Building solid waste reclaimed material roadbed filler and construction method

Abstract

The invention relates to a building solid waste reclaimed material roadbed filler and a construction method. The building solid waste reclaimed material roadbed filler comprises the following raw materials in percentage by mass: 23.3% of concrete blocks, 30.8% of bricks, 13.0% of dry hard mortar blocks, 5.2% of soil blocks and 27.7% of solid waste particles. According to the construction method, building solid waste is used for preparing the solid waste reclaimed material roadbed filler with good dry density, bearing capacity and compaction performance, the construction method suitable for the roadbed filler is provided, resource utilization of the building solid waste can be achieved, building materials are saved, and meanwhile the negative influence of solid waste treatment on the environment is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of building materials, and particularly relates to a roadbed filler made from recycled construction waste and a construction method therefor. Background Art

[0002] Construction waste is the main type of solid waste generated during urban construction and renovation. The disposal method of solid waste is related to the green development and sustainability of urban construction. Generally, the disposal method of construction waste is as follows: steel, metal pipelines, etc. with recycling value are recycled, and concrete, brick slag, blocks, etc. with low or no recycling value are landfilled. This disposal method not only causes waste of resources, but also has a large environmental impact during the disposal process.

[0003] Therefore, in view of the foregoing problems, how to provide a roadbed filler made from recycled construction waste and a construction method therefor is a technical problem that those skilled in the art urgently need to solve. Summary of the Invention

[0004] The present invention provides a roadbed filler made from recycled construction waste and a construction method therefor, which can utilize construction waste to prepare a roadbed filler made from recycled waste with good dry density, bearing capacity and compaction performance, and proposes a construction method suitable for this roadbed filler, which can realize the resource utilization of construction waste, save building materials, and at the same time reduce the negative impact of solid waste disposal on the environment.

[0005] To solve the above technical problems, the present invention includes the following technical solutions:

[0006] A roadbed filler made from recycled construction waste, comprising the following raw materials: concrete blocks, bricks, dry hard mortar blocks, soil blocks and solid waste particles, and the mass percentages of each component are as follows:

[0007] Concrete blocks 23.3%, bricks 30.8%, dry hard mortar blocks 13.0%, soil blocks 5.2%, solid waste particles 27.7%.

[0008] Further, the particle size of the solid waste particles is less than or equal to 13.2 mm.

[0009] Further, the water content of the recycled waste is 6.59%.

[0010] A construction method for a roadbed filler made from recycled construction waste, comprising the following steps:

[0011] Step S1: Produce a roadbed filler made from recycled construction waste, and spread the roadbed filler made from recycled construction waste at the target position to form a spread material;

[0012] Step S2: Level the spread material;

[0013] Step S3: Use a roller to statically compact the paving material twice, and then vibrate and compact it five times.

[0014] Step S4: Continue to pave the subgrade filler and repeat the above construction steps until the design elevation is reached.

[0015] Furthermore, the paving thickness of each layer of the paving material is 60 cm each time.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are as follows:

[0017] The building waste recycled material subgrade filler and construction method of the present invention include the following raw materials: concrete blocks, bricks, dry hard mortar blocks, soil blocks and solid waste particles. The mass percentages of each component are as follows: concrete blocks 23.3%, bricks 30.8%, dry hard mortar blocks 13.0%, soil blocks 5.2%, and solid waste particles 27.7%. Using building waste to produce a subgrade filler with good density, bearing capacity and compaction performance. At the same time, in view of the characteristics of this building waste recycled material subgrade filler, the present application proposes an adaptable subgrade construction method, achieving the following innovations:

[0018] First, it proposes the types of solid waste used in the preparation of the solid waste recycled material subgrade filler and the mass ratio of each type of solid waste.

[0019] Second, it provides the optimal moisture content of the solid waste recycled material subgrade filler to ensure its compaction performance.

[0020] Third, according to the characteristics of the solid waste recycled material subgrade filler of the present application, it proposes a subgrade construction method, including the paving thickness, compaction method and compaction times of each layer of the subgrade filler, ensuring the construction quality of the solid waste recycled material subgrade filler. Specific Embodiments

[0021] The following further details the building waste recycled material subgrade filler and construction method proposed by the present invention in combination with specific embodiments. According to the following description, the advantages and features of the present invention will be clearer.

