CN110468961A - A kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges the assembly concrete frame structure and preparation method thereof of muscle - Google Patents
A kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges the assembly concrete frame structure and preparation method thereof of muscle Download PDFInfo
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- CN110468961A CN110468961A CN201910808629.1A CN201910808629A CN110468961A CN 110468961 A CN110468961 A CN 110468961A CN 201910808629 A CN201910808629 A CN 201910808629A CN 110468961 A CN110468961 A CN 110468961A
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- corrugated steel
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
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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
- 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
Abstract
A kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges the assembly concrete frame structure and preparation method thereof of muscle, the present invention relates to engineering construction technology fields, and in particular to a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges the assembly concrete frame structure and preparation method thereof of muscle.The present invention is to solve the connection of the bean column node of existing prefabricated assembled concrete structure, the bolt connection of use is excessively complicated, and construction efficiency is low, the problem of connection effect difference.It includes precast concrete column and precast concrete composite beam；Precast concrete column is by the arrangement fining twisted steel in the corrugated steel tube of column quadrangle and casting concrete realizes the vertical connection of column, and upper and lower interlayer fining twisted steel can be attached by connector of finish rolling thread steel.Precast concrete composite beam realizes the connection with prefabricated post reinforcing bar by the back reinforcing bar of the beam bottom reinforcing bar and scene binding that are anchored in corrugated steel tube.The present invention is used for prefabricated concrete structure building technology field.
Description
Technical field
The present invention relates to engineering construction technology fields, and in particular to after one kind is in the built-in corrugated steel pipe of prefabricated beam column
Set the assembly concrete frame structure and preparation method thereof of vertical muscle.
Background technique
In prefabricated assembled concrete frame construction, beam-to-column joint at an entirety, is played transmitting lotus by bean column node
The effect with energy dissipation is carried, is the key that prefabricated assembled concrete frame construction.The beam of prefabricated assembled concrete structure
Column border node will generally meet the basic demands such as reasonable stress, good integrity, beauty in design.Because of the difference of construction technology,
Diversification is also presented in the connection type of bean column node, there is dry type connection, wet type connection etc..However these connection methods are mostly too
It excessively idealizes, such as dry type connection, the bolt connection of use is excessively complicated, and construction efficiency is low, connection effect people not to the utmost
Meaning.
Summary of the invention
The present invention is to solve the bean column node of existing prefabricated assembled concrete structure and connect the bolt of use connects
Technique is excessively complicated, and construction efficiency is low, the problem of connection effect difference, and after providing one kind in the built-in corrugated steel pipe of prefabricated beam column
Set the assembly concrete frame structure and preparation method thereof of vertical muscle.
The assembly concrete frame structure that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of the present invention indulges muscle includes
Precast concrete column and precast concrete composite beam；End bay is carried out between the precast concrete column and precast concrete composite beam
Mid-side node connection, the connection of end bay interior joint are connected with middle span centre node；
The corrugated steel tube and fining twisted steel positioned at quadrangle are provided in single precast concrete column；Fining twisted steel is located at
Fining twisted steel and corrugated steel are realized by the way that microdilatancy microlith self-compacting concrete is perfused into corrugated steel tube in corrugated steel tube center
Pipe is reliably connected；Stirrup and minor diameter hot-rolled reinforced bar are provided in single concrete column ontology；Minor diameter hot-rolled reinforced bar, ripple
Framework of steel reinforcement is collectively formed in steel pipe and stirrup；Upper and lower level concrete is realized by fining twisted steel and connector of finish rolling thread steel
Earth pillar is reliably connected；
The single long line platform extrusion molding of precast concrete composite beam obtains；It is provided with along beam length direction multiple mutually flat
Capable u tie muscle；U tie muscle one end is embedded in composite beam ontology, and one end stretches out in composite beam body upper surface；U tie muscle
Protective layer thickness need to meet code requirement, and u tie muscle beam side direction thickness of concrete cover is not less than 45mm；It is described prefabricated
Concrete composite beam is internally provided with the elongated corrugated steel tube along the elongated arrangement in beam length direction, for precast concrete composite beam by
Draw the anchoring of reinforcing bar；The beam bottom steel-bar arrangement is in elongated corrugated steel tube, and the size of elongated corrugated steel tube is according to beam bottom reinforcing bar
Diameter selection；The microdilatancy microlith self-compaction coagulation for being not less than beam body concrete by the way that intensity is perfused into elongated corrugated steel tube
Soil realizes being reliably connected for beam bottom reinforcing bar and elongated corrugated steel tube；The precast concrete composite beam is internally provided with along beam length side
To the waist muscle of elongated arrangement, waist muscle and elongated corrugated steel tube are connected by electroslag pressure welding with u tie muscle, form reinforcing bar
Frame.
A kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of the present invention indulges the system of the assembly concrete frame structure of muscle
Make method specifically to sequentially include the following steps:
One, corrugated steel tube, minor diameter hot-rolled reinforced bar and stirrup are bound by design requirement into framework of steel reinforcement；It is propped up on pedestal
Mould and casting concrete, obtain precast concrete column；
Two, elongated corrugated steel tube, u tie muscle and waist muscle are bound at framework of steel reinforcement, by u tie muscle, elongated corrugated steel tube
With waist muscle slag Welding；The protective layer thickness of beam side reinforcing bar is not less than 45mm；Extrusion molding composite beam is formed along beam length direction
Through-hole；After composite beam concrete knot is hard, the crotch of u tie muscle is rotated horizontally 90 ° into beam section, obtains beam to be cut
Body；Use cutting machine by beam body cutting to be cut at required beam section by design length；Beam is inserted into elongated corrugated steel tube
Bottom reinforcing bar；The microdilatancy pea gravel concreten that intensity is not less than beam body concrete is perfused into elongated corrugated steel tube, obtains prefabricated mixed
Solidifying soil composite beam；
Three, precast concrete column is transported to construction site, will be anchored in advance Ji Ding's by connector of finish rolling thread steel
Fining twisted steel spreading is to stretching out next layer ground to be onstructed or more；
Four, fining twisted steel is made to occupy the center that the corrugated steel tube of precast concrete quadrangle is set, it is to be onstructed by this layer
Precast concrete column installation more than ground is in place；
Five, the corrugated steel tube that real precast concrete quadrangle is filled using microdilatancy microlith self-compacting concrete, to corrugated steel tube
Interior concrete knot installs precast concrete composite beam in place afterwards firmly, binds back reinforcing bar and floor bar, and construction concrete is folded
Close the concrete that surface layer pours bean column node；The fining twisted steel for stretching out superstructure surface is connect by connector of finish rolling thread steel again
It is long to stretching out next layer ground to be onstructed；
Six, it repeats step 4 and step 5 is to complete the assembly of the entirely vertical muscle of postposition in the built-in corrugated steel pipe of prefabricated beam column
The construction of formula concrete frame structure.
Beneficial effects of the present invention:
The assembly concrete frame structure that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of the present invention indulges muscle can be grasped
The property made is strong, and construction is simple is quick, realizes effective anchoring of steel bar stress using fining twisted steel and built-in corrugated steel pipe and connects
It connects, anti-seismic performance is not less than cast-in-place concrete structure, has in prefabricated concrete structure building technology field extensive
Application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plain weave corrugated steel tube；
Fig. 2 is the structural schematic diagram of spiral corrugated steel pipes；
Fig. 3 is the precast concrete column schematic diagram of built-in corrugated steel pipe；
Fig. 4 is end bay precast concrete composite beam schematic diagram；
Fig. 5 be in across precast concrete composite beam schematic diagram；
Fig. 6 is that the fining twisted steel for stretching out superstructure surface is passed through connector of finish rolling thread steel spreading to stretching out next layer again
The schematic diagram on ground to be onstructed；
Fig. 7 is that the assembly concrete frame structure that postposition indulges muscle in the built-in corrugated steel pipe of prefabricated beam column is integrally illustrated
Figure；
Fig. 8 is end bay mid-side node connection schematic diagram；
Fig. 9 is end bay interior joint connection schematic diagram；
Figure 10 is middle span centre node connection schematic diagram.
Specific embodiment
Illustrate following implementation in conjunction with Fig. 1~10.
