CN112323988B - Connecting and construction process of prefabricated steel-encased concrete column and profiled steel sheet composite slab - Google Patents

Connecting and construction process of prefabricated steel-encased concrete column and profiled steel sheet composite slab Download PDF

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Publication number
CN112323988B
CN112323988B CN202011255344.9A CN202011255344A CN112323988B CN 112323988 B CN112323988 B CN 112323988B CN 202011255344 A CN202011255344 A CN 202011255344A CN 112323988 B CN112323988 B CN 112323988B
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steel
hole
profiled
steel sheet
holes
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CN112323988A (en
Inventor
王连广
田宇琳
许一鸣
刘姝
高海洋
李雪
张耀升
延萌
刚明慧
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Northeastern University China
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Northeastern University China
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building 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
    • E04C2/28Building 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Abstract

The invention provides a prefabricated steel-encased concrete column and profiled steel sheet composite board connection and construction process, wherein the connection steel-encased concrete column, the profiled steel sheet composite board and a connection assembly are connected, the steel-encased concrete column comprises a steel reinforcement framework and a circumferential steel sheet sleeve, column body angle steels are welded on four upright posts of the steel reinforcement framework, anchoring steel bars are welded on the inner side surface of the circumferential steel sheet sleeve, the circumferential steel sheet sleeve is sleeved on the steel reinforcement framework and is welded with the column body angle steels, and concrete is poured on the steel reinforcement framework and the circumferential steel sheet sleeve; the profiled steel sheet combined plate comprises a profiled steel sheet and a first reinforcing mesh, wherein the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh is arranged above the profiled steel sheet in parallel, and concrete is poured among the profiled steel sheet, the first reinforcing mesh and the profiled steel sheet and the first reinforcing mesh; the steel-encased concrete column penetrates through the first connecting hole in the profiled steel sheet and is connected with the profiled steel sheet composite slab through the connecting component.

Description

Connecting and construction process of prefabricated steel-encased concrete column and profiled steel sheet composite slab
Technical Field
The invention belongs to the field of building structures, and particularly relates to a connecting and constructing process of a prefabricated steel-encased concrete column and a profiled steel sheet composite slab.
Background
The slab-column structure is a common structure form that the floor without beam is directly connected with the column, it has the advantages of simple force transmission path, high space utilization rate, flexible column net arrangement, convenient room division, small structure height, reduced building floor height, reduced building cost, etc., and is multipurpose for buildings such as garage and house. At present, the most common plate-column structure is a concrete column and concrete slab structure and a steel column and concrete slab structure, and because the periphery of a column or a column cap bears larger shearing force and bending moment, a weak link of a plate-column structure system is formed, when an earthquake occurs, concrete cannot bear larger main tensile stress, a plate-column node transmits repeatedly acting unbalanced bending moment, and punching damage is possible to occur, because the punching damage of the plate-column node is brittle damage, after one node is damaged, internal force redistribution causes the damage of adjacent nodes, and further the structure collapses.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a connection method of a prefabricated steel-encased concrete column and a profiled steel sheet composite slab.
The invention provides a construction process for connecting a prefabricated steel-encased concrete column and a profiled steel sheet composite slab.
The third aspect of the invention provides another construction process for connecting a prefabricated steel-encased concrete column and a profiled steel sheet composite slab.
In view of the above, the first aspect of the present invention provides a prefabricated steel-encased concrete column connected to a profiled steel sheet composite slab, comprising a steel-encased concrete column, a profiled steel sheet composite slab and a connecting assembly, wherein the steel-encased concrete column comprises a steel skeleton and a circumferential steel sheet sleeve, column body angle steels are welded on four columns of the steel skeleton, anchoring steel bars are welded on the inner side surface of the circumferential steel sheet sleeve, the circumferential steel sheet sleeve is sleeved on the steel skeleton and welded with the column body angle steels, and concrete is poured on the steel skeleton and in the column body angle steels; the profiled steel sheet combined plate comprises a profiled steel sheet and a first reinforcing mesh, wherein the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh is arranged above the profiled steel sheet in parallel, and concrete is poured among the profiled steel sheet, the first reinforcing mesh and the profiled steel sheet and the first reinforcing mesh; the steel-encased concrete column penetrates through the first connecting hole in the profiled steel sheet and is connected with the profiled steel sheet composite slab through the connecting component.
Preferably, the profiled steel sheet composite panel is further provided with a plurality of second connecting holes 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 is provided with a third connecting hole and a plurality of fourth connecting holes circumferentially arranged around the third connecting hole, the lower outer ring plate is provided with a fifth connecting hole and a plurality of sixth connecting holes circumferentially arranged around the fifth connecting hole, the lower outer ring plate is welded on the steel-encased concrete column, the steel-encased concrete column sequentially passes through the first connecting hole of the profiled steel sheet composite panel and the third connecting hole of the upper outer ring plate, the upper outer ring plate is welded with the steel-encased concrete column, the sixth connecting hole and the fourth connecting hole correspond to the second connecting holes, the first bolts sequentially pass through the sixth connecting hole and the second connecting hole to be connected with the fourth connecting hole, thereby the steel-clad concrete column is connected with the profiled steel sheet composite slab.
