CN115677299A - Machine-made sand joint sealing material for fabricated building and preparation method thereof - Google Patents
Machine-made sand joint sealing material for fabricated building and preparation method thereof Download PDFInfo
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- CN115677299A CN115677299A CN202211335962.3A CN202211335962A CN115677299A CN 115677299 A CN115677299 A CN 115677299A CN 202211335962 A CN202211335962 A CN 202211335962A CN 115677299 A CN115677299 A CN 115677299A
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- mortar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a machine-made sand joint sealing material for an assembly type building and a preparation method thereof, the machine-made sand joint sealing material capable of replacing quartz sand is prepared by utilizing cement, machine-made sand, a polycarboxylic acid water reducing agent, water, polypropylene fiber and cellulose ether, the prepared mortar has good fluidity and dispersion resistance, the freshly mixed mortar has good plasticity and flexibility in the construction process, the bonding capability of the mortar and a base layer is strong, the operation time is long during construction, the early strength after construction is quickly improved, the strength is more than 30Mpa after 1 day, the strength exceeds 50Mpa after 28 days, the strength is not influenced by low-temperature environment, the volume of the mortar after solidification is stable, the construction performance is good, and the economic benefit is obvious. Belongs to the field of concrete mortar.
Description
Technical Field
The invention relates to a machine-made sand joint sealing material for an assembly type building and a preparation method thereof, belonging to the field of concrete mortar.
Background
A machine-made sand joint sealing material for prefabricated component hoist and mount and accomplish the back closed component bottom junction gap of supporting to guarantee follow-up grout construction and solidification in-process not fracture, leak thick liquid, waterproof good etc. present joint sealing material main part generally is natural grit resource, and economic cost is higher, and considers natural grit resource and reduces gradually and ecological sustainable development, and the urgent need seeks better quality and sustainable machine-made sand joint sealing material in order to solve above-mentioned problem.
Disclosure of Invention
The invention provides a machine-made sand joint sealing material for an assembly type building and a preparation method thereof, which are used for solving the problems of exhaustion of natural sandstone resources, higher economic cost and the like and simultaneously accord with ecological sustainable development.
In order to solve the problems, the machine-made sand joint sealing material for the fabricated building is supposed to be adopted, and the main components of the machine-made sand joint sealing material comprise: the mortar comprises cement, machine-made sand, a polycarboxylic acid water reducing agent, water, fiber and cellulose ether, wherein the components are as follows in parts by mass, and the total amount is 1000kg:
aluminate cement: 327.9kg
And (3) machining sand: 553.4kg of
Water: 106.6kg
Polycarboxylic acid water reducing agent (powder): 4.1kg
Fiber: 7.1kg
Cellulose ether: 0.9kg.
In the machine-made sand joint sealing material, the fibers are polypropylene fibers or wood fibers, the length of the fibers is 3-5mm, and the added fibers can improve the toughness of the mortar and the anti-permeability performance of the mortar;
in the machine-made sand joint sealing material, the cellulose ether can improve the water retention rate of mortar, prevent water-slurry separation and improve the construction performance of the mortar;
in the machine-made sand joint sealing material, the polycarboxylate superplasticizer is solid powder, the joint sealing material is added with the polycarboxylate superplasticizer, the reinforcing effect is obvious, and the volume of the joint sealing material is stable after solidification;
in the machine-made sand joint sealing material, the cementing material of the joint sealing material is aluminate cement, and the aluminate cement is beneficial to improving the early strength of the joint sealing material in a low-temperature environment;
the preparation method of the machine-made sand joint sealing material comprises the following steps:
cleaning related tools and equipment, and checking the operation condition after drying;
step two, adding the machine-made sand and the cement into the mixer in proportion, starting up the mixer, and stirring and mixing uniformly;
step three, sequentially adding cellulose ether, polypropylene fiber and polycarboxylic acid water reducing agent according to a proportion in a starting state, and stirring for 3 minutes to fully and uniformly mix the materials;
sampling and observing uniformity, discharging and packaging after the uniformity is qualified, and transporting to a construction site;
in the method, the contact surface of the sealed cabin is cleaned firstly during site construction, clear water is prepared according to the requirement, and the sealed cabin construction can be started after the water is added and stirred for 5-10 minutes.
Compared with the prior art, the mortar prepared by the invention has good fluidity and anti-dispersion capability, the newly mixed mortar has good plasticity and flexibility in the construction process, the mortar has strong bonding capability with a base layer, the operation time is long during construction, the early strength after construction is quickly improved, the strength is more than 30Mpa in 1 day, the strength is more than 50Mpa in 28 days, the strength is not influenced by low-temperature environment, the volume of the mortar is stable after solidification, the construction performance is good, the economic benefit is obvious, and the joint sealing material uses high-quality machine-made sand to replace quartz sand to prepare fine aggregate, thereby conforming to the green ecological sustainable development and having good market application prospect.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below, and it should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
Example 1
The high-quality machine-made sand joint sealing material comprises cement, machine-made sand, a polycarboxylic acid water reducing agent (powder), water, polypropylene fibers and cellulose ether, and the components are as follows by mass (the total amount is 1000 kg):
aluminate cement: 327.9kg
High-quality machine-made sand: 553.4kg of
Water: 106.6kg
High-performance polycarboxylic acid water reducing agent (powder): 4.1kg
Fiber: 7.1kg
Cellulose ether: 0.9kg
The preparation method comprises the following steps:
cleaning related tools and equipment, and checking the operation condition after drying;
step two, adding the machine-made sand and the cement into the mixer in proportion, and stirring and mixing uniformly after starting up;
step three, sequentially adding cellulose ether, polypropylene fiber and polycarboxylic acid water reducing agent (powder) according to a proportion in a starting state, and stirring for 3 minutes to fully and uniformly mix the materials;
and step four, sequentially adding clear water, and stirring for 5-10 minutes.
Example 2
The high-quality machine-made sand joint sealing material comprises cement, high-quality machine-made sand, a high-performance polycarboxylic acid water reducing agent (powder), water, polypropylene fiber and cellulose ether, wherein the mass of each component is as follows (the total amount is 1000 kg):
aluminate cement: 327.9kg
High-quality machine-made sand: 553.4kg of
Water: 106.6kg
High-performance polycarboxylic acid water reducing agent (powder): 4.1kg
Fiber: 7.1kg
Cellulose ether: 0.9kg.
The preparation method comprises the following steps:
cleaning related tools and equipment, and checking the operation condition after drying;
step two, adding high-quality machine-made sand and cement into the mixing machine, starting up the machine, and stirring and mixing uniformly;
step three, sequentially adding cellulose ether, polypropylene fiber and high-performance polycarboxylic acid water reducing agent (powder) in a starting state, and stirring for 3 minutes to fully and uniformly mix the materials;
and step four, sampling and observing uniformity, discharging and packaging after the uniformity is qualified, and performing waterproof and moistureproof processes in transportation and storage.
And step five, cleaning the related contact surface of the sealed bin during site construction, preparing a mould and clear water according to the needs, adding water according to the needs, and stirring for 5-10 minutes to start the sealed bin construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A machine-made sand joint sealing material for fabricated buildings is characterized by comprising the following main components: the mortar comprises cement, machine-made sand, a polycarboxylic acid water reducing agent, water, fibers and cellulose ether, wherein the mass parts of the components are as follows, and the total amount is 1000kg:
aluminate cement: 327.9kg
And (3) machining sand: 553.4kg of
Water: 106.6kg
Polycarboxylic acid water reducing agent: 4.1kg
Fiber: 7.1kg
Cellulose ether: 0.9kg.
2. The machine-made sand joint compound for prefabricated buildings according to claim 1, characterized in that: the fiber is polypropylene fiber or wood fiber, and the length of the fiber is 3-5mm.
3. The machine-made sand joint compound for prefabricated buildings according to claim 1, characterized in that: the polycarboxylate superplasticizer is solid powder.
4. The method for preparing the machine-made sand joint sealing material as claimed in claim 1, which is characterized by comprising the following steps:
cleaning related tools and equipment, and checking the operation condition after drying;
step two, adding the machine-made sand and the cement into the mixer in proportion, and stirring and mixing uniformly after starting up;
step three, sequentially adding cellulose ether, polypropylene fiber and polycarboxylic acid water reducing agent according to a proportion in a starting state, and stirring for 3 minutes to fully and uniformly mix the materials;
and step four, sampling and observing uniformity, discharging and packaging after the uniformity is qualified, and transporting to a construction site.
5. The method of claim 4, wherein: during site construction, the contact surface of the sealing bin is cleaned, clear water is prepared as required, and the sealing bin construction can be started after the machine-made sand sealing material is stirred for 5-10 minutes after water is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211335962.3A CN115677299A (en) | 2022-10-28 | 2022-10-28 | Machine-made sand joint sealing material for fabricated building and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211335962.3A CN115677299A (en) | 2022-10-28 | 2022-10-28 | Machine-made sand joint sealing material for fabricated building and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115677299A true CN115677299A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211335962.3A Withdrawn CN115677299A (en) | 2022-10-28 | 2022-10-28 | Machine-made sand joint sealing material for fabricated building and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105801057A (en) * | 2016-04-14 | 2016-07-27 | 广西横县恒丰建材有限责任公司 | Aerated concrete block surface mortar and production method thereof |
| CN106007592A (en) * | 2016-05-23 | 2016-10-12 | 广西横县恒丰建材有限责任公司 | Super early strength type plastic expansion repair mortar and production method thereof |
| CN107244855A (en) * | 2017-06-13 | 2017-10-13 | 郑州经纬西部新型建材科技有限公司 | High performance no-contraction cement base grouting material prepared with Machine-made Sand and preparation method thereof |
| WO2021128629A1 (en) * | 2019-12-24 | 2021-07-01 | 科之杰新材料集团有限公司 | Sleeve grouting material for prefabricated components and preparation method therefor |
-
2022
- 2022-10-28 CN CN202211335962.3A patent/CN115677299A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105801057A (en) * | 2016-04-14 | 2016-07-27 | 广西横县恒丰建材有限责任公司 | Aerated concrete block surface mortar and production method thereof |
| CN106007592A (en) * | 2016-05-23 | 2016-10-12 | 广西横县恒丰建材有限责任公司 | Super early strength type plastic expansion repair mortar and production method thereof |
| CN107244855A (en) * | 2017-06-13 | 2017-10-13 | 郑州经纬西部新型建材科技有限公司 | High performance no-contraction cement base grouting material prepared with Machine-made Sand and preparation method thereof |
| WO2021128629A1 (en) * | 2019-12-24 | 2021-07-01 | 科之杰新材料集团有限公司 | Sleeve grouting material for prefabricated components and preparation method therefor |
Non-Patent Citations (1)
| Title |
|---|
| 郑娟荣;朱亚兰;赵振波;: "外加剂对机制砂抹灰砂浆施工性能的影响", 混凝土, no. 07, pages 110 - 112 * |
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Application publication date: 20230203 |