CN101886457A - Method for constructing wear-resistant and crack-resistant hardened ground - Google Patents
Method for constructing wear-resistant and crack-resistant hardened ground Download PDFInfo
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- CN101886457A CN101886457A CN 201010220934 CN201010220934A CN101886457A CN 101886457 A CN101886457 A CN 101886457A CN 201010220934 CN201010220934 CN 201010220934 CN 201010220934 A CN201010220934 A CN 201010220934A CN 101886457 A CN101886457 A CN 101886457A
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Abstract
The invention discloses a method for constructing wear-resistant and crack-resistant hardened ground, which is applied to hardened ground of buildings such as modern industrial factory buildings, shopping malls, exhibition buildings, indoor parking lots, warehouses and the like. The method sequentially comprises the following steps of: brushing slurry on the surface of a base layer, namely watering to wet and clean the base layer and uniformly brushing a layer of 801 glue-doped cement slurry on the surface of the base layer; pouring, compacting and trowelling a polypropylene fiber concrete floor with the thickness of 50mm, removing bubbles and free water from the polypropylene fiber concrete by using a vacuum water absorption device, and removing laitance on the surface of the concrete after the concrete is initially set; laying a hardened wear-resistant layer and trowelling for 1 to 2 hours; calendaring by using a trowelling machine; and spreading a layer of BZK-15 surface liquid molded concrete curing agent to cure the ground. The hardened ground poured by the construction method has the characteristics of high durability, permeability resistance and crack resistance, and low construction cost.
Description
[technical field]
The present invention relates to a kind of hardened ground job practices, especially relate to a kind of method for constructing wear-resistant and crack-resistant hardened ground.
[background technology]
At present, the modern industry factory building, the market, museum, the hardened ground of these buildings such as parking garage and warehouse requires to have higher abrasion resistance and crack resistance, need harden to ground, wear-resisting, cracking resistance is handled, for preventing integral cast-in-situ ground cracking, adopt and lay the whole job practices of watering fine-stone concrete of steel mesh, common concrete thickness is 40mm, build that reinforcing bar is prone to the dew muscle in the process, for further increasing ground load-bearing and breaking resistance, also lay double-deck steel mesh up and down in the work progress, cost is higher, moreover existing hardened ground is prone to hardened layer and peels off, defectives in various degree such as crack, ground, the ground impermeability, poor durability, so existing hardened ground construction technology is difficult to satisfy owner's requirement, haves much room for improvement.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of method for constructing wear-resistant and crack-resistant hardened ground at the deficiency of above-mentioned prior art existence, and with durability, impermeability and the crack resistance of raising hardened ground, and construction cost is low.
For solving the problems of the technologies described above, construction technology scheme of the present invention is as follows:
A kind of method for constructing wear-resistant and crack-resistant hardened ground may further comprise the steps:
One, the substrate surface pulp sweeping is handled: the moistening cleaning basic unit that sprinkle water is mixed with the cement paste of 801 glue at its surperficial even brushing one deck.
Wherein: after the moistening cleaning of the watering basic unit, brush be mixed with 801 glue mud before, by the backing-off cutting machine substrate surface is polished into hair side.
Two, branch storehouse formwork: glass bar lattice storehouse is set, formwork direction unanimity, branch storehouse width interval is 4m～6m.
Three,, build on polypropylene fiber concrete ground:
The thickness that polypropylene fiber concrete is built is 50mm, build by compartment, use steel rider roll extrusion and floating repeatedly, use vacuum water absorber that the bubble and the Free water of polypropylene fiber concrete inside are sloughed, maintenance 1h～3h also treats after its initial set, uses the electric trowel of band mill to remove the concrete surface laitance.
Polypropylene fibre is that fiber number is that 0.8dtex～15dtex, length are the pencil monfil of 35mm～45mm.
Four, the thick hardened wear-resistant layer of spreading 5mm:
After treating concrete initial set, it is 4Kg/m that spreading is used total amount
2～6Kg/m
2The hardened artiwear agent.The even spreading of hardened artiwear agent that at first will use total amount 1/2～2/3 is on institute defined area initial set polypropylene fiber concrete surface, finish the operation of first floor spreading, after treating hardened artiwear agent surface deepening, use wood is smeared or is equably that it is floating with the electric trowel of mill, then with remaining 1/3～1/2 hardened artiwear agent spreading on first floor, finish spreading operation for the second time, treat its surperficial deepening after, with the even compacting troweling of disc type finisher.
Five, receive light: 1h～2h behind the troweling, receive the light operation with the vane type finisher that edge of a knife angle tilts.
Six, ground maintenance: 1h～6h behind the receipts light, spreading one deck BZK-15 surface liquid condition shaping curing compound, it can form one high-performance film that blocks water at concrete surface, sharply evaporate to prevent surface water part, make its natural curing, curing time guarantees that for being no less than 7 days the hardened wear-resistant layer intensity stabilization increases.
Seven, finished product protection and enabling: the ready-made ground of strict protection, enabling time decides on environment temperature, but 24h～48h walking usually can be born underloading in 7 days～10 days, can normally use after 28 days.
The present invention has following advantage and beneficial effect compared with prior art:
1, by substrate surface is polished into hair side, the even brushing one deck of going again is mixed with the cement paste of 801 glue, make basic unit and follow-up polypropylene fiber concrete of building under splendid bonding force and adhesive power state, form an integral body, be greatly enhanced in conjunction with fastness, polypropylene fiber concrete ground can not produce the hollowing phenomenon;
2, use vacuum water absorber that the bubble and the Free water of inside concrete are sloughed, shortened the engineering time, make polypropylene fiber concrete form very fine and close microstructure, can improve its stiff intensity, effectively prevent concrete because of early-age shrinkage, collapse and heavy accumulate the crack in caused, durability and impervious ability are improved;
3, the vane type finisher that tilts by edge of a knife angle is received the light operation, has improved the fineness and the planeness of hardened artiwear laminar surface, is difficult for adhering to dust, and is most suitable for the place that has cleaning to require;
4, hardened wear-resistant layer spreading BZK-15 emulsion curing compound, can form one deck high-performance film that blocks water at concrete surface, prevent that surperficial moisture content from sharply evaporating, guarantee that the hardened wear-resistant layer intensity stabilization increases, form more firm hardened wear-resistant layer, maintenance effect is good, and the surface causes that the situation of cracking is reduced to bottom line, guarantees the abrasion resistance and the impact resistance of hardened wear-resistant layer;
5, after concrete mixes polypropylene fibre, concrete cohesiveness is enhanced, and has produced enhancing, toughness reinforcing and effect that resistance is split, has improved the deficiency of fragility, durability and the crack resistance aspect of conventional concrete, and polypropylene fibre substitutes steel mesh, and construction cost is low.
[specific embodiment]
Below the present invention is described in further detail:
A kind of method for constructing wear-resistant and crack-resistant hardened ground may further comprise the steps successively:
1) substrate surface is handled: the moistening cleaning terrace of sprinkling water, earlier by the backing-off cutting machine substrate surface is polished into hair side, even then brushing one deck is mixed with the cement paste of 801 glue and handles to carry out pulp sweeping, and this 801 glue is Central-South board, Shanghai, the place of production, the weight ratio of 801 glue and cement paste are 1: 2.
2) branch storehouse formwork: glass bar lattice storehouse is set, formwork direction unanimity, not crisscross, branch storehouse formwork width is spaced apart suitable with 4m～6m bar shaped.
3) build the thick polypropylene fiber concrete ground of 50mm: build by compartment, roll extrusion is real and floating repeatedly to use steel rider, use vacuum water absorber that the bubble and the Free water of polypropylene fiber concrete inside are sloughed, maintenance 1h～3h uses the electric trowel of band mill to remove the concrete surface laitance with after treating its initial set.
Wherein: the volume of polypropylene fibre is in the polypropylene fiber concrete: 0.88Kg/m
3, the WKX polypropylene pencil monfil of selecting for use Shenzhen Wei Tenai company to produce, its fiber number is 0.8dtex～15dtex, length is 35mm～45mm.
The preparation technology of unit cube polypropylene fiber concrete carries out according to the following steps: accurately take by weighing medium sand or coarse sand 627Kg, mud content in the sand≤3%, take by weighing rubble 638Kg, the mud ballast grain sizes is 20mm～40mm, mud content≤2%, take by weighing low alkali silicate water 254Kg No. 525, take by weighing polypropylene fibre 0.88Kg, pour sandstone, cement, low alkali silicate cement and polypropylene fibre into the mixer hopper, behind mixer dry mixing 30s～60s, add water and stir 1.5min～2min, discharging then again.
