CN113880511A - Waterproof protection material for assembled prefabricated outer wall surface layer and manufacturing method - Google Patents
Waterproof protection material for assembled prefabricated outer wall surface layer and manufacturing method Download PDFInfo
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- CN113880511A CN113880511A CN202010631691.0A CN202010631691A CN113880511A CN 113880511 A CN113880511 A CN 113880511A CN 202010631691 A CN202010631691 A CN 202010631691A CN 113880511 A CN113880511 A CN 113880511A
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- 239000000463 material Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002344 surface layer Substances 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000004576 sand Substances 0.000 claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 46
- 239000004567 concrete Substances 0.000 claims abstract description 44
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 239000004568 cement Substances 0.000 claims abstract description 26
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 22
- 239000011707 mineral Substances 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 16
- 230000000996 additive effect Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000010422 painting Methods 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000011417 postcuring Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The invention relates to an assembly type prefabricated outer wall surface waterproof protective material and a manufacturing method thereof, wherein the assembly type prefabricated outer wall surface waterproof protective material comprises the following components in parts by weight: 200-300 parts of cement, 15-30 parts of silica fume, 50-80 parts of mineral powder, 500-800 parts of machine-made sand and 15-35 parts of additive; the preparation method comprises automatically metering and blending the components; sequentially adding machine-made sand, cement, silica fume, mineral powder and an additive into a stirrer; stirring at a low speed and then at a high speed; after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength; the product can be used after being detected to be qualified; the invention effectively blocks the erosion of water vapor to the concrete, reduces the carbonization speed of the concrete, does not have the failure phenomena of later cracking, peeling, falling off and the like, on one hand, effectively avoids or reduces the repeated painting in the later period, reduces the operation and maintenance cost, and on the other hand, improves the service life of the concrete prefabricated part.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an assembly type prefabricated outer wall surface waterproof protective material and a manufacturing method thereof.
Background
With the wide application of the fabricated building, especially the application and popularization of the concrete prefabricated part, the requirements on the water resistance and the pollution resistance of the concrete surface are higher and higher. The surface protection of the traditional concrete prefabricated part is mainly a post-coating process, namely acrylic paint or organosilicon waterproof material is coated after the prefabricated part is installed. The two materials form a film on the surface of the member, thereby isolating the action of water vapor on the concrete member. The two problems exist here, one is that the painting process is unreliable, and the other is that the protective film is easy to deform, crack and fall off under the actions of dry, wet, cold, heat and the like. Both of them can reduce the insufficient protection reliability of the protective layer, and the protection effect is reduced, thereby resulting in the shortened service life of the concrete.
Therefore, how to provide a waterproof protection material for an assembled prefabricated exterior wall surface layer and a manufacturing method thereof to solve the problems in the prior art is a technical problem to be solved urgently by those skilled in the art at present.
Disclosure of Invention
In view of this, an object of the present application is to provide a waterproof protective material for an assembled prefabricated exterior wall surface and a manufacturing method thereof, so as to improve the surface protection quality of a traditional concrete prefabricated component, reduce the occurrence of leakage of the concrete prefabricated component, reduce the operation and maintenance cost, improve the appearance of the concrete prefabricated component, and prolong the service life of the concrete prefabricated component.
In order to achieve the above object, the present application provides the following technical solutions.
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 200-300 parts of cement, 15-30 parts of silica fume, 50-80 parts of mineral powder, 500-800 parts of machine-made sand and 15-35 parts of additive.
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 220-280 parts of cement, 17-25 parts of silica fume, 60-70 parts of mineral powder, 600-700 parts of machine-made sand and 20-30 parts of additive.
Preferably, the cement is white and has a size of 52.5.
Preferably, the silica fume and the mineral powder are I-grade products.
Preferably, the machine-made sand is continuously graded and is dry sand.
