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Solidified mud soil and construction waste recycled aggregate composite inorganic material and molding method thereof

A technology of construction waste and recycled aggregates, applied in construction, soil protection, roads, etc., can solve the problems of less than 10% comprehensive utilization rate, large cultivated land occupation, environmental pollution, etc., to promote urbanization process and reduce project cost , The effect of saving building materials

Active Publication Date: 2018-09-07
TIANJIN MUNICIPAL ENG DESIGN & RES INST
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Problems solved by technology

According to statistics, my country's annual construction waste is more than 40 million tons, but its comprehensive utilization rate is less than 10%. For these construction waste, most of them are directly transported to the suburbs or villages by the construction unit without any treatment, and are piled in the open air. or landfill, which not only occupies a large amount of cultivated land, but also consumes a large amount of land acquisition, garbage removal and other construction costs
In addition, problems such as dust and dust in the process of transporting and piling up construction waste have caused serious environmental pollution.

Method used

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  • Solidified mud soil and construction waste recycled aggregate composite inorganic material and molding method thereof
  • Solidified mud soil and construction waste recycled aggregate composite inorganic material and molding method thereof
  • Solidified mud soil and construction waste recycled aggregate composite inorganic material and molding method thereof

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Embodiment Construction

[0030] The present invention will be described in further detail below by specific embodiment:

[0031] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but do not limit the present invention in any way.

[0032] The explanation for raw material used in each embodiment of the present invention is as follows:

[0033] Recycled construction waste material: It is obtained from construction waste disposal plants that have undergone primary crushing and sorting, and is made by secondary crushing and screening in the laboratory; it meets the requirements of the industry standard DB13(J)T155.

[0034] Engineering waste mud: It is taken from the mud produced at the construction site of bored piles; the mud can represent dredging filling, underground diaphragm wall, bored piles, trenchless horizontal directional drilling, mud-water balanced pipe jacking, mud-water pressurized For the mud produced during the constructi...

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Abstract

The invention belongs to the technical field of solid waste resource utilization, and discloses a solidified mud soil and construction waste recycled aggregate composite inorganic material and a molding method thereof; a skeleton structure is formed by a graded and mixed construction waste recycled aggregate, gaps of the graded and mixed construction waste recycled aggregate are filled with solidified mud soil, and the solidified mud soil is obtained by adding a high-efficiency water-reducing powder curing agent into engineering waste mud with a certain moisture content for evenly mixing. Thevolume ratio of construction waste regeneration aggregate to solidified mud soil is (80% to 60%): (20% to 40%). The solidified mud soil and construction waste recycled aggregate composite inorganic material adopts waste resources as main raw materials, is low in cost and easy to produce, realizes resource recycling and is in line with the sustainable development strategy; the solidified mud soil and construction waste recycled aggregate composite inorganic material has the characteristics of scour resistance, high strength, good water stability and dry shrinkage and the like after being formed, and is applicable to all kinds of urban road subgrades, subbases, grassroots, mountain landscaping project mountain filling and other projects.

Description

technical field [0001] The invention belongs to the technical field of resource utilization of solid waste, and specifically relates to a composite inorganic material of solidified mud soil for engineering and recycled construction waste aggregates and a molding method thereof, which is suitable for roadbeds, subbases, and bases of urban roads at various levels, and mountain landscaping Construction of mountain filling and other projects. Background technique [0002] With the rapid development of the national economy, the pace of urbanization in my country is accelerating, and the output of construction waste is also increasing. According to statistics, my country's annual construction waste is more than 40 million tons, but its comprehensive utilization rate is less than 10%. For these construction waste, most of them are directly transported to the suburbs or villages by the construction unit without any treatment, and are piled in the open air. Or landfill, which not onl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C3/00E02D3/12C04B28/00
CPCC04B28/001C04B2111/00017C04B2111/00482C04B2111/0075C04B2201/50E01C3/00E02D3/12C04B18/0418C04B18/16C04B2103/0068
Inventor 杜衍庆王新岐冯炜张贵生吕鹏刘俊段绪斌徐真真任建新雷学通王璨尹洪正庄灿杜彬
Owner TIANJIN MUNICIPAL ENG DESIGN & RES INST
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