Preferably, a plurality of seventh connecting holes are formed in the circumferential steel plate sleeve, a plurality of eighth connecting holes are formed in the column body of the externally-coated steel concrete column, the seventh connecting holes correspond to the eighth connecting holes, a plurality of ninth connecting holes are formed in the profiled steel sheet composite plate, the ninth connecting holes penetrate through the profiled steel sheet composite plate, the connecting assembly comprises a plurality of top angle steels, a plurality of bottom angle steels, a plurality of second bolts and a plurality of third bolts, a plurality of tenth connecting holes are formed in the top angle steels, a plurality of eleventh connecting holes are formed in the bottom angle steels, the externally-coated steel concrete column penetrates through the first connecting holes of the profiled steel sheet composite plate, the plurality of top angle steels are circumferentially arranged around the first connecting holes in the upper surface of the profiled steel sheet composite plate, the plurality of bottom angle steels are circumferentially arranged around the first connecting holes in the lower surface of the profiled steel sheet composite plate, the eleventh connecting holes in the vertical limbs of the bottom angle steels correspond to the seventh connecting holes in the circumferential steel plate sleeve and the, an eleventh connecting hole on the bottom angle steel horizontal limb corresponds to a ninth connecting hole on the profiled steel sheet composite board, a tenth connecting hole on the top angle steel vertical limb corresponds to a seventh connecting hole on the annular steel sheet sleeve and an eighth connecting hole on the externally-coated concrete column, a tenth connecting hole on the top angle steel horizontal limb corresponds to a ninth connecting hole on the profiled steel sheet composite board, a second bolt sequentially passes through the tenth connecting hole, the seventh connecting hole and the eighth connecting hole of the top angle steel vertical limb to connect the top angle steel vertical limb with the externally-coated steel concrete column, the second bolt sequentially passes through the eleventh connecting hole of the bottom angle steel vertical limb, the seventh connecting hole on the annular steel sheet sleeve and the eighth connecting hole of the externally-coated steel concrete column to connect the bottom angle steel vertical limb with the externally-coated steel concrete column, and a third bolt sequentially passes through the eleventh connecting hole of the bottom angle steel horizontal limb, the ninth connecting hole on the profiled steel sheet composite board and the tenth connecting hole on the top angle steel horizontal limb, the horizontal limb of the bottom angle steel is connected with the profiled steel sheet composite board, and the horizontal limb of the top angle steel is connected with the profiled steel sheet composite board.
Preferably, the number of the top angle steel and the bottom angle steel is four.
The second aspect of the invention provides a construction process for connecting a prefabricated steel-encased concrete column and a profiled steel sheet composite slab, which comprises the following steps:
step 1: manufacturing an externally-coated steel concrete column, namely binding a steel reinforcement framework and column body angle steel, welding the angle steel with four stand columns of the steel reinforcement framework, sleeving a circumferential steel plate sleeve on the steel reinforcement framework and the column body angle steel, welding the circumferential steel plate sleeve with the column body angle steel, welding anchoring steel bars on four inner side surfaces of the circumferential steel plate sleeve, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column;
step 2: manufacturing a profiled steel sheet composite slab, selecting a profiled steel sheet, arranging a first connecting hole and a plurality of second connecting holes in the middle of the profiled steel sheet, arranging the plurality of second connecting holes circumferentially around the first connecting hole, placing a first reinforcing mesh above the profiled steel sheet in an air manner by utilizing a template, and pouring concrete into the template to complete the manufacturing of the profiled steel sheet composite slab;
and step 3: connecting the steel-encased concrete column with the profiled steel sheet composite panel, enabling the steel-encased concrete column to penetrate through a fifth connecting hole on the lower outer ring panel and be welded with the lower outer ring panel, then lifting the profiled steel sheet composite panel to the top of the column, enabling the steel-encased concrete column to penetrate through the first connecting hole, aligning a second connecting hole on the profiled steel sheet composite panel with a sixth connecting hole on the lower outer ring panel, then enabling the steel-encased concrete column to penetrate through a third connecting hole on the upper outer ring panel, enabling the upper outer ring panel to be located on the upper surface of the profiled steel sheet composite panel, welding the upper outer ring panel with the steel-encased concrete column, aligning a fourth connecting hole on the upper outer ring panel with the second connecting hole, finally sequentially enabling a first bolt to penetrate through the sixth connecting hole on the lower outer ring panel, the second connecting hole on the profiled steel sheet composite panel and the fourth connecting hole on the upper outer ring panel from bottom to top, and screwing a nut for fixation, and (5) finishing assembly.
