1) geological structure of gravel sand layer
卵石砂土层地质结构
2) sandy pebble soil
砂卵石土层
1.
Bored pile hole-marking technology research in sandy pebble soil
砂卵石土层中钻孔桩成孔工艺研究
3) sandy cobble ground
砂卵石地层
1.
For the construction of the running tunnels of Chengdu Metro in sandy cobble ground,the shield machine is required to have the capability of performing long-distance boring in sandy cobble ground,crushing the large boulders and cobbles and prevention and control of mud bursting.
在成都砂卵石地层中建设地铁,要求盾构设备能够实现砂卵石地层的长距离掘进、大漂石和卵石的破碎以及防止喷涌的发生。
2.
The first stage project of line 1 of Chengdu Metro mostly passes through water-rich sandy cobble ground,which contains a small amount of large boulders.
成都地铁一号线一期工程区间隧道大多通过富水砂卵石地层,且含有少量大粒径漂石。
4) cobble stratum
砂卵石地层
1.
1 line of Chengdu Metro as an example,the authors introduce the methods and measures of hyperbaric operation in water bearing cobble stratum.
以成都地铁1号线盾构4标段(省体育馆—火车南站)工程为依托,介绍了针对成都地铁含水砂卵石地层这种特殊地质所采取的带压进舱作业的相关施工方案和施工措施,提出了确保砂卵石地层自稳性和提高砂卵石地层气密性的带压进舱作业的技术要点和作业方法。
5) sandy cobble stratum
砂卵石地层
1.
Field test and data analysis are carried out according to relevant parameters,such as material of ductile on sandy cobble stratum,caliber and pore-forming mode.
针对砂卵石地层中小导管的材质、管径选择以及成孔方式等相关参数进行现场试验和数据分析,结果表明:砂卵石地层中小导管的实际施工优先选用φ25×3无缝钢管;成孔方式采用风钻和风镐辅助高压风相结合的方式;采用套管定向、封闭等措施解决孔位坍塌问题。
2.
The large-diameter slurry shield is the first time to be used in sandy cobble stratum in Beijing Underground Zhijing Line in Beijing area.
北京地下直径线是北京地区首次在砂卵石地层中采用大直径泥水盾构。
6) sand gravel geology
砂卵石地质
补充资料：乏燃料直接地质层处置
分子式：
CAS号：
性质：将乏燃料直接埋于一定深度的地质层内，是乏燃料可回取的处置方法。
CAS号：
性质：将乏燃料直接埋于一定深度的地质层内，是乏燃料可回取的处置方法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条