[0022] Example:

[0023] A building waste recycled material subgrade filler includes the following raw materials: concrete blocks, bricks, dry hard mortar blocks, soil blocks and solid waste particles. The mass percentages of each component are as follows:

[0024] Concrete blocks 23.3%, bricks 30.8%, dry hard mortar blocks 13.0%, soil blocks 5.2%, and solid waste particles 27.7%.

[0025] Specifically, the roadbed filler prepared by mixing construction waste recycled materials has good dry density, bearing capacity and compaction performance, and can be used as roadbed filler. While saving building materials, it realizes the resource utilization of solid waste, reduces the environmental impact of solid waste landfill, etc., and is conducive to the sustainable development of the city.

[0026] In this embodiment, more preferably, the particle size of the solid waste particles is less than or equal to 13.2 mm.

[0027] In this embodiment, more preferably, the water content of the construction waste recycled material is 6.59%. This water content is obtained through a compaction test, and the compaction test is carried out as follows: Hammer the known roadbed filler of construction waste recycled material with different water contents. The drop height of the hammer, the number of hammer blows, etc. should meet the requirements of the compaction test. After the test is completed, measure the dry density of the roadbed filler of the construction waste recycled material after being hammered. And fit the test results into the compaction curve of the roadbed filler of the construction waste recycled material. According to the fitted curve, obtain the optimum water content of the roadbed filler of the construction waste recycled material.

[0028] In this embodiment, a construction method for the roadbed filler of construction waste recycled material is also provided, including the following steps:

[0029] Step S1: Produce the roadbed filler of construction waste recycled material, and spread the roadbed filler of construction waste recycled material at the target position to form a spread material;

[0030] Step S2: Level the spread material;

[0031] Step S3: Use a roller to statically press the spread material 2 times, and then vibrator press it 5 times;

[0032] Step S4: Continue to spread the roadbed filler and repeat the above construction steps until the design elevation is reached.

[0033] In this embodiment, more preferably, the paving thickness of each layer of the spread material is 60 cm each time.

[0034] The roadbed filler of construction waste recycled material and the construction method of the present invention include the following raw materials: concrete blocks, bricks, dry hard mortar blocks, soil blocks and solid waste particles. The mass percentages of each component are as follows: concrete blocks 23.3%, bricks 30.8%, dry hard mortar blocks 13.0%, soil blocks 5.2%, solid waste particles 27.7%. Using construction waste to produce a roadbed filler with good density, bearing capacity and compaction performance. At the same time, in view of the characteristics of this roadbed filler of construction waste recycled material, this application proposes an adaptable roadbed construction method, realizing the following innovations:

[0035] First, it proposes the types of solid waste used in the preparation of the roadbed filler of construction waste recycled material and the mass ratio of each type of solid waste;

[0036] Second, the optimal moisture content of the roadbed filler made of solid waste recycled materials is provided to ensure its compaction performance;

[0037] Third, according to the characteristics of the roadbed filler made of solid waste recycled materials in this application, a construction method for the roadbed is proposed, including the paving thickness, compaction method and compaction times of each layer of the roadbed filler, ensuring the construction quality of the roadbed filler made of solid waste recycled materials.

[0038] The above examples are the preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples. The above-described embodiments only represent several embodiments of the present invention, and their descriptions are relatively specific and detailed, but they cannot be construed as limiting the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims

1. A roadbed filler made from recycled construction waste, characterized in that, It includes the following raw materials: concrete blocks, bricks, dry-hard mortar blocks, soil blocks and solid waste particles, and the mass percentages of each component are as follows: Concrete blocks 23.3%, bricks 30.8%, dry-hard mortar blocks 13.0%, soil blocks 5.2%, solid waste particles 27.7%.

2. The roadbed filler made from construction waste recycled materials according to claim 1, characterized in that, The particle size of the solid waste particles is less than or equal to 13.2 mm.

3. The roadbed filler made of recycled construction waste according to claim 1, characterized in that, The water content of the solid waste recycled material is 6.59%.

4. A construction method of a roadbed filler made of recycled construction waste according to any one of claims 1 to 3, characterized in that, It includes the following steps: Step S1: Produce the subgrade filler of the solid waste recycled material, spread the subgrade filler of the solid waste recycled material at the target position to form a spread material; Step S2: Level the spread material; Step S3: Use a roller to statically press the spread material twice, and then vibrate and press it five times; Step S4: Continue to spread the subgrade filler and repeat the above construction steps until the design elevation is reached.

5. The construction method according to claim 4, characterized in that, The paving thickness of each layer of the spread material is 60 cm each time.