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CN-121976498-A - Recycled concrete slope protection brick and manufacturing method thereof

CN121976498ACN 121976498 ACN121976498 ACN 121976498ACN-121976498-A

Abstract

The invention discloses a recycled concrete slope protection brick, which belongs to the technical field of slope protection bricks and comprises a brick body, wherein the brick body is formed by pressing and curing recycled concrete raw materials, a permeable planting structure is integrally formed on the brick body, the permeable planting structure comprises a first planting cavity and a second planting cavity, a vegetation card is poured on one inner wall of the permeable planting structure, a yielding groove is formed in the lower surface of the brick body corresponding to the vegetation card, the lower end of the vegetation card extends into the yielding groove, and the inner wall of the permeable planting structure opposite to the vegetation card is designed into a downward concave inclined surface structure. The invention adopts the regenerated coarse aggregate and the regenerated fine aggregate prepared by crushing and screening the construction waste as main raw materials, can consume a large amount of solid waste of the construction, reduce the exploitation of natural sand and stone, reduce the energy consumption and the environmental pollution, integrate a large-volume permeable vegetation structure in the brick body, realize rapid infiltration of rainwater, pre-embed elastic vegetation cards in the brick body, automatically and elastically clamp the vegetation when the vegetation is planted, and prevent the vegetation from being washed and fallen by rainwater or water flow.

Inventors

  • LIANG WEIDONG

Assignees

  • 安徽维东建材股份有限公司

Dates

Publication Date
20260505
Application Date
20260310

Claims (10)

  1. 1. The regenerated concrete slope protection brick comprises a brick body (100), and is characterized in that the brick body (100) is formed by pressing, solidifying and molding a regenerated concrete raw material; The recycled concrete comprises the following raw materials in parts by weight: 15-30 parts of cement; 30-60 parts of recycled coarse aggregate; 20-45 parts of recycled fine aggregate; 3-8 parts of silica fume; 0.3-1.2 parts of water reducer; 8-16 parts of water; The brick body (100) integrated into one piece has the structure of planting of permeating water, the structure of planting of permeating water contains first planting chamber (101) and second planting chamber (102), and has pour vegetation card (107) on one of them inner wall of structure of planting of permeating water, and the lower surface of the brick body (100) corresponds vegetation card (107) department and has seted up groove (106) of stepping down, and vegetation card (107) lower extreme stretches into in groove (106) of stepping down, the inclined plane structure of indent is designed into to the inner wall that the structure of planting of permeating water is relative with vegetation card (107).
  2. 2. The recycled concrete slope protection brick of claim 1, wherein the brick body (100) is integrally formed with a linkage structure, the linkage structure comprises an embedded part (103), a protruding part (104) and a jogged part (105), the embedded part (103) is a groove structure on one side of the brick body (100), the jogged part (105) is a tenon structure which is in clearance fit with the embedded part (103) on the other side of the brick body (100), and the protruding part (104) is in fit and clamping with a abdicating groove (106) of an adjacent brick body, so that the longitudinal and transverse bidirectional interlocking positioning of the brick body (100) is realized.
  3. 3. The recycled concrete slope protection brick of claim 1, wherein the vegetation cards (107) are of elastic metal structures, the vegetation cards (107) are extruded to generate elastic deformation when the vegetation cards or turf are plugged into the planting cavity, the lower sections of the vegetation cards are embedded into the yielding grooves (106) to form yielding, and the vegetation cards (107) after being reset extrude and fix the vegetation in the planting cavity.
  4. 4. The recycled concrete slope protection brick of claim 1, wherein the brick body (100) is provided with water permeable holes penetrating in the thickness direction on two sides, the water permeable holes are communicated with the first planting cavity (101) and the second planting cavity (102), the water permeable holes are oblique holes, and the hole walls are provided with rough surfaces.
  5. 5. The recycled concrete slope protection brick of claim 1, wherein the total volume of the first planting cavity (101) and the second planting cavity (102) is 45% -50% of the total volume of the brick body (100).
  6. 6. The recycled concrete slope protection brick according to claim 1, wherein the recycled coarse aggregate is obtained by crushing and screening construction waste, the particle size is 5-20 mm, the particle size of the recycled fine aggregate is 0.15-5 mm, and the total substitution rate of the recycled coarse aggregate and the fine aggregate is more than or equal to 60%.
  7. 7. A method for manufacturing the recycled concrete slope protection brick according to any one of claims 1 to 6, comprising the following steps: s1, treating construction waste to prepare regenerated coarse and fine aggregates and drying the coarse and fine aggregates for later use; S2, weighing the raw materials in parts by weight, and uniformly dry-mixing; s3, adding a measured amount of water, and carrying out wet mixing to obtain a concrete mixture; S4, pre-fixing the vegetation card (107) in a mold, injecting a mixture, vibrating and pressurizing to form; s5, demoulding and standard maintenance are carried out, and the recycled concrete slope protection brick is prepared.
  8. 8. The method for manufacturing the recycled concrete slope protection brick according to claim 7, wherein the dry mixing time in S2 is 60-120S, the wet mixing time in S3 is 90-180S, and the slump of the prepared concrete mixture is controlled to be 30-70 mm.
  9. 9. The method for manufacturing the recycled concrete slope protection brick according to claim 7, wherein the mold in the S4 is provided with cavities matched with the embedded part (103), the protruding part (104), the tenon joint part (105), the first planting cavity (101), the second planting cavity (102) and the abdication groove (106), and the technological parameters of vibration pressurization are that the molding pressure is 15-30 MPa, the vibration frequency is 50-60 Hz, and the dwell time is 10-30S.
  10. 10. The method for manufacturing the recycled concrete slope protection brick according to claim 7, wherein the standard curing system in the step S5 is that the green body is demolded after standing at room temperature for 24 hours, and the green body is cured for more than or equal to 7d by sprinkling water at room temperature after demolding, or is cured for 4-8 hours by steam.

