1.
Successful application of horizontal directional drilling to pipe-laying construction through sand gravel strata
水平定向钻进技术在砂卵砾石层中的成功应用
2.
The conclusion is that the high-pressure gunite technique applied to 30 m thick of sand and gravel layer is feasible.
通过本次经验为在深厚层砂卵砾石层中进行高喷灌浆施工提供借鉴。
3.
Reinforcing this layer by grunting mode is introduced.
介绍采用注浆方式来加固砂卵（砾）石层。
4.
Study on Simulation Grouting Experiment in Gravel & Mechanism of Permeating Grouting;
砂卵（砾）石层模拟注浆试验及渗透注浆机理研究
5.
formation-to-gravel size ratio
地层砂与砾石粒度比
6.
gravel to sand size ratio
砾石-地层砂粒度比
7.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
8.
Gravel is an unconsolidated mixture of rock fragments or pebbles.
砂砾是砾石岩石碎片或卵石的松散的混合物。
9.
To apply a surface of rock fragments or pebbles to.
用砂砾铺覆以岩石碎片或卵石的表面
10.
median pack-to-formaton grainsize ratio
充填砾石与地层砂粒度中值比
11.
Construction Technology of Curtain Grouting of Deep Gravel Layer
深厚砂砾石层防渗帷幕灌浆施工技术
12.
Theory of Perneation Grouting about Clay-cement Grout and Application of Numerrical Simulation among the Soil Including of Sands and Pebbles
粘土固化浆液渗透注浆理论与数值模拟在砾砂、卵石土层中的应用研究
13.
"Clay, silt, sand, and gravel. "
粘土，粉砂，砂土和砾石。
14.
gravelsand filled perforation tunnel
被砾石与地层砂混合物充填的射孔孔道
15.
Study and Test on Engineering Properties of Sand-gravel Cushion;
砂砾石碾压垫层的工程性能试验与研究
16.
Experimental Investigation on the Grouting and Analysis on Seepage Calculation in Sand Stratum and Gravel Bed;
砂砾石层灌浆试验研究及渗流计算分析
17.
High-pressure rotary jet-grouting for anti-seepage in sand-gravel strata
高压旋喷灌浆防渗技术在砂砾石地层中的应用
18.
The comprehensive evaluation of rebound modulus nonlinear of sand stone base material
砂砾石基层材料回弹模量非线性的综合评判