CN110485592A - Moisture-proof wall construction method - Google Patents
Moisture-proof wall construction method Download PDFInfo
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- CN110485592A CN110485592A CN201910770916.8A CN201910770916A CN110485592A CN 110485592 A CN110485592 A CN 110485592A CN 201910770916 A CN201910770916 A CN 201910770916A CN 110485592 A CN110485592 A CN 110485592A
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- water
- wall
- moisture
- tight concrete
- construction method
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The present invention relates to building construction field fields, for the problem that waterproof layer abrasion back wall leakage, causes wall service life to decline, provide a kind of moisture-proof wall construction method, the technical solution is as follows: comprising steps of S1. is poured impervious base, comprising: S11. builds base layer template；S12. casting water-tight concrete forms impervious base after initial set to base elevation；S2. steel bar framework is built, specific as follows: the fixed steel bars frame in the impervious base of initial set, steel bar framework bottom are higher than impervious base bottom；S3. wall form is built；S4. cast wall；S5. wall form is dismantled after wall initial set；S6. nano hydrophobic powder is sprayed at once to metope after dismantling wall form；S7. waterproof adhesive is sprayed to metope；Base is done using water-tight concrete so that underground water is isolated, and cooperation steel bar framework bottom is higher than impervious base bottom, is not easy, so that steel bar framework is not easy to corrode, to extend the service life of wall by groundwater seepage to steel bar framework.
Description
Technical field
The present invention relates to building construction fields, more particularly, to a kind of moisture-proof wall construction method.
Background technique
Moisture-proof wall is primarily to resist the erosion of underground water or outside water to wall, mainly for reducing moisture direction
Wall infiltration and the case where Corrosion Reinforcement frame.
By coating waterproof layer on bottom and metope when usual moisture-proof wall construction, so that moisture is not easy and coagulation
The contact of cob wall body, and then be not easy to penetrate into concrete.
Between when in use it is long after, the permanent stress of waterproof layer is easy to appear abrasion, after waterproof layer abrasion, just holds
Wall leakage easily occurs, the decline of wall service life, therefore, there are also improve space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of moisture-proof wall construction method, have
It is not susceptible to wall leakage, the longer advantage of wall service life.
To achieve the above object, the present invention provides the following technical scheme that
A kind of moisture-proof wall construction method, comprising the following steps:
S1. it is poured impervious base, comprising:
S11. base layer template is built；
S12. casting water-tight concrete forms impervious base after initial set to base elevation；
S2. steel bar framework is built, specific as follows:
The fixed steel bars frame in the impervious base of initial set, steel bar framework bottom are higher than impervious base bottom；
S3. wall form is built；
S4. cast wall, comprising:
S41. water-tight concrete is poured to wall absolute altitude；
S42. primary tamping；
S43. water-tight concrete is being poured to wall absolute altitude again after standing 40-60min；
S44. it consolidates again；
S5. wall form is dismantled after wall initial set；
S6. nano hydrophobic powder is sprayed at once to metope after dismantling wall form；
S7. waterproof adhesive is sprayed to metope.
By using above-mentioned technical proposal, base is done so that underground water is isolated using water-tight concrete, while cooperating reinforcing steel bar frame
Frame bottom is higher than impervious base bottom so that steel bar framework will not stretch out below impervious base so that steel bar framework bottom by
Impervious base's protection, is not easy, so that steel bar framework is not easy to corrode, to extend the use of wall by groundwater seepage to steel bar framework
Service life；
It is poured by wall using water-tight concrete, so that the concrete structure of wall is not easy to seep water, so that moisture
It is not easy to penetrate into steel bar framework, so that steel bar framework is not easy to corrode, so that the service life of wall is longer；
By spraying nano hydrophobic powder on the metope of the wall after initial set using the sticky by nano hydrophobic of concrete
Powder is adhered on metope, and since nanoscale powder diameter is less, mutual gap is very small, and even application is in front
One layer of fine and close waterproof layer is formed after upper, further increases the impermeability of wall, dampproof effect is preferable；
By spraying waterproof adhesive again after spraying nano hydrophobic powder, using waterproof adhesive as the waterproof of outermost
Layer, dampproof effect is preferable, while using adhesive nanometer mountain flour is combined more stablely, forms stable and fine and close waterproof
Layer, is not easy to peel off, and not easy to crack, stability is preferable, and then guarantees stable dampproof effect.
