CN106351401B - Half assembled super-high strength steel pipe slip casting overlaps rod structure and production method - Google Patents
Half assembled super-high strength steel pipe slip casting overlaps rod structure and production method Download PDFInfo
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- CN106351401B CN106351401B CN201610975944.XA CN201610975944A CN106351401B CN 106351401 B CN106351401 B CN 106351401B CN 201610975944 A CN201610975944 A CN 201610975944A CN 106351401 B CN106351401 B CN 106351401B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/021—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor for circular columns
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Abstract
The present invention relates to composite structure building field, half assembled super-high strength steel pipe slip casting superposed column of specially a kind of half assembled super-high strength steel pipe slip casting overlapping rod structure and production method, making can be used for load-carrying members high-rise, in high-rise building.The structure includes：High-strength steel tubing string, injected hole, gas vent, blow vent, connecting partition, high-strength grout, groove, high-strength longitudinal reinforcement, stirrup, high-strength concrete, high-strength longitudinal reinforcement branch sleeve.Compared with common steel tube concrete superposed column, since built-in steel pipe uses high strength steel pipe, slip casting in steel pipe is high-strength grout, vertical muscle uses high tensile reinforcement, concrete uses high-strength concrete, therefore its intensity be significantly larger than general steel tube concrete superposed column, can reach 3 times or more of general concrete superposed column intensity, can better meet practical high level, the vertical load-carrying members of high-rise building engineering design needs.
Description
Technical field
The present invention relates to composite structure building field, specially a kind of half assembled super-high strength steel pipe slip casting overlaps rod structure
And production method, half assembled super-high strength steel pipe slip casting superposed column of making can be used for load-bearing knot high-rise, in high-rise building
Structure.
Background technology
With the development of society, there are more and more high-rise and high-rise buildings.This building, due to floor compared with
Height, therefore it is required that the column for load-bearing has very high bearing capacity.When column bearing capacity is identical, it to be used for the strong of the column of load-bearing
Degree is higher, and for the cross-sectional area of column with regard to smaller, the construction area of occupancy can reserve more use spaces with regard to smaller.Therefore, it researches and develops
High-strength column is always one of important directions of building field.Meanwhile construction pollution is reduced, it is also close to pursue green building
The important development direction of a little year building fields.For this purpose, proposing half assembled super-high strength steel pipe slip casting overlapping rod structure and making side
Method, the superposed column have very high intensity, can reach 3 times or more of general concrete superposed column intensity, and can partly use
The method of assembly meets the demand for development of green building.
Invention content
The object of the present invention is to provide a kind of half assembled super-high strength steel pipe slip casting overlapping rod structure and production methods, more preferably
Satisfaction is practical high-rise, designs of the vertical load-carrying members of high-rise building engineering, construction needs.
The technical scheme is that：
A kind of half assembled super-high strength steel pipe slip casting overlapping rod structure, the structure include：High-strength steel tubing string, injected hole, row
Stomata, blow vent, connecting partition, high-strength grout, groove, high-strength longitudinal reinforcement, stirrup, high-strength concrete, high-strength longitudinal steel
Muscle branch sleeve, concrete structure are as follows：
Groove is made in the top and bottom of high-strength steel tubing string, and injected hole, lower side is arranged in the upper side of high-strength steel tubing string
Gas vent is arranged in face；High-strength grout is filled in high-strength steel tubing string；Gas vent is sealed close to one end of high-strength grout, is being vented
Blow vent is arranged in the side in hole, mouth down of ventilating；
In the end face of the close injected hole of high-strength steel tubing string, connecting partition, the overall diameter and high strength steel pipe of connecting partition are set
The interior diameter of column is identical, wherein annular connecting partition through-thickness, the half of annular connecting partition is in high-strength steel tubing string, ring
The other half of shape connecting partition exposes high-strength steel tubing string, and the part of exposing is stretched into another high when connecting another high-strength steel tubing string
Strong steel pipe column；
Surrounding arranges that high-strength longitudinal reinforcement, stirrup are bound on high-strength longitudinal reinforcement on the outside of high-strength steel tubing string.
