CN103866889A - Cast-in-place concrete hollow structure pore-forming core model and manufacturing method thereof - Google Patents
Cast-in-place concrete hollow structure pore-forming core model and manufacturing method thereof Download PDFInfo
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- CN103866889A CN103866889A CN201210551308.6A CN201210551308A CN103866889A CN 103866889 A CN103866889 A CN 103866889A CN 201210551308 A CN201210551308 A CN 201210551308A CN 103866889 A CN103866889 A CN 103866889A
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Abstract
The invention discloses a cast-in-place concrete hollow structure pore-forming core model. The cast-in-place concrete hollow structure pore-forming core model is manufactured by adopting laminated glass fiber mats through waterproof treatment or a plurality of layers of lass fiber cloth aggregates through waterproof treatment; glue is further coated on the surfaces of the laminated lass fiber mats or the glass fiber cloth aggregates, and defoaming treatment is carried out in the process of coating the glue. The manufacturing method comprises the following steps: according to mass percent, adding 50-80g magnesia powder, 10g coal ash and 5g bamboo fiber powder in every 100g glue, adding 0.1g lignosulfonate and 0.1-0.5ml diluted hydrochloric acid as well, and mixing well. The cast-in-place concrete hollow structure pore-forming core model and the manufacturing method have the advantages of light weight, high strength, high fire resistance, low cost, convenience for transportation and site operation.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of cast-in-place concrete hollow structure pore-creating core and preparation method thereof.
Background technology
In recent years, cast-in-place concrete hollow structure pore-creating core (referred to as pore-creating core or hole core) has obtained application more and more widely in building operations.In order to ensure the quality of building operations, People's Republic of China's house and town and country construction portion announced People's Republic of China's construction industry industry standard---" cast-in-place concrete hollow structure pore-creating core JG/T352-2012 " (referred to as JG/T352-2012 building standard) on February 6th, 2012.A series of technical indicators such as presentation quality, dimensional errors, Unit Weight and the performance of this standard to pore-creating core have been made regulation.
At present, conventional pore-creating core in building operations, with regard to it makes material, mainly comprises three basic forms of it, that is the pore-creating core made of cement, the pore-creating core that foamed material is made and the pore-creating core of plastic production.The pore-creating core that cement is made belongs to inorganic material pore-creating core, and in JG/T352-2012 building standard, its code name is W; The pore-creating core of foamed material or plastic production belongs to organic material pore-creating core, and in JG/T352-2012 building standard, its code name is Y.
The pore-creating core tool that cement is made all can meet the requirement of JG/T352-2012 building standard at aspects such as resistance to compression, anti-vibrating and impact and refractorinesss (anti-flammability), but, there is hardening time long (conventionally needing about 28 days) in this type of pore-creating core, and Heavy Weight, cost of transportation is high, difficulty of construction is large shortcoming.
The advantages such as the pore-creating core that foamed material is made has plurality of advantages, such as lightweight, constructability, but this type of pore-creating core is difficult to reach the requirement of JG/T352-2012 building standard aspect refractoriness.Even at the surperficial sticking glass fabric of foamed material, be also difficult to guarantee that the pore-creating core of made meets the requirement of JG/T352-2012 building standard.
That the pore-creating core of plastic production also has is lightweight, be convenient to the advantages such as transportation and construction, but the price of plastics is high, and the intensity of unit thickness plastics is lower, in order to ensure the intensity of pore-creating core, need to use more plastics, the wall of pore-creating core is done thicklyer, and the cost of manufacture that this just improves pore-creating core significantly, is unfavorable for applying of this type of pore-creating core.
Summary of the invention
The object of the invention is to, propose a kind of lightweight, cost is low, be convenient to transportation and construction and other performance indications meet the cast-in-place concrete hollow structure pore-creating core of JG/T352-2012 building standard completely, thereby overcome the deficiencies in the prior art.
