CN106677339A - Assembly integral type concrete frame structure of dry-wet mixed connection of nodes and construction method - Google Patents
Assembly integral type concrete frame structure of dry-wet mixed connection of nodes and construction method Download PDFInfo
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- CN106677339A CN106677339A CN201710139858.XA CN201710139858A CN106677339A CN 106677339 A CN106677339 A CN 106677339A CN 201710139858 A CN201710139858 A CN 201710139858A CN 106677339 A CN106677339 A CN 106677339A
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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
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention discloses an assembly integral type concrete frame structure of dry-wet mixed connection of nodes and a construction method. The assembly integral type concrete frame structure comprises pre-fabricated concrete pillars, pre-fabricated concrete beams, node local pre-stressed tendons, pre-fabricated concrete plates and rear-poured concrete combined interface layers; in an installation construction stage of a structural system, pre-fabricated components of the beams and the pillars adopt local pre-stress exerting and are connected in a dry mode, step-shaped rabbets at the ends of the pre-fabricated concrete beams are stored on side brackets of the pre-fabricated concrete pillars, and the pre-stressed tendons are inserted into vertical cross arc-shaped porous channels reserved in the beam ends and the node pillar sections of the pre-fabricated concrete pillars and are stretched; after dry-type connection between the pre-fabricated concrete beams and the pre-fabricated concrete pillars is completed, and the structural bearing capacity is achieved; in a using stage, after the pre-fabricated concrete plates or steel bearing plates, the pre-fabricated beams and steel rebars on the upper portions of the pre-fabricated plates are installed, the concrete combined interface layers are poured, and wet-type connection among the pre-fabricated concrete pillars, the pre-fabricated concrete beams and the pre-fabricated concrete plates is completed; and through dry-and-wet-type mixed connection of the nodes, the assembly integral type concrete frame structure is formed.
Description
Technical field
The present invention relates to architectural engineering assembling field, and in particular to a kind of assembled integral concrete frame structure.
Background technology
Assembling concrete frame structure can greatly improve construction ability and construction speed, save a large amount of labour forces, ensure
Build guality, and be conducive to reaching the requirement of " four sections one are environmentally friendly ", in national increased force propulsion assembly concrete building, push away
There is good development prospect under the background of wide green building and green construction.
At present, known domestic and international prefabrication and assembly construction frame structure mainly has conventional prefabricated bean column node wet type to be linked and packed
Frame structure and node dry type connection prestress assembly frame structure.The prefabricated post of wet type connection framework is highly located at bean column node
Lower section, is combined between prefabricated post node section and prefabricated beam-ends by cast-in-place concrete, and good integrity, energy consumption ability is excellent,
Structural behaviour is equal to cast-in-place structural, and the prefabricated integral frame structure Typical Representative has French generation structure system, the safe body of Taiwan profit
System.But cast-in-place concrete wet type connecting node, in-site installation efficiency is low, high cost, falsework consumption is big, and reinforcement installation is complicated
Have high demands, be unfavorable for large scale integration production and construction.Additionally, wet type assembling framework structural system must treat cast-in-place node shell of column
Concrete is reached after some strength, could carry out the assembling construction of a upper floor, and installation effectiveness is not high enough, is unfavorable for shortening high
The layer assembled architecture index bed installation time.
