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首页> 外文期刊>Journal of Applied Polymer Science >Characteristics of polyester polymer concrete using spherical aggregates from industrial by-products
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Characteristics of polyester polymer concrete using spherical aggregates from industrial by-products

机译：使用工业副产品的球形集料的聚酯聚合物混凝土的特性

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Despite its excellent physical and mechanical properties, polymer concrete has not been widely used owing to its much higher unit price than conventional portland cement concrete. To ensure the economic efficiency of polymer concrete, it is utmost important to reduce the use of polymer binder, which occupies most of the production cost of polymer concrete. Based on the experimental investigations, replacing filler (calcium carbonate) and fine aggregate (river sand) with fly ash and rapid-cooled steel slag (RCSS), which are spherical materials obtainable from industrial by-products, was found to be effective for improving the strength characteristics and durability as well as the cost efficiency of polymer concrete. The product developed in this study successfully reduced the demand for polymer binder by 21.3% compared to the conventional product, which in turn saved the total material costs by 18.5%. Although the use of RCSS showed performance degradation at an elevated temperature condition, considering typical temperature ranges that actual concrete infrastructures experience, it is expected that the polymer concrete using fly ash and RCSS will provide high-level performances as construction and repair materials.
机译：尽管其优异的物理和机械性能，但由于聚合物混凝土的单价比传统的硅酸盐水泥混凝土高得多，因此并未得到广泛使用。为了确保聚合物混凝土的经济效率，最重要的是减少聚合物粘合剂的使用，该粘合剂占据了聚合物混凝土的大部分生产成本。根据实验研究，发现用粉煤灰和速冷钢渣（RCSS）代替填料（碳酸钙）和细骨料（河砂）是可以从工业副产品中获得的球形材料，可以有效地改善聚合物混凝土的强度特性和耐久性以及成本效益。与传统产品相比，本研究开发的产品成功地将聚合物粘合剂的需求减少了21.3％，从而节省了18.5％的总材料成本。尽管使用RCSS在高温条件下表现出性能下降，但考虑到实际混凝土基础设施所经历的典型温度范围，预计使用粉煤灰和RCSS的聚合物混凝土将提供高水平的性能，作为建筑和维修材料。

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