CN105908977B - Joint bar constructing structure and method - Google Patents
Joint bar constructing structure and method Download PDFInfo
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- CN105908977B CN105908977B CN201610405076.1A CN201610405076A CN105908977B CN 105908977 B CN105908977 B CN 105908977B CN 201610405076 A CN201610405076 A CN 201610405076A CN 105908977 B CN105908977 B CN 105908977B
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- 238000000034 method Methods 0.000 title description 21
- 238000010276 construction Methods 0.000 claims abstract description 40
- 239000004567 concrete Substances 0.000 claims description 65
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000007704 transition Effects 0.000 description 42
- 230000003014 reinforcing effect Effects 0.000 description 24
- 238000009434 installation Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000011065 in-situ storage Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of joint bar constructing structures, including being inserted into the joint bar to be positioned of wall and the joint bar positioning device on joint bar top to be positioned being arranged in, the joint bar positioning device includes positioning body, the positioning body is equipped with agrees with the location hole plugged and several channels of vibrating passed through for vibrating spear for joint bar to be positioned one by one, and the joint bar positioning device is arranged in concreting finished surface or more.The invention also discloses a kind of joint bar construction methods using above-mentioned joint bar constructing structure.Joint bar construction is carried out through the invention, can guarantee that concreting finished surface joint bar below can be installed accurately, is thus accurately installed and is connect with superstructure conducive to wall.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of joint bar constructing structure and method.
Background technique
Joint bar is that do not have similar component or superstructure reinforcing bar radical more in basal layer or understructure and superstructure
The reserved steel bar in understructure is needed to protrude into superstructure component similar with superstructure when the reinforcing bar radical of understructure
Overlapped reinforcing bar.Joint bar is divided into the basic joint bar of vertical member and joint bar when vertical member variable cross-section needs to anchor substantially.
In existing building structure, usually before basis or understructure carry out concreting, according to designing
Construction blueprint determine joint bar position, joint bar is directly then carried out by joint bar position line, the reinforcing bar lower part of insertion is using certain
Fixed structure be connected firmly；It is either previously inserted reinforcing bar and constitutes prefabricated components.Above-mentioned joint bar construction can only be generally applicable in
In the project situation not high to joint bar required precision, such as some traditional cast-in-place concrete structures；And joint bar precision is wanted
Higher project situation is sought, above-mentioned joint bar construction obviously can no longer meet the requirement of these project situations, especially in recent years
Carry out assembled monolithic concrete structure in modern civil engineering using more and more extensive situation, the requirement of joint bar construction precision
It is higher and higher therewith.
Assembled monolithic concrete structure is to be answered in advance by precast concrete or component by reinforcing bar, connector or application
The advantages of power is connected and poured in place concrete, combines both cast-in-place monolithic construction and prefabricated construction,
Template is saved, reduces engineering cost, and the globality and shock resistance of engineering can be improved.Assembled monolithic concrete structure is general
There are two types of situation, when floor is skyscraper, assembled monolithic concrete structure mainly include lower layer's cast-in-place concrete structure,
Upper layer prefabricated concrete structure and it is set to transition zone between the two, wherein transition zone is as lower layer's cast-in-place concrete knot
The conversion layer of structure and upper layer prefabricated concrete structure is using cast-in-place concrete structure；When floor is low-rise building or multilayer
When building, assembled monolithic concrete structure includes basal layer, upper layer prefabricated concrete structure, and basal layer uses cast-in-place coagulation
Soil structure.In above two assembled monolithic concrete structure, the prefabricated components energy of upper layer prefabricated concrete structure is constituted
No smooth installation directly depends on the construction quality of transition layer structure or base layer structure, therefore assembled monolithic concrete structure
The joint bar construction precision of joint bar construction precision or basal layer for transition zone requires to want compared to traditional joint bar construction precision
Ask high, technical requirements are also more harsh.Since joint bar construction quality directly affects the installation of upper layer prefabricated components, such as
Fruit transition zone joint bar constructing structure or basal layer joint bar constructing structure inaccuracy, will lead to upper layer prefabricated components can not be successfully installation
Or cause wall entirety positioning to deform, therefore need at present a kind of joint bar constructing structure that can be improved joint bar construction precision and
Method.