The prestressing force assembling framework of node dry type connection, can preferably play precast concrete factorial praluction and scene
Installation effectiveness, and post-tensioned prestressing connection can provide good structure restorability, be easy to the reparation after earthquake disaster.It is existing
Prefabricated post-tensioned prestressing frame structure mainly has the subassemblage concrete frame of the PRESSS systems of the U.S.-Japan and Japan
System.Subassemblage concrete frame structure is that prefabricated post and precast beam is straight by penetrating posttension, multistage, soap-free emulsion polymeization in beam
The prestressing force assembly concrete frame structure of line prestressing force and Tension Forming.The precast beam intercolumniation of PRESSS systems adopts posttension
Unbonded prestressing tendon and regular reinforcement carry out Hybrid connections, and presstressed reinforcing steel is passed through and reserved in whole beam longitudinal central axis line position
Presstressed reinforcing steel duct the both sides crossbeam of post is linked together, beam column seam filling mortar.Regular reinforcement is indulged up and down by beam
The reserved duct in muscle position passes through pillar, and carries out duct grouting in scene.Two kinds of structures are using the related post section of whole beam
Point applies prestressing force, and the safety of structure excessively relies on presstressed reinforcing steel, it is impossible to which the beam plasticity of post side certain distance is left in realization
Hinge transfer.In addition the presstressed reinforcing steel of subassemblage xoncrete structure needs lashing, tensioning etc. in the reserving hole channel of whole precast beam
Complicated construction technique, Structural Energy Dissipation is relatively weak；PRESSSS is difficult to give full play to tribute of its presstressed reinforcing steel for structural bearing capacity
Offer, its design theory is also mismatched with China specification current design methods.The prestressed assembling framework structure in also a kind of local
Dry type connecting node, the step ends rest of its precast beam on the side bracket of prefabricated post, and in the prefabricated beam column of node district
Between arrange that horizontal arc intersects presstressed reinforcing steel and carries out local prestressing force crimping, tension of prestressed tendon end is located at the side of beam and keeps away
Open the abdominal part that upper and lower longitudinal reinforcement encrypts scope.The joint form belongs to the dress of the pure dry type connection without overlapping cast-in-place concrete surface layer
With concrete frame structure, and match with precast floor slab dry type splicing process, though its structural behaviour connects better than external similar bolt
Mode is connect, but structural integrity is weaker than cast-in-place concrete frame structure, therefore the joint form is mainly used in multilamellar assembled
Concrete frame structure house.
The content of the invention
Technical problem：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of node dry and wet Hybrid connections
Assembled integral concrete frame structure and its construction method, the system is connected using " dry-wet mixing type ", gives full play to assembling
Quick and " wet type " attachment structure globality that concrete frame structure post-tensioned prestressing " dry type " attachment structure makes and installs
Good advantage, had both been easy to precast construction to construct with upper and lower floor crossings on different level assembling by cross, improve again structure globality and
Anti-seismic performance.
Technical scheme：The invention provides a kind of node dry and wet Hybrid connections assembled integral concrete frame structure, bag
The precast concrete column with node shell of column, precast concrete beam, precast slab and rear pouring concrete coincidence surface plate are included, is constructed
Precast concrete beam described in stage forms grillage, and the beam-ends of the precast concrete beam is provided with tongue and groove, the concrete
The node shell of column side of earth pillar is provided with the described prefabricated mixed of the bracket being adapted with tongue and groove, the precast concrete column and its both sides
Solidifying Tu Liang, with merging by presstressed reinforcing steel through tensioning is carried out, forms the non-floor framework knot of dry type connection by tongue and groove and bracket
Structure；Precast slab described in operational phase is laid on each Vierendeel girder of grillage, in precast slab and prefabricated mixed
Pouring concrete coincidence surface plate formation wet type connection has floor assembled integral after in the reserved height of solidifying 60~200mm of Tu Liang tops
Frame structure.
Further, the dry type connection of construction stage, is located at prefabricated beam section height middle part and wears with known presstressed reinforcing steel
Cross whole beam and assembling or the local crimping of presstressed reinforcing steel horizontal cross arrangement beam-ends depth of section middle part and shell of column are crimped with shell of column
Entirely different, node district is applied crossed arc arrangement in the perpendicular plane of the prestressed presstressed reinforcing steel in local, tensioning by the present invention
End is arranged on top surface of the beam and bottom surface, and the intersection post side of presstressed reinforcing steel is in the range of 0.05~0.2 times of beam span L, in advance
Stress rib afterbody is staggered between the levels longitudinal reinforcement of precast beam and forms closely overlap joint connection, reaches and obtains maximum beam-ends
Section resistance moment and the optimal effectiveness consistent with bean column node bending moment envelope diagram, and help realize that bean column node plastic hinge is shifted,
Strengthen overall structure anti-seismic performance, and form the non-floor frame structure with bearing capacity.Presstressed reinforcing steel can be wanted according to design
Ask and be processed into bonding and/or soap-free emulsion polymeization；It is different according to the application of prefabricated integral frame, post-tensioned prestressing muscle can be changed
Quantity and length, degree of prestressing and concrete binding mode and scope.
