CN108442612A - The standardization joint structure method of the horizontal longitudinal reinforcement connection of precast beam and anchoring - Google Patents
The standardization joint structure method of the horizontal longitudinal reinforcement connection of precast beam and anchoring Download PDFInfo
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- CN108442612A CN108442612A CN201810231635.0A CN201810231635A CN108442612A CN 108442612 A CN108442612 A CN 108442612A CN 201810231635 A CN201810231635 A CN 201810231635A CN 108442612 A CN108442612 A CN 108442612A
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- longitudinal reinforcement
- column
- precast beam
- prefabricated superposed
- standardization
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Abstract
The invention discloses the standardization joint structure methods of a kind of horizontal longitudinal reinforcement connection of precast beam and anchoring.Currently, the design of Prefabricated superposed beam component and make production, bar connecting, the tectonic sieving of anchoring and accessory at Prefabricated superposed beam cast-in-place node, precast beam unit assembling construction cannot standardize, generalization and socialization.The present invention includes Prefabricated superposed beam and column cross-section size, the standardization of arrangement of reinforcement arrangement, exposed steel bar length and the standardization of end processing, cast-in-place king post joint precast beam longitudinal reinforcement connection configures the standardization connection method of half grout sleeve of straight type using unitary nut bolt, at the cast-in-place node of precast beam and vertical member, longitudinal reinforcement plane of arrangement standardization to the pillar of fabricated construction, provides the standardised configuration method of bar connecting and anchoring.The present invention realizes construction standardization, generalization and the socialization that assembled arthitecutral structure Prefabricated superposed beam is connect with column, with the precast beam longitudinal reinforcement of shear wall cast-in-place node, longitudinal reinforcement anchors.
Description
Technical field
The present invention relates to assembled architecture Prefabricated superposed beam, the horizontal longitudinal reinforcement connection of specifically a kind of precast beam and
The standardization joint structure method of anchoring.
Background technology
Development assembled architecture is the major transformation of mode of construction, is conducive to save resources and energy, reduces construction environment
Pollution promotes labor productivity and quality safety level, may advantageously facilitate construction industry and information-based industrialization depth integration, training
The new kinetic energy of NPD projects is educated, neutralizing superfluous production capacity is pushed.Currently, Speed-up Establishment is needed to promote the design, construction, portion of building industrialization
The standards system of the links such as product component production, accelerates development component, component, the standardization of accessory, generalization and seriation, accelerates
Standardization, the socialization for promoting the prefabricated and mounting technology application of engineering, reach standardized designs, the factory's metaplasia of building
Production, prefabricated construction form the system integration of assembly architecture-integral.
Reinforced concrete buildings are the maximum building types of market accounting, and reinforced concrete frame structure is built in high level
Build, in tier building through frequently with, but due to the standardization of bar-reinforced concrete member, component, accessory and joint structure, be
Rowization and unitized technical progress are slow, and the popularization and application of assembled monolithic concrete structure suffer from bottleneck.Concrete
Tu Liang be assembled monolithic concrete structure building in through frequently with structural elements, the assembly node of precast beam and vertical member
Place, the connection of precast beam longitudinal reinforcement and the tectonic sieving and construction that anchor, at present by manually carrying out the secondary in-depth of structure
Design is split to complete, this secondary detailingi as a result, one being the section of precast beam, precast beam longitudinal reinforcement arrangement, longitudinal
Reinforcing steel bars exposed Design of length is all personalized, nonstandardized technique, causes precast beam making production that cannot standardize, generalization；Second is that
At the king post joint of precast beam-column, if column both sides precast beam longitudinal reinforcement, which uses, is anchored at the cast-in-place core space of king post joint
Mode, i.e. column both sides precast beam reinforced bar using dislocation anchor, often exist bar spacing cannot meet code requirement quality lack
It falls into, then to ensure effective spacing of dislocation longitudinal reinforcement, and needs to widen the cross-sectional width of precast beam and column, poor practicability, knot
This raising is constituted, dislocation anchoring structure design is personalized, nonstandardized technique；Third, at the king post joint of precast beam-column, if
For the horizontal longitudinal reinforcement of precast beam using mechanical connection processing mode, then connection at present designs the full grouting that length can only be used excessive
Branch sleeve, longitudinal reinforcement length is determining and the design that is located by connecting is also personalized, nonstandardized technique, also causes pillar cross-sectional length
It is required that increasing, poor practicability, link cost is high, causes the cast-in-place node rebar connecting technology Difficulty of precast beam-column；Fourth,
Beam-newel post and beam-special-shape column, beam-shear wall cast-in-place node at, when precast beam longitudinal reinforcement needs to anchor processing, use
The secondary in-depth tectonic sieving of Bar Anchorage mode and the anchoring piece application manually carried out is also personalized, nonstandardized technique.It is above-mentioned to ask
Topic causes the construction of bar connecting at the design of Prefabricated superposed beam component and making production, Prefabricated superposed beam cast-in-place node, anchoring to set
Meter and accessory, precast beam unit assembling construction cannot standardize, generalization, socialization.
This situation becomes precast beam unit design and makes production standardization, precast beam and vertical member cast-in-place node
The obstacle of tectonic sieving and construction standardization progress, so that popularization of the Prefabricated superposed beam in assembled monolithic concrete structure
Using being greatly affected, and the volume ratio that flooring Prefabricated superposed beam accounts for entire concrete structure is quite high, Prefabricated superposed beam
Popularization and application be conducive to improve the prefabricated rate of assembled monolithic concrete structure, while being also beneficial to prefabricated overlapping floorboard
It promoting and applying, the connection standard technology and longitudinal reinforcement of the horizontal longitudinal reinforcement of Prefabricated superposed beam anchor standardized technique,
The key technology applied as precast beam unit standardized and popularized in assembled monolithic concrete structure.
Invention content
The technical problems to be solved by the invention and the technical assignment of proposition be to the problems of the above-mentioned prior art into
It goes and improves and improve, a kind of horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam is provided, to realize
The fractionation design of assembled architecture Prefabricated superposed beam component and the processing life for making production, rebar connector and Rebar anchor
Production, standardization, seriation and the socialization of precast beam unit handling assembling construction.
