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。
Based on studying the matter component of faulted zone,the accurate and reliable calculating parameters were gotten through borehole dual piping experiment and parameter sensibility analysis,and the seepage gradients of fault zone and influence zone were calculated by analyzing different working condition in finite element methods.
在研究断层带物质组成的基础上,通过现场双钻孔管涌试验、参数敏感性分析取得了准确可靠的计算参数,并采用有限元数值法对不同工况进行分析计算求得了断层破碎带及影响带的允许渗透比降。
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