Abstract:(续上期 )4　大陆科学钻探4 .1　国际发展现状4 .1.1　ＳＧ - 3和ＫＴＢ超深孔取得重大技术成就至今世界范围内完成科学钻探深孔已有 10余口 ,其中取得重大科学成就和技术创新的是前苏联完成的ＳＧ - 3和德国的ＫＴＢ超深孔。ＳＧ - 3超深孔终孔深度达 12 2 6 1ｍ ,为迄今为止世界上最深的钻孔。该钻孔采用Ｕｒａｌｍａｓｈ15 0 0 0巨型钻机 ,其转盘功率为 36 8ｋＷ ,卷扬机功率 2 30 0ｋＷ ,具有钻深 15 0 0 0ｍ的能力。ＳＧ - 3孔还应用了涡轮钻具和轻型铝合金钻

Abstract:天然气水合物作为一种新型替代能源，其勘探开发越来越受到世界各国的重视。介绍了各国勘探开发天然气水合物的现状，分析了将其商业化的难度，提出了我国天然气水合物勘探开发钻探计划的思路，建议我国应藉修建青藏铁路之机，勘探开发沿线永冻层中蕴藏的天然气水合物资源。

Abstract:简述了我国旋挖钻进技术的发展概况及旋挖钻进设备及技术的优点、旋挖钻进施工过程中容易发生的事故及解决措施，分析了旋挖钻进技术发展的制约因素，同时认为目前是我国发展旋挖钻进技术的大好时机。

Abstract:介绍了柳钢围炉3号板坯主厂房沉降柱基灌浆加固和因加固引起的柱基抬升、倾斜及倾斜柱子纠偏扶正施工技术，并总结了经验教训。

Abstract:通过2个实例介绍了土钉与砌石挡土墙、土钉与钢筋砼挡土墙及微型桩相结合的边坡加固设计及施工的方法。在公路边坡加固和地质灾害防治中具有较高的推广价值。

Abstract:分析了广州市区某工程锤击沉管灌注桩大量出现浅层严重缺陷桩的原因，并提出了减少严重缺陷桩的建议。

Abstract:通过对沉管灌注桩在软弱土层中易发生缩径的原因分析，有针对性地提出防治技术措施，以提高沉管灌注桩施工质量。

Abstract:护筒底穿在水上钻孔灌注桩施工中危害很大，为了在施工中减少护筒底穿，从护筒制作、埋设及施工中各个环节分析原因，加以预防，并介绍护筒底穿后的相应处理措施。

Abstract:分析了CFG桩在复合地基处理中的优点，并通过工程实例具体介绍了其施工工艺及应用效果。

Abstract:宜万铁路越江工程地质勘察中，水上勘探覆盖层中护壁采用泡沫泥浆跟管方式，着重对泡沫泥浆的应用进行了简单的分析、比较和总结。

Abstract:兖州矿区鲍店煤矿主、副井筒发生开裂，在保证煤矿不停产的情况下，采用地面注浆技术加固井筒，取得了很好的效果。

Abstract:非金属锚索是近年来国际上研究开发的一种新型锚索材料，它从根本上解决钢锚索的锈蚀问题，使锚索锚固性能更加可靠。主要从锚索的特点、技术性能、锚固系统和经济性等几个方面，介绍目前国外非金属锚索的研究应用现状，说明非金属锚索在特殊锚固环境中具有优良的技术特性，有望成为钢锚索的换代产品而广泛应用。

Abstract:The paper analyzes the reason why Drilling Parameter Apparatus are not able to be popularized. It also introduces the overall structure, the testing parameters, the performance characteristics of WZY-1 Drilling Parameter Apparatus. The integrated design with drilling rig and mud pump is discussed respectively.

Abstract:采用SJC型流量仪监测系统来控制深层搅拌桩施工质量，对成桩过程中掌握注浆量的分布、控制桩顶、桩底标高以及确保施工桩长、杜绝断浆现象提供了施工数据，而且也为检验、验收部门提供反映搅拌桩质量的第一手资料，为判断成桩质量提供了最直接的依据。

Abstract:As for the characteristics which soil animals possess by evolution for existing in wet and sticky soil, this article introduces the reason why the soil animals’ unsmoothing cutical is favourable to reducing adhesion and shaking off clay, and the analysis of the peculiar claw shape of pangolin. Based on the above, the proposal of bionics bit is put forward, which might solve the problem of bit balling in drilling.

Abstract:The paper delves theoretically into the effects of formation forces, drilling parameter and borehole assembly on well quality. Based on drilling case in Santanghu Basin, the mechanic properties of formation inclination in the area are analyzed. The optimum plate of drill string assembly and drilling parameter is made. There’s much in this plate that can make use of straight and fast drilling in Santanghu Basin.

Abstract:Survey technologies are very important to a safe and successful laying pipelines with horizontal directional drilling. This paper is involved with knowledge about location of existing utilities and exploration for soil layers before construction, tracking and navigation for the drill head during drilling, and survey of pipelines in pre- and post- installation stages. Work principles, basic performances and application ranges of survey instruments are also described.

Abstract:The torque transmission capacity of several types of hoses is analyzed based on the results of test. The torque transmission hoses are designed referring to the structure of foreign hoses. This kind of hoses can be applied in controlled ram of trenchless.

Abstract:The paper, taking the real time drilling parameters web page of the well CCSD as an example, discusses how to make Excel Module server as an inputting interface, how to fix the head and bottom of a table and roll middle rows of the table and how to run our eyes on the drilling parameters in web by scrolling and real time fresh the web page.

Abstract:This article introduced the forecast method of unstable blocks that combine the forecast of faults, joints and flaws in three-dimension net work analogue technique during construction of tunnel and some results.

Abstract:介绍了长沙市芙蓉路电缆隧道T型接头硐室的开挖、支护等施工方法。