For this purpose, the present invention takes technical solution below：The standardization section of the horizontal longitudinal reinforcement connection of precast beam and anchoring
Point building method comprising：
1) different building types are directed to, the standardized designs for providing corresponding Prefabricated superposed beam, column section are required according to modulus
Size；
2) according to precast beam axis and pillar, shear wall axis mutual alignment, according to the connection of precast beam longitudinal reinforcement or
The needs and beam section width dimensions size of anchoring are respectively same plane according to precast beam axis and pillar axis, prefabricated
Beam sides is same plane, precast beam axis and special-shape column with pillar side or shear wall axis is same plane, standardization
Provide diameter, radical and the bar spacing of Prefabricated superposed beam bottom level longitudinal reinforcement；
3) at the king post joint of precast beam-column, straight half grout sleeve of type is configured using standardized unitary nut bolt
Mode connects the horizontal longitudinal reinforcement of center pillar both sides precast beam, prefabricated using the internal thread connecting pole left side of unitary nut bolt
The horizontal longitudinal reinforcement of beam, the external screw thread of unitary nut bolt are connect with half grout sleeve left end internal thread of straight type, and straight type half fills
It starches sleeve right end and passes through the horizontal longitudinal reinforcement of precast beam on the right side of pressure grouting anchor connection column；
4) at the king post joint of precast beam-column, the standard that half grout sleeve of straight type is configured according to unitary nut bolt is long
Degree configures the installation positioning of half grout sleeve of straight type to unitary nut bolt and the longitudinal reinforcement protruded length of precast beam carries out
Standardization Order, i.e., it is horizontal longitudinal to precast beam horizontal longitudinal reinforcement exposed steel bar end, pillar right side precast beam on the left of pillar
Reinforcing steel bars exposed steel bar end is standardized positioning at a distance from pillar axis；
5) at the node of Prefabricated superposed beam-newel post, at the node of Prefabricated superposed beam-special-shape column, Prefabricated superposed beam-shearing
At wall node, the horizontal longitudinal reinforcement protruded length Standardization Order of prefabricated overlapping girder is certain value, prefabricated to this type folded
It closes beam arrangement of reinforcement length and carries out standardization setting；
6) at the cast-in-place king post joint of precast beam-column, when the both sides Prefabricated superposed beam bottom level longitudinal reinforcement radical of column
Difference, and when part of horizontal longitudinal reinforcement does not dock reinforcing bar, this part longitudinal reinforcement passes through steel screw shell in its end of thread
The anti-drag anchoring that corresponding reinforcing bar anchor head is standardized is connected, anti-drag anchoring will meet exposed longitudinal reinforcement and add steel thread bush
Total length >=0.4lab of the reinforcing bar anchor head of cylinder connectionEAnd the double control requirement of mast axis >=5d is crossed in anchor head end；
7) at cast-in-place newel post's node of precast beam-column, the bottom longitudinal reinforcement of Prefabricated superposed beam is connected using steel screw shell
The anti-drag anchoring that corresponding reinforcing bar anchor head is standardized is connect, anti-drag anchoring will meet exposed longitudinal reinforcement and add steel screw shell
Total length >=0.4lab of the reinforcing bar anchor head of connectionEAnd anchor head end is away from post exterior side longitudinal reinforcement inner edge distance≤50mm's
Double control requirement；
8) at the cast-in-place node of Prefabricated superposed beam-special-shape column and Prefabricated superposed beam-shear wall, the bottom of Prefabricated superposed beam is vertical
The standardization anchoring of corresponding reinforcing bar anchor head or upper 90-degree bent reinforcing bar is connected using steel screw shell to Bar Anchorage；
9) beam, column side are prefabricated at the cast-in-place node of conplane Prefabricated superposed beam-column and in same plane
Composite beam and special-shape column, shear wall cast-in-place node of same size at, for avoid the bottom level longitudinal reinforcement of precast beam with
The vertical longitudinal reinforcement generation collision of column, special-shape column, shear wall, standard is carried out to the horizontal longitudinal reinforcement of Prefabricated superposed beam bottom
Change positioning adjustment；
10) at for the Prefabricated superposed beam of different building types-column cast-in-place node, it is with mast axis according to beam axis respectively
Same plane, beam sides and column side are two kinds of situations of same plane, according to Prefabricated superposed beam width, beam bottom portion longitudinal reinforcement root
Number and arrangement, the requirement to collide is avoided according to specification to the horizontal longitudinal reinforcement of precast beam longitudinal reinforcement vertical with pillar,
For the vertical longitudinal reinforcement radical of different pillar sectional dimensions progress pillar, the standardized arrangement of position, corresponding precast beam is formed
The horizontal layout standard drawing of vertical equity reinforcing bar and the vertical longitudinal reinforcement of column ensures the work of prefabricated concrete structure cast-in-place node
Cheng Zhiliang.
The horizontal longitudinal reinforcement of precast beam connects at node, and straight half grout sleeve side of type is configured using unitary nut bolt
Formula can allow for the axis of two reinforcing bars of connection there are certain deviation, and unitary nut bolt divides with half grout sleeve of straight type
From guarantee Prefabricated superposed beam easily vertical handling, assembly has advantage same as full grout sleeve is used, and integral type
Nut bolt configures that the length after half grout sleeve of straight type is short compared with full grout sleeve by nearly 1/2, and light-weight, price is low, does not need
Increase column section, moreover it is possible to ensure that branch sleeve both ends have with column side at a distance from enough, meet code requirement, reduce building structure and make
Valence.
As the supplement of above-mentioned technical proposal, in 1), beam section width, height and pillar cross-sectional width, length use
Modulated dimension.Such as residential architecture, Prefabricated superposed beam width be 200,250,300mm, prefabricated depth of beam≤650mm；Secondary beam
Height regulation be less than precast main beam height 50mm；The width of the multispan precast beam of same axis, requirement for height are identical；According to weak
Liang Qiangzhu and detailing requiments, rectangle pillar width than beam width >=150mm；At beam-special-shape column and beam-shear wall node, in advance
The width of beam width processed and special-shape column either shear wall is usually identical to be also smaller than special-shape column or shear wall width 50mm.
As the supplement of above-mentioned technical proposal, in 2), Standardization Order Prefabricated superposed beam bottom level longitudinal reinforcement is straight
When diameter range of choice, after only longitudinal reinforcement arrangement of reinforcement diameter reaches maximum gauge when two, corner, it is further added by intermediate longitudinal reinforcement
Radical and diameter anchor number to reduce precast beam longitudinal reinforcement connection number and longitudinal reinforcement.
As the supplement of above-mentioned technical proposal, in 3), when the horizontal longitudinal reinforcement diameter of column both sides precast beam is identical, adopt
Straight half grout sleeve model of type is configured with the unitary nut bolt of respective diameters to be attached；When the level of column both sides precast beam
When longitudinal reinforcement diameter differs level-one, if the horizontal longitudinal reinforcement of column left side beam is thicker, selected according to left side bar diameter corresponding
The unitary nut bolt of model configures straight half grout sleeve of type；If the horizontal longitudinal reinforcement of column right side beam is thicker, according to right side
Bar diameter selects straight half grout sleeve of type of respective model, mating unitary nut bolt internal thread diameter to reduce level-one.
As the supplement of above-mentioned technical proposal, in 4), the reinforcing steel bars exposed length of same root beam the same end is identical, with reinforcing bar
Diameter is unrelated, depends on the cross-sectional length of pillar at node, and carrying out standardization to the horizontal longitudinal reinforcement length of Prefabricated superposed beam sets
It sets.
As the supplement of above-mentioned technical proposal, in 5), the horizontal longitudinal reinforcement exposed parts end of Prefabricated superposed beam
Standardization is as follows：
A) the longitudinal reinforcement exposed parts end of the left side precast beam of the cast-in-place king post joint of Prefabricated superposed beam-column according to
Bar diameter size processes the standard thread of required standard length, outside two corner longitudinal reinforcements of right side precast beam of king post joint
The end of dew part is not processed, remaining longitudinal reinforcement end processes the standard of required standard length according to bar diameter size
Screw thread；
B) at cast-in-place newel post's node of Prefabricated superposed beam-column, at the cast-in-place node of Prefabricated superposed beam-special-shape column, prefabricated folded
It closes at beam-shear wall cast-in-place node, the end of whole longitudinal reinforcement exposed parts of Prefabricated superposed beam is big according to bar diameter
The standard thread of small processing required standard length；
C) anchoring of prefabricated overlapping time beam steel is designed according to simply supported beam, and the end of longitudinal reinforcement exposed parts is not done
Processing；
D) it takes appropriate measures before Prefabricated superposed beam assembly and protects the screw thread of each steel bar end.
