Brucite powder helps He'an Expressway: innovative materials improve road engineering performance

With the rapid development of highway construction, the demand for building materials has surged, and the problem of construction waste disposal needs to be solved urgently. As a material with excellent performance, brucite powder has been studied for cement-stabilized recycled coarse aggregate to improve the performance of road engineering.

Research background

Demand for building materials: Highway construction has driven a large demand for building materials.

Construction waste treatment: A large amount of construction waste needs to be effectively treated and utilized.

Application research

Characteristics of brucite powder: The main component is Mg(OH)₂, which has expansion and water absorption, and improves stability and durability.

Cement-stabilized recycled coarse aggregate: Recycled coarse aggregate is used, and cement and brucite powder are added to improve stability.

Performance test

Test items: Unconfined compression test, splitting test and stiffness performance test.

Main findings

Performance improvement: brucite powder significantly enhances the various properties of cement-stabilized recycled coarse aggregate.

Economic and environmental benefits: Reduce the demand for natural resources and reduce the environmental impact of construction waste.

Application examples

He'an Expressway: The road performance of brucite powder cement-stabilized recycled coarse aggregate was actually applied and verified.

Conclusion

The application of brucite powder improves the performance of road materials, effectively utilizes construction waste, reduces environmental impact, and has significant economic and social benefits.

Development prospects

Technology promotion: With the advancement of technology and the improvement of environmental protection requirements, the application of brucite powder is expected to be more extensive.

Research deepening: Future research will explore the optimal dosage, synergy and performance under other environmental conditions.

The application research of brucite powder cement stabilized recycled coarse aggregate not only provides an effective way to utilize waste building material resources, but also verifies its potential to improve the performance of road materials through experiments. With the continuous advancement of technology, this method is expected to be more widely used in the future.