CN108930361A - Prefabricated superposed column, assembled architecture body and assembled architecture body method of construction - Google Patents
Prefabricated superposed column, assembled architecture body and assembled architecture body method of construction Download PDFInfo
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- CN108930361A CN108930361A CN201811044759.4A CN201811044759A CN108930361A CN 108930361 A CN108930361 A CN 108930361A CN 201811044759 A CN201811044759 A CN 201811044759A CN 108930361 A CN108930361 A CN 108930361A
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- shell
- muscle
- superposed column
- prefabricated superposed
- construction
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Classifications
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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
-
- 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
-
- 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
Abstract
The present invention relates to precast concrete technical field, in particular to a kind of prefabricated superposed column, assembled architecture body and assembled architecture body method of construction.The prefabricated superposed column includes shell, vertical muscle and multiple stirrup components；Cavity is formed in the shell, the extending direction of the vertical muscle is consistent with the extending direction of the shell, and the vertical muscle is arranged between the inner wall of the shell and the outer wall of the shell；Multiple stirrup components are along the setting of the extending direction interval of the vertical muscle and are fixedly connected with the vertical muscle.Construction efficiency is improved, consumptive material is saved, reduces fugitive dust and building waste；Cast in situs construction concrete keeps prefabricated superposed column and plate connection perforation integral, and structure tension performance is suitable with common cast-in-place concrete structure, and intensity is high, and overall performance is good, has the stronger market competitiveness.
Description
Technical field
The present invention relates to precast concrete technical field, in particular to a kind of prefabricated superposed column, assembled architecture body and
Assembled architecture body method of construction.
Background technique
Reinforced column one kind is full cast-in-situ reinforced concrete column, and traditional construction mode is live assembling reinforcement, installs
Template, casting concrete, construction site need a large amount of steel flxer people and carpenter etc., labour skill are required it is high, need using
A large amount of templates, the integral construction period is long, and construction efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of prefabricated superposed column, assembled architecture body and assembled architecture body construction sides
Method, to solve the low technical problem of reinforced column construction efficiency in the prior art.
The present invention provides a kind of prefabricated superposed column, including shell, vertical muscle and multiple stirrup components；It is formed in the shell
There is cavity, the extending direction of the vertical muscle is consistent with the extending direction of the shell, and the shell is arranged in the vertical muscle
Between inner wall and the outer wall of the shell；Multiple stirrup components are along the setting of the extending direction interval of the vertical muscle and and institute
Vertical muscle is stated to be fixedly connected.
Further, the shell forms for concreting.
Further, the vertical muscle and the stirrup components welding.
Further, the stirrup component includes multiple edge reinforcements, multiple first muscle and multiple second muscle；Multiple institutes
It states edge reinforcement head and the tail and is in turn connected to form reinforced steel bar ring, multiple first muscle and multiple interlaced setting shapes of second muscle
At network, the network is located in the reinforced steel bar ring；The reinforced steel bar ring connect with the vertical muscle and is located on the shell
Between the inner wall of body and the inner wall of the shell.
Further, the edge reinforcement and the edge reinforcement, the edge reinforcement and first muscle, the edge
Welding is all made of between reinforcing bar and second muscle and the first muscle and second muscle.
The present invention provides a kind of assembled architecture body, including the prefabricated superposed column provided by the invention, described prefabricated folded
Construction concrete has been poured in cavity in zygostyle.
The present invention provides a kind of assembled architecture body method of construction characterized by comprising
In factory, vertical muscle is connect to form steel reinforcement cage with stirrup component；
In factory, in the side of steel reinforcement cage, setting has the shell of setting thickness, has the prefabricated folded of cavity to be formed
Zygostyle；
Prefabricated superposed column is transported to after construction site is lifted, installed into the cavity of prefabricated superposed column to pouring construction mixes
Solidifying soil.
Further, according to the setting thickness of shell, pouring molding one by one is carried out to the side plate of shell；
Alternatively, exterior sheathing is arranged in the outside of steel reinforcement cage, using centrifugal process, casting concrete forms tool on the inside of steel reinforcement cage
There is the shell of setting thickness.
Further, the steel reinforcement cage is welding fabrication.
Further, in factory, in the side of steel reinforcement cage, setting has the shell of setting thickness, has cavity to be formed
Prefabricated superposed column, further include,
The inner wall of the shell is arranged to rough surface.
Further, in factory, in the side of steel reinforcement cage, setting has the shell of setting thickness, has cavity to be formed
Prefabricated superposed column, further include,
In the outer wall of the shell, decorative layer is set.