The half assembled super-high strength steel pipe slip casting overlaps rod structure, in a high-strength steel tubing string and another high-strength steel
When tubing string connects, it is located at the high-strength steel tubing string of top perfusion high-strength grout close to the end of gas vent, is perfused with positioned at lower part
The high-strength steel tubing string of high-strength grout docks.
The half assembled super-high strength steel pipe slip casting overlaps rod structure, when two high-strength steel tubing strings connect, using docking
Groove welding.
The half assembled super-high strength steel pipe slip casting overlaps rod structure, half assembled super-high strength steel pipe slip casting superposed column knot
The cross section of structure is round or rectangle, and the cross section of high-strength steel tubing string is round or rectangle, and the cross section of stirrup is round or square
Shape, connecting partition cross section are annular or rectangle.
The specific production method of the half assembled super-high strength steel pipe slip casting overlapping rod structure, includes the following steps：
(1) one end that high-strength steel tubing string is had to gas vent is blocked using clay or other plugging materials, clay or other envelopes
Two end faces of stifled material, one end is concordant with by the end face of high-strength steel tubing string, and the other end is concordant with the lower edge of gas vent, uses
Clay or other plugging materials block gas vent；High-strength grout is injected in high-strength steel tubing string, it is final to inject the upper of grouting material
The lower edge on surface and grout material hole is highly consistent；After high-strength grout solidification, clay or other plugging materials are taken out；
(2) after completing above-mentioned steps, in the end face spot welding annular connecting partition of the close grouting port of high-strength steel tubing string, annular
The overall diameter of connecting partition is identical as the interior diameter of high-strength steel tubing string, wherein annular connecting partition through-thickness, annular connection
The half of partition board is in high-strength steel tubing string, and the other half of annular connecting partition exposes high-strength steel tubing string, and the part of exposing is connecting
When another high-strength steel tubing string, another high-strength steel tubing string is stretched into；
(3) the high-strength steel tubing string for pouring into high-strength grout is fixed, high-strength longitudinal reinforcement is arranged in its surrounding, by stirrup
It binds on high-strength longitudinal reinforcement, concrete mold is set on the outside of stirrup；
(4) high-strength concrete is poured in concrete mold, upper surface and the high-strength steel tubing string of the high-strength concrete poured
The upper level of interior high-strength grout is identical；
(5) top is perfused to the high-strength steel tubing string of high-strength grout close to the end of gas vent, high-strength filling is perfused with lower part
The high-strength steel tubing string of slurry docks；
It repeats the above process, the construction of half assembled super-high strength steel pipe slip casting superposed column can be completed.
The specific production method of the described half assembled super-high strength steel pipe slip casting overlapping rod structure, when docking, lower annular
Connecting partition stretches into the high-strength steel tubing string of top, the welding at butting grooves, then is filled by the injected hole of lower part high-strength steel tubing string
High-strength grout is noted, until high-strength grout is flowed out from the gas vent of top high-strength steel tubing string, completes perfusion high-strength grout
The connection of high-strength steel tubing string.
The specific production method of the half assembled super-high strength steel pipe slip casting overlapping rod structure, concrete mold is upper and lower
Seperated docking structure.
The invention has the characteristics that and advantageous effect：
1, half assembled super-high strength steel pipe slip casting of the invention overlaps rod structure, with common steel tube concrete superposed column phase
Than since built-in steel pipe uses high strength steel pipe, the slip casting in steel pipe is high-strength grout, indulges muscle and uses high tensile reinforcement, concrete
Using high-strength concrete, therefore its intensity is significantly larger than general steel tube concrete superposed column, can reach general concrete superposed column
3 times or more of intensity, can better meet practical high level, the vertical load-carrying members of high-rise building engineering design needs.
