CN109137750A - A kind of concrete preformed hole production method - Google Patents
A kind of concrete preformed hole production method Download PDFInfo
- Publication number
- CN109137750A CN109137750A CN201811237862.0A CN201811237862A CN109137750A CN 109137750 A CN109137750 A CN 109137750A CN 201811237862 A CN201811237862 A CN 201811237862A CN 109137750 A CN109137750 A CN 109137750A
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- China
- Prior art keywords
- preformed hole
- concrete
- latex
- production method
- rod iron
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of concrete preformed hole production methods, belong to field of civil engineering, its drip irrigation device is as follows, it includes the following steps: to prepare latex starch mixed solution A, water dilution first is added in latex, stirs evenly, starch is then added in latex, it stirs evenly, forms latex starch mixed solution A；Latex starch mixed solution A and paper handkerchief are successively wrapped from the inside to the outside on rod iron surface, it is dry to rod iron surface formation gel-like film；The rod iron handled well is embedded in the corresponding position of preformed hole, casting concrete；After concrete is dry, rod iron is extracted, forms preformed hole.The advantages of this method can be such that rod iron smoothly extracts, and have the adhesive property that can be improved between New-old concrete, extension concrete service life.The present invention is suitable for the production of concrete preformed hole.
Description
Technical field
The present invention relates to a kind of embedded processing method of concrete slab preformed hole, in particular to a kind of concrete preformed hole system
Make method.
Background technique
Currently, in the work progress of bridge project, especially during prefabricated subsection is to carry out assembled bridge, construction
Personnel need to box out on bridge surface, this way is for convenient for being fixed temporarily the facilities such as Hanging Basket at the construction field (site).Previous constructor
The way of member is that preformed hole 4(is made referring to Fig. 1 with hollow rod iron 1), diameter is about within the scope of 2-4cm, and then installation is hung
Basket 6 etc. construction tools (referring to fig. 2).Bridge locally after construction, will remove Hanging Basket 6 and cram preformed hole 4 with concrete 3
(referring to Fig. 3).
Using above-mentioned construction method, it will cause many rod irons 1 for preformed hole 4 early period in construction and stay in hole, it is difficult to
The problem of extraction；Equally also will appear problem in the later period, bridge operation in, which easily gets rusty, and due to concrete 3 it
Between adhesive surface change, using the inner wall of rod iron 1 as adhesive surface, new concrete 3 is difficult to successful bond, leads to roll-off
(referring to fig. 4), 3 service life of concrete is influenced.
In view of above-mentioned technical problem, the designer be based on being engaged in the application of such product engineering for many years practical experience abundant and
Professional knowledge, and cooperate the utilization of scientific principle, actively it is subject to research and innovation, to found a kind of concrete preformed hole production method,
Make it with more practicability.
Summary of the invention
The object of the present invention is to provide a kind of concrete preformed hole production methods, rod iron can be made smoothly to extract, and have
The advantages of can be improved the adhesive property between New-old concrete, extending concrete service life.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of concrete preformed hole production method, includes the following steps:
1.1 prepare latex starch mixed solution A, and water dilution first is added in latex, is stirred evenly, is then added and forms sediment in latex
Powder stirs evenly, and forms latex starch mixed solution A；
1.2 successively wrap latex starch mixed solution A and paper handkerchief on rod iron surface from the inside to the outside, dry to rod iron surface formation glue
Shape film；
The rod iron handled well is embedded in the corresponding position of preformed hole, casting concrete by 1.3；
1.4 after concrete is dry, extracts rod iron, forms preformed hole.
Further, the mass parts ratio of water, latex and starch is 0.7:1 in the latex starch mixed solution A:
1.1~1.1:1:1.5.
Further, the gel-like film is made of paper handkerchief and gel layer, the gel-like film with a thickness of 1.0~
1.4mm。
Further, the rod iron includes clamping portion and processing unit, and the radius in the clamping portion is equal to the radius of preformed hole,
The radius that the radius of the processing unit is equal to preformed hole subtracts the thickness of gel-like film.
Further, the length of the processing unit is more than or equal to the depth of preformed hole.
Further, step 1.5 is had additional after step 1.4；
The 1.5 removal remaining paper handkerchiefs of preformed hole inner wall: water is filled into preformed hole, is impregnated 1-2 hours, softens paper handkerchief, using special
The paper handkerchief after softening is smashed to pieces with tool and is struck off.
Further, the specific purpose tool includes holding rod and cleaning head, and the cleaning head and the lower end of holding rod are fixed
Connection, the cleaning head include scraping paper portion, the paper portion of scraping including at least an arc-shaped sword side, the radius on the sword side in advance
The radius boxed out is equal.
Further, the cleaning head further includes an arc-shaped mill paper portion, and the mill paper portion is integrally formed with paper portion is scraped
And be oppositely arranged, the radius in the mill paper portion is equal to the radius of preformed hole, and the mill paper portion is equipped with several spherical abrasive grains.
Further, described scrape offers storage paper chamber in paper portion, and intracavitary be equipped with of the storage paper is detained needle.
Further, step 1.6 is had additional after step 1.5；
After 1.6 constructions, casting concrete is crammed in preformed hole.
The invention has the following advantages:
First rod iron is handled, so that rod iron surface is formed gel-like film, then by the pre-buried position to preformed hole of rod iron, then pours
Concrete is built, after concrete coagulation, since gel-like film completely cuts off air, and because of the special proportion of water, latex and starch, energy
So that gel layer is not thoroughly dried solidification, be always maintained at the fragile gel state of comparison, makes rod iron be easy to extract, ensure that and apply
Working medium amount, reduces difficulty of construction.
The prior art is when blocking preformed hole, using rod iron inner wall as adhesive surface when new concreting, in comparison,
Since rod iron has been pulled out in the present invention, the concrete wall of preformed hole is adhesive surface, significantly improves new concrete and old
The advantages of adhesive property between concrete, extension concrete service life.
Detailed description of the invention
Fig. 1 is in the prior art for embodying the structural schematic diagram between rod iron, preformed hole and concrete；
Fig. 2 is the structural schematic diagram after being used to embody installation Hanging Basket in the prior art between rod iron, preformed hole and concrete；
Fig. 3 is the structural schematic diagram after being used to embody closure preformed hole in the prior art between rod iron and concrete；
Fig. 4 is in the prior art for embodying the structural schematic diagram that concrete glides in preformed hole；
Fig. 5 to Fig. 6 is in embodiment 1 for embodying the flow chart of concrete preformed hole production method；
Fig. 7 is in embodiment 1 for embodying the schematic diagram of the paper handkerchief of removal preformed hole hole wall；
Fig. 8 is in embodiment 1 for embodying the schematic diagram after preformed hole blocks；
Fig. 9 is in embodiment 1 for embodying the structural schematic diagram of gel-like film；
Figure 10 is in embodiment 2 for embodying the structural schematic diagram of rod iron；
Figure 11 is in embodiment 3 for embodying the structural schematic diagram of specific purpose tool.
In figure, 1, rod iron；11, clamping portion；12, processing unit；2, gel-like film；21, paper handkerchief；22, gel layer；3, coagulation
Soil；4, preformed hole；5, specific purpose tool；51, holding rod；52, head is cleared up；521, paper portion is scraped；5211, sword side；5212, paper chamber is stored up；
5213, it is detained needle；522, paper portion is ground；5221, abrasive grain；6, Hanging Basket.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1: a kind of concrete preformed hole production method includes the following steps: as shown in Fig. 5 to Fig. 8
1.1 prepare latex starch mixed solution A, and water dilution first is added in latex, is stirred evenly, is then added and forms sediment in latex
Powder stirs evenly, and forms latex starch mixed solution A；
1.2 successively wrap latex starch mixed solution A and paper handkerchief 21 on 1 surface of rod iron from the inside to the outside, dry to 1 surface shape of rod iron
Agglutination film 2；
The rod iron 1 handled well is embedded in the corresponding position of preformed hole 4, casting concrete 3 by 1.3；
1.4 after concrete 3 is dry, extracts rod iron 1, forms preformed hole 4.