4) lay the thick hardened wear-resistant layer of 5mm: treat (specifically looking slight the trace that pedestrian stays 3mm) behind the concrete initial set that it is 5Kg/m that spreading is used total amount
2The hardened artiwear agent, the even spreading of hardened artiwear agent that at first will use total amount 1/2～2/3 is on institute defined area initial set polypropylene fiber concrete surface, finish the operation of first floor spreading, it is evenly wetting to treat that the hardened artiwear agent absorbs moisture, the surface deepening, use wood is smeared or is equably that it is floating with the electric trowel of mill, then, again with remaining 1/3～1/2 hardened artiwear agent spreading on first floor, finish spreading operation for the second time, treat its evenly wetting after, with the even compacting troweling of disc type finisher.
The hardened artiwear agent is made up of following composition by weight: No. 525 portland cements 30%, No. 15 diamond dust abrasive aggregateses 62%, hardener 2%, color stuffing 6%, color stuffing is made up of one of titanium dioxide, lithopone, iron oxide red, iron oxide yellow, chrome green, phthalocyanine blue and phthalocyanine green or their mixture, and hardener adopts Jiangsu to produce the Pai Erni plate.
5) receive light: 1h～2h behind the troweling, receive the light operation with the vane type finisher that edge of a knife angle tilts.
6) ground maintenance: 1h～6h behind the receipts light, spreading one deck is praised the BZK-15 surface liquid condition shaping curing compound that triumphant building materials Co., Ltd produces by Beijing, it can form one high-performance film that blocks water at concrete surface, sharply evaporate to prevent surface water part, make its natural curing, curing time: be no less than 7 days, guarantee that the hardened wear-resistant layer intensity stabilization increases.
7) mould unloading: carry out mould unloading operation second day after hardened artiwear platform construction is finished.
8) finished product protection with enable: the ready-made ground of strict protection, enabling time decide on environment temperature, but usually 24h～48h walking can be born underloading in 7 days～10 days, 28 days later can normally uses.
Claims (4)
1. method for constructing wear-resistant and crack-resistant hardened ground is characterized in that may further comprise the steps:
1) the substrate surface pulp sweeping is handled: the moistening cleaning basic unit that sprinkle water is mixed with 801 glue mud at its surperficial even brushing one deck;
2) branch storehouse formwork: glass bar lattice storehouse is set, formwork direction unanimity, branch storehouse width interval is 4m～6m;
3) build on polypropylene fiber concrete ground:
Polypropylene fiber concrete is built by compartment, use steel rider roll extrusion and floating repeatedly, use vacuum water absorber that the bubble and the Free water of polypropylene fiber concrete inside are sloughed, maintenance 1h～3h also treats after its initial set, use the electric trowel of band mill to remove the concrete surface laitance
Polypropylene fibre is that filament number is that 0.8dtex～15dtex, length are the pencil monfil of 35mm～45mm;
4) lay hardened wear-resistant layer: the total amount of using of hardened artiwear agent is 4Kg/m
2～6Kg/m
2The even spreading of hardened artiwear agent that at first will use total amount 1/2～2/3 is on initial set polypropylene fiber concrete surface, defined area, finish the operation of first floor spreading, after treating hardened artiwear agent surface deepening, use wood to smear or equably that it is floating with the electric trowel of mill, hardened artiwear agent spreading that then will remaining 1/3～1/2 is finished the spreading operation second time on first floor, after treating its surperficial deepening, with the even compacting troweling of disc type finisher;
5) receive light: 1h～2h behind the troweling, receive the light operation with the vane type finisher that edge of a knife angle tilts;
6) ground maintenance: 1h～6h behind the receipts light, spreading one deck BZK-15 surface liquid condition shaping curing compound makes its natural curing, and curing time is for being no less than 7 days;
7) finished product protection with enable: the ready-made ground of strict protection, enabling time decide on environment temperature, but usually 24h～48h walking can be born underloading in 7 days～10 days, 28 days later can normally uses.
2. a kind of method for constructing wear-resistant and crack-resistant hardened ground as claimed in claim 1 is characterized in that: before the step 1) brushing is mixed with 801 glue mud, by the backing-off cutting machine substrate surface is polished into hair side.
