CN209308282U - The positioning device of reinforcing bar is planted after a kind of constructional column - Google Patents
The positioning device of reinforcing bar is planted after a kind of constructional column Download PDFInfo
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- CN209308282U CN209308282U CN201821804820.6U CN201821804820U CN209308282U CN 209308282 U CN209308282 U CN 209308282U CN 201821804820 U CN201821804820 U CN 201821804820U CN 209308282 U CN209308282 U CN 209308282U
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Abstract
The positioning device of reinforcing bar is planted after the utility model constructional column, positioning device includes main casing, adapting pipe, main casing positioning cuff, stabiliser bar, stabiliser bar positioning cuff, back cover plate.After utility model device, design structure, the thickness of protection tier, bar diameter of construction capital primary and secondary beam steel are considered further that, calculate the position of arrangement constructional column lengthways main steel bar enough；When constructing the installation of capital girder end template, device for ejecting installation site, and boring device location hole；When constructional column roof beam reinforcement installation, while mounting and positioning device, after beam steel is in place, adjust device and fixation；Beam slab concreting, clear to expose bar planting position after removing beam-slab template, clearing up behind bar planting hole can bar planting, make constructional column bar planting accurate positioning, quick construction, save artificial material, avoids bar planting process to the structural damage of beam steel, concrete at the top of constructional column.
Description
Technical field
The utility model relates to technical field of building construction, in particular to the positioning device of reinforcing bar is planted after a kind of constructional column.
Background technique
According to the 6.3.4 articles of GB50003-2011 " Code for design of masonry strucres ", " connection of filling wall and frame, can basis
Design requirement uses disengagement or not release methods.Have the appropriate to the occasion method disengaged using filling wall and frame of requirements for fortification against earthquake ", and
GB 50203-2011 " masonry structure engineering construction quality acceptance specification " " wall after-pouring concrete of first laying bricks when general construction
Column can increase the combination of cross wall in this way ", i.e., the constructional column of architectural engineering must after the completion of building body armored concrete, and
Masonry is just constructed after the completion of building.The connection type of constructional column main reinforcement and its roof beam has early period pre-buried and two kinds of sides of later period bar planting
Formula.
Early period is pre-buried, i.e., pre-inserted in specified position by design drawing requirement before the beam concreting at the top of constructional column
Constructional column main reinforcement is tied up after simultaneously form removal is completed in beam concreting, then with the constructional column lengthways main steel bar overlap joint of later period installation
Prick connection.This way advantage is that pre-buried main reinforcement and the anchoring of beam slab concrete are stablized, accurate positioning.The disadvantage is that need to be corresponding in beam forms
Position aperture interts reinforcing bar, and form removable is extremely difficult at this, is easy to damage template, and embedded bar is installed template, torn open
Except there are some potential safety problemss by worker.Therefore construction site constructional column plants mode after generally taking main reinforcement.
Mode Normal practice is planted after the constructional column main reinforcement of construction site is, after the beam forms at the top of constructional column is removed, worker
Position mark is estimated in constructional column main reinforcement with chalk, the bar planting hole of 4mm specification bigger than bar planting is drilled through with electric impact drill, recycles wind
Machine blows out ground-slag in hole, then in the wrapped anchoring adhesive in rear plant Bar Anchorage end, holds reinforcing bar later and quickly inserts in lower bar planting hole, etc.
Anchoring adhesive solidification.
This Normal practice has the following disadvantages:
1, due to position inaccurate when boring bar planting hole, drilling: the beam steel usual ten at the top of constructional column is often repeated several times
Divide intensively, the position that can be left for for boring bar planting hole is very narrow, and the position that energy steel planting is accurately found out after demoulding is very tired
Difficulty causes constructional column bar planting position periphery many useless drillings often occur；
2, it the upper and lower out of plumb of constructional column reinforcing bar: because Normal practice cannot be accurately positioned by bar planting worker operation, causes
Make the upper and lower out of plumb of constructional column main reinforcement, pillar structure performance is bad；
3, the beam stress main reinforcement at the top of easy damaged constructional column: when boring bar planting hole, since operator cannot recognize drilling
Whether position has beam main tendon, and boring procedure drill bit of drilling machine easily damages the beam stress main reinforcement at the top of constructional column；
4, operating time and the cost of labor of bar planting are greatly increased: due to position inaccurate when boring bar planting hole, often repeatedly
Many useless bar planting holes are bored in repetition, considerably increase bar planting time and the cost of labor of constructional column.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned drawbacks of the prior art, planting reinforcing bar after providing a kind of constructional column
Positioning device makes constructional column bar planting accurate positioning using the present apparatus, quick construction, saves artificial material, avoids bar planting process pair
The structural damage of beam steel, concrete at the top of constructional column.
