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without excavation
相关语句
  无需开挖
     Small size tunnel driving is a construction technology of underground piping without excavation.
     小型隧道掘进是一种无需开挖的地下管道施工技术。
短句来源
  非开挖
     Application to engineering of lining turnover repair technique of CIPP hoses without excavation
     CIPP树脂软管翻转内衬非开挖修复技术应用
短句来源
     Rehabilitation Technique for Buried PE Lined Pipelines without Excavation in Cities and Towns
     城镇埋地管道非开挖内衬PE管修复技术
短句来源
     Describing the present state of affairs of the non-excavation technique of pipes at home and abroad,this article mainly introduces the principle,procedures,technical characteristics and techno-economic index of the lining turnover repair technique of CIPP hoses without excavation,and expounds the prospect of the application of this method and questions open for discussion and exploration.
     阐述了国内外管道非开挖技术的现状,着重介绍了CIPP树脂软管翻转内衬非开挖修复技术的原理、工序、技术特点及经济指标,论述了该方法的应用前景和需要探讨的问题。
短句来源
     Application of CIPP Overturn Lining Technique to Restore Sewage Pipes without Excavation
     CIPP翻转内衬修复技术用于污水管非开挖修复
短句来源
     Different material, structure and its application cost leads to different application field, besides above the new technology such as dragging jacking without excavation for pipeline less than DN700mm also is developed for the drainage pipeline construction.
     根据塑料排水管的不同材质、不同结构和制造的经济性确定了各自的适用范围,并且又开发出新的使用途径,比如非开挖牵引顶进技术的使用填补了市政排水工程不能顶DN700mm以下管径的空白。
短句来源
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  “without excavation”译为未确定词的双语例句
     These methods and equipment can be used in respective or combined mode to inspect the position and size of holiday of the protective coating without excavation.
     这些方法和设备可分别或同时用于管道不开挖检测防腐层破损点的位置以及漏点大小。
短句来源
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  without excavation
In these cases nest re-use did not differ essentially from the solitary foundation of a new nest, except for the adoption of a pre-existing nest without excavation.
      
It must be stressed however that without excavation the identification of these crop-marks as souterrains remains unconfirmed.
      
Fire hydrants usually are manufactured so maintenance of the valve can be accomplished without excavation.
      


The in-situ rehabilitation of seriously corroded pipelines without excavation will save numerous money for oil fields, and will result in great social and economic efficiencies. This paper proposes a technical scheme for rehabilitating pipelines using polymer cement mortar lining as the reinforcing layer, using the epoxy daub coating as the transitional layer, and using the steel scale coating as the main corrosion prevention layer, This paper also detailedly introduces the researches on the lining materials...

The in-situ rehabilitation of seriously corroded pipelines without excavation will save numerous money for oil fields, and will result in great social and economic efficiencies. This paper proposes a technical scheme for rehabilitating pipelines using polymer cement mortar lining as the reinforcing layer, using the epoxy daub coating as the transitional layer, and using the steel scale coating as the main corrosion prevention layer, This paper also detailedly introduces the researches on the lining materials and on the three-layer composite structure, and also introduces the initial applications of this technology in oil fields.

腐蚀严重的集输油管线不开挖就地原位修复再生,将为油田节省大量资金,具有显著的社会效益和经济效益。本文提出了以聚合物水泥砂浆作为加固层、环氧胶泥类材料作为过渡层、钢磷片涂料作为主防腐层的复合衬里结构修复旧管线的技术方案,并就衬里材料研究、三层复合结构研究以及该技术在油田的初步应用情况进行了详细介绍。

The density measurement of rockfill object by additive mass method has threemain steps. First the rockfill object is equated to a single free linear spring edificeand we can get the vibrating mass by additive mass method. Second, let the kineticenergy of the additive mass equal to the integration of the continuous meditimvibrating kinetic energy of the rockfill object wilson a certain depth underground.Then the analytic formula of the rockfill object is derived. Third, the density of therockfill object is got...

The density measurement of rockfill object by additive mass method has threemain steps. First the rockfill object is equated to a single free linear spring edificeand we can get the vibrating mass by additive mass method. Second, let the kineticenergy of the additive mass equal to the integration of the continuous meditimvibrating kinetic energy of the rockfill object wilson a certain depth underground.Then the analytic formula of the rockfill object is derived. Third, the density of therockfill object is got by measuring the vibrating mass and the wavelength oflongitudinal elastic waves of the rockfill object. This method got sahsfastory results inthe Yellow hiver Xiaolangdi Multipurpose Dam Project. This method is to measurethe medium density in situ without excavation and sampling. So it is simple andconvenient tO operate. It can be used to measure the densities of not only rockfillobject but also gravel, sand and all kinds of soil.

为研究堆石体的密度测定问题提出本文方法,有3个主要环节:其一,将堆石体等效为单自由度线性弹簧体系,用附加质量的方法求堆石体的参振质量;其二,令参振质量的动能等于地面以下一定深度以内的堆石体连续介质振动动能的积分,导出堆石体密度的解析式;其三,通过测定参振质量、堆石体弹性纵波波长,求得堆石体密度.这种方法经黄河小浪底工程应用证明,效果很好.该方法属介质密度原位测定方法,不挖坑不取样,简便易行,不仅适用于堆石作密度的测定,对砂砾石、砂性土及各类土壤的密度测定亦均适用.

Small size tunnel driving is a construction technology of underground piping without excavation.The technology can reduce the obstruction on the ground to the maximum extent.Now,in the urban district or sensitive environment areas it is generally not permitted to excavating ditches for laying pipe network.Therefore,the demand of small size tunnel driving technology is going up every day.However,many persons aren't understand the technology,to use small size tunnel driving technology is difficult.It...

Small size tunnel driving is a construction technology of underground piping without excavation.The technology can reduce the obstruction on the ground to the maximum extent.Now,in the urban district or sensitive environment areas it is generally not permitted to excavating ditches for laying pipe network.Therefore,the demand of small size tunnel driving technology is going up every day.However,many persons aren't understand the technology,to use small size tunnel driving technology is difficult.It shall consider the driving strength and the condition limit. So to select an appropriate technology and method is very important.The paper discusses the application software for the underground piping laying technology and decision selection program in various site conditions.The software for decision program and the application tools are very useful for these persons who are not know the small size tunnel driving technology and can be used as a kind of checking tools for the planning persons with a rich experience.

小型隧道掘进是一种无需开挖的地下管道施工技术。该技术可以最大程度地减少地面上的干扰 ,当前 ,在市区或环境较敏感的区域 ,通常不大允许开挖沟渠敷设管网。因此 ,对小型隧道掘进技术的需求日益增加 ,然而 ,许多人还不了解该技术 ,决策采用小型隧道掘进技术一时很难作出 ,须考虑其挖掘强度和条件限制。因此 ,选择适当的技术和方法非常重要。本文论述了应用于各种不同的现场条件地下管道埋设技术及其选择决策程序软件。该决策程序软件及应用工具对小型隧道掘进技术不太熟悉的决策者来说很有用 ,对于经验丰富的规划者可以作为一种核查工具

 
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