In order to realize foregoing invention object, the present invention has adopted following technical proposals:
A kind of cast-in-place concrete hollow structure pore-creating core, it adopts the lamellar glass mat of processing through waterproof agent to make, and the surface of described glass mat is also coated with glue.
Described glue can adopt organic glue, the synthetic glue that also can adopt inorganic glue or be mixed by organic glue and inorganic glue.
On the basis of technique scheme, can further adopt following technological means to solve technical problem to be solved by this invention:
The thickness of described lamellar glass mat is 0.5-2 millimeter.
Preferably, in the process of the surface of described lamellar glass mat coating glue, glue is carried out to defoaming treatment.
Preferably, by mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, 10 grams of flyash and 5 grams of bamboo fibre powder, and mix well.Further, in every 100 grams of glue, also can add 0.1 gram of lignosulfonates and 0.1-0.5 milliliter watery hydrochloric acid, and mix well.Its effect is the intensity that further strengthens cast-in-place concrete hollow structure pore-creating core.
Preferably, be coated with 2-5 layer glue on the surface of described lamellar glass mat.
Preferably, in the time of the surface of described lamellar glass mat coating glue, the temperature of floating glue is controlled within the scope of 40-45 ℃.
Preferably, described cast-in-place concrete hollow structure pore-creating core be shaped as semicircle tubular, that is its cross section is semicircle fox shape.
The present invention also provides a kind of technical scheme with glass fabric instead of glass fibrofelt, and the particular content of this technical scheme is as follows:
Adopt 2 layers of above glass fabric of crossing through waterproofing work, the glass fabric that preferably adopts 5-10 layer to cross through waterproofing work, the compacting that in layer fastens with glue forms lamellar glass fabric aggregate, is coated with glue on the surface of described lamellar glass fabric aggregate.Further, by mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, 10 grams of flyash, 5 grams of bamboo fibre powder, 0.1 gram of lignosulfonates and 0.1-0.5 milliliter watery hydrochloric acid.Preferably, its cross section is semicircle fox shape.
Cast-in-place concrete hollow structure pore-creating core of the present invention has following beneficial effect:
Lightweight (its weight approach organic material make pore-creating core), thickness is little, intensity is large (its intensity can with cement make pore-creating core match in excellence or beauty), refractoriness is strong, cost is low, be convenient to transport and site operation.Lightweight, technique effect that refractoriness is strong and cost is low derives from the feature of glass mat self, as little in unit weight, price is low, refractoriness is strong etc.And after processing by waterproof agent, apply again glue, particularly apply the glue that contains the auxiliary materials such as magnesia powder, flyash, bamboo fibre powder and lignosulfonates, can increase substantially the intensity of the cast-in-place concrete hollow structure pore-creating core of glass mat and making thereof.
The specific embodiment
Embodiment mono-
In the present embodiment, the shape of the shape of cast-in-place concrete hollow structure pore-creating core and the conventional model of JG/T352-2012 building standard defined (being also in fact the shape of pore-creating core common on market) is consistent, be generally cylindric (tubulose) or rectangular box, surface can have evagination or/and groove.Cast-in-place concrete hollow structure pore-creating core of the present invention is that from the most essential difference of prior art material is different, manufacture craft is different.
The manufacturing process of cast-in-place concrete hollow structure pore-creating core of the present invention comprises following key step:
Step 1, select up-to-standard lamellar glass mat, preferably selecting thickness is the lamellar glass mat of 0.5-2 millimeter, as basic raw material, prepare simultaneously waterproof agent, glue (on market, common are machine glue, inorganic glue all can, the preferential synthetic glue being mixed by organic glue and inorganic glue that adopts), the auxiliary material such as magnesia powder, flyash, bamboo fibre powder.
Step 2, lamellar glass mat is carried out to waterproofing work with waterproof agent.For example, can adopt the method such as dip-coating (lamellar glass mat is immersed in waterproof agent, then dries), spraying (waterproof agent being sprayed on equably to the surface of lamellar glass mat) showering to carry out waterproofing work.
