CN207538322U - A kind of prefabricated PC concrete frame frame system - Google Patents

A kind of prefabricated PC concrete frame frame system Download PDF

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Publication number
CN207538322U
CN207538322U CN201721412092.XU CN201721412092U CN207538322U CN 207538322 U CN207538322 U CN 207538322U CN 201721412092 U CN201721412092 U CN 201721412092U CN 207538322 U CN207538322 U CN 207538322U
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China
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prefabricated
column
reinforcing bar
post
overlapping layers
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郭海山
刘康
齐虎
李黎明
范昕
田力达
耿娇
王冬雁
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China State Construction Engineering Corp Ltd CSCEC
China Construction Baili Engineering Technology Development Co Ltd
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China State Construction Engineering Corp Ltd CSCEC
China Construction Baili Engineering Technology Development Co Ltd
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Abstract

The utility model is related to a kind of prefabricated PC concrete frame frame systems, the system includes basis, the prefabricated post of armored concrete, the composite beam of armored concrete, floor and plug-in prefabricated panel, composite beam includes beam prefabricated part and beam overlapping layers, girder pre-stressed duct is provided on beam prefabricated part, girder pre-stressed duct is arranged on the lower part of precast beam, column prestressed pore passage is provided in prefabricated post, column prestressed pore passage is aligned with girder pre-stressed duct, tendon is installed in two kinds of ducts, tendon is made of part unbonded prestressing tendon, including soap-free emulsion polymeization section and span centre adhesive section, the combined reinforced bar anchor connection of beam overlapping layers is anchored between prefabricated post and beam overlapping layers, combined reinforced bar includes energy consumption reinforcing bar and shear reinforcement, the reinforcing bar that consumes energy is equipped with soap-free emulsion polymeization section.The prefabricated PC concrete frame frame system of the utility model can be combined with the use of the lateral resistant members such as lateral support, shear wall, suitable for more high-rise public buildings, such as school, office building, apartment, hospital.

Description

A kind of prefabricated PC concrete frame frame system
Technical field
The utility model is related to a kind of architectural structure system, particularly a kind of fabricated prestressed concrete frame body System.
Background technology
At present, domestic assembly concrete frame structure system is mainly whole using the cast-in-place assembling in bean column node region Formula structural system.The bracket for being only limitted to setting support precast beam in prefabricated post of bean column node dry type connection, the two usually pass through Steel plate built-in fitting welds, and is mainly used in industrial premises structure.The U.S. and Japan have applied in civil buildings, without bracket Precast prestressed frame dry type connecting node.But have system and be primarily present problems with, lead to application range very little:
First, energy consumption reinforcing bar is respectively provided in the top and the bottom of beam in beam-column connection region, causes node construction complicated, especially It is the energy consumption reinforcing bar of beam lower part, installation is inconvenient.
2nd, beam-column connection region the top and the bottom of beam be not provided with energy consumption reinforcing bar, only by it is single or two after Tension prestress bar connecting, the energy-dissipating property of structure is poor, and anti-seismic performance is undesirable.
3rd, post-tensioning prestressing without bondn assembling concrete frame dry type system of the existing column perforation without bracket resists continuously to fall It collapses indifferent, the whole Pin frames failure damage immediately after presstressed reinforcing steel failure damage.
4th, post-tensioning prestressing without bondn assembling concrete frame dry type system of the existing column perforation without bracket, with basis Connected suspension column easily destroys at first in earthquake, and rehabilitation cost is high.This system and the replaceable energy consumption of suspension column position setting Use in conjunction and the research and development of device there is not yet.
5th, as a kind of assembly concrete frame structure system, consider architecture indoor aesthetic effect(Do not reveal ox Leg), beam, column, plate, node rapid construction connection, the equipment installations such as hot-water heating electricity are pre-buried, reduce the non-reality such as Construction Support and scaffold The comprehensive system optimization such as the body consumption of materials and take into account structure anti-seismic performance and recoverability system it is also rarely found.It is most straight The proof connect is exactly that tie up to global application case considerably less for the assembly concrete frame structure of dry type connection, need into Row system reformed AHP.
6th, without the beam-column connection of cast-in-place overlapping layers, although situ wet operation is less, structure floor globality Poor and floor gap water resistance is difficult to ensure that.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated PC concrete frame frame system, to solve prefabrication and assembly construction and mix Solidifying soil Joint's connection fabrication is more complicated, the construction efficiency of prefabricated assembled concrete frame and frame-shear-wall structure compared with The technical issues of structure repair cost is higher after low, anti-seismic performance reduction shake.