The 1.5 removal remaining paper handkerchiefs 21 of 4 inner wall of preformed hole: water is filled into preformed hole 4, is impregnated 1-2 hours, paper handkerchief is softened
21, the paper handkerchief 21 after softening is smashed to pieces using specific purpose tool 5 and is struck off；
After 1.6 constructions, casting concrete 3 is crammed in preformed hole 4.
Wherein, the mass parts ratio of water, latex and starch is 0.7:1:1.1 in latex starch mixed solution A, is formed
Gel-like film 2 with a thickness of 1.0~1.4mm, the thickness of thickness and gel layer 22 including paper handkerchief 21 (referring to Fig. 9).
Wherein, when selecting paper handkerchief 21, it can choose face tissue inferior, on the one hand can reduce cost, another face is bad
Often it is added to the additives such as talcum powder in the face tissue of matter, thus the easily damaged clast in close to powder increases coagulation
Contact area between soil 3, makes new concrete 3 be easier to bond, ensure that the service life of construction quality and concrete 3.
First rod iron 1 is handled, 1 surface of rod iron is made to form gel-like film 2, it is then that rod iron 1 is pre-buried to preformed hole 4
Position, then casting concrete 3, after the condensation of concrete 3, since gel-like film 2 completely cuts off air, and because of water, latex and starch
Special proportion, gel layer 22 can be made thoroughly not dry solidification, the fragile gel state of comparison is always maintained at, makes rod iron 1
It is easy to extract, ensure that construction quality, reduce difficulty of construction.
The prior art is when blocking preformed hole 4, using 1 inner wall of rod iron as adhesive surface when new concrete 3 pours, compare and
It says, since rod iron 1 has been pulled out in the present invention, 3 wall of concrete of preformed hole 4 is adhesive surface, significantly improves new concrete 3
The advantages of adhesive property between old concrete 3, extension 3 service life of concrete.
The mass parts ratio of water, latex and starch is 0.7:1:1.1 in latex starch mixed solution A, under the proportion,
It can guarantee that gel-like film 2 will not be dried thoroughly in 25 days, water, latex can be selected according to construction speed and difficulty of construction
And the mass parts ratio of starch, to guarantee economy.
Embodiment 2: a kind of concrete preformed hole production method, difference from example 1 is that, the mixing of latex starch
The mass parts ratio of water, latex and starch is that 0.9:1:1.3 can guarantee that gel-like film 2 exists under the proportion in solution A
It will not thoroughly be dried in 33 days, the mass fraction of water, latex and starch can be selected according to construction speed and difficulty of construction
Than to guarantee economy.
Embodiment 3: a kind of concrete preformed hole production method, difference from example 1 is that, the mixing of latex starch
The mass parts ratio of water, latex and starch is that 1.1:1:1.5 can guarantee that gel-like film 2 exists under the proportion in solution A
It will not thoroughly be dried in 20 days, the mass fraction of water, latex and starch can be selected according to construction speed and difficulty of construction
Than to guarantee economy.
Embodiment 4: a kind of concrete preformed hole production method, as shown in Figure 10, to guarantee preformed hole 4(referring to Fig. 6) big
Small controllability, while difficulty of construction is reduced, rod iron 1 used in above-described embodiment includes clamping portion 11 and processing unit 12, folder
The radius in portion 11 is taken to be equal to the radius of preformed hole 4, the radius that the radius of processing unit 12 is equal to preformed hole 4 subtracts gel-like film 2
Thickness.The length of processing unit 12 is more than or equal to the depth of preformed hole 4.In the actual use process, remote in processing unit 12
One end from clamping portion 11 extends one section of embedded section, and the diameter of embedded section is different from the diameter of processing unit 12, facilitates the depth of rod iron 1
Degree positioned, when guaranteeing that subsequent concrete 3 pours the height of processing unit 12 be greater than or equal to concrete 3 height.