The present invention is further arranged to: in the step S6, nano hydrophobic powder is nano ore powder.
By using above-mentioned technical proposal, by nano ore powder reinforcement wall so that the compression strength of moisture-proof wall into
One step improves, and improves the structural stability of moisture-proof wall.
The present invention is further arranged to: the nano ore powder is by nanometer granite stone powder, nanometer basalt mountain flour, nanometer
White clouds Rock Powder, nanometer zircon flour, nano graphite powder are formed in the ratio of 1:1.2:0.8:0.3:0.2.
By using above-mentioned technical proposal, so that the better effect of the moisture-proof wall of nano ore powder reinforcement, so that wall
Structural stability is more preferable.
The present invention is further arranged to: in the step S7, waterproof adhesive uses adhesive for polyurethane.
By using above-mentioned technical proposal, so that waterproof adhesive has preferable elasticity, buffering is extraneous to a certain extent
Impact, preferably protects wall, and adhesive for polyurethane is not non-aging degradable, lasting stability, and viscosity is preferable, so that waterproof
The stability that adhesive connects nano ore powder is preferable.
The present invention is further arranged to: the water-tight concrete includes the component of following mass fraction:
100 parts of portland cement；
250-300 parts of coarse aggregate；
200-250 parts of fine aggregate；
50-100 parts of nanofiller；
25-30 parts of glass fibre
90-110 parts of water；
The glass fibre length is 0.2-0.5mm.
By using above-mentioned technical proposal, by the way that nanofiller is added, fine aggregate and thick is filled in by nanofiller
Gather materials in the gap to be formed, so that water-tight concrete is more fine and close, impervious effect is preferable；
By be added glass fibre, play the effect of cracking resistance at the same pass through shorter glass fibre be filled in fine aggregate and
In the gap that coarse aggregate is formed, further such that water-tight concrete is more fine and close, impervious effect is preferable, protects steel bar framework, makes
The humidity resistance lasting stability of wall is obtained, service life is longer.
The present invention is further arranged to: the nanofiller is nano talc.
By using above-mentioned technical proposal, since talcum powder is relatively sliding, coefficient of friction is lower, so that nanofiller is easy to anti-
It seeps and is flowed in concrete, so that nanofiller is easily dispersed uniformly in water-tight concrete and is filled in fine aggregate and coarse aggregate
Gap in so that improve wall impermeability better effect so that wall dampproof effect is preferable.
The present invention is further arranged to: the water-tight concrete further includes the component of following mass fraction:
15-20 parts of adhesive for polyurethane.
By using above-mentioned technical proposal, further filled by adhesive for polyurethane between coarse aggregate, fine aggregate oneself
Gap further increases the compactness of water-tight concrete, further increases the humidity resistance of wall, so that steel bar framework is not easy rusting
Erosion improves stability.
The present invention is further arranged to: the water-tight concrete further includes the component of following mass fraction:
5-10 parts of octaethyl porphines.
By using above-mentioned technical proposal, so that the freeze proof grade of water-tight concrete is improved, and then improve impervious
The freezing tolerance of concrete is better adapted to cold district so that the wall of water-tight concrete preparation is not easy bursting by freezing, so that anti-
The applicability for seeping concrete is wider.
The present invention is further arranged to: the water-tight concrete the preparation method is as follows:
A. mixed Portland cement and water form cement grout；
B. nanofiller is added in cement grout and stirs evenly to form pre-composition；
C. fine aggregate and coarse aggregate are added in pre-composition and stirs evenly to form water-tight concrete.
By using above-mentioned technical proposal, by the way that nanofiller and cement grout are first added coarse aggregate after mixing
And fine aggregate, so that nanofiller is preferably evenly distributed in cement grout, so that nanofiller is easier to filling rough set
Gap between material and fine aggregate, improves impervious effect, so that wall moisture protection is preferable.
