CN113502707A - High-compressive-strength recycled concrete brick and preparation method thereof - Google Patents
High-compressive-strength recycled concrete brick and preparation method thereof Download PDFInfo
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- CN113502707A CN113502707A CN202110622648.2A CN202110622648A CN113502707A CN 113502707 A CN113502707 A CN 113502707A CN 202110622648 A CN202110622648 A CN 202110622648A CN 113502707 A CN113502707 A CN 113502707A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/003—Pavings made of prefabricated single units characterised by material or composition used for beds or joints; characterised by the way of laying
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Road Paving Structures (AREA)
Abstract
本发明公开了一种高抗压强度的再生混凝土砖及其制备方法，包括再生混凝土砖本体，所述再生混凝土砖本体的整体呈长方体状结构，且再生混凝土砖本体的左右两端内部均设置有通孔；排水孔，所述排水孔设置在再生混凝土砖本体的内部中间；防滑块，所述防滑块位于再生混凝土砖本体的下端表面，所述再生混凝土砖本体的上表面呈向内凹陷结构。使用该制备方法制备出的再生混凝土砖，具有很好的抗压性能，可很好的平衡竖向的荷载，延长使用寿命；另外，上表面具有一定的坡度，并且在中间均匀设置有排水孔，能够实现积水的排放，防止再生混凝土砖长期浸泡水中而损坏；在再生混凝土砖的下方设置有防滑块，在施工时，起到防滑的作用，更加方便使用。
The invention discloses a recycled concrete brick with high compressive strength and a preparation method thereof, comprising a recycled concrete brick body, the whole of the recycled concrete brick body is a rectangular parallelepiped structure, and the left and right ends of the recycled concrete brick body are arranged inside There are through holes; drainage holes, which are arranged in the inner middle of the recycled concrete brick body; anti-skid blocks, the anti-skid blocks are located on the lower end surface of the recycled concrete brick body, and the upper surface of the recycled concrete brick body is inwardly recessed structure. The recycled concrete brick prepared by using the preparation method has good compressive performance, can well balance the vertical load and prolong the service life; in addition, the upper surface has a certain slope, and drainage holes are evenly arranged in the middle. , It can realize the discharge of accumulated water and prevent the recycled concrete bricks from being damaged by soaking in water for a long time; a non-slip block is arranged under the recycled concrete bricks, which plays an anti-slip effect during construction and is more convenient to use.
Description
Technical Field
The invention relates to the technical field of recycled concrete, in particular to a recycled concrete brick with high compressive strength and a preparation method thereof.
Background
The recycled concrete is concrete prepared by utilizing waste building materials, and more building components can be prepared by utilizing the recycled concrete, such as bricks, building blocks, pillars and the like by utilizing the recycled concrete, so that raw materials are saved, the environment is protected, the existence of building wastes is reduced, and the environment is protected.
Among them, the recycled concrete brick is the most common recycled concrete utilization method, but the existing recycled concrete brick and the preparation method still have certain defects, such as:
the authorization notice number is: CN107572959B, the date of authorized announcement is: 2020.10.27, the invention discloses a photocatalytic recycled concrete brick and a preparation method thereof. The concrete brick comprises a base layer and an absorption layer; the base layer comprises the following components: cement, fly ash, recycled aggregate, waste toughened glass aggregate, river sand and water; the base layer also comprises silicon powder and a water reducing agent, wherein the mass of the silicon powder is 10% of that of the cementing material consisting of cement and fly ash, and the mass of the water reducing agent is 1% of that of the cementing material consisting of cement and fly ash; the absorbent layer comprises the following components: cement, fly ash, titanium dioxide, recycled aggregate, acrylic aggregate, river sand and water. The invention utilizes the waste building waste materials to regenerate and replace natural aggregates, which makes a contribution to the protection of ecological environment, the mechanical strength of the obtained regenerated brick can meet the use requirement, and the photocatalytic performance absorbs harmful substances in the air, so that people can have better air environment.
However, in the above prior art, the produced recycled concrete brick has low compressive strength, and the produced recycled concrete brick is not beneficial to drainage and use, so we propose a recycled concrete brick with high compressive strength and a preparation method thereof, so as to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a high-compressive-strength recycled concrete brick and a preparation method thereof, and aims to solve the problems that the recycled concrete brick prepared by the preparation method provided by the background art is low in compressive strength and not beneficial to drainage and use.
In order to achieve the purpose, the invention provides the following technical scheme: a high compressive strength recycled concrete brick and a preparation method thereof, comprising the following steps:
the recycled concrete brick comprises a recycled concrete brick body, wherein the whole recycled concrete brick body is of a cuboid structure, and through holes are formed in the left end and the right end of the recycled concrete brick body;
the drain hole is arranged in the middle of the interior of the recycled concrete brick body;
and the anti-slip blocks are positioned on the lower end surface of the recycled concrete brick body.
Preferably, the upper surface of the recycled concrete brick body is of an inward concave structure, namely the height of the edge of the recycled concrete brick body is larger than the height of the middle of the recycled concrete brick body.
Preferably, the through-hole runs through the setting at the fore-and-aft direction of regeneration concrete brick body, and the whole of through-hole is triangular prism column structure to the through-hole longitudinal symmetry sets up to a set of, and every group through-hole equidistant setting in the inside of regeneration concrete brick body.
Preferably, the drainage holes penetrate through the recycled concrete brick body in the vertical direction, and are uniformly distributed in the middle of the recycled concrete brick body.
Preferably, the longitudinal section of each anti-skid block is trapezoidal, the lower surfaces of the left end and the right end of each anti-skid block are uniformly arranged on the recycled concrete brick body, and the anti-skid blocks and the recycled concrete brick body are of an integrated structure.
Preferably, the recycled concrete brick body is made of recycled aggregate, wherein the recycled aggregate is mainly made of concrete material.
A preparation method of a recycled concrete brick with high compressive strength comprises the following steps:
the method comprises the following steps: aggregate pretreatment;
step two: mixing the materials;
step three: and preparing a recycled concrete brick body.
Preferably, the aggregate pretreatment in the first step is to crush the concrete blocks by a crusher, and then to screen the crushed concrete particles, and to ensure that the particle size of the crushed aggregate particles is less than 5 mm.
Preferably, the mixed material in the second step specifically means: and (3) uniformly stirring the aggregate particles, the cement, the sand and the crushed stone in the step one in a stirrer, then adding water mixed with the solvent water reducing agent, and continuously stirring at a low speed until the materials are uniformly mixed.
Preferably, the preparation of the recycled concrete brick body in the third step comprises the following steps:
step a: pouring the mixed materials in the step two into a mould;
step b: c, demolding after the recycled concrete brick body in the step a is molded;
step c: and curing the demoulded recycled concrete brick body.
Compared with the prior art, the invention has the beneficial effects that:
1. the recycled concrete brick prepared by the preparation method is internally provided with the triangular prism-shaped through hole, so that the recycled concrete brick has good compression resistance while the self gravity is reduced, the vertical load can be well balanced, and the service life is prolonged;
2. the upper surface of the recycled concrete brick prepared by the preparation method has a certain gradient, and the middle of the recycled concrete brick is uniformly provided with the drain holes, so that accumulated water can be discharged, and the recycled concrete brick is prevented from being damaged due to long-term soaking in water;
3. the anti-slip blocks are arranged below the recycled concrete bricks, so that the lower surfaces of the recycled concrete bricks can be in good contact with the ground during construction, the anti-slip effect is achieved, and the use is more convenient.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the recycled concrete block body according to the present invention;
FIG. 2 is a schematic view of the overall structure of the recycled concrete block body according to the present invention;
FIG. 3 is a flow chart illustrating the steps of the present invention.