Relative to the relevant technologies, prefabricated superposed column provided by the invention easily guarantees superposed column surface by being prefabricated in the factory
Flatness, verticality, construction quality is good, can ensure that later period cast in situs construction concrete forms the intensity and quality of column；In advance
There is cavity in superposed column processed, then the light convenient transportation of the overall weight of prefabricated superposed column.
When being built using prefabricated superposed column provided by the invention, will be transported in the good prefabricated superposed column of plant produced
Construction site is lifted as requested, is installed, and is attached with other components such as beam, floor etc., then to prefabricated superposed column
Cavity, prefabricated superposed column and other components junction and need to carry out in other components of cast in situs construction concrete
Cast in situs construction concrete (when being interconnected between each component, can uniformly pour after each component is interconnected and fixed
Construction concrete).
In the process, the shell of prefabricated superposed column acts as the formwork for placing of column, without largely being propped up column
Mould binds without a large amount of reinforcing bars, and then greatlys save labour, improves construction efficiency, saves consumptive material, reduces fugitive dust and building rubbish
Rubbish；It is integral that cast in situs construction concrete makes prefabricated superposed column and plate connect perforation, structure tension performance with it is commonly cast-in-place
Concrete structure is suitable, and intensity is high, and overall performance is good, has the stronger market competitiveness.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of prefabricated superposed column according to an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of prefabricated superposed column according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of steel reinforcement cage in prefabricated superposed column shown in FIG. 1；
Fig. 4 is the structural schematic diagram of the reinforced mesh in prefabricated superposed column shown in Fig. 3 in steel reinforcement cage；
Fig. 5 is the structural schematic diagram of reinforced column according to an embodiment of the present invention.
In figure: 10- shell；20- steel reinforcement cage；30- cavity；21- indulges muscle；22- stirrup component；The edge 221- steel
Muscle；The first muscle of 222-；The second muscle of 223-；The prefabricated superposed column of 100-；200- construction concrete.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram of prefabricated superposed column according to an embodiment of the present invention；Fig. 2 is according to an embodiment of the present invention
Another structural schematic diagram of prefabricated superposed column；Fig. 3 is the structural schematic diagram of steel reinforcement cage in prefabricated superposed column shown in FIG. 1；Fig. 4 is
The structural schematic diagram of reinforced mesh in prefabricated superposed column shown in Fig. 3 in steel reinforcement cage.
As shown in Figures 1 to 4, the present invention provides a kind of prefabricated superposed column, including shell 10, vertical muscle 21 and multiple hoops
Muscle；Cavity 30 is formed in shell 10, the extending direction for indulging muscle 21 is consistent with the extending direction of shell 10, and vertical muscle 21 is arranged in shell
Between the inner wall of body 10 and the outer wall of shell 10；Multiple stirrup components along the extending direction interval setting for indulging muscle 21 and with vertical muscle
21 are fixedly connected.
In the present embodiment, by being prefabricated in the factory, easily guarantee superposed column surface smoothness, verticality, construction quality is good, energy
Enough ensure that later period cast in situs construction concrete forms the intensity and quality of column；There is cavity 30 in prefabricated superposed column, does not pour
Concrete, then the overall weight of prefabricated superposed column is light, and e.g., setting cavity 30 makes the integral prefabricated overlapping of the weight of prefabricated superposed column
1/3 or so of column, convenient transportation, for another example cavity volume is greater than the half etc. of prefabricated superposed column overall volume.
When being built using prefabricated superposed column provided in this embodiment, will be transported in the good prefabricated superposed column of plant produced
It to construction site, lifted, installed as requested, be attached with other components such as beam, floor etc., then to prefabricated overlapping
The cavity 30 of column, prefabricated superposed column and other components junction and need in other components of cast in situs construction concrete
Carry out cast in situs construction concrete (when being interconnected between each component, can unify after each component is interconnected and fixed
Pouring construction concrete).
In the process, the shell 10 of prefabricated superposed column acts as the formwork for placing of column, a large amount of without carrying out to column
Formwork binds without a large amount of reinforcing bars, and then greatlys save labour, improves construction efficiency, saves consumptive material, reduces fugitive dust and building
Rubbish；It is integral that cast in situs construction concrete makes prefabricated superposed column and plate connect perforation, structure tension performance and common existing
Pouring concrete structure is suitable, and intensity is high, and overall performance is good, has the stronger market competitiveness.
Wherein, there are many connection types of prefabricated superposed column and other components, such as in prefabricated superposed column and other components
Between by connection steel reinforcement cage or connection reinforcing bar.