Preferably, the density of the machine-made sand is 1-6 g/cm3。
Preferably, the machine-made sand comprises two components with different specifications, and the density of the machine-made sand is 1-3 g/cm3The density of the other machine-made sand is 3-6 g/cm3。
The manufacturing method of the prefabricated exterior wall surface waterproof protective material is characterized by comprising the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 80-200 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
The application method of the prefabricated exterior wall surface waterproof protective material is characterized by comprising the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
The beneficial technical effects obtained by the invention are as follows:
1) the invention solves the problems of surface protection of the existing concrete prefabricated part, utilizes the characteristics of the composite material cement base material and the concrete to be naturally compatible, has good associativity, achieves a very compact protective layer, effectively blocks the erosion of water vapor to the concrete, reduces the carbonization speed of the concrete, and has no failure phenomena of later-stage cracking, peeling, falling off and the like, on one hand, effectively avoids or reduces the repeated painting in the later stage, reduces the operation and maintenance cost, and on the other hand, prolongs the service life of the concrete prefabricated part;
2) the method is improved from two aspects of materials and processes, the materials are hydrophobic cement-based composite materials, the hydrophobic cement-based composite materials are pre-coated on the basement membrane of the prefabricated part, then concrete is poured, after full hydration reaction, 0.5-1.5 mm of permeable crystals are formed on the surface of the prefabricated part, capillary pores of the concrete are effectively blocked, and the prefabricated part and the concrete are integrated into a whole; the process ensures that the protective layer is uniform and consistent on the surface of the concrete member, and is reliable and effective;
3) the invention starts from the formula of the material, improves the existing material formula and pouring process, and the compact protective layer ensures that dirt such as dust is difficult to attach to the surface of the precast concrete component, and the component has a self-cleaning function and can be easily cleaned under the washing of rainwater, thereby realizing the waterproof and stain-resistant performance of the surface of the assembled precast outer wall or the precast concrete component.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood and to make the same practical in accordance with the content of the present specification, and to make the above and other objects, features, and advantages of the present application more apparent, the following detailed description is given of preferred embodiments of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments will be clearly and completely described below in conjunction with the technical solutions of the embodiments of the present application, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Example 1
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 200 parts of cement, 15 parts of silica fume, 80 parts of mineral powder, 800 parts of machine-made sand and 15 parts of additive.
The cement is white and has the model number of 52.5; the silica fume and the mineral powder are I-grade products.
The machine-made sand is continuously graded and is dry sand, and the density of the machine-made sand is 1-6 g/cm3。
The machine-made sand comprises two components with different specifications, and the density of the machine-made sand is 1g/cm3The density of the other machine-made sand is 6g/cm3。
The manufacturing method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 80 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
The use method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring; wherein the stirring speed of the stirrer is 1200r/min, the stirring time is 6min, and the post-curing treatment time is 0.5 min;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner; wherein the precoating thickness is 1 mm;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete; wherein the standing time is 20 min;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
Example 2
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 250 parts of cement, 20 parts of silica fume, 65 parts of mineral powder, 650 parts of machine-made sand and 25 parts of additive.
The cement is white and has the model number of 52.5; the silica fume and the mineral powder are I-grade products.
The machine-made sand is continuously graded and is dry sand, and the density of the machine-made sand is 1-6 g/cm3。
The machine-made sand comprises two components with different specifications, and the density of one machine-made sand is 2g/cm3The density of the other machine-made sand is 4g/cm3。
The manufacturing method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 120 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
The use method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring; wherein the stirring speed of the stirrer is 1300r/min, the stirring time is 4min, and the post-curing treatment time is 1.5 min;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner; wherein the precoating thickness is 2 mm;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete; wherein the standing time is 30 min;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
Example 3
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 300 parts of cement, 30 parts of silica fume, 50 parts of mineral powder, 500 parts of machine-made sand and 35 parts of additive.
The cement is white and has the model number of 52.5; the silica fume and the mineral powder are I-grade products.