Step 3 at the lamellar glass mat surface coating glue through waterproofing work, is preferably carried out defoaming treatment in the process of coating glue.The method of defoaming treatment has two: one adds defoamer and stirs in glue; Its two, adopt method froth breaking in the process of coating glue of roll extrusion coating.
In the process of coating glue, preferably apply 2-5 layer glue, in order further to strengthen the intensity of cast-in-place concrete hollow structure pore-creating core, preferably by mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, 10 grams of flyash and 5 grams of bamboo fibre powder, and mix well.It should be noted that, if in every 100 grams of glue, add again 0.1 gram of lignosulfonates and a small amount of watery hydrochloric acid (for example add 0.1-0.5 milliliter watery hydrochloric acid---mass fraction is lower than 37% hydrochloric acid), can further strengthen the intensity (adding watery hydrochloric acid can make the auxiliary materials such as glue and magnesia powder sooner, react better) of pore-creating core.In addition, before coating glue, preferably the temperature of glue is controlled within the scope of 40-45 ℃.
Step 4, according to the actual needs of building operations, makes the cast-in-place concrete hollow structure pore-creating core of cylindric (tubulose), rectangular box shape or other shapes.It should be noted that, for the ease of transportation, in enforcement process of the present invention, preferably the pore-creating core of cylindric (tubulose) is made to semicircle tubular---its cross section is semicircle fox shape, to multiple pore-creating cores closely can be superimposed when transportation, thereby saving space, reduces cost of transportation, improves conevying efficiency.When practice of construction, constructor can be buckled into the pore-creating core of two semicircle tubulars the pore-creating core of cylindric (tubulose).
Embodiment bis-
The difference of the present embodiment and embodiment mono-is, the present embodiment adopts glass fabric to substitute lamellar glass mat and makes cast-in-place concrete hollow structure pore-creating core.For this reason, can adopt 2 layers of above glass fabric of crossing through waterproofing work, the glass glass fabric that preferably adopts 5-10 layer to cross through waterproofing work, the compacting that in layer fastens with glue forms lamellar glass fabric aggregate, and at described lamellar glass fabric aggregate coating glue.By mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, 10 grams of flyash, 5 grams of bamboo fibre powder, 0.1 gram of lignosulfonates and 0.1-0.5 milliliter watery hydrochloric acid (mass fraction lower than 37% hydrochloric acid), and mix well.Other steps of the present embodiment are identical with embodiment mono-.
Above, introduced the specific embodiment of the present invention by two embodiment.Above-described embodiment is the explanation to invention embodiment, and unrestricted.It is emphasized that; implement in process of the present invention concrete; according to the actual needs of building operations; cast-in-place concrete hollow structure pore-creating core also can adopt other shapes; but no matter which kind of shape pore-creating core adopts; also no matter its concrete size is much, as long as the technical scheme that has adopted claim of the present invention to limit just enters protection scope of the present invention.
Claims (10)
1. a cast-in-place concrete hollow structure pore-creating core, is characterized in that: described cast-in-place concrete hollow structure pore-creating core adopts the lamellar glass mat of processing through waterproof agent to make, and the surface of described glass mat is also coated with glue.
2. cast-in-place concrete hollow structure pore-creating core as claimed in claim 1, is characterized in that: the thickness of described lamellar glass mat is 0.5-2 millimeter.
3. cast-in-place concrete hollow structure pore-creating core as claimed in claim 1, is characterized in that: in the process of the surface of described lamellar glass mat coating glue, glue is carried out to defoaming treatment.
4. the cast-in-place concrete hollow structure pore-creating core as described in claim 1,2 or 3, is characterized in that: by mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, and 10 grams of flyash and 5 grams of bamboo fibre powder, and mix well.