Preferably, the vertical muscle 21 in prefabricated superposed column stretches out the both ends of shell 10, by the vertical muscle 21 of extension and other
Component is attached, and avoids that individual connection structure is arranged again, simplifies process, improves construction efficiency.
The connection type of vertical muscle 21 and other components can be to be a variety of, such as: being connected by mechanical sleeves, tied up by iron wire
Determine, weld or pour.
Vertical muscle 21 connect to form steel reinforcement cage 20 with multiple stirrup components 22.The quantity and set-up mode of vertical muscle 21 can be with
It is arranged according to specific building situation.Such as vertical muscle 21 is 12,12 vertical muscle 21 surround positive direction etc..The number of stirrup component 22
Amount can also be arranged according to specific building situation, can ensure the space accurate location of vertical muscle 21, ensure prefabricated superposed column
Globality, and ensure enough shearing strengths and torsional strength.
Shell 10 is formed using concreting in factory, it is pre-buried in the housing 10 to indulge muscle 21.In the present embodiment, pass through
Concrete prefabricated 10 intensity of shell is high, can not only play template action during forming column, additionally it is possible to pour with the later period
The construction concrete built forms one, common stress.Vertical muscle 21 is embedded in concrete shell 10, and bonding strength is high, avoids indulging
Muscle 21 deforms in prefabricated superposed column transportational process, is at random, to ensure later period pouring quality.
As shown in figure 3, further, indulging muscle 21 on above-described embodiment basis and being welded with stirrup component 22.
In the present embodiment, connect vertical muscle 21 to form steel reinforcement cage 20 with stirrup component 22 using welding, steel reinforcement cage 20 it is strong
Degree is high, high-quality, high-efficient, industrialization degree is high.
As shown in Figure 3 and Figure 4, on above-described embodiment basis, further, stirrup component 22 includes multiple edge steel
Muscle 221, multiple first muscle 222 and the second muscle 223；Multiple 221 head and the tail of edge reinforcement are in turn connected to form reinforced steel bar ring, Duo Ge
One muscle 222 forms network with the interlaced setting of multiple second muscle 223, and network is located in reinforced steel bar ring；Reinforced steel bar ring with
The vertical connection of muscle 21 is located between the inner wall of shell 10 and the inner wall of shell 10；Edge reinforcement 221 and edge reinforcement 221, edge
Weldering is all made of between reinforcing bar 221 and the first muscle 222, edge reinforcement 221 and the second muscle 223 and the first muscle 222 and the second muscle 223
It connects.
In the present embodiment, the stirrup component 22 that reinforced steel bar ring and the first muscle 222 and the second muscle 223 are formed is reinforced mesh,
Reinforced mesh automatic and mechanical can produce in the factory, so as to save labour, improve prefabricated superposed column production effect
Rate.
Wherein, the both ends of the first muscle 222 can be more than reinforced steel bar ring, can also be no more than reinforced steel bar ring, the both ends of the second muscle 223
It can be more than reinforced steel bar ring, reinforced steel bar ring can also be no more than.
The form for the reticular structure that first muscle 222 and the second muscle 223 are formed can be a variety of, such as: triangle, diamond shape or
Person's irregular quadrilateral etc. preferably forms positive direction, compound with regular structure, uniform force.
On above-described embodiment basis, further, the first protrusion is provided on vertical muscle 21.
Wherein, the first protrusion can be plate, rod-shaped or column etc.；When first protrusion it is in the shape of a rod when, can for straight-bar,
Multiple hangnails or kick etc. can also be arranged in first protrusion in curved bar, and the angled setting of the first muscle 222.
Multiple first protrusions can be respectively provided with, in the axial direction for indulging muscle 21 and circumferentially so as to improve vertical muscle 21 and shell
10 anchor force keeps the connection of the two stronger.
On above-described embodiment basis, further, the second protrusion is provided on stirrup component 22.
Wherein, the second protrusion can be plate, rod-shaped or column etc.；When second protrusion it is in the shape of a rod when, can for straight-bar,
Multiple hangnails or kick etc. can also be arranged in second protrusion in curved bar, and the angled setting of the second muscle 223.
Multiple second protrusions can be set with the circumferential direction of the reinforced steel bar ring in stirrup component 22, so as to improve vertical muscle 21 and steel
The anchor force of muscle ring keeps the connection of the two stronger.
Fig. 5 is the structural schematic diagram of reinforced column according to an embodiment of the present invention, as shown in figure 5, the present invention provides
A kind of reinforced column, including prefabricated superposed column 100 provided by the invention；Construction concrete 200 has been poured in shell 10.