The machine-made sand is continuously graded and is dry sand, and the density of the machine-made sand is 1-6 g/cm3。
The machine-made sand comprises two components with different specifications, and the density of one machine-made sand is 3g/cm3The density of the other machine-made sand is 4g/cm3。
The manufacturing method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 200 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
The use method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring; wherein the stirring speed of the stirrer is 1500r/min, the stirring time is 2min, and the post-curing treatment time is 3 min;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner; wherein the precoating thickness is 3 mm;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete; wherein the standing time is 40 min;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
The effect comparison of the above embodiments is carried out by taking a certain outer wall waterproof material in the market as a comparison example, and the results are shown in the following table 1:
TABLE 1
As can be seen from table 1, the product in this example is superior to the existing products in terms of both the permeation pressure resistance and the water absorption rate, and has a good waterproof effect.
Example 4
The assembly type prefabricated outer wall surface waterproof protection material comprises the following components in parts by weight: 220-280 parts of cement, 17-25 parts of silica fume, 60-70 parts of mineral powder, 600-700 parts of machine-made sand and 20-30 parts of additive.
The cement is white and has the model number of 52.5; the silica fume and the mineral powder are I-grade products.
The machine-made sand is continuously graded and is dry sand, and the density of the machine-made sand is 1-6 g/cm3。
The machine-made sand comprises two components with different specifications, and the density of the machine-made sand is 1-3 g/cm3The density of the other machine-made sand is 3-6 g/cm3。
The manufacturing method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 80-200 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
The use method of the prefabricated exterior wall surface waterproof protective material comprises the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring; wherein the stirring speed of the stirrer is 1200-1500 r/min, the stirring time is 2-6 min, and the post-curing treatment time is 0.5-3 min;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner; wherein the precoating thickness is 1-3 mm;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete; wherein the standing time is 20-40 min;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
The prefabricated exterior wall surface waterproof protective material has the following advantages:
advantages in terms of materials:
in the quality aspect: compared with the traditional concrete surface protective agent and waterproof material, the cement-based composite material of the embodiment is easier to combine with concrete, and has no failure effects such as later-stage cracking, peeling and falling;
in terms of life: the service life of concrete protection is prolonged. The service life of the traditional material is 20 years, the service life of the embodiment can reach the same as that of the structure, and is 50-100 years.
Operation and maintenance aspects: this embodiment and structure are under construction simultaneously, and the maintenance simultaneously is carried with the structure and is formed fine and close crystallization integratively, has improved the hardness and the compactedness on surface to make the surface be difficult for staining, easily rain wash reaches self-cleaning effect. In addition, the quality problems of cracking, peeling, falling and the like are avoided, and multiple painting in the later period is avoided or reduced;
the advantages in the process aspect are as follows:
and (5) factory construction, and industrial construction is realized. The randomness of site construction is avoided, and the quality is difficult to control stably and reliably.
Construct simultaneously with the structure, the maintenance simultaneously, as an organic whole with the structure growth, can obtain comprehensive concrete protective layer, reduced the concrete later stage construction link.
Overall, the advantages of saving labor, saving energy, saving water, protecting environment, reducing dust emission and the like.
The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the invention, which may be within the spirit and principle of the invention, by conventional substitution or may realize the same function.
Claims (9)
1. The assembly type prefabricated outer wall surface waterproof protection material is characterized by comprising the following components in parts by weight: 200-300 parts of cement, 15-30 parts of silica fume, 50-80 parts of mineral powder, 500-800 parts of machine-made sand and 15-35 parts of additive.
2. The assembly type prefabricated exterior wall surface waterproof protective material of claim 1, which is characterized by comprising the following components in parts by weight: 220-280 parts of cement, 17-25 parts of silica fume, 60-70 parts of mineral powder, 600-700 parts of machine-made sand and 20-30 parts of additive.
3. The prefabricated exterior wall surface waterproof protective material of claim 1, wherein the cement is white and has a size of 52.5.
4. The prefabricated exterior wall surface waterproof protective material of claim 1, wherein the silica fume and the mineral powder are I-grade products.
5. The prefabricated exterior wall surface waterproof protective material of claim 1, wherein the machine-made sand is continuously graded and is dry sand.
6. The prefabricated exterior wall surface waterproof protective material of claim 1, wherein the density of the machine-made sand is 1-6 g/cm3。
7. The assembly type prefabricated exterior wall surface waterproof protective material as claimed in claim 6, wherein the machine-made sand comprises two components with different specifications, and the density of one machine-made sand is 1-3 g/cm3The density of the other machine-made sand is 3-6 g/cm3。
8. The manufacturing method of the prefabricated exterior wall surface waterproof protective material of any one of claims 1 to 7, characterized by comprising the following steps:
101. the components are automatically metered and proportioned, so that the weight accuracy of each component is ensured;
102. feeding materials into a stirrer in the order of firstly coarse and then fine, wherein the materials comprise machine-made sand, cement, silica fume, mineral powder and an additive in turn;
103. 102, stirring after the feeding is finished, wherein the stirring is carried out at a low speed and then at a high speed, and the total stirring time is 80-200 s;
104. after stirring, detecting uniformity, consistency and fluidity, and making a test block to test waterproof effect, shrinkage of mortar and bonding strength;
105. the product can be used after being detected to be qualified.
9. The use method of the prefabricated exterior wall surface waterproof protective material of claim 8, characterized by comprising the following steps:
201. adding water into the prepared waterproof protective material, stirring by using a stirrer, and curing after stirring;
202. after step 201, testing the fluidity of the concrete, and carrying out construction after the construction performance is met;
203. pre-coating a waterproof protective material on a bottom die of the prefabricated part in a roll coating or spraying manner;
204. step 203, standing for a period of time after the precoating is finished, and then pouring concrete;
205. the maintenance is finished according to a conventional concrete mode;
206. after step 205, the mold is removed, and then the curing is continued, keeping the temperature and humidity.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114663A (en) * | 2013-03-07 | 2013-05-22 | 浙江省建筑科学设计研究院有限公司 | Assemble type multifunctional outer wall body and production and installation method thereof |
| CN105110730A (en) * | 2015-08-03 | 2015-12-02 | 盐城工学院 | Modified organic silicon reinforced cement-based permeable crystallization type waterproof coating and preparation method therefor |
| CN105601204A (en) * | 2016-01-28 | 2016-05-25 | 中国建筑股份有限公司 | Self-cleaning thin veneer waterproof material, external wall panel made of self-cleaning thin veneer waterproof material, and application method of self-cleaning thin veneer waterproof material |
| CN111116133A (en) * | 2019-12-25 | 2020-05-08 | 三一筑工科技有限公司 | Concrete interface agent and surface treatment method of laminated member |
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2020
- 2020-07-03 CN CN202010631691.0A patent/CN113880511A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114663A (en) * | 2013-03-07 | 2013-05-22 | 浙江省建筑科学设计研究院有限公司 | Assemble type multifunctional outer wall body and production and installation method thereof |
| CN105110730A (en) * | 2015-08-03 | 2015-12-02 | 盐城工学院 | Modified organic silicon reinforced cement-based permeable crystallization type waterproof coating and preparation method therefor |
| CN105601204A (en) * | 2016-01-28 | 2016-05-25 | 中国建筑股份有限公司 | Self-cleaning thin veneer waterproof material, external wall panel made of self-cleaning thin veneer waterproof material, and application method of self-cleaning thin veneer waterproof material |
| CN111116133A (en) * | 2019-12-25 | 2020-05-08 | 三一筑工科技有限公司 | Concrete interface agent and surface treatment method of laminated member |
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Application publication date: 20220104 |