The third aspect of the invention provides a construction process for connecting a prefabricated steel-encased concrete column and a profiled steel sheet composite slab, which comprises the following steps:
step 1: manufacturing an externally-coated steel concrete column, binding a steel reinforcement framework and column body angle steel, welding the angle steel on four stand columns of the steel reinforcement framework, arranging a plurality of seventh connecting holes on a steel plate sleeve and a circumferential steel plate sleeve, sleeving the circumferential steel plate sleeve with the reserved seventh connecting holes on the steel reinforcement framework and the column body angle steel, welding the circumferential steel plate sleeve and the column body angle steel, welding anchoring steel bars on four inner side surfaces of the steel plate sleeve, arranging a plurality of eighth connecting holes on the column body, corresponding the seventh connecting holes and the eighth connecting holes, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column;
step 2: manufacturing a profiled steel sheet composite slab, namely selecting a profiled steel sheet, arranging a first connecting hole and a plurality of ninth connecting holes in the middle of the profiled steel sheet, placing a first reinforcing mesh above the profiled steel sheet in an empty manner by utilizing a template, and pouring concrete into the template to finish the manufacturing of the profiled steel sheet composite slab;
and step 3: connecting the steel-encased concrete column with the profiled steel sheet composite slab, firstly positioning the steel-encased concrete column, then corresponding an eleventh connecting hole on a vertical limb of the bottom angle steel with a seventh connecting hole and an eighth connecting hole of the steel-encased concrete column, corresponding an eleventh connecting hole on a horizontal limb of the bottom angle steel with a ninth connecting hole on the profiled steel sheet composite slab, sequentially passing a second bolt through the eleventh connecting hole of the bottom angle steel vertical limb, the seventh connecting hole on a circumferential steel sheet sleeve and the eighth connecting hole on the steel-encased concrete column, screwing a nut to connect the bottom angle steel vertical limb with the steel-encased concrete column, then arranging a temporary support, hoisting the profiled steel sheet composite slab on the top of the steel-encased concrete column, passing the steel-encased concrete column through the first connecting hole on the profiled steel sheet composite slab, positioning the profiled steel sheet composite slab in the middle part of the steel-encased concrete column, positioning the profiled steel sheet composite slab on the bottom angle steel, and finally, sequentially penetrating a third bolt through the eleventh connecting hole of the bottom corner horizontal limb, the ninth connecting hole of the profiled steel plate composite plate and the tenth connecting hole of the top corner horizontal limb, and the tenth connecting hole of the top corner steel horizontal limb, and the nut is tightened to connect the bottom corner steel horizontal limb with the profiled steel plate composite plate, and connect the top corner steel horizontal limb with the profiled steel plate composite plate.
Compared with the prior art, the invention has the beneficial effects that: the steel-encased concrete column is formed by filling concrete into a framework formed by welding angle steel and stirrups, the stirrups are buried in the concrete, the back of each angle steel limb is arranged outside a column base, and the longitudinal flexible steel bars and embedded parts in a reinforced concrete structure are omitted in the steel-encased steel structure, so that the steel-encased concrete column is simple in structure and beneficial to tamping of the concrete. After the outer wrapping angle steel and the stirrups are welded into the framework, the framework has certain strength and rigidity, and can be used for directly supporting the template in the construction process to bear certain construction load. Compared with a reinforced concrete column, the reinforced concrete column has the advantages that the shear strength and the bearing capacity are improved, the deformation capacity is good, and the ductility is improved. The profiled steel plate concrete composite slab is a slab formed by casting concrete on profiled thin steel plates at intervals of concave and convex and configuring a proper amount of reinforcing steel bars, the profiled steel plates can be used as permanent templates for pouring concrete in a construction stage, the concrete with good compression performance is distributed in a compression area of the composite slab in a normal use stage, the profiled steel plates are distributed in a tension area, play a role of stressed reinforcing steel bars and work together with the concrete, so that materials with different properties exert respective performances, and the stress is reasonable. Due to the presence of the profiled steel sheet, the anti-cutting performance of the composite sheet is improved. The connection of the steel-encased concrete column and the profiled steel plate concrete composite slab integrates the advantages of the steel-encased concrete column and the profiled steel plate concrete composite slab, improves the deformation capability and the anti-shearing performance of the slab column joint, enhances the safe reliability of the slab column joint, and has very wide application prospect.
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 illustrating the connection of an exterior steel-clad concrete column with a profiled steel sheet composite panel 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 cross-sectional view taken along line II-II of FIG. 1;
FIG. 4 is a schematic structural view of the connection of a steel-encased concrete column with a profiled steel sheet composite panel according to one embodiment of the present invention;
FIG. 5 is a sectional view taken along III-III of FIG. 4, with the second bolt being a through bolt;
FIG. 6 is a sectional view taken along III-III of FIG. 4, in which the second bolt is an expansion bolt
FIG. 7 is a cross-sectional view taken along line IV-IV of FIG. 4;
wherein: 1, externally wrapping a steel concrete column; 2, circumferential steel plate sleeves; 3 anchoring the steel bars; 4 column shaft angle steel; 5, profiled steel sheet composite boards; 6 a first reinforcing mesh; 7 a second connection hole; 8, an upper outer ring plate; 9 lower outer ring plates; 10 a first bolt; 11 top angle steel; 12 bottom angle steel; 13 a second bolt; 14 a third 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.
The following describes a process for connecting and constructing a prefabricated steel-encased concrete column and a profiled steel sheet composite panel according to some embodiments of the present invention with reference to fig. 1 to 7.
Example 1: in an embodiment of the first aspect of the present invention, as shown in fig. 1 to 3, the present invention provides a prefabricated steel-encased concrete column 1 connected to a profiled steel sheet composite slab 5, including a steel-encased concrete column 1, a profiled steel sheet composite slab 5 and a connecting assembly, where the connecting assembly is connected to both the steel-encased concrete column 1 and the profiled steel sheet composite slab 5, the steel-encased concrete column 1 includes a steel skeleton and a circumferential steel sheet sleeve 2, column body angle steels 4 are welded to four columns of the steel skeleton, anchoring steel bars 3 are welded to an inner side surface of the circumferential steel sheet sleeve 2, the circumferential steel sheet sleeve 2 is sleeved on the steel skeleton and welded to the column body angle steels 4, and concrete is poured on the steel skeleton and in the column body angle steels 4; the profiled steel sheet composite plate 5 comprises a profiled steel sheet and a first reinforcing mesh 6, wherein the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh 6 is arranged above the profiled steel sheet in parallel, and concrete is poured on the profiled steel sheet, the first reinforcing mesh 6 and the profiled steel sheet and between the first reinforcing mesh 6; the steel-encased concrete column 1 passes through the first connecting hole on the profiled steel sheet and is connected with the profiled steel sheet composite slab 5 through the connecting assembly.
Example 2: as shown in fig. 1 to 3, the profiled steel sheet composite panel 5 is further provided with a plurality of second connection holes 7, the plurality of second connection holes 7 are circumferentially arranged around the first connection holes, the connection assembly comprises an upper outer ring panel 8, a lower outer ring panel 9 and a plurality of first bolts 10, the upper outer ring panel 8 is provided with a third connection hole and a plurality of fourth connection holes, the fourth connection holes are circumferentially arranged around the third connection holes, the lower outer ring panel 9 is provided with a fifth connection hole and a plurality of sixth connection holes, the sixth connection holes are circumferentially arranged around the fifth connection hole, the lower outer ring panel 9 is welded to the outer-clad steel concrete column 1, the outer-clad steel concrete column 1 sequentially penetrates through the first connection holes of the profiled steel sheet composite panel 5 and the third connection holes of the upper outer ring panel 8, the upper outer ring panel 8 is welded to the outer-clad steel concrete column 1, the sixth connection holes and the fourth connection holes correspond to the second connection holes 7, the first bolts 10 sequentially penetrate through the sixth connection holes, And the second connecting hole 7 and the fourth connecting hole are formed, so that the steel-clad concrete column 1 is connected with the profiled steel sheet composite slab 5.
In the embodiment, the steel-encased concrete column 1 comprises a steel reinforcement framework and a circumferential steel plate sleeve 2, column body angle steel 4 is welded on four columns of the steel reinforcement framework, anchoring steel bars 3 are welded on the inner side surface of the circumferential steel plate sleeve 2, the circumferential steel plate sleeve 2 is sleeved on the steel reinforcement framework and is welded with the column body angle steel 4, and concrete is poured on the steel reinforcement framework and the circumferential steel plate sleeve 2; the profiled steel sheet composite plate 5 comprises a profiled steel sheet and a first reinforcing mesh 6, the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh 6 is arranged above the profiled steel sheet in parallel, and concrete is poured on the profiled steel sheet, the first reinforcing mesh 6 and the profiled steel sheet and between the first reinforcing mesh 6; the profiled steel plate composite plate 5 is further provided with a plurality of second connecting holes 7, the plurality of second connecting holes 7 are circumferentially arranged around the first connecting holes, the connecting assembly comprises an upper outer ring plate 8, a lower outer ring plate 9 and a plurality of first bolts 10, the upper outer ring plate 8 is provided with a third connecting hole and a plurality of fourth connecting holes, the fourth connecting holes are circumferentially arranged around the third connecting holes, the lower outer ring plate 9 is provided with a fifth connecting hole and a plurality of sixth connecting holes, the sixth connecting holes are circumferentially arranged around the fifth connecting holes, the lower outer ring plate 9 is welded on the steel-encased concrete column 1, the steel-encased concrete column 1 sequentially penetrates through the first connecting holes of the profiled steel plate composite plate 5 and the third connecting holes of the upper outer ring plate 8, the upper outer ring plate 8 is welded with the steel-encased concrete column 1, the sixth connecting holes and the fourth connecting holes correspond to the second connecting holes 7, the first bolts 10 are through bolts sequentially penetrating through the sixth connecting holes, The second connection hole 7 is connected with the fourth connection hole, so that the steel-clad concrete column 1 is connected with the profiled steel sheet composite panel 5.
Example 3: as shown in fig. 4 to 7, a plurality of seventh connecting holes are formed in the circumferential steel plate sleeve 2, a plurality of eighth connecting holes are formed in the column body of the steel-encased concrete column 1, the seventh connecting holes correspond to the eighth connecting holes, a plurality of ninth connecting holes are formed in the profiled steel plate composite plate 5, the ninth connecting holes penetrate through the profiled steel plate composite plate 5, the connecting assembly comprises a plurality of top angle steels 11, a plurality of bottom angle steels 12, a plurality of second bolts 13 and a plurality of third bolts 14, a plurality of tenth connecting holes are formed in the top angle steels 11, a plurality of eleventh connecting holes are formed in the bottom angle steels 12, the steel-encased concrete column 1 passes through the first connecting holes of the profiled steel plate composite plate 5, the plurality of top angle steels 11 are circumferentially arranged around the first connecting holes on the upper surface of the profiled steel plate composite plate 5, and the plurality of bottom angle steels 12 are circumferentially arranged around the first connecting holes on the lower surface of the profiled steel plate composite plate 5, an eleventh connecting hole on a vertical limb of bottom angle steel 12 corresponds to a seventh connecting hole on the annular steel plate sleeve 2 and an eighth connecting hole on the outer steel-coated concrete column 1, an eleventh connecting hole on a horizontal limb of bottom angle steel 12 corresponds to a ninth connecting hole on the profiled steel plate composite board 5, a tenth connecting hole on a vertical limb of apex angle steel 11 corresponds to a seventh connecting hole on the annular steel plate sleeve 2 and an eighth connecting hole on the outer concrete column, a tenth connecting hole on a horizontal limb of apex angle steel 11 corresponds to a ninth connecting hole on the profiled steel plate composite board 5, a second bolt 13 sequentially passes through the tenth connecting hole, the seventh connecting hole and the eighth connecting hole of the vertical limb of top angle steel 11 to connect the vertical limb of apex angle steel 11 with the outer steel-coated concrete column 1, the second bolt 13 sequentially passes through the eleventh connecting hole of the vertical limb of bottom angle steel 12, the seventh connecting hole on the annular steel plate sleeve 2 and the eighth connecting hole of the outer steel-coated concrete column 1, the vertical limb of the bottom angle steel 12 is connected with the outer steel-coated concrete column 1, the third bolt 14 sequentially penetrates through the eleventh connecting hole of the horizontal limb of the bottom angle steel 12, the ninth connecting hole on the profiled steel sheet composite board 5 and the tenth connecting hole on the horizontal limb of the top angle steel 11, so that the horizontal limb of the bottom angle steel 12 is connected with the profiled steel sheet composite board 5, and the horizontal limb of the top angle steel 11 is connected with the profiled steel sheet composite board 5. .
