单选题
水泥强度和（）是影响混凝土强度最主要因素。
发布日期：2021-04-06
骨料
温度
湿度
水灰比
试题解析
水泥强度
水泥的强度是评价水泥质量的重要指标，是划分水泥强度等级的依据。水泥的强度是指水泥胶砂硬化试体所能承受外力破坏的能力，用MPa（兆帕）表示。它是水泥重要的物理力学性能之一。
- 中文名
- 水泥强度
- 作用
- 评价水泥质量
- 学科
- 物理力学
- 表示
- MPa
强度
强度是指表示工程材料抵抗断裂和过度变形的力学性能之一。常用的强度性能指标有拉伸强度和屈服强度（或屈服点）。铸铁、无机材料没有屈服现象，故只用拉伸强度来衡量其强度性能。高分子材料也采用拉伸强度。承受弯曲载荷、压缩载荷或扭转载荷时则应以材料的弯曲强度、压缩强度及剪切强度来表示材料的强度性能。
- 中文名
- 强度
- 外文名
- intensity
影响
影响是指以间接或无形的方式来作用或改变。
- 中文名
- 影响
- 拼音
- yǐngxiǎng
- 近义词
- 浸染
- 外文名
- influence
- 词性
- 动词
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