Further, wet type connection, it is entirely different with known assembling concrete frame bean column node concrete cast-in-situ, this
It is bright on the basis of node shell of column is prefabricated, the longitudinal main stress reinforcing bar in the coincidence surface plate of precast beam top is by precast concrete
Reserving hole channel or reinforcing bar connector realize continuous arrangement, floor surface layer reinforced bar in the coincidence surface plate of precoated plate in the node shell of column of post
In the cut-out of prefabricated shell of column periphery, discontinuously by node shell of column section, the way is obtained having the beneficial effect that and ensure that holding for girder
Loading capability, releases stress concentration of the floor in bearing load lower corner area, reduces the crack of comer area plate face, and with it is prefabricated
Concrete slab or steel board overlap together after pouring concrete surface layer, complete precast concrete beam, precast concrete column and prefabricated mixed
The wet type connection of concrete board；Precast concrete beam top longitudinal reinforcement may pass through the elongated arrangement of bean column node multispan, or many
Across carrying out overlap joint connection, it is welded to connect or is mechanically connected.
Further, the precast concrete column according to lifting crane gear ability, using single story height or multiple buildings
The precast concrete column of layer height, is connected between precast concrete column and with basis using grout sleeve；The precast concrete
Post also can be further prefabricated using segmentation, described including prefabricated concrete column reinforcing joint area and concrete column hypomere is segmented up and down
Concrete column reinforcing joint area it is reserved longitudinally through and vertical precompressed splicing in the middle part of being distributed in the reinforcing bar duct of cross-sectional perimeter and section
Bolt duct, the longitudinal reinforcement correspondence that the concrete column hypomere top surface stretches out extends to node through reserved steel bar duct
On area, the tensioning screw rod correspondence that the concrete column hypomere top surface stretches out splices duct, concrete column section through vertical precompressed
By concrete epoxy piece glue bond, piece is crimped and extrudes closely connected the piece of point area and concrete column hypomere by tensioning bolt,
It is in the milk in the reinforcing bar duct and vertical precompressed splicing duct.
A kind of construction method of node dry and wet Hybrid connections assembled integral concrete frame structure, comprises the following steps：
(1) after this layer of precast concrete column is in place, some precast concrete columns of adjacent pillars net are installed；
(2) precast concrete beam is shelved on the bracket of precast concrete Column border node shell of column side by the tongue and groove of beam-ends, will be pre-
Beams of concrete processed is aligned to designed elevation, the reserved left and right vertical arc prestressing force of prefabricated solidifying earth pillar and precast concrete beam-ends
The mutual para-position in muscle duct position, forms complete arc and intersects presstressed reinforcing steel duct；Arc presstressed reinforcing steel penetrates prestressed pore passage
And stretch-draw anchor, beam-ends stretching notch sealing off and covering anchorage, the local for completing non-floor frame structure applies the connection of prestressing force dry type；
(3) this layer of precast slab is shelved on the precast concrete beam of frame structure, installs precast beam coincidence surface plate
Interior longitudinal reinforcement is fixed with sealing stirrup, and colligation；
(4) repeat (2), (3), using line production install by cross prefabricated frame set a roof beam in place, prefabricated frame frame plate, colligation precoated plate fold
Close surfacing steel bar and built-in electric wire pipe；
(5) precast concrete column of upper layer frame structure, the installation synchronization of upper layer precast concrete beam are installed
Suddenly (2)；
(6) pouring concrete coincidence surface plate after one-piece casting This floor, completes the wet type connection of precast beam, post and plate, this step
Suddenly with step (5) using line production synchronous construction；
(7) repeating (1), (2), (3), (4), (5), (6) can complete whole assembled integral concrete frame by that analogy
The construction of frame structure.
