on the outer wall of the steel tube, the number of the embedded parts is plural, the embedded parts can enhance the bonding effect with the concrete, a seventh connecting hole is arranged on the overhanging profiled steel sheet composite plate 14, the stiff steel tube concrete column 1 can pass through the overhanging profiled steel sheet composite plate 14, the overhanging profiled steel sheet composite plate 14 includes an overhanging profiled steel sheet 141 and a second reinforcing mesh, the second reinforcing mesh is arranged above the profiled steel sheet and is bound with the reinforcing cage of the inner steel tube 11, and concrete is poured in the steel tube, between the steel tube and the overhanging profiled steel sheet composite plate 14, and on the overhanging profiled steel sheet composite plate 14.
Example 4: as shown in fig. 5 to 12, the connecting assembly comprises a first flange 6, a second flange 7 and a plurality of second bolts 8, wherein the first flange 6 is annular and is arranged around the edge of the outward profiled steel sheet composite panel 14, and welded with the outward-extending profiled steel sheet composite board 14, the first flange is provided with a plurality of eighth connecting holes 61 and a plurality of first anchoring bolts 62, the second flange 7 is annular and is arranged around the edge of the first connecting hole of the profiled steel sheet composite board 2, and is welded with the edge of the first connecting hole of the profiled steel sheet composite panel 2, a plurality of ninth connecting holes and a plurality of second anchoring bolts are arranged on the second flange, the eighth connecting hole 61 is matched with the ninth connecting hole, the second bolt 8 passes through the ninth connecting hole and the eighth connecting hole 61, and the first flange 6 is connected with the second flange 7 through nuts, so that the connection between the stiff concrete-filled steel tubular column 1 and the profiled steel sheet composite panel 2 is realized.
Example 5: as shown in fig. 5 to 12, the first flange 6 and the second flange 7 have the same shape.
In this embodiment, the first flange 6 and the second flange 7 have the same shape, so that the first flange 6 and the second flange 7 are more adaptive to each other, and the stiff steel tube concrete column 1 and the profiled steel sheet composite panel 2 are tightly connected.
Example 6: in a second embodiment of the present invention, the present invention provides a construction process for a prefabricated stiffened concrete-filled steel tubular column and profiled steel sheet composite panel 2 node, including the following steps:
step 1: manufacturing a stiff concrete-filled steel tube column 1, firstly erecting longitudinal bars on the outer side of an inner steel tube 11, binding stirrups outside the longitudinal bars to form a reinforcement cage, surrounding the inner steel tube 11 with the reinforcement cage, then welding the end parts of the vertical sections of anchoring steel bars 13 on the inner steel tube or the outer reinforcement cage, welding the annular steel plate sleeves 12 on the end parts of the horizontal sections of the anchoring steel bars 13, and finally pouring core concrete 111 of the inner steel tube 11 and concrete in the annular steel plate sleeves 12 to finish the manufacturing of the stiff concrete-filled steel tube column 1;
step 2: manufacturing a profiled steel sheet composite slab 2, arranging a first connecting hole and a second connecting hole 22 in the middle of the profiled steel sheet, placing a first reinforcing mesh 21 above the profiled steel sheet in an air manner by using a template, and pouring concrete into the template to form the whole full-thickness profiled steel sheet composite slab 2 with the reinforcing mesh;
and step 3: installing a stiff steel tube concrete column 1 and a profiled composite board, enabling the stiff steel tube concrete column 1 to penetrate through a fifth connecting hole of a lower outer ring plate 4, welding the lower outer ring plate 4 at the lower end of the stiff steel tube concrete column 1, then lifting a profiled steel sheet composite board 2 to the top of the stiff steel tube concrete column 1, enabling the stiff steel tube concrete column 1 to penetrate through the first connecting hole, aligning a second connecting hole 22 on the profiled steel sheet composite board 2 with a sixth connecting hole of the lower outer ring plate 4, then enabling a third connecting hole on an upper outer ring plate 3 to penetrate through the stiff steel tube concrete column 1, enabling the upper outer ring plate 3 to be placed on the profiled steel sheet combination, aligning the fourth connecting hole with the second connecting hole 22, and then enabling the upper outer ring plate 3 and the stiff steel tube concrete column 1; and finally, the first bolt 5 sequentially penetrates through a sixth connecting hole of the lower outer ring plate 4, a second connecting hole 22 on the profiled steel sheet combination plate 2 and a fourth connecting hole on the upper outer ring plate 3, and nuts are screwed for fixation to complete assembly.