In the embodiment, the steel-encased concrete column 1 comprises a steel reinforcement framework and a circumferential steel plate sleeve 2, column body angle steel 4 is welded on four columns of the steel reinforcement framework, anchoring steel bars 3 are welded on the inner side surface of the circumferential steel plate sleeve 2, the circumferential steel plate sleeve 2 is sleeved on the steel reinforcement framework and is welded with the column body angle steel 4, and concrete is poured on the steel reinforcement framework and the circumferential steel plate sleeve 2; the profiled steel sheet composite plate 5 comprises a profiled steel sheet and a first reinforcing mesh 6, the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh 6 is arranged above the profiled steel sheet in parallel, and concrete is poured on the profiled steel sheet, the first reinforcing mesh 6 and the profiled steel sheet and between the first reinforcing mesh 6; a plurality of seventh connecting holes are formed in the annular steel plate sleeve 2, a plurality of eighth connecting holes are formed in the column body of the externally-coated steel concrete column 1 and correspond to the eighth connecting holes, a plurality of ninth connecting holes are formed in the profiled steel sheet combined plate 5 and penetrate through the profiled steel sheet combined plate 5, the connecting assembly comprises a plurality of top angle steels 11, a plurality of bottom angle steels 12, a plurality of second bolts 13 and a plurality of third bolts 14, the second bolts 13 are through bolts and can also be expansion bolts, when the second bolts 13 are through bolts, the seventh connecting holes correspond to the eighth connecting holes and penetrate through the externally-coated reinforced concrete column 1, when the second bolts 13 are expansion bolts, the seventh connecting holes correspond to the eighth connecting holes and form expansion bolt holes, the third bolts 14 are through bolts, a plurality of tenth connecting holes are formed in the top angle steels 11, a plurality of eleventh connecting holes are formed in the bottom angle steels 12, the outer-coated steel concrete column 1 penetrates through a first connecting hole of the profiled steel plate composite slab 5, a plurality of top angle steels 11 are circumferentially arranged on the upper surface of the profiled steel plate composite slab 5 around the first connecting hole, a plurality of bottom angle steels 12 are circumferentially arranged on the lower surface of the profiled steel plate composite slab 5 around the first connecting hole, an eleventh connecting hole on a vertical limb of each bottom angle steel 12 corresponds to a seventh connecting hole on the annular steel plate sleeve 2 and an eighth connecting hole on the outer-coated steel concrete column 1, an eleventh connecting hole on a horizontal limb of each bottom angle steel 12 corresponds to a ninth connecting hole on the profiled steel plate composite slab 5, a tenth connecting hole on a vertical limb of each top angle steel 11 corresponds to a seventh connecting hole on the annular steel plate sleeve 2 and an eighth connecting hole on the outer-coated concrete column, a tenth connecting hole on a horizontal limb of each top angle steel 11 corresponds to a ninth connecting hole on the profiled steel plate composite slab 5, and a second bolt 13 sequentially penetrates through the tenth connecting holes of the vertical limbs of the top angle steels 11, Seventh connecting hole and eighth connecting hole, make 11 vertical limbs of apex angle steel be connected with outsourcing steel concrete column 1, second bolt 13 passes the eleventh connecting hole of 12 vertical limbs of end angle steel in proper order, seventh connecting hole and the eighth connecting hole of outsourcing steel concrete column 1 on the annular steel sheet sleeve 2, make 12 vertical limbs of end angle steel be connected with outsourcing steel concrete column 1, third bolt 14 passes the eleventh connecting hole of 12 horizontal limbs of end angle steel in proper order, ninth connecting hole and the tenth connecting hole on 11 horizontal limbs of apex angle steel on profiled sheet compoboard 5, make the horizontal limb of end angle steel 12 be connected with profiled sheet compoboard 5, the horizontal limb of apex angle steel 11 is connected with profiled sheet compoboard 5, thereby realize that outsourcing steel concrete column 1 is connected with profiled sheet compoboard 5.
Example 4: as shown in fig. 6, the number of the top angle steel 11 and the bottom angle steel 12 is four.
