CN106639154A - Centrifugally formed prestressed annular concrete hollow column - Google Patents
Centrifugally formed prestressed annular concrete hollow column Download PDFInfo
- Publication number
- CN106639154A CN106639154A CN201611156593.6A CN201611156593A CN106639154A CN 106639154 A CN106639154 A CN 106639154A CN 201611156593 A CN201611156593 A CN 201611156593A CN 106639154 A CN106639154 A CN 106639154A
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- China
- Prior art keywords
- concrete hollow
- hollow column
- bar
- column
- prestressed
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a concrete hollow column, and in particular to a centrifugally formed prestressed annular concrete hollow column, which comprises a centrifugally formed concrete hollow column, prestressed reinforcements which are tensioned by adopting a pre-tensioning method are arranged in the concrete hollow column, the prestressed reinforcements are arranged along the length direction of the concrete hollow column, the prestressed reinforcements are evenly distributed along the circumference of the concrete hollow column, non-prestressed reinforcements are further arranged along the length direction of the concrete hollow column, the prestressed reinforcements and the non-prestressed reinforcements are located on the same circumference and alternately arranged, the non-prestressed reinforcements are connected to end plates arranged at both ends of the concrete hollow column, a helical reinforcement is arranged along the circumference of the prestressed reinforcements, the helical reinforcement is connected to the prestressed reinforcements, and the ends of the concrete hollow column are provided with hoops. The prestressed hollow column can be directly industrially produced in a factory, and compared with ordinary concrete columns and steel columns, the centrifugally formed prestressed annular concrete hollow column has the advantages of high rigidity, convenience in construction, etc., can be extensively popularized, and can save not less than 50 percent of cost to the maximum.
Description
Technical field
The present invention relates to a kind of concrete hollow column, specially a kind of centrifugal forming prestressing force annular concrete hollow column.
Background technology
For longspan structure and bear the concrete hollow column of larger moment of flexure（Such as substation framework）, it supports concrete
When open tubular column is designed using common steel construction or xoncrete structure, in order to meet the requirement of Stability Analysis of Structures secure context,
Especially in the case where loading ratio is larger, it has to the size of enlarging section, also need arrangement to support as needed, cause material
Use in a large number, it is also possible to have a strong impact on the construction period.
The content of the invention
The technical problem to be solved in the present invention is：For large-span structure in engineering or the supporting member of big moment of flexure is born, be
Meet the requirement of Stability Analysis of Structures secure context, traditional design method is enlarging section size, there is provision of support, causes material
Use in a large number, it is also possible to the duration is had a strong impact on, to solve the above problems, there is provided a kind of centrifugal forming prestressing force annular concrete
Open tubular column.
The purpose of the present invention is realized in the following manner：
Centrifugal forming prestressing force annular concrete hollow column, including centrifugal forming concrete hollow column, in concrete hollow column
The deformed bar of pre-tensioning system tensioning is provided with, deformed bar is arranged along the length direction of concrete hollow column, in advance should
Power reinforcing bar is distributed on the circumference of concrete hollow column, and the length direction along concrete hollow column is additionally provided with nonprestressed reinforcement,
Deformed bar and nonprestressed reinforcement are located on same circumference and are alternately arranged, nonprestressed reinforcement be arranged on concrete
The end plate connection at open tubular column two ends, in the spiral bar that is circumferentially provided with of deformed bar, spiral bar is connected with deformed bar,
The end of concrete hollow column is provided with cuff.
Pitch of the spiral bar at concrete hollow column two ends is 45mm, and pitch between the ends is 80mm.
Nonprestressed reinforcement adopts straight screw connection with end plate.
Spiral bar is connected with deformed bar using spot welding.
Relative to prior art, the present invention has advantages below：
1. deformed bar applies prestressing force, Ci Zhongmao with concrete hollow column by way of setting end plate is adopted and first opens upsetting anchor
Gu mode is reliable and stable, loss of prestress is little, ensure the intensity and rigidity of applying prestressing force rearward end；
2. concrete hollow column end arranges destruction of the steel hoop to strengthen the strength and stiffness of end so as to prevent end；
3. concrete centrifugal molding construction scheme have the advantages that efficiency high, steady quality, economize on resources, short construction period, just
In industrialized production；Material adopts high-strength concrete and high tensile reinforcement, and deformed bar and nonprestressed reinforcement are circumferentially uniform
It is alternately arranged, using first opening by the way of upsetting anchor, end adopts steel pipe cuff to strengthen the strength and stiffness of styletable for termination.
