CN109680810A - The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column - Google Patents
The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column Download PDFInfo
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- CN109680810A CN109680810A CN201910150487.4A CN201910150487A CN109680810A CN 109680810 A CN109680810 A CN 109680810A CN 201910150487 A CN201910150487 A CN 201910150487A CN 109680810 A CN109680810 A CN 109680810A
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- column
- steel pipe
- upper layer
- reinforced
- pipe column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 170
- 239000010959 steel Substances 0.000 title claims abstract description 170
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000011440 grout Substances 0.000 claims abstract description 23
- 241000446313 Lamella Species 0.000 claims abstract description 6
- 210000003205 muscle Anatomy 0.000 claims description 56
- 239000004567 concrete Substances 0.000 claims description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010412 perfusion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses the switching nodes and construction method of a kind of upper layer steel pipe column and lower layer's reinforced column, the switching node is the tie point of upper layer steel pipe column and lower layer's reinforced column, the upper layer steel pipe column is inserted into switching node region, the switching node region is connected with reinforced beam in the horizontal direction, in the switching node region, weld annulate lamella in the inside of the upper layer steel pipe column, and the ring flat-plate is equipped with grout hole, at least side in the inner side and outer side of the upper layer steel pipe column is welded with steel pipe peg, T shape bracket is welded on the outside of the upper layer steel pipe column;The T shape bracket includes: the bracket edge of a wing, and the bracket edge of a wing is horizontally extending;Bracket web, the bracket web are located at the bottom on the bracket edge of a wing and extend downwardly;And bracket peg, the bracket peg are located on the bracket web.The stress performance of the switching node of upper layer steel pipe column according to the present invention and lower layer's reinforced column is good and safe and reliable.
Description
Technical field
The present invention relates to architectural engineerings and composite structure technical field, more particularly, to a kind of upper layer steel pipe column and lower layer's steel
The switching node and construction method of reinforced concrete column.
Background technique
In the related technology, in recent years, it is the knot of steel pipe column for reinforced column, top that many building structure, which use bottom,
Configuration formula.On top, what kind of the handover position of steel pipe column and lower rebar concrete column, rc-frame-beam should use
Switching node construction is always focus of attention.Existing engineering will be often inserted in concrete column under steel pipe, and underthrust depth is one
The height of floor.The way is overly conservative although can guarantee safety of structure, more serious to the waste of steel, and constructs
Cumbersome difficulty.For this purpose, how to optimize the structure of the switching node on the basis of guaranteeing that stress performance is good, structure is safe and reliable
Make, reduce the underthrust length of steel pipe, and make construction become simple and convenient, be such switching node can obtain more preferably develop answer
Key.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose that the switching node of a kind of upper layer steel pipe column and lower layer's reinforced column, the stress performance of the switching node are excellent
More, securely and reliably and easy for construction.
It is another object of the present invention to the switching nodes for proposing a kind of upper layer steel pipe column and lower layer's reinforced column
Construction method.
The switching node of the upper layer steel pipe column Yu lower layer's reinforced column of embodiment according to a first aspect of the present invention, it is described
Switching node is the tie point of upper layer steel pipe column and lower layer's reinforced column, and the upper layer steel pipe column is inserted into switching node area
In domain, the switching node region is connected with reinforced beam in the horizontal direction, in the switching node region, the upper layer
Annulate lamella is welded in the inside of steel pipe column, and the ring flat-plate is equipped with grout hole, in the inner side and outer side of the upper layer steel pipe column
At least side is welded with steel pipe peg, and T shape bracket is welded on the outside of the upper layer steel pipe column;Wherein, the T shape bracket packet
Include: the bracket edge of a wing, the bracket edge of a wing are horizontally extending;Bracket web, the bracket web are located at the bracket edge of a wing
Bottom and extend downwardly;And bracket peg, the bracket peg are located on the bracket web.
The switching node of upper layer steel pipe column and lower layer's reinforced column according to an embodiment of the present invention, by upper layer steel
Annulate lamella is welded in the inside of tubing string, and ring flat-plate is equipped with grout hole, is convenient for by grout hole to the switching node regional perfusion
Concrete is conducive to improve the stress performance in the switching node region.In addition, by being welded in the outside of upper layer steel pipe column
There is T shape bracket, is conducive to improve the reliability that upper layer steel pipe column is connect with lower layer reinforced column as a result, is conducive to improve
The intensity and ductility of switching node.