In this embodiment, the top angle steel 11 and the bottom angle steel 12, which are four in number, are circumferentially arranged around the steel-encased concrete column 1,
example 5: in the embodiment of the second aspect of the invention, the invention provides a construction process for connecting a prefabricated steel-encased concrete column 1 and a profiled steel sheet composite slab 5, which comprises the following steps:
step 1: manufacturing an externally-coated steel concrete column 1, firstly binding a steel reinforcement framework and column body angle steel 4, welding the angle steel with four stand columns of the steel reinforcement framework, then sleeving a ring-shaped steel plate sleeve 2 on the steel reinforcement framework and the column body angle steel 4, welding the ring-shaped steel plate sleeve 2 with the column body angle steel 4, conveniently connecting with an outer ring plate, welding anchoring steel bars 3 on four inner side surfaces of the ring-shaped steel plate sleeve 2, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column 1;
step 2: manufacturing a profiled steel sheet composite plate 5, selecting a profiled steel sheet, arranging a first connecting hole and a plurality of second connecting holes 7 in the middle of the profiled steel sheet, arranging the plurality of second connecting holes 7 around the circumferential direction of the first connecting hole, emptying the first reinforcing mesh 6 above the profiled steel sheet by using a template, pouring concrete into the template, and finishing the manufacturing of the profiled steel sheet composite plate 5;
and step 3: connecting an outer-coated steel concrete column 1 with a profiled steel sheet composite slab 5, enabling the outer-coated steel concrete column 1 to penetrate through a fifth connecting hole on a lower outer ring slab 9 and be welded with the lower outer ring slab 9, then lifting the profiled steel sheet composite slab 5 to the top of the column, enabling the outer-coated steel concrete column 1 to penetrate through a first connecting hole, aligning a second connecting hole 7 on the profiled steel sheet composite slab 5 with a sixth connecting hole on the lower outer ring slab 9, then enabling the outer-coated steel concrete column 1 to penetrate through a third connecting hole on an upper outer ring slab 8, enabling the upper outer ring slab 8 to be located on the upper surface of the profiled steel sheet composite slab 5, enabling the upper outer ring slab 8 to be welded with the outer-coated steel concrete column 1, enabling a fourth connecting hole on the upper outer ring slab 8 to be aligned with the second connecting hole 7, and finally sequentially enabling a first bolt 10 to penetrate through the sixth connecting hole on the lower outer ring slab 9, the second connecting hole 7 on the profiled steel sheet composite slab 5 and the fourth connecting hole on the upper outer ring slab 8 from bottom to top, and screwing the nut to fix, and finishing assembly.
Example 6: in the third embodiment of the present invention, the present invention further provides a construction process for connecting a prefabricated steel-encased concrete column 1 and a profiled steel sheet composite slab 5, which comprises the following steps:
step 1: manufacturing an externally-coated steel concrete column 1, firstly binding a steel reinforcement framework and column body angle steel 4, welding the angle steel on four stand columns of the steel reinforcement framework, then arranging a plurality of seventh connecting holes on a steel plate sleeve and a circumferential steel plate sleeve, sleeving a circumferential steel plate sleeve 2 with the reserved seventh connecting holes on the steel reinforcement framework and column body angle steel 4, then welding the circumferential steel plate sleeve 2 and the column body angle steel 4, welding anchoring steel bars 3 on four inner side surfaces of the steel plate sleeve, arranging a plurality of eighth connecting holes on the column body, corresponding the seventh connecting holes and the eighth connecting holes, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column 1;
step 2: manufacturing a profiled steel sheet composite slab 5, namely selecting a profiled steel sheet, arranging a first connecting hole and a plurality of ninth connecting holes in the middle of the profiled steel sheet, placing a first reinforcing mesh 6 above the profiled steel sheet in an air way by utilizing a template, and pouring concrete into the template to finish the manufacturing of the profiled steel sheet composite slab 5;
and step 3: connecting an outer steel-clad concrete column 1 with a profiled steel sheet composite slab 5, firstly positioning the outer steel-clad concrete column 1, then corresponding an eleventh connecting hole on a vertical limb of a bottom angle steel 12 with a seventh connecting hole and an eighth connecting hole of the outer steel-clad concrete column 1, corresponding an eleventh connecting hole on a horizontal limb of the bottom angle steel 12 with a ninth connecting hole of the profiled steel sheet composite slab 5, sequentially penetrating a second bolt 13 through the eleventh connecting hole of the vertical limb of the bottom angle steel 12, the seventh connecting hole on a circumferential steel sheet sleeve 2 and the eighth connecting hole on the outer concrete column, and screwing a nut to connect the vertical limb of the bottom angle steel 12 with the outer steel-clad concrete column 1, wherein the connection of the vertical limb of the bottom angle steel 12 with the outer steel-clad concrete column 1 can also be realized by directly welding angle steel on the circumferential steel sheet sleeve 2, then arranging a temporary support which is erected by a scaffold, dismantling the member after the strength of the member reaches the design requirement, hoisting the profiled steel sheet composite board 5 on the top of the outer steel-clad concrete column 1 to enable the outer steel-clad concrete column 1 to penetrate through a first connecting hole on the profiled steel sheet composite board 5, enabling the profiled steel sheet composite board 5 to be located in the middle of the outer steel-clad concrete column 1, enabling the profiled steel sheet composite board 5 to be placed on bottom angle steel 12, enabling a tenth connecting hole on a vertical limb of top angle steel 11 to correspond to a seventh connecting hole and an eighth connecting hole of the outer steel-clad concrete column 1, enabling a tenth connecting hole on a horizontal limb of top angle steel 11 to correspond to a ninth connecting hole on the profiled steel sheet composite board 5, sequentially enabling a second bolt 13 to penetrate through the tenth connecting hole, the seventh connecting hole and the eighth connecting hole of the vertical limb of top angle steel 11, screwing a nut to enable the vertical limb of top angle steel 11 to be connected with the outer steel-clad concrete column 1, and finally sequentially enabling a third bolt 14 to penetrate through the eleventh connecting hole of the horizontal limb of the bottom angle steel, And screwing down nuts to enable the horizontal limb of the bottom angle steel 12 to be connected with the profiled steel plate composite plate 5 and the horizontal limb of the top angle steel 11 to be connected with the profiled steel plate composite plate 5.