Chinese patent literature CN205012665U discloses a kind of temporary fastening device of concrete walls joint bar, including respectively
It is close proximity on the outside of interior socket muscle and the twice that are arranged on the outside of outlet joint bar is along wall direction locating rod, positioned described in per pass along wall direction
It is fixed with the vertical wall direction fixed link that multiple tracks is spaced apart from each other on the inside of bar, vertical wall direction fixed link is perpendicular to the suitable wall
Direction locating rod, and it is close proximity to joint bar, vertical wall direction fixed link and the suitable wall direction fixed link binding are in joint bar；
The vertical wall direction drawknot bar that multiple tracks is spaced apart from each other, the vertical wall are fixedly connected between suitable wall direction locating rod described in twice
Direction drawknot bar is perpendicular to the suitable wall direction locating rod.In addition to this it also discloses in the patent document by concrete walls joint bar
Temporary fastening device constitute joint bar constructing structure, after the temporary fastening device of concrete walls joint bar is completed, in reinforcing bar
After the completion of concrete walls joint bar, before concreting completion, this device binding and fixing is being higher than concrete surface to be poured
On joint bar.Although the joint bar constructing structure can avoid reinforcing bar from deforming to a certain extent, there are the following problems: the
One, it needs to be bound one by one between vertical wall direction fixed link and suitable wall direction fixed link and joint bar, so that device is integrally pacified
Assembling structure complexity is time-consuming, and it is also inconvenient that construction personnel operates, and the incorrect situation of device installation site once occurs,
It needs an a pair of above-mentioned binding structure to be unbinded again, seriously delays project progress；Second, vertical wall direction fixed link and Shun Qiang
The binding structure fixing intensity used between direction fixed link and joint bar is general, joint bar only some be to abut against vertical wall side
To in fixed link, once encountering concrete over vibration situation, binding structure is still easy to loosen, inevitably occur
The situation of joint bar displacement and deformation finally still will cause the wall positioning deformation of composition, and ideal joint bar positioning effect is not achieved
Fruit.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of joint bar construction knot that can be improved joint bar construction precision
Structure and method.
In order to solve above-mentioned prior art problem, the present invention is implemented with the following technical solutions:
Joint bar constructing structure of the present invention, including being inserted into the joint bar to be positioned of wall and joint bar top to be positioned being arranged in
Joint bar positioning device, the joint bar positioning device includes positioning body, and the positioning body is equipped with for joint bar to be positioned one by one
Agree with the location hole plugged and several channels of vibrating passed through for vibrating spear, the joint bar positioning device is arranged in concrete
Pour finished surface or concreting finished surface or more.The configuration of the present invention is simple, it is only necessary to it is fixed that joint bar to be positioned be agreed with into insertion
Position hole, then according to the installation site of actual use situation adjustment joint bar positioning device, the location hole agreed with can be limited circumferentially
Joint bar position prevents joint bar to be subjected to displacement in subsequent concreting process and deformation, thus accurately positions to joint bar,
Channel of vibrating can pass through to facilitate in the casting process of later period concrete for vibrating spear and uniformly vibrate to concrete, in the present invention
Joint bar positioning device is the structure being independently arranged relative to template used in concreting process, therefore can freely be installed
And dismounting completes the setting of joint bar positioning device in concreting it is possible thereby to realize the recycling of joint bar positioning device
Thus face or more is conducive to wall and upper layer thus, it is possible to guarantee that mixed insertion muscle positioning device joint bar below can be installed accurately
Structure accurately installs connection, and joint bar to be positioned agrees with insertion location hole, and agreeing with is to refer to guarantee joint bar positioning device in joint bar
On stablize installation, and the power that operation generates of vibrating in concreting process is mobile insufficient for joint bar positioning device；
And when the power that is applied in joint bar positioning device of the external world greatly to a certain extent when can adjust the position of joint bar positioning device, but
The structure of joint bar positioning device will not be damaged.