The setting in clamping portion 11 facilitates rod iron 1 to extract from preformed hole 4, and rod iron 1 can also be reused, and economy is quite prominent.
Embodiment 5: a kind of concrete preformed hole production method, as shown in figure 11, specific purpose tool 5 is including holding rod 51 and clearly
Head 52 is managed, cleaning head 52 is fixedly connected with the lower end of holding rod 51, and cleaning head 52 includes scraping paper portion 521, is scraped paper portion 521 and is at least wrapped
Include an arc-shaped sword side 5211, remain in preformed hole 4(referring to Fig. 6 for striking off) on hole wall biggish paper handkerchief 21(referring to figure
9), the radius of radius with preformed hole 4 on sword side 5211 is equal, and sword side 5211 is enable to be bonded the hole wall of preformed hole 4.Scrape paper portion
Storage paper chamber 5212 is offered on 521, is equipped in storage paper chamber 5212 and is detained needle 5213, for paper handkerchief 21 to be trapped in storage paper chamber 5212
It is interior.Here, rubber slab can be placed by storing up in paper chamber 5212, being detained needle 5213 can be integrally formed with rubber slab；Needle can also be detained
5213 directly dismountable fixed forms are fixed in storage paper chamber 5212, such as are adhered to or be fixed on storage by screw connector
In paper chamber 5212.
As shown in figure 11, cleaning head 52 further includes an arc-shaped mill paper portion 522, grinds paper portion 522 and scrapes 521 one of paper portion
Form and be oppositely arranged, mill paper portion 522 radius be equal to preformed hole 4(referring to Fig. 6) radius, enable grind paper portion 522 cambered surface
It is enough bonded the hole wall of preformed hole 4, the cambered surface in mill paper portion 522 is equipped with several spherical abrasive grains 5221.Here, abrasive grain 5221 can be with
It is distributed in matrix；It can also be distributed in divergence form.When abrasive grain 5221 in divergence form be distributed when, can using from center to edge by
Close to thin distribution, can achieve the effect that preliminary grinding and fine grinding simultaneously.Biggish paper handkerchief 21(ginseng on 4 hole wall of preformed hole will be remained in
See Fig. 9) strike off after, for the paper handkerchief 21 of some very littles, can be polished by abrasive grain 5221, keep its particle more tiny,
Thus increase concrete 3(referring to Fig. 6) between contact area, make new concrete 3 be easier to bond, ensure that construction quality
With the service life of concrete 3.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of concrete preformed hole production method, which comprises the steps of:
1.1 prepare latex starch mixed solution A, and water dilution first is added in latex, is stirred evenly, is then added and forms sediment in latex
Powder stirs evenly, and forms latex starch mixed solution A；
1.2 successively wrap latex starch mixed solution A and paper handkerchief (21) on rod iron (1) surface from the inside to the outside, dry to rod iron (1)
Surface forms gel-like film (2)；
The rod iron handled well (1) is embedded in the corresponding position of preformed hole (4), casting concrete (3) by 1.3；
1.4 after concrete (3) are dry, extract rod iron (1), formed preformed hole (4).
2. a kind of concrete preformed hole production method according to claim 1, which is characterized in that the latex starch mixing
The mass parts ratio of water, latex and starch is 0.7:1:1.1~1.1:1:1.5 in solution A.
3. a kind of concrete preformed hole production method according to claim 1, which is characterized in that the gel-like film (2)
Be made of paper handkerchief (21) and gel layer (22), the gel-like film (2) with a thickness of 1.0~1.4mm.
4. a kind of concrete preformed hole production method according to claim 1, which is characterized in that the rod iron (1) includes
Clamping portion (11) and processing unit (12), the radius of the clamping portion (11) are equal to the radius of preformed hole (4), the processing unit (12)
Radius be equal to the radius of preformed hole (4) and subtract the thickness of gel-like film (2).
5. a kind of concrete preformed hole production method according to claim 4, which is characterized in that the processing unit (12)
Length is more than or equal to the depth of preformed hole (4).
