CHEN Jian , LI Liang-gan , YANG Shang-jin
2005, 32(8):2-5.
Abstract:In this paper, author take the support structures in the deep foundation pit of zhujiang square as example, and mainly introduce the key design and construction points of different support adopted according to different field condition of the deep foundation pit of a high rise building. The comprehensive application of these different support structures can help engineers to lower costs and shorten times.
2005, 32(8):6-8.
Abstract:通过对某复杂体形的倾斜危房首先采用托换技术分割为3个独立的结构单元,然后分别进行治理的工程实例,提出了一种解决复杂体形房屋纠偏加固的有效方法。
2005, 32(8):12-14.
Abstract:结合焦晋高速公路采空区治理工程B合同区段施工实践,详细论述了控制高速公路注浆处理采空区施工质量的组织措施和技术措施,实践证明这些措施具有可操作性和系统性。
2005, 32(8):15-17.
Abstract:通过长荆铁路汉江特大桥桩基工程的实例,介绍了用钢-砼套箱在抛填片石地质条件下施工钻孔灌注桩水中承台基础的方法。
2005, 32(8):18-19,22.
Abstract:结合广东大唐潮州三百门电厂钻孔灌注桩旋挖钻进施工中遇到的一些难题,通过对原有的旋挖钻斗结构优化改进,解决了钻进效率低、钻斗出甩土困难、成孔孔底沉渣过厚问题,并结合使用优质泥浆防止了塌孔问题,提高了施工效率。
2005, 32(8):20-22.
Abstract:结合萧甬复线东洋江桥基础施工,重点介绍了在粉砂层地质条件下,不排水吸泥下沉沉井、水下封底砼的施工方法、步骤。此施工方法在类似地质条件下值得借鉴。
2005, 32(8):23-24.
Abstract:通过冲击反循环钻机在水上平台的施工实例,介绍冲击反循环的施工工艺与方法,以及对工程质量的控制措施。
2005, 32(8):25-26.
Abstract:根据褥垫层在CFG桩复合地基中的承载机理和特性,提出了褥垫层是复合地基的核心技术,结合工程实例,证明了通过合理的褥垫层设计和精心施工,可达到降低工程造价,提高CFG桩承载力性能和抗变形能力的目的。
2005, 32(8):27-28,31.
Abstract:依据超声脉冲波在混凝土中传播的特点以及穿过混凝土缺陷时声参量变化的原理,声波透射法检测灌注桩混凝土的均匀性、评定混凝土的参考力学强度、检测桩身完整性具有方法有效、准确度高等优点。
2005, 32(8):29-31.
Abstract:在膨胀土地基上修筑公路路基或采用膨胀性土作为公路路基填料时,受外界因素如地质、水文、气候环境等影响,往往产生道路基底的交替升降变形,路堤压实度的反复变化;在较大路基填挖段,应力与变形的改变与重复更迭,使道路的强度及稳定性发生变化,产生溜坍、滑坡、纵向开裂等病害,最终造成公路路基、路面与构造物的破坏。结合工程实践经验,对膨胀土路基的设计与施工提出一些浅见。
LIU Shi-hu , LU Wen-ge , YU Wan-fu , XU Zhi-chao
2005, 32(8):32-34.
Abstract:Pressure-dispersed anchor wire takes advantage in this project because of its reasonable mechanism and its excitating soil strength. This text mainly introduces its traits, mechanism of effect and tension procedure. At the same time the status of this project are talked about.
2005, 32(8):35-37.
Abstract:八尺门滑坡是福宁高速公路上的大型滑坡治理工程,滑坡分成3个,分别采用不同的抗滑坡桩及预应力锚索进行治理。介绍了治理方案的实施过程。
2005, 32(8):38-39,42.
Abstract:介绍了成(都)—南(充)高速公路K73段高边坡深部位移监测项目的实施情况,包括监测钻孔施工、测斜管安装、测试工艺及数据分析等。
SU Ji-jun , YIN Kun , GUO Tong-tong
2005, 32(8):40-42.
Abstract:Based on the theory of contact non-linear finite element, the non-linear finite element analysis model of drill pipe joint screw was established, and the effect regular of external diameter of drill pipe joint on the its strength was researched by means of large general-purpose finite element analysis software .The result indicates that the ways of properly increasing the screw diameter can effective improve the stress distribution of the inner of joint screw, also the joint screw strength of drill pipe was increase 32%.
HU Jun-min , LIU Wei-peng , LI Yi-li
2005, 32(8):43-44.
Abstract:Portable Sampling Drill QY-3 was developed to meet the requirements of generally geological survey. The rig’s main structure, functional characteristics, technical data, and design conception were introduced. The calculation relative to clutch was analyzed. Finally the test of the rig and some modification which needs make were introduced.
2005, 32(8):45-49.
Abstract:The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment. In term of the present situation using A-F drilling in our country, the article puts out the applied widely ways and developing prospects.
2005, 32(8):50-54.
Abstract:Through the comparison and analyses of data collected from recently drilled well in Erdos Work Area, the bit model and drilling parameters of each well section and each district were optimized. The penetration rate was increased and the period of well completion was shortened. It make the drilling technology[KG*2]in North Hubei step up new footstep and speed the construction of the Erdos Gas Field.
2005, 32(8):55-57.
Abstract:山东齐河1号裂隙岩溶型地热井储热层为奥陶系灰岩,其上部覆盖第四系、第三系、二叠系、石炭系地层,成井工艺复杂。应用气举反循环钻进工艺、PDC钻头、化学处理泥浆、技术套管等工艺方法,探索了裂隙岩溶型地热井成井钻进工艺技术。
HOU Chuan-bin , GUO Tie-feng , ZHANG Zu-pei , REN Xi-gang
2005, 32(8):58-59.
Abstract:No.63 formula of diamond bit was optimized and verified, selecting reasonable and credible restrain conditions. The theoretical reorganization was gained. Based on that, some suggestions about bit formula were put out.
WANG Yao-feng , LI Xue-dong , LI Peng
2005, 32(8):60-62.
Abstract:Information design and construction in engineering is a new extension. In this article, authors analyze and discuss the technique and principle[KG*2]of information design and construction. It is the main part that uses the information as the principle for design and construction. Combining the twin-multiple arch tunnels in Xiangwu Section of Xiangshi Expressway Project, calculate the stability of wall rock during construction progress by the Finite Element Method, and with the data obtained by on-site construction monitoring, optimize the original design and construction.