2, half assembled super-high strength steel pipe slip casting of the invention overlaps rod structure, and high-strength grouting is injected in high strength steel pipe
Material, pours into high-strength concrete outside high strength steel pipe, and strength of high strength concrete is less than high-strength grout, is arranged around column high-strength
Longitudinal reinforcement is more in line with high-rise, Super High column force request, i.e., high-rise, high-rise building column middle part is with axial compression
Based on, therefore high-strength grout is injected in the high strength steel pipe in column, surrounding be pressurized or tension based on, and compressive strength is high
In middle part, therefore surrounding arranges the higher high-strength longitudinal reinforcement of intensity, and material distribution is reasonable.
3, half assembled super-high strength steel pipe slip casting superposed column production method of the invention, with common steel tube concrete superposed column
It compares, the injection of high strength steel pipe and high strength steel pipe inside grouting material, the binding of high-strength vertical muscle and stirrup can be prefabricated in the factory
At site operation is simple, quick for installation, meets the theory of Green energy-saving buildings.
Description of the drawings
Fig. 1 is high-strength circular cross-section steel pipe column graphics.
Fig. 2 is the vertical view of high-strength circular cross-section steel pipe column after injecting high-strength grout.
Fig. 3 is sectional views of the Fig. 2 along the directions A-A.
Fig. 4 is gas vent graphics.
Fig. 5 is annular connecting partition graphics.
Fig. 6 is the procedure chart of annular connecting partition and the welding of high-strength circular cross-section steel pipe column.
Fig. 7 is annular connecting partition and the vertical view after the welding of high-strength circular cross-section steel pipe column.
Fig. 8 is sectional views of the Fig. 7 along the directions B-B.
Fig. 9 is the graphics of high-strength longitudinal reinforcement.
Figure 10 is the graphics of typical circular section stirrup.
Figure 11 is high-strength circular cross-section steel pipe column, the three-dimensional that high-strength longitudinal reinforcement and typical circular section stirrup are completed
Figure.
Figure 12 is the graphics of Figure 11 installation concrete mold assembling process.
Figure 13 is the high-strength circular cross-section steel pipe column vertical view after casting concrete.
Figure 14 is sectional views of the Figure 13 along the directions C-C.
Figure 15 is the graphics of the high-strength circular cross-section steel pipe column abutting joint process with annular partition after two slip castings.
Figure 16 is the vertical view of the half assembled super-high strength steel pipe slip casting overlapping rod structure of other section forms I.
Figure 17 is the vertical view of the half assembled super-high strength steel pipe slip casting overlapping rod structure of other section forms II.
In figure, 1 high-strength circular cross-section steel pipe column；2 injected holes；3 gas vents；4 blow vents；5 annular connecting partitions；6 is high-strength
Grouting material；7 grooves；8 high-strength longitudinal reinforcements；9 typical circular section stirrups；10 concrete molds；11 high-strength concretes；12 is high-strength
Longitudinal reinforcement branch sleeve；13 ordinary rectangular section stirrups；14 high-strength steel pipe column with rectangle section；15 clay or other closure materials
Material.
Specific implementation mode
The section form of half assembled super-high strength steel pipe slip casting of present invention overlapping rod structure can be round, can also be it
Its section form I and other section forms II.As shown in Fig. 1-Figure 17, half assembled super-high strength steel pipe slip casting of the invention overlapping
Rod structure includes mainly：High-strength circular cross-section steel pipe column 1, injected hole 2, gas vent 3, blow vent 4, annular connecting partition 5, height
Strength grouting material 6, groove 7, high-strength longitudinal reinforcement 8, typical circular section stirrup 9, concrete mold 10, high-strength concrete 11, height
Strong longitudinal reinforcement branch sleeve 12, ordinary rectangular section stirrup 13, high-strength steel pipe column with rectangle section 14, clay or other closure materials
Material 15, concrete structure is as follows：
As Figure 1-Figure 4, groove 7 is made in the top and bottom of high-strength circular cross-section steel pipe column 1, it is therefore an objective to which two high-strength
When circular cross-section steel pipe column 1 connects, butt groove weld may be used.