Beneficial effect：The dry type attachment structure of construction stage of the invention by beam column node area apply local it is prestressed it is pre- should
Crossed arc arrangement in the perpendicular plane of power muscle, stretching end is arranged on top surface of the beam and bottom surface, and presstressed reinforcing steel afterbody is staggered in prefabricated
Closely overlap joint connection, the change of the arrangement are formed between the levels longitudinal reinforcement of beam, has obtained obtaining maximum beam-ends
Section resistance moment and the optimal effectiveness consistent with bean column node bending moment envelope diagram, and help realize that bean column node plastic hinge is shifted,
Non-floor frame structure of the formation with bearing capacity under conditions of not installing precoated plate and pouring coincidence surface plate concrete, directly
Subsequent installation precoated plate is connected in there is provided condition, the skyscraper index bed cross construction time is effectively shortened；
Additionally, in operational phase, the node shell of column of prefabricated post is also together prefabricated, the longitudinal direction in the coincidence surface plate of precast beam top
Main stress reinforcing bar realizes continuous arrangement by the reserving hole channel in the node shell of column of precast concrete column or reinforcing bar connector, prefabricated
Floor surface layer reinforced bar cuts off in prefabricated shell of column periphery in the coincidence surface plate of plate, discontinuously by node shell of column section, the way
Advantage is the bearing capacity that both ensure that girder, and stress concentration of the floor in bearing load lower corner area is released again, is reduced
The crack of comer area plate face, and pouring concrete surface layer after overlapping together with precast slab or steel board, form node dry and wet
Hybrid connections assembled integral concrete frame structure.
Description of the drawings
Fig. 1 is node dry and wet Hybrid connections assembled integral concrete frame structure system schematic diagram；
Fig. 2 is that precast concrete column sectional is prefabricated, combination face high-strength bolt crimping structure schematic diagram；Wherein (a) is
Precast concrete Column border node shell of column 16, is (b) concrete column hypomere 15, (c) is the fractional one layer prefabricated post being assembled into；
Fig. 3 is the vertical crossed arc prestressing force arranged in prefabricated and the connection of precast beam dry type the vertical plane of node shell of column
Muscle and stretching end are arranged at the schematic diagram of top surface of the beam and bottom surface；
Fig. 4 is prefabricated post, the precast beam upper longitudinal bar that precast beam and precoated plate wet type connect passes through prefabricated shell of column and prefabricated
The discontinuous schematic diagram in plate plate face steel bar column side；
Fig. 5 construction procedure schematic diagrams.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the enforcement
Example.
Embodiment：Two Pin two-layers three are illustrated in figure 1 across Precast Concrete Frame, the structure includes fractional one layer
Prefabricated post 1, precast concrete beam 4, precast slab 14 and rear pouring concrete coincidence surface plate 10, wherein fractional one layer prefabricated post
1 is made up of precast concrete Column border node shell of column 16 and concrete column hypomere 15.
Construction stage precast concrete beam 4 forms grillage, and the beam-ends of precast concrete beam 4 is provided with tongue and groove, prefabricated mixed
The node shell of column side of solidifying earth pillar 1 is provided with the bracket 2 being adapted with tongue and groove, as shown in Figure 3.Precast concrete column 1 and its both sides
Precast concrete beam 4 by tongue and groove and bracket 2 with merging by presstressed reinforcing steel 7 through tensioning is carried out, form the nothing of dry type connection
Floor frame structure.Crossed arc arrangement in the perpendicular plane of presstressed reinforcing steel 7 of beam column node area, presstressed reinforcing steel 7 is in the top surface of beam 4
Bonding is processed as with bottom surface tensioning post-grouting, the side of intersection post 1 of presstressed reinforcing steel 7 is 0.05 times of beam span L.As schemed
Shown in 4, the longitudinal main stress reinforcing bar 9 in the top coincidence surface plate 10 of precast beam 4 is by the node shell of column of precast concrete column
Continuous arrangement is realized in reserved wavy metal duct 13, is welded to connect between multispan.In precast slab 14 and concrete
The formation of pouring concrete coincidence surface plate 10 wet type connection has floor assembling overall after in the reserved altitude ranges of the top 130mm of native beam 4
Formula frame structure.
With reference to the embodiment of fractional one layer post 1, as shown in Fig. 2 the manufacturing process of the present invention is as follows：In precast concrete structure
Part factory completes fractional one layer prefabricated post 1 including precast concrete Column border node shell of column 16 and concrete column hypomere 15, concrete
The making of native beam 4, precast slab 14, and each component is numbered, transported to job site.Precast concrete column 1 is in beam column
Node district 16 reserve left and right vertical arc beams of concrete presstressed reinforcing steel duct 3, regular reinforcement duct 13, longitudinally through and be distributed
Vertical precompressed splice bolt duct 20 and post side bracket 2 in the middle part of the reinforcing bar duct 19 and section of cross-sectional perimeter；Concrete
Tu Liang adopts U-stirrups 12, beam-ends bottom to be provided with stepped tongue and groove, and beam-ends also leaves left and right vertical arc and intersects beams of concrete
Presstressed reinforcing steel duct 5.
Above-mentioned node dry and wet Hybrid connections assembled integral concrete frame structure, as shown in figure 5, site operation process is such as
Under：
1) Assembling fractional one layer prefabricated post 1, the longitudinal reinforcement 17, tensioning screw rod that the top surface of concrete column hypomere 15 stretches out
18 correspond to through the reserving hole channel 19,20 of concrete column reinforcing joint area 16 respectively, and piece is by concrete epoxy piece glue bond, tensioning spiral shell
Bolt 18 is crimped and extrudes closely connected, grouting in reinforcing bar duct 19 and vertical precompressed splicing duct 20.
2) it is first that this layer of precast concrete column 1 is in place, some precast concrete columns 1 of adjacent pillars net are installed, it is prefabricated mixed
Connected using grout sleeve between solidifying earth pillar 1 and basis.
3) this layer of precast concrete beam 4 is installed, precast concrete beam 4 is shelved on post side bracket by the tongue and groove of beam-ends bottom
On 2；Precast concrete beam 4 is aligned to into designed elevation, the reserved left and right vertical arc of prefabricated post node district and prefabricated beam-ends is pre-
Stress rib duct position 3,5 mutual para-positions, form complete arc and intersect presstressed reinforcing steel duct；Arc presstressed reinforcing steel 7 penetrates pre-
Stress duct 3,5 and stretch-draw anchor, arc duct grouting, beam-ends stretching notch 6,8 sealing off and covering anchorages complete " dry type " of frame structure even
Connect.
4) this layer of precast slab 14 is installed, the precast concrete beam 4 with bearing capacity frame structure is shelved on
On；Longitudinal reinforcement 9 in the coincidence surface plate of mounting rail top is fixed with sealing stirrup 12, and colligation；Longitudinal reinforcement 9 is mixed through prefabricated
The duct 13 of the back reinforcing bar of solidifying earth pillar 1, longitudinal reinforcement 9 is welded to connect, and two-way concrete slab needs consideration to be arranged symmetrically with duct
And mutual dislocation；Preheating embedding line, reinforcing bar 14,15 are synchronous in pouring concrete coincidence surface plate after This floor installs.
5) repeat 3), 4), using line production install by cross prefabricated frame set a roof beam in place, prefabricated frame frame plate, colligation coincidence surface plate steel
Muscle and built-in electric wire pipe etc..
6) precast concrete column 1 of a floor, a upper floor precast concrete beam 4, specific embodiment are installed
With the 2) step.
7) pouring concrete coincidence surface plate 10 after one-piece casting This floor；Complete " wet type " connection of bean column node；
This stage precast concrete column 1 of a floor frame structure, the installation of precast concrete beam 4 and this layer upwards
The construction of pouring concrete coincidence surface plate 10 afterwards, can adopt line production synchronous construction according to engineering practice.
8) repeat that 1), 2), 3), 4), 5), 6), 7) applying for whole prefabricated integral frame structure can be completed by that analogy
Work.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of node dry and wet Hybrid connections assembled integral concrete frame structure, it is characterised in that：Including band node shell of column
Precast concrete column, precast concrete beam, precast slab and rear pouring concrete coincidence surface plate, it is prefabricated described in the construction stage
Beams of concrete forms grillage, and the beam-ends of the precast concrete beam is provided with tongue and groove, the node post of the precast concrete column
Section side is provided with the precast concrete beam of the bracket being adapted with tongue and groove, the precast concrete column and its both sides by enterprise
Mouth and bracket are passed through by presstressed reinforcing steel with merging and carry out tensioning, the non-floor frame structure of formation dry type connection；Operational phase institute
State precast slab to be laid on each Vierendeel girder of grillage, precast slab and precast concrete beam top 60 ~
Pouring concrete coincidence surface plate formation wet type connection has floor prefabricated integral frame structure after in the reserved height of 200mm.