In addition, the switching node of upper layer steel pipe column according to the above embodiment of the present invention and lower layer reinforced column also has
There is following additional technical characteristic:
According to some embodiments of the present invention, the bracket edge of a wing and the ring flat-plate are in the radial direction side of the upper layer steel pipe column
It is oppositely arranged upwards.
According to some embodiments of the present invention, the bracket web has first side and second side, first side
In face and the second side at least one at be equipped with the bracket peg.
Further, the bracket peg is arranged perpendicular to the bracket web, the bracket peg include it is multiple, it is described
Multiple bracket pegs are arranged spaced apart along the vertical direction.
According to some embodiments of the present invention, the cross section of the reinforced beam is in rectangle, the upper layer steel pipe column
Be inserted into the depth in the switching node region no more than the reinforced beam along the vertical direction on height;On described
The bottom of layer steel pipe column and the bottom of the bracket web are located at the same horizontal position.
Further, lower layer's reinforced column includes that multiple columns indulge muscle, and the multiple column indulges muscle along around described
The axis direction arranged for interval of reinforced column, the column are indulged muscle and are arranged within the scope of the ailhead of the steel pipe peg.
Further, when the diameter of the upper layer steel pipe column is less than the diameter of lower layer's reinforced column, institute
It states column and indulges the outside that muscle is arranged in the upper layer steel pipe column, at this point, the top that the column indulges muscle is only butted on the bracket edge of a wing
Bottom;When the diameter of the upper layer steel pipe column is greater than the diameter of lower layer's reinforced column, the column is indulged muscle and is arranged in
The inside of the upper layer steel pipe column, at this point, the bottom for being butted on the ring flat-plate is stopped at the top that the column indulges muscle.
Optionally, the reinforced beam includes upper longitudinal bar and muscle is indulged in lower part, and muscle is indulged in the upper longitudinal bar and lower part
Setting parallel and spaced apart, the upper longitudinal bar is welded in the top on the bracket edge of a wing, and the inner end of the upper longitudinal bar is stopped
Be butted on the outer side surface of the upper layer steel pipe column, the lower part indulge muscle horizontally pass through lower layer's reinforced column and
Penetrate through the reinforced beam.
According to some embodiments of the present invention, the grout hole be circular hole or polygonal hole, the grout hole and it is described on
Layer steel pipe column coaxial line;In the switching node region, the inside of the upper layer steel pipe column is perfused with the concrete of predetermined altitude,
The predetermined altitude is no more than the diameter of the upper layer steel pipe column.
The upper layer steel pipe column of embodiment and the switching node of lower layer reinforced column are applied according to a second aspect of the present invention
Work method, includes the following steps: S10: the steel member for the completion that is prefabricated in the factory being transported to construction site and is installed in place;S20: fixed
The column of position lower layer reinforced column indulges muscle, binds the first reinforcing bar of lower layer's reinforced column, first reinforced steel bar ring is around institute
It states column and indulges muscle and including the multiple of the setting that is spaced along the longitudinal;S30: the upper longitudinal bar of reinforced beam and the bracket edge of a wing are welded
It connects, muscle perforated rebar beams of concrete, the second reinforcing bar of assembling reinforcement beams of concrete are indulged in the lower part of reinforced beam;S40: formwork
Plate, casting concrete complete construction.
