通过钻孔冲击物理试验，研究了钻孔冲击的临界压力，以及钻孔冲击的条件；
The critical pressure and conditions of drilling hole burst are determined through the physics experiment of drilling hole burst.
介绍了作者近年来对钻孔法采脂技术的试验情况和取得的初步结果。
This article introduced the relevant investigative circumstance and the acquisition result of borehole oleoresin tapping tests in recent years.
介绍了试验钻孔施工技术及取得的成果。
The result of construction technology of testing borehole was introduced in this paper.
本文介绍了淮南矿区张北矿地面钻孔抽采采空区瓦斯技术的试验成果。
Test results of surface gas extraction technology from boreholes in the goaf in Zhangbei Coal Mine, Huainan Mining Group are introduced in the paper.
根据试验研究情况，从刀具结构参数、钻孔冷却方式、加工工艺要点等方面详细介绍了高温合金孔的加工技术。
According to test research situation, machining technique has been presented in terms of cutter structural parameters, cooling method for drilled holes and machining technology.
爆前试验证明了钻孔底部柔性垫层的隔震作用。
The partition function of flexible cushion on the bottom of explosive holes was proved by experiments before explosion.
介绍了一大型桥梁钻孔灌注桩静载试验。
The static load test for the large bored pile in bridge engineering was presented in this paper.
长期以来路基工程质量检测与评价方法是采用传统开挖检查和钻孔取样试验的常规技术。
For a long time, the subgrade project quality testing and evaluation method follows the traditional excavation inspection and drilling and sampling test techniques.
本文根据某工程中钻孔灌注桩的现场试验，对桩端压力灌浆技术在卵石层中灌注桩的应用效果及其经济效益进行了分析。
Based on site tests, this paper discusses the effect of pressure grouting under piles tip in cobble layer and analyzed its economical and social benefit.
第4章主要介绍了钻孔布液的工业性试验情况。
In Chapter 4, the industrial testing of the liquid delivery by drilling-lixiviation was introduced.
并与同一钻孔中的常规压水试验结果以及其他地区渗透系数测试数据的统计分析资料进行了对比。
The test results are compared with Lugeon test results in the same borehole and statistical analysis of permeability test results in other areas.
介绍了ZY F型钻孔液压封孔器的研制、实验室模拟试验及现场工业性应用试验情况。
The development, lab analog test and field test of Model ZYF hydraulic hole packer are presented in the paper.
通过沿海某大型火电厂主厂房地基中超长钻孔灌注桩静载试验和桩身轴力测试，探讨软土地基中超长钻孔灌注桩的承载力性状和荷载传递机理。
According to the static loading test and the axial force test, the bearing capacity and load transfer mechanism of the over-length pile in the littoral soft clay are discussed.
通过桩载荷试验分析钻孔对相邻桩承载力的影响。
Through a series of static loading tests, the bearing capacity of piles influenced by boreholing is analyzed.
在砂岩矿床的地浸试验和生产中，含矿含水层地下水承压水头很低时，地浸钻孔的开拓难度很大且工艺复杂。
During the test and production of in-situ leaching of sandstone deposit, it is very difficult and complicated to exploit boreholes when confined water head of ore-bearing acquifer is quite low.
长期以来我国隐蔽工程质量检测与评价方法仍沿用着传统开挖检查和钻孔取样试验的常规技术。
It has been long time that the examination and evaluation of the concealed engineering works are made via some conventional methods, such as excavation and drill sampling.
为确定在这种复杂地层条件下进行钻孔高喷灌浆时采用的合理的工艺工序和技术参数，在高喷灌浆正式开工前进行不同孔距、不同高喷参数的灌浆试验。
The spouting tests with different bore distance and high pressure coefficient were done before working in due form in order to confirm rational working procedure and technical parameter.
通过温州软土地基中超长钻孔灌注桩静载荷试验和桩身轴力的测试，探讨了软土地基中超长钻孔灌注桩的承载力性状和荷载传递机理。
In this article, the bearing capacity behavior and load transfer mechanism of super long bored pile in Wenzhou soft clay are discussed, on the basis of the static loading test and axial force test.
采用R/S分析方法对钻孔常规压水试验资料进行了分析，给出了能反映岩体透水性特征的分维数。
The data from conventional water pressure test is analyzed by using R/S method and the fractal dimension of rock mass permeability is obtained.
试验表明，该装置有效地解决了复杂结构煤层钻孔难的问题。
The site application results showed that the device could be effectively to solve the drilling difficulties in seam with complicated structures.
现场试验表明，这是一种适于井下工作面钻进瓦斯预抽放短钻孔的轻便高效钻机。
The field test indicated that the developed drilling rig is appropriate for underground pre-drainage of coal seams.
结合大直径超长桩试桩得到的试验资料，应用有限元方法分析了压浆对大直径超长钻孔灌注桩承载性能的影响。
Effects of grouting on the bearing behavior of bored pile are analyzed with the finite element method in accordance with the test results of large diameter over length piles.
闭口塑料容器一直采用桶身钻孔进行液压和气密试验，浪费较大。
The commonly used hydraulic seal test and air-tight test for the closed plastic container need to drill a hole on the container body. After test, the container is wasted.
由于现场钻孔管涌试验所得的坝基岩体试验破坏坡降较大，不足以反映断层破碎带最差部位的岩体破坏坡降。
The hydraulic gradient gained from the permeability testing in the site is higher and can not reflect the real hydraulic gradient of the heavily fractured rock.
在设备研制成功的基础上，对钻孔机钻头不同钻尖、不同切土刀刃角进行了实地试验研究和分析。
Based on the machine development, a research and analyses of auger drill bits with different kinds of drill tips and soil cut blade angles were carried out in tree planting field.
为了研究粉土中钻孔群桩的工作性能和承载力等问题，进行了系统的接近于原型尺寸的现场群桩试验。通过埋设测试元件对承台土反力、桩侧摩阻力、桩端阻力、桩土相对位移等进行了测定。
Systematic field tests on pile groups with near prototype size have been carried out in order to research into the behavior and bearing capacity of bored pile groups in silt.
通过模型试验研究不同桩端土对承压钻孔灌注桩承载特性的影响。
The primary goal of this research is to study the influences of different pile-tip soils on the bearing characters of bored piles.
通过模型试验研究不同桩端土对承压钻孔灌注桩承载特性的影响。
The primary goal of this research is to study the influences of different pile-tip soils on the bearing characters of bored piles.
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