CN102514092B - Method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling - Google Patents
Method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling Download PDFInfo
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- CN102514092B CN102514092B CN201110399309.9A CN201110399309A CN102514092B CN 102514092 B CN102514092 B CN 102514092B CN 201110399309 A CN201110399309 A CN 201110399309A CN 102514092 B CN102514092 B CN 102514092B
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- polyurethane foam
- cranny filler
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- precast beam
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Abstract
The invention discloses a method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling. The method comprises the following steps of: mounting the templates according to a design requirement; polishing and cleaning the inner surfaces of the templates, and smearing a releasing agent; performing dust and oil removal treatment on the joints among the templates; humidifying the joints among the templates; shaking a bottled polyurethane foam joint filling agent forth and back for multiple times to fully mix solvents in a bottle; and spraying the bottled polyurethane foam joint filling agent in the joints among the templates by using a glue gun for spraying the foam agent until 40 to 60 percent of the spaces in the joints is full of the polyurethane foam joint filling agent, and thus finishing the treatment of the joints of the precast beam templates for preventing slurry leakage and pointedness falling. The invention aims to provide the method for treating the joints of the precast beam templates and preventing slurry leakage and pointedness falling; the method can be widely applied to the beam ends and the sealed ends of precast beams; the construction process is simple, and is easy to operate; the cost is low; the problem of slurry leakage at the beam ends can be effectively solved; and the method is high in economic and social benefit.
Description
Technical field
The present invention relates to a kind of can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle.
Background technology
Precast beam can be widely used in highway bridge and railway bridge, in the manufacturing process of precast beam, need to, to the shutoff in addition of the gap between template, prevent that spillage from appearring in the gap between template, or cause precast beam to fall corner angle, to guarantee construction quality and the appearance looks elegant of precast beam.Now in the manufacturing process of precast beam; the maximum shutoff mode adopting is the methods such as geotextiles, Puttying, subsides sponge strip; these obstruction methods are owing to can not effectively solving spillage problem; usually can cause precast beam to occur falling the quality problems such as corner angle, outward appearance out-of-flatness, be difficult to meet design and construction requirement.
Summary of the invention
The object of the present invention is to provide a kind of beam-ends end-blocking that can be widely used in precast beam, construction technology is simple, easy to operate, with low cost, can effectively solve beam-ends spillage, have good economic and social benefit can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle.
Of the present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, comprise the steps:
A, template is installed according to designing requirement, then template position is proofreaied and correct, by clean the inner surface polishing of template, and smearing release agent;
B, to the seam crossing between template carry out dedusting, processing degreases;
C, the seam crossing between template is carried out to moistening processing;
D, choose performance and meet the canned cranny filler of polyurethane foam of following technical parameter:
E, rock canned cranny filler of polyurethane foam repeatedly back and forth, allow tank internal solvent fully mix, then utilize and spray foaming agent glue rifle, in the seam between template, spray canned cranny filler of polyurethane foam, spray to 40% of space in gap---60% is filled up by cranny filler of polyurethane foam;
F, etc. cranny filler of polyurethane foam automatically fill up gap, cranny filler of polyurethane foam is cured to intensity and reaches after established standards, or solidify 8-15 minutes, utilize cutting tool to repair the cranny filler of polyurethane foam of inseam surface between template, the cranny filler of polyurethane foam that protrudes from template is cleaned out, the place of depression is supplemented and fills out cranny filler of polyurethane foam;
G, etc. the cranny filler of polyurethane foam after finishing be cured to intensity and reach after established standards, or solidify 8-15 minutes, to the part smearing release agent that between template, inseam surface cranny filler of polyurethane foam exposes, completing can mortar leakage prevention, fall the moulding board of precast beam joint treatment of corner angle.
Of the present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, if the temperature of canned cranny filler of polyurethane foam is lower than 10 ℃ in wherein said step e, the warm water that batch can be put into 50 ℃ soaked after 5 minutes
,recycling sprays foaming agent glue rifle and spray canned cranny filler of polyurethane foam in the seam between template; If operating environment humidity low enter 60%, the increase ambient humidity of can spraying water, to improve foaming efficiency.
Of the present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, in wherein said step e, spray to 45% of space in gap---55% is filled up by cranny filler of polyurethane foam.