The present invention has the following advantages that compared with the existing technology and protrudes effect: first, efficiently and rapidly realizing upper layer
Steel pipe column and lower layer's reinforced column greatly optimize the way of traditional steel pipe underthrust in the conversion in switching node region,
It is easy for construction, save material.Second, the setting of steel corbel (such as T shape bracket etc.) can effectively improve upper layer steel pipe column and lower layer
The reliability of reinforced column connection, improves the intensity and ductility of switching node.It is adopted third, column indulges muscle with upper layer steel pipe column
With indirect power transmission, cumbersome construction brought by being directly connected to is avoided.Fourth, upper layer steel pipe column is to its joint cores concrete
With effect of restraint, it is remarkably improved its stress performance.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the one of the switching node of upper layer steel pipe column according to an embodiment of the invention and lower layer's reinforced column
A schematic diagram, wherein the diameter of upper layer steel pipe column is less than the diameter of lower layer's reinforced column;
Fig. 2 is the sectional view of the I-I line along Fig. 1;
Fig. 3 is the sectional view of the II-II line along Fig. 1;
Fig. 4 is the sectional view of the III-III line along Fig. 1;
Fig. 5 is the switching node of upper layer steel pipe column and lower layer's reinforced column in accordance with another embodiment of the present invention
One schematic diagram, wherein the diameter of upper layer steel pipe column is greater than the diameter of lower layer's reinforced column;
Fig. 6 is the sectional view of the I-I line along Fig. 5;
Fig. 7 is the sectional view of the II-II line along Fig. 5;
Fig. 8 is the sectional view of the III-III line along Fig. 5.
Appended drawing reference:
The switching node 100 of upper layer steel pipe column and lower layer's reinforced column,
Upper layer steel pipe column 1, lower layer's reinforced column 2, reinforced beam 3, ring flat-plate 4, grout hole 5, steel pipe peg 6, T
Shape bracket 7, the bracket edge of a wing 8, bracket web 9, bracket peg 10, column indulge muscle 11, upper longitudinal bar 12, and muscle 13, concrete are indulged in lower part
14。
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the conversion of upper layer steel pipe column and lower layer's reinforced column according to an embodiment of the present invention is described
Node 100.
Referring to Fig.1 and Fig. 5, the upper layer steel pipe column Yu lower layer's reinforced column of embodiment according to a first aspect of the present invention
Switching node 100, the switching node are the tie point of upper layer steel pipe column 1 and lower layer's reinforced column 2, upper layer steel pipe column 1
It can be coaxially disposed with lower layer reinforced column 2, upper layer steel pipe column 1 is inserted into switching node region, the switching node
Region is connected with reinforced beam 3 in the horizontal direction.For example, upper layer steel pipe column 1 can extend along the vertical direction, the level
Direction is the axially direction perpendicular to the upper layer steel pipe column 1, in the axial direction of upper layer steel pipe column 1, reinforced beam 3
Top can be higher than the top in the switching node region, and the bottom of reinforced beam 3 can be lower than the switching node
The lowermost end in region.
In the switching node region, the inside of upper layer steel pipe column 1 can weld annulate lamella 4, and ring flat-plate 4 can be with rounded plate
Shape, ring flat-plate 4 can be arranged around the axis direction of upper layer steel pipe column 1, be conducive to the radial direction in upper layer steel pipe column 1 by ring flat-plate 4
Power transmission on direction, and grout hole 5 can be equipped on ring flat-plate 4.Optionally, ring flat-plate 4 can be steel, and grout hole 5 can be to set
Round hole at 4 middle part of ring flat-plate is convenient for being conducive to improve institute to the switching node regional perfusion concrete by grout hole 5
State the stress performance in switching node region.Certainly, in some optional examples of the invention, grout hole 5 can be to be located at
Polygonal hole or irregularly-shaped hole on ring flat-plate 4 etc., the present invention are not especially limited the shape of grout hole 5, and the shape of grout hole 5 can
With the setting of adaptability according to actual needs.
At least side in the inner side and outer side of upper layer steel pipe column 1 is welded with steel pipe peg 6.For example, some optional
In example, the inside that can be upper layer steel pipe column 1 is welded with steel pipe peg 6;In some optional examples, it is also possible to upper layer
The outside of steel pipe column 1 is welded with steel pipe peg 6;In some optional examples, can also be upper layer steel pipe column 1 inside and
Steel pipe peg 6 is welded in outside.The switching node region and concrete are advantageously ensured that by steel pipe peg 6 as a result,
Connection reliability.
In some embodiments of the invention, as shown in Figure 1 and Figure 5, the outside of upper layer steel pipe column 1 can be welded with T shape
Bracket 7;Wherein, T shape bracket 7 includes: the bracket edge of a wing 8, bracket web 9 and bracket peg 10.