The utility model to achieve the above object the technical solution adopted is that: the positioning dress of reinforcing bar is planted after a kind of constructional column
It sets, including main casing, adapting pipe, main casing positioning cuff, stabiliser bar, stabiliser bar position cuff, back cover plate, the inner hole of main casing
Diameter is slightly larger than the outer diameter of adapting pipe, and main lower end is wound using the colored sealing compound easily recognized seals lower port, under adapting pipe
One section of undertaking stick of caulked is held, adapting pipe inner tubal wall and undertaking stick are fitted close, and the adapting pipe lower end with undertaking stick is by main casing
Upper end is inserted into main casing and is fixedly connected by binder with main casing socket joint, and main casing positioning cuff is by reinforcing bar bent
At, and the outer profile of main casing positioning cuff is identical as the graphic outer contour surrounded when a plurality of main casing installation forming, main set
Pipe is positioned and is bound between cuff and the main casing of each using iron wire, and the outer diameter of stabiliser bar is slightly smaller than the internal orifice dimension of adapting pipe, surely
Socket joint enters adapting pipe upper end and is fixedly connected with adapting pipe after fixed pole lower end painting binder, and stabiliser bar, which positions cuff, to be bent by reinforcing bar
It is formed, and the outer profile of stabiliser bar positioning cuff is identical as the graphic outer contour surrounded when a plurality of stabiliser bar installation forming, surely
Fixed pole is positioned and is bound between cuff and each stabiliser bar using iron wire, and back cover plate is one piece of square plate, and back cover plate periphery is equipped with
Screw fixed hole, screw pass through screw fixed hole and fix back cover plate and girder end template split.
The further technical solution of the utility model is: main casing, adapting pipe, stabiliser bar quantity be respectively four, it is main
It is set on beam bottom mother plate there are four the device location hole for being in rectangular arranged, four main casings are inserted into the device positioning on girder end templates
Also rectangle is surrounded behind hole, main casing positioning cuff is rectangle frame be bent to form by a reinforcing bar and the unlocked connection in end,
Main casing positioning cuff both ends end is formed by bending positioning crotch respectively, also surrounds rectangle after four stabiliser bar insertion adapting pipes, surely
Fixed pole positioning cuff is rectangle frame be bent to form by a reinforcing bar and the unlocked connection in end, and stabiliser bar positions cuff both ends
End is formed by bending positioning crotch respectively.
The further technical solution of the utility model is: the undertaking stick is one section of solid round log, main casing and adapting pipe
Respectively pvc pipe, binder are PVC glue, and stabiliser bar is reinforcing bar.
The utility model is using bar reinforcement positioning device is planted after the constructional column simply made, instead of planting reinforcing bar after current routine
Artificial drilling way marks on girder end template according to calculated result, and boring device location hole, after the completion of beam steel bar colligation,
Positioning device is temporarily bound on beam steel, is lowered into girder with beam steel, after beam steel is in place, under the main casing of positioning device
Insertion apparatus positioning hole is held, in concreting process, positioning device bottom end is not shifted, after girder end template is removed, positioning
The main lower end of device exposes girder bottom end, and bar planting position is high-visible, has the advantage that
1, before the beam concreting at the top of constructional column, correct embedment positioning device, it is ensured that bar planting position is accurate, avoids
Subsequent " blind hole " steel planting of Normal practice；
2, avoid Normal practice drilling to the structural damage of beam steel and concrete at the top of constructional column；
3, a large amount of useless drillings caused by Normal practice position inaccurate are avoided；
4, a large amount of costs of labor and equipment needed for saving Normal practice bar planting drilling；
5, the bar planting duration can be greatly shortened, bar planting working efficiency is improved；
6, positioning device production is simple, light-weight, small in size, easy to operate, and installation is quick.
