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Construction Technology Control Of Trenchless Pipe Jacking Mud-water Balance Method

Construction Technology Control Of Trenchless Pipe Jacking Mud-water Balance Method

With the acceleration of the urban process in China, the construction of underground pipelines is getting bigger and bigger, and the people’s awareness of environmental protection has increased. Pipe jacking technology is playing an increasingly important role in the construction of underground pipelines. It can pass through urban roads, ground buildings, underground structures and various underground pipelines without large-scale excavation …

The Ratio Of Mud To Different Soil Layers For Trenchless Construction

The Ratio Of Mud To Different Soil Layers For Trenchless Construction

The mud used in the construction of horizontal directional drilling rigs in China is mainly composed of bentonite, which is easy to produce hole collapse and stuck drill problems, which causes the failure of horizontal directional drilling. Aiming at the reasons for failure in drilling, drawing on the drilling mud technology of the petroleum industry, combining the changeable surface soil …

Trenchless Directional Drilling Knowledge

Trenchless Directional Drilling Knowledge

As early as around 1600 AD, there were bamboo brine pipes crossing rivers in Sichuan, China. In 1888, the United States used buoys to lay underwater pipelines. Directional drilling pipe laying technology is an advanced pipe laying technology developed abroad in the 1980s. This technology is an advanced non-excavation technology widely used internationally. It uses directional drilling under the soil …

Preparation Work Before The Start Of Trenchless Drilling

Preparation Work Before The Start Of Trenchless Drilling

Before the trenchless drilling rig starts construction, the following preparations must be made to ensure the smooth progress of the construction: 1. Construction site detection: Use detection instruments to find out the direction, depth and nature of the original underground pipe network, and make a mark; then verify with the help of municipal archives and manual on-site surveys. 2. Check …

Application of Small Trenchless Drilling Machine in Crossing Construction of Granite Stratum

Application of Small Trenchless Drilling Machine in Crossing Construction of Granite Stratum

The use of horizontal directional drill crossing technology for pipeline crossing construction is an ideal construction method for completing water and electricity pipeline network construction and communication optical cable laying under the principle of not destroying the landform and protecting the environment in urban municipal construction. In the past ten years, horizontal directional drilling crossing technology has been widely used …

Horizontal Directional Drilling Rigs Can Lay Underground Pipelines Without Digging The Ground

Horizontal Directional Drilling Rigs Can Lay Underground Pipelines Without Digging The Ground

We often find that roads are often dug up in the cities where we live. Whether it’s a newly built road or a road that has been used for a period of time, we always feel that the roads around the place of residence are not complete. They are excavating and repairing every day to allow travel at all. It …

Horizontal Directional Drilling And Construction Characteristics

Horizontal Directional Drilling And Construction Characteristics

1. What is horizontal directional drilling? Horizontal directional drilling rig is a construction machine that lays a variety of underground utilities (pipes, cables, etc.) without excavating the ground surface. It is widely used in flexible pipelines such as water supply, electricity, telecommunications, natural gas, gas, and oil. During paving construction, it is suitable for sand, clay, and other ground conditions, …

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11 Technical Difficulties In Horizontal Drilling

Trenchless construction: 11 technical difficulties of horizontal drilling 1. Stuck drill Stuck drilling is a common technical difficulty in hole reaming. In case of stuck drilling, analyze the cause and deal with it. 1. When colliding with the underground pipeline, the drill bit is stuck, the drill bit is pulled out, the drill pipe is pulled back, the drill rig …

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Choose A Good Classification When Buying A Horizontal Directional Drilling Rig

In the classification of horizontal directional drilling rigs, this hydraulic type and the pipe jacking of the earth pressure balance type are both very good practices when they are used. When people use them rationally, they can indeed bring better results. Some good advantages, this classification can be better used according to the distinguishing aspects of people’s use, so people …

Track Line Design Of Trenchless Drilling Rig

Track Line Design Of Trenchless Drilling Rig

In the directional drilling process of trenchless drilling rigs, the drill bit moves in two ways, reverse drilling and only pushing. When reverse drilling, the direction does not change, and the orbit line is a straight line; when pushing, the law changes, and the orbit force is in the underground space curve. In this way, the entire drilling track is …

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    Wuhan Yichao Technology Equipment Co., Ltd. is a professional supplier of horizontal directional drilling rigs. We are XCMG authorized distributor and has nearly 10 years of trenchless pipeline experience.

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