Specifically, the bracket edge of a wing 8 can be horizontally extending;For example, reinforced beam 3 can be along shown in Fig. 1
Horizontal direction extend, the bracket edge of a wing 8 can be extended in the same direction with reinforced beam 3.Bracket web 9 is located at the bracket edge of a wing 8
Bottom, and bracket web 9 can extend downwardly;Bracket peg 10 is located on bracket web 9.As a result, by the conversion
T shape bracket 7 is arranged in node region, can effectively improve the reliability that upper layer steel pipe column 1 is connect with lower layer reinforced column 2, have
Conducive to the intensity and ductility for improving switching node.
For example, referring to Fig. 3 and Fig. 7, the outside of upper layer steel pipe column 1 can be welded with two T shape brackets 7, it is preferable that two
T shape bracket 7, in this way can be with force balance, to be conducive to further mention in the diametrically opposed setting of upper layer steel pipe column 1
The reliability that high upper layer steel pipe column 1 is connect with lower layer reinforced column 2.
Wherein, " peg " belongs to a kind of fastener of high-intensitive rigidity connection, is used in various structural steelworks, in difference
Stiff assembly connection function is played in connector.
The switching node 100 of upper layer steel pipe column according to an embodiment of the present invention and lower layer's reinforced column, by upper
Annulate lamella 4 is welded in the inside of layer steel pipe column 1, and ring flat-plate 4 is equipped with grout hole 5, is convenient for by grout hole 5 to the switching node
Regional perfusion concrete is conducive to improve the stress performance in the switching node region.In addition, by upper layer steel pipe column 1
Outside be welded with T shape bracket 7, be conducive to improve as a result, upper layer steel pipe column 1 connect with lower layer reinforced column 2 it is reliable
Property, be conducive to the intensity and ductility that improve switching node.
As shown in Figure 1, according to some embodiments of the present invention, the bracket edge of a wing 8 and ring flat-plate 4 can be in upper layer steel pipe columns 1
It is oppositely arranged in the radial direction.For example, upper layer steel pipe column 1 in the radial direction, the bracket edge of a wing 8 and ring flat-plate 4 opposite can be set
It sets;On the axial direction of upper layer steel pipe column 1, ring flat-plate 4 and the bracket edge of a wing 8 are contour.Be conducive in transmitting by ring flat-plate 4 as a result,
Layer steel pipe column 1 pulling force in radial directions, to advantageously ensure that upper layer steel pipe column 1 is connect with lower layer reinforced column 2
Reliability.
The invention is not limited thereto, and in some alternative embodiments, the bracket edge of a wing 8 and ring flat-plate 4 can also be in upper layer steel pipes
The preset distance that is staggered on the axial direction of column 1 setting.
In conjunction with Fig. 4 and Fig. 8, according to some embodiments of the present invention, bracket web 9 has first side and second side,
In first side and second side at least one at be equipped with bracket peg 10.Further, bracket peg 10 can be perpendicular to ox
Leg web 9 is arranged, and for bracket peg 10 including multiple, multiple bracket pegs 10 are arranged spaced apart along the vertical direction.For example, some
In optional example, it can be and be equipped with bracket peg 10 in first side;In some optional examples, it is also possible to second
Side is equipped with bracket peg 10;In some optional examples, it can also be and be equipped with bracket in first side and second side
Peg 10.
Referring to Fig. 4 and Fig. 1 is combined, according to some embodiments of the present invention, the cross section of reinforced beam 3 can be in square
Shape (such as rectangular), upper layer steel pipe column 1 are inserted into the depth in the switching node region no more than (e.g., less than or equal to)
Reinforced beam 3 along the vertical direction on height.It can make the bottom of upper layer steel pipe column 1 and reinforced beam 3 in this way
Inner bottom surface is spaced apart, structurally reasonable.Optionally, the bottom of upper layer steel pipe column 1 and the bottom of bracket web 9 can be located at same water
Prosposition is set.
Further, referring to Fig. 3 and Fig. 7, lower layer's reinforced column 2 may include that multiple columns indulge muscle 11, and multiple columns are vertical
Muscle 11 can indulge the ailhead model that muscle 11 is arranged in steel pipe peg 6 along the axis direction arranged for interval around reinforced column 2, column
In enclosing.It is arranged within the scope of the ailhead of steel pipe peg 6 by the way that column is indulged muscle 11 as a result, is conducive to preferably power transmission, to guarantee
The stress of upper layer steel pipe column 1 is effectively transferred to column and indulges muscle 11.In addition, column, which indulges muscle 11, uses indirect power transmission with upper layer steel pipe column 1, keep away
Exempt to be directly connected to brought cumbersome construction, has simplified work progress.
Further, referring to Fig.1, when the diameter of upper layer steel pipe column 1 is less than the diameter of lower layer's reinforced column 2,
Column indulges the outside that muscle 11 is arranged in upper layer steel pipe column 1, at this point, the top that column indulges muscle 11 can only be butted on the bottom on the bracket edge of a wing 8.
Referring to Fig. 5, when the diameter of upper layer steel pipe column 1 is greater than the diameter of lower layer's reinforced column 2, column indulges muscle 11 and is arranged in upper layer steel
The inside of tubing string 1, at this point, the top that the column indulges muscle 11 can only be butted on the bottom of the ring flat-plate 4.Be conducive to as a result, more preferable
Ground power transmission, and different construction requirements can be met.
Optionally, referring to Fig.1 with Fig. 4 (or referring to Fig. 5 and Fig. 8), reinforced beam 3 includes upper longitudinal bar 12 and lower part
Vertical muscle 13, the T shape bracket 7 can be located at upper longitudinal bar 12 and lower part is indulged between muscle 13, and muscle 13 is indulged in upper longitudinal bar 12 and lower part
Parallel and be spaced apart setting, upper longitudinal bar 12 is welded in the top on the bracket edge of a wing 8, and inner end (such as the top of upper longitudinal bar 12
The side of the center line of the neighbouring upper layer steel pipe column 1 of vertical muscle 12) it is only butted on the outer side surface of upper layer steel pipe column 1, muscle 13 is indulged in lower part
Horizontally pass through lower layer's reinforced column 2 and perforated rebar beams of concrete 3.For example, adjacent column indulge muscle 11 it
Between have gap, lower part indulge muscle 13 can horizontally pass through the column on lower layer's reinforced column 2 indulge muscle 11 between sky
Gap, and lower part indulge muscle 13 in the horizontal direction on length can be with the equal length of reinforced beam 3.
According to some embodiments of the present invention, referring to Fig. 2 and Fig. 6, grout hole 5 can be circular hole or polygonal hole etc., fill
It starches hole 5 and upper layer steel pipe column 1 can be with coaxial line;For example, the axis of grout hole 5 can be coaxial with the axis of upper layer steel pipe column 1;When
When grout hole 5 is polygon, the axis of the grout hole 5 can be the maximum circumscribed circle of polygon or the axis of minimum inscribed circle
Line, this will be understood by one skilled in the art.
In the switching node region, the inside of upper layer steel pipe column 1 is perfused with the concrete 14 of predetermined altitude, described predetermined
Height is no more than the diameter of upper layer steel pipe column 1.For example, the height that the inside of upper layer steel pipe column 1 is perfused with concrete 14 can be small
In or equal to upper layer steel pipe column 1 diameter.Be conducive to save material as a result, and upper layer steel pipe column 1 is to the switching node
The concrete in region has effect of restraint, is remarkably improved its stress performance.
The upper layer steel pipe column of embodiment and the switching node of lower layer reinforced column are applied according to a second aspect of the present invention
Work method, includes the following steps: S10: the steel member for the completion that is prefabricated in the factory being transported to construction site and is installed in place;The steel
Component includes all components other than concrete;S20: the column of positioning lower layer's reinforced column indulges muscle, binds lower layer's steel
First reinforcing bar of reinforced concrete column, first reinforced steel bar ring indulges muscle around the column, and first reinforcing bar may include along vertical
To the multiple of setting spaced apart;S30: the upper longitudinal bar of reinforced beam and the bracket edge of a wing are welded, reinforced beam
Indulge muscle perforated rebar beams of concrete, the second reinforcing bar of assembling reinforcement beams of concrete in lower part;S40: formwork supporting plate, casting concrete are complete
At construction.
The construction method of the switching node of upper layer steel pipe column according to an embodiment of the present invention and lower layer's reinforced column, knot
Structure is simple, reasonable stress, and all steel members can be prefabricated in the factory, assembled in situ, can effectively improve holding for switching node
Loading capability and anti-seismic performance.
The upper layer steel pipe column 1 of the embodiment of the present invention and the switching node 100 of lower layer's reinforced column 2.The conversion section
The top of point uses steel pipe column, and bottom is reinforced column, and switching node horizontal direction is connected with reinforced beam 3.?
The bottom of upper layer steel pipe column 1 is welded with T shape bracket 7, and upper layer steel pipe column 1 and T shape bracket 7 are inserted into the coagulation in switching node region
In soil.It is uniformly distributed that steel pipe peg 6, the first side of bracket web 9 and second side are welded with inside and outside upper layer steel pipe column 1
It is equipped with bracket peg 10, can guarantee the reliability connected with concrete in this way.On upper layer, ring flat-plate 4 is arranged in the inside of steel pipe column 1
To transmit the pulling force of the upper longitudinal bar 12 of reinforced beam 3, the pouring in order to concrete of grout hole 5 is offered on ring flat-plate 4.
The upper longitudinal bar 12 of reinforced beam 3 is welded in the bracket edge of a wing 8, and muscle 13 is indulged along full Liang Guantong in the lower part of reinforced beam 3.
The column of lower layer's reinforced column 2 indulges the bottom that muscle 11 extends upwardly to the bracket edge of a wing 8, and the column indulges muscle 11 and is arranged in steel pipe bolt
Within the scope of the ailhead of nail 6, guarantee that the stress of upper layer steel pipe column 1 is effectively transferred to column and indulges muscle 11.Upper layer steel pipe column 1 is located at described turn
The inside for changing the part on node region can be with concrete perfusion 14, so that the connection of upper layer steel pipe column 1 and concrete 14 is more
It is reliable.Upper layer steel pipe column 1, T shape bracket 7, ring flat-plate 4 and peg (including steel pipe peg 6 and bracket peg 10) are in factory
It is prefabricated, upper layer steel pipe column 1 is lifted in place when construction, binds the reinforcing bar (such as first reinforcing bar) of lower layer's reinforced column, this
It welds afterwards, the reinforcing bar (such as second reinforcing bar) of assembling reinforcement beams of concrete, formwork supporting plate, casting concrete is applied to complete node
Work.The switching node 100 of upper layer steel pipe column according to an embodiment of the present invention and lower layer's reinforced column, stress performance is good,
Simple structure, it is easy for construction, there is significant technical economic benefit.
The switching node 100 and construction method of upper layer steel pipe column according to an embodiment of the present invention and lower layer's reinforced column
Other constitute and operation be all for those of ordinary skills it is known, for example, unmentioned in the application
The structure or method of switching node 100 and construction method about upper layer steel pipe column and lower layer's reinforced column is referred to often
The mode of rule carries out, and is not detailed herein.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. the switching node (100) of a kind of upper layer steel pipe column and lower layer's reinforced column, the switching node is upper layer steel pipe
The tie point of column (1) and lower layer's reinforced column (2), which is characterized in that
The upper layer steel pipe column (1) is inserted into switching node region, and the switching node region is connected with steel in the horizontal direction
Concrete Beam Reinforced (3), in the switching node region, annulate lamella (4) are welded in the inside of the upper layer steel pipe column (1), and described
Ring flat-plate (4) is equipped with grout hole (5), and at least side in the inner side and outer side of the upper layer steel pipe column (1) is welded with steel pipe bolt
It follows closely (6), is welded with T shape bracket (7) on the outside of the upper layer steel pipe column (1);
Wherein, the T shape bracket (7) includes:
The bracket edge of a wing (8), the bracket edge of a wing (8) are horizontally extending;
Bracket web (9), the bracket web (9) are located at the bottom of the bracket edge of a wing (8) and extend downwardly;And
Bracket peg (10), the bracket peg (10) are located on the bracket web (9).
