CN108755929A - A kind of assembled pre-tensioned prestressed concrete frame and its construction technology - Google Patents
A kind of assembled pre-tensioned prestressed concrete frame and its construction technology Download PDFInfo
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- CN108755929A CN108755929A CN201810652121.2A CN201810652121A CN108755929A CN 108755929 A CN108755929 A CN 108755929A CN 201810652121 A CN201810652121 A CN 201810652121A CN 108755929 A CN108755929 A CN 108755929A
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- China
- Prior art keywords
- prefabricated
- reinforced concrete
- tensioned
- concrete
- tensioned prestressed
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Classifications
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- 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
- 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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/22—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material with parts being prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a kind of assembled pre-tensioned prestressed concrete frames comprising prefabricated reinforced concrete column, Prefabricated pre-tensioned prestressed steel reinforced concrete beam, cast-in-place node and floor.Prefabricated pre-tensioned prestressed steel reinforced concrete beam is provided with pre-tensioned prestressing reinforcing bar and common steel bar stress in beam bottom portion, and pre-tensioned prestressing reinforcing bar is blocked in beam-ends, and common steel bar stress extends to cast-in-place node outside beam-ends, for anchoring.Cast-in-place node is poured using superhigh tenacity cement-base composite material, and horizontal hoop need not be arranged.The assembled pre-tensioned prestressed concrete frame passes through optimizing the arrangement of in construction technology, so that pre-tensioned prestressed concrete Vierendeel girder is in articulated connection state in construction stage and frame column, and it is just to connect in succession in follow-up loaded state after construction, to significantly reduce the hogging moment and Liang Zong muscle quantity of frame beam-ends, reduce difficulty of construction, installation effectiveness is improved, reduces steel using amount, to improve the comprehensive benefit in structure construction.
Description
Technical field
The invention belongs to building structure technology field, more particularly to a kind of assembled pre-tensioned prestressed concrete frame and its
Construction technology.
Background technology
Development assembled architecture is one of the main means of the current construction industry transition and upgrade in China, and assembly concrete knot
Structure is the current most important structure type of China's assembled architecture.China's earthquake takes place frequently, the anti-seismic performance of assembled architecture by
The concern of engineering and designer.Compared with common cast-in-place structural, the standardization of assembled architecture, industrialization degree higher are right
The improvement of its anti-seismic performance is conducive to the promotion for pushing dependency structure system shock resistance on the whole.Currently, assembly both domestic and external
In formula concrete frame structure, generally use non-prestressed frame form, the vertical muscle of beam column node area beam of this structure type close
Collection intersects, and bar connecting and concreting difficulty are big, and construction efficiency is relatively low.
Invention content
The object of the present invention is to provide a kind of assembled pre-tensioned prestressed concrete frames, it is characterised in that:Include mainly
Prefabricated reinforced concrete column, Prefabricated pre-tensioned prestressed steel reinforced concrete beam and floor and cast-in-place node.
The prefabricated reinforced concrete column includes the concrete I of muscle cage I and package muscle cage.The muscle cage I includes several columns
Vertical muscle and column tie-bar.These columns indulge the upper and lower end face that muscle extends concrete I.
The Prefabricated pre-tensioned prestressed steel reinforced concrete beam includes the concrete II of muscle cage II and package muscle cage.The muscle cage
II includes several Reinforcements, beam stirrup and U-shaped reinforcing bar.In these Reinforcements, including several common stress steel
Muscle and pre-tensioned prestressing reinforcing bar.The pre-tensioned prestressing reinforcing bar is blocked in beam-ends.Several U-shaped reinforcing bars are stuck on muscle cage II.U
Extend the upper surface of concrete II in the both ends of shape reinforcing bar upper end.
Extend the left and right end face of concrete II in two ends of the common steel bar stress.The common stress steel
Two ends of muscle are respectively positioned on the top of the Prefabricated pre-tensioned prestressed steel reinforced concrete beam.The Prefabricated pre-tensioned deformed bar
The position of the top of beams of concrete is the location of described cast-in-place node, and it is compound to pour superhigh tenacity cement base in the position
Material forms cast-in-place node.
