roadbed; subgrade; foundation
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
roadbed; subgrade; foundation of a railway or highway
Technical term in civil engineering referring to the compacted soil or rock layer that supports the track or pavement structure. It is generally classified into embankments (路堤) on elevated sections and cuttings (路堑) in excavated sections.
Zhè这
duàn段
lù路
jī基
xū需
yào要
jiā加
gù固
。
This section of the roadbed needs to be reinforced.
Gōng工
chéng程
shī师
zhèng正
zài在
jiǎn检
cè测
lù路
jī基
de的
yā压
shí实
dù度
。
The engineers are testing the compaction degree of the subgrade.
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Ruǎn软
tǔ土
lù路
jī基
róng容
yì易
fā发
shēng生
chén沉
jiàng降
。
Soft soil subgrades are prone to settlement.
Lù路
dī堤
hé和
lù路
qiàn堑
shì是
lù路
jī基
de的
liǎng两
zhǒng种
jī基
běn本
xíng形
shì式
。
Embankments and cuttings are the two basic forms of roadbed.