多选题
评价土的压缩性指标主要有（）。
发布日期：2020-11-03
压缩系数
压缩指数
泊松比
变形模量
孔隙比
试题解析
压缩性
压缩性是指流体在密闭状态下，随着压强的增加体积减少而密度增加的性质。液体的压缩性很小，可忽略不计，即随压强变化，体积几乎是不变的。而气体则相反，因此气体视为可压缩的。在建筑工程中，压缩性是指岩土体受荷载作用时体积缩小的性状。
- 中文名
- 压缩性
- 学科
- 土木工程
- 原因
- 孔隙体积
- 外文名
- compressibility
- 定义
- 岩土体受荷载作用体积缩小的性状
- 影响
- 地基沉降
评价
评价，读音píng jià，汉语词语，意思是指对一件事或人物进行判断、分析后的结论。
- 中文名
- 评价
- 拼音
- píng jià
- 出处
- 《燕翼诒谋录》、《前言》、《宋史·隐逸传上·戚同文》
- 性质
- 汉语词语
- 外文名
- appraise
- 注音
- ㄆㄧㄥˊ ㄐㄧㄚˋ
- 释义
- 指对一件事或人物进行判断、分析后的结论
指标
指标是一个汉语词语，读音是zhǐ biāo，意思是衡量目标的参数；预期中打算达到的指数、规格、标准，一般用数据表示。出自郭沫若《天地玄黄·鲁迅和我们同在》。
- 中文名
- 指标
- 拼音
- zhǐ biāo
- 释义
- 衡量目标的单位或方法
- 外文名
- Metrics, Index, factors
- 注音
- ㄓㄧˇ ㄅㄧㄠ
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