CN104727551A - 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
- Publication number
- CN104727551A CN104727551A CN201510138345.8A CN201510138345A CN104727551A CN 104727551 A CN104727551 A CN 104727551A CN 201510138345 A CN201510138345 A CN 201510138345A CN 104727551 A CN104727551 A CN 104727551A
- Authority
- CN
- China
- Prior art keywords
- collar tie
- bar planting
- tie beam
- bar
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
In correlation technique, the bar planting construction of concrete beam, is on the concrete beam poured into a mould, adopt power auger bar planting hole, then to the cleaning of bar planting hole, then injecting glue bar planting.
Inventor finds, machine drilling can cause certain infringement to the concrete beam poured into a mould, and the intensity of simultaneously constructing is large; The bar planting hole of having bored not easily is cleaned out, and the adhesion stress 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 concrete beam, does not namely need to carry out machine drilling on the concrete beam poured into a mould, and do not cause damage to the concrete beam poured into a mould, the intensity of construction is little; Bar planting hole easy to clean is clean.
For solving the problems of the technologies described above, the technical solution used in the present invention is, collar tie beam screw thread core pulling pore reinforced construction method, comprises the following steps:
(1) snap the line location on bar planting side template, marks the position of implanting reinforcing bar, and wherein, for pouring into a mould in two side templates of collar tie beam, the template needing the side of boring is bar planting side template, and the template not needing the opposite side of holing is non-bar planting side template;
(2) bore preformed hole in described position, then install described bar planting side template;
(3) end of screw bolt is passed 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 adopted;
(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 repeatedly turns the screw bolt at described nut place uniformly back and forth, to fluent sense when turning screw bolt;
(7) after concrete reaches final setting time, back out nut, screw bolt of back-outing, form bar planting hole;
(8), after bar planting hole is formed, cleaning bar planting hole, injects anchoring adhesive, implants reinforcing bar.
Non-bar planting side template has first been installed before installing bar planting side template, and the stirrup in the good bar planting side template of colligation and non-bar planting side template.
After a described end to the inner surface of described non-bar planting side template, described screw bolt and stirrup colligation are fixed; If when residing for described screw bolt, plan-position is without stirrup, main muscle angular direction is set up and the reinforcing bar of stirrup with diameter in stirrup, and described screw bolt is fixed in colligation.
When concrete is implanted into reinforcing bar, the length according to collar tie beam implants two different reinforcing bars of length respectively at the two ends in described bar planting hole; Carry out pullout tests after curing conservation completes and form collar tie beam concrete column.
When two collar tie beam concrete columns connect, bar splicing shorter in longer reinforcing bar and another collar tie beam concrete column in a collar tie beam concrete column, staggers mutually in the position of bar splicing.
As preferably, described preformed hole adopts the bit bore of machinery to be formed, the large 4mm ~ 8mm of diameter of described bit diameter more described implantation reinforcing bar.
Beneficial effect of the present invention: the present invention adopts the preformed hole boring bar planting on bar planting side template, avoids and bore bar planting hole on the concrete beam poured into a mould, do not cause damage to the concrete beam poured into a mould; Repeatedly screw bolt is turned back and forth after the concrete initial set of building, make screw bolt form screw thread in the inside of concrete beam, being convenient to form removal rear thread bolt can need not extract out by machinery, and bar planting hole is easy to cleaning, reduce construction intensity, shorten the engineering time; Because concrete two inside forms helicitic texture, increase the contact area of anchoring adhesive and concrete beam inside, increase cementation power and the pulling test strength of anchoring adhesive and concrete beam; Two reinforcing bars that adopt in mixed earth beam that one is long and the other is short, adopt overlapping mode between collar tie beam, decrease lap joint, save amount of reinforcement, reduce construction cost.
Accompanying drawing explanation
Fig. 1 threaded rod of loosing core buries schematic diagram underground in advance
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
By reference to the accompanying drawings, 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 stirrup in the good bar planting side template 1 of colligation and non-bar planting side template, wherein, for pouring into a mould in two side templates of collar tie beam, the template needing the side of boring is bar planting side template, and the template not needing the opposite side of holing is non-bar planting side template;
(2) snap the line location on bar planting side template 1, marks the position of implanting reinforcing bar;
(3) bore preformed hole in described position, then install described bar planting side template 1; The wherein diameter of drill bit 4mm ~ 8mm larger than the diameter will implanting reinforcing bar;
(4) end of screw-thread steel bolt 2 is passed 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 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 adopted;
(7) colligation bar planting side template 1 and non-bar planting side template, fluid concrete;
(8) concrete is when initial set, repeatedly turns the screw-thread steel bolt 2 at described nut place back and forth uniformly by die nut dynamics by first inverse rear suitable order, 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, form bar planting hole 3;
(10) after bar planting hole 3 is formed, cleaning bar planting hole 3;
(11) anchoring adhesive is injected; The size wherein implanting the intensity of reinforcing bar depends primarily on the adhesion stress between reinforcing bar and anchoring adhesive, between concrete and anchoring adhesive: described adhesion stress one is bond between bar planting reinforcing bar and anchoring adhesive, frictional force and mechanical snap effect; Two is frictional force between concrete and anchoring adhesive, bond and locking key effect; So the full of injecting glue must be noted in injecting glue process;
(12) reinforcing bar is implanted at bar planting hole 3 place.
Further, when concrete is implanted into reinforcing bar, the length according to collar tie beam implants two different reinforcing bars of length respectively at the two ends in its bar planting hole; Completing in 24 hours after bar planting forbids 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 concrete column 4 after pass the test.
Further, adopting bar splicing shorter in longer reinforcing bar and another collar tie beam concrete column 4 in a collar tie beam concrete column 4 between two collar tie beam concrete columns 4, staggers mutually in bar splicing position.
Further, the distance of the position of described bar splicing and the collar tie beam concrete column 4 at longer reinforcing bar place is it and 2 times of the distance of the collar tie beam concrete column 4 at shorter 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 embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
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 of implanting reinforcing bar, and wherein, for pouring into a mould in two side templates of collar tie beam, the template needing the side of boring is bar planting side template, and the template not needing the opposite side of holing is non-bar planting side template;
(2) on described position, bore preformed hole, then install described bar planting side template;
(3) end of screw bolt is passed 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 adopted;
(5) colligation bar planting side template and non-bar planting side template, the mixed earth of cast;
(6) concrete is when initial set, and dynamics repeatedly turns the screw bolt at described nut place equably back and forth, to fluent sense when turning described screw bolt;
(7) after concrete reaches final setting time, back out nut, screw bolt of back-outing, form bar planting hole;
(8), after bar planting hole is formed, cleaning bar planting hole, injects anchoring adhesive, implants reinforcing bar.
2. collar tie beam screw thread core pulling pore reinforced construction method according to claim 1, is characterized in that, has installed non-bar planting side template before installing bar planting side template, and the stirrup in the good bar planting side template of colligation and non-bar planting side template.
3. collar tie beam screw thread core pulling pore reinforced construction method according to claim 2, is characterized in that, after a described end to the inner surface of described non-bar planting side template, described screw bolt and described stirrup colligation are fixed.
4. collar tie beam screw thread core pulling pore reinforced construction method according to claim 1, is characterized in that, in step (5), screw bolt is by first turning against rear suitable direction; In step (6), screw bolt is by counterclockwise back-outing.
5. collar tie beam screw thread core pulling pore reinforced construction method according to claim 1, is characterized in that, when concrete is implanted into reinforcing bar, respectively implants the reinforcing bar that length is different at the two ends in described bar planting hole; Carry out pullout tests after curing conservation completes and form collar tie beam concrete column.
6. collar tie beam screw thread core pulling pore reinforced construction method according to claim 5, is characterized in that, the length of the reinforcing bar that described bar planting hole is implanted into is determined according to the length of collar tie beam.
7. collar tie beam screw thread core pulling pore reinforced construction method according to claim 5, it is characterized in that, when two collar tie beam concrete columns connect, bar splicing shorter in longer reinforcing bar and another collar tie beam concrete column in a collar tie beam concrete column, staggers mutually in the position of bar splicing.
8. collar tie beam screw thread core pulling pore reinforced construction method according to claim 5, is characterized in that, the distance of the position of described bar splicing and the collar tie beam concrete column at longer reinforcing bar place is it and 2 times of the distance of the collar tie beam concrete column at shorter reinforcing bar place.
9. collar tie beam screw thread core pulling pore reinforced construction method according to claim 1, is characterized in that, described preformed hole adopts the bit bore of machinery to be formed, the large 4mm ~ 8mm of diameter of described bit diameter more described implantation reinforcing bar.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104727551A true CN104727551A (en) | 2015-06-24 |
| CN104727551B CN104727551B (en) | 2017-01-11 |
Family
ID=53451904
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104727551B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194273A (en) * | 1989-01-20 | 1990-07-31 | Ube Ind Ltd | Fixture with nut for supporting form |
| CN1382891A (en) * | 2002-06-03 | 2002-12-04 | 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 |
| CN101748899A (en) * | 2010-01-14 | 2010-06-23 | 中天建设集团有限公司 | Method for pore forming by embedding assistant bonded rebar in reinforced concrete structure |
| 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 |
-
2015
- 2015-03-26 CN CN201510138345.8A patent/CN104727551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194273A (en) * | 1989-01-20 | 1990-07-31 | Ube Ind Ltd | Fixture with nut for supporting form |
| CN1382891A (en) * | 2002-06-03 | 2002-12-04 | 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 |
| CN101748899A (en) * | 2010-01-14 | 2010-06-23 | 中天建设集团有限公司 | Method for pore forming by embedding assistant bonded rebar in reinforced concrete structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104727551B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11293183B2 (en) | Precast column base joint and construction method therefor | |
| CN109057840B (en) | Self-adaptive grouting reinforcement anchor rod under high stress and anchoring construction method thereof | |
| CN103452332A (en) | Method for repairing construction engineering floor slab crack | |
| CN203756203U (en) | Self-drilling type full-thread bolt grouting anchor rod | |
| CN103075013B (en) | Building construction steel bar connection structure and connection method | |
| CN103821520B (en) | The method of fixing mine vertical shaft shaft equipment | |
| CN206090861U (en) | Portable built -in fitting is used in curtain installation | |
| CN100370171C (en) | Excavation-free integral restoration method of underground conduit and inspection well | |
| CN105350640A (en) | A machinery connecting device between assembly type concrete prefabricated units and an operation method | |
| CN103015735A (en) | Construction method for planting wall lacing bars after pre-burying of sleeve assemblies | |
| KR100937237B1 (en) | Multiple soil-nailing ground reinforcement apparatus and multiple soil-nailing method | |
| KR101181468B1 (en) | Grout injection device and method using the same soil reinforcement | |
| CN104727551A (en) | Ring beam screw thread core pulling embedded steel bar construction method | |
| CN204435906U (en) | Planting reinforced bar into concrete device | |
| KR101456954B1 (en) | Non-welding type seismic reinforcing method for column using CFT | |
| JP6921536B2 (en) | Construction method of anchors to be installed in existing masonry and post-construction anchors | |
| CN204001270U (en) | A kind of reinforced concrete wall and masonry wall syndeton | |
| CN101397815B (en) | Construction method of pull rod expansion screw bolt post embedding wall lacing wire | |
| KR102522769B1 (en) | Fixing construction method of high-strength GFRP hollow bar for tunnel and ground reinforcement and its construction device | |
| KR20130029906A (en) | An expanding device of frictional force | |
| CN103615049B (en) | The node of newly-increased framework reinforcing bar and original structure anchoring and construction method thereof | |
| KR100716858B1 (en) | A under ground-process of rein force tube | |
| JP6884663B2 (en) | Repair / reinforcement method for existing structures | |
| CN109763391B (en) | Construction method for reinforcing base course and roadbed by single-hole composite grouting of damaged road | |
| CN112012243A (en) | Prefabricated integrated reinforced concrete inspection well and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |