CN114133156A - Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite - Google Patents
Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite Download PDFInfo
- Publication number
- CN114133156A CN114133156A CN202111512290.4A CN202111512290A CN114133156A CN 114133156 A CN114133156 A CN 114133156A CN 202111512290 A CN202111512290 A CN 202111512290A CN 114133156 A CN114133156 A CN 114133156A
- Authority
- CN
- China
- Prior art keywords
- ceramsite
- solution
- surface treatment
- concrete
- hours
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 title abstract description 5
- 238000004381 surface treatment Methods 0.000 claims abstract description 30
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 9
- 229910000077 silane Inorganic materials 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 230000008595 infiltration Effects 0.000 claims abstract description 3
- 238000001764 infiltration Methods 0.000 claims abstract description 3
- 230000002708 enhancing effect Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
Abstract
The invention provides a ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite, wherein the ceramsite surface reinforcing method comprises the following steps: step one, preparing a ceramsite surface treatment solution, wherein the ceramsite surface treatment solution is silane or ethyl silicate; step two, adopting a ceramsite surface treatment solution to perform infiltration treatment on the surface of the ceramsite; step three, drying the ceramsite; and step four, testing the cylinder pressure strength, the bulk density and the water absorption of the ceramsite. On the premise of controlling the stacking density not to change greatly, the invention can improve the cylinder pressure strength of the ceramsite by 50 percent, simultaneously reduce the water absorption of the ceramsite by about 30 percent before treatment, and provide favorable technical support for the preparation of high-strength light aggregate concrete and the development of the light high-strength performance of the ceramsite concrete at the later stage.
Description
Technical Field
The invention relates to the technical field of concrete preparation, in particular to a ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite.
Background
The ceramsite is a ceramic particle prepared by taking industrial waste as a main raw material, and has the advantages of low manufacturing cost, environmental protection and no pollution. The ceramsite has different shapes due to different production processes, is roughly in the shape of a round or oval sphere in appearance characteristic, and also has part of gravel-type ceramsite in the shape of irregular gravel. Because of the characteristics of light weight, porosity and the like, the lightweight aggregate concrete is often used for preparing lightweight aggregate concrete in buildings. In the preparation of concrete, the ceramsite can replace part or all of stones to prepare lightweight aggregate concrete, and the self weight can be reduced by 30-40% under the condition of meeting the requirement of design strength, so that the effects of light weight, fire prevention, heat preservation and heat insulation are achieved. However, the strength of the ceramsite is lower than that of the stone, and the ceramsite has higher porosity than that of common coarse aggregate, so that the strength development of the light aggregate concrete prepared from the ceramsite is limited.
Therefore, a method for surface treatment of ceramsite is needed to improve the cylinder pressure strength of ceramsite and control the bulk density of ceramsite not to change greatly, so as to meet the configuration requirement of high-strength lightweight aggregate concrete.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention aims to provide a method for enhancing the surface of concrete ceramsite, which is used to solve the problem that the prior art has insufficient cylinder compressive strength and the increase of the cylinder compressive strength causes significant changes in bulk density. Meanwhile, the invention also provides a surface-enhanced ceramsite for concrete.
In order to attain the above and other related objects,
in a first aspect of the invention, a method for enhancing the surface of ceramsite for concrete is provided, which comprises the following steps
Step one, preparing a ceramsite surface treatment solution, wherein the ceramsite surface treatment solution is silane or ethyl silicate;
step two, adopting a ceramsite surface treatment solution to perform infiltration treatment on the surface of the ceramsite;
step three, drying the ceramsite;
and step four, testing the cylinder pressure strength, the bulk density and the water absorption of the ceramsite.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is silane; and in the second step, the ceramsite surface treatment solution is sprayed on the surface of the ceramsite, and in the third step, the ceramsite is dried for 48 hours in a natural environment.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is ethyl silicate, in the second step, the ceramsite surface treatment solution is sprayed on the surface of the ceramsite, and in the third step, the ceramsite after treatment is dried for 48 hours in a natural environment.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is silane, in the second step, the ceramsite is immersed in the ceramsite surface treatment solution for 1 hour, and in the third step, the treated ceramsite is dried in a natural environment for 48 hours.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is ethyl silicate, in the second step, the ceramsite is immersed in the ceramsite surface treatment solution for 1 hour, and in the third step, the treated ceramsite is dried in a natural environment for 48 hours.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is ethyl silicate diluted by 10 times, in the second step, the ceramsite is immersed in the ceramsite surface treatment solution for 1 hour, and in the third step, the treated ceramsite is dried in a natural environment for 48 hours.
In one embodiment of the present invention, in the first step, the ceramsite surface treatment solution is ethyl silicate diluted by 100 times, in the second step, the ceramsite is immersed in the ceramsite surface treatment solution for 1 hour, and in the third step, the treated ceramsite is dried in a natural environment for 48 hours.
The second aspect of the invention provides surface-enhanced ceramsite for concrete, which is prepared by the method, the nominal particle size of the ceramsite is 10-20 mm, the cylinder pressure strength of the ceramsite is more than or equal to 12.3 MPa, the bulk density of the ceramsite is more than or equal to 922 kg/cubic meter, the half-hour water absorption of the ceramsite is less than or equal to 1.78%, the 1-hour water absorption of the ceramsite is less than or equal to 1.88%, and the 24-hour water absorption of the ceramsite is less than or equal to 1.88%.
As described above, the present invention has the following advantageous effects: on the premise of controlling the stacking density not to change greatly, the invention can improve the cylinder pressure strength of the ceramsite by 50 percent, simultaneously reduce the water absorption of the ceramsite by about 30 percent before treatment, and provide favorable technical support for the preparation of high-strength light aggregate concrete and the development of the light high-strength performance of the ceramsite concrete at the later stage.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The purpose of this embodiment is to provide a method for surface treatment of ceramsite raw material to improve the cylinder compressive strength of the ceramsite product, in view of the insufficient cylinder compressive strength of the spherical silicate ceramsite product.
The implementation adopts the following technical scheme:
seven ceramsite samples with the nominal size fraction of 10-20 mm are screened, wherein the sample 1 is not treated (a control group); respectively spraying silane (WS 808) and ethyl silicate (dynasylan A) solutions on the surfaces of the ceramsite by adopting a spraying treatment method for the samples 2 and 3, and drying the treated ceramsite for 48 hours in an indoor natural state to basically achieve a drying effect; respectively soaking the ceramsite in silane (WS 808) and ethyl silicate (dynasylan A) solutions for 1h by adopting a dipping treatment method for the samples 4 and 5, and drying the treated ceramsite for 48h indoors in a natural state after the solutions completely penetrate the ceramsite to basically achieve a drying effect; and (3) respectively soaking the ceramsite in the mixture of the raw materials 1: 10 and 1: 100, completely penetrating the solution into the ceramsite, and drying the treated ceramsite for 48 hours indoors in a natural state to basically achieve the drying effect after the solution completely penetrates the ceramsite.
According to GB/T17431.2-2010 part 2 of lightweight aggregate and its test method: test methods for lightweight aggregate seven groups of samples were tested for cylinder pressure strength, bulk density and water absorption, respectively (see table 1).
Table 1 barrel pressure strength, bulk density and water absorption testing of lightweight aggregates
As can be seen from the above table, the surface-treated ceramsite has improved cylinder pressure strength, greatly reduced water absorption, and maintained bulk density without great change. Wherein the impregnation treatment is carried out by ethyl silicate and the ratio of 1: the indexes of the 10 diluted ethyl silicate dipped ceramsite are all close to each other. For higher economic efficiency, 1: 10 method of diluted ethyl silicate impregnation treatment.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The method for enhancing the surface of the ceramsite for concrete is characterized by comprising the following steps
Step one, preparing a ceramsite surface treatment solution, wherein the ceramsite surface treatment solution is silane or ethyl silicate;
step two, adopting a ceramsite surface treatment solution to perform infiltration treatment on the surface of the ceramsite;
step three, drying the ceramsite;
and step four, testing the cylinder pressure strength, the bulk density and the water absorption of the ceramsite.
2. A method for enhancing the surface of ceramsite according to claim 1, wherein in the first step, the solution for treating the surface of the ceramsite is silane; and in the second step, the ceramsite surface treatment solution is sprayed on the surface of the ceramsite, and in the third step, the ceramsite is dried for 48 hours in a natural environment.
3. The method for enhancing the surface of ceramsite according to claim 1, wherein the solution for treating the surface of the ceramsite in the first step is ethyl silicate, the solution for treating the surface of the ceramsite in the second step is sprayed on the surface of the ceramsite, and the ceramsite after the treatment in the third step is dried in a natural environment for 48 hours.
4. The method for enhancing the surface of ceramsite according to claim 1, wherein in the first step, the solution for treating the surface of ceramsite is silane, in the second step, the ceramsite is immersed in the solution for treating the surface of ceramsite for 1 hour, and in the third step, the ceramsite after being treated is dried in a natural environment for 48 hours.
5. The method for enhancing the surface of ceramsite as claimed in claim 1, wherein the solution for surface treatment of ceramsite in the first step is ethyl silicate, the ceramsite is immersed in the solution for surface treatment of ceramsite for 1 hour in the second step, and the ceramsite after treatment is dried in the third step for 48 hours in a natural environment.
6. A method for enhancing the surface of ceramsite according to claim 1, wherein the solution for surface treatment of ceramsite in the first step is ethyl silicate diluted by 10 times, the ceramsite is immersed in the solution for surface treatment of ceramsite for 1 hour in the second step, and the ceramsite after treatment is dried in the third step for 48 hours in the natural environment.
7. The method for enhancing the surface of ceramsite according to claim 1, wherein in the first step, the surface treatment solution for ceramsite is 100 times diluted ethyl silicate, in the second step, the ceramsite is immersed in the surface treatment solution for 1 hour, and in the third step, the treated ceramsite is dried in a natural environment for 48 hours.
8. The surface-reinforced ceramsite for concrete is prepared by the surface-reinforcing method for the ceramsite for concrete according to any one of claims 1 to 7, and is characterized in that the nominal particle size of the ceramsite is 10-20 mm, the cylinder pressure strength of the ceramsite is greater than or equal to 12.3 MPa, the bulk density of the ceramsite is greater than or equal to 922 kg/cubic meter, the water absorption of the ceramsite is less than or equal to 1.78% in half an hour, the water absorption of the ceramsite is less than or equal to 1.88% in 1 hour, and the water absorption of the ceramsite is less than or equal to 1.88% in 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512290.4A CN114133156A (en) | 2021-12-07 | 2021-12-07 | Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512290.4A CN114133156A (en) | 2021-12-07 | 2021-12-07 | Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114133156A true CN114133156A (en) | 2022-03-04 |
Family
ID=80386187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111512290.4A Pending CN114133156A (en) | 2021-12-07 | 2021-12-07 | Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114133156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283160A (en) * | 2023-05-17 | 2023-06-23 | 潍坊交安公路工程有限公司 | Preparation method of light high-strength concrete |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10139506A (en) * | 1996-10-31 | 1998-05-26 | Ohbayashi Corp | Method for reforming regenerated coarse aggregate |
| US20190210918A1 (en) * | 2016-06-30 | 2019-07-11 | Imertech Sas | Hydrophobic construction material |
| CN110304876A (en) * | 2019-06-17 | 2019-10-08 | 三峡大学 | A kind of complete gently haydite concrete and preparation method thereof |
| CN111960704A (en) * | 2020-06-18 | 2020-11-20 | 扬州大学 | Recycled aggregate chemical treatment reagent and preparation method thereof |
| CN112876117A (en) * | 2021-02-01 | 2021-06-01 | 山东大学 | Surface modification method for recycled fine aggregate of construction waste, concrete and application |