Claims (5)

1. A prefabricated steel-encased concrete column is connected with a profiled steel sheet composite board and is characterized by comprising the steel-encased concrete column, the profiled steel sheet composite board and a connecting assembly, wherein the steel-encased concrete column comprises a steel reinforcement framework and a circumferential steel sheet sleeve, column body angle steels are welded on four upright columns of the steel reinforcement framework, anchoring steel bars are welded on the inner side surfaces of the circumferential steel sheet sleeve, the circumferential steel sheet sleeve is sleeved on the steel reinforcement framework and welded with the column body angle steels, and concrete is poured on the steel reinforcement framework and in the column body angle steels; the profiled steel sheet combined plate comprises a profiled steel sheet and a first reinforcing mesh, wherein the profiled steel sheet is provided with a first connecting hole, the first reinforcing mesh is arranged above the profiled steel sheet in parallel, and concrete is poured among the profiled steel sheet, the first reinforcing mesh and the profiled steel sheet and the first reinforcing mesh; the steel-encased concrete column penetrates through the first connecting hole in the profiled steel sheet and is connected with the profiled steel sheet composite slab through the connecting assembly;
the profiled steel sheet combination plate is also provided with a plurality of 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, a third connecting hole and a plurality of fourth connecting holes are formed in the upper outer ring plate, the fourth connecting holes are circumferentially arranged around the third connecting holes, a fifth connecting hole and a plurality of sixth connecting holes are formed in the lower outer ring plate, the sixth connecting holes are circumferentially arranged around the fifth connecting holes, the outer-coated steel concrete column is welded to the lower outer ring plate and sequentially penetrates through the first connecting holes in the profiled steel sheet combined plate and the third connecting holes in the upper outer ring plate, the upper outer ring plate is welded to the outer-coated steel concrete column, the sixth connecting holes and the fourth connecting holes correspond to each other, the first bolts sequentially penetrate through the sixth connecting holes, the second connecting holes are connected with the fourth connecting holes, and therefore the outer-coated steel concrete column is connected with the profiled steel sheet combined plate.
2. The prefabricated steel-encased concrete column of claim 1, wherein a plurality of seventh connecting holes are formed in the circumferential steel plate sleeve, a plurality of eighth connecting holes are formed in the column body of the steel-encased concrete column, the seventh connecting holes correspond to the eighth connecting holes, a plurality of ninth connecting holes are formed in the steel-encased steel plate composite plate, the ninth connecting holes penetrate through the steel-encased steel plate composite plate, the connecting assembly comprises a plurality of top angle steels, a plurality of bottom angle steels, a plurality of second bolts and a plurality of third bolts, a plurality of tenth connecting holes are formed in the top angle steels, a plurality of eleventh connecting holes are formed in the bottom angle steels, the steel-encased concrete column penetrates through the first connecting holes of the steel-encased steel plate composite plate, the plurality of top angle steels are circumferentially arranged around the first connecting holes on the upper surface of the steel-encased steel plate composite plate, and the plurality of bottom angle steels are circumferentially arranged around the first connecting holes on the lower surface of the steel-encased steel plate composite plate, an eleventh connecting hole on a bottom angle steel vertical limb corresponds to a seventh connecting hole on the annular steel plate sleeve and an eighth connecting hole on the outer steel-coated concrete column, an eleventh connecting hole on a bottom angle steel horizontal limb corresponds to a ninth connecting hole on the profiled steel plate combination board, a tenth connecting hole on a top angle steel vertical limb corresponds to a seventh connecting hole on the annular steel plate sleeve and an eighth connecting hole on the outer steel-coated concrete column, a tenth connecting hole on a top angle steel horizontal limb corresponds to a ninth connecting hole on the profiled steel plate combination board, a second bolt sequentially penetrates through the tenth connecting hole, the seventh connecting hole and the eighth connecting hole of the top angle steel vertical limb to connect the top angle steel vertical limb with the outer steel-coated concrete column, the second bolt sequentially penetrates through the eleventh connecting hole of the bottom angle steel vertical limb, the seventh connecting hole on the annular steel plate sleeve and the eighth connecting hole of the outer steel-coated concrete column to connect the bottom angle steel vertical limb with the outer steel-coated concrete column, and a third bolt sequentially penetrates through an eleventh connecting hole of the bottom angle steel horizontal limb, a ninth connecting hole on the profiled steel sheet combined plate and a tenth connecting hole on the top angle steel horizontal limb, so that the horizontal limb of the bottom angle steel is connected with the profiled steel sheet combined plate, and the horizontal limb of the top angle steel is connected with the profiled steel sheet combined plate.
3. The prefabricated steel-encased concrete column of claim 2, wherein the number of top and bottom angle steels is four.
