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Aggregate property directly affects concrete property. When natural aggregate sources are lacking, artificial aggregates should be considered. The strata in Cambodia are dominated by sedimentary rocks with weaker lithology, which are not suitable for artificial aggregate. The quality of gneiss and limestone is good, but the distribution area is small, so it is not suitable for mass mining. Basalt is widely distributed, and the rock strength is generally high. There are problems such as scattered distribution, poor uniformity, and large property changes. Suitability of basalt artificial aggregate is studied in combination with specific projects. Research works are from outside to inside, from shallower to deeper. Through general survey and primary selection of quarry, surveying and sampling, rock mineral identification and chemical composition analysis, rock physical mechanics test, alkali activity test and aggregate processing property and other analysis tests, its quality indicators and reserves are found out. Studies have shown that quality and reserves of aggregates in the survey yard can meet the needs of the project, mining and transportation are convenient, making it an ideal choice for concrete artificial aggregates. Research methods and results can be used as the reference for similar projects.

Study on suitability of basalt artificial aggregate in Cambodia