Example 7: in an embodiment of the third aspect of the present invention, the present invention further provides a construction process of a prefabricated stiffened concrete-filled steel tubular column and profiled steel sheet composite plate 2 node, including the following steps:
step 1: manufacturing a stiff steel tube concrete column 1, firstly selecting an outward-extending profiled steel plate 141, arranging a seventh connecting hole through which a steel tube longitudinal bar and a steel tube can pass on the outward-extending profiled steel plate 141, fixing the seventh connecting hole so that the steel tube longitudinal bar surrounds the inner steel tube 11, then welding an embedded part on the outer wall of the steel tube, binding a stirrup on the longitudinal bar to form a steel tube steel reinforcement framework, further fixing the upper side and the lower side of the outward-extending profiled steel plate 141 in a dense mode, laying a second steel reinforcement mesh, erecting a first steel reinforcement mesh 21 above the outward-extending profiled steel plate 141, binding the first steel reinforcement mesh with the steel reinforcement framework outside the inner steel tube 11, finally fixing a first flange 6 on the edge of the outward-extending profiled steel plate 141 in the circumferential direction, respectively welding the first steel reinforcement mesh 21 and the outward-extending profiled steel plate 141 to the first flange 6 to enhance the overall performance, integrally casting core concrete 111 of the inner steel tube 11, body concrete column 1 of the steel tube external-profiled steel tube concrete column and a stiff steel plate combination, finishing the manufacture of the stiff steel tube concrete column 1;
step 2: manufacturing a profiled steel sheet composite slab 2, selecting a profiled steel sheet, arranging a first connecting hole in the middle of the profiled steel sheet, using a template to empty the first reinforcing mesh 21 above the profiled steel sheet, welding a second flange 7 on the edge of the first connecting hole of the profiled steel sheet in the circumferential direction, welding the second reinforcing mesh on the second flange 7, and finally using the template to integrally pour concrete on the profiled steel sheet composite slab 2.
And step 3: the method comprises the steps of installing a stiff steel tube concrete column 1 and a profiled steel sheet composite plate 2 in an assembly mode, firstly arranging a temporary support on the periphery of the stiff steel tube concrete column 1, using a crane for the temporary support, hanging the profiled steel sheet composite plate 2 to the top of the stiff steel tube concrete column 1, enabling the stiff steel tube concrete column 1 to penetrate through a first connecting hole in the profiled steel sheet composite plate 2, enabling the profiled steel sheet composite plate 2 to slowly move to the middle of the stiff steel tube concrete column 1, finally aligning an eighth connecting hole 61 located on a first flange 6 with a ninth connecting hole located on a second flange 7, sequentially penetrating through the ninth connecting hole and the eighth connecting hole 61 through a second bolt 8, screwing a nut for fixation, and completing assembly.
Claims (6)
1. The utility model provides a prefabricated strength nature steel core concrete column and profiled sheet compoboard node, a serial communication port, including strength nature steel core concrete column, profiled sheet compoboard and coupling assembling, strength nature steel core concrete column includes interior steel pipe and framework of steel reinforcement, and the framework of steel reinforcement includes indulge muscle and stirrup, indulges the muscle and erects the steel pipe outside including, and the outer ligature of indulge muscle has the stirrup, and the framework of steel reinforcement is connected with interior steel pipe, makes the framework of steel reinforcement surround interior steel pipe, has concreting in the interior steel pipe, is provided with first connecting hole on the profiled sheet compoboard, and the profiled sheet compoboard includes: the steel tube reinforced concrete column is connected with the profiled steel plate combination plate through the connecting assembly after penetrating through the first connecting hole;
when the stiff steel pipe concrete column is specifically arranged, the stiff steel pipe concrete column further comprises an annular steel plate sleeve and anchoring steel bars, or further comprises an outward-extending profiled steel plate composite plate and an embedded part;
when the stiff steel tube concrete column further comprises a circumferential steel plate sleeve and anchoring steel bars, the vertical end parts of the anchoring steel bars are welded on the inner steel tube or the outer steel bar framework, the circumferential steel plate sleeve is sleeved outside the inner steel tube, the horizontal end parts of the anchoring steel bars are welded on the circumferential steel plate sleeve, concrete is poured in the circumferential steel plate sleeve and the inner steel tube, the profiled steel plate composite plate is further provided with second connecting holes which are circumferentially arranged around the first connecting holes, the connecting assembly comprises an upper outer ring plate, a lower outer ring plate and a plurality of first bolts, the upper outer ring plate and the lower outer ring plate are both annular, the upper outer ring plate is provided with a third connecting hole and a plurality of fourth connecting holes, the fourth connecting holes are circumferentially arranged around the edge of the third connecting hole, the lower outer ring plate is provided with a fifth connecting hole and a plurality of sixth connecting holes, and the sixth connecting holes are circumferentially arranged around the edge of the fifth connecting hole, the stiff steel pipe concrete column penetrates through the fifth connecting hole, the stiff steel pipe concrete column is welded with the lower outer ring plate, the stiff steel pipe concrete column penetrates through the first connecting hole and the third connecting hole in sequence, the upper outer ring plate is placed on the profiled steel sheet composite plate and welded with the stiff steel pipe concrete column, the sixth connecting hole, the second connecting hole and the fourth connecting hole are matched, the first bolt penetrates through the sixth connecting hole, the second connecting hole and the fourth connecting hole in sequence, and is matched with the nut to realize connection of the stiff steel pipe concrete column and the profiled steel sheet composite plate.