Of the present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, in wherein said step e, spray to 50% of space in gap and filled up by cranny filler of polyurethane foam.
Of the present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, it adopts the distinctive processing method of the present invention, comprise canned cranny filler of polyurethane foam repeatedly, allow tank internal solvent fully mix, then utilize and spray foaming agent glue rifle, in the seam between template, spray canned cranny filler of polyurethane foam, spray to 40% of space in gap---60% by steps such as cranny filler of polyurethane foam fill up, completing can mortar leakage prevention, fall the moulding board of precast beam joint treatment of corner angle.Therefore, the moulding board of precast beam treatment of juncture that the present invention can mortar leakage prevention, fall corner angle has the beam-ends end-blocking that can be widely used in precast beam, and construction technology is simple, easy to operate, with low cost, can effectively solve beam-ends spillage, there is good economic and social benefit.In addition moulding board of precast beam treatment of juncture that can mortar leakage prevention, fall corner angle, of the present invention also has following characteristics:
(1) easy to use, actuator that need not special training, can direct control;
(2) ejection automatically, does not need the equipment of building, and the pressure in inhalator jar can be injected into material in the gap of adjacent two steel forms automatically;
(3) automatic expansion, OCF can automatic expansion be filled into each corner in adjacent two steel form gaps;
(4) moisture-curable, without auxiliary curing agent, curable by airborne moisture;
(5) automatically cohere, do not need effects on surface to carry out pretreatment, steel form is had to good cohesiveness, can effectively solve spillage problem, to some beam-ends shutoff leak outside reinforcing bar, the template hole place's caulking joint of bellows place, there is very good effect.
Therefore moulding board of precast beam treatment of juncture that can mortar leakage prevention, fall corner angle, of the present invention has outstanding substantive distinguishing features and progressive significantly.
Below to the present invention can mortar leakage prevention, the moulding board of precast beam treatment of juncture that falls corner angle is described further.
The specific embodiment
Embodiment 1
The present invention can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, and it comprises the steps:
A, template is installed according to designing requirement, then template position is proofreaied and correct, by clean the inner surface polishing of template, and smearing release agent;
B, to the seam crossing between template carry out dedusting, processing degreases;
C, the seam crossing between template is carried out to moistening processing;
D, choose performance and meet the canned cranny filler of polyurethane foam of following technical parameter:
E, rock canned cranny filler of polyurethane foam repeatedly back and forth, allow tank internal solvent fully mix, then utilize and spray foaming agent glue rifle, in the seam between template, spray canned cranny filler of polyurethane foam, spray to 40% of space in gap---60% is filled up by cranny filler of polyurethane foam;
F, etc. cranny filler of polyurethane foam automatically fill up gap, cranny filler of polyurethane foam is cured to intensity and reaches after established standards, or solidify 8 minutes or 10 minutes or 15 minutes, utilize cutting tool to repair the cranny filler of polyurethane foam of inseam surface between template, the cranny filler of polyurethane foam that protrudes from template is cleaned out, the place of depression is supplemented and fills out cranny filler of polyurethane foam;
G, etc. the cranny filler of polyurethane foam after finishing be cured to intensity and reach after established standards, or solidify 8 minutes or 10 minutes or 15 minutes, to the part smearing release agent that between template, inseam surface cranny filler of polyurethane foam exposes, completing can mortar leakage prevention, fall the moulding board of precast beam joint treatment of corner angle.
If the temperature of canned cranny filler of polyurethane foam is lower than 10 ℃ in above-mentioned steps E, the warm water that batch can be put into 50 ℃ soaked after 5 minutes, and recycling sprays foaming agent glue rifle and spray canned cranny filler of polyurethane foam in the seam between template; If operating environment humidity low enter 60%, the increase ambient humidity of can spraying water, to improve foaming efficiency.
In above-mentioned steps E, preferably spray to 45% of space in gap---55% is filled up by cranny filler of polyurethane foam.
In above-mentioned steps E, preferably spray to 50% of space in gap and filled up by cranny filler of polyurethane foam.