| CN113135715A (en) * | 2021-05-18 | 2021-07-20 | 中国水利水电科学研究院 | Light inorganic material, preparation method and application thereof |
-
2021
- 2021-12-07 CN CN202111512290.4A patent/CN114133156A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10139506A (en) * | 1996-10-31 | 1998-05-26 | Ohbayashi Corp | Method for reforming regenerated coarse aggregate |
| US20190210918A1 (en) * | 2016-06-30 | 2019-07-11 | Imertech Sas | Hydrophobic construction material |
| CN110304876A (en) * | 2019-06-17 | 2019-10-08 | 三峡大学 | A kind of complete gently haydite concrete and preparation method thereof |
| CN111960704A (en) * | 2020-06-18 | 2020-11-20 | 扬州大学 | Recycled aggregate chemical treatment reagent and preparation method thereof |
| CN112876117A (en) * | 2021-02-01 | 2021-06-01 | 山东大学 | Surface modification method for recycled fine aggregate of construction waste, concrete and application |
| CN113135715A (en) * | 2021-05-18 | 2021-07-20 | 中国水利水电科学研究院 | Light inorganic material, preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 广西壮族自治区文化厅: "《左江花山岩画研究报告集 下册》", 31 December 2015, 广西科学技术出版社 * |
| 方小牛 等: "《生土类建筑保护技术与策略》", 31 January 2018, 同济大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283160A (en) * | 2023-05-17 | 2023-06-23 | 潍坊交安公路工程有限公司 | Preparation method of light high-strength concrete |
| CN116283160B (en) * | 2023-05-17 | 2023-09-01 | 潍坊交安公路工程有限公司 | Preparation method of light high-strength concrete |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110845212B (en) | Seepage erosion resistant concrete and preparation method thereof | |
| CN114436601B (en) | Recycled aggregate self-compacting concrete and preparation method thereof | |
| CN105084833B (en) | High-strength insulation full lightweight concrete and its preparation method and application | |
| CN109503078B (en) | Preparation method of fair-faced concrete | |
| CN114409435A (en) | Ceramsite surface modified lightweight concrete and preparation method thereof | |
| CN111635252A (en) | High-strength light-weight heat-insulating concrete and preparation method thereof | |
| CN114133156A (en) | Ceramsite surface reinforcing method for concrete and surface-reinforced ceramsite | |
| CN108178609B (en) | Sea sand coating slurry capable of curing chloride ions and reinforcing method | |
| Wu et al. | Effect of surface treatment of apricot shell on the performance of lightweight bio-concrete | |
| CN110218049A (en) | Clear-water concrete | |
| CN115073107B (en) | Impact-resistant corrosion-resistant environment-friendly mortar and preparation method thereof | |
| CN111116119A (en) | Green high-strength high-toughness concrete formula | |
| CN103755185B (en) | A kind of method of organic polymer particles modification | |
| CN113173764A (en) | High-strength anti-cracking concrete and preparation process thereof | |
| CN112851166A (en) | Method for preparing high-strength baking-free ceramsite by adopting mine stripping soil | |
| CN101823863B (en) | Mortar for decorating external wall | |
| CN107010864B (en) | Concrete water slow-release agent and preparation method and use method thereof | |
| CN110590306A (en) | Autoclaved aerated concrete slab prepared from desert sand and preparation method thereof | |
| CN108840713A (en) | A kind of composite sound-absorbing material | |
| CN115677300A (en) | High-strength environment-friendly concrete and preparation method thereof | |
| CN112125620B (en) | Aerated concrete block with sanding powder as raw material and preparation method thereof | |
| KR20120108684A (en) | Water-soluble composite for strengthening and protecting the outer layer of concrete block, manufacturing method of concrete block, and method for strengthing the outer layer of concrete block using the composite | |
| CN109081667A (en) | A kind of composite sound-absorbing material | |
| CN107502074B (en) | Concrete curing agent containing modified pineapple fibrilia and preparation method and application thereof | |
| CN112694274B (en) | Internal curing material suitable for light high-strength high-ductility cement-based cementing composite material and pretreatment method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220304 |