To achieve the above object, the utility model adopts the following technical solution:
A kind of prefabricated PC concrete frame frame system, including basis, the prefabricated post of armored concrete, armored concrete Composite beam, floor and plug-in prefabricated panel,
The composite beam includes the beam overlapping layers of the beam prefabricated part of bottom and the cast-in-situ steel reinforced concrete at top, described folded Beam two-way setting around prefabricated post is closed, is provided on lateral beam prefabricated part and hangs down along the perforation of precast beam level, with prefabricated post Straight single girder pre-stressed duct, the girder pre-stressed duct is arranged on along the short transverse of beam prefabricated part under precast beam Portion is provided on longitudinal beam prefabricated part along the perforation of precast beam level, the single girder pre-stressed duct vertical with prefabricated post, the beam The short transverse of prestressed pore passage along beam prefabricated part is also disposed at the lower part of precast beam,
It is provided in the prefabricated post along the perforation of cylinder level, column prestressed pore passage corresponding with girder pre-stressed duct, it is described Column prestressed pore passage is identical with the size in girder pre-stressed duct and is aligned setting, at the same in two kinds of ducts it is elongated be installed with it is continuous after The tendon of tension prestress,
The short transverse of the column prestressed pore passage along bean column node junction intersects two to be staggeredly arranged as spatial vertical Road, the tendon correspond to column prestressed pore passage and are also provided with twice,
It is socketed between the beam prefabricated part and prefabricated post by the prestressing force applied on tendon, the beam prefabricated portion Beam column seam between the plate end divided and prefabricated post is be bonded by polymer mortar joint filling,
The tendon is made of part unbonded prestressing tendon, including soap-free emulsion polymeization section and span centre adhesive section, the span centre The length of adhesive section, which is subject to, can guarantee that reinforcing bar fully anchors in beam prefabricated part,
Between the prefabricated post and beam overlapping layers by run through prefabricated post and anchor into beam overlapping layers combined reinforced bar anchor connect It connects, the combined reinforced bar includes the energy consumption reinforcing bar on upper strata and the shear reinforcement of lower floor, and energy consumption reinforcing bar is equipped with soap-free emulsion polymeization section.
With being arranged in parallel positioned at the tendon in composite beam, shear reinforcement includes pre-buried and penetrates through the shear reinforcement The shearing resistance anchoring shell of column of cylinder further includes and is fixedly connected with shearing resistance anchoring shell of column, anchors into shearing resistance in beam overlapping layers and anchor beam section.
The shearing resistance anchoring shell of column and shearing resistance anchoring beam section are mechanically connected by column internal thread jointing, the shearing resistance anchor Gu the length of beam section anchors into the length of beam overlapping layers no more than energy consumption reinforcing bar.
The twice that the short transverse intersection of the energy consumption reinforcing bar along bean column node junction is staggeredly arranged as spatial vertical, institute Energy consumption reinforcing bar is stated with being arranged in parallel positioned at the tendon in composite beam.
The energy consumption reinforcing bar is unbonded reinforcement in column, is provided in the prefabricated post and in advance should along the perforation of cylinder level, with column The parallel column energy consumption duct in power duct, elongated in column energy consumption duct to be installed with unbonded reinforcement in column, soap-free emulsion polymeization in the column Reinforcing bar includes soap-free emulsion polymeization section in column, and the end for further including unbonded reinforcement in column extends anchor in the beam for anchoring into and being formed in beam overlapping layers Enter section, the short transverse of column energy consumption duct along the bean column node junction intersects the twice being staggeredly arranged as spatial vertical, institute State unbonded reinforcement in column correspond to column energy consumption duct be also configured as twice.
The energy consumption reinforcing bar is the outer unbonded reinforcement of column, including having bonding outside soap-free emulsion polymeization section outside column grouted part, column and column Section,
There is adhesive section outside the outer soap-free emulsion polymeization section of the column and column for the continuous reinforcing bar in beam overlapping layers, center pillar is outer without viscous Duan Yuliang overlapping layers soap-free emulsion polymeizations are tied, have adhesive section and beam overlapping layers to have bonding outside column,
The column grouted part and the outer soap-free emulsion polymeization section of column are mechanically connected by column internal thread jointing.
The floor is prefabricated superimposed sheet, and the floor of the cast-in-place concrete of precast floor slab and top including bottom overlaps Layer, the precast floor slab ride upon the upside of beam prefabricated part, and the floor overlapping layers and beam overlapping layers formed by integrally casting form, The precast floor slab is cassette ceiling, is equipped with additional bar in the hole of cassette ceiling, the both ends of the additional bar are worn respectively Enter the docking area of adjacent two pieces of cassette ceilings, being covered in the floor overlapping layers has construction mesh sheet.