The positioning device that reinforcing bar is planted after the utility model constructional column is made further with reference to the accompanying drawings and examples
It is bright.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the main casing of positioning device of reinforcing bar is planted after the utility model constructional column；
Fig. 2 is the structural schematic diagram that the adapting pipe of positioning device of reinforcing bar is planted after the utility model constructional column；
Fig. 3 is the structural schematic diagram that main casing is connect with adapting pipe；
Fig. 4 is that main casing positioning cuff entangles four structural schematic diagrams for being connected with the main casing of adapting pipe；
Fig. 5 is the structural schematic diagram of stabiliser bar and adapting pipe and main casing connection；
Fig. 6 is the structural schematic diagram that stabiliser bar positioning cuff entangles four stabiliser bars；
Fig. 7 is the structural schematic diagram that the back cover plate of positioning device of reinforcing bar is planted after the utility model constructional column；
Fig. 8 is the schematic diagram that positioning device installation site is calculated on girder end template；
Fig. 9 is the structural schematic diagram in girder end template label positioning device installation site；
Figure 10 is the structural schematic diagram of label back cover plate installation control line after overturning girder end template；
Figure 11 is the structural schematic diagram after girder end template is drilled device location hole；
Figure 12 is overturning girder end template and the structural schematic diagram after girder end template bottom surface assembly back cover plate；
Figure 13 is the bottom view after girder end template assembly back cover plate；
Figure 14 is the structural schematic diagram after the installation of the conventional equipments such as side template, beam steel；
Figure 15 is the structural schematic diagram that the stabiliser bar connecting with main casing, adapting pipe puts on stabiliser bar positioning cuff；
Figure 16 is the structural schematic diagram of Figure 15 shown device sinking installation；
Figure 17 is the structural representation for being fixed temporarily Figure 15 shown device on girder reinforcing bar and binding main casing positioning cuff
Figure；
Figure 18 is the structural schematic diagram before positioning device is sunk in place；
Figure 19 is positioning device structural schematic diagram in place；
Figure 20 is after concreting and to remove beam-slab template and expose showing for main casing shoe colour sealing compound at girder bottom
It is intended to；
Figure 21 is the schematic diagram that main casing is exposed at girder bottom after removing colored sealing compound；
Drawing reference numeral explanation: the main casing of 1-, 2- colour sealing compound, 3- adapting pipe, 4- accept stick, the main casing spacer ferrule of 5-
Set, 6- back cover plate, 7- screw fixed hole, 8- stabiliser bar, 9- stabiliser bar positioning cuff, 10- side template, 11- beam bottom main reinforcement,
12- secondary beam position, 13- stirrup, 14- bar planting position mark, 15- girder position, 16- beam bottom mother plate, 17- bore position, 18-
Girder side template installation sideline, 19- girder end template, 20- device location hole, 21- back cover plate installation site line, 22- screw,
23- slab form, 24- cover to reinforcement beam side cushion block, 25- girder main reinforcement, the erection side 26- item, 27- beam main tendon, 28- are erected
Steel pipe, 29- beam bottom cushion block of concrete bar protective layer, 30- iron wire, 31- secondary beam, 32- girder.
Specific embodiment
As shown in Figures 1 to 7, the positioning device of reinforcing bar, including main casing, undertaking are planted after a kind of constructional column of the utility model
Pipe, main casing positioning cuff, stabiliser bar, stabiliser bar position cuff, back cover plate.
As shown in Figure 1,2,3, 4, the internal orifice dimension of main casing is slightly larger than the outer diameter of adapting pipe, and main lower end is using easily identification
Colored sealing compound winding sealing lower port, main casing and adapting pipe are respectively pvc pipe in the present embodiment, and main casing is
DN20-PVC pipe, adapting pipe are DN15-PVC pipe, seal main lower end mouth using the winding of yellow sealing compound, naturally it is also possible to adopt
With the sealing compound of other colors such as orange or red.One section of undertaking stick of adapting pipe lower end caulked, adapting pipe inner tubal wall and undertaking stick
It is fitted close, is inserted into main casing with the adapting pipe lower end for accepting stick by main sleeve upper end and is held by binder and main casing
It inserts and is fixedly connected, accepting stick in the present embodiment is one section of solid round log, and binder is PVC glue, solid round log and adapting pipe
Between use PVC glue cementation.Main casing positioning cuff be bent to form by reinforcing bar, and the outer profile of main casing positioning cuff with
The graphic outer contour surrounded when a plurality of main casing installation forming is identical, adopts between main casing positioning cuff and the main casing of each
It is bound with iron wire.Main casing positioning cuff plays fixed main casing mutual spacing.
As shown in Figure 5,6, the outer diameter of stabiliser bar is slightly smaller than the internal orifice dimension of adapting pipe, and stabiliser bar lower end applies binder (this reality
Example is applied with PVC glue) afterwards socket joint enter adapting pipe upper end and be fixedly connected with adapting pipe, stabiliser bar is reinforcing bar, and stabiliser bar positions cuff
It is outside the figure for being bent to form by reinforcing bar, and being surrounded when the outer profile and a plurality of stabiliser bar installation forming of stabiliser bar positioning cuff
Profile is identical, and stabiliser bar is positioned and bound between cuff and each stabiliser bar using iron wire, and it is vertically steady that stabiliser bar plays retaining sleeve
It is set for using, at bar planting when the upright position of upper and lower two-layer structure column, sectional dimension and identical Reinforcement Design, stabiliser bar is used
With the consistent reinforcing bar of upper layer constructional column main reinforcement, stabiliser bar not only plays stabilising arrangement at this time, but also as the pre-inserted of upper layer constructional column
Main reinforcement, and it is longer (after device is in place, stabiliser bar exposes flooring length and meets the pre-inserted requirement of constructional column main reinforcement) to stablize pole length.When
For upper layer corresponding position at bar planting without constructional column or when constructing column cross-section size, arrangement of reinforcement difference, stabiliser bar plays stabilising arrangement,
Equalization chamber takes A14 reinforcing bar, and it is shorter (after device is in place, stabiliser bar exposes flooring 2cm or so) to stablize pole length.
As shown in fig. 7, back cover plate is one block of rectangular thick steel plate, back cover plate is one piece of square plate, and back cover plate quadrangle periphery is set
There is screw fixed hole, screw passes through screw fixed hole and fixes back cover plate and girder end template split, the girder bottom on back cover plate
It is in the device location hole of rectangular arranged there are four being set in template, four device location holes on back cover plate side ratio beam bottom board are wide out
30mm, in the present embodiment, main casing, adapting pipe, stabiliser bar quantity be respectively four, four main casings are inserted into girder bed dies
Also surround rectangle after device location hole on plate, main casing positioning cuff be bent to form by a reinforcing bar and end it is unlocked
The rectangle frame of connection, main casing positioning cuff both ends end is formed by bending positioning crotch respectively, after four stabiliser bars are inserted into adapting pipes
Also rectangle is surrounded, it is rectangle frame be bent to form by a reinforcing bar and the unlocked connection in end that stabiliser bar, which positions cuff, is stablized
Bar positioning cuff both ends end is formed by bending positioning crotch respectively.The construction installation method that the positioning device of reinforcing bar is planted after constructional column is asked
Referring to following construction methods.
Plant the construction method of the positioning device of reinforcing bar after a kind of constructional column, this method is using planting reinforcing bar after above-mentioned constructional column
Positioning device construction method, include the following steps:
(1) positioning device installation site calculates: as shown in figure 8, according to constructional column roof beam thickness of protection tier B, master
The outermost placing of reinforcement diameter D1 of beam, the outermost placing of reinforcement diameter D2 of secondary beam calculate the position planted after suitable constructional column reinforcing bar；In this reality
It applies in example, the spacing E of adjacent two beam bottom main reinforcements is 30mm, and the best bar planting position of constructional column reinforcing bar is away from master in this step
Beam side B+D1+15mm and the crosspoint away from secondary beam side B+D2+15mm, because of the difference of E, best bar planting position can be changed,
Best bar planting position is away from girder side form B+D1+ E/2 and the intersection away from secondary beam side B+D2+ E/2.
(2) installation site snap the line, boring device location hole: as shown in figure 9, girder end template is temporarily installed after consolidating, according to
Previous step calculated result is drilled through in corresponding position labelling apparatus installation site (i.e. bore position) in girder end template mark position
Device location hole, as shown in Figure 10,11.
(3) back cover plate is installed: as shown in Figure 10 to 13, being overturn girder end template at bar planting, is gone out device location hole week in width
Back cover plate installation site line is played at the 20-40mm of side, back cover plate is assembled in by girder end template bottom surface using screw, back cover plate is assembled
After the completion, girder end template is overturn again, makes back cover plate downward, and as shown in figure 13, device location hole upward, fixes girder later
End template.
(4) conventional equipments such as side template, beam steel are installed: as shown in figure 14, requiring successively to carry out according to arrangement and method for construction
Side template installation erects steel pipe, the installation of erection side's item, primary-secondary beam steel bar arrangement and binding, and cushion block of concrete bar protective layer is installed, this
A little devices are installed using existing conventional method, herein no longer narration in detail.
(5) the positioning device installation of reinforcing bar is planted after constructional column: as shown in figures 15-18, it is fixed that stabiliser bar is bound outside stabiliser bar
Position cuff binds one or more sets stabiliser bars positioning cuff according to pole length selection is stablized, and first of stabiliser bar positions cuff set
On the reinforcing bar of beam face, under second stabiliser bar positions cuff binding at the top of away from shorter stabiliser bar at 50mm；Under beam steel
Before sinking in beam forms, four main casing shoes is made to be respectively aligned to four device location holes of girder end template, it is rear slowly vertical
Sink to binding molding main casing, adapting pipe, stabiliser bar single unit system, as shown in figure 16；When main casing shoe is lower than beam face steel
When muscle 150-250mm, stops sinking single unit system and is fixed temporarily single unit system on girder reinforcing bar with iron wire as shown in figure 17,
Bind main casing positioning cuff；After main casing positioning cuff is installed, the binding point of single unit system and beam steel is unclamped, is continued
Sinking single unit system as shown in figure 18, stops the whole dress that sinks when main casing shoe is lower than beam bottom reinforcing bar bottom 15-25mm
It sets, with the interim binding and fixing single unit system of iron wire on beam steel.
(6) positioning device of reinforcing bar is planted after constructional column in place and installation site adjusts: the molding main casing of inspection binding,
After adapting pipe, stabiliser bar single unit system are firm, primary and secondary beam steel is lifted, abstraction erects steel pipe, erection side's item, single unit system
Sink with primary and secondary beam steel in place；After single unit system sinks in place with primary and secondary joist steel pipe, single unit system and joist steel are unclamped
The binding point of muscle makes four device location holes on the main lower end alignment girder end template of single unit system as shown in figure 19, after
Continuous sinking single unit system contacts main casing shoe to back cover plate upper surface, adjusts single unit system verticality, it is ensured that main set tube bottom
The device location hole that portion respectively enters girder end template does not shift, and finally binding fastening single unit system is on beam steel.
(7) concreting: by arrangement and method for construction requirement casting concrete, concreting process prevents vibrating head from touching
The positioning device of reinforcing bar is planted after constructional column.
(8) beam-slab template is removed: after concrete strength reaches specification regulation, removing all beam-slab templates, back cover plate and master
Beam bottom mother plate is removed together, and back cover plate can repeatedly use, and as shown in figure 20, the beam bottom of positioning device installation place exposes main set
The colored sealing compound at tube bottom end.
(9) sealing compound is cleared up, bar planting: cutting off the colored sealing compound in main lower end portion with tool, as shown in figure 21, dew
Main casing out after cleaning out main casing, can be implanted into constructional column main reinforcement into main casing.
Above embodiments are only the preferred embodiment of the utility model, and the utility model is not limited to above-described embodiment and enumerates
Form, any modification made within the spirit and principle of the present invention, equivalent replacement etc. should be included in this reality
Within novel protection scope.
Claims (3)
1. planting the positioning device of reinforcing bar after a kind of constructional column, which is characterized in that including main casing, adapting pipe, main casing spacer ferrule
Set, stabiliser bar, stabiliser bar position cuff, back cover plate, and the internal orifice dimension of main casing is slightly larger than the outer diameter of adapting pipe, and main lower end is adopted
With easily recognize colored sealing compound winding sealing lower port, one section of undertaking stick of adapting pipe lower end caulked, adapting pipe inner tubal wall with hold
It takes over the baton tight fit, is inserted by main sleeve upper end in main casing and by binder and main set with the adapting pipe lower end for accepting stick
Pipe socket joint is fixedly connected, main casing positioning cuff be bent to form by reinforcing bar, and the outer profile of main casing positioning cuff with it is a plurality of
The graphic outer contour surrounded when main casing installation forming is identical, uses iron between main casing positioning cuff and the main casing of each
Line binding, the outer diameter of stabiliser bar are slightly smaller than the internal orifice dimension of adapting pipe, and socket joint enters adapting pipe upper end after stabiliser bar lower end applies binder
It is fixedly connected with adapting pipe, stabiliser bar positioning cuff is bent to form by reinforcing bar, and the stabiliser bar positioning outer profile of cuff and more
The graphic outer contour surrounded when stabiliser bar installation forming is identical, uses between stabiliser bar positioning cuff and each stabiliser bar
Iron wire binding, back cover plate are one piece of square plate, and back cover plate periphery is equipped with screw fixed hole, and screw passes through screw fixed hole for back cover
Plate is fixed with girder end template split.
2. planting the positioning device of reinforcing bar after constructional column as described in claim 1, which is characterized in that main casing, adapting pipe, stabilization
The quantity of bar is respectively four, is set on girder end template there are four the device location hole for being in rectangular arranged, four main casings are inserted into
Also surround rectangle after device location hole on girder end template, main casing positioning cuff be bent to form by a reinforcing bar and it is last
The rectangle frame of unlocked connection is held, main casing positioning cuff both ends end is formed by bending positioning crotch, four stabiliser bar insertions respectively
Also rectangle is surrounded after adapting pipe, it is rectangle be bent to form by a reinforcing bar and the unlocked connection in end that stabiliser bar, which positions cuff,
Frame, stabiliser bar positioning cuff both ends end are formed by bending positioning crotch respectively.
3. planting the positioning device of reinforcing bar after constructional column as described in claim 1, which is characterized in that the undertaking stick is one section of reality
Heart round log, main casing and adapting pipe are respectively pvc pipe, and binder is PVC glue, and stabiliser bar is reinforcing bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821804820.6U CN209308282U (en) | 2018-11-02 | 2018-11-02 | The positioning device of reinforcing bar is planted after a kind of constructional column |
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| CN201821804820.6U CN209308282U (en) | 2018-11-02 | 2018-11-02 | The positioning device of reinforcing bar is planted after a kind of constructional column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296138A (en) * | 2018-11-02 | 2019-02-01 | 广西建工集团第三建筑工程有限责任公司 | The positioning device and construction method of reinforcing bar are planted after a kind of constructional column |
| CN110805303A (en) * | 2019-11-18 | 2020-02-18 | 葛全伟 | Bar planting structure capable of improving anchoring bearing capacity and construction method of bar planting structure |
| CN114704094A (en) * | 2022-04-29 | 2022-07-05 | 山西三建集团有限公司 | Method for presetting secondary structure constructional column bar planting holes in primary structure beam pouring system |
| CN116771119A (en) * | 2023-08-22 | 2023-09-19 | 江苏省华建建设股份有限公司 | Connection construction method for embedded straight thread sleeve assembly of tie bar of concrete constructional column |
-
2018
- 2018-11-02 CN CN201821804820.6U patent/CN209308282U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296138A (en) * | 2018-11-02 | 2019-02-01 | 广西建工集团第三建筑工程有限责任公司 | The positioning device and construction method of reinforcing bar are planted after a kind of constructional column |
| CN109296138B (en) * | 2018-11-02 | 2023-10-27 | 广西建工集团第三建筑工程有限责任公司 | Positioning device for post-planting steel bars of constructional column and construction method |
| CN110805303A (en) * | 2019-11-18 | 2020-02-18 | 葛全伟 | Bar planting structure capable of improving anchoring bearing capacity and construction method of bar planting structure |
| CN110805303B (en) * | 2019-11-18 | 2021-04-30 | 葛全伟 | Bar planting structure capable of improving anchoring bearing capacity and construction method of bar planting structure |
| CN114704094A (en) * | 2022-04-29 | 2022-07-05 | 山西三建集团有限公司 | Method for presetting secondary structure constructional column bar planting holes in primary structure beam pouring system |
| CN116771119A (en) * | 2023-08-22 | 2023-09-19 | 江苏省华建建设股份有限公司 | Connection construction method for embedded straight thread sleeve assembly of tie bar of concrete constructional column |
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