As the further improvement of above-mentioned joint bar constructing structure, the superstructure of the wall connecting is prefabricated components.Dress
With Integratde concrete struction, generally there are two types of situations, and when floor is skyscraper, assembled monolithic concrete structure is main
Including lower layer's cast-in-place concrete structure, upper layer prefabricated concrete structure and it is set to transition zone between the two, wherein mistake
Layer is crossed as the conversion layer of lower layer's cast-in-place concrete structure and upper layer prefabricated concrete structure using cast-in-place concrete knot
Structure；When floor is bottom building or tier building, assembled monolithic concrete structure includes basal layer, upper layer assembled coagulation
Soil structure, basal layer use cast-in-place concrete structure.No matter which kind of above-mentioned structure, the superstructure of wall connecting is prefabricated structure
Part, assembled monolithic concrete structure require to apply compared to traditional joint bar for the joint bar construction precision of transition zone or basal layer
Work required precision is high, and technical requirements are also more harsh, therefore for the joint bar of transition zone wall or basal layer, choosing
The joint bar constructing structure for selecting aforementioned present invention can effectively guarantee transition zone wall or basal layer wall joint bar precision, to make
The integral wall position for obtaining assembled monolithic concrete structure is accurate, and positioning deformation does not occur.
Further, the distance between joint bar positioning device and concreting finished surface be concreting finished surface with
The height of horizontal joint between prefabricated components.After concreting finishes, transition zone or basal layer need and prefabricated components
The docking sleeve of lower part is installed, vertical direction can there are seams between transition zone or basal layer and prefabricated components after abutting joint
Gap, horizontal joint of this gap between concreting finished surface and prefabricated components, since the horizontal joint needs to carry out
Grouting operation, in order to guarantee being connected firmly for transition zone or basal layer and prefabricated components, the joint bar at horizontal joint is also needed
It to be held in position the positioning that do not deform accurately as far as possible, joint bar positioning device is set according to above structure, can not only guarantee to mix
Solidifying soil pours finished surface joint bar below and accurately installs, moreover it is possible to guarantee at transition zone or basal layer and prefabricated components horizontal joint
Joint bar does not deform positioning, and joint bar more than horizontal joint pours and horizontal in transition zone or basal layer walls concrete
It is able to carry out after joint grouting end of operation and adjusts again, be thus further ensured that the entirety of assembled monolithic concrete structure
Wall position is most accurate, and installation is most smooth, and positioning deformation does not occur.
Further, between the joint bar positioning device and concreting finished surface distance be 20mm, this apart from item
Under part, joint bar positioning is most accurate, and the integral wall position of assembled monolithic concrete structure is most accurate, installs most smooth.
As the further improvement of above-mentioned joint bar constructing structure, the positioning body is equipped with location hole and channel of vibrating
Positioning plate, the positioning plate one week be equipped with angle steel, the angle steel can one week setting angle steel of positioning plate, in concreting process
In, especially can integrally play reinforcement effect to device in process of vibrating, anti-locking apparatus in active force flowering structure unstability of vibrating,
To ensure that the stability of joint bar constructing structure.
As the further improvement of above-mentioned joint bar constructing structure, the diameter of the location hole is bigger than the diameter of joint bar to be positioned
1-3mm.Under this condition, it is best to agree with effect in joint bar constructing structure between location hole and joint bar, can guarantee that joint bar positions
Device stablizes installation on joint bar, and the power that operation generates of vibrating in concreting process is positioned insufficient for joint bar
Device is mobile；And when the power that is applied in joint bar positioning device of the external world greatly to a certain extent when can adjust joint bar positioning device
Position, but the structure of joint bar positioning device will not be damaged.
The present invention also provides a kind of joint bar construction methods using above-mentioned joint bar constructing structure, comprising the following steps:
(I) joint bar is carried out to wall, every joint bar to be positioned is checked one by one while joint bar, then by solid
Determine structure to fix joint bar lower part；
(II) joint bar to be positioned is integrally checked after finishing all joint bar insertions to be positioned；
(III) joint bar positioning device is set to the top of joint bar to be positioned, the joint bar positioning device includes positioning master
Body, the positioning body is equipped with agrees with the location hole that plugs for joint bar to be positioned and several are passed through for vibrating spear one by one
It vibrates channel, joint bar to be positioned is inserted into location hole one by one and is connected therewith；
(IV) by the adjustment of joint bar positioning device more than concreting finished surface or concreting finished surface.
Using above-mentioned joint bar construction method, check and joint bar positioning device are carried out to the essence of joint bar position to joint bar twice
The reinforcing bar for determining that position enables to each root cutting to enter wall is all accurately installed, and later period concreting process is thus prevented
Middle joint bar is displaced and deformation, so that joint bar constructing structure is more stable, to be conducive to wall, accurate, smooth installation connects with superstructure
It connects.
As the further improvement of above-mentioned joint bar construction method, the superstructure of the wall connecting is prefabricated components.Dress
Essence of constructing compared to traditional joint bar is required with joint bar construction precision of the Integratde concrete struction for transition zone or basal layer
Degree requires high, and technical requirements are also more harsh, therefore for the joint bar of transition zone wall or basal layer, in selection
Transition zone wall or basal layer wall joint bar precision can effectively be guaranteed by stating joint bar constructing structure of the invention, so that dress
Integral wall position with Integratde concrete struction is accurate, and positioning deformation does not occur.
Further, in step (IV) by joint bar positioning device be adjusted to concreting complete face interval centainly away from
From the height of distance horizontal joint between concreting finished surface and prefabricated components.Joint bar is applied according to the method described above
Work can not only guarantee that concreting finished surface joint bar below is accurately installed, moreover it is possible to guarantee transition zone or basal layer and pre-
The joint bar of modular level seam crossing processed does not deform positioning, and joint bar more than horizontal joint is in transition zone or basal layer wall
Concreting and horizontal joint grouting operation are able to carry out after finishing and adjust again, so that assembled integral coagulation
The integral wall position of soil structure is accurate, and positioning deformation does not occur.
Further, the joint bar positioning device and concreting finished surface spacing distance are 20mm.This apart from item
Under part, joint bar positioning is most accurate, so that the integral wall position of assembled monolithic concrete structure is accurate, positioning change does not occur
Shape.
Below by way of attached drawing and specific embodiment, the invention will be further described.
Detailed description of the invention
Fig. 1 is joint bar constructing structure of the present invention.
Fig. 2 is one of joint bar positioning device schematic diagram in the present invention.
Fig. 3 is in Fig. 2 along line B-B sectional view.
Fig. 4 is in Fig. 2 along line A-A sectional view.
Fig. 5 is two of joint bar positioning device schematic diagram in the present invention.
Specific embodiment
Below by way of application of the present invention in assembled monolithic concrete structure to the joint bar constructing structure in the present invention
And joint bar construction method elaborates.
As shown in Figure 1, carrying out joint bar construction to the transition zone 1 in assembled monolithic concrete structure, superstructure is pair
The prefabricated components 3 answered, transition zone 1 are needed as the transformational structure between prefabricated components 3 and understructure in-situ concrete wall
It further illustrates, joint bar 120 to be positioned is inserted into 120 lower part of joint bar to be positioned after 1 wall of transition zone and generally uses stirrup
Binding structure is fixed, and stirrup binding structure here is different according to specific condition of construction structure, when joint bar 120 to be positioned
In the corresponding position of lower layer's in-situ concrete wall there are when reinforcing bar, just directly joint bar 120 to be positioned is connected with these reinforcing bars,
When joint bar 120 to be positioned is not when the corresponding position of lower layer's in-situ concrete wall has reinforcing bar, need in lower layer's cast-in-place concrete
New additional bar is bound on the reinforcing bar of wall, and additional bar and joint bar 120 to be positioned are then subjected to binding and fixing, thus protected
It demonstrate,proves it not to be subjected to displacement, the connection structure between existing transition zone 1 and its understructure in-situ concrete wall is not shown in the figure, in advance
The lower part of structure 3 processed, which is equipped with, includes insertion transition zone 1 with the one-to-one sleeve 310 of joint bar 120 to be positioned, joint bar constructing structure
The joint bar to be positioned 120 of wall and the joint bar positioning device 2 that 120 top of joint bar to be positioned is set, 2 energy of joint bar positioning device
It is enough to position its joint bar 120 to be positioned below one by one, prevent these joint bars 120 to be positioned to be subjected to displacement and deform, the joint bar
The distance between concreting finished surface 110 in positioning device 2 and transition zone 1 d is transition after concreting finishes
Horizontal joint height between layer 1 and prefabricated components 3, the distance are preferably 20mm, and joint bar positioning is most accurate with this condition, existing
The integral wall position that pouring concrete wall, transition zone 1,3 three of prefabricated components are constituted is most accurate, and positioning change will not occur for wall
Shape.