The prefabricated post layering is prefabricated, and intercolumniation bonding pad, the cylinder of upper and lower two layers of prefabricated post are avoided in bean column node bonding pad Reinforcing bar is in the milk by reinforced bar sleeve and connected, and is reserved with intercolumniation seam between upper and lower two layers of prefabricated post and is passed through high-strength grout and glues Knot;
The bottom cross-section of bottom prefabricated post expands the suspension column consumption to be formed and be enclosed in around prefabricated post, be fixed at the top of basis Energy body, the suspension column energy consumption body is prefabricated together with bottom prefabricated post or is formed with foundation construction, vertical on the suspension column energy consumption body The basic reserving hole channel that annular is distributed on the outside of prefabricated post is provided with, interchangeable suspension column reinforcing bar, institute are installed in basic reserving hole channel Suspension column reinforcing bar soap-free emulsion polymeization in suspension column energy consumption body is stated, the suspension column reinforcing bar is fixedly connected with reinforcement foundation, the suspension column reinforcing bar Top anchor is at the top of suspension column energy consumption body.
The plug-in prefabricated panel is connect with prefabricated post and/or composite beam,
The plug-in prefabricated panel connect with composite beam using wet type or dry type connection, the plug-in prefabricated panel with it is prefabricated Column is connected using dry type.
The utility model has the characteristics that and advantageous effect compared with prior art:
The utility model proposes prefabricated PC concrete frame frame system there are single in precast beam with prefabricated post Presstressed reinforcing steel pipeline, while it is integral to be connected to each other by the pretightning force of the post-tensioned prestressed reinforcement passed through in pipeline.It should Prestress pipe is arranged on the lower part of precast beam compared with prior art, can preferably play the effect of presstressed reinforcing steel.
Wherein single presstressed reinforcing steel is the post-tensioned prestressing muscle of part soap-free emulsion polymeization, and bonding position is arranged on span centre, that is, is protected Card structure has the progressive collapse-resisting ability that the deformability of increasing also ensures structure in earthquake, after presstressed reinforcing steel destroys, Destruction can be limited in beam by presstressed reinforcing steel span centre adhesive section so that whole Pin frames are unlikely to whole destructions, and then improve entire The progressive collapse-resisting ability of structure.
The utility model proposes prefabricated PC concrete frame frame system cast in situs overlapping layers in remove floor structure Make the energy consumption shearing resistance combined reinforced bar also set up outside bar-mat reinforcement with prefabricated beam-to-column joint.Energy consumption reinforcing bar is arranged at beam with shear reinforcement In overlapping layers, the effect that upper strata energy consumption reinforcing bar plays anchor force is combined with the presstressed reinforcing steel in beam prefabricated part, between raising component Shock resistance.Lower floor's shear reinforcement further improves the shock resistance between component, while using partial precast in column, part The mode of beam overlapping layers is anchored into, it is easy for construction.The energy consumption reinforcing bar that the length of the shearing resistance anchoring beam section of lower floor is less than upper strata anchors into beam The length of overlapping layers forms energy consumption ladder.
The utility model proposes the bottom column of prefabricated PC concrete frame frame system pass through suspension column energy consumption body and base Plinth is connected, and suspension column energy consumption body is with the interior suspension column reinforcing bar equipped with soap-free emulsion polymeization section as alternatively energy consumption connector, energy consumption connection Device low cost, shake after replaceability it is stronger, while suspension column energy consumption body can together with prefabricated post it is prefabricated can also with basis together Construction, construction is simple are convenient.
The utility model proposes prefabricated PC concrete frame frame system be that one kind can efficiently construct and anti-seismic performance Well, the prefabricated PC concrete frame frame system easily repaired after shake.The utility model is prefabricated by beam, plate, column, wallboard etc. The Optimal improvements of component selection, connecting structure and node improve the construction speed of prefabricated PC concrete frame frame system Degree and green construction are horizontal;The utility model is not influencing overall structure shock resistance by the use of part unbonded prestressing tendon The progressive collapse-resisting ability of total is improved under the premise of energy.The utility model passes through in prefabricated PC concrete frame Middle rational position setting energy consumption reinforcing bar and energy consumer under conditions of reaching and not increasing construction difficulty and process, improve entire The purpose of structural system anti-seismic performance and recoverability.
Description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is the arrangement schematic diagram of the utility model prefabricated PC concrete frame frame system aerial part component.
Fig. 2 is the structure diagram of the utility model prefabricated PC concrete frame frame system.
Fig. 3 is the king post joint floor map the utility model is related to example.
Fig. 4 is the structure diagram of the A-A sections in Fig. 3, is related to soap-free emulsion polymeization embodiment in energy consumption steel bar column.
Fig. 5 is B-B cross-sectional views in Fig. 3.
Fig. 6 is C-C cross-sectional views in Fig. 3.
Fig. 7 is the side column nodal plane schematic diagram the utility model is related to example.
Fig. 8 is the structure diagram of the D-D sections in Fig. 7, is related to soap-free emulsion polymeization embodiment in energy consumption steel bar column.