In the figure: 1. a recycled concrete brick body; 2. a through hole; 3. a drain hole; 4. and (4) anti-skid blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high compressive strength recycled concrete brick and a preparation method thereof, comprising a recycled concrete brick body 1, wherein the whole recycled concrete brick body 1 is of a cuboid structure, and through holes 2 are arranged inside the left end and the right end of the recycled concrete brick body 1; the drain hole 3 is arranged in the middle of the inner part of the recycled concrete brick body 1; and the anti-slip blocks 4 are positioned on the lower end surface of the recycled concrete brick body 1.
Furthermore, the upper surface of the recycled concrete brick body 1 is of an inward concave structure, namely the height dimension of the edge of the recycled concrete brick body 1 is larger than the middle height dimension of the recycled concrete brick body 1; can make the water of 1 upper end edges of recycled concrete brick body flow to the centre of 1 of recycled concrete brick body gradually to finally discharge ground through the wash port 3 of 1 inside of recycled concrete brick body, prevent that ponding from remaining on 1 of recycled concrete brick body for a long time.
Furthermore, the through holes 2 penetrate through the recycled concrete brick body 1 in the front-back direction, the whole of the through holes 2 is in a triangular prism structure, the through holes 2 are symmetrically arranged in a group up and down, and the through holes 2 in each group are arranged in the recycled concrete brick body 1 at equal intervals; wholly be the through-hole 2 of triangular prism shape, can reduce the holistic dead weight of regeneration concrete brick body 1 to the shape of through-hole 2 sets up stability stronger, can strengthen the holistic compressive capacity of regeneration concrete brick body 1.
Furthermore, the drain holes 3 are arranged in the vertical direction of the recycled concrete brick body 1 in a penetrating manner, and the drain holes 3 are uniformly distributed in the middle of the recycled concrete brick body 1; the design of the drain holes 3 is helpful for improving the whole drainage performance of the recycled concrete brick body 1.
Furthermore, the longitudinal section of the anti-skid block 4 is trapezoidal, the anti-skid blocks 4 are uniformly arranged on the lower surfaces of the left end and the right end of the recycled concrete brick body 1, and the anti-skid blocks 4 and the recycled concrete brick body 1 are of an integrated structure; the design of non-slip blocks 4 can make non-slip blocks 4 more firm in contact with ground or bottom materials in the laying process, so that recycled concrete brick body 1 is more stably installed.
Furthermore, the recycled concrete brick body 1 is made of recycled aggregate, wherein the recycled aggregate is mainly made of concrete; effectively utilizes the waste construction waste and is beneficial to the treatment of the construction waste.
Example (b):
when the recycled concrete brick body 1 is produced, firstly, waste concrete blocks are crushed in a mechanical crushing mode, then crushed concrete particles are sieved by a screen, and the particle size of the crushed aggregate particles is ensured to be less than 5 mm;
then mixing and stirring cement, sand, broken stone and crushed concrete particles according to a certain proportion, ensuring the rotating speed to be 50-60r/min, then adding water mixed with a solvent water reducing agent into the stirrer while stirring, and continuously stirring at a low speed until the materials are uniformly mixed;
and (3) adding the stirred materials into a mould in sequence, removing bubbles in the mould in a vibrating mode, taking out the recycled concrete brick body 1 after forming, and curing the recycled concrete brick body 1 for 4 hours to prepare the recycled concrete brick body 1.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A recycled concrete brick with high compressive strength is characterized by comprising:
the recycled concrete brick comprises a recycled concrete brick body (1), wherein the whole recycled concrete brick body (1) is of a cuboid structure, and through holes (2) are formed in the left end and the right end of the recycled concrete brick body (1);
the drainage hole (3) is formed in the middle of the inner part of the recycled concrete brick body (1);
and the anti-slip blocks (4) are positioned on the lower end surface of the recycled concrete brick body (1).
2. The recycled concrete brick with high compressive strength as claimed in claim 1, wherein: the upper surface of the recycled concrete brick body (1) is of an inward concave structure, namely the height of the edge of the recycled concrete brick body (1) is larger than the height of the middle of the recycled concrete brick body (1).
3. The recycled concrete brick with high compressive strength as claimed in claim 1, wherein: through-hole (2) run through the setting in the fore-and-aft direction of regeneration concrete brick body (1), and the whole of through-hole (2) is triangular prism column structure to through-hole (2) longitudinal symmetry sets up to a set of, and every through-hole of group (2) equidistant setting in the inside of regeneration concrete brick body (1).
4. The recycled concrete brick with high compressive strength as claimed in claim 1, wherein: the drain holes (3) penetrate through the recycled concrete brick body (1) in the vertical direction, and the drain holes (3) are uniformly distributed in the middle of the recycled concrete brick body (1).
5. The recycled concrete brick with high compressive strength as claimed in claim 1, wherein: the longitudinal section of the anti-skid blocks (4) is trapezoidal, the lower surfaces of the left end and the right end of the recycled concrete brick body (1) of the anti-skid blocks (4) are uniformly arranged, and the anti-skid blocks (4) and the recycled concrete brick body (1) are of an integrated structure.
6. The recycled concrete brick with high compressive strength as claimed in claim 1, wherein: the recycled concrete brick body (1) is made of recycled aggregate, wherein the recycled aggregate is mainly made of concrete material.
7. A preparation method of a recycled concrete brick with high compressive strength is characterized by comprising the following steps: the preparation method of the recycled concrete brick comprises the following steps:
the method comprises the following steps: aggregate pretreatment;
step two: mixing the materials;
step three: preparing a recycled concrete brick body (1).
8. The method for preparing recycled concrete bricks with high compressive strength according to claim 7, wherein the method comprises the following steps: the aggregate pretreatment in the first step is to crush concrete blocks by a crusher, then sieve crushed concrete particles and ensure that the particle size of the crushed aggregate particles is less than 5 mm.
9. The method for preparing recycled concrete bricks with high compressive strength according to claim 7, wherein the method comprises the following steps: the mixed material in the second step specifically comprises the following steps: and (3) uniformly stirring the aggregate particles, the cement, the sand and the crushed stone in the step one in a stirrer, then adding water mixed with the solvent water reducing agent, and continuously stirring at a low speed until the materials are uniformly mixed.
10. The method for preparing recycled concrete bricks with high compressive strength according to claim 7, wherein the method comprises the following steps: the preparation of the recycled concrete brick body (1) in the third step comprises the following steps:
step a: pouring the mixed materials in the step two into a mould;
step b: c, demolding after the recycled concrete brick body (1) in the step a is molded;
step c: and curing the demoulded recycled concrete brick body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110622648.2A CN113502707A (en) | 2021-06-04 | 2021-06-04 | High-compressive-strength recycled concrete brick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110622648.2A CN113502707A (en) | 2021-06-04 | 2021-06-04 | High-compressive-strength recycled concrete brick and preparation method thereof |
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| CN111691597A (en) * | 2020-07-21 | 2020-09-22 | 清远市榕兴新型环保建材有限责任公司 | High-drainage environment-friendly brick |
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2021
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| CN203256560U (en) * | 2013-05-16 | 2013-10-30 | 龙国州 | Hollow floor tile |
| CN105781004A (en) * | 2016-02-24 | 2016-07-20 | 张日龙 | Building hollow brick |
| CN205501753U (en) * | 2016-03-29 | 2016-08-24 | 任东辉 | Municipal paving brick of improvement structure |
| CN205822557U (en) * | 2016-05-25 | 2016-12-21 | 新昌县森尼雅卫浴洁具有限公司 | A kind of practical environmental protection brick |
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Application publication date: 20211015 |