In conclusion the invention has the following advantages:
1. doing base using water-tight concrete underground water is isolated, while steel bar framework bottom being cooperated to be higher than impervious base bottom
Portion, so that steel bar framework bottom is protected by impervious base, is not easy by ground so that steel bar framework will not stretch out below impervious base
It is lauched and infiltrates at steel bar framework, so that steel bar framework is not easy to corrode, extend the service life of wall；
2. spraying nano hydrophobic powder on the metope for passing through the wall after initial set to hate nanometer using the viscosity of concrete
Pigment end is adhered on metope, and since nanoscale powder diameter is less, mutual gap is very small, and even application is preceding
One layer of fine and close waterproof layer is formed after on face, further increases the impermeability of wall, dampproof effect is preferable；
3. by spraying waterproof adhesive again after spraying nano hydrophobic powder, using waterproof adhesive as the anti-of outermost
Water layer, dampproof effect is preferable, while using adhesive nanometer mountain flour is combined more stablely, is formed stable and densification anti-
Water layer is not easy to peel off, and not easy to crack, stability is preferable, and then guarantees stable dampproof effect.
Detailed description of the invention
Fig. 1 is the flow diagram of moisture-proof wall construction method in the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, invention is further described in detail.
In following embodiment, portland cement uses the China Resources cement of the moist building materials Co., Ltd sale of Dongguan City
PO42.5R ordinary portland cement；
In following embodiment, coarse aggregate uses the rubble of Hebei Ke Xu building materials Co., Ltd sale；
In following embodiment, fine aggregate uses the river sand of eight smelting engineering Industrial Co., Ltd., Shenzhen sale；
In following embodiment, nano talc uses 3000 mesh talcum powder of Changzhou Le Huan commerce and trade Co., Ltd sale；
In following embodiment, adhesive for polyurethane is sold poly- without alveolitoid bi-component using Shanghai Hao Yu Chemical Co., Ltd.
Urethane adhesive；
In following embodiment, octaethyl porphines uses the octaethyl porphines of Wuhan La Nabai medication chemistry Co., Ltd sale
CAS:2683-82-1；
In following embodiment, water-reducing agent uses the sodium gluconate of Shandong De Wang Chemical Co., Ltd. sale；
In following embodiment, yellow rust parmelia saxatilis that nanometer granite stone powder is sold by using Qingdao Jin Aoshi industry Co., Ltd
Gang Yan is ground；
In following embodiment, nanometer basalt mountain flour by using Weinan City gallop commerce and trade Co., Ltd sale dazzle dance rock
It grinds；
In following embodiment, nanometer white clouds Rock Powder is ground by using the dolomite that Qingdao Yu Zhou Chemical Co., Ltd. sells
It grinds；
In following embodiment, nanometer zircon flour by using Donghai County live in peace jewelry Co., Ltd sale natural hyacinth
Mineral crystal is ground；
In following embodiment, graphite powder grinding that nano graphite powder is sold by using Qingdao Qing Lin graphite Co., Ltd and
At.
Embodiment 1
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 90kg, water-reducing agent 11kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 50kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 200kg and coarse aggregate 250kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 2
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 75kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 225kg and coarse aggregate 275kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 3
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 110kg, water-reducing agent 9kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 100kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 250kg and coarse aggregate 300kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 4
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 95kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 80kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 220kg and coarse aggregate 280kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 5
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 95kg, water-reducing agent 10kg, adhesive for polyurethane 15kg, eight are added in a stirring kettle
Ethyl porphines 5kg, revolving speed 60r/min stir 5min, form cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 80kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 220kg and coarse aggregate 280kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 6
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. in a stirring kettle be added portland cement 100kg, water 95kg, water-reducing agent 10kg, adhesive for polyurethane 17.5kg,
Octaethyl porphines 7.5kg, revolving speed 60r/min stir 5min, form cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 80kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 220kg and coarse aggregate 280kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 7
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 95kg, water-reducing agent 10kg, adhesive for polyurethane 20kg, eight are added in a stirring kettle
Ethyl porphines 10kg, revolving speed 60r/min stir 5min, form cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 80kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 220kg and coarse aggregate 280kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 8
A kind of water-tight concrete, water-tight concrete the preparation method is as follows:
A. portland cement 100kg, water 95kg, water-reducing agent 10kg, adhesive for polyurethane 18kg, eight are added in a stirring kettle
Ethyl porphines 6kg, revolving speed 60r/min stir 5min, form cement grout；
B. the powder that nano talc is 10-100nm to partial size is ground by grinding device, then added in cement grout
Enter nano talc 80kg, revolving speed 50r/min, stir 8min, forms pre-composition；
C. fine aggregate 220kg and coarse aggregate 280kg, revolving speed 45r/min are added in pre-composition, stirs 15min, is formed anti-
Concrete is seeped, revolving speed 15r/min continues stirring until use and finishes.
