CN104727551B - Ring beam screw thread core pulling embedded steel bar construction method - Google Patents
Ring beam screw thread core pulling embedded steel bar construction method Download PDFInfo
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- CN104727551B CN104727551B CN201510138345.8A CN201510138345A CN104727551B CN 104727551 B CN104727551 B CN 104727551B CN 201510138345 A CN201510138345 A CN 201510138345A CN 104727551 B CN104727551 B CN 104727551B
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- collar tie
- bar planting
- tie beam
- concrete
- bar
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Abstract
The invention discloses a ring beam screw thread core pulling embedded steel bar construction method. The method comprises the steps that a hole is mechanically drilled in a template, a threaded bolt is adopted to be embedded into the template, the threaded bolt is screwed repeatedly at the position of a nut after initial setting is performed on a cast concrete column, the threaded bolt forms a threaded structure inside concrete, the threaded bolt can be directly pulled out conveniently before form removal, and no concrete mechanical drilling is adopted, so that damage to concrete is avoided; the threaded structure is formed inside the concrete, so that the contact area between embedded steel bar glue and the inner surface of the concrete is increased, the bonding acting force and anti-uplift strength of the embedded steel glue and the concrete are enhanced, the construction period is shortened, and the labor intensity is lowered; during steel bar embedment, a long steel bar and a short steel bar are adopted to be in staggered and overlapped connection, the steel bar use amount is saved, the number of overlapped joints is decreased, the structural strength is improved, and the cost is lowered.
Description
Technical field
The present invention relates to tendon-planted craft, be specifically related to collar tie beam screw thread core pulling pore reinforced construction method.
Background technology
The bar planting construction of beams of concrete in correlation technique, is employing power auger bar planting hole on the beams of concrete poured into a mould, then
Bar planting hole is cleaned, then injecting glue bar planting.
Inventor finds, the beams of concrete poured into a mould can be caused certain infringement by machine drilling, and the intensity simultaneously constructed is big；
The bar planting hole being drilled is not easily cleaned totally, and the cohesive force between bar planting structure glue and concrete can be made to decline.
Summary of the invention
Therefore for the problems referred to above, the problem to be solved in the present invention is to provide the pore reinforced construction method of beams of concrete, i.e. need not
Carrying out machine drilling on the beams of concrete poured into a mould, the beams of concrete poured into a mould is not caused damage, the intensity of construction is little；Bar planting
Hole easy to clean is clean.
For solve above-mentioned technical problem, the technical solution used in the present invention is, collar tie beam screw thread core pulling pore reinforced construction method, including with
Lower step:
(1) snap the line location on bar planting side template, marks the position implanting reinforcing bar, wherein, for pouring into a mould two side forms of collar tie beam
In plate, the template needing the side of boring is bar planting side template, it is not necessary to the template of the opposite side of boring is non-bar planting side form
Plate；
(2) it is drilled preformed hole in described position, then installs described bar planting side template；
(3) by an end of screw bolt through described preformed hole, to the inner surface of described non-bar planting side template, its another end
It is positioned at the outside of described bar planting side template；
(4) fixing another end described of nut is used；
(5) colligation bar planting side template and non-bar planting side template, the mixed earth of cast；
(6) concrete is after initial set before final set, and dynamics the most repeatedly turns the screw bolt at described nut, to turning
Fluent sense during screw bolt；
(7) after concrete reaches final setting time, nut is backed out, screw bolt of back-outing, form bar planting hole；
(8) after bar planting hole is formed, clear up bar planting hole, inject anchoring adhesive, implant reinforcing bar.
Non-bar planting side template has first been installed before installing bar planting side template, and in the good bar planting side template of colligation and non-bar planting side template
Stirrup.
After the inner surface of a described end extremely described non-bar planting side template, described screw bolt is fixed with stirrup colligation；If described spiral shell
When residing for stricture of vagina bolt, plan-position is without stirrup, in stirrup, main muscle diagonally opposed is set up with stirrup with the reinforcing bar of diameter, and colligation
Fixing described screw bolt.
When concrete is implanted into reinforcing bar, implant at the two ends in described bar planting hole that length is different respectively according to the length of collar tie beam two
Reinforcing bar；Curing conservation carries out pullout tests and forms collar tie beam concrete column after completing.
When two collar tie beam concrete columns connect, reinforcing bar longer in a collar tie beam concrete column is shorter with another collar tie beam concrete column
Bar splicing, mutually staggers in the position of bar splicing.
As preferably, described preformed hole uses the bit bore of machinery to be formed, the diameter of described bit diameter more described implantation reinforcing bar
Big 4mm～8mm.
The method have the benefit that the present invention uses the preformed hole boring bar planting on bar planting side template, it is to avoid at the coagulation poured into a mould
Tu Liang upper brill bar planting hole, does not cause damage to the beams of concrete poured into a mould；Spiral shell is the most repeatedly turned after the concrete initial set poured
Stricture of vagina bolt, makes screw bolt be internally formed screw thread at beams of concrete, it is simple to form removal rear thread bolt can need not be taken out by machinery
Going out, bar planting hole is prone to cleaning, reduces construction intensity, shortens the engineering time；Because concrete two is internally formed helicitic texture,
Increase anchoring adhesive and the contact area within beams of concrete, increase anchoring adhesive strong with the cementation power of beams of concrete and resistance to plucking
Degree；Two reinforcing bars that use in mixed earth beam that one is long and the other is short, use overlapping mode, decrease lap joint, save between collar tie beam
Amount of reinforcement, reduces construction cost.
Accompanying drawing explanation
Schematic diagram buried in advance underground by Fig. 1 threaded rod of loosing core
Wherein, bar planting side template 1, screw-thread steel bolt 2
Fig. 2 bar planting pore-forming schematic diagram
Wherein, bar planting hole 3, collar tie beam concrete column 4
Fig. 3 bar planting and connection diagram
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described.
Collar tie beam screw thread core pulling pore reinforced construction method, comprises the following steps:
(1) before installing bar planting side template 1, non-bar planting side template has been installed, and the good bar planting side template 1 of colligation and non-bar planting side
Stirrup in template, wherein, in two side templates pouring into a mould collar tie beam, the template needing the side of boring is to plant
Muscle side template, it is not necessary to the template of the opposite side of boring is non-bar planting side template；
(2) snap the line location on bar planting side template 1, marks the position implanting reinforcing bar；
(3) it is drilled preformed hole in described position, then installs described bar planting side template 1；Wherein the diameter ratio of drill bit to be planted
Enter big 4mm～8mm of diameter of reinforcing bar；
(4) by an end of screw-thread steel bolt 2 through described preformed hole, to the inner surface of described non-bar planting side template, it is another
One end is positioned at the outside of described bar planting side template 1；
(5) a described end is fixed with stirrup colligation to the inner surface of described non-bar planting side template；
(6) fixing another end described of nut is used；
(7) colligation bar planting side template 1 and non-bar planting side template, pour into a mould concrete；
(8) concrete is when initial set, the most repeatedly turns described spiral shell by the most inverse rear suitable order uniformly by die nut dynamics
Screw-thread steel bolt 2 at cap, to when turning screw-thread steel bolt without significantly blocking sense；
(9) after concrete reaches final setting time, back out nut, counterclockwise turn screw-thread steel bolt 2, take out screw thread
Steel bolt 2, forms bar planting hole 3；
(10), after bar planting hole 3 is formed, bar planting hole 3 is cleared up；
(11) anchoring adhesive is injected；Wherein implant reinforcing bar intensity depend mainly on the size of between reinforcing bar and anchoring adhesive, concrete
And the cohesive force between anchoring adhesive: described cohesive force one is bond, frictional force between bar planting reinforcing bar and anchoring adhesive
With mechanical snap effect；Two is frictional force, bond and the locking key effect between concrete and anchoring adhesive；So
The full of injecting glue must be noted during injecting glue；
(12) at bar planting hole 3, reinforcing bar is implanted.
Further, when concrete is implanted into reinforcing bar, implant length respectively not according to the length of collar tie beam at the two ends in its bar planting hole
Two same reinforcing bars；Forbid in completing after bar planting 24 hours by any disturbance, to ensure the normal cure of anchoring adhesive.
Further, the mixed earth after curing conservation carries out non-destructive pullout tests, obtains required collar tie beam and mix after pass the test
Solidifying earth pillar 4.
Further, reinforcing bar longer in a collar tie beam concrete column 4 and another collar tie beam coagulation are used between two collar tie beam concrete columns 4
Bar splicing shorter in earth pillar 4, mutually staggers in bar splicing position.
Further, the position of described bar splicing is that it is with shorter with the distance of the collar tie beam concrete column 4 at longer reinforcing bar place
2 times of distance of collar tie beam concrete column 4 at reinforcing bar place.
Further, the diameter in described bar planting hole 3 is as shown in table 1 with the optimum matching point implanting bar diameter.
| Implant bar diameter (mm) | Bar planting bore dia (mm) |
| 8 | 12 |
| 10 | 14 |
| 12 | 16 |
| 14 | 18 |
| 16 | 22 |
| 18 | 25 |
Table 1
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it is still
Technical scheme described in foregoing embodiments can be modified, or wherein portion of techniques feature is carried out equivalent replace
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical scheme
Spirit and scope.
Claims (9)
1. collar tie beam screw thread core pulling pore reinforced construction method, is characterized in that, comprises the following steps:
(1) snap the line location on bar planting side template, marks the position implanting reinforcing bar, wherein, is used for pouring into a mould collar tie beam
Two side templates in, the template of side needing boring is bar planting side template, it is not necessary to the mould of the opposite side of boring
Plate is non-bar planting side template；
(2) on described position, it is drilled preformed hole, then installs described bar planting side template；
(3) by an end of screw bolt through described preformed hole, to the inner surface of described non-bar planting side template, its
Another end is positioned at the outside of described bar planting side template；
(4) fixing another end described of nut is used；
(5) colligation bar planting side template and non-bar planting side template, pours into a mould concrete；
(6) concrete is when initial set, and dynamics the most repeatedly turns the screw bolt at described nut, to twisting
Fluent sense during dynamic described screw bolt；
(7) after concrete reaches final setting time, nut is backed out, screw bolt of back-outing, form bar planting hole；
(8) after bar planting hole is formed, clear up bar planting hole, inject anchoring adhesive, implant reinforcing bar.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 1, is characterized in that, plant installing
Non-bar planting side template has been installed before muscle side template, and the stirrup in the good bar planting side template of colligation and non-bar planting side template.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 2, is characterized in that, a described end
After the inner surface of end extremely described non-bar planting side template, described screw bolt is fixed with described stirrup colligation.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 1, is characterized in that, in step (6)
Screw bolt is turned by the most inverse rear suitable direction；In step (7), screw bolt is back-outed counterclockwise.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 1, is characterized in that, at concrete
When being implanted into reinforcing bar, respectively implant the reinforcing bar that length is different at the two ends in described bar planting hole；Curing conservation completes
After carry out pullout tests formed collar tie beam concrete column.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 5, is characterized in that, described bar planting
The length of the reinforcing bar that hole is implanted into determines according to the length of collar tie beam.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 5, is characterized in that, at two collar tie beams
When concrete column connects, the steel that reinforcing bar longer in a collar tie beam concrete column is shorter with another collar tie beam concrete column
Muscle overlaps, and mutually staggers in the position of bar splicing.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 5, is characterized in that, described reinforcing bar
The position of overlap joint is itself and shorter reinforcing bar place with the distance of the collar tie beam concrete column at longer reinforcing bar place
2 times of the distance of collar tie beam concrete column.
Collar tie beam screw thread core pulling pore reinforced construction method the most according to claim 1, is characterized in that, described reserved
Hole uses the bit bore of machinery to be formed, the big 4mm of diameter of described bit diameter more described implantation reinforcing bar～
8mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138345.8A CN104727551B (en) | 2015-03-26 | 2015-03-26 | Ring beam screw thread core pulling embedded steel bar construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510138345.8A CN104727551B (en) | 2015-03-26 | 2015-03-26 | Ring beam screw thread core pulling embedded steel bar construction method |
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| Publication Number | Publication Date |
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| CN104727551A CN104727551A (en) | 2015-06-24 |
| CN104727551B true CN104727551B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510138345.8A Active CN104727551B (en) | 2015-03-26 | 2015-03-26 | Ring beam screw thread core pulling embedded steel bar construction method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109291239A (en) * | 2018-09-30 | 2019-02-01 | 上海宝冶集团有限公司 | Electrical spool buries production method and fabricated construction beam in fabricated construction beam |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0819770B2 (en) * | 1989-01-20 | 1996-02-28 | 宇部興産株式会社 | Fixture with formwork support nut |
| CN1198036C (en) * | 2002-06-03 | 2005-04-20 | 刘宣传 | Method for mounting anchor tendon penetrated mechanically |
| CN101457570A (en) * | 2007-12-14 | 2009-06-17 | 卢锡雷 | Internal thread type reinforced bar adding method |
| JP2010138614A (en) * | 2008-12-12 | 2010-06-24 | Funaki Shoji Kk | Panel used as form, and construction structure and construction method of concrete wall using the same |
| CN101748899B (en) * | 2010-01-14 | 2011-03-30 | 中天建设集团有限公司 | Method for pore forming by embedding assistant bonded rebar in reinforced concrete structure |
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