1) limestone pebble conglomerate
石灰质卵石砾岩(地)
2) limestone pebble conglomerate
石灰质卵石砾岩
3) sandy cobble bed
卵(砾)石和岩石地层
1.
The article introduces the construction process and technique of punched cast-in-situ pile at sandy cobble bed with an focus on the punching technique.
此文介绍了冲孔灌注桩在卵(砾)石和岩石地层中冲孔施工技术、施工阶段应采取的施工工艺,对在卵(砾)石和岩石地层冲孔施工技术作了详述,对坍孔、斜孔、弯孔、断桩等事故进行了分析,并提出了处置措施。
4) calcrudyte
砾屑石灰岩
5) gravel strata
卵砾石地层
1.
By the analysis of present drilling ways,and according to the characteristics of gravel strata,application feasibility is put forward for DTH hammer concentric simultaneous casing drilling tool in gravel strata,and analysis are made on the structure principle and characteristic of drilling tool.
卵砾石地层是钻探工程中常见的一种典型的不稳定地层。
2.
Through applying downhole hammer concentric simultaneous casing drilling method,the difficulties that drill in gravel strata are solved out fundamentally,the authors consider downhole hammer concentric simultaneous casing drilling is an effective way for gravel beds in combination with a case of rock-soil engineering survey in Duyun Cit
卵砾石地层是钻探工程中常见的一种典型的难钻进不稳定地层。
6) gravel stratum
卵砾石地层
1.
Abatract The paper firstly introduces the designing principle of a new-type alloy-diamond bit for the gravel stratum, secondlyexplains briefly the mechanism of matrix composition for the new-type bit.
本文首先介绍一种用于卵砾石地层钻进的新型针状硬质合金钻头的设计原理,而后简要说明其胎体配方组成机理。
2.
Drilling in gravel stratum is one of present difficulties in drilling area with low drilling speed,short service life of bit and high drilling cost.
卵砾石地层钻进是钻探的难题之一,不仅钻进速度低,钻头的使用寿命短,而且钻探成本高。
补充资料：碱石灰,苏打石灰混合物
CAS：8006-28-8
分子式：H3Ca2NaO4
分子质量：170.17
中文名称：碱石灰；钠石灰；苏打石灰；苏打石灰；碱石灰,苏打石灰混合物
英文名称：Soda lime；soda-lime；soda lime,with more than 4% sodium hydroxide；sodalime
分子式：H3Ca2NaO4
分子质量：170.17
中文名称：碱石灰；钠石灰；苏打石灰；苏打石灰；碱石灰,苏打石灰混合物
英文名称：Soda lime；soda-lime；soda lime,with more than 4% sodium hydroxide；sodalime
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