Embodiment 9
A kind of moisture-proof wall construction method, referring to Fig.1, comprising the following specific steps
S1. it is poured impervious base, comprising:
S11. base layer template is built, specific as follows:
Base layer template is built according to wall inclination size, base layer template height is 10cm.
S12. casting water-tight concrete forms impervious base after initial set to base elevation, specific as follows:
It is poured water-tight concrete and resists to impervious base elevation in supplement water-tight concrete to impervious base elevation after tamping
Infiltration base elevation is 10cm, forms impervious base after water-tight concrete initial set.
S2. steel bar framework is built, specific as follows:
The fixed steel bars frame in the impervious base of initial set, steel bar framework bottom are higher than impervious base bottom, steel bar framework
The distance of bottom to impervious base bottom is 4cm.
S3. wall form is built, specific as follows:
Wall form is built according to wall inclination size, wall form is abutted with impervious substrate side walls.
S4. cast wall, comprising:
S41. water-tight concrete is poured to wall absolute altitude.
S42. primary tamping, specific as follows:
Water-tight concrete is consolidated by vibrating head.
S43. water-tight concrete is being poured to wall absolute altitude again after standing 50min, in other embodiments, can also stood
Water-tight concrete is poured after 40min, 45min, 55min, 60min again.
S44. it consolidates again, specific as follows:
Water-tight concrete is consolidated again by vibrating head.
S5. wall form is dismantled after wall initial set, specific as follows:
Wall reaches the presetting period, dismantles wall form at once.
S6. after dismantling wall form nano hydrophobic powder is sprayed at once to metope, specific as follows:
Nano hydrophobic powder is nano ore powder；
Nano ore powder by nanometer granite stone powder, nanometer basalt mountain flour, nanometer white clouds Rock Powder, nanometer zircon flour,
Nano graphite powder is formed in the ratio of 1:1.2:0.8:0.3:0.2；
Nano ore powder diameter is 10-100nm.
Wall form disassembly after, at once spray nano ore powder to metope on, using the concrete of rigid initial set also have compared with
Nano ore powder is adhered on metope by good viscosity；
90min is stood after spraying uniformly, the nano ore powder on surface is gently swept with hairbrush, so that nonadherent receiving on metope
Rice mineral powder is cleaned out, and only retains the nano ore powder stablized and be adhered on metope.
S7. spraying waterproof adhesive is specific as follows to metope:
Waterproof adhesive is adhesive for polyurethane, and after wall final set, spraying polyurethane adhesive to metope forms waterproof
Layer, waterproofing layer thickness are 1 ± 0.1mm.
In the present embodiment, water-tight concrete uses the water-tight concrete of embodiment 8, in other embodiments, water-tight concrete
The water-tight concrete of embodiment 1-7 also can be used.
Comparative example 1
Difference with embodiment 8 is:
Cancel in step a and adhesive for polyurethane is added.
Comparative example 2
Difference with embodiment 8 is:
Cancel in step a and octaethyl porphines is added.
Comparative example 3
Difference with embodiment 8 is:
Cancellation step b.
Experiment 1
According to according to GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete " detect embodiment 1-8 and
7d compression strength (MPa), the 28d compression strength (MPa) of comparative example 1-3.
Experiment 2
According to the water resistant in GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard "
Permeability test detects the seepage-resistant grade of embodiment 1-8 and comparative example 1-3, freeze proof grade.
Experiment 3
According to according to GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete ", according to GB/T50082-
Water resistant permeability test detection embodiment 9 in 2009 " Standard for test methods of longterm performance and durability of ordinary concrete standards " is constructed
Moisture-proof wall 7d compression strength (MPa), 28d compression strength (MPa), seepage-resistant grade, freeze proof grade.