As the supplement of above-mentioned technical proposal, in 6), this part longitudinal reinforcement is according to it on the left of center pillar or right side
Exposed steel bar different length, the steel screw shell for the respective diameters being attached thereto, reinforcing bar anchor head are designed and are processed as standard
Accessory, steel screw shell is only related with the size of longitudinal reinforcement diameter plus the length of reinforcing bar anchor head, exposed vertical with precast beam
To reinforcing bar be pillar right end or left end it is related, and it is unrelated with pillar cross-sectional length size.
As the supplement of above-mentioned technical proposal, in 7), in the same end Column border node, the reinforcing bar anchor head length of different-diameter is all
It is identical, realize the standardization that precast beam is constructed in the cast-in-place node Bar Anchorage of newel post.
As the supplement of above-mentioned technical proposal, in 9), positioning adjustment is made pre- using hook form in the both ends of stirrup bottom
The central axes of beam are shifted in two corner longitudinal reinforcements in beam bottom portion processed and the binding positioning of upper row's lateral longitudinal muscle, it is made to adjust to rectangle
Column, special-shape column, shear wall vertical longitudinal reinforcement inside, ensure precast beam longitudinal reinforcement positioning meets code requirement, ensure
Precast beam longitudinal reinforcement is symmetrical, ensures the quality of cast-in-place node；When Prefabricated superposed beam and special-shape column, shear wall axis are same flat
Face, and when prefabricated beam width is less than special-shape column, shear wall's thickness and reaches 50mm, the corner of Prefabricated superposed beam, side longitudinal reinforcement
Do not do positioning adjustment in position.
As the supplement of above-mentioned technical proposal, by above-mentioned Prefabricated superposed beam in the connection of concrete cast-in-situ node longitudinal reinforcement and
The standardized method of anchoring structure is extended to assembled arthitecutral structure Prefabricated superposed beam and once splits in design software, by
While the standardization arrangement of reinforcement that software disposably completes Prefabricated superposed beam component splits design, software is also disposably completed prefabricated folded
Beam is closed to tear open with the standardised configuration that beam longitudinal reinforcement at vertical member (column, special-shape column, shear wall) cast-in-place node connect and anchors
Set up meter separately.Structure must be connected and anchor at present by the assembled architecture cast-in-place node precast beam longitudinal reinforcement being accomplished manually by substituting
The secondary in-depth made splits design.
The device have the advantages that as follows：
The present invention uses the standardised configuration that the horizontal longitudinal reinforcement of precast beam is connected and anchored at cast-in-place concrete node
Technology, and then above-mentioned standard joint structure technology can be extended to assembled arthitecutral structure Prefabricated superposed beam and once split
In design software, handled by software, while the output all number, sectional dimension of standardization Prefabricated superposed beam, arrangement of reinforcement,
Export the integral type of the longitudinal reinforcement protruded length of Prefabricated superposed beam, the screw thread setting of exposed steel bar end, connection longitudinal reinforcement
Nut bolt configures half grout sleeve model of straight type, the reinforcing bar anchor head model for anchoring longitudinal reinforcement, anchors the upper curved of longitudinal reinforcement
The anchor bar model of 90 ° of folding, and by the radical, diameter, position of the pillar longitudinal reinforcement intersected with precast beam, indulged according to pillar
Provide to draw pillar section construction drawing to the horizontal layout standard drawing of reinforcing bar, realize assembled arthitecutral structure Prefabricated superposed beam with
Column standardizes with the construction that the horizontal longitudinal reinforcement of the precast beam of shear wall cast-in-place node is arranged, connect, anchored, and then pushes dress
Design production, bar connecting and Bar Anchorage tectonic sieving, bar connecting and Bar Anchorage with formula Prefabricated superposed beam component
Standardization, seriation, the socialization of product accessories design production, Prefabricated superposed beam assembly construction etc..
Description of the drawings
Fig. 1 is that the beam section height differential of the prefabricated overlapping girder and prefabricated overlapping secondary beam of beam-column joint is intended to that (Fig. 1 b are
Sectional view at the 1-1 of Fig. 1 a)；
Based on Fig. 2, the Prefabricated superposed beam depth of section differential of secondary girder connection be intended to；
Fig. 3 be Prefabricated superposed beam and pillar relevant position schematic diagram (Fig. 3 a be beam, mast axis in the same plane, figure
3b be beam, column side in the same plane)；
Fig. 4 is the positioning of Prefabricated superposed beam longitudinal reinforcement end and the sleeve assembly connection diagram (figure of cast-in-place king post joint
4a is that Prefabricated superposed beam longitudinal reinforcement end positions sectional view, and Fig. 4 b are sleeve connection vertical view, and Fig. 4 c are sleeve connection section view
Figure)；
Fig. 5 is that in the anchoring schematic diagram of center pillar cast-in-place node, (Fig. 5 a, Fig. 5 b are left side to longitudinal reinforcement among Prefabricated superposed beam
Precast beam longitudinal reinforcement anchoring figure；Fig. 5 c, Fig. 5 d are right side precast beam longitudinal reinforcement anchoring figure)；
Fig. 6 is the thread size and assembling schematic diagram of steel screw shell, connection reinforcing bar, anchor head；
Fig. 7 is that Prefabricated superposed beam longitudinal reinforcement (is cutd open in the anchoring schematic diagram of newel post's cast-in-place node at the 1-1 that Fig. 7 a are Fig. 7 b
View)；
Fig. 8 is that in the anchoring schematic diagram of special-shape column, shear wall cast-in-place node, (Fig. 8 b are Fig. 8 a to Prefabricated superposed beam longitudinal reinforcement
1-1 at sectional view)；
Fig. 9 is the different cross section shape of special-shape column and the vertical view of the high size of limb；
Figure 10 is forward and reverse steel screw shell, (Figure 10 a are positive and negative to upper 90-degree bent anchor bar reverse thread schematic diagram
To steel screw shell, Figure 10 b are upper 90-degree bent anchor bar)；
Figure 11 is the connection of beam longitudinal reinforcement and hoop at cast-in-place node that beam column side is conplane Prefabricated superposed beam-column
Hook adjustment longitudinal reinforcement position view in muscle both ends (Figure 11 b are sectional view at the 1-1 of Figure 11 a)；
Figure 12 is the Prefabricated superposed beam with width in the beam longitudinal reinforcement anchoring of special-shape column, shear wall cast-in-place node and stirrup
Hook adjustment longitudinal reinforcement position view in both ends (Figure 12 b are sectional view at the 1-1 of Figure 12 a)；
Figure 13 is that Prefabricated superposed beam width is less than special-shape column, the beam longitudinal reinforcement position of shear wall width cast-in-place node and anchor
Gu schematic diagram (Figure 13 b are sectional view at the 1-1 of Figure 13 a)；
Figure 14 is the schematic diagram that integral type nut bolt configures half grout sleeve of straight type；
Figure 15 is the schematic diagram of integral type nut bolt；
Figure 16 is the schematic diagram of half grout sleeve of straight type.