Pre-stress hollow post can factory industry metaplasia produce directly make then transport to job site, this it is new from
Heart shaping prestressing force annular concrete hollow column compares common concrete column and steel column, big with rigidity, saves cost, construction party
Just the advantages of, can popularize in an all-round way, can at most save more than 50% cost.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is 1-1 sectional drawings in Fig. 1.
Fig. 3 is 2-2 sectional drawings in Fig. 1.
Fig. 4 is 3-3 sectional drawings in Fig. 1.
Wherein, 1 is concrete hollow column；2 is deformed bar；3 is nonprestressed reinforcement；4 is cuff；5 is end plate；6
It is spiral bar I；7 is spiral bar II；8 is cage bar anchor hole.
Specific embodiment
As Figure 1-Figure 4, centrifugal forming prestressing force annular concrete hollow column, including concrete hollow column 1, in coagulation
The deformed bar 2 of pre-tensioning system tensioning, length of the deformed bar 2 along concrete hollow column 1 are provided with native open tubular column 1
Direction is arranged, and deformed bar 2 is distributed on the circumference of concrete hollow column 1, and the length direction along concrete hollow column 1 also sets up
There is nonprestressed reinforcement 3, deformed bar 2 and nonprestressed reinforcement 3 are located on same circumference and are alternately arranged, non-prestressed
Reinforcing bar 3 is connected with the end plate 5 for being arranged on the two ends of concrete hollow column 1, in the spiral bar that is circumferentially provided with of deformed bar 2, spiral shell
Rotation muscle can be connected with deformed bar 2 using spot welding, and the end of concrete hollow column 1 is provided with cuff 4.
Pitch of the spiral bar at the two ends of concrete hollow column 1 is 45mm, and pitch between the ends is 80mm, i.e. spiral bar
Through whole concrete hollow column 1, the spiral bar at the two ends of concrete hollow column 1 is the spiral bar I 6 that pitch is 45mm, remaining
Partial spiral bar is the spiral bar II 7 that pitch is 80mm.
Nonprestressed reinforcement 3 adopts straight screw connection with end plate 5.Nonprestressed reinforcement 3 is HRB400 reinforcing bars.
When circular column carries out industrialized production, first according to the root for calculating determination deformed bar 2 and nonprestressed reinforcement 3
Number, diameter, length, then using pre-tensioning system while casting concrete open tubular column 1, pre-buried deformed bar 2 simultaneously completes to open
Draw, using first opening by the way of upsetting anchor, as shown in Fig. 4 section 3-3, nonprestressed reinforcement 3 is with end plate 5 using straight for cage bar anchor hole for tensioning
The mode of threaded connection.Nonprestressed reinforcement 3 and deformed bar 2 by the way of being circumferentially alternately arranged, such as Fig. 3 sections 2-
Shown in 2.Deformed bar 2 is cage bar, and spiral bar adopts the mode of spot welding with the globality of stiffener skeleton, end plate with cage bar
Cage bar anchor hole 8 is left on 5.The end of concrete hollow column 1 arranges cuff 4 to strengthen the intensity and just of the end of concrete hollow column 1
Degree, cuff 4 is steel hoop.With deformed bar 2, nonprestressed reinforcement 3, the end plate 5 of cuff 4 and 5 after the final set of concrete hollow column 1
It is integrally formed, the load that top is transmitted is born jointly.
The present invention has advantages below：
1. deformed bar 2 applies prestressing force with concrete hollow column 1 by way of setting end plate 5 is adopted and first opens upsetting anchor, this
Plant anchorage style is reliable and stable, loss of prestress is little, ensure applying prestressing force rearward end intensity and rigidity；
2. the end of concrete hollow column 1 arranges destruction of the steel hoop to strengthen the strength and stiffness of end so as to prevent end；
3. concrete centrifugal molding construction scheme have the advantages that efficiency high, steady quality, economize on resources, short construction period, just
In industrialized production；
4. spiral bar and cage bar by the way of spot welding so as to the globality of stiffener skeleton；
Compared with conventional method, this novel centrifugal shaping prestressing force annular concrete hollow column replaces traditional heavy in section concrete
Post and steel column, can fast industrialization production as needed, easy construction can be greatly saved cost, at most can save 50% with
On cost.