Specific embodiment 1: a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of present embodiment indulges the assembled of muscle
Concrete frame structure includes precast concrete column 2 and precast concrete composite beam 10；The precast concrete column 2 is mixed with prefabricated
The connection of end bay mid-side node is carried out between solidifying soil composite beam 10, the connection of end bay interior joint is connected with middle span centre node；
The corrugated steel tube 7 and fining twisted steel 11 positioned at quadrangle are provided in single precast concrete column 2；Fining twisted steel
11 are located at 7 center of corrugated steel tube, realize fining twisted steel by the way that microdilatancy microlith self-compacting concrete is perfused into corrugated steel tube 7
11 and corrugated steel tube 7 be reliably connected；Stirrup 9 and minor diameter hot-rolled reinforced bar 8 are provided in single concrete column ontology；Minor diameter
Framework of steel reinforcement is collectively formed in hot-rolled reinforced bar 8, corrugated steel tube 7 and stirrup 9；Pass through fining twisted steel 11 and connector of finish rolling thread steel
12 realization upper and lower level precast concrete columns are reliably connected；
The long line platform extrusion molding of single precast concrete composite beam 10 obtains；It is provided with along beam length direction multiple mutual
Parallel u tie muscle 3；3 one end of u tie muscle is embedded in composite beam ontology, and one end stretches out in composite beam body upper surface；U tie
The protective layer thickness of muscle 3 need to meet code requirement, and 3 beam side direction thickness of concrete cover of u tie muscle is not less than 45mm；Institute
It states precast concrete composite beam and is internally provided with the elongated corrugated steel tube 1 along the elongated arrangement in beam length direction, be used for precast concrete
The anchoring of composite beam tension reinforcement；The beam bottom reinforcing bar 5 is arranged in elongated corrugated steel tube 1, the size root of elongated corrugated steel tube 1
It is selected according to the diameter of beam bottom reinforcing bar 5；It is thin not less than the microdilatancy of beam body concrete by the way that intensity is perfused into elongated corrugated steel tube 1
Stone self-compacting concrete realizes being reliably connected for beam bottom reinforcing bar 5 and elongated corrugated steel tube 1；Inside the precast concrete composite beam
It is provided with the waist muscle 4 along the elongated arrangement in beam length direction, waist muscle 4 and elongated corrugated steel tube 1 and passes through electroslag pressure welding and u tie muscle 3
It is connected, forms framework of steel reinforcement.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the microdilatancy microlith is from close
The intensity of real concrete is not less than the concrete of precast concrete column 2.Other are same as the specific embodiment one.
Specific embodiment 3: a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of present embodiment indulges the assembled of muscle
The production method of concrete frame structure specifically sequentially includes the following steps:
One, corrugated steel tube 7, minor diameter hot-rolled reinforced bar 8 and stirrup 9 are bound by design requirement into framework of steel reinforcement；In pedestal
Upper formwork and casting concrete, obtain precast concrete column 2；
Two, elongated corrugated steel tube 1, u tie muscle 3 and waist muscle 4 are bound at framework of steel reinforcement, by u tie muscle 3, elongated ripple
4 slag Welding of steel pipe 1 and waist muscle；The protective layer thickness of beam side reinforcing bar is not less than 45mm；Extrusion molding composite beam is formed along beam length
The through-hole 6 in direction；After composite beam concrete knot is hard, the crotch of u tie muscle 3 is rotated horizontally 90 ° into beam section, obtain to
Cut beam body；Use cutting machine by beam body cutting to be cut at required beam section by design length；Into elongated corrugated steel tube 1
It is inserted into beam bottom reinforcing bar 5；The microdilatancy pea gravel concreten that intensity is not less than beam body concrete is perfused into elongated corrugated steel tube 1, obtains
To precast concrete composite beam 10；
Three, precast concrete column 2 is transported to construction site, Ji Ding will be anchored in by connector of finish rolling thread steel 12 in advance
11 spreading of fining twisted steel to stretching out next layer ground to be onstructed or more；
Four, fining twisted steel 11 is made to occupy the center that the corrugated steel tube 7 of precast concrete quadrangle is set, by the layer wait apply
Precast concrete column installation more than building site face is in place；
Five, the corrugated steel tube 7 that real precast concrete quadrangle is filled using microdilatancy microlith self-compacting concrete, to corrugated steel tube
Concrete knot in 7 installs precast concrete composite beam 10 in place afterwards firmly, binds back reinforcing bar and floor bar, concrete of constructing
Coincidence surface plate pours the concrete of bean column node；The fining twisted steel 11 for stretching out superstructure surface is connected by fining twisted steel again
12 spreading of device is to stretching out next layer ground to be onstructed；
Six, it repeats step 4 and step 5 is to complete the assembly of the entirely vertical muscle of postposition in the built-in corrugated steel pipe of prefabricated beam column
The construction of formula concrete frame structure.
