CN114349411A - Novel concrete material with high water permeability and preparation method thereof - Google Patents
Novel concrete material with high water permeability and preparation method thereof Download PDFInfo
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- CN114349411A CN114349411A CN202210158214.6A CN202210158214A CN114349411A CN 114349411 A CN114349411 A CN 114349411A CN 202210158214 A CN202210158214 A CN 202210158214A CN 114349411 A CN114349411 A CN 114349411A
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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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Abstract
The invention discloses a new concrete material with high water permeability, which is characterized in that: the new concrete material with high water permeability is prepared from the following raw materials in parts by weight: 10-30 parts of water, 20-60 parts of cement, 1-5 parts of a water reducing agent, 30-70 parts of aggregate, 4-8 parts of carbon fiber, 4-8 parts of plant fiber, 3-7 parts of a silane coupling agent, 40-80 parts of medium sand and 4-8 parts of polystyrene foam; according to the invention, the material has good water permeability by utilizing the porous characteristic of the carbon fiber, the carbon fiber is filled as the filler, the water permeability is not influenced by the use time, the material has good toughness by utilizing the characteristic of good toughness of the plant fiber, the material is not easy to break, and the fragments can be connected through the plant fiber after the material is cracked, so that the potential safety hazard is avoided, the compression resistance of the material is improved by adding the polystyrene foam, and the weight of the material is reduced.
Description
Technical Field
The invention relates to the field of production of new concrete materials, relates to a new concrete material with high water permeability, and particularly relates to a new concrete material with high water permeability and a preparation method thereof.
Background
The concrete is a general name of engineering composite materials formed by cementing aggregate into a whole by a cementing material, and along with the development of the building industry, the concrete also has various characteristics according to the use requirements, and is one of essential building materials in the building industry, wherein the new concrete material with high water permeability is different from the water retention characteristic of the traditional concrete, and the new concrete material with high water permeability has good development prospect in the field of road construction by exactly utilizing the high water permeability; the new concrete material with high water permeability has certain defects to be improved when in use, firstly, the water permeability of the new concrete material with high water permeability is realized by adjusting the proportion of raw materials in the production process, and the filler for improving the water permeability is lacked, so the water permeability is gradually reduced along with the increase of the use time, and secondly, the new concrete material with high water permeability has poor toughness and pressure resistance because the water permeability needs to be met.
Disclosure of Invention
The invention aims to provide a new concrete material with high water permeability, which solves the problems that the water permeability of the existing new concrete material with high water permeability in the prior art is realized by adjusting the proportion of raw materials in the production process and lacks of a filler for improving the water permeability, so that the water permeability is gradually reduced along with the increase of the service time, and secondly, the toughness and the pressure resistance are poor because the existing new concrete material with high water permeability needs to meet the water permeability.
The purpose of the invention can be realized by the following technical scheme:
a new material of concrete with high water permeability is characterized in that: the new concrete material with high water permeability is prepared from the following raw materials in parts by weight: 10-30 parts of water, 20-60 parts of cement, 1-5 parts of a water reducing agent, 30-70 parts of aggregate, 4-8 parts of carbon fiber, 4-8 parts of plant fiber, 3-7 parts of a silane coupling agent, 40-80 parts of medium sand and 4-8 parts of polystyrene foam.
As a further scheme of the invention, the concrete new material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 4 parts of polystyrene foam.
As a further aspect of the present invention, the aggregate is crushed marble particles, and the particle size of the crushed marble particles is 5 to 10 mm.
As a further scheme of the invention, the grain diameter of the medium sand is 1-3mm, and the grain diameter of the polystyrene foam is 1-3 mm.
As a further aspect of the present invention, the plant fiber is selected from bast fiber.
A preparation method of a new concrete material with high water permeability specifically comprises the following steps:
the method comprises the following steps: 20 parts of cement, 30 parts of aggregate and 40 parts of medium sand are poured into a cement mixer A together to form a mixture VAStirring at a constant speed, adding 10 parts of water into a cement stirrer in batches while stirring, and uniformly stirring to obtain a base material;
step two: adding 1 part of water reducing agent, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent and 4 parts of polystyrene foam into a cement mixer B, and adding VBStirring at constant speed, and mixing to obtain adjuvants;
step three: the rotating speed of the cement mixer A is reduced to VA1Adding the auxiliary materials in the step two into a cement mixer A by using a mixer VAStirring at constant speed to uniformly mix the auxiliary materials and the base materials to obtain a finished product.
