Abstract:由《探矿工程(岩土钻掘工程)》杂志第七届编辑委员会领导、编辑及部分专家、学者共同推选的2007年探矿工程十大新闻已经揭晓,现刊登如下,供参考.

Abstract:最近,在合肥召开的"深部找矿工作研讨会"上,与会者共同认为,我国深部隐伏的矿产潜力很大,找深部矿是我国今后矿产勘查工作的主要方向,大有可为.在深部找矿工作中,除了要利用更有效的地质理论作指导,更先进的物、化、遥感等新的探测技术方法外,钻探是取得最终结果的最基本的探测手段方法,尤其是今后的找矿深度超过千米以上,只能用钻探才能满足找矿的要求.即使开采矿山有坑道,同样需要用钻探来探矿.

Abstract:Introduction was made on current situation of technical standard of drilling engineering both in China and abroad, disparities were pointed out and suggestions were put forward.

Abstract:The paper detailed basic concept and principle of thermo-chemical rock fragmentation, discussed the method, test equipment, test bit, test rock sample of thermo-chemical rock fragmentation test. Analysis was made on the relation between test data and testing technology parameters, optimal testing technology parameters and conclusion were presented.

Abstract:针对新疆白干湖钨锡矿区自然环境恶劣,地质条件复杂,传统岩心钻探方法效率低、成本高、施工周期长等情况,使用贯通式潜孔锤反循环连续取心钻进技术,收到了良好的钻探效果.

Abstract:According to the concrete conditions of the strata, the fifth geological survey institution in Jilin province successfully selected effective construction technology and drilling fluid allocation for the drilling work in oil shale in Shulan, Dunhua and Songyuan. The paper introduced the drilling technologies and the drilling fluid allocation for the No. 5 well in Shulan, No. 3 well in Dunhua and ZK0833 well in Songyuan.

Abstract:Combining with drilling construction in Cenozoic stereo geological investigation in plain area of Beijing, the paper introduced the features of strata and construction difficulties of coring engineering of Quaternary. The features and proportions of slurry and effect of borehole wall protection in different loose strata were mainly introduced.

Abstract:介绍了古叙煤田勘探中钻井液的使用问题,通过其中2个钻孔的应用实践,表明所采用的低固相钻井液体系性能优良,适应性强,粘度适中,滤失量合理,形成的泥饼薄而致密且有韧性,对充分发挥金刚石钻进特点,防止井壁垮塌起到了良好的作用,从而有效提高了钻进效率.

Abstract:Jiuquwan geothermal well was the first synchronous exploring and producing well, which took the deep tertiary fine sandstone as the main water intake region. The completion of the well filled the blank of geothermal resource exploitation in the Cenozoic Sedimentary basin with un-continuous reservoir. The well completion technology for the deep geothermal well was mainly introduced in this paper.

Abstract:It is one of the effective methods for energy and resources comprehensive utilization to have gas drained to the ground by using gas-discharging hole in China. The paper introduced the application and technical method with field case.

Abstract:矿山充填钻孔系统是矿山采空场充填的新方法,其充填钻孔及充填管安装质量的好坏,将直接影响到矿山充填系统寿命及功用.结合一个钻孔充填管断裂事故,在分析其原因的基础上,探讨矿山充填钻孔的施工技术及施工注意事项.

Abstract:The article briefly introduces the configuration, measuring principle, characters and application of the dynamically tuned gyro inclinometer. It is a new type of inclinometer system, can automatically seek north by inertial navigation technique, and each measure point data has no connection with total amount error of former gyro inclinometer being removed and measure accuracy being raised. It is suitable for measurement of boring trace in borehole, drilling pipe and casing with magnetic interference.

Abstract:The paper detailed the design principle, technical features, structure, parameter setting, testing and application of the newly developed intelligent TTC data acquisition system.

Abstract:Combined with engineering, in accordance with different geological and environment conditions, a study is carried out to the application scope of stak preloading and dynamic compaction in soft foundation treatment of a port area in Shenzhen, the design of construction parameter, the main technical problems arising from construction, as well as solutions to them. The examination and analysis are made on the reinforcement effect of the two methods. The result shows that the analyzer fulfills all design requirements.

Abstract:For those buildings with slices of raft, when the foundation slab is under groundwater level, seepage will occur because of survey, design, construction and some other causes such as natural disaster. An innovating construction method is introduced according to this problem with field case, which is seepage control by secondary grouting.

Abstract:Analysis was made on sandy pebble replacing foundation in the character of vibrating compression, bearing capacity of sandy pebble ground and its function. It was proved that bearing capacity of artificial sandy pebble replacing foundation was better with small and uniform settlement, and was suitable to be applied for high-level buildings in Luonan new zone of Luoyang City.

Abstract:介绍了自平衡试桩法在天津滨海新区中央大道新港四号路基础托换工程试桩中的应用,与传统静载试验方法相比,省时、省力、节约、安全,且试桩结果可靠.

Abstract:The occurrence of slurry surge pressure and stability principle of borehole during bit-raising of the rotary drilling rig were introduced here. Computation model of surge pressure was also established in this paper. Surge pressure produced with each construction technological parameter was separately analyzed and calculated, and the calculating method of allow- able withdraw speed was presented.

Abstract:在基坑围护的局部地区,由于入土深度不够容易引起地下墙的位移与管涌现象,为了保证基坑的稳定,除对局部地下墙的配筋加强外,还采用了地基加固方法.在被动区域及基坑外侧进行压力注浆.

Abstract:本工程场地位于经塘渣埋填处理的河浜地段,由于埋填层富含地下潜水,对基桩施工的清障工作带来很大困难.结合具体情况,分析了此类场地经济、合理和安全的基桩类型及施工工艺.

Abstract:根据廊坊市馨领地小区工程中的实际应用,对CFG桩复合地基工程的施工质量监理过程进行了介绍.

Abstract:以华能汕头电厂的一次风机地基加固及减振处理为例,介绍了渗透注浆法在该工程中的成功运用.

Abstract:PDC bit was developed according to the complex geological conditions encountered in Bayinggobi Basin and Erdos Basin, and the relative drilling parameters were presented.

Abstract:以重庆排水工程鸡冠石隧道为例,重点介绍了城市小断面隧道光面爆破设计、关键施工技术及操作流程.

Abstract:通过潍坊风筝广场七连拱地下商场的施工实例,介绍了超浅埋多连拱地下商场施工中采取的施工技术与对策.

Abstract:介绍了仪征-长岭原油管道黄石长江盾构穿越隧道北岸接收竖井工程软土段所采用的逆作法施工技术.