Injected hole 2 is arranged in the upper side of high-strength circular cross-section steel pipe column 1, and gas vent 3, injected hole 2 is arranged in lower side
Distance and gas vent lower edge of the lower edge apart from high-strength 1 upper surface of circular cross-section steel pipe column apart from high-strength circular cross-section steel
The distance of 1 lower face of tubing string needs to need the length computation of high-strength grout 6 to determine according to junction.
Wherein, the purpose in setting grout material hole 2 is to make a high-strength circular cross-section steel pipe column 1 and another high-strength circle
When tee section steel pipe column 1 connects, high-strength grout 6 can be injected from grout material hole 2, complete the company of high-strength circular cross-section steel pipe column
It connects.Gas vent 3 close to high-strength grout 6 one end seal, gas vent 3 side be arranged blow vent 4, blow vent 4 downward, this
When sample can guarantee perfusion high-strength grout 6, high-strength grout 6 will not block blow vent 4, while high-strength grout 6 can also be perfused
To precalculated position.When the purpose that gas vent 3 is arranged is to make to inject high-strength grout 6 from grout material hole 2, high-strength circular cross-section
Steel pipe column 1 and the air of another high-strength 1 coupling part of circular cross-section steel pipe column can be discharged, while can also be used to observe high-strength
Whether grouting material 6 is fully filled with coupling part.
The specific production method of the half assembled super-high strength steel pipe slip casting overlapping rod structure of circular cross-section of the present invention is as follows：
As shown in Figure 1-Figure 3, one end that high-strength circular cross-section steel pipe column 1 is had to gas vent 3, using clay or other closure
Material 15 blocks, two end faces of clay or other plugging materials 15, and one end and the end face of high-strength circular cross-section steel pipe column 1 are flat
Together, the other end is concordant with the lower edge of gas vent 3；Injected hole 2 and gas vent are blocked using clay or other plugging materials 15
3, in case grouting material causes injected hole 2 and gas vent 3 to be blocked by high-strength grout 6 because of construction problem.High-strength grout 6 is injected
In high-strength circular cross-section steel pipe column 1, the lower edge of the final upper surface and grout material hole 2 for injecting grouting material is highly consistent.Wait for height
After strength grouting material solidification, whole clay or other plugging materials 15 are taken out.
As shown in 6- Fig. 8, after completing above-mentioned steps, in the end face point of the close grouting port 2 of high-strength circular cross-section steel pipe column 1
Weld-ring shape connecting partition 5, the overall diameter of annular connecting partition 5 is identical as the interior diameter of high-strength circular cross-section steel pipe column 1, middle ring
5 through-thickness of shape connecting partition, the half of annular connecting partition 5 is in high-strength circular cross-section steel pipe column 1, annular connecting partition
The other half of 5 exposes high-strength circular cross-section steel pipe column 1, and the part of exposing, can when connecting another high-strength circular cross-section steel pipe column 1
Stretch into another high-strength circular cross-section steel pipe column 1.
As shown in figure 11, the high-strength circular cross-section steel pipe column 1 for pouring into high-strength grout 6 is fixed first, then at it
Surrounding arranges high-strength longitudinal reinforcement 8 (Fig. 9), and the radical of high-strength longitudinal reinforcement 8 is calculated according to structural reinforcement to be determined, then will be common
Circular cross-section stirrup 9 (Figure 10) is by design spacing binding on high-strength longitudinal reinforcement 8.Wherein, by typical circular section stirrup 9
(Figure 10) by design spacing binding on high-strength longitudinal reinforcement 8, which can also be prefabricated in the factory completion.
Shown in as shown in Figure 12,13, by typical circular section stirrup 9 by design spacing binding on high-strength longitudinal reinforcement 8
Afterwards, concrete mold 10 is set in 9 outside of typical circular section stirrup, concrete mold 10 is two-piece unit docking structure.
