2010年4月 工技术 第39卷第4期 CONSTRUCTION TECHNOLOGY 土工膜破坏原因分析及防治措施 郑建华,许四法2 (1.宁波市建筑工程安全质量监督总站,浙江宁波315010; 2.浙江工业大学建筑工程学院,浙江杭州310014) 【摘要]为了防止雨水流人垃圾中形成的渗滤液等多种有害物质流入地下污染地下水以及周围环境现代垃圾填 埋场都设置了防渗系统。防渗系统一般由无纺布、防渗材料以及膨润土土工毯等组成由于在热应力、拉应力以及 穿刺等各种因素的作用下,可能导致防渗系统破坏而使有害物质流人地下。介绍了造成防渗系统破坏的原因及其 防治措施 【关键词】垃圾填埋场;防系统;破坏原因;防治措施 【中图分类号]T761.11 文献标识码]A 文章编号1002-8498(2010)04-0083-02 Destructive Causes Analysis of Geomembrane and Prevention Measures Zheng Jianhua' ,Xu Sifa ( 1.The Chief Supervision Station of and Quality of Construction Engineering ,Ningbo ,Zhejiang 315010 ,China ; 2 .College of Engineering and Architecture ,Zhejiang Unitersity Technology ,,Zhejiang 310014 ,China ) Abstract :The waste landfill should be designed no leachate that may include hazardous materials flowing into surrounding ground and water over long period of years .A seepage system posed of geomembrane ,geotextile and GCL is installed on the bottom and the side slope of a waste landfill .The seepage system is considered to bear various forces ,such as tensile force ,thermal stress and puncture and it would be damaged under the influence of various factors .The main reasons of damage of geomebrane are analyzed ,and the m...
2010年12月 施工技术 第39卷第12期 CONSTRUCTION TECHNOLOGY 土工格室处理高填方新旧路堤施工技术 王家全,周健2,吴辉琴,黄柳云 (1.广西工学院土木建筑工程系,广西柳州545006;2.同济大学地下建筑与工程系,上海200092) [摘要]结合山区公路改扩建工程,指出山区高填方新旧路堤容易出现不均匀沉降等问题,根据数值分析结果和现 场实际情况提出采取土工格室处理方案,重点分析了现场施工控制方法与检测标准,并进行了现场新旧路堤搭接 段深层侧向位移和沉降观测数据分析。结果表明,严格控制现场施工质量,可保证土工格室所在结构层发挥立体 加筋效果,有助于提高新旧路堤的搭接稳定性,降低新旧路堤的不均匀沉降。 【关键词】土工格室新旧路堤位移施工技术 【中图分类号]U416.1 [文献标识码]A 编号1002-8498(2010)12-0091-03 Construction Technology on Geocell Treating High Fill New-old Embankment Wang Jiaquan' ,Zhou Jian' ,Wu Huiqin' ,Huang Liuyun ( 1.Department of Engineering ,Guangxi of Technology ,,Guangxi 545006 ,China 2 .Department of Geotechnical Engineering ,Tongjt Unisersity ,Shanghai 200092 ,China ) Abstract :In mountain highway widening projects ,it is easy to appear differential settlement problem for the mountain high fill new-old embankment .According to the numerical analysis results and field condition ,the geocell treatment plan is proposed .Then the field construction control method and the examination standard are analyzed in detail .At the same time ,the in-depth lateral displacement and settlement observation of the field new-old embankment joining sections are analyzed .The results show th...
[关键词]地基;软土;加筋带;承载力;有限元分析 【中图分类号】TU472.21[文献标识码]A[文章编号】1002-8498(2014)07-0083-04 ResearchonSandstoneCushionbyReinforcedwithGeotechnical Band and Finite Element Analysis Zhang Tingwang (College ofArchitecture and CivilEngineering,Taiyuan University ofTechnologyTaiyuan,Shanxi030024,China) Abstract:According to the geotechnical reinforcement band performance characteristics, this paper takes sandstone foundation in Shanxi Xinghua College project as an example, and through the foundation bearing capacity test, this paper makes sure the reliability and stability of the whole reinforced sandstone cushion foundation. Through calculating and analyzing the soft soil foundation which is laying in different layers and different laying density reinforced by finite element software PATRAN, this paper ultimately determines the paving pattern of reinforced belt. Key words:foundations;soft soil; reinforced band; bearing capacity;finite element analysis 近年来的实践和研究证明,在软土层不厚的情角洲、湖盆地周围、山润谷地均有分布,由于软土具
基是一种简单经济的处理方法。
128 当代化工研 科研开发 201704 含氟高分子材料在塑料光纤中应用的研究探讨 ★安诗雨 克罗米斯光纤美国·新泽西州沃伦07001~08989) 摘要:含氟的塑料具有耐高温、高压等特性,近些年,含氟高分子材料在塑料光纤中的应用得到了世界各国的重视。含氟高分子材料在 塑料光纤中的应用得到了迅速的进步与发展,也有效改善了塑料光纤的性能。基于此,文章首先针对含氟高分子材料所制成的塑料光纤的 性能进行分析,然后对氟塑料光纤的制备方法进行了探讨,最后对含氟高分子材料在塑料光纤中的应用进行了研究。 关键词:含氟高分子材料;塑料光纤;全氟聚合物;应用探究 中图分类号:T 文献标识码:A Study and Discussion of the Application of High Polymer Material Containing Fluorine in Plastic Optical Fiber An Shiyu ( KolomytsynFiber ,Warren ,New Jersey ,America ,07001 ~08989) Abstract :The plastic containing fluorine has the features of high temperature resistance and high pressure resistance etc .,recently ,the application of high polymer material containing fuorine in plastic fiber has got the attention of countries across the world .The application of high polymer material containing fluorine has got rapid progress and development and it also has improved the property of plastic fiber effectively ,based on which ,this paper has taken analysis of the property of plastic fiber made of high polymer material containing fuorine ,and then taken discussion of the preparation method of plastic fiber ;finally ,taken study of the application of high polymer material containing fluorine in...