As a further scheme of the invention, the stirring time in the step one is 1h, the stirring time in the step two is 30min, the stirring time in the step three is 1h, VAHas a value of 250r/min, VBHas a value of 150r/min, VA1The value of (b) is 80 r/min.
The invention has the beneficial effects that:
1. compared with the existing new concrete material, the new concrete material with high water permeability has better water permeability by adding the carbon fibers and utilizing the porous characteristic of the carbon fibers, and meanwhile, the carbon fibers are used as fillers for filling, so that the water permeability is not influenced by the service time;
2. by adding the plant fiber, the material has better toughness by utilizing the characteristic that the plant fiber has good toughness, is not easy to break, and can still connect each fragment through the plant fiber after the material is cracked, thereby avoiding potential safety hazards;
3. by adding the polystyrene foam, the compression resistance of the material is improved, and the weight of the material is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A new material of concrete with high water permeability is characterized in that: the new concrete material with high water permeability is prepared from the following raw materials in parts by weight: 10-30 parts of water, 20-60 parts of cement, 1-5 parts of a water reducing agent, 30-70 parts of aggregate, 4-8 parts of carbon fiber, 4-8 parts of plant fiber, 3-7 parts of a silane coupling agent, 40-80 parts of medium sand and 4-8 parts of polystyrene foam.
The concrete new material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 4 parts of polystyrene foam.
The aggregate is broken marble particles, and the particle size of the broken marble particles is 5-10 mm.
The grain diameter of the medium sand is 1-3mm, and the grain diameter of the polystyrene foam is 1-3 mm.
The plant fiber is bast fiber.
A preparation method of a new concrete material with high water permeability specifically comprises the following steps:
the method comprises the following steps: 20 parts of cement, 30 parts of aggregate and 40 parts of medium sand are poured into a cement mixer A together to form a mixture VAStirring at a constant speed, adding 10 parts of water into a cement stirrer in batches while stirring, and uniformly stirring to obtain a base material;
step two: adding 1 part of water reducing agent, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent and 4 parts of polystyrene foam into a cement mixer B, and adding VBStirring at constant speed, and mixing to obtain adjuvant；
Step three: the rotating speed of the cement mixer A is reduced to VA1Adding the auxiliary materials in the step two into a cement mixer A by using a mixer VAStirring at constant speed to uniformly mix the auxiliary materials and the base materials to obtain a finished product.
Stirring time in the first step is 1h, stirring time in the second step is 30min, stirring time in the third step is 1h, VAHas a value of 250r/min, VBHas a value of 150r/min, VA1The value of (b) is 80 r/min.
Example 2
A new concrete material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 5 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 4 parts of polystyrene foam.
Example 3
A new concrete material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 6 parts of carbon fiber, 5 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 4 parts of polystyrene foam.
Example 4
A new concrete material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 7 parts of carbon fiber, 6 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 5 parts of polystyrene foam.
Example 5
A new concrete material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 8 parts of carbon fiber, 7 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 6 parts of polystyrene foam.
The experimental results of the examples are as follows:
| coefficient of water permeability | Compressive strength | Toughness strength | |
| Example 1 | 3.3 | 22.5 | 33.3 |
| Example 2 | 4.4 | 22.7 | 33.5 |
| Example 3 | 5.7 | 22.8 | 38.6 |
| Example 4 | 6.8 | 28.5 | 42.4 |
| Example 5 | 8.2 | 36.6 | 48.7 |
From the above table in combination with the parts by weight of the components in examples 1 to 5 it can be seen that:
(1) the water permeability coefficient is continuously increased along with the increase of the weight part of the carbon fiber;
(2) along with the increase of the weight parts of the plant fiber, the toughness strength is continuously increased;
(3) the compressive strength is continuously increased along with the increase of the weight parts of the polystyrene foam.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (7)
1. A new material of concrete with high water permeability is characterized in that: the new concrete material with high water permeability is prepared from the following raw materials in parts by weight: 10-30 parts of water, 20-60 parts of cement, 1-5 parts of a water reducing agent, 30-70 parts of aggregate, 4-8 parts of carbon fiber, 4-8 parts of plant fiber, 3-7 parts of a silane coupling agent, 40-80 parts of medium sand and 4-8 parts of polystyrene foam.
2. A new material for concrete with high water permeability as claimed in claim 1, characterized in that: the concrete new material with high water permeability comprises the following components in parts by weight: 10 parts of water, 20 parts of cement, 1 part of water reducing agent, 30 parts of aggregate, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent, 40 parts of medium sand and 4 parts of polystyrene foam.
3. A new material for concrete with high water permeability as claimed in claim 1, characterized in that: the aggregate is crushed marble particles, and the particle size of the crushed marble particles is 5-10 mm.
4. A new material for concrete with high water permeability as claimed in claim 1, characterized in that: the grain diameter of the medium sand is 1-3mm, and the grain diameter of the polystyrene foam is 1-3 mm.
5. A new material for concrete with high water permeability as claimed in claim 1, characterized in that: the plant fiber is bast fiber.
6. A method for preparing a new material for concrete with high water permeability as claimed in claim 1, characterized in that it comprises the following steps:
the method comprises the following steps: 20 parts of cement, 30 parts of aggregate and 40 parts of medium sand are poured into a cement mixer A together to form a mixture VAStirring at a constant speed, adding 10 parts of water into a cement stirrer in batches while stirring, and uniformly stirring to obtain a base material;
step two: adding 1 part of water reducing agent, 4 parts of carbon fiber, 4 parts of plant fiber, 3 parts of silane coupling agent and 4 parts of polystyrene foam into a cement mixer B, and adding VBStirring at constant speed, and mixing to obtain adjuvants;
step three: the rotating speed of the cement mixer A is reduced to VA1Adding the auxiliary materials in the step two into a cement mixer A by using a mixer VAStirring at constant speed to uniformly mix the auxiliary materials and the base materials to obtain a finished product.
7. The method for preparing a new material of concrete with high water permeability as claimed in claim 6, wherein: the stirring time in the step one is 1h, the stirring time in the step two is 30min, the stirring time in the step three is 1h, VAHas a value of 250r/min, VBHas a value of 150r/min, VA1The value of (b) is 80 r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210158214.6A CN114349411A (en) | 2022-02-21 | 2022-02-21 | Novel concrete material with high water permeability and preparation method thereof |
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| CN202210158214.6A CN114349411A (en) | 2022-02-21 | 2022-02-21 | Novel concrete material with high water permeability and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448657A (en) * | 2022-08-23 | 2022-12-09 | 绍兴职业技术学院 | Pervious concrete containing porous hybrid fiber modified recycled aggregate and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180623A (en) * | 2011-03-09 | 2011-09-14 | 福建工程学院 | Water-permeable cement concrete |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN106747571A (en) * | 2017-01-18 | 2017-05-31 | 河南国隆实业有限公司 | A kind of city sponge permeable structure brick and its production technology |
| CN109160781A (en) * | 2018-08-25 | 2019-01-08 | 北京建工新型建材有限责任公司 | High-strength water-permeable concrete and preparation method thereof |
| CN110357500A (en) * | 2019-06-25 | 2019-10-22 | 厦门三航混凝土有限公司 | A kind of pervious concrete |
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2022
- 2022-02-21 CN CN202210158214.6A patent/CN114349411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180623A (en) * | 2011-03-09 | 2011-09-14 | 福建工程学院 | Water-permeable cement concrete |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN106747571A (en) * | 2017-01-18 | 2017-05-31 | 河南国隆实业有限公司 | A kind of city sponge permeable structure brick and its production technology |
| CN109160781A (en) * | 2018-08-25 | 2019-01-08 | 北京建工新型建材有限责任公司 | High-strength water-permeable concrete and preparation method thereof |
| CN110357500A (en) * | 2019-06-25 | 2019-10-22 | 厦门三航混凝土有限公司 | A kind of pervious concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448657A (en) * | 2022-08-23 | 2022-12-09 | 绍兴职业技术学院 | Pervious concrete containing porous hybrid fiber modified recycled aggregate and preparation method thereof |
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Application publication date: 20220415 |