Bars In Poured Concrete Slab and superimposed sheet can be used in present embodiment floor.
Specific embodiment 4: present embodiment is unlike specific embodiment three: corrugated steel described in step 1
Pipe 7 is plain weave corrugated steel tube or spiral corrugated steel pipes.Other are the same as the specific implementation mode 3.
Specific embodiment 5: present embodiment is unlike specific embodiment three or four: small described in step 1
Diameter hot-rolled reinforced bar 8 does not pass through bean column node.Other are identical as specific embodiment three or four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment three to five: described in step 3
The height of stretching need to meet the connection request using 12 operating space of connector of finish rolling thread steel.Other and specific embodiment
One of three to five is identical.
Specific embodiment 7: unlike one of present embodiment and specific embodiment three to six: institute in step 5
The strength grade of microdilatancy microlith self-compacting concrete is stated not less than precast concrete column strength grade.Other and specific embodiment party
One of formula three to six is identical.
Specific embodiment 8: unlike one of present embodiment and specific embodiment three to seven: described in step 5
The height of stretching need to meet the connection request using 12 operating space of connector of finish rolling thread steel.Other and specific embodiment
One of three to seven is identical.
Specific embodiment 9: unlike one of present embodiment and specific embodiment three to seven: pacifying in step 5
Guarantee that the beam bottom reinforcing bar 5 of precast concrete composite beam 10 protrudes into precast concrete column 2 when filling precast concrete composite beam 10 in place
Meet anchorage length requirement with the node's length of precast concrete composite beam 10.One of other and specific embodiment three to seven phase
Together.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one: a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges the assembly concrete frame structure of muscle
Production method specifically sequentially includes the following steps:
One, corrugated steel tube 7, minor diameter hot-rolled reinforced bar 8 and stirrup 9 are bound by design requirement into framework of steel reinforcement；In pedestal
Upper formwork and casting concrete, obtain precast concrete column 2；
Two, elongated corrugated steel tube 1, u tie muscle 3 and waist muscle 4 are bound at framework of steel reinforcement, by u tie muscle 3, elongated ripple
4 slag Welding of steel pipe 1 and waist muscle；The protective layer thickness of beam side reinforcing bar is not less than 45mm；Extrusion molding composite beam is formed along beam length
The through-hole 6 in direction；After composite beam concrete knot is hard, the crotch of u tie muscle 3 is rotated horizontally 90 ° into beam section, obtain to
Cut beam body；Use cutting machine by beam body cutting to be cut at required beam section by design length；Into elongated corrugated steel tube 1
It is inserted into beam bottom reinforcing bar 5；The microdilatancy pea gravel concreten that intensity is not less than beam body concrete is perfused into elongated corrugated steel tube 1, obtains
To precast concrete composite beam 10；
Three, precast concrete column 2 is transported to construction site, Ji Ding will be anchored in by connector of finish rolling thread steel 12 in advance
11 spreading of fining twisted steel to stretching out next layer ground to be onstructed or more；
Four, fining twisted steel 11 is made to occupy the center that the corrugated steel tube 7 of precast concrete quadrangle is set, by the layer wait apply
Precast concrete column installation more than building site face is in place；
Five, the corrugated steel tube 7 that real precast concrete quadrangle is filled using microdilatancy microlith self-compacting concrete, to corrugated steel tube
Concrete knot in 7 installs precast concrete composite beam 10 in place afterwards firmly, binds back reinforcing bar and floor bar, concrete of constructing
Coincidence surface plate pours the concrete of bean column node；The fining twisted steel 11 for stretching out superstructure surface is connected by fining twisted steel again
12 spreading of device is to stretching out next layer ground to be onstructed；
Six, it repeats step 4 and step 5 is to complete the assembly of the entirely vertical muscle of postposition in the built-in corrugated steel pipe of prefabricated beam column
The construction of formula concrete frame structure.