Fig. 9 is the single span structural plan schematic diagram the utility model is related to example.
Figure 10 is the structure diagram of the E-E sections of the utility model embodiment three in Fig. 9, is related to nothing in energy consumption steel bar column Bond embodiment.
Reference numeral:1- prefabricated posts, 1a- columns prestressed pore passage, 1b- columns energy consumption duct, 2- composite beams, 2a- are girder pre-stressed Duct, 2- composite beams, the beam prefabricated parts of 2.1-, 2.2- beams overlapping layers, 3- floors, 3.1- precast floor slabs, 3.2- floors overlapping Layer, 3.3- constructions mesh sheet, 3.4- additional bars, the plug-in prefabricated panels of 4-, 5- bases, 6- tendons, 6.1- soap-free emulsion polymeizations section, 6.2- Span centre adhesive section, 7- energy consumptions reinforcing bar, soap-free emulsion polymeization section in 7.1- columns, anchors into section, 7a- reinforcing bars at 6a- presstressed reinforcing steels anchor head in 7.2- beams The outer anchor slab of column, 8- shear reinforcements, 8.1- shearing resistances anchoring shell of column, 8.2- shearing resistances anchoring beam section, 9- column internal threads jointing, 10- Suspension column energy consumer, 11- bases reserving hole channel, 12- temporary supports bracket, 13- polymer mortars, 14- suspension columns energy consumption body, 15- steel Muscle sleeve, 16- high-strength grouts.
Specific embodiment
The utility model proposes prefabricated PC concrete frame frame system it is shown in Figure 1, including basis 5, it is prefabricated Column 1, composite beam 2, floor 3 and plug-in prefabricated panel 4.It is shown in Figure 2, wherein, prefabricated post 1 is prefabricated for single-layer or multi-layer building height A section without bracket prefabricated reinforced concrete column, the cast in place reinforced bar of beam prefabricated part 2.1 and top that composite beam 2 includes bottom mixes The beam overlapping layers 2.2 of soil is coagulated, beam prefabricated part 2.1 is whole prefabricated reinforced beam of intercolumniation, and the floor 3 is prefabricated folded Plywood, the floor overlapping layers 3.2 of the cast-in-place concrete of precast floor slab 3.1 and top including bottom.Precast floor slab 3.1 is pre- Prestressed hollow slab processed can be prefabricated circular hole slab, prefabricated special-shaped orifice plate or SPD plates.It is equipped in the hole of cassette ceiling attached Add reinforcing bar 3.4, precast floor slab 3.1 rides upon the upside of beam prefabricated part 2.1, and being covered in floor overlapping layers 3.2 has construction net Piece 3.3.Floor overlapping layers 3.2 and 2.2 formed by integrally casting of beam overlapping layers form, and the thickness of concrete is 40-150mm.It mixes the part Precast floor slab 3.1 and beam prefabricated part 2.1 are linked to be entirety by solidifying soil, form rigid integral cover or roof system.The utility model Generally secondary beam is no longer set in the system of proposition, is placed directly on girder across precast prestressed cored slab greatly.Plug-in dry wall Plate 4 uses prefabricated lightweight aggregate cell concrete cladding panel.
Shown in Figure 2, the composite beam two-way setting around prefabricated post is opened on lateral beam prefabricated part 2.1 Have pre- along beam along the perforation of precast beam level, the single girder pre-stressed duct 2a vertical with prefabricated post 1, the girder pre-stressed duct 2a The short transverse of part 2.1 processed is arranged on the lower part of precast beam, is provided with along precast beam level and passes through on longitudinal beam prefabricated part 2.1 Logical, the single girder pre-stressed duct vertical with prefabricated post 1, short transverse of the girder pre-stressed duct along beam prefabricated part 2.1 It is arranged on the lower part of precast beam.
It is provided in the prefabricated post 1 along the perforation of cylinder level, column prestressed pore passage 1a corresponding with girder pre-stressed duct 2a, The column prestressed pore passage 1a is identical with the size of girder pre-stressed duct 2a and is aligned setting, while elongated in two kinds of ducts is installed with The tendon 6 of continuous post-tensioned prestressing.
The column prestressed pore passage 1a is staggeredly arranged along the short transverse intersection of bean column node junction as spatial vertical Twice, the tendon 6 correspond to column prestressed pore passage 1a and are also provided with twice.
It is socketed between the beam prefabricated part 2.1 and prefabricated post 1 by the prestressing force applied on tendon 6, the beam The width of beam column seam between the plate end of pre-erection 2.1 and prefabricated post 1 is 10mm-30mm, passes through polymer mortar joint filling Bonding.
The tendon 6 is made of part unbonded prestressing tendon, including soap-free emulsion polymeization section 6.1 and span centre adhesive section 6.2, institute State span centre adhesive section 6.2 length be subject to can guarantee reinforcing bar in beam prefabricated part 2.1 fully anchor.
By running through prefabricated post 1 and anchoring into the combination steel of beam overlapping layers 2.2 between the prefabricated post 1 and beam overlapping layers 2.2 Muscle anchor connection, the combined reinforced bar include the energy consumption reinforcing bar 7 on upper strata and the shear reinforcement 8 of lower floor, and energy consumption reinforcing bar 7 is equipped with without viscous Tie section.
The energy consumption reinforcing bar 7 positioned at the tendon 6 in composite beam with being arranged in parallel.The energy consumption reinforcing bar 7 is along beam column The twice that the short transverse intersection of node point connection is staggeredly arranged as spatial vertical.Consume energy difference of the reinforcing bar according to soap-free emulsion polymeization position It is divided into two kinds of forms of the soap-free emulsion polymeization outside soap-free emulsion polymeization and cylinder in cylinder.
The shear reinforcement 8 with being arranged in parallel positioned at the tendon 6 in composite beam, shear reinforcement 8 include it is pre-buried simultaneously The shearing resistance anchoring shell of column 8.1 of cylinder is penetrated through, is further included and is fixedly connected with shearing resistance anchoring shell of column 8.1, anchors into roof beam overlapping layers 2.2 Interior shearing resistance anchoring beam section 8.2.The shearing resistance anchoring shell of column 8.1 and shearing resistance anchoring beam section 8.2 pass through column internal thread jointing 9 Mechanical connection, the length of the shearing resistance anchoring beam section 8.2 anchor into the length of beam overlapping layers 2.2 no more than energy consumption reinforcing bar 7.
The prefabricated post 1 is layered prefabricated, and intercolumniation bonding pad, the column of upper and lower two layers of prefabricated post 1 are avoided in bean column node bonding pad Body reinforcing bar is in the milk by reinforced bar sleeve 15 and connected, and is reserved with intercolumniation seam between upper and lower two layers of prefabricated post 1 and is passed through high-strength grouting Material 16 bonds.
The bottom of the bottom prefabricated post is equipped with the suspension column energy consumption body for being enclosed in around prefabricated post, being fixed at the top of basis 14, suspension column energy consumer is fixed in suspension column energy consumption body, and the suspension column energy consumer 10 can be suspension column reinforcing bar, small-sized buckling-restrained branch Support, Metallic damper or viscous damper.
The bottom cross-section of bottom prefabricated post expands the suspension column consumption to be formed and be enclosed in around prefabricated post, be fixed at the top of basis Energy body 14, the suspension column energy consumption body 14 is prefabricated together with bottom prefabricated post or is formed with foundation construction, the suspension column energy consumption body 14 On be vertically provided with annular and be distributed in basic reserving hole channel 11 on the outside of prefabricated post, be installed with interchangeable column in basic reserving hole channel 11 Foot reinforcing bar, suspension column reinforcing bar soap-free emulsion polymeization in suspension column energy consumption body 14, the suspension column reinforcing bar is fixedly connected with reinforcement foundation, described The top anchor of suspension column reinforcing bar is at the top of suspension column energy consumption body 14.
Referring to shown in Fig. 1-2, the plug-in prefabricated panel 4 is connect with prefabricated post 1 and/or composite beam 2, described plug-in prefabricated Wallboard 4 is connect with composite beam 2 using wet type or dry type connects, and the plug-in prefabricated panel 4 is connect with prefabricated post 1 using dry type. Wet type connection mode, that is, hanging plate stretches out reinforcing bar and is anchored in plate face cast-in-place concrete overlapping layers, and sliding support and height is set to adjust Section support, hanging plate are constructed simultaneously with agent structure;Dry type connection mode, that is, hanging plate is mounted on steel corbel by vertical supporting embedded part On, and rotational support is set to be connect with agent structure, hanging plate is installed after main structure construction.
Referring to shown in Fig. 3-6, if prefabricated post 1 is center pillar, it is related to node for a center pillar and the center pillar of four beam connections Beam-column connection, four beams connect four sides of main body respectively.The tendon 6 is through two of the energy consumption reinforcing bar 7 End, which extends, to be anchored into respectively in the beam overlapping layers 2.2 of both sides.Reinforcing bar 7 is consumed energy described in the present embodiment for unbonded reinforcement in column, It is provided in the prefabricated post 1 along the perforation of cylinder level, the column parallel with column prestressed pore passage 1a energy consumption duct 1b, the column energy consumption Elongated in the 1b of duct to be installed with unbonded reinforcement in column, unbonded reinforcement includes soap-free emulsion polymeization section 7.1 in column in the column, further includes column The end of interior unbonded reinforcement, which extends in the beam for anchoring into and being formed in beam overlapping layers 2.2, anchors into section 7.2, the column energy consumption duct 1b edges The short transverse of bean column node junction intersects the twice being staggeredly arranged as spatial vertical, and unbonded reinforcement corresponds to column in the column Energy consumption duct 1b is also configured as twice, and the column energy consumption duct 1b is staggeredly arranged along the short transverse intersection of bean column node junction For the twice of spatial vertical, unbonded reinforcement corresponds to column energy consumption duct 1b and is also configured as twice in the column.
Referring to shown in Fig. 5-6, the floor 3 is prefabricated superimposed sheet, and precast floor slab 3.1 and top including bottom show The floor overlapping layers 3.2 of pouring concrete, the precast floor slab 3.1 ride upon the upside of beam prefabricated part 2.1, and the floor is folded It closes layer 3.2 and 2.2 formed by integrally casting of beam overlapping layers to form, the precast floor slab 3.1 is cassette ceiling, in the hole of cassette ceiling Equipped with additional bar 3.4, the both ends of the additional bar respectively penetrate the docking area of adjacent two pieces of cassette ceilings, the floor overlapping Being covered in layer 3.2 has construction mesh sheet 3.3.
The plate end of the precast floor slab along its length is overlapped on the two neighboring beam prefabricated portion vertical with the plate end Point on, the lap of splice be not less than 60mm, the plate end side surface of precast floor slab along its width direction flush in hold level with both hands with the plate it is capable The side of beam prefabricated part.
Referring to shown in Fig. 7-8, if prefabricated post 1 is side column, it is related to node for a side column and the center pillar of three beam connections Beam-column connection, three beams connect three sides of main body respectively.Presstressed reinforcing steel anchor head 6a is provided on the outside of side column, it is described Presstressed reinforcing steel anchor head 6a abuts the outer surface of side column, the presstressed reinforcing steel anchor head 6a and post-tensioning no-cohesive prestressed reinforcement beam 6 Stretch out the part anchor connection outside column.The energy consumption reinforcing bar 7 is unbonded reinforcement in column, and outer end passes through anchor slab outside steel bar column 7a is anchored on the outside of column.
Referring to shown in Fig. 9-10, include during side column being single again if the prefabricated post 1 that beam-column connection is related to includes center pillar Cross-node structure is related to the beam-column connection that node is connected for a side column, a center pillar with six roots of sensation beam, wherein a beam is straight Center pillar and side column are connect in succession, and span centre adhesive section 6.2 is located at the middle part of this beam.
When the energy consumption reinforcing bar 7 is unbonded reinforcement outside column, including having outside soap-free emulsion polymeization section outside column grouted part, column and column Adhesive section.There is adhesive section outside the outer soap-free emulsion polymeization section of the column and column for the continuous reinforcing bar in beam overlapping layers, center pillar is outer without viscous Duan Yuliang overlapping layers soap-free emulsion polymeizations are tied, have adhesive section and beam overlapping layers to have bonding outside column.The column grouted part and the outer soap-free emulsion polymeization of column Section is mechanically connected by column internal thread jointing.When side column also uses unbonded reinforcement outside such column, column grouted part End is anchored in column inner bending.
The construction method of this prefabricated PC concrete frame frame system, construction procedure are as follows:
Step 1 produces prefabricated components in the factory:Prefabricated post 1, beam prefabricated part 2.1 and plug-in prefabricated panel 4 are produced, Shearing resistance anchoring shell of column 8.1 and column internal thread jointing 9 are wherein preset in prefabricated post 1.
Step 2, construction basis 5, the prefabricated post for bottom of then constructing make basic reserving hole channel 11 be aligned reinforcement foundation Link position, basic reserving hole channel 11 is interior to pass through suspension column reinforcing bar, and suspension column consumption is anchored at after suspension column reinforcing bar is connect with reinforcement foundation The top of energy body.
Step 3 installs temporary support bracket:In the prefabricated post 1 of bottom, the bottom of beam prefabricated part 2.1 to be installed Position installation temporary support bracket 12.
Step 4 installs the prefabricated post 1 on upper strata, is in the milk and connected by reinforced bar sleeve between prefabricated post, then in intercolumniation water High-strength grout is poured into carvel joint.
Step 5, mounting rail pre-erection:The mounting rail pre-erection 2.1 on temporary support bracket 12, makes girder pre-stressed Duct 2a alignment post prestressed pore passages 1a.
Step 6, in the position of span centre adhesive section 6.2, removal surrounding layer exposes the reinforcing bar of tendon, then by tendon 6 Alignment post prestressed pore passage 1a and girder pre-stressed duct 2a is simultaneously continuously penetrated to precalculated position.
Step 7 pours into 13 joint filling of adhesive mortar in beam column seam crossing and fills real bonding, and object mortar 13 to be polymerized reaches requirement After intensity, tension reinforcing steel bar beam.
The shearing resistance anchoring beam section 8.2 of shear reinforcement 8 and shearing resistance anchoring shell of column 8.1 are mechanically connected by step 8.
Step 9, according to the soap-free emulsion polymeization form construction energy consumption reinforcing bar 7 of energy consumption reinforcing bar 7 on beam prefabricated part 2.1.
Step 10 sequentially sets up precast floor slab 3.1, then in pair of precast floor slab 3.1 on beam prefabricated part 2.1 It connects area's hollow position and penetrates additional bar 3.4, in the upside constructing structure mesh sheet 3.3 of precast floor slab 3.1, additional bar 3.4 Diameter and spacing are determined by designing.
Step 11, formed by integrally casting beam overlapping layers 2.2 and floor are folded on beam prefabricated part 2.1 and precast floor slab 3.1 Close layer 3.2.
Step 12 repeats step 4 to step 11 until the construction of all beam columns is completed.
Step 13, installs plug-in prefabricated panel 4, and system construction is completed.
In other embodiments, suspension column energy consumer can also be small-sized buckling restrained brace or other metals consume It can device or viscous damper.It should be first by presstressed reinforcing steel adhesive section anti-corrosion separation layer and outer shield during construction part unbonded prestressing tendon Removal is covered, and handle its surface to make its recovery and the adhesive property between concrete and grouting material.Other soap-free emulsion polymeization section construction parties Method is identical with common soap-free emulsion polymeization binding prestress reinforcement.

Claims (9)

1. a kind of prefabricated PC concrete frame frame system, including basis(5), armored concrete prefabricated post(1), reinforcing bar mixes Coagulate the composite beam of soil(2), floor(3)With plug-in prefabricated panel(4), it is characterised in that:
The composite beam(2)Beam prefabricated part including bottom(2.1)With the beam overlapping layers of the cast-in-situ steel reinforced concrete at top (2.2), the composite beam two-way setting around prefabricated post, lateral beam prefabricated part(2.1)On be provided with along precast beam water Flat perforation and prefabricated post(1)Vertical single girder pre-stressed duct(2a), the girder pre-stressed duct(2a)Along beam prefabricated part (2.1)Short transverse be arranged on the lower part of precast beam, longitudinal beam prefabricated part(2.1)On be provided with along precast beam level and pass through Logical and prefabricated post(1)Vertical single girder pre-stressed duct, the girder pre-stressed duct is along beam prefabricated part(2.1)Height side To the lower part for being also disposed at precast beam,
The prefabricated post(1)On be provided with along cylinder level perforation, with girder pre-stressed duct(2a)Corresponding column prestressed pore passage (1a), the column prestressed pore passage(1a)With girder pre-stressed duct(2a)Size it is identical and be aligned setting, while two kinds of ducts The interior elongated tendon for being installed with continuous post-tensioned prestressing(6),
The column prestressed pore passage(1a)Intersect two to be staggeredly arranged as spatial vertical along the short transverse of bean column node junction Road, the tendon(6)Corresponding column prestressed pore passage(1a)It is also provided with twice,
The beam prefabricated part(2.1)With prefabricated post(1)Between by tendon(6)The prestressing force of upper application sockets, described Beam prefabricated part(2.1)Beam-ends and prefabricated post(1)Between beam column seam be bonded by polymer mortar joint filling,
The tendon(6)It is made of part unbonded prestressing tendon, including soap-free emulsion polymeization section(6.1)With span centre adhesive section(6.2), The span centre adhesive section(6.2)Length to can guarantee reinforcing bar in beam prefabricated part(2.1)Subject to interior abundant anchoring,
The prefabricated post(1)With beam overlapping layers(2.2)Between by running through prefabricated post(1)And anchor into beam overlapping layers(2.2)Group Bar Anchorage connection is closed, the combined reinforced bar includes the energy consumption reinforcing bar on upper strata(7)With the shear reinforcement of lower floor(8), consume energy reinforcing bar (7)Equipped with soap-free emulsion polymeization section.
2. prefabricated PC concrete frame frame system according to claim 1, it is characterised in that:The shear reinforcement (8)With the tendon in same a composite beam(6)It is arranged in parallel, shear reinforcement(8)Including pre-buried and penetrate through the shearing resistance of cylinder Anchor shell of column(8.1), further include and anchor shell of column with shearing resistance(8.1)It is fixedly connected, anchors into beam overlapping layers(2.2)Interior shearing resistance anchoring Beam section(8.2).
3. prefabricated PC concrete frame frame system according to claim 2, it is characterised in that:The shearing resistance anchor stud Section(8.1)Beam section is anchored with shearing resistance(8.2)Pass through column internal thread jointing(9)Mechanical connection, the shearing resistance anchor beam section (8.2)Length no more than energy consumption reinforcing bar(7)Anchor into beam overlapping layers(2.2)Length.