Specific experiment data are shown in Table 1
Table 1
It can be obtained according to table 1, by comparing the data of example 1 and the data comparison of embodiment 8, be added in water-tight concrete poly-
Urethane adhesive, the seepage-resistant grade of limited raising water-tight concrete sample, and compression strength is improved to a certain extent, to freeze proof etc.
Grade is without influence, so that wall has preferable humidity resistance, and structural stability is preferable.
By comparing the data of example 2 and the data comparison of embodiment 8, the confrontation of octaethyl porphines is added in water-tight concrete
Seep the compression strength of concrete sample, seepage-resistant grade all has no significant effect, and effectively increases the freeze proof of water-tight concrete sample
Grade improves the freeze proof ability of wall, just is suitable for cold district, and applicability is wider.
It is compared by comparing example 3 and embodiment 8, nano talc is added in water-tight concrete, so that water-tight concrete
The compression strength of sample has a distinct increment, and improves the seepage-resistant grade of water-tight concrete sample, and tries water-tight concrete
The freeze proof grade of sample has no significant effect, so that wall impermeability is preferable, moisture is not easy to penetrate into corroded steel reinforcement frame in wall, makes
It is longer to obtain wall service life.
It is compared by embodiment 9 and embodiment 8, the resistance to compression of wall can be effectively improved in surface of wall spraying nano ore powder
Intensity better ensures that the impermeability of wall, preferably protection wall, extends wall service life.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of moisture-proof wall construction method, it is characterized in that: the following steps are included:
S1. it is poured impervious base, comprising:
S11. base layer template is built；
S12. casting water-tight concrete forms impervious base after initial set to base elevation；
S2. steel bar framework is built, specific as follows:
The fixed steel bars frame in the impervious base of initial set, steel bar framework bottom are higher than impervious base bottom；
S3. wall form is built；
S4. cast wall, comprising:
S41. water-tight concrete is poured to wall absolute altitude；
S42. primary tamping；
S43. water-tight concrete is being poured to wall absolute altitude again after standing 40-60min；
S44. it consolidates again；
S5. wall form is dismantled after wall initial set；
S6. nano hydrophobic powder is sprayed at once to metope after dismantling wall form；
S7. waterproof adhesive is sprayed to metope.
2. moisture-proof wall construction method according to claim 1, it is characterized in that: in the step S6, nano hydrophobic powder
For nano ore powder.
3. moisture-proof wall construction method according to claim 2, it is characterized in that: the nano ore powder is by nanometer granite
Mountain flour, nanometer basalt mountain flour, nanometer white clouds Rock Powder, nanometer zircon flour, nano graphite powder are by 1:1.2:0.8:0.3:0.2's
Ratio composition.
4. moisture-proof wall construction method according to claim 3, it is characterized in that: waterproof adhesive is adopted in the step S7
Use adhesive for polyurethane.
5. moisture-proof wall construction method according to claim 4, it is characterized in that: the water-tight concrete includes following quality
The component of number:
100 parts of portland cement；
250-300 parts of coarse aggregate；
200-250 parts of fine aggregate；
50-100 parts of nanofiller；
25-30 parts of glass fibre；
90-110 parts of water；
The glass fibre length is 0.2-0.5mm.
6. moisture-proof wall construction method according to claim 1, it is characterized in that: the nanofiller is nano talc.
7. moisture-proof wall construction method according to claim 1, it is characterized in that: the water-tight concrete further includes following matter
Measure the component of number:
15-20 parts of adhesive for polyurethane.
8. moisture-proof wall construction method according to claim 1, it is characterized in that: the water-tight concrete further includes following matter
Measure the component of number:
5-10 parts of octaethyl porphines.
9. moisture-proof wall construction method according to claim 5, it is characterized in that: the preparation method of the water-tight concrete is such as
Under:
A. mixed Portland cement and water form cement grout；
B. nanofiller is added in cement grout and stirs evenly to form pre-composition；
C. fine aggregate and coarse aggregate are added in pre-composition and stirs evenly to form water-tight concrete.
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