6. a kind of concrete preformed hole production method according to claim 1, which is characterized in that increase after step 1.4
Equipped with step 1.5；
The 1.5 removals remaining paper handkerchief of preformed hole (4) inner wall (21): filling water into preformed hole (4), impregnates 1-2 hours, softens paper
Paper handkerchief (21) after softening is smashed to pieces using specific purpose tool (5) and is struck off by towel (21).
7. a kind of concrete preformed hole production method according to claim 6, which is characterized in that the specific purpose tool (5)
Including holding rod (51) and cleaning head (52), cleaning head (52) is fixedly connected with the lower end of holding rod (51), the cleaning
Head (52) includes scraping paper portion (521), and described scrape paper portion (521) are including at least an arc-shaped sword side (5211), the sword side
(5211) radius is equal with the radius of preformed hole (4).
8. a kind of concrete preformed hole production method according to claim 7, which is characterized in that the cleaning head (52) is also
Including an arc-shaped mill paper portion (522), the mill paper portion (522) with scrape paper portion (521) be integrally formed and be oppositely arranged, it is described
The radius for grinding paper portion (522) is equal to the radius of preformed hole (4), and the mill paper portion (522) is equipped with several spherical abrasive grains
(5221)。
9. a kind of concrete preformed hole production method according to claim 7 or 8, which is characterized in that described to scrape paper portion
(521) storage paper chamber (5212) is offered on, is equipped in the storage paper chamber (5212) and is detained needle (5213).
10. a kind of concrete preformed hole production method according to claim 5, which is characterized in that increase after step 1.5
Equipped with step 1.6；
After 1.6 constructions, casting concrete (3) is crammed in preformed hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237862.0A CN109137750A (en) | 2018-10-23 | 2018-10-23 | A kind of concrete preformed hole production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237862.0A CN109137750A (en) | 2018-10-23 | 2018-10-23 | A kind of concrete preformed hole production method |
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| Publication Number | Publication Date |
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| CN109137750A true CN109137750A (en) | 2019-01-04 |
Family
ID=64809143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811237862.0A Pending CN109137750A (en) | 2018-10-23 | 2018-10-23 | A kind of concrete preformed hole production method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107608A (en) * | 1987-11-12 | 1988-07-13 | 中国人民武装警察部队水电第二总队 | Method of making hole using spiralpipe |
| US20030014926A1 (en) * | 2001-07-18 | 2003-01-23 | Mirko Champa | Pitch pocket |
| CN101122174A (en) * | 2007-09-25 | 2008-02-13 | 河北保定城乡建设集团有限责任公司 | Architecture pipeline preformed hole production method |
| CN202173364U (en) * | 2011-07-28 | 2012-03-28 | 宋嘉琪 | Ground stain cleaning shovel |
| CN203876019U (en) * | 2014-01-29 | 2014-10-15 | 初明进 | Pore-forming member manufacturing preformed hole of precast concrete component |
| CN207987746U (en) * | 2017-12-29 | 2018-10-19 | 中国水利水电第四工程局有限公司 | Concrete embedded sleeve and its protective device |
-
2018
- 2018-10-23 CN CN201811237862.0A patent/CN109137750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107608A (en) * | 1987-11-12 | 1988-07-13 | 中国人民武装警察部队水电第二总队 | Method of making hole using spiralpipe |
| US20030014926A1 (en) * | 2001-07-18 | 2003-01-23 | Mirko Champa | Pitch pocket |
| CN101122174A (en) * | 2007-09-25 | 2008-02-13 | 河北保定城乡建设集团有限责任公司 | Architecture pipeline preformed hole production method |
| CN202173364U (en) * | 2011-07-28 | 2012-03-28 | 宋嘉琪 | Ground stain cleaning shovel |
| CN203876019U (en) * | 2014-01-29 | 2014-10-15 | 初明进 | Pore-forming member manufacturing preformed hole of precast concrete component |
| CN207987746U (en) * | 2017-12-29 | 2018-10-19 | 中国水利水电第四工程局有限公司 | Concrete embedded sleeve and its protective device |
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Application publication date: 20190104 |
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