The assembly concrete frame structure that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column of the present embodiment indulges muscle can
Strong operability, construction is simple is quick, using fining twisted steel and built-in corrugated steel pipe realize steel bar stress it is effective anchoring and
Connection, anti-seismic performance are not less than cast-in-place concrete structure, have in prefabricated concrete structure building technology field extensive
Application prospect.
Claims (9)
1. the assembly concrete frame structure that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column indulges muscle, it is characterised in that
The assembly concrete frame structure that postposition indulges muscle in the prefabricated built-in corrugated steel pipe of beam column includes precast concrete column (2) and prefabricated
Concrete composite beam (10)；End bay mid-side node is carried out between the precast concrete column (2) and precast concrete composite beam (10)
Connection, the connection of end bay interior joint are connected with middle span centre node；
The corrugated steel tube (7) and fining twisted steel (11) positioned at quadrangle are provided in single precast concrete column (2)；Finish rolling screw thread
Steel (11) is located at corrugated steel tube (7) center, passes through the perfusion microdilatancy microlith self-compacting concrete realization essence into corrugated steel tube (7)
Roll being reliably connected for screw-thread steel (11) and corrugated steel tube (7)；Stirrup (9) and minor diameter heat are provided in single concrete column ontology
Steel rolling muscle (8)；Framework of steel reinforcement is collectively formed in minor diameter hot-rolled reinforced bar (8), corrugated steel tube (7) and stirrup (9)；Pass through finish rolling screw thread
Steel (11) and connector of finish rolling thread steel (12) realize being reliably connected for upper and lower level precast concrete column；
The single long line platform extrusion molding of precast concrete composite beam (10) obtains；It is provided with along beam length direction multiple mutually flat
Capable u tie muscle (3)；U tie muscle (3) one end is embedded in composite beam ontology, and one end stretches out in composite beam body upper surface；U-shaped
The protective layer thickness of stirrup (3) need to meet code requirement, and u tie muscle (3) beam side direction thickness of concrete cover is not less than
45mm；The precast concrete composite beam is internally provided with the elongated corrugated steel tube (1) along the elongated arrangement in beam length direction, for pre-
The anchoring of concrete composite beam tension reinforcement processed；Beam bottom reinforcing bar (5) setting is in elongated corrugated steel tube (1), elongated ripple
The size of steel pipe (1) is selected according to the diameter of beam bottom reinforcing bar (5)；It is not less than by the way that intensity is perfused into elongated corrugated steel tube (1)
The microdilatancy microlith self-compacting concrete of beam body concrete realizes being reliably connected for beam bottom reinforcing bar (5) and elongated corrugated steel tube (1)；
The precast concrete composite beam is internally provided with the waist muscle (4) along the elongated arrangement in beam length direction, waist muscle (4) and elongated corrugated steel
Pipe (1) is connected by electroslag pressure welding with u tie muscle (3), and framework of steel reinforcement is formed.
2. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 1 indulges muscle
Frame structure, it is characterised in that the intensity of the microdilatancy microlith self-compacting concrete is not less than the coagulation of precast concrete column (2)
Soil.
3. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column as described in claim 1 indulges muscle
The production method of structure, it is characterised in that postposition indulges the assembly concrete frame knot of muscle in the built-in corrugated steel pipe of prefabricated beam column
The production method of structure specifically sequentially includes the following steps:
One, corrugated steel tube (7), minor diameter hot-rolled reinforced bar (8) and stirrup (9) are bound by design requirement into framework of steel reinforcement；In platform
Formwork and casting concrete, obtain precast concrete column (2) on seat；
Two, elongated corrugated steel tube (1), u tie muscle (3) and waist muscle (4) are bound into framework of steel reinforcement, by u tie muscle (3), elongated
Corrugated steel tube (1) and waist muscle (4) slag Welding；The protective layer thickness of beam side reinforcing bar is not less than 45mm；Extrusion molding composite beam, shape
At the through-hole (6) along beam length direction；After composite beam concrete knot is hard, the horizontal rotation into beam section by the crotch of u tie muscle (3)
Turn 90 °, obtains beam body to be cut；Use cutting machine by beam body cutting to be cut at required beam section by design length；Xiang Tong
Beam bottom reinforcing bar (5) are inserted into long corrugated steel tube (1)；Into elongated corrugated steel tube (1), perfusion intensity is not less than beam body concrete
Microdilatancy pea gravel concreten obtains precast concrete composite beam (10)；
Three, precast concrete column (2) is transported to construction site, Ji Ding will be anchored in by connector of finish rolling thread steel (12) in advance
Fining twisted steel (11) spreading to stretching out next layer ground to be onstructed or more；
Four, fining twisted steel (11) is made to occupy the center that the corrugated steel tube (7) of precast concrete quadrangle is set, by the layer wait apply
Precast concrete column installation more than building site face is in place；
Five, the corrugated steel tube (7) that real precast concrete quadrangle is filled using microdilatancy microlith self-compacting concrete, to corrugated steel tube
(7) the concrete knot in installs precast concrete composite beam (10) in place afterwards firmly, binds back reinforcing bar and floor bar, and construction is mixed
Solidifying soil coincidence surface plate pours the concrete of bean column node；The fining twisted steel (11) for stretching out superstructure surface is passed through into finish rolling screw thread again
Steel connector (12) spreading is to stretching out next layer ground to be onstructed；
Six, it repeats step 4 and step 5 is to complete the assembled that entirely postposition indulges muscle in the built-in corrugated steel pipe of prefabricated beam column to mix
The construction of solidifying soil frame structure.
4. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that corrugated steel tube described in step 1 (7) is plain weave corrugated steel tube or helical corrugation steel
Pipe.
5. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that minor diameter hot-rolled reinforced bar described in step 1 (8) does not pass through bean column node.
6. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that the height of stretching described in step 3 need to meet using connector of finish rolling thread steel (12)
The connection request of operating space.
7. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that the strength grade of the self-compacting concrete of microdilatancy microlith described in step 5 is not less than
Precast concrete column strength grade.
8. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that the height of stretching described in step 5 need to meet using connector of finish rolling thread steel (12)
The connection request of operating space.
9. the assembly concrete frame that a kind of postposition in the built-in corrugated steel pipe of prefabricated beam column according to claim 3 indulges muscle
The production method of frame structure, it is characterised in that guarantee concrete when installing precast concrete composite beam (10) in place in step 5
The beam bottom reinforcing bar (5) of native composite beam (10) protrudes into the node's length of precast concrete column (2) and precast concrete composite beam (10)
Meet anchorage length requirement.
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| CN101029503A (en) * | 2007-04-06 | 2007-09-05 | 北京工业大学 | Beam and pile assembled node of precast and prestressed concrete structure |
| CN102505760A (en) * | 2011-11-17 | 2012-06-20 | 东南大学 | Prefabricated combined beam and column node member |
| JP2016033321A (en) * | 2014-07-31 | 2016-03-10 | 株式会社ライト建築事務所 | T-shaped molecular structure-like lego-type frame |
| JP2016050461A (en) * | 2014-09-02 | 2016-04-11 | 三井住友建設株式会社 | Rigid-framed structure |
| CN204753836U (en) * | 2015-04-29 | 2015-11-11 | 国核电力规划设计研究院 | Connected node of precast reinforced concrete roof beam and coincide post |
| CN106958319A (en) * | 2016-01-08 | 2017-07-18 | 中国建筑科学研究院 | Precast concrete post component and connected node |
| CN108560423A (en) * | 2018-02-05 | 2018-09-21 | 四川动和工程咨询有限公司 | A kind of construction method of regular reinforcement and finish rolling deformed bar hybrid reinforcement assembly pier |
| CN109469202A (en) * | 2018-12-12 | 2019-03-15 | 中国建筑技术集团有限公司 | Prestressed assembly integral concrete frame structure system and construction method thereof |
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Application publication date: 20191119 |