2. the switching node (100) of upper layer steel pipe column according to claim 1 and lower layer's reinforced column, feature exists
In the bracket edge of a wing (8) being oppositely arranged in the radial direction in the upper layer steel pipe column (1) with the ring flat-plate (4).
3. the switching node (100) of upper layer steel pipe column according to claim 1 or 2 and lower layer's reinforced column, special
Sign is, the bracket web (9) has first side and a second side, in the first side and the second side extremely
The bracket peg (10) is equipped at few one.
4. the switching node (100) of upper layer steel pipe column according to claim 3 and lower layer's reinforced column, feature exists
In, the bracket peg (10) is arranged perpendicular to the bracket web (9), the bracket peg (10) include it is multiple, it is described more
A bracket peg (10) is arranged spaced apart along the vertical direction.
5. the switching node (100) of upper layer steel pipe column according to claim 3 and lower layer's reinforced column, feature exists
In the cross section of the reinforced beam (3) is in rectangle, and the upper layer steel pipe column (1) is inserted into the switching node region
Interior depth be no more than the reinforced beam (3) along the vertical direction on height;
The bottom of the upper layer steel pipe column (1) and the bottom of the bracket web (9) are located at the same horizontal position.
6. the switching node (100) of upper layer steel pipe column according to claim 5 and lower layer's reinforced column, feature exists
In lower layer's reinforced column (2) includes that multiple columns indulge muscle (11), and the multiple column indulges muscle (11) along around the reinforcing bar
The axis direction arranged for interval of concrete column (2), the column indulge the ailhead range that muscle (11) is arranged in the steel pipe peg (6)
It is interior.
7. the switching node (100) of upper layer steel pipe column according to claim 6 and lower layer's reinforced column, feature exists
In,
When the diameter of the upper layer steel pipe column (1) is less than the diameter of lower layer's reinforced column (2), the column indulges muscle
(11) it is arranged in the outside of the upper layer steel pipe column (1), at this point, the top that the column indulges muscle (11) is only butted on the bracket edge of a wing
(8) bottom;
When the diameter of the upper layer steel pipe column (1) is greater than the diameter of lower layer's reinforced column (2), the column indulges muscle
(11) it is arranged in the inside of the upper layer steel pipe column (1), at this point, the top that the column indulges muscle (11) is only butted on the ring flat-plate (4)
Bottom.
8. the switching node (100) of upper layer steel pipe column according to claim 6 and lower layer's reinforced column, feature exists
In the reinforced beam (3) includes that muscle (13) are indulged in upper longitudinal bar (12) and lower part, and the upper longitudinal bar (12) and lower part are vertical
Muscle (13) is parallel and is spaced apart setting, and the upper longitudinal bar (12) is welded in the top of the bracket edge of a wing (8), and the top
The outer side surface for being butted on the upper layer steel pipe column (1) is stopped in the inner end of vertical muscle (12), and the lower part is indulged muscle (13) and worn in the horizontal direction
Cross lower layer's reinforced column (2) and the perforation reinforced beam (3).
9. the switching node (100) of upper layer steel pipe column according to claim 8 and lower layer's reinforced column, feature exists
In, the grout hole (5) be circular hole or polygonal hole, the grout hole (5) and upper layer steel pipe column (1) coaxial line;
In the switching node region, the inside of the upper layer steel pipe column (1) is perfused with the concrete (14) of predetermined altitude, described
Predetermined altitude is no more than the diameter of the upper layer steel pipe column (1).
10. a kind of conversion section of upper layer steel pipe column according to claim 1 to 9 and lower layer's reinforced column
The construction method of point, which comprises the steps of:
S10: the steel member for the completion that is prefabricated in the factory is transported to construction site and is installed in place;
S20: the vertical muscle of the column of positioning lower layer's reinforced column, the first reinforcing bar of binding lower layer's reinforced column, described first
Reinforced steel bar ring is around the vertical muscle of the column and including the multiple of the setting that is spaced along the longitudinal;
S30: the upper longitudinal bar of reinforced beam and the bracket edge of a wing are welded, and muscle perforated rebar is indulged in the lower part of reinforced beam
Beams of concrete, the second reinforcing bar of assembling reinforcement beams of concrete;
S40: formwork supporting plate, casting concrete complete construction.
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