Further, the prefabricated reinforced concrete column on upper layer is located at the cast-in-place node of the prefabricated reinforced concrete column upper end of lower layer
Top.
The column of the prefabricated reinforced concrete column of upper and lower layer indulges muscle in cast-in-place node inside lap.
Further, the floor is located above Prefabricated pre-tensioned prestressed steel reinforced concrete beam.
Further, the floor can be cast-in-place concrete floor or concrete folding plate.
Further, there are several Reinforcements inside the floor.In Prefabricated pre-tensioned prestressed steel reinforced concrete beam
Top, the both ends of U-shaped reinforcing bar are in floor.
Further, prefabricated reinforced concrete column, it is mixed employed in Prefabricated pre-tensioned prestressed steel reinforced concrete beam and floor
Solidifying soil strength grade ranging from C30~C80.
Further, the prefabricated reinforced concrete column, employed in Prefabricated pre-tensioned prestressed steel reinforced concrete beam and floor
Reinforcement be HRB400, HRB500, HRBF400 or HRBF500.
Further, the deformed bar employed in Prefabricated pre-tensioned prestressed steel reinforced concrete beam is compressor wire spiral
Rib or prestressing force spiral.
Invention additionally discloses a kind of construction technology for above-mentioned assembled pre-tensioned prestressed concrete frame, feature exists
In including the following steps：
1) plant produced prefabricated reinforced concrete column and Prefabricated pre-tensioned prestressed steel reinforced concrete beam.
2) in-site installation prefabricated reinforced concrete column.
3) interim vertical supporting is arranged in the both ends of in-site installation Prefabricated pre-tensioned prestressed steel reinforced concrete beam, beam.
4) install or pour build floor.
5) node region is poured.
6) after the intensity at node is met the requirements, the construction temporary support of frame beam-ends is removed, forms the frame that beam column has just connect
Frame structure.
The solution have the advantages that unquestionable, pass through optimizing the arrangement of in construction technology so that pre-tensioned prestressing
Concrete frame beam is in articulated connection state in construction stage and frame column, and is rigid in follow-up loaded state after construction
It connects in succession, to significantly reduce the hogging moment and Liang Zong muscle quantity of frame beam-ends, reduces difficulty of construction, improve installation effectiveness, subtract
Small steel using amount, to improve the comprehensive benefit in structure construction.
Description of the drawings
Fig. 1 is a kind of assembled pre-tensioned prestressed concrete block schematic illustration；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is superimposed sheet preformed layer floor schematic diagram (its position is similar to Fig. 2)；
Fig. 4 is the B-B sectional views of Fig. 1；
Fig. 5 is the C-C sectional views of Fig. 1.
In figure：Prefabricated reinforced concrete column 1, column indulge muscle 101, Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2, first open pre- answer
Power reinforcing bar 201, common steel bar stress 202, U-shaped reinforcing bar 203, node 12, floor 3, Reinforcement 301, interim vertical branch
Support 4, superimposed sheet preformed layer 5.
Specific implementation mode
With reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1：
Referring to Fig. 1, a kind of assembled pre-tensioned prestressed concrete frame, it is characterised in that:Include mainly precast reinforced mixed
Solidifying earth pillar 1, Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2 and floor 3 and cast-in-place node 12.
The prefabricated reinforced concrete column 1 includes muscle cage I and wraps up the concrete I of muscle cage.The muscle cage I includes several columns
Vertical muscle 101 and column tie-bar.These columns indulge the upper and lower end face that muscle 101 extends concrete I.
The Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2 includes muscle cage II and wraps up the concrete II of muscle cage.The muscle
Cage II includes several Reinforcements, beam stirrup and U-shaped reinforcing bar 203.In these Reinforcements, including it is several commonly by
Power reinforcing bar 202 and pre-tensioned prestressing reinforcing bar 201.Deformed bar employed in Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2
201 be compressor wire (spiral ribs) or prestressing force spiral.Referring to attached drawing 2 or 3, what it is positioned at beam bottom portion is common stress
Reinforcing bar 202, what it is positioned at beam sides is pre-tensioned prestressing reinforcing bar 201.Common steel bar stress 202 and pre-tensioned prestressing reinforcing bar 201
Configuration need meet design and construction require.The pre-tensioned prestressing reinforcing bar 201 is blocked in beam-ends.Several U-shaped reinforcing bars 203
It is stuck on muscle cage II (position for being in stirrup).Extend the upper surface of concrete II in the both ends of 203 upper end of U-shaped reinforcing bar.