施工技术 2016年8月上 42 CONSTRUCTION TECHNOLOGY 第45卷第15期 do:10.7672/sgjs2016150042 同步液压集群交替顶升技术在大跨径双曲面坡 椭圆形钢网架施工中的应用 吴兴宏,路亚妮2 (1.湖北工程学院基本建设管理处,湖北孝感432000:2.湖北工程学院土木工程学院,湖北孝感432000) 摘惠]湖北工程学院已建成的体育馆屋面大跨径双曲面坡椭形钢网工程建筑高度高,平面异形传统脚手架 搭设面积大,安折费用高,工序繁,高空作业存在安全隐患且不易搭设施工平台,安装质量不易保障,网架投影部 分需暂停施工。通过研究同步液压集群交赞顶升技术在大跨经双曲面坡钢网架安装中的应用,在地面或接近地面 的位置完成安装与检测工作工程实践表明,同步液压集群交替顶升技术具有顶升费用低、网架影部分可以交 叉或同步施工等优点。 关键词]体育馆;钢构;安装;液压顶升;双曲面坡;网架 中图分类号]TU758.11 文献标识码]A 文章编号】1002-8498(2016)15-0042-03 Application of Synchronous Hydraulic Jack-up Technique on Large-span Oval Steel Space Truss Construction Wu Xinghong' ,Lu Ya'ni ( 1.Basic Construction Management Office of Hubei Engineering Unizersity ,Xiaogan ,Hubei 432000 ,China : 2 .School of Engineering ,Hubei Engineering ,Xiaogan ,Hubei 432000 ,China ) Abstract :Steel structure project with traditional scaffolding have big installation area and high building height ,which have lots of problems ,such as the high cost of installing and dismantling ,tedious process potential safety hazard working on the higher levels ,construction platform are not easy to built installation quality is hard to guarantee .While the synchronous hydraulic cluster alternating jack-up techni...
当代化工研究 综述与专论 2016·08 变电站及输电线路防鸟害措施简述 吕超 (神华国华呼伦贝尔分公司内蒙古021000) 摘要:阐述输电线路和变电站电力设备防鸟害一直是世界研究的热题;如何找到较好的与鸟和谐共处的办法,把鸟无论是飞行碰撞还是 栖息筑巢对电力系统的影响减少到最低限度,是国内外共同关注的问题本文分析鸟害事故发生的原因、特征及规律等,有针对性地提出 线路防鸟设计运行维护、施工过程中应加以考虑的一些问题,并介绍各种防鸟设施的作用,以及提出了防鸟害对策并进行探讨。 关键词:输电线路;变电站;防鸟害 图分类号:T文献标识码:A Discussion of Anti-bird Measures for Transformer Substation and Electric Transmission Line Chao Shenhua Guohua Hulun Buir Branch ,Inner Mongolia ,021000 Abstract :This paper elaborates that it is worldwide topic of the anti-bird issue of electric transmission line and transformer substation electrical equipments .How to find a better method to harmoniously coexist with the bird and reduce the impact on power system to the minimum nomatter it is fying collision or nesting habitats ,which is a mon concerned issue at home and abroad .In this paper ,it analyzes the causes characteristics and laws etc .,of birds trouble accidents and puts forwards some pointed problems in the process of routine anti-bird design ,operation and maintenance and construction ,besides ,it introduces the function of various anti-bird facilities andand puts forward some countermeasures to prevent birds trouble with related discussion ...
90 当代化工研究 百家争鸣 2016·12 变电站二次系统独立地网及接地设计的认识 ★陈莉 (江西恒泰电力勘测设计有限公司江西330096) 摘要:电力能源作为现代社会的重要能源,与人们的生活、工作联系紧密。随着社会经济的进一步发展,对于电力系统运行稳定性和安 全性提出了更高的要求。就目前变电站的二次系统接地模式而言,普遍设计为一次系统、二次系统共同使用同一接地网的连接形式,如一 次系统发生雷击故障,就容易对二次系统造成影响。笔者从电源接地的实际影响入手,就二次系统独立接网的设计,发表几点看法,以供 相关单位参考。 关键词:变电站;二次系统;独立地网接地设计 中图分类号:T文 文献标识码:A Cognition of the Independent Grounding Grid and Grounding Design for Transformer Substation Secondary System Chen Li Jiangxi Hengtai Electric Power Survey and Design Co .,Itd ,Jiangxi ,330096 :Electric energy ,as an important energy in modern society ,is closely linked to people's life and work .With the further development of social economy ,the higher requirements have been put forward for the stability and safety of power system running .In terms of the grounding mode of current transformer substation secondary system ,the mon design is that the primary system and the secondary system use the connection of the same grounding network ,for example ,if the primary system has the lightning strike fault ,it is easy to cause influence on the secondary system Starting from the practical influence of power ground ,the author has explained several opinions about the design of secon...