Embodiment recited above is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under spiritual prerequisite not departing from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical solution of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (4)
1. can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, it is characterized in that comprising the steps:
A, template is installed according to designing requirement, then template position is proofreaied and correct, by clean the inner surface polishing of template, and smearing release agent;
B, to the seam crossing between template carry out dedusting, processing degreases;
C, the seam crossing between template is carried out to moistening processing;
D, choose performance and meet the canned cranny filler of polyurethane foam of following technical parameter:
E, rock canned cranny filler of polyurethane foam repeatedly back and forth, allow tank internal solvent fully mix, then utilize and spray foaming agent glue rifle, in the seam between template, spray canned cranny filler of polyurethane foam, spray to 40% of space in gap---60% is filled up by cranny filler of polyurethane foam;
F, etc. cranny filler of polyurethane foam automatically fill up gap, cranny filler of polyurethane foam is cured to intensity and reaches after established standards, or solidify 8-15 minutes, utilize cutting tool to repair the cranny filler of polyurethane foam of inseam surface between template, the cranny filler of polyurethane foam that protrudes from template is cleaned out, the place of depression is supplemented and fills out cranny filler of polyurethane foam;
G, etc. the cranny filler of polyurethane foam after finishing be cured to intensity and reach after established standards, or solidify 8-15 minutes, to the part smearing release agent that between template, inseam surface cranny filler of polyurethane foam exposes, completing can mortar leakage prevention, fall the moulding board of precast beam joint treatment of corner angle.
2. according to claim 1 can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, it is characterized in that: if the temperature of canned cranny filler of polyurethane foam is lower than 10 ℃ in described step e, the warm water that batch can be put into 50 ℃ soaked after 5 minutes, and recycling sprays foaming agent glue rifle and spray canned cranny filler of polyurethane foam in the seam between template; If operating environment humidity low enter 60%, the increase ambient humidity of can spraying water, to improve foaming efficiency.
3. according to claim 2 can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, it is characterized in that: in described step e, spray to 45% of space in gap---55% is filled up by cranny filler of polyurethane foam.
4. according to claim 3 can mortar leakage prevention, fall the moulding board of precast beam treatment of juncture of corner angle, it is characterized in that: in described step e, spray to 50% of space in gap and filled up by cranny filler of polyurethane foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399309.9A CN102514092B (en) | 2011-12-06 | 2011-12-06 | Method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399309.9A CN102514092B (en) | 2011-12-06 | 2011-12-06 | Method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102514092A CN102514092A (en) | 2012-06-27 |
| CN102514092B true CN102514092B (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110399309.9A Active CN102514092B (en) | 2011-12-06 | 2011-12-06 | Method for treating joints of precast beam templates and preventing slurry leakage and pointedness falling |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114086675A (en) * | 2021-11-26 | 2022-02-25 | 中建科工集团有限公司 | Construction method of waterproof structure of box type movable house |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219984A (en) * | 1978-11-30 | 1980-09-02 | San Maurice G De | Method of manufacturing building panels |
| DE29802172U1 (en) * | 1998-02-09 | 1999-02-04 | Braun, August, Schaffhausen | Plastering strip for window frames, door frames or the like. at the transition to plaster |
| CN1606500A (en) * | 2001-11-28 | 2005-04-13 | 詹姆斯哈迪研究有限公司 | Trough-edge building panel and method of manufacture |
| CN2890235Y (en) * | 2006-05-17 | 2007-04-18 | 北京建工一建工程建设有限公司 | Jointing formwork for structure member |
| CN201106234Y (en) * | 2007-08-10 | 2008-08-27 | 张明辰 | Heat preserving wall composed of cement foam concrete hollow wall board |
-
2011
- 2011-12-06 CN CN201110399309.9A patent/CN102514092B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219984A (en) * | 1978-11-30 | 1980-09-02 | San Maurice G De | Method of manufacturing building panels |
| DE29802172U1 (en) * | 1998-02-09 | 1999-02-04 | Braun, August, Schaffhausen | Plastering strip for window frames, door frames or the like. at the transition to plaster |
| CN1606500A (en) * | 2001-11-28 | 2005-04-13 | 詹姆斯哈迪研究有限公司 | Trough-edge building panel and method of manufacture |
| CN2890235Y (en) * | 2006-05-17 | 2007-04-18 | 北京建工一建工程建设有限公司 | Jointing formwork for structure member |
| CN201106234Y (en) * | 2007-08-10 | 2008-08-27 | 张明辰 | Heat preserving wall composed of cement foam concrete hollow wall board |
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| Publication number | Publication date |
|---|---|
| CN102514092A (en) | 2012-06-27 |
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