Description

Recycled concrete slope protection brick and manufacturing method thereof Technical Field The invention belongs to the technical field of slope protection bricks, and particularly relates to a recycled concrete slope protection brick and a manufacturing method thereof. Background The slope ecological protection is an important technical field in roads, water conservancy and municipal engineering, and the construction waste is utilized to prepare the regenerated concrete slope protection brick, so that the utilization of solid waste resources can be effectively realized, and the economic and environmental benefits are remarkable. In the prior art, CN105693151A discloses a sea sand recycled concrete slope protection brick, and a slope protection brick body is prepared by adopting recycled aggregate and sea sand, so that the application of the recycled aggregate is realized to a certain extent. However, the conventional recycled concrete slope protection brick has the common problems of low recycled aggregate utilization rate, difficult realization of long-term slope protection requirements of brick compactness, strength and anti-scouring performance, simple vegetation structure, lack of reliable vegetation fixing and water retaining structures, low vegetation survival rate, simple lap joint between the brick bodies, poor overall stability, easy occurrence of slippage and collapse, poor suitability of functional structures and production processes, and high construction and maintenance cost. Therefore, it is necessary to provide a recycled concrete slope protection brick with high recycled concrete utilization rate, stable structure, good ecological planting effect and convenient construction and a manufacturing method thereof, so as to solve the defects in the prior art. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. In order to solve the problems set forth in the background art, the present invention adopts the following technical scheme. The regenerated concrete slope protection brick comprises a brick body, wherein the brick body is formed by pressing, solidifying and molding a regenerated concrete raw material; the recycled concrete comprises the following raw materials in parts by weight: 15-30 parts of cement; 30-60 parts of recycled coarse aggregate; 20-45 parts of recycled fine aggregate; 3-8 parts of silica fume; 0.3-1.2 parts of water reducer; 8-16 parts of water; The brick body integrated into one piece has the plant structure that permeates water, and the plant structure that permeates water contains first planting chamber and second planting chamber, and has pour the vegetation card on one of them inner wall of plant structure that permeates water, and the lower surface of the brick body corresponds vegetation card department and has seted up the groove of stepping down, and the vegetation card lower extreme stretches into to the inslot of stepping down, and the inclined plane structure of indent is designed into to the inner wall that permeates water plant structure and vegetation card are relative. Preferably, the brick body integrated into one piece has interlocking structure, and interlocking structure includes gomphosis portion, bellying and tenon portion, and gomphosis portion is the groove structure of brick body one side, and tenon portion is brick body opposite side and gomphosis portion clearance fit's tenon structure, and bellying and adjacent brick body's the groove adaptation block of stepping down realize the horizontal and vertical two-way interlocking location of brick body. Preferably, the vegetation card is of an elastic metal structure, the vegetation card is extruded to generate elastic deformation when the revegetation or turf is plugged into the planting cavity, the lower section of the vegetation card is embedded into the yielding groove to yield, and the revegetation card after being reset is extruded to fix the revegetation in the planting cavity. Preferably, the brick body both sides are offered along the permeable hole that the thickness direction link up, and permeable hole is linked together with first planting chamber, second planting chamber, and permeable hole is the slant hole, and the pore wall is equipped with the roughness. Preferably, the total volume of the first planting cavity and the second planting cavity accounts for 45% -50% of the total volume of the brick body. Preferably, the recycled coarse aggregate is obtained by crushing and screening construction waste, the particle size is 5-20 mm, the particle size of the recycled fine aggregate is 0.15-5 mm, and the total substitution rate of the recycled coarse aggregate and the fine aggregat