2. The node of a prefabricated stiffened steel tube concrete column and a profiled steel sheet composite plate according to claim 1, wherein when the stiffened steel tube concrete column further comprises an outward profiled steel sheet composite plate and an embedded part, the embedded part is welded on the outer wall of the steel tube, the outward profiled steel sheet composite plate is provided with a seventh connecting hole for allowing the stiffened steel tube concrete column to pass through, the outward profiled steel sheet composite plate comprises an outward profiled steel sheet and a second reinforcing mesh, the second reinforcing mesh is assumed to be above the profiled steel sheet and is bound with a steel skeleton of the inner steel tube, and concreting is arranged in the steel tube, between the steel tube and the outward profiled steel sheet composite plate and on the outward profiled steel sheet composite plate.
3. The precast reinforced concrete filled steel tubular column and profiled steel sheet combined plate node according to claim 2, wherein the connecting member comprises a first flange, a second flange and a plurality of second bolts, the first flange is annularly arranged around the edge of the outwardly extending profiled steel sheet combined plate and welded to the outwardly extending profiled steel sheet combined plate, the first flange is provided with a plurality of eighth connecting holes and a plurality of first anchor bolts, the second flange is annularly arranged around the edge of the first connecting holes of the profiled steel sheet combined plate and welded to the edge of the first connecting holes of the profiled steel sheet combined plate, the second flange is provided with a plurality of ninth connecting holes and a plurality of second anchor bolts, the eighth connecting holes are engaged with the ninth connecting holes, and the second bolts pass through the ninth connecting holes and the eighth connecting holes and are connected to the first flange and the second flange by nuts, and further realizing the connection of the stiff steel pipe concrete column and the profiled steel sheet composite board.
4. The precast stiffened concrete steel tubular column and profiled steel sheet composite panel node of claim 3, wherein the first flange plate and the second flange plate have the same shape.
5. The construction process of the precast reinforced concrete filled steel tubular column and profiled steel sheet composite plate joint according to claim 1, characterized by comprising the following steps:
step 1: the manufacturing method comprises the following steps of manufacturing the stiff concrete-filled steel tube column, firstly erecting longitudinal bars on the outer sides of inner steel tubes, binding stirrups outside the longitudinal bars to form a reinforcement cage, enabling the reinforcement cage to surround the inner steel tubes, then welding the end parts of vertical sections of anchoring reinforcements on the inner steel tubes or the outer reinforcement cage, welding annular steel plate sleeves on the end parts of horizontal sections of the anchoring reinforcements, and finally pouring core concrete of the inner steel tubes and concrete in the annular steel plate sleeves to finish the manufacturing of the stiff concrete-filled steel tube column;
step 2: manufacturing a profiled steel sheet composite board, arranging a first connecting hole and a second connecting hole in the middle of a profiled steel sheet, placing a first reinforcing mesh above the profiled steel sheet in an air manner by using a template, and pouring concrete into the template to form a whole full-thickness profiled steel sheet composite board with the reinforcing mesh;
and step 3: installing the stiff steel tube concrete column and the profiled composite board, enabling the stiff steel tube concrete column to penetrate through a fifth connecting hole of the lower outer ring board, welding the lower outer ring board at the lower end of the stiff steel tube concrete column, then lifting the profiled steel sheet composite board to the top of the stiff steel tube concrete column, enabling the stiff steel tube concrete column to penetrate through the first connecting hole, aligning a second connecting hole on the profiled steel sheet composite board with a sixth connecting hole of the lower outer ring board, then enabling a third connecting hole on the upper outer ring board to penetrate through the stiff steel tube concrete column, enabling the upper outer ring board to be placed on the profiled steel sheet combination, aligning the fourth connecting hole with the second connecting hole, and then enabling the upper outer ring board and the stiff steel tube concrete column; and finally, the first bolt sequentially penetrates through the sixth connecting hole of the lower outer ring plate, the second connecting hole in the profiled steel sheet combined plate and the fourth connecting hole in the upper outer ring plate, and the nut is screwed for fixing to complete assembly.
