型号：YC-SPJ
产地：北京
厂家：北京仪创时代科技有限公司
用途：通过测定水泥砂浆试件、混凝土棱柱体试件在特定条件下的长度变化，进而评估混凝土中骨料的潜在碱活性，判断骨料是否可能引发碱骨料反应（AAR）。
Model: YC-SPJ
Origin: Beijing
Manufacturer: Beijing Yichuang Times Technology Co., Ltd.
Purpose: Used to evaluate the potential alkali reactivity of aggregates in concrete by measuring the length changes of cement mortar specimens and concrete prism specimens under specific conditions, thereby determining whether the aggregates may trigger alkali-aggregate reaction (AAR).