Extend the left and right end face of concrete II in two ends of the common steel bar stress 202.The common stress
Two ends of reinforcing bar 202 are respectively positioned on the top of the Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2.The Prefabricated pre-tensioned is answered in advance
The position of the top of power reinforced beam 2 is the location of described cast-in-place node 12, pours superhigh tenacity in the position
Cement-base composite material forms cast-in-place node 12.
The prefabricated reinforced concrete column 1 on upper layer is located in the cast-in-place node 12 of 1 upper end of prefabricated reinforced concrete column of lower layer
Side.The column of the prefabricated reinforced concrete column 1 of upper and lower layer indulges muscle 101 in 12 inside lap of cast-in-place node.
Referring to Fig. 2 or 3, the floor 3 is located at 2 top of Prefabricated pre-tensioned prestressed steel reinforced concrete beam.The floor 3 can be
(Fig. 2,3 inside of the floor have several Reinforcements 301 to cast-in-place concrete floor.In Prefabricated pre-tensioned deformed bar
2 top of beams of concrete, the both ends of U-shaped reinforcing bar 203 are in floor 3) or concrete folding plate (Fig. 3).
Embodiment 2：
The present embodiment discloses a kind of construction work for assembled pre-tensioned prestressed concrete frame described in embodiment 1
Skill, which is characterized in that include the following steps：
1) plant produced prefabricated reinforced concrete column 1 and Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2.
2) in-site installation prefabricated reinforced concrete column 1.
3) interim vertical supporting 4 is arranged in the both ends of in-site installation Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2, beam.Exist
Construction stage, Prefabricated pre-tensioned prestressed steel reinforced concrete beam 2 is in beam-ends articulated connection state, and carries construction stage vertical lotus
It carries.
4) install or pour build floor 3.
5) 12 region of node is poured.
6) after the intensity at cast-in-place node 12 is met the requirements, the construction temporary support 9 of frame beam-ends is removed.I.e. after construction
Follow-up loaded state in, form the frame structure that has just connect of beam column.
Claims (9)
1. a kind of assembled pre-tensioned prestressed concrete frame, it is characterised in that:It include mainly the prefabricated reinforced concrete column
(1), Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2) and floor (3) and cast-in-place node (12).
The prefabricated reinforced concrete column (1) includes the concrete I of muscle cage I and package muscle cage；The muscle cage I includes that several columns are vertical
Muscle (101) and column tie-bar；These columns indulge the upper and lower end face that muscle (101) extends concrete I；
The Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2) includes the concrete II of muscle cage II and package muscle cage；The muscle cage
II includes several Reinforcements, beam stirrup and U-shaped reinforcing bar (203)；In these Reinforcements, including it is several commonly by
Power reinforcing bar (202) and pre-tensioned prestressing reinforcing bar (201)；The pre-tensioned prestressing reinforcing bar (201) is blocked in beam-ends；Several U
Shape reinforcing bar (203) is stuck on muscle cage II；Extend the upper surface of concrete II in the both ends of U-shaped reinforcing bar (203) upper end；
Extend the left and right end face of concrete II in two ends of the common steel bar stress (202)；The common stress steel
Two ends of muscle (202) are respectively positioned on the top of the Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2)；The Prefabricated pre-tensioned is pre-
The position of the top of stress reinforced beam (2) is the location of described cast-in-place node (12), is poured in the position super
High tenacity cement-base composite material forms cast-in-place node (12).
2. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1, it is characterised in that：Upper layer it is prefabricated
Reinforced column (1) is located above the cast-in-place node (12) of prefabricated reinforced concrete column (1) upper end of lower layer；
The column of the prefabricated reinforced concrete column (1) of upper and lower layer indulges muscle (101) in cast-in-place node (12) inside lap.
3. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1 or 2, it is characterised in that：The building
Plate (3) is located above Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2).
4. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1 or 3, it is characterised in that：The building
Plate (3) is cast-in-place concrete floor or concrete folding plate.
5. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1 or 4, it is characterised in that：The building
There are several Reinforcements (301) inside plate (3)；Above Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2), U-shaped steel
The both ends of muscle (203) are in floor (3).
6. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1 or 5, it is characterised in that：Pre-manufactured steel
Strength grade of concrete employed in reinforced concrete column (1), Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2) and floor (3)
Ranging from C30~C80.
7. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1, it is characterised in that：The pre-manufactured steel
Reinforcement employed in reinforced concrete column (1), Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2) and floor (3) is
HRB400, HRB500, HRBF400 or HRBF500.
8. a kind of assembled pre-tensioned prestressed concrete frame according to claim 1, it is characterised in that：Prefabricated pre-tensioned is pre-
Deformed bar (201) employed in stress reinforced beam (2) is compressor wire (spiral ribs) or prestressing force screw thread
Reinforcing bar.
9. a kind of construction technology for the assembled pre-tensioned prestressed concrete frame being directed to described in 1~8 claim, feature
It is, includes the following steps：
1) plant produced prefabricated reinforced concrete column (1) and Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2)；
2) in-site installation prefabricated reinforced concrete column (1)；
3) interim vertical supporting (4) is arranged in the both ends of in-site installation Prefabricated pre-tensioned prestressed steel reinforced concrete beam (2), beam；
4) install or pour build floor (3)；
5) node (12) region is poured；
6) after the intensity at node (12) is met the requirements, the construction temporary support (9) of frame beam-ends is removed, forms what beam column had just connect
Frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652121.2A CN108755929A (en) | 2018-06-22 | 2018-06-22 | A kind of assembled pre-tensioned prestressed concrete frame and its construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652121.2A CN108755929A (en) | 2018-06-22 | 2018-06-22 | A kind of assembled pre-tensioned prestressed concrete frame and its construction technology |
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| Publication Number | Publication Date |
|---|---|
| CN108755929A true CN108755929A (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810652121.2A Pending CN108755929A (en) | 2018-06-22 | 2018-06-22 | A kind of assembled pre-tensioned prestressed concrete frame and its construction technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162510A (en) * | 2022-07-11 | 2022-10-11 | 中国矿业大学 | Pretensioned prestressed concrete frame beam and prefabricating method thereof |
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| CN201794215U (en) * | 2010-09-28 | 2011-04-13 | 杨峰 | Pretensioning method prestress reinforced concrete prefabricated beam |
| CN102704603A (en) * | 2012-06-15 | 2012-10-03 | 吴方伯 | Concrete superposed beam |
| CN103088920A (en) * | 2013-02-21 | 2013-05-08 | 华汇工程设计集团股份有限公司 | Pre-tensioning prestressed composite beam structural system and construction method thereof |
| CN105625572A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials |
| CN206625348U (en) * | 2017-03-23 | 2017-11-10 | 白城师范学院 | A kind of assembled integral bean column node |
| CN107795010A (en) * | 2017-10-24 | 2018-03-13 | 广东精宏建设有限公司 | A kind of prefabricated bean column node and its construction method |
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2018
- 2018-06-22 CN CN201810652121.2A patent/CN108755929A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201794215U (en) * | 2010-09-28 | 2011-04-13 | 杨峰 | Pretensioning method prestress reinforced concrete prefabricated beam |
| CN102704603A (en) * | 2012-06-15 | 2012-10-03 | 吴方伯 | Concrete superposed beam |
| CN103088920A (en) * | 2013-02-21 | 2013-05-08 | 华汇工程设计集团股份有限公司 | Pre-tensioning prestressed composite beam structural system and construction method thereof |
| CN105625572A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials |
| CN206625348U (en) * | 2017-03-23 | 2017-11-10 | 白城师范学院 | A kind of assembled integral bean column node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115162510A (en) * | 2022-07-11 | 2022-10-11 | 中国矿业大学 | Pretensioned prestressed concrete frame beam and prefabricating method thereof |
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Application publication date: 20181106 |