As shown in Figure 13,14, high-strength concrete 11 is poured in concrete mold 10, the high-strength concrete 11 poured it is upper
Surface is identical as the upper level of high-strength grout 6 in high-strength circular cross-section steel pipe column 1.
As shown in figure 15, the high-strength circular cross-section steel pipe column 1 of high-strength grout 6 is perfused close to the end of gas vent 3 in top
Portion, the high-strength circular cross-section steel pipe column 1 that high-strength grout 6 is perfused with lower part dock.When docking, lower annular connecting partition 5 is stretched
Enter in the high-strength circular cross-section steel pipe column in top 1, the then welding at butting grooves 7, then passes through the high-strength circular cross-section steel pipe in lower part
High-strength grout 6 is perfused in the injected hole 2 of column 1, until gas vent 3 of the high-strength grout 6 from the high-strength circular cross-section steel pipe column in top 1
The connection of the high-strength circular cross-section steel pipe column 1 after perfusion high-strength grout 6 is completed in outflow.In addition, the high-strength coagulation positioned at lower part
High-strength longitudinal reinforcement branch sleeve 12 is set in soil 11, and superposed high-strength longitudinal reinforcement 8 connects with the high-strength longitudinal reinforcement
Female connector cylinder 12 is corresponding, is determined superposed high-strength longitudinal reinforcement 8 by the high-strength longitudinal reinforcement branch sleeve 12
Position.
It repeats the above process, the construction of half assembled super-high strength steel pipe slip casting superposed column of circular cross-section can be completed.
As shown in figure 16, half assembled super-high strength steel pipe slip casting of other section forms I overlaps rod structure, and structure is main
Including：High-strength grout 6, high-strength longitudinal reinforcement 8, high-strength concrete 11, ordinary rectangular section stirrup 13, high-strength rectangular section steel
Tubing string 14, half assembled super-high strength steel pipe slip casting superposed column of the specific production method with circular cross-section：
First, the high-strength steel pipe column with rectangle section 14 for pouring into high-strength grout 6 is fixed, is then arranged in its surrounding high
Strong longitudinal reinforcement 8；Ordinary rectangular section stirrup 13 is bound by design spacing after on high-strength longitudinal reinforcement 8 again, in common square
Concrete mold 10 is arranged in 13 outside of tee section stirrup, high-strength concrete 11 is poured in concrete mold 10, what is poured is high-strength
The upper surface of concrete 11 is identical as the upper level of high-strength grout 6 in high-strength steel pipe column with rectangle section 14.
As shown in figure 17, half assembled super-high strength steel pipe slip casting of other forms II overlaps rod structure, and structure is mainly wrapped
It includes：High-strength circular cross-section steel pipe column 1, high-strength grout 6, high-strength longitudinal reinforcement 8, high-strength concrete 11, ordinary rectangular section hoop
Muscle 13 etc., half assembled super-high strength steel pipe slip casting superposed column of the specific production method with circular cross-section.
First, the high-strength circular cross-section steel pipe column 1 for pouring into high-strength grout 6 is fixed, is then arranged in its surrounding high
Strong longitudinal reinforcement 8；Ordinary rectangular section stirrup 13 is bound by design spacing after on high-strength longitudinal reinforcement 8 again, in common square
Concrete mold 10 is arranged in 13 outside of tee section stirrup, high-strength concrete 11 is poured in concrete mold 10, what is poured is high-strength
The upper surface of concrete 11 is identical as the upper level of high-strength grout 6 in high-strength circular cross-section steel pipe column 1.
In the present invention, high-strength circular cross-section steel pipe column is Q420-Q690, yield strength 420MPa-690MPa；High-strength filling
Material is CGMJM- VI, compression strength 100MPa-120MPa；High-strength longitudinal reinforcement be Ⅳ-grade steel muscle, yield strength >=
540MPa；High-strength concrete marked as C60-C80, compression strength >=72MPa；High-strength steel pipe column with rectangle section is Q420-
Q690, yield strength 420MPa-690MPa.
In addition, the performance indicator range of half assembled super-high strength steel pipe slip casting of present invention overlapping rod structure is as follows：
High-strength circular cross-section steel pipe column outer diameter dimension needs to meet：The circle calculated by high-strength circular cross-section steel pipe column overall diameter
Shape area>35% half assembled super-high strength steel pipe slip casting superposed column cross-sectional area；
The outer size dimension of high-strength steel pipe column with rectangle section needs to meet：The square calculated by high-strength steel pipe column with rectangle section outer edge
Shape area>35% half assembled super-high strength steel pipe slip casting superposed column cross-sectional area；
Half assembled super-high strength steel pipe slip casting superposed column edge yield strength：≥540MPa；
Half assembled super-high strength steel pipe slip casting overlaps high-strength material filling portion compression strength in the middle part of column section：150MPa-
180MPa (partial intensities because high strength steel pipe and high-strength concrete constraint, the compression strength than independent high-strength material filling is high)；
Half assembled super-high strength steel pipe slip casting superposed column high-strength concrete portion compression strength：≥72MPa；
Half assembled super-high strength steel pipe slip casting superposed column entire compression intensity：120MPa-160MPa.
Claims (7)
1. a kind of half assembled super-high strength steel pipe slip casting overlaps rod structure, which is characterized in that the structure includes：High-strength steel tubing string,
Injected hole, gas vent, blow vent, connecting partition, high-strength grout, groove, high-strength longitudinal reinforcement, stirrup, high-strength concrete, height
Strong longitudinal reinforcement branch sleeve, concrete structure are as follows：
Groove is made in the top and bottom of high-strength steel tubing string, and injected hole is arranged in the upper side of high-strength steel tubing string, and lower side is set
Set gas vent；High-strength grout is filled in high-strength steel tubing string；Gas vent is sealed close to one end of high-strength grout, in gas vent
Blow vent is arranged in side, mouth down of ventilating；
In the end face of the close injected hole of high-strength steel tubing string, connecting partition, overall diameter and the high-strength steel tubing string of connecting partition are set
Interior diameter is identical, wherein annular connecting partition through-thickness, the half of annular connecting partition is in high-strength steel tubing string, and annular is even
The other half exposing high-strength steel tubing string of partition board is connect, another high-strength steel is stretched into the part of exposing when connecting another high-strength steel tubing string
Tubing string；
Surrounding arranges that high-strength longitudinal reinforcement, stirrup are bound on high-strength longitudinal reinforcement on the outside of high-strength steel tubing string.
2. half assembled super-high strength steel pipe slip casting described in accordance with the claim 1 overlaps rod structure, which is characterized in that in a height
When strong steel pipe column is connect with another high-strength steel tubing string, it is located at the high-strength steel tubing string of top perfusion high-strength grout close to gas vent
End, with positioned at lower part be perfused high-strength grout high-strength steel tubing string dock.
3. half assembled super-high strength steel pipe slip casting overlaps rod structure according to claim 2, which is characterized in that two high-strength
When steel pipe column connects, welded using butting grooves.
4. half assembled super-high strength steel pipe slip casting described in accordance with the claim 1 overlaps rod structure, which is characterized in that half assembled
The cross section that super-high strength steel pipe slip casting overlaps rod structure is round or rectangle, and the cross section of high-strength steel tubing string is round or rectangle,
The cross section of stirrup is round or rectangle, and connecting partition cross section is annular or rectangle.