4. the prefabricated PC concrete frame frame system according to claim 1-3 any one, it is characterised in that:It is described Consume energy reinforcing bar(7)With the tendon in same a composite beam(6)It is arranged in parallel, the energy consumption reinforcing bar(7)Connect along bean column node The twice that the short transverse intersection at the place of connecing is staggeredly arranged as spatial vertical.
5. prefabricated PC concrete frame frame system according to claim 4, it is characterised in that:The energy consumption reinforcing bar (7)For unbonded reinforcement in column, the prefabricated post(1)On be provided with along cylinder level perforation, with column prestressed pore passage(1a)It is parallel Column energy consumption duct(1b), the column energy consumption duct(1b)It is interior it is elongated be installed with unbonded reinforcement in column, soap-free emulsion polymeization steel in the column Muscle includes soap-free emulsion polymeization section in column(7.1), further include unbonded reinforcement in column end extend anchor into beam overlapping layers(2.2)Interior formation Beam in anchor into section(7.2), the column energy consumption duct(1b)Along bean column node junction short transverse intersection be staggeredly arranged for The twice of spatial vertical, unbonded reinforcement corresponds to column energy consumption duct in the column(1b)It is also configured as twice.
6. the prefabricated PC concrete frame frame system according to claim 1,2,3 or 5 any one, feature exist In:The floor(3)For prefabricated superimposed sheet, the precast floor slab including bottom(3.1)With the floor of the cast-in-place concrete at top Overlapping layers(3.2), the precast floor slab(3.1)Ride upon beam prefabricated part(2.1)Upside, the floor overlapping layers (3.2)With beam overlapping layers(2.2)Formed by integrally casting forms, the precast floor slab(3.1)For cassette ceiling, the hole of cassette ceiling It is interior to be equipped with additional bar(3.4), the both ends of the additional bar respectively penetrate the docking area of adjacent two pieces of cassette ceilings, the floor Overlapping layers(3.2)Inside being covered with has construction mesh sheet(3.3).
7. prefabricated PC concrete frame frame system according to claim 6, it is characterised in that:The prefabricated post(1) It is layered prefabricated, intercolumniation bonding pad, upper and lower two layers of prefabricated post are avoided in bean column node bonding pad(1)Cylinder reinforcing bar pass through reinforced bar sleeve (15)Grouting connection, upper and lower two layers of prefabricated post(1)Between be reserved with intercolumniation seam and pass through high-strength grout(16)It bonds.
8. the prefabricated PC concrete frame frame system according to claim 1,2,3,5 or 7 any one, feature exist In:The bottom cross-section of bottom prefabricated post expands the suspension column energy consumption body to be formed and be enclosed in around prefabricated post, be fixed at the top of basis (14), the suspension column energy consumption body(14)It is prefabricated with together with bottom prefabricated post or formed with foundation construction.
9. prefabricated PC concrete frame frame system according to claim 8, it is characterised in that:The suspension column energy consumption body It is interior to be equipped with suspension column energy consumer(10), the suspension column energy consumer can be soap-free emulsion polymeization in suspension column energy consumption body suspension column reinforcing bar, it is small-sized bend Song constraint support, Metallic damper or viscous damper.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374205A (en) * 2019-08-09 2019-10-25 昌大建筑科技有限公司 A kind of concrete assembles the construction method of dry construction linked system entirely
CN110872868A (en) * 2019-11-08 2020-03-10 浙江中清大建筑产业化有限公司 Enhanced anchor-pulling type plate column node connecting device
CN111648467A (en) * 2020-06-22 2020-09-11 山东建筑大学 High-position splicing energy-consumption beam column node and manufacturing method
CN112081242A (en) * 2020-09-30 2020-12-15 东南大学 Assembled integral beam-column joint provided with shape memory alloy reinforcement and construction method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374205A (en) * 2019-08-09 2019-10-25 昌大建筑科技有限公司 A kind of concrete assembles the construction method of dry construction linked system entirely
CN110872868A (en) * 2019-11-08 2020-03-10 浙江中清大建筑产业化有限公司 Enhanced anchor-pulling type plate column node connecting device
CN110872868B (en) * 2019-11-08 2021-07-02 浙江中清大建筑产业化有限公司 Enhanced anchor-pulling type plate column node connecting device
CN111648467A (en) * 2020-06-22 2020-09-11 山东建筑大学 High-position splicing energy-consumption beam column node and manufacturing method
CN111648467B (en) * 2020-06-22 2021-07-13 山东建筑大学 High-position splicing energy-consumption beam column node and manufacturing method
CN112081242A (en) * 2020-09-30 2020-12-15 东南大学 Assembled integral beam-column joint provided with shape memory alloy reinforcement and construction method

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