As shown in Figure 2-5, joint bar positioning device 2 includes positioning body 210, and the positioning body 210 is equipped with for undetermined
Position joint bar 120 agrees with the location hole 212 plugged and several channels 211 of vibrating passed through for vibrating spear, preferred orientation one by one
The diameter in hole 212 is 2mm bigger than 120 diameter of joint bar to be positioned, so that joint bar to be positioned 120 just agrees with location hole 212, so that
Joint bar positioning device 2 is whole to stablize installation on joint bar 120 to be positioned, and vibrates what operation generated in concreting process
Power is mobile insufficient for joint bar positioning device；And when the external world be applied to power in joint bar positioning device greatly to a certain extent when energy
The position of joint bar positioning device is enough adjusted, but the structure of joint bar positioning device will not be damaged, positioning body 210 is big
Small rectangular positioning plate identical with 1 upper surface of transition zone, channel 211 of vibrating through-hole of the same size on square plate for setting,
These through-holes are located along the same line, and thereby guarantee that concrete vibrating is uniform in process of vibrating, are welded with angle steel within square plate one week
220, angle steel 220 reinforces joint bar positioning device 2, prolongs its service life, positioned at two through-holes of square plate left and right ends respectively
Between be respectively provided with angle cleat 220 and square plate reinforcing angle 230, reinforcing angle 230, which plays, further reinforces joint bar positioning dress
2 effect is set, angle steel 220 and reinforcing angle 230 are that bottom surface is welded on square plate, vertical on 230 square plate of reinforcing angle
It is equipped at intervals with the gate shape handle 240 of two round steel composition, joint bar positioning device 2 is whole to be made of galvanized steel.
Using above-mentioned joint bar constructing structure joint bar construction method the following steps are included:
(I) joint bar is carried out to wall, the wall is the transition being connected between in-situ concrete wall and prefabricated components 3
Layer wall 1 releases joint bar position line in wall side before joint bar construction, which is drawn by the control line of floor,
The control line from first floor datum mark draw, joint bar position is determined according to the joint bar position line of releasing, determine good position it
Afterwards, while to every joint bar 120 to be positioned it is checked, is then consolidated 120 lower part of joint bar to be positioned by fixed structure one by one
Fixed, fixed structure is the stirrup that binding and fixing are carried out to joint bar 120 to be positioned, when joint bar 120 to be positioned is in the cast-in-place coagulation of lower layer
Joint bar 120 to be positioned is just directly connected, when joint bar to be positioned by the corresponding position of cob wall body there are when reinforcing bar with these reinforcing bars
120, when the corresponding position of lower layer's in-situ concrete wall does not have reinforcing bar, need on the reinforcing bar of lower layer's in-situ concrete wall
New additional bar is bound, additional bar and joint bar 120 to be positioned are then subjected to binding and fixing；
(II) 120 entirety of joint bar to be positioned is checked after finishing all insertions of joint bar 120 to be positioned, again school
Core 120 position of joint bar to be positioned guarantees that subsequent joint bar positioning device 2 can be installed accurately；
(III) joint bar positioning device 2 is set to the top of joint bar 120 to be positioned, the joint bar positioning device 2 includes fixed
Position main body 210, positioning body 210 described in the joint bar positioning device 2 are equipped with to agree with one by one for joint bar 120 to be positioned and plug
Location hole 212 and several channels 211 of vibrating passed through for vibrating spear, are inserted into location hole 212 for joint bar 120 to be positioned one by one
And it is connected therewith；
(IV) joint bar positioning device 2 is adjusted in 110 or more concreting finished surface, joint bar positioning device 2 is adjusted
To being concreting finished surface 110 and prefabricated components 3 with the d spaced apart of concreting finished surface 110, distance d
Between horizontal joint height, the joint bar positioning device 2 and 110 spacing distance d of concreting finished surface is 20mm.