3. a kind of method for constructing wear-resistant and crack-resistant hardened ground as claimed in claim 1 is characterized in that: the thickness that described polypropylene fiber concrete is built is 50mm, and the thickness of described hardened wear-resistant layer is 5mm.
4. a kind of method for constructing wear-resistant and crack-resistant hardened ground as claimed in claim 1 is characterized in that: the volume of polypropylene fibre is in the described polypropylene fiber concrete: 0.88Kg/m
3
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| CN2010102209348A CN101886457B (en) | 2010-06-30 | 2010-06-30 | Method for constructing wear-resistant and crack-resistant hardened ground |
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| CN2010102209348A CN101886457B (en) | 2010-06-30 | 2010-06-30 | Method for constructing wear-resistant and crack-resistant hardened ground |
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| CN101886457A true CN101886457A (en) | 2010-11-17 |
| CN101886457B CN101886457B (en) | 2012-11-14 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155086A (en) * | 2011-04-25 | 2011-08-17 | 巨石集团有限公司 | Method for pouring house grade level |
| CN102493486A (en) * | 2011-12-06 | 2012-06-13 | 华鼎建筑装饰工程有限公司 | Anti-mildew treatment construction method for underground space latex paint engineering |
| CN102936955A (en) * | 2012-11-21 | 2013-02-20 | 周兴邦 | Mirror face terrace one-time molding process of girderless floor |
| CN103046763A (en) * | 2011-10-14 | 2013-04-17 | 中国二十冶集团有限公司 | Dust-proof water-proof leveling course construction method in reconstruction of old buildings |
| CN104108911A (en) * | 2013-04-17 | 2014-10-22 | 北京江达雷博建筑装饰品有限公司 | Production formula and construction technology of ultra-wear-resistant ground |
| CN106758645A (en) * | 2017-03-15 | 2017-05-31 | 中交第三公路工程局有限公司 | A kind of cement concrete pavement receives sizing process |
| CN110905162A (en) * | 2019-12-11 | 2020-03-24 | 威海利东建筑科技有限公司 | Construction method of fiber-reinforced carborundum wear-resistant ground |
| CN113382822A (en) * | 2018-11-30 | 2021-09-10 | 康克利亚有限公司 | Dry-spreading type application method of concrete ground |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060271B (en) * | 2017-04-24 | 2019-04-23 | 无锡市华灿化工有限公司 | A kind of dust-proof hardened artiwear method for constructing terrace |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155086A (en) * | 2011-04-25 | 2011-08-17 | 巨石集团有限公司 | Method for pouring house grade level |
| CN103046763A (en) * | 2011-10-14 | 2013-04-17 | 中国二十冶集团有限公司 | Dust-proof water-proof leveling course construction method in reconstruction of old buildings |
| CN103046763B (en) * | 2011-10-14 | 2015-09-02 | 中国二十冶集团有限公司 | Dustproof and waterproof construction of leveling blanket method in old building remodeling |
| CN102493486A (en) * | 2011-12-06 | 2012-06-13 | 华鼎建筑装饰工程有限公司 | Anti-mildew treatment construction method for underground space latex paint engineering |
| CN102493486B (en) * | 2011-12-06 | 2014-03-05 | 华鼎建筑装饰工程有限公司 | Anti-mildew treatment construction method for underground space latex paint engineering |
| CN102936955A (en) * | 2012-11-21 | 2013-02-20 | 周兴邦 | Mirror face terrace one-time molding process of girderless floor |
| CN104108911A (en) * | 2013-04-17 | 2014-10-22 | 北京江达雷博建筑装饰品有限公司 | Production formula and construction technology of ultra-wear-resistant ground |
| CN106758645A (en) * | 2017-03-15 | 2017-05-31 | 中交第三公路工程局有限公司 | A kind of cement concrete pavement receives sizing process |
| CN113382822A (en) * | 2018-11-30 | 2021-09-10 | 康克利亚有限公司 | Dry-spreading type application method of concrete ground |
| CN113382822B (en) * | 2018-11-30 | 2023-10-17 | 康克利亚有限公司 | Dry spreading type coating method for concrete floor |
| CN110905162A (en) * | 2019-12-11 | 2020-03-24 | 威海利东建筑科技有限公司 | Construction method of fiber-reinforced carborundum wear-resistant ground |
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| CN101886457B (en) | 2012-11-14 |
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