影响砂、卵石等无黏性土工程性质的主要因素是()。(重要的题目)
A. 密度
B. 密实度
C. 孔隙比
D. 重度
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用孔隙比e来评价无黏性土的密实度的主要缺陷是()。
A. 孔隙比不能考虑到土的级配情况
B. 孔隙比不易测量准确
C. 孔隙比未能考虑到颗粒的形状
D. 孔隙比与密实度无关
用于评价砂土密实度时,最合适的指标是()。
A. 孔隙比e
B. 孔隙率n
C. 密度ρ
D. 相对密实度Dr
在现场,可采用()指标来评价砂土的密实度。
A. 孔隙比e
B. 孔隙率n
C. 标准贯入击数N
D. 原位静载荷试验
Fill in the blanks with the words or phrases from Reading A that match the meanings in the column on the right. The first letters are already given.1.f__________ to encourage something to grow or develop2. i__________ to combine something in such a way that it becomes fully a part of something else3. a__________ to take over and have or use something as one’s own4. s__________ to make something work more simply and effectively5. d__________ to give to or declare for a cause, purpose or person6. m_________ to continue to have, do, etc. as before7. t______ ______ to work together with somebody, especially for a common purpose8. a______ _____ to take something/somebody into consideration