| Issue |
E3S Web Conf.
Volume 617, 2025
2024 International Conference on Environment Engineering, Urban Planning and Design (EEUPD 2024)
|
|
|---|---|---|
| Article Number | 03023 | |
| Number of page(s) | 5 | |
| Section | Study on Sustainable Urban and Rural Development and Spatial Planning | |
| DOI | https://doi.org/10.1051/e3sconf/202561703023 | |
| Published online | 21 February 2025 | |
Study on Mechanical Properties of Recycled Aggregate Concrete with Cement-Based Crystalline Materials
Rocket Force University of Engineering, Xi’an 710025, China
* Corresponding author: *15129569792@163.com; a670385212@qq.com; bwatermelon0724@163.com
The acceleration of urbanization has led to the increasing scale of construction waste, which has caused a lot of waste of resources, and recycled aggregate concrete technology can effectively utilize these wastes. Due to the existence of complex systems such as mortar and microcracks at the interface of recycled aggregate, the mechanical properties of recycled aggregate concrete are insufficient. Based on this, this paper proposes a permeable crystalline material XYPEX containing a large number of active components, and adds different amounts of XYPEX. The working performance and mechanical properties of recycled aggregate concrete were measured. The conclusions are as follows: the incorporation of XYPEX can improve the slump expansion of recycled aggregate concrete mixture and enhance the fluidity of concrete. With the increase of XYPEX content, the mechanical strength of recycled aggregate concrete also increases, and the best performance is achieved when the content is 2.0 %. XYPEX can make recycled aggregate concrete generate more crystals insoluble in water, fill in its pores, enhance its mechanical properties, and meet the application requirements of recycled aggregate concrete.
© The Authors, published by EDP Sciences, 2025
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