5. cast-in-place concrete hollow structure pore-creating core as claimed in claim 4, is characterized in that: in every 100 grams of glue, also can add 0.1 gram of lignosulfonates and 0.1-0.5 milliliter watery hydrochloric acid, and mix well.
6. the cast-in-place concrete hollow structure pore-creating core as described in claim 1,2 or 3, is characterized in that: be coated with 2-5 layer glue on the surface of described lamellar glass mat.
7. cast-in-place concrete hollow structure pore-creating core as claimed in claim 5, is characterized in that: in the time of the floating glue of the surface of described fibrofelt coating, the temperature of glue is controlled within the scope of 40-45 ℃.
8. a cast-in-place concrete hollow structure pore-creating core, it is characterized in that: described cast-in-place concrete hollow structure pore-creating core is by two layers of above glass fabric of crossing through waterproofing work, the lamellar glass fabric aggregate that in layer fastens with glue compacting and form is made, and the surface of described lamellar glass fabric aggregate is also coated with glue.
9. cast-in-place concrete hollow structure pore-creating core as claimed in claim 8, it is characterized in that: by mass percentage, in every 100 grams of glue, add 50-80 gram of magnesia powder, 10 grams of flyash, 5 grams of bamboo fibre powder, 0.1 gram of lignosulfonates and 0.1-0.5 milliliter watery hydrochloric acid.
10. the cast-in-place concrete hollow structure pore-creating core as described in claim 1,2,3,6,8 or 9, is characterized in that: described cast-in-place concrete hollow structure pore-creating core be shaped as semicircle tubular.
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| CN201210551308.6A CN103866889A (en) | 2012-12-11 | 2012-12-11 | Cast-in-place concrete hollow structure pore-forming core model and manufacturing method thereof |
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| CN201210551308.6A CN103866889A (en) | 2012-12-11 | 2012-12-11 | Cast-in-place concrete hollow structure pore-forming core model and manufacturing method thereof |
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| CN103866889A true CN103866889A (en) | 2014-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585757A (en) * | 2018-05-09 | 2018-09-28 | 周盼 | A kind of stalk glass magnesium material hollow floor core model product and preparation method thereof |
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| US20080005990A1 (en) * | 2003-10-06 | 2008-01-10 | Oscar Marty | Modular system of permanent forms for casting reinforced concrete buildings on site |
| CN101250944A (en) * | 2008-04-07 | 2008-08-27 | 北京恒通创新木塑科技发展有限公司 | Multi-layer composite coining building shuttering and manufacture method thereof |
| CN101498171A (en) * | 2009-02-24 | 2009-08-05 | 南京工业大学 | High-strength plywood for building shutter panel |
| CN201386385Y (en) * | 2009-02-24 | 2010-01-20 | 南京工业大学 | High-strength plywood used for building template panels |
| CN201521105U (en) * | 2009-06-29 | 2010-07-07 | 南京工业大学 | Building template made of pull-extrusion molding compound material |
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2012
- 2012-12-11 CN CN201210551308.6A patent/CN103866889A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080005990A1 (en) * | 2003-10-06 | 2008-01-10 | Oscar Marty | Modular system of permanent forms for casting reinforced concrete buildings on site |
| CN101250944A (en) * | 2008-04-07 | 2008-08-27 | 北京恒通创新木塑科技发展有限公司 | Multi-layer composite coining building shuttering and manufacture method thereof |
| CN101498171A (en) * | 2009-02-24 | 2009-08-05 | 南京工业大学 | High-strength plywood for building shutter panel |
| CN201386385Y (en) * | 2009-02-24 | 2010-01-20 | 南京工业大学 | High-strength plywood used for building template panels |
| CN201521105U (en) * | 2009-06-29 | 2010-07-07 | 南京工业大学 | Building template made of pull-extrusion molding compound material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585757A (en) * | 2018-05-09 | 2018-09-28 | 周盼 | A kind of stalk glass magnesium material hollow floor core model product and preparation method thereof |
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Application publication date: 20140618 |