2. node dry and wet Hybrid connections assembled integral concrete frame structure according to claim 1, it is characterised in that：
Crossed arc arrangement in the perpendicular plane of the presstressed reinforcing steel, tension of prestressed tendon end is located at the top surface of precast concrete beam and bottom
Face, the intersection post side of presstressed reinforcing steel is in the range of 0.05 ~ 0.2 times of beam span, presstressed reinforcing steel afterbody is staggered in prefabricated
Overlap joint connection is formed between the levels longitudinal reinforcement of beams of concrete, presstressed reinforcing steel has been processed into bonding and/or soap-free emulsion polymeization.
3. node dry and wet Hybrid connections assembled integral concrete frame structure according to claim 1, it is characterised in that：
Longitudinal main stress reinforcing bar in the concrete folding surface layer is by the reserving hole channel in the node shell of column of precast concrete column
Or reinforcing bar connector realizes continuous arrangement；Floor surface layer reinforced bar cuts off in prefabricated shell of column periphery in the concrete folding surface layer,
The discontinuous coincidence surface plate concrete by node shell of column section, integral cast-in-situ precast beam and precoated plate.
4. node dry and wet Hybrid connections assembled integral concrete frame structure according to claim 3, it is characterised in that：
Precast concrete beam top longitudinal reinforcement passes through the elongated arrangement of bean column node multispan, or overlap joint connection, weldering are carried out between multispan
Connect in succession or be mechanically connected.
5. node dry and wet Hybrid connections assembled integral concrete frame structure according to claim 1, it is characterised in that：
The precast concrete column is divided into single story height or multiple story heights and carries out prefabricated or prefabricated using segmentation, bag
Include and be segmented prefabricated concrete column reinforcing joint shell of column and concrete column hypomere up and down：The reserved longitudinal direction of the concrete column reinforcing joint shell of column is passed through
Wear and be distributed in the vertical precompressed splice bolt duct in the middle part of the reinforcing bar duct and section of cross-sectional perimeter；The concrete column hypomere
The longitudinal reinforcement correspondence that top surface stretches out is extended on node district, the concrete column hypomere top through reserved steel bar duct
The tensioning screw rod correspondence that face is stretched out splices reserving hole channel, concrete column reinforcing joint shell of column and concrete column hypomere through vertical precompressed
By concrete epoxy piece glue bond, piece is crimped and extrudes closely connected piece by tensioning bolt, and the reinforcing bar duct is pre- with vertical
Pressure splicing is in the milk in duct.
6. the construction method of node dry and wet Hybrid connections assembled integral concrete frame structure according to claim 1,
It is characterized in that：Comprise the following steps：
（1）After this layer of precast concrete column is in place, some precast concrete columns of adjacent pillars net are installed；
（2）Precast concrete beam is shelved on the bracket of precast concrete Column border node shell of column side by the tongue and groove of beam-ends, will be prefabricated mixed
Solidifying Tu Liang is aligned to designed elevation, the reserved left and right vertical arc presstressed reinforcing steel hole of prefabricated solidifying earth pillar and precast concrete beam-ends
The mutual para-position in road position, forms complete arc and intersects presstressed reinforcing steel duct；Arc presstressed reinforcing steel penetrates prestressed pore passage and opens
Anchoring, beam-ends stretching notch sealing off and covering anchorage, the local for completing non-floor frame structure is drawn to apply the connection of prestressing force dry type；
（3）This layer of precast slab is shelved on the precast concrete beam of frame structure, is installed in precast beam coincidence surface plate and is indulged
Fix with sealing stirrup, and colligation to reinforcing bar；
（4）Repeat（2）、（3）, using line production install by cross prefabricated frame set a roof beam in place, prefabricated frame frame plate, colligation precoated plate superposed surfaces
Layer reinforcing bar and built-in electric wire pipe；
（5）The precast concrete column of upper layer frame structure, the same step of installation of upper layer precast concrete beam are installed
（2）；
（6）Pouring concrete coincidence surface plate after one-piece casting This floor, complete precast beam, post and plate wet type connection, this step with
Step（5）Using line production synchronous construction；
（7）Repeat（1）、（2）、（3）、（4）、（5）、（6）Whole assembled integral concrete frame knot can be completed by that analogy
The construction of structure.
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| CN110670723A (en) * | 2019-10-15 | 2020-01-10 | 广州瀚阳工程咨询有限公司 | Large-span prestressed concrete assembled building frame system |
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