对我国非开挖技术的现状进行了论述。
At last this paper discusses the status in quo of trenchless technology.
地下气动穿孔机是一种新型的非开挖施工机械。
The underground pneumatic perforation machine is the new type non-excavating machinery.
本文介绍了一种新型非开挖施工机械———液动穿孔机。
This paper describes a non - excavating construction machine - hydraulic perforator.
论述了非开挖水平导向钻进法在实际应用中的主要问题。
The main problems on horizontal directional drilling method of non-excavation in the practical applications were reviewed in the paper.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
The horizontal direction drilling technology is a new one in modern non-excavating construction.
介绍了非开挖钻杆管端加厚生产线自动控制系统的设计。
The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.
介绍了采用定向钻非开挖技术的基本工作原理与设备组成。
The basic work principle and equipment composition of non-excavation technique of directional drilling machine have been introduced in this paper.
本次 毕业设计是关于FDP-15非开挖钻机的设计。
The graduation project is on the FDP-15-dig drilling rig design.
阐述了排水管网的非开挖修复技术及排水管道内窥检测技术。
The two techniques, non-excavation recovery technique and endoscope detection technique of drainage pipe net were put forward.
地层和地下管网条件复杂是影响非开挖导向钻进质量的重要因素。
Complicated formation condition and underground pipe network condition are the important factors that influence the quality of guided drilling of trenchless technology.
导向孔的施工是非开挖施工的关键，它决定着非开挖的成功与否。
The oriented hole construction technique is key in no dig engineering, it decides the success or defeated of no dig engineering.
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
定向穿越技术是管线铺设过程中先进的非开挖施工技术，具有很多优点。
It has many advantages for directional drill to lay down pipeline and directional drill is an advanced no-excavation construction method.
在非开挖工程中，水平定向钻进技术广泛应用于城市地下管线铺设工程。
Horizontal Directional Drilling technology is widely used in urban underground pipe laying engineering.
论文论述在城镇雨污分流工程中采用非开挖技术需要工程勘察的内容和要求。
The paper discussed the requirement and significance of engineering investigation for the application of trenchless technology in the diversion of rain and sewage of urban drainage system.
由于地下的不确定性，特别是在拥挤的城市，非开挖施工常面临极大的风险。
Trenchless construction faces significant risks due to uncertainty underground, especially in a congested city.
由于地下的不确定性，特别是在拥挤的城市，非开挖施工常面临极大的风险。
Trenchless construction faces significant risks as underground uncertainty, especially in a congested city.
随着环境问题越来越受到重视，作为非开挖的顶管施工技术应用也越来越广泛。
With the environment getting more attention, the use of not-dig pipe jacking technology has become more extensive.
南京路可工程技术有限公司是国内较早从事非开挖技术研究开发的高科技企业。
Nanjing LOOK engineering tech co., Ltd is the high science and technology corporation that is the earliest research trenchless technology.
采用非开挖施工技术敷设各种地下管线，可大大降低交通、噪音、粉尘对城区环境的影响。
To lay various kinds of underground pipes by non-excavation construction technology can greatly reduce the influence of traffic, noise and dust on the environment in the urban districts.
冲击矛技术作为非开挖技术的一个重要手段，由于其自身所具有的一些优势而被广泛采用。
As one of important methods of trenchless technology, impacting mole has been widely used because of some of its special advantages.
实践证明，非开挖水平定向钻进技术相对传统的开挖技术在特定条件下具有明显的优越性。
The practice proves that comparing with conventional excavation technique, non -excavating horizontal directional drilling technique is obviously advantageous.
提出了一种应用于非开挖管线测量，在已知离散点曲率的情况下进行空间曲线重构的方法。
A reconstruction method of using the discrete curvature data for space curve was proposed on underground pipeline detection.
近十年来，非开挖定/导向钻进技术用于敷设城市地下管线在我国得到了极大的推广应用。
The technique of underground pipeline laying with guided/directional drilling is technologically intensive and eco-friendly.
目前最流行的非开挖铺管技术为导向钻进法，但这种施工法在流砂地层施工时容易发生塌孔。
At present, the most popular trenchless pipeline installation method is guided boring, but in the guided boring cave-in of the borehole wall eternally are encountered in quicksand formation.
在非开挖工程中，计算出当前工艺条件下的铺管阻力、选择正确的铺管方法是整个工程成败的关键。
Calculation for pipelaying resistance in current construction conditions to choose correct pipelaying method is the key for project success in trenchless technology.
非开挖反向回拉扩孔施工过程中时常出现钻杆正转而发生退扣，造成钻具孔内脱落事故的反常现象。
The dropping buckle usually occurs when reverse pulling is used for expanding the bore in the trenchless construction, thus causing the fall-off of the drilling tools.
用非开挖方式向钢管道内穿插薄壁聚乙烯内衬是目前可选择的恢复旧燃气管道使用功能的最好方法。
It is a best method selected possibly nowadays for recovery of function of an old gas pipeline to insert a thin-walled polyethylene lining into a steel pipeline by the way of non-excavation.
微型顶管隧道作为一种非开挖地下管线敷设技术，在城市地下管线改造中日益显示出巨大的优越性。
As a trenchless technology for laying pipeline, pipe-jacking tunnel technology is increasingly displaying the enormous superiority in pipeline reconstruction.
介绍了城市电网建设工程中各种电力电缆的敷设方式及其特点，对非开挖电力电缆敷设方式进行技术经济比较。
This paper describes the characteristics of cable-laying-manners, and compares technical economy of trenchless technology in urban electric network engineering construction.
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