Using above-mentioned joint bar construction method, check and joint bar positioning device are carried out to the essence of joint bar position to joint bar twice
The reinforcing bar for determining that position enables to each root cutting to enter wall is all accurately installed, and later period concreting process is thus prevented
Middle joint bar displacement and deformation are smoothly installed to be conducive to wall with upper layer prefabricated components so that joint bar constructing structure is more stable.Dress
It requires to require compared to traditional joint bar construction precision with joint bar construction precision of the Integratde concrete struction for transition zone high
Many out, technical requirements are also more harsh, therefore for transition zone wall joint bar, the joint bar of aforementioned present invention are selected to construct
Method can effectively guarantee transition zone wall joint bar precision, so that in-situ concrete wall, transition zone wall, prefabricated structure
The integral wall position that part three is constituted is accurate, and positioning deformation does not occur.According to the method described above to assembled integral concrete knot
Structure transition zone carries out joint bar construction, can not only guarantee that concreting finished surface joint bar below is accurately installed, moreover it is possible to guarantee
Joint bar at transition zone and prefabricated components horizontal joint does not deform positioning, and joint bar more than horizontal joint is in transition zone wall
Body concrete pours and horizontal joint grouting operation is finished to be able to carry out later and be adjusted again, is thus further ensured that cast-in-place mixed
The integral wall position that solidifying cob wall body, transition zone wall, prefabricated components three are constituted is accurate, and positioning deformation does not occur, described to insert
Muscle positioning device and concreting finished surface spacing distance are 20mm, and under the distance condition, joint bar positioning is most accurate, cast-in-place
The integral wall position that concrete wall, transition zone, prefabricated components three are constituted is most accurate.Finally using above-mentioned joint bar construction knot
Structure and joint bar construction method carry out after joint bar construction finishes, by examine joint bar final position deviation control always≤
3mm can meet requirement of the assembled monolithic concrete structure to transition zone joint bar construction precision well.
Based on wall when layer, joint bar construction is tied when joint bar constructing structure and method and above-mentioned wall are as transition zone
Structure and method are identical, and only base layer structure is different from transition zone wall body structure, the lower part of joint bar after being inserted into wall with base
The reinforcing bar of plinth layer or additional reinforcing bar are bound, based on layer cast-in-place concrete structure and as the cast-in-place of transition zone
Concrete structure is the prior art, therefore this will not be repeated here.
Claims (4)
1. joint bar construction method, which comprises the following steps:
(I) joint bar is carried out to wall, the wall is cast-in-place concrete structure, to every joint bar to be positioned while joint bar
(120) it is checked, is then fixed joint bar to be positioned (120) lower part by fixed structure one by one；
(II) joint bar to be positioned (120) is integrally checked after finishing all joint bar (120) insertions to be positioned；
(III) joint bar positioning device (2) is set to the top of joint bar to be positioned (120), the joint bar positioning device (2) includes
Positioning body (210), the positioning body (210) is equipped with agrees with the location hole plugged for joint bar to be positioned (120) one by one
(212) and several channels of vibrating (211) for being passed through for vibrating spear joint bar to be positioned (120), is inserted into location hole one by one
(212) and therewith it is connected；
(IV) superstructure of the wall connecting is prefabricated components (3), and joint bar positioning device (2) is adjusted to pour with concrete
It builds finished surface (110) (d) spaced apart, distance water between concreting finished surface (110) and prefabricated components (3)
The height of carvel joint；
(V) it is in the milk between the concreting finished surface (110) and prefabricated components (3), more than horizontal joint
Joint bar (120) is adjusted again.
2. joint bar construction method as described in claim 1, which is characterized in that the joint bar positioning device (2) is poured with concrete
Building finished surface (110) spacing distance (d) is 20mm.
3. joint bar construction method as described in claim 1, which is characterized in that the positioning body (210) is equipped with location hole
(212) and the positioning plate of channel of vibrating (211), angle steel (220) are equipped within the positioning plate one week.
4. joint bar construction method as described in claim 1, which is characterized in that the diameter of the location hole (212) is than to be positioned
The big 1-3mm of diameter of joint bar (120).
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| CN201610405076.1A CN105908977B (en) | 2016-06-08 | 2016-06-08 | Joint bar constructing structure and method |
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| CN201610405076.1A CN105908977B (en) | 2016-06-08 | 2016-06-08 | Joint bar constructing structure and method |
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| CN105908977B true CN105908977B (en) | 2019-02-15 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759280B (en) * | 2016-12-22 | 2018-08-21 | 中国十七冶集团有限公司 | A kind of extra-long foundation pile foundation joint bar positioning construction method |
| CN106759939A (en) * | 2016-12-29 | 2017-05-31 | 上海建工五建集团有限公司 | The attachment structure and method of vertical precast concrete |
| CN107083804B (en) * | 2017-06-09 | 2019-05-10 | 中建七局第四建筑有限公司 | A kind of wall structure column joint bar construction method |
| CN107130590B (en) * | 2017-06-26 | 2022-04-22 | 中国核工业第二二建设有限公司 | Device for accurately inserting reinforcing steel bars into plain concrete pile and construction method |
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