卵石层 meaning in English
boulder bed
pebble bed
Examples
- A construction practice of large diameter pipe jacking in cobble layer
卵石层中大管径顶管施工实践 - Vertical bearing behavior of large diameter short - belled pier in sand - cobble layer
砂卵石层上大直径扩底短墩竖向承载性状 - Application of dth drilling with simultaneous casing in high pressure spiral jet grouting technology in pebble formation
潜孔锤跟管钻进技术在卵石层高压旋喷灌浆工艺中的应用 - Through grouting practice of design and construction , it is proved feasible and cheaper to use dam heavy curtain grouting technology for leakproof and bracing for foundation pit in the sandy gravel stratum
通过一灌浆工程设计和施工实践，说明了在含水量高补给充分的砂砾卵石层中运用大坝帷幕灌浆技术进行基坑止水和支护的可行性和经济性。 - Once the grouting technique being applied , diameter and length of pile can be decreased . pile ' s tip can be directly laid in gravel and construction work can be cut down , which means lower construction difficulties and less expenditure
采用桩端压力灌浆技术，可以减小桩径、缩短桩长，将桩端位于卵石层或减少卵石层中工作量，从而降低施工难度，减少工程投入。