Solid waste synergistically solidified road base material, preparation method and application

By combining high liquid limit red clay, fine construction waste powder, inorganic binder and curing agent, a solid waste co-curing road base material that meets the performance requirements of the base layer is prepared. This solves the problem of easy cracking of road base layers prepared from red clay and fine construction waste powder, and realizes high added value utilization of solid waste and engineering quality assurance.

CN117534397BActive Publication Date: 2026-07-21HUNAN COMM RES INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN COMM RES INST CO LTD
Filing Date
2023-11-03
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing technologies for preparing road base materials from high liquid limit red clay and fine powder of construction waste are prone to cracking, and have high processing costs and low added value.

Method used

A road base material with solid waste co-curing is prepared by combining high liquid limit red clay, fine powder of construction waste, inorganic binder, curing agent and water through steps such as curing, water replenishment and mixing. The performance is adjusted by combining appropriate amounts of cement and curing agent to form a suitable calcium-aluminum-silicon ratio, which provides basic strength. The material performance is ensured to meet the requirements by covering and watering for curing.

Benefits of technology

It significantly reduces the liquid limit and plasticity index of high liquid limit red clay, improves soil compaction density and strength, realizes high-value utilization of solid waste, ensures the engineering quality and water resistance of road base courses, and solves the problem of easy cracking of base courses.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application provides a solid waste synergic solidification road base material, a preparation method and application, and according to mass fraction, the solid waste synergic solidification road base material comprises 40-80 parts of dry high liquid limit red clay, 20-60 parts of dry building waste fine powder, 3-12 parts of inorganic binder, 0.01-0.1 parts of solidifying agent and 10-20 parts of water; the inorganic binder comprises cement and / or lime. Compared with the prior art, under the premise of ensuring the quality of the road base engineering, the road base material, the preparation method and the application provided by the application maximize the exploration and utilization of the characteristics of different solid wastes, realize the high value-added utilization of the solid wastes in a synergic solidification mode, and have strong process operability and great value for large-area popularization.
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