5. the specific making side of the half assembled super-high strength steel pipe slip casting overlapping rod structure described in a kind of one of Claims 1-4
Method, which is characterized in that include the following steps：
(1) one end that high-strength steel tubing string is had to gas vent is blocked using clay or other plugging materials, clay or other closure materials
Two end faces of material, one end is concordant with the end face of high-strength steel tubing string, and the other end is concordant with the lower edge of gas vent, using clay or
Other plugging materials block gas vent；High-strength grout is injected in high-strength steel tubing string, the final upper surface for injecting grouting material with
The lower edge in grout material hole is highly consistent；After high-strength grout solidification, clay or other plugging materials are taken out；
(2) after completing above-mentioned steps, in the end face spot welding annular connecting partition of the close grouting port of high-strength steel tubing string, annular connection
The overall diameter of partition board is identical as the interior diameter of high-strength steel tubing string, wherein annular connecting partition through-thickness, annular connecting partition
Half in high-strength steel tubing string, the other half of annular connecting partition exposes high-strength steel tubing string, the part of exposing connect it is another
When high-strength steel tubing string, another high-strength steel tubing string is stretched into；
(3) the high-strength steel tubing string for pouring into high-strength grout is fixed, arranges high-strength longitudinal reinforcement in its surrounding, stirrup is bound
In on high-strength longitudinal reinforcement, concrete mold is set on the outside of stirrup；
(4) high-strength concrete is poured in concrete mold, the upper surface of the high-strength concrete poured and height in high-strength steel tubing string
The upper level of strength grouting material is identical；
(5) top is perfused to the high-strength steel tubing string of high-strength grout close to the end of gas vent, high-strength grout is perfused with lower part
High-strength steel tubing string docking；
It repeats the above process, the construction of half assembled super-high strength steel pipe slip casting superposed column can be completed.
6. the specific production method of half assembled super-high strength steel pipe slip casting overlapping rod structure according to claim 5, special
Sign is, when docking, lower annular connecting partition stretches into the high-strength steel tubing string of top, the welding at butting grooves, then under passing through
High-strength grout is perfused in the injected hole of portion's high-strength steel tubing string, until gas vent stream of the high-strength grout from top high-strength steel tubing string
Go out, completes the connection of the high-strength steel tubing string of perfusion high-strength grout.
7. the specific production method of half assembled super-high strength steel pipe slip casting overlapping rod structure according to claim 5, special
Sign is that concrete mold is two-piece unit docking structure.
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| JPH02217543A (en) * | 1989-02-16 | 1990-08-30 | Shimizu Corp | Constructing method for centrifugal forming steel bar reinforced concrete |
| JPH02217542A (en) * | 1989-02-16 | 1990-08-30 | Shimizu Corp | Constructing method for centrifugal forming steel bar reinforced concrete |
| CN1224101A (en) * | 1998-01-22 | 1999-07-28 | 林立岩 | Structural design and construction method for steel tube and high-strength concrete coincidence column |
| CN102373804A (en) * | 2011-11-15 | 2012-03-14 | 天津大学 | Novel precast concrete pipe column structure and construction method thereof |
| CN204174955U (en) * | 2014-10-13 | 2015-02-25 | 安徽天筑建设（集团）有限公司 | Reinforced concrete post connects steel core concrete column syndeton |
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2016
- 2016-11-07 CN CN201610975944.XA patent/CN106351401B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02217543A (en) * | 1989-02-16 | 1990-08-30 | Shimizu Corp | Constructing method for centrifugal forming steel bar reinforced concrete |
| JPH02217542A (en) * | 1989-02-16 | 1990-08-30 | Shimizu Corp | Constructing method for centrifugal forming steel bar reinforced concrete |
| CN1224101A (en) * | 1998-01-22 | 1999-07-28 | 林立岩 | Structural design and construction method for steel tube and high-strength concrete coincidence column |
| CN102373804A (en) * | 2011-11-15 | 2012-03-14 | 天津大学 | Novel precast concrete pipe column structure and construction method thereof |
| CN204174955U (en) * | 2014-10-13 | 2015-02-25 | 安徽天筑建设（集团）有限公司 | Reinforced concrete post connects steel core concrete column syndeton |
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| CN106351401A (en) | 2017-01-25 |
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Effective date of registration: 20191204 Address after: No. 16, zuofeng town government, Jinxi County, Fuzhou City, Jiangxi Province Patentee after: Jiangxi Yifeng Construction Co. Ltd. Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 Patentee before: Shenyang Building Univ. |