drill-test

The result of construction technology of testing borehole was introduced in this paper.

苏通长江公路大桥主塔基础采用巨型群桩基础,施工前要模拟水上钻孔桩进行钻孔工艺试验,试验钻孔的技术要求高于现行规范要求。

The two methods, stable-water-flow method and flexible-water-flow method, to calculate penetrating Coefficient of drilling hole and injecting water experiment on homogeneous soil in soil body exploration are introduced.

介绍了土体工程勘察中均质土层钻孔注水试验——常水头和变水头注水试验两种方法渗透系数的计算,特别是对常水头注水试验方法不同条件下渗透系数的计算作了较详细的分析。

Study on Nozzle Wear Mechanism and Drilling Test of Swirling Abrasive Water Jet;

旋转磨料射流喷嘴磨损机理与钻孔试验研究

Study on Drilling Tests of PCB Through-Hole Drilling

钻PCB通孔钻切削性能的钻削试验研究

Test of digital borehole camera and borehole computed tomography imaging

数字钻孔摄像与钻孔CT层析成像测试试验

Application of Drilling Engineering in Fracturing Test Borehole of Gasification Coal Mining

钻探工程在气化采煤压裂试验钻孔中的应用

An experimental study of the auger bored cast-with-pressure concrete pile on soft ground

软土地区长螺旋钻孔压灌桩试验研究

Centrifuge Tests on Bearing Character of Bored Pile;

钻孔桩受力性状的离心模型试验研究

The Study of Examination Effect of the Drilling Technology to Standard Penetration Test;

钻孔工艺对标准贯入试验影响的研究

Experimental research on the system performance in near-dry deep hole drilling

亚干式深孔钻削系统性能的试验研究

Experimental Investigation of Three-phase Foam Sealing Liquid for Gas Pressure Determination Borehole

测压钻孔三相泡沫密封液的试验研究

Experimental Study on Rock Breaking Parameters of Combined Swirling and Round Jet

直旋混合射流破岩钻孔参数试验研究

An experimental study of drilling small and deep blind holes with an abrasive water jet

磨料水射流钻削深小盲孔的试验研究

EXPERIMENTAL RESEARCH ON NEGATIVE SKIN FRICTION OF LARGE-DIAMETER BORED PILES

大直径钻孔灌注桩负摩阻力试验研究

RESEARCH ON VERTICAL LOAD-BEARING PROPERTIES OF BORED PILE

钻孔灌注桩竖向承载能力的试验研究

Stability Analysis and Experimental Study of Hole Wall in Soil Horizontal Drilling;

土体中水平钻孔孔壁稳定性分析及试验研究

Consolidation and drainage effect of drilling and sand replacement samples in consolidated drained triaxial tests

三轴试样钻孔灌砂固结排水效果试验研究

Gas drainage in seam with large auto variable diameter bore holes

自动变径大直径钻孔抽放煤层瓦斯试验

Tests on Post Grouting into Bored Pile in Shanghai

钻孔灌注桩后压浆技术在上海地区的试验

Study on Cavity Expansion Theory and Numerical Analysis of Self-boring Pressuremeter Test;

孔扩张理论研究及自钻式旁压试验数值分析