Above-described is only the preferred embodiment of the present invention, it is noted that for a person skilled in the art,
Under the premise of without departing from general idea of the present invention, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (4)
1. centrifugal forming prestressing force annular concrete hollow column, it is characterised in that：Including centrifugal forming concrete hollow column, mixed
The deformed bar of pre-tensioning system tensioning is provided with solidifying soil open tubular column, deformed bar is along the length side of concrete hollow column
To setting, deformed bar is distributed on the circumference of concrete hollow column, is additionally provided with along the length direction of concrete hollow column non-
Deformed bar, deformed bar and nonprestressed reinforcement be located at same circumference on and be alternately arranged, nonprestressed reinforcement with
The end plate connection at concrete hollow column two ends is arranged on, in the spiral bar that is circumferentially provided with of deformed bar, spiral bar is answered with advance
Power bar connecting, in the end of concrete hollow column cuff is provided with.
2. centrifugal forming pre-stressed concrete hollow post according to claim 1, it is characterised in that：Spiral bar is in concrete
The pitch at open tubular column two ends is 45mm, and pitch between the ends is 80mm.
3. centrifugal forming pre-stressed concrete hollow post according to claim 1, it is characterised in that：Nonprestressed reinforcement with
End plate adopts straight screw connection.
4. centrifugal forming pre-stressed concrete hollow post according to claim 1, it is characterised in that：Spiral bar and prestressing force
Reinforcing bar is connected using spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156593.6A CN106639154A (en) | 2016-12-15 | 2016-12-15 | Centrifugally formed prestressed annular concrete hollow column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156593.6A CN106639154A (en) | 2016-12-15 | 2016-12-15 | Centrifugally formed prestressed annular concrete hollow column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639154A true CN106639154A (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611156593.6A Pending CN106639154A (en) | 2016-12-15 | 2016-12-15 | Centrifugally formed prestressed annular concrete hollow column |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570969A (en) * | 2009-06-04 | 2009-11-04 | 河南建华管桩有限公司 | Horizontal force supporting pile and production process thereof |
| CN101718153A (en) * | 2009-08-18 | 2010-06-02 | 四川省富侨工业有限公司 | Partially prestressed concrete electric pole and preparation method thereof |
| CN201512788U (en) * | 2009-09-28 | 2010-06-23 | 河南建华管桩有限公司 | Horizontal load-bearing enhancement pre-stressed concrete pipe pile |
| US7827642B2 (en) * | 2004-09-25 | 2010-11-09 | Han Man-Yop | Hollow prestressed concrete (HPC) girder and spliced hollow prestressed concrete girder (s-HPC) bridge construction method |
| CN202039353U (en) * | 2011-05-06 | 2011-11-16 | 上海中技桩业股份有限公司 | Prestressing hollow concrete foundation square pile |
| CN205259454U (en) * | 2015-12-18 | 2016-05-25 | 河南省电力勘测设计院 | Defeated coal belt landing stage of thermal power plant supports with hollow post of prestressing force centrifugal forming concrete |
-
2016
- 2016-12-15 CN CN201611156593.6A patent/CN106639154A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7827642B2 (en) * | 2004-09-25 | 2010-11-09 | Han Man-Yop | Hollow prestressed concrete (HPC) girder and spliced hollow prestressed concrete girder (s-HPC) bridge construction method |
| CN101570969A (en) * | 2009-06-04 | 2009-11-04 | 河南建华管桩有限公司 | Horizontal force supporting pile and production process thereof |
| CN101718153A (en) * | 2009-08-18 | 2010-06-02 | 四川省富侨工业有限公司 | Partially prestressed concrete electric pole and preparation method thereof |
| CN201512788U (en) * | 2009-09-28 | 2010-06-23 | 河南建华管桩有限公司 | Horizontal load-bearing enhancement pre-stressed concrete pipe pile |
| CN202039353U (en) * | 2011-05-06 | 2011-11-16 | 上海中技桩业股份有限公司 | Prestressing hollow concrete foundation square pile |
| CN205259454U (en) * | 2015-12-18 | 2016-05-25 | 河南省电力勘测设计院 | Defeated coal belt landing stage of thermal power plant supports with hollow post of prestressing force centrifugal forming concrete |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 450007 Zhengzhou Zhongyuan Road, Henan, No. 212 Applicant after: China Electric Power Construction Group Henan electric survey and Design Institute Co., Ltd. Address before: 450007 Zhengzhou Zhongyuan Road, Henan, No. 212 Applicant before: Hennan Electric Power Survey & Design Institute |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170510 |