In figure, 1- unitary nut bolts, 11- ontologies, 12- internal threads, 13- external screw threads；Half grout sleeves of 2-, 21-
Body, the 22- ends of thread, 23- grouting end, 24- grout holes, 25- annular projections；
The prefabricated overlapping girders of 3-, the prefabricated overlapping secondary beams of 4-, 5- center pillars, 6- columns, the prefabricated overlapping girder in the left sides 7-, the right sides 8- are pre-
System overlapping girder, the horizontal longitudinal reinforcement of 9- beams, 10- machinery anchor heads, 14- connection reinforcing bars, 15- screw shells, 16- cast-in-place nodes,
17- Special-Shaped Columns, 18- Prefabricated superposed beams, 19- construct muscle, 20- beam stirrups.
Specific implementation mode
The invention will be further described with specific implementation mode with reference to the accompanying drawings of the specification.
The standardised configuration method that the horizontal longitudinal reinforcement of precast beam is connected and anchored at cast-in-place concrete node, to realize
Standardised configuration, for different building types, it is specified that the standardized designs sectional dimension of Prefabricated superposed beam, column, using master die
Number, just like the shaped steel that beam, the column component of steel construction use standard section.Such as residential architecture：
(1) it is prefabricated overlapping girder width be 200,250,300,350mm, precast main beam height≤650mm；
(2) precast main beam height ensures the square crossing up and down of the pre-buried longitudinal reinforcement of girder secondary beam than secondary deck-molding 50mm；
(3) width of same axis multispan beam, height are identical, ensure that precast beam longitudinal reinforcement is connected in node；
(4) according to the requirement of the strong column of weak beam, while ensureing connection of the horizontal longitudinal reinforcement of precast beam in prefabricated beam-column joint
Or anchoring space, rectangle pillar width than beam width >=150mm；
(5) at beam-special-shape column and beam-shear wall node, prefabricated beam width and the width of special-shape column or shear wall are usual
It is identical, width 200,250,300mm, either less than special-shape column or the width 50mm or more of shear wall, precast main beam height
≤500mm；See Fig. 1-3.
The present invention is directed to different building types, according to precast beam axis and pillar, shear wall axis mutual alignment, according to steel
Muscle connect or anchoring needs and beam width size, Standardization Order Prefabricated superposed beam bottom level longitudinal direction embedded bar it is straight
Diameter, radical, spacing.Such as residential architecture, precast beam axis and pillar axis are same plane, at the bottom of when prefabricated beam width 200mm
Portion's horizontal reinforcement is single 2.Single when prefabricated beam width 250mm, a diameter of 25mm of bottom longitudinal reinforcement is 2, and bottom is vertical
When to bar diameter≤22mm, single is 3.When prefabricated beam width 300mm, single is 3.Prefabricated beam sides is with column side
When same plane, prefabricated beam width is necessary for 250,300mm, and single when bottom longitudinal reinforcement a diameter of 25mm is 2, and bottom is vertical
Single when to bar diameter≤20mm is 3.Precast beam axis is same plane, precast beam with special-shape column or shear wall axis
Single 2 of bottom longitudinal reinforcement when width is 200mm, bottom longitudinal reinforcement is 3 when width 250,300mm.Prefabricated overlapping
The selection mode of beam bottom portion longitudinal reinforcement diameter is that bar diameter range of choice is φ 14- φ 25, and two, corner reinforcing bar arrangement of reinforcement is straight
After diameter reaches maximum gauge, it is further added by intermediate reinforcing bar radical, area and diameter；Prefabricated overlapping secondary beam lower horizontal longitudinal reinforcement is straight
Diameter increases to φ 18 from φ 14.
At the king post joint of precast beam-column, using straight half filling of type of standardized unitary nut bolt configuration (connecting)
The longitudinal reinforcement of sleeve fashion (see Figure 14-16) connecting pole both sides precast beam is starched, branch sleeve allows the axis of two reinforcing bars to have
Certain deviation facilitates the handling of precast beam vertically in place, has advantage same as full grout sleeve, and also length sleeve
Shorter advantage (about the 1/2 of all steel muscle length sleeve), light-weight, price is low, need not increase column section.Unitary nut
Bolt is filled by the horizontal longitudinal reinforcement end of thread of precast beam on the left of internal thread connecting pole, half grout sleeve right end of straight type by pressure
Starch the horizontal longitudinal reinforcement of precast beam on the right side of anchor connection column.Unitary nut bolt configures the selection of half grout sleeve model of straight type
Mode is：If the longitudinal reinforcement diameter of two curb girders is identical, straight type half is configured using the unitary nut bolt of respective diameters and is filled
Slurry sleeve model is attached；(the regulation when the horizontal longitudinal reinforcement diameter of the prefabricated bottom girder in column both sides being connected differs level-one
Phase tolerace level-one), if column left side beam longitudinal reinforcement is thicker, corresponding I type integral type spiral shell is selected according to left side bar diameter
Female bolt configures straight half grout sleeve of type；If beam steel is thicker on the right side of column, corresponding II model is selected according to right side bar diameter
The external thread diameter of the unitary nut bolt of straight half grout sleeve of type of unitary nut bolt configuration, I type and II type is identical, and II
The internal thread diameter of type level-one smaller than I type, connect the length of unitary nut bolt of different-diameter reinforcing bar, internal diameter, outer diameter and
Reach (such as 1.5M, M are standard thread diameters, similarly hereinafter) setting is with reference to the following table 1.The length of straight half grout sleeve of type and its
Reach (such as 1.5M) setting is with reference to the following table 2.
External thread diameter, internal thread diameter and the reach setting of 1 unitary nut bolt of table
Note：The internal thread diameter of II type unitary nut bolt is compared with the small level-one of I type.
2 straight type of table, half grout sleeve length and reach setting
At the king post joint of precast beam-column, column both sides Prefabricated superposed beam longitudinal reinforcement is matched by unitary nut bolt
It sets half grout sleeve of straight type and is standardized connection, bar diameter is different, and the length scale of branch sleeve differs, installation positioning
It is standardized regulation according to the longitudinal reinforcement protruded length of precast beam, i.e., muscle exposed steel bar end is indulged to precast beam on the left of pillar
Precast beam is indulged muscle exposed steel bar end and is standardized at a distance from pillar axis on the left of positioning, such as column in advance on the right side of head, pillar
The short end steel bar end of beam processed is predetermined distance (such as 55mm) away from mast axis, and column is crossed in the long end bar end of column right side precast beam
Axis is predetermined distance (such as 45mm), and two steel bar ends connect at a distance of 10mm, the positioning of beam longitudinal reinforcement end and sleeve assembly
It is as shown in Figure 4 to connect signal.The reinforcing steel bars exposed length of same root beam the same end is identical, unrelated with bar diameter, is solely dependent upon node
Locate the cross-sectional length of pillar, pillar cross-sectional length is defined as modularization standard value, corresponding Prefabricated superposed beam longitudinal reinforcement length
For standard value.At the king post joint of precast beam-column, the horizontal longitudinal reinforcement connection of the Prefabricated superposed beam of column both sides uses integral type
Nut bolt connects straight half grout sleeve mode of type, two longitudinal reinforcement axis of connection allow certain deviation, facilitate it is prefabricated
While beam handling is vertically in place, also has length sleeve shorter, can guarantee that branch sleeve both ends have with column side at a distance from enough,
Meet code requirement, the following table 3 is bolted half grout sleeve institute of straight type for different-diameter reinforcing bar using above-mentioned unitary nut
It is required that column section minimum length and installation positioning two ends of sleeve at a distance from column side.