In the present embodiment, after prefabricated superposed column 100 is transported to construction site, it is connect with other components, then cast in situs
Construction concrete 200, the reinforced column stress performance is suitable with common cast-in-place concrete structure, and intensity is high.
The present invention provides a kind of assembled architecture body, including prefabricated superposed column 100 provided by the invention, prefabricated superposed column
Construction concrete 200 has been poured in cavity 30 in 100.
In the present embodiment, after prefabricated superposed column 100 is transported to construction site, it is connect with other components, then cast in situs
Construction concrete 200, the assembled architecture body stress performance is suitable with common cast-in-place concrete structure, and intensity is high, overall performance
It is good.
The present invention provides a kind of assembled architecture body method of construction, comprising:
In factory, vertical muscle is connect to form steel reinforcement cage with stirrup component；
In factory, in the side of steel reinforcement cage, setting has the shell of setting thickness, has the prefabricated folded of cavity to be formed
Zygostyle；
Prefabricated superposed column is transported to after construction site is lifted, installed into the cavity of prefabricated superposed column to pouring construction mixes
Solidifying soil.
It is prefabricated to superposed column progress in present factory in the present embodiment, so that prefabricated superposed column is can be realized batch production, so
Construction site will be transported to again afterwards, lifted, installed as requested, as needed even with other components such as beam or floor etc.
It connects, then into prefabricated superposed column, poured concrete forms reinforced column again, or column and other components are uniformly poured,
Form an entirety.
Assembled architecture body method of construction provided in this embodiment, without carrying out a large amount of formworks and big to column at the construction field (site)
Assembling reinforcement is measured, manpower and material resources can be greatlyd save, improves construction efficiency；And the structure after live silicagel column construction concrete
Stress performance is suitable with common cast-in-place concrete structure, and intensity is high, and overall performance is good.Assembled architecture i.e. provided in this embodiment
Body method of construction can greatly improve construction efficiency while ensureing enough intensity, have the stronger market competitiveness.
Wherein, the shell 10 for setting thickness can be configured as the case may be, such as by the vertical muscle in steel reinforcement cage 20
21 wrap or the weight of shell 10 and steel reinforcement cage 20 is that the cast in situs reinforced column after concrete of constructing is whole
The one third etc. of body weight.
In factory, in the side of steel reinforcement cage 20, setting has the shell 10 of setting thickness, has cavity 30 to be formed
There are many modes of prefabricated superposed column, such as: according to the setting thickness of shell, pouring molding one by one is carried out to the side plate of shell,
For example, the number of edges of shell is quadrangle, a side plate of setting thickness first can be poured in die station fan, after side plate molding,
Another side plate and so on is poured again until four side plates are poured completion.
For another example: according to the setting thickness of shell 10, in the side of steel reinforcement cage 20, the vertical muscle 21 of steel reinforcement cage 20 is wrapped up in setting
Mold, into mold, casting concrete is to form shell 10.
Wherein, mold may include that the exterior sheathing in 20 outside of steel reinforcement cage is arranged in and is arranged in 20 inside of steel reinforcement cage
Template, the interval between exterior sheathing and inner template is suitable with the setting thickness of shell 10, and vertical muscle 21 is located at exterior sheathing and inner template
Between, to casting concrete between exterior sheathing and inner template, mold is removed after concrete hardening, and there is setting thickness to be formed
And shell 10；Or mold may include that the exterior sheathing in 20 outside of steel reinforcement cage is arranged in and is arranged in 20 inside of steel reinforcement cage
Mold core, the interval between exterior sheathing and inner mould core is suitable with the setting thickness of shell 10, and vertical muscle 21 is located at exterior sheathing and inner mould core
Between, to casting concrete between exterior sheathing and inner mould core, mold is removed after concrete hardening, and there is setting thickness to be formed
And shell 10.
For another example: exterior sheathing being set in the outside of steel reinforcement cage 20, shell 10 is formed using centrifugal process casting concrete.
In the present embodiment, exterior sheathing is set in the outside of steel reinforcement cage 20, pours to form shell 10, i.e. coagulation by centrifugal process
Soil under the influence of centrifugal force, is distributed on the inner wall of exterior sheathing, ultimately forms the shell 10 of setting thickness.
On above-described embodiment basis, further, the steel reinforcement cage is welding fabrication.
In the present embodiment, using the steel reinforcement cage of welding fabrication, the intensity of steel reinforcement cage is high, high-quality, high-efficient, industrialization journey
Degree is high
On above-described embodiment basis, further, in factory, in the side of steel reinforcement cage, setting has setting thickness
Shell, with formed have cavity prefabricated superposed column, further include,
The inner wall of the shell is arranged to rough surface.