4. The construction process for connecting the prefabricated steel-encased concrete column with the profiled steel sheet composite slab as claimed in claim 1, comprising the steps of:
step 1: manufacturing an externally-coated steel concrete column, namely binding a steel reinforcement framework and column body angle steel, welding the angle steel with four stand columns of the steel reinforcement framework, sleeving a circumferential steel plate sleeve on the steel reinforcement framework and the column body angle steel, welding the circumferential steel plate sleeve with the column body angle steel, welding anchoring steel bars on four inner side surfaces of the circumferential steel plate sleeve, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column;
step 2: manufacturing a profiled steel sheet composite slab, selecting a profiled steel sheet, arranging a first connecting hole and a plurality of second connecting holes in the middle of the profiled steel sheet, arranging the plurality of second connecting holes circumferentially around the first connecting hole, placing a first reinforcing mesh above the profiled steel sheet in an air manner by utilizing a template, and pouring concrete into the template to complete the manufacturing of the profiled steel sheet composite slab;
and step 3: connecting the steel-encased concrete column with the profiled steel sheet composite panel, enabling the steel-encased concrete column to penetrate through a fifth connecting hole on the lower outer ring panel and be welded with the lower outer ring panel, then lifting the profiled steel sheet composite panel to the top of the column, enabling the steel-encased concrete column to penetrate through the first connecting hole, aligning a second connecting hole on the profiled steel sheet composite panel with a sixth connecting hole on the lower outer ring panel, then enabling the steel-encased concrete column to penetrate through a third connecting hole on the upper outer ring panel, enabling the upper outer ring panel to be located on the upper surface of the profiled steel sheet composite panel, welding the upper outer ring panel with the steel-encased concrete column, aligning a fourth connecting hole on the upper outer ring panel with the second connecting hole, finally sequentially enabling a first bolt to penetrate through the sixth connecting hole on the lower outer ring panel, the second connecting hole on the profiled steel sheet composite panel and the fourth connecting hole on the upper outer ring panel from bottom to top, and screwing a nut for fixation, and (5) finishing assembly.
5. The construction process for connecting the prefabricated steel-encased concrete column with the profiled steel sheet composite slab as claimed in claim 2, wherein the construction process comprises the following steps:
step 1: manufacturing an externally-coated steel concrete column, binding a steel reinforcement framework and column body angle steel, welding the angle steel on four stand columns of the steel reinforcement framework, arranging a plurality of seventh connecting holes on a steel plate sleeve and a circumferential steel plate sleeve, sleeving the circumferential steel plate sleeve with the reserved seventh connecting holes on the steel reinforcement framework and the column body angle steel, welding the circumferential steel plate sleeve and the column body angle steel, welding anchoring steel bars on four inner side surfaces of the steel plate sleeve, arranging a plurality of eighth connecting holes on the column body, corresponding the seventh connecting holes and the eighth connecting holes, and finally integrally pouring concrete to finish the manufacturing of the externally-coated steel concrete column;
step 2: manufacturing a profiled steel sheet composite slab, namely selecting a profiled steel sheet, arranging a first connecting hole and a plurality of ninth connecting holes in the middle of the profiled steel sheet, placing a first reinforcing mesh above the profiled steel sheet in an empty manner by utilizing a template, and pouring concrete into the template to finish the manufacturing of the profiled steel sheet composite slab;
and step 3: connecting the steel-encased concrete column with the profiled steel sheet composite slab, firstly positioning the steel-encased concrete column, then corresponding an eleventh connecting hole on a vertical limb of the bottom angle steel with a seventh connecting hole and an eighth connecting hole of the steel-encased concrete column, corresponding an eleventh connecting hole on a horizontal limb of the bottom angle steel with a ninth connecting hole on the profiled steel sheet composite slab, sequentially passing a second bolt through the eleventh connecting hole of the bottom angle steel vertical limb, the seventh connecting hole on the annular steel sheet sleeve and the eighth connecting hole on the steel-encased concrete column, screwing a nut to connect the bottom angle steel vertical limb with the steel-encased concrete column, then arranging a temporary support, hoisting the profiled steel sheet composite slab on the top of the steel-encased concrete column, passing the steel-encased concrete column through the first connecting hole on the profiled steel sheet composite slab, positioning the profiled steel sheet composite slab in the middle of the steel-encased concrete column, positioning the profiled steel sheet composite slab on the bottom angle steel, and finally, sequentially penetrating a third bolt through the eleventh connecting hole of the bottom corner horizontal limb, the ninth connecting hole of the profiled steel plate composite plate and the tenth connecting hole of the top corner horizontal limb, and the tenth connecting hole of the top corner steel horizontal limb, and the nut is tightened to connect the bottom corner steel horizontal limb with the profiled steel plate composite plate, and connect the top corner steel horizontal limb with the profiled steel plate composite plate.
CN202011255344.9A 2020-11-11 2020-11-11 Connecting and construction process of prefabricated steel-encased concrete column and profiled steel sheet composite slab Active CN112323988B (en)

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JP2001279812A (en) * 2000-03-30 2001-10-10 Daiwa House Ind Co Ltd Connection structure of steel frame column
RU2244789C1 (en) * 2003-07-31 2005-01-20 Научно-исследовательское и экспериментально-проектное республиканское унитарное предприятие "Институт БелНИИС" Министерства архитектуры и строительства Республики Беларусь Composite reinforced concrete column, butt-joint for columns and method of butt-joint forming
CN103615072A (en) * 2013-11-25 2014-03-05 广西大学 Steel-encased concrete steel column with built-in spiral stirrup
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
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