Table 3 is bolted the installation positioning of half grout sleeve of straight type (according to length with respect to the unitary nut of different-diameter reinforcing bar
End bar crosses column center 45mm) relative dimensions.
Except the standardization rule of the longitudinal reinforcement protruded length of the above-mentioned king post joint both sides precast beam to Prefabricated superposed beam-column
Fixed outer, at newel post's node of Prefabricated superposed beam-column, the protruded length of the whole horizontal longitudinal reinforcement of the bottom girder of Prefabricated superposed beam is equal
For standard value, such as 100mm；It is special-shaped at the node of Prefabricated superposed beam-special-shape column, at Prefabricated superposed beam-shear wall node
The longitudinal reinforcement protruded length of prefabricated overlapping girder in column, shear wall plane is standard value, for example, 100mm.To these
Prefabricated superposed beam longitudinal reinforcement length at node carries out standardization setting.
The horizontal longitudinal reinforcement exposed parts end of Prefabricated superposed beam is standardized：
(1) the longitudinal reinforcement exposed parts end of the left side precast beam of the king post joint of Prefabricated superposed beam-column is according to reinforcing bar
Diameter processes the standard thread of corresponding length (such as 1.5M), and the longitudinal reinforcement exposed parts end of the right side precast beam of node is removed
The end of the horizontal longitudinal reinforcement exposed parts in two corners can be not processed, remaining longitudinal reinforcement end adds according to bar diameter
The standard thread of work corresponding length (such as 1.5M).
(2) at newel post's node of Prefabricated superposed beam-column, the end of whole longitudinal reinforcement exposed parts of Prefabricated superposed beam is equal
According to the standard thread of bar diameter processing corresponding length (such as 1.5M).
(3) anchoring of the prefabricated overlapping at the prefabricated secondary girder connection of precast main beam-time beam steel is designed according to freely-supported, longitudinal
The end of reinforcing steel bars exposed part is not processed.
(4) at the cast-in-place node of Prefabricated superposed beam-special-shape column, at Prefabricated superposed beam-shear wall cast-in-place node, special-shape column,
The longitudinal reinforcement exposed parts end of prefabricated overlapping girder in shear wall plane processes corresponding length (example according to bar diameter
Such as 1.5M) standard thread.
(5) take appropriate measures protection steel bar end screw thread before Prefabricated superposed beam assembly, for example, by using softwood matter
Plastic clip, plastic sheath etc..
At the cast-in-place king post joint of precast beam-column, when column both sides Prefabricated superposed beam bottom level longitudinal reinforcement radical not
Together, when and part longitudinal reinforcement does not dock reinforcing bar, the standardization that this section bottom longitudinal reinforcement is anchored, this part
Longitudinal reinforcement connects reinforcing bar anchor head by steel screw shell in its end of thread and carries out anti-drag anchoring, as shown in figure 5, exposed longitudinal direction steel
Muscle plus steel screw shell connection reinforcing bar anchor head total length to meet code requirement >=0.4labE, while also meeting anchor
Cephalic par crosses the double control requirement of mast axis >=5d.Steel screw shell, connection reinforcing bar, the end anchor head of connection are designed and are processed as
Standard component, steel screw shell select respective model (including length and diameter), steel screw shell according to longitudinal reinforcement diameter
It is, for example, 3.0M to have internal thread, reach, and steel screw shell is rotatably mounted on the longitudinal reinforcement end not being correspondingly connected with, steel
The connection reinforcing bar of all screwed same diameter in screw shell other end precession both ends, the threaded one end length for connecting reinforcing bar are
Specified value (such as 1.5M), precession steel screw shell, other end reach are 1.0 times of bar diameters, and precession thickness is 1.0
Times bar diameter, tapped mechanical anchor head, the installation of steel screw shell and reinforcing bar anchor head can be lifted in precast beam advances
Row.As long as meeting the minimum pillar cross-sectional length size of different-diameter beam longitudinal reinforcement requirement in table 3, beam exposed steel bar adds steel
The length of sinew anchor head can ensure to be more than the 0.4lab that specification anchoring requiresE, and ensure that mast axis >=5d is crossed in anchor head end,
Steel screw shell, connection reinforcing bar, mechanical anchor head and the assembled signal of use are as shown in fig. 6, steel screw shell adds reinforcing bar anchor head
Length only it is related with the size of longitudinal reinforcement diameter, the exposed longitudinal reinforcement with precast beam is the right end or left end in pillar
It is related, and unrelated with pillar sectional dimension, therefore standard component can be processed as, at king post joint the connection reinforcing bar of anchor bar and
The size of mechanical anchor head is as shown in table 4.
The connection reinforcing bar of anchor bar and mechanical anchor head size at 4 king post joint of table
At cast-in-place newel post's node of precast beam-column, the bottom level longitudinal reinforcement of Prefabricated superposed beam anchors carry out standard
Change is handled, and the minimum length size in newel post section will meet the minimum pillar section of different-diameter beam longitudinal reinforcement requirement in table 3
Length dimension, the protruded length of the bottom level longitudinal reinforcement of Prefabricated superposed beam at newel post is specific length, such as
The standard thread (such as 1.5M) of specific length, precast beam longitudinal reinforcement length and end is all arranged in 100mm, exposed steel bar end
Processing is all standardization.Rotation installation standard steel screw shell, steel screw shell at the exposed ends screw of precast beam longitudinal reinforcement
The connection reinforcing bar of all screwed same diameter in other end precession both ends, the threaded one end length for connecting reinforcing bar are specified value
(such as 1.5M), precession steel screw shell, connection reinforcing bar other end reach are 1.0 times of bar diameters, and precession thickness is
1.0 times of bar diameters, tapped mechanical anchor head, Fig. 7 are anchoring of the Prefabricated superposed beam longitudinal reinforcement in newel post's cast-in-place node
The installation of schematic diagram, steel screw shell and reinforcing bar anchor head can carry out before precast beam lifts.To meet specification to newel post simultaneously
Precast beam longitudinal reinforcement straight line anchorage length >=0.4l at nodeabEAnd anchor head end is away from pillar longitudinal reinforcement inner edge distance≤50mm
Dual control though to require the diameter, it is specified that reinforcing bar, connection reinforcing bar be H-160mm plus the length of anchor head, when newel post cuts
When the length dimension H regulation in face is set as standard module size (such as 300,350,400,420,450,480,500,550,
600), and then the corresponding length of processing can be designed according to the various criterion cross-sectional length H of pillar for all diameter reinforcing bars
Reinforcing bar anchor head standard component realizes the standardization that precast beam is constructed in the cast-in-place node Bar Anchorage of newel post.With female
Steel screw shell length is specified value (such as 3.0M), is standard fitting.The different corresponding anchor bars of newel post cross-sectional length H
Diameter, reinforcing bar anchor head full-length are as shown in table 5 below, and mechanical anchor head outer diameter and thickness are as shown in table 4.
The 5 corresponding anchor bar diameters of difference newel post cross-sectional length H of table, reinforcing bar anchor head full-length
At the cast-in-place node of Prefabricated superposed beam-special-shape column and Prefabricated superposed beam-shear wall, the longitudinal reinforcement of Prefabricated superposed beam
Anchoring connects the anchorage style of upper 90-degree bent reinforcing bar by steel screw shell using standardization anchoring, i.e. longitudinal reinforcement, and Fig. 8 is
The anchoring that precast beam longitudinal reinforcement connects upper 90-degree bent reinforcing bar by steel screw shell is illustrated.The longitudinal reinforcement of Prefabricated superposed beam
Protruded length be unified for specified value, such as 100mm, exposed steel bar end be all arranged specific length standard thread (such as
1.5M), standardization is done.To ensure that Prefabricated superposed beam meets specification to longitudinal reinforcement straight line anchorage length >=0.4labE's
It is required that, it is specified that shaped columns limb is high, Fig. 9 is that shaped columns and the high scale diagrams of limb, precast beam difference longitudinal reinforcement are straight
The corresponding 0.4l of diameterabEAnd the desired high size of most micromelia is as shown in table 6 below：
The corresponding 0.4l of 6 precast beam difference longitudinal reinforcement diameter of tableabEAnd special-shape column limb is high
Also with specification to the regulation (800mm >=2 × 350mm) of shear wall cross section length >=800mm, specification can be met
To precast beam longitudinal reinforcement straight line anchorage length >=0.4labERequirement.Connected by steel screw shell using precast beam longitudinal reinforcement
The anchorage style for connecting 90-degree bent reinforcing bar avoids precast beam longitudinal reinforcement and steel occurs at special-shape column, shear wall cast-in-place node
The quality problems of muscle horizontal segment overlapping collision.The horizontal section length of standardized upper 90-degree bent anchor bar is (0.4labE
100), the length of vertical section is 15d, for example, anchor bar diameter 14mm, upper bending reinforcing steel bar horizontal section length 85mm, upper bending
The vertical segment length of reinforcing bar is 210mm；Bar diameter 25mm, upper bending reinforcing steel bar horizontal section length are 230mm, and upper bending reinforcing steel bar is vertical
Segment length is 375mm.The upper 90-degree bent anchor bar of corresponding different-diameter reinforcing bar, (0.4labE- 100) it is solid with 15d
Standard length is calibrated, it is all only related with the diameter of reinforcing bar, it is unrelated with the size of special-shape column, shear wall at node, it can process
For standard component, as shown in design table 7.To occur when avoiding precast beam the same end installation more upper 90-degree bent anchor bars of rotation
It collides, the steel screw shell of 90-degree bent reinforcing bar is designed as specific length (such as 1.5M+1.5M) in connection, and internal thread is divided into
For two sections of forward and reverse, several the elongated fins of sleeve outer wall setting for rotation, the precast beam longitudinal reinforcement end of thread and steel
Screw shell forward screw thread end connects, and steel screw shell reverse thread end and the reverse thread end of upper 90-degree bent anchor bar connect
It connects, when installation only needs to rotate steel screw shell, does not have to the upper 90-degree bent anchor bar of rotation, and Figure 10 is forward and reverse steel thread bush
Cylinder, the signal of upper 90-degree bent anchor bar reverse thread.Equally the metal bidirectional helical sleeve with forward and reverse internal thread can be added
Work is standard fitting, as shown in table 8, real at the cast-in-place node of Prefabricated superposed beam-special-shape column and Prefabricated superposed beam-shear wall
The standardization of the longitudinal reinforcement anchoring structure of existing Prefabricated superposed beam.
The standard size of the upper 90-degree bent anchor bar of 7 different-diameter of table
8 steel bidirectional helical sleeve standard size of table
Beam column side be conplane Prefabricated superposed beam-column cast-in-place node at and same plane in, with width
At Prefabricated superposed beam-special-shape column, Prefabricated superposed beam-shear wall cast-in-place node, to avoid the bottom level longitudinal reinforcement of precast beam
Generate collision with the vertical longitudinal reinforcement of rectangular column, special-shape column, shear wall, to the horizontal longitudinal reinforcement of Prefabricated superposed beam bottom into
Row standardization positioning adjustment, positioning adjustment is using hook form in the both ends of stirrup bottom, and stirrup and beam side surface are apart from constant, in advance
In stirrup in hook, the central axes of beam are shifted in positioning, it is made to adjust to abnormal shape for two corner longitudinal reinforcement bindings in beam bottom portion processed
Column, shear wall vertical longitudinal reinforcement inside.Figure 11 is beam column side in same plane, and precast beam is horizontal at cast-in-place node
Longitudinal reinforcement position adjusts and bar connecting schematic diagram, existing when Figure 12 is Prefabricated superposed beam and special-shape column, shear wall same width
Pour the adjustment of beam longitudinal reinforcement position and the anchoring schematic diagram of node.The distance of beam side surface to stirrup and construction muscle remains as
25mm, at this time if beam width and special-shape column, shear wall's thickness are 200mm, the bottom reinforcement bars of prefabricated bottom girder can only match 2.
Using hook form in the both ends of stirrup bottom, ensures that reinforcing bar positioning meets code requirement, ensure that precast beam longitudinal reinforcement is symmetrical, protect
Demonstrate,prove reinforcing bar alignment quality at cast-in-place node.Prefabricated superposed beam and special-shape column, shear wall same plane, same axis, and precast beam
When width is less than special-shape column, shear wall's thickness reaches 50mm, the corner of prefabricated bottom girder, side longitudinal direction reinforcement location are not done positioning and are adjusted
It is whole.
It is same according to beam axis and mast axis respectively at Prefabricated superposed beam-column cast-in-place node of different building types
Plane, beam sides and column side are two kinds of situations of same plane, are hung down to the horizontal longitudinal reinforcement of precast beam and pillar according to specification
Straight longitudinal reinforcement avoids the requirement to collide, for Prefabricated superposed beam bottom girder width, longitudinal reinforcement radical and arrangement, and
It is vertical to carry out corresponding situation precast beam level for the longitudinal reinforcement radical of difference pillar sectional dimension and pillar at beam-column cast-in-place node
To the standardization horizontal layout of reinforcing bar longitudinal reinforcement vertical with pillar, it is horizontal to form complete assembled cast-in-place node precast beam
Vertical muscle and column vertically indulge the horizontal layout standard drawing of muscle, precast beam unit longitudinal reinforcement layout design, cast-in-place or prefabricated column
Component longitudinal reinforcement layout design follows standard drawing regulation, and the standardization fractionation for carrying out prefabricated components and cast-in-place node is set
Meter, ensures the construction quality of cast-in-place node.
The standardized method technology that above-mentioned cast-in-place node Prefabricated superposed beam longitudinal reinforcement is connected and anchored, further expands
It is applied to assembled arthitecutral structure Prefabricated superposed beam and once splits design software (such as pkpm- of Beijing Gou Li Science and Technology Ltd.s
Pc softwares) in, software disposably complete Prefabricated superposed beam component size, intensities normalised fractionation design while, also by
Software disposably completes the horizontal longitudinal reinforcement connection standard of Prefabricated superposed beam at cast-in-place node and horizontal longitudinal reinforcement anchoring structure
It makes standardization and splits design, while the output all number, sectional dimension of standardization Prefabricated superposed beam, arrangement of reinforcement, output is pre-
The longitudinal reinforcement length of composite beam processed, the screw thread setting of exposed steel bar end, the unitary nut bolt company for connecting longitudinal reinforcement
Connect the upper bending of half grout sleeve model of straight type, the reinforcing bar anchor head model, the horizontal longitudinal reinforcement of anchoring of the horizontal longitudinal reinforcement of anchoring
90 ° of anchor bar model, and by the radical, diameter, position of the pillar longitudinal reinforcement intersected with precast beam, according to pillar longitudinal direction
The horizontal layout standard drawing of reinforcing bar provides, draws pillar section construction drawing.It solves currently to calculate in reinforced concrete buildings
After analysis software completes beam internal force, intensive analysis design, then by designer for precast beam longitudinal reinforcement length, cast-in-place
The assembly connection of the horizontal longitudinal reinforcement of precast beam, anchoring carry out the secondary artificial Deepen Design of fractionation at node, i.e., personalized, nonstandard
Standardization designs, and in turn results in nonstandardized technique precast beam unit and accessory production, the precast beam handling of nonstandardized technique and node assembly
Construction causes cost to increase the series of problems that efficiency reduces.
As illustrated in figures 14-16, half grout sleeve 2 of straight type includes the cylinder 21 of straight, and one end of the cylinder 21 is
If the female end of thread 22, the other end is grouting end 23, and the end face outside opening at the grouting end 23 is right prefabricated for being inserted into
The horizontal longitudinal reinforcement of composite beam；The unitary nut bolt 1 includes ontology 11 and sets internal thread 12 on the body and outer
Screw thread 13, the internal thread 12 is for the threaded connection with the horizontal longitudinal reinforcement end of left Prefabricated superposed beam, the outer spiral shell
Line 13 with the internal thread of the end of thread 22 for connecting.12 front end of internal thread of the unitary nut bolt 1 and unitary nut
The inner face of bolt 1 flushes, and forms straight through-hole.
It should be noted that the above list is only specific embodiments of the present invention, it is clear that the present invention is not limited to implement above
Example has many similar variations therewith.If those skilled in the art directly exports or joins from present disclosure
All deformations expected, are within the scope of protection of the invention.
Claims (10)
1. the standardization joint structure method of the horizontal longitudinal reinforcement connection of precast beam and anchoring, which is characterized in that including：
1) different building types are directed to, the standardized designs size for providing corresponding Prefabricated superposed beam, column section is required according to modulus；
2) it according to precast beam axis and pillar, shear wall axis mutual alignment, is connected or is anchored according to precast beam longitudinal reinforcement
Needs and beam section width dimensions size, be respectively same plane, precast beam side according to precast beam axis and pillar axis
Face is same plane, precast beam axis and special-shape column with pillar side or shear wall axis is same plane, Standardization Order
Diameter, radical and the bar spacing of Prefabricated superposed beam bottom level longitudinal reinforcement；
3) at the king post joint of precast beam-column, straight half grout sleeve mode of type is configured using standardized unitary nut bolt
The horizontal longitudinal reinforcement for connecting center pillar both sides precast beam utilizes precast beam water on the left of the internal thread connecting pole of unitary nut bolt
Flat longitudinal reinforcement, the external screw thread of unitary nut bolt are connect with half grout sleeve left end internal thread of straight type, and straight type is partly in the milk set
Cylinder right end passes through the horizontal longitudinal reinforcement of precast beam on the right side of pressure grouting anchor connection column；
4) at the king post joint of precast beam-column, the full-length of half grout sleeve of straight type is configured according to unitary nut bolt, it is right
Unitary nut bolt configures the installation positioning of half grout sleeve of straight type and the longitudinal reinforcement protruded length of precast beam carries out standard
Change regulation, i.e., to precast beam horizontal longitudinal reinforcement exposed steel bar end, the pillar right side horizontal longitudinal reinforcement of precast beam on the left of pillar
Exposed steel bar end is standardized positioning at a distance from pillar axis；
5) at the node of Prefabricated superposed beam-newel post, at the node of Prefabricated superposed beam-special-shape column, Prefabricated superposed beam-shear wall section
At point, the horizontal longitudinal reinforcement protruded length Standardization Order of prefabricated overlapping girder is certain value, to this type Prefabricated superposed beam
Prefabricated arrangement of reinforcement length carry out standardization setting；
6) at the cast-in-place king post joint of precast beam-column, when the both sides Prefabricated superposed beam bottom level longitudinal reinforcement radical of column is different,
And part of horizontal longitudinal reinforcement is not when docking reinforcing bar, this part longitudinal reinforcement passes through steel screw shell in its end of thread and connects phase
The anti-drag anchoring that the reinforcing bar anchor head answered is standardized, anti-drag anchoring will meet exposed longitudinal reinforcement and be connected plus steel screw shell
Reinforcing bar anchor head total length >=0.4labEAnd the double control requirement of mast axis >=5d is crossed in anchor head end；
7) at cast-in-place newel post's node of precast beam-column, the bottom longitudinal reinforcement of Prefabricated superposed beam connects phase using steel screw shell
The anti-drag anchoring that the reinforcing bar anchor head answered is standardized, anti-drag anchoring will meet exposed longitudinal reinforcement and be connected plus steel screw shell
Reinforcing bar anchor head total length >=0.4labEAnd dual control of the anchor head end away from post exterior side longitudinal reinforcement inner edge distance≤50mm
System requires；
8) at the cast-in-place node of Prefabricated superposed beam-special-shape column and Prefabricated superposed beam-shear wall, the bottom longitudinal direction steel of Prefabricated superposed beam
Muscle anchoring connects the standardization anchoring of corresponding reinforcing bar anchor head or upper 90-degree bent reinforcing bar using steel screw shell；
9) beam, column side are the prefabricated overlapping at the cast-in-place node of conplane Prefabricated superposed beam-column and in same plane
Beam and special-shape column, shear wall cast-in-place node of same size at, to avoid the bottom level longitudinal reinforcement of precast beam and column, different
The vertical longitudinal reinforcement generation collision of type column, shear wall, it is fixed to be standardized to the horizontal longitudinal reinforcement of Prefabricated superposed beam bottom
Position adjustment；
10) it is respectively same with mast axis according to beam axis at for the Prefabricated superposed beam of different building types-column cast-in-place node
Plane, beam sides and column side be two kinds of situations of same plane, according to Prefabricated superposed beam width, beam bottom portion longitudinal reinforcement radical and
Arrangement, the requirement to collide is avoided according to specification to the horizontal longitudinal reinforcement of precast beam longitudinal reinforcement vertical with pillar, for
Different pillar sectional dimensions carry out the vertical longitudinal reinforcement radical of pillar, position standardized arrangement, it is longitudinal to form corresponding precast beam
The horizontal layout standard drawing of horizontal reinforcement and the vertical longitudinal reinforcement of column.
2. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 1), beam section width, height and pillar cross-sectional width, length use modulated dimension.
3. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 2), when Standardization Order Prefabricated superposed beam bottom level longitudinal reinforcement diameter range of choice, only works as corner
After two longitudinal reinforcement arrangement of reinforcement diameters reach maximum gauge, it is further added by intermediate longitudinal reinforcement radical and diameter.
4. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 3), when the horizontal longitudinal reinforcement diameter of column both sides precast beam is identical, using the unitary nut of respective diameters
Bolt configures straight half grout sleeve model of type and is attached；When the horizontal longitudinal reinforcement diameter of column both sides precast beam differs level-one
When, if the horizontal longitudinal reinforcement of column left side beam is thicker, the unitary nut bolt of respective model is selected according to left side bar diameter
Configure half grout sleeve of straight type；If the horizontal longitudinal reinforcement of column right side beam is thicker, respective model is selected according to right side bar diameter
Half grout sleeve of straight type, the internal thread diameter of mating unitary nut bolt reduces level-one.
5. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 4), the reinforcing steel bars exposed length of same root beam the same end is identical, unrelated with bar diameter, depends at node
The cross-sectional length of pillar carries out standardization setting to the horizontal longitudinal reinforcement length of Prefabricated superposed beam.
6. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 5), the standardization of the horizontal longitudinal reinforcement exposed parts end of Prefabricated superposed beam is as follows：
A) the longitudinal reinforcement exposed parts end of the left side precast beam of the cast-in-place king post joint of Prefabricated superposed beam-column is according to reinforcing bar
Diameter processes the standard thread of required standard length, two exposed portions of corner longitudinal reinforcement of right side precast beam of king post joint
The end divided is not processed, remaining longitudinal reinforcement end processes the standard spiral shell of required standard length according to bar diameter size
Line；
B) at cast-in-place newel post's node of Prefabricated superposed beam-column, at the cast-in-place node of Prefabricated superposed beam-special-shape column, Prefabricated superposed beam-
At shear wall cast-in-place node, the end of whole longitudinal reinforcement exposed parts of Prefabricated superposed beam is processed according to bar diameter size
The standard thread of required standard length；
C) anchoring of prefabricated overlapping time beam steel is designed according to simply supported beam, and the end of longitudinal reinforcement exposed parts, which is not done, to be located
Reason；
D) it takes appropriate measures before Prefabricated superposed beam assembly and protects the screw thread of each steel bar end.
7. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
Be characterized in that, in 6), this part longitudinal reinforcement according to it on the left of center pillar or the exposed steel bar different length on right side, will be even
Respective diameters steel screw shell, the reinforcing bar anchor head connect, which designs, is processed as standard fitting, and steel screw shell is plus reinforcing bar anchor head
Length is only related with the size of longitudinal reinforcement diameter, and the exposed longitudinal reinforcement with precast beam is that have in the right end or left end of pillar
It closes, and it is unrelated with pillar cross-sectional length size.
8. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, it is all identical in the reinforcing bar anchor head length of the same end Column border node, different-diameter in 7), realize precast beam in newel post
Cast-in-place node Bar Anchorage construction standardization.
9. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, in 9), positioning adjustment makes the precast beam bottom corners Liang Gen longitudinal direction steel using hook form in the both ends of stirrup bottom
The central axes of beam are shifted in muscle and the binding positioning of upper row's lateral longitudinal muscle, so that it is adjusted to rectangular column, special-shape column, the vertical of shear wall and are indulged
To the inside of reinforcing bar；When Prefabricated superposed beam and special-shape column, shear wall axis are same plane, and prefabricated beam width is less than abnormal shape
When column, shear wall's thickness reach 50mm, positioning adjustment is not done in the corner of Prefabricated superposed beam, side longitudinal direction reinforcement location.
10. horizontal standardization joint structure method longitudinal reinforcement connection and anchored of precast beam according to claim 1,
It is characterized in that, above-mentioned Prefabricated superposed beam is connected into the standardized method with anchoring structure in concrete cast-in-situ node longitudinal reinforcement,
It is extended to assembled arthitecutral structure Prefabricated superposed beam once to split in design software, prefabricated overlapping is disposably completed by software
While the standardization arrangement of reinforcement of beam splits design, software also disposably completes Prefabricated superposed beam and vertical member cast-in-place node
The standardised configuration for locating the connection of beam longitudinal reinforcement and anchoring splits design.
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| CN201810231635.0A CN108442612B (en) | 2018-03-20 | 2018-03-20 | Standardized node construction method for connecting and anchoring horizontal and longitudinal steel bars of precast beam |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203462654U (en) * | 2013-08-29 | 2014-03-05 | 西安工业大学 | Machinery anchoring structure for reinforcing steel bar |
| CN103758291A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type semi-grouting sleeve |
| CN103882995A (en) * | 2014-03-19 | 2014-06-25 | 中国建筑第七工程局有限公司 | Assembling type building bracket-free concrete beam steel column connecting joint |
| CN204850069U (en) * | 2015-08-12 | 2015-12-09 | 四川省建筑设计研究院 | Prefabricated beam column connected node among assembled concrete building |
| CN105201148A (en) * | 2014-06-26 | 2015-12-30 | 北京市建筑工程研究院有限责任公司 | Split-type steel bar-sleeve semi-grouting joint |
| CN105863046A (en) * | 2016-05-05 | 2016-08-17 | 四川省第四建筑工程公司 | Prefabricated assembly type beam column joint connecting process |
| JP2016151087A (en) * | 2015-02-16 | 2016-08-22 | ジオスター株式会社 | Connection method |
| CN205875417U (en) * | 2016-08-15 | 2017-01-11 | 陕西建工第一建设集团有限公司 | Construction structures is connected with pre -buried straight screw sleeve to rearmounted girder iron muscle |
| CN205935417U (en) * | 2016-07-08 | 2017-02-08 | 北京建筑大学 | Take half grout sleeve of threaded connection spare |
| CN106759933A (en) * | 2017-01-18 | 2017-05-31 | 成张佳宁 | Prefabricated post composite beam intermediate layer interior joint connection method in assembled RC frame-shear structures |
-
2018
- 2018-03-20 CN CN201810231635.0A patent/CN108442612B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203462654U (en) * | 2013-08-29 | 2014-03-05 | 西安工业大学 | Machinery anchoring structure for reinforcing steel bar |
| CN103758291A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type semi-grouting sleeve |
| CN103882995A (en) * | 2014-03-19 | 2014-06-25 | 中国建筑第七工程局有限公司 | Assembling type building bracket-free concrete beam steel column connecting joint |
| CN105201148A (en) * | 2014-06-26 | 2015-12-30 | 北京市建筑工程研究院有限责任公司 | Split-type steel bar-sleeve semi-grouting joint |
| JP2016151087A (en) * | 2015-02-16 | 2016-08-22 | ジオスター株式会社 | Connection method |
| CN204850069U (en) * | 2015-08-12 | 2015-12-09 | 四川省建筑设计研究院 | Prefabricated beam column connected node among assembled concrete building |
| CN105863046A (en) * | 2016-05-05 | 2016-08-17 | 四川省第四建筑工程公司 | Prefabricated assembly type beam column joint connecting process |
| CN205935417U (en) * | 2016-07-08 | 2017-02-08 | 北京建筑大学 | Take half grout sleeve of threaded connection spare |
| CN205875417U (en) * | 2016-08-15 | 2017-01-11 | 陕西建工第一建设集团有限公司 | Construction structures is connected with pre -buried straight screw sleeve to rearmounted girder iron muscle |
| CN106759933A (en) * | 2017-01-18 | 2017-05-31 | 成张佳宁 | Prefabricated post composite beam intermediate layer interior joint connection method in assembled RC frame-shear structures |
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| Publication number | Publication date |
|---|---|
| CN108442612B (en) | 2020-11-06 |
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