6. The construction process of the precast reinforced concrete filled steel tubular column and profiled steel sheet composite plate joint according to claim 3, characterized by comprising the following steps:
step 1: manufacturing the stiff concrete-filled steel tube column, firstly selecting an outward extending profiled steel sheet, arranging a seventh connecting hole for allowing the steel tube longitudinal ribs and the steel tube to pass through on the outward extending profiled steel sheet, fixing the outward extending profiled steel sheet to ensure that the steel tube longitudinal ribs surround the inner steel tube in the circumferential direction, then welding embedded parts on the outer wall of the steel pipe, binding stirrups on the longitudinal bars to form a steel pipe reinforcement framework, and fixing the steel pipe reinforcement framework on the upper side and the lower side of the externally extending compression-type steel plate in an encrypted manner, laying a second steel bar mesh, arranging a first steel bar mesh frame above the outward extending profiled steel sheet, binding the first steel bar mesh frame with a steel bar framework outside the inner steel tube, fixing a first flange plate at the edge of the outward extending profiled steel sheet in the circumferential direction, respectively welding the first steel bar mesh and the outward extending profiled steel sheet to the first flange plate, and integrally casting inner steel tube core concrete, steel tube outer stiff steel tube concrete column body concrete and outward extending profiled steel sheet combined plate concrete to complete the manufacturing of the stiff steel tube concrete column;
step 2: manufacturing a profiled steel sheet composite plate, selecting a profiled steel sheet, arranging a first connecting hole in the middle of the profiled steel sheet, using a template to empty the first reinforcing mesh above the profiled steel sheet, welding a second flange plate on the edge of the first connecting hole of the profiled steel sheet in the circumferential direction, welding the second reinforcing mesh on the second flange plate, and finally using the template to integrally pour concrete on the profiled steel sheet composite plate;
and step 3: the method comprises the steps of installing a stiff steel tube concrete column and a profiled steel sheet composite board assembly, firstly arranging temporary supports on the periphery of the stiff steel tube concrete column, hoisting the profiled steel sheet composite board to the top of the stiff steel tube concrete column, enabling the stiff steel tube concrete column to penetrate through a first connecting hole in the profiled steel sheet composite board, slowly moving the profiled steel sheet composite board to the middle of the stiff steel tube concrete column, finally aligning an eighth connecting hole in a first flange with a ninth connecting hole in a second flange, sequentially penetrating the ninth connecting hole and the eighth connecting hole through a second bolt, screwing a nut for fixation, and completing assembly.
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| CN112411763A (en) * | 2020-11-11 | 2021-02-26 | 吉林建筑科技学院 | Steel column and profiled steel plate concrete composite board connecting joint and construction method |
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| IT1266784B1 (en) * | 1993-11-09 | 1997-01-21 | Dlc Srl | INDUSTRIAL PREFABRICATED FLOOR |
| JPH08246590A (en) * | 1995-01-12 | 1996-09-24 | Kawasaki Steel Corp | Mounting structure for floor panel |
| CN2721748Y (en) * | 2004-08-12 | 2005-08-31 | 上海拜特钢结构设计有限公司 | Semi-shutup pressing assemlbed floor of steel plate |
| JP5344702B2 (en) * | 2010-01-22 | 2013-11-20 | 大成建設株式会社 | Column and slab joint structure |
| CN105256932B (en) * | 2015-11-02 | 2017-10-31 | 上海市机械施工集团有限公司 | The connection steel node of precast concrete column and prefabricated concrete floor |
| CN111677172B (en) * | 2020-06-03 | 2021-05-25 | 苏州科技大学 | Steel-concrete combined structure plate column structure system |
| CN111549953A (en) * | 2020-06-11 | 2020-08-18 | 国网江苏省电力有限公司南京供电分公司 | Pre-buried type anti-cutting steel foundation in reinforced concrete slab |
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