In the present embodiment, the inner wall of shell 10 is arranged to rough surface, then can increase shell 10 and pour at the scene with the later period
Construction concrete anchor force, further increase the intensity of reinforced column.
Wherein, there are many modes that the inner wall of shell 10 is arranged to rough surface, such as by giant to shell 10
Inner wall washed away, or protrusion etc. is set on the inner wall of shell 10.
On above-described embodiment basis, further, in factory, in the side of steel reinforcement cage, setting has setting thickness
Shell, with formed have cavity prefabricated superposed column, further include,
In the outer wall of the shell, decorative layer is set.
It can carry out instead playing construction, paste marble or passing through setting groove in the present embodiment, on the outer wall of shell 10 convex
It rises and waits the decorative layers such as the certain pattern of formation, installed after being transported to construction site, without carrying out decoration setting again to building body, into
One step facilitates construction, improves assembly rate, saves the construction period.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of prefabricated superposed column characterized by comprising shell, vertical muscle and multiple stirrup components；It is formed in the shell
There is cavity, the extending direction of the vertical muscle is consistent with the extending direction of the shell, and the shell is arranged in the vertical muscle
Between inner wall and the outer wall of the shell；Multiple stirrup components are along the setting of the extending direction interval of the vertical muscle and and institute
Vertical muscle is stated to be fixedly connected.
2. prefabricated superposed column according to claim 1, which is characterized in that the shell forms for concreting.
3. prefabricated superposed column according to claim 1, which is characterized in that the vertical muscle and the stirrup components welding.
4. prefabricated superposed column according to any one of claim 1-3, which is characterized in that the stirrup component includes more
A edge reinforcement, multiple first muscle and multiple second muscle；
Multiple edge reinforcement head and the tail are in turn connected to form reinforced steel bar ring, and multiple first muscle and multiple second muscle are mutual
It is staggered to form network, the network is located in the reinforced steel bar ring；
The reinforced steel bar ring and the vertical muscle connection are located between the inner wall of the shell and the inner wall of the shell；The edge
Reinforcing bar and the edge reinforcement, the edge reinforcement and first muscle, the edge reinforcement and second muscle and first
Welding is all made of between muscle and second muscle.
5. a kind of assembled architecture body, which is characterized in that including prefabricated superposed column such as of any of claims 1-4,
Construction concrete has been poured in cavity in the prefabricated superposed column.
6. a kind of assembled architecture body method of construction characterized by comprising
In factory, vertical muscle is connect to form steel reinforcement cage with stirrup component；
In factory, in the side of steel reinforcement cage, setting has the shell of setting thickness, to form the prefabricated superposed column with cavity；
Prefabricated superposed column is transported to after construction site is lifted, installed the pouring construction coagulation into the cavity of prefabricated superposed column
Soil.
7. assembled architecture body method of construction according to claim 6, which is characterized in that in factory, in steel reinforcement cage
Side setting has the shell of setting thickness, to form the prefabricated superposed column with cavity, specifically includes:
According to the setting thickness of shell, pouring molding one by one is carried out to the side plate of shell；
Alternatively, steel reinforcement cage outside be arranged exterior sheathing, using centrifugal process on the inside of steel reinforcement cage casting concrete formed have set
Determine the shell of thickness.
8. assembled architecture body method of construction according to claim 7, which is characterized in that the steel reinforcement cage is to be welded into
Type.
9. assembled architecture body method of construction according to claim 7, which is characterized in that in factory, in steel reinforcement cage
Side setting has the shell of setting thickness, to form the prefabricated superposed column with cavity, further includes,
The inner wall of the shell is arranged to rough surface.
10. according to assembled architecture body method of construction described in claim 6 or 9, which is characterized in that in factory, in steel
The side setting of muscle cage has the shell of setting thickness, to form the prefabricated superposed column with cavity, further includes,
In the outer wall of the shell, decorative layer is set.
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| CN201811044759.4A CN108930361A (en) | 2018-09-07 | 2018-09-07 | Prefabricated superposed column, assembled architecture body and assembled architecture body method of construction |
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| CN201811044759.4A CN108930361A (en) | 2018-09-07 | 2018-09-07 | Prefabricated superposed column, assembled architecture body and assembled architecture body method of construction |
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| CN110805204A (en) * | 2019-11-26 | 2020-02-18 | 华东建筑设计研究院有限公司 | Hollow superposed column and construction method thereof and concrete column |
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Address after: 102200 1st floor, building 6, No.8 Beiqing Road, Huilongguan town, Changping District, Beijing Applicant after: Sany Construction Technology Co.,Ltd. Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Applicant before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |