Non-excavation technical measures According to the classification of construction, non-excavation technical measures can be divided into: guided drilling and pipe laying technology, shovel shuttle pipe laying technology, pipe jacking machine pipe laying technology, pipe jacking technology.
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1 Guided drilling and pipe laying technology
(1) Construction advantages: 1 guide instrument orientation, fast and efficient and accurate; 2 easy to control drilling direction, simple construction site requirements; 3 combination of guiding detection and pipeline detection to effectively adjust the drill bit and avoid the pipeline, suitable for construction under complex formation conditions.
(2) Scope of application: laying electric power, communication, gas and tap water pipelines, the pipe diameter, length and material range are wide, suitable for pipe diameters below 1000mm, mainly PE pipe laying and steel pipe laying.
2 穿 穿 矛 矛 铺
(1) Construction method: 1 pull tube method; 2 top tube method.
(2) Construction advantages: 1 large impact force, strong penetrability; 2 fast speed, short construction period; 3 can pass through mud and sand and pebble belt; 4 suitable for all kinds of pipes.
(3) Scope of application: 1 is suitable for laying various types of 13 ~ 150mm; 2 small pipe diameter length 3 pipe jacking machine pipe laying technology
(1) Advantages: 1 high power, high efficiency; 2 using mud-water balance tunneling construction method, can carry out large-diameter ultra-long construction; 3 noise is small, no pollution.
(2) Scope of application: tunnels, culverts and large diameter pipes.
4 pipe laying technology
(1) Equipment: 1 guiding detector; 2 guiding drilling machine; 3 hydraulic pipe jacking machine.
(2) Construction method: 1 guide drilling orientation; 2 hydraulic jacking, manual excavation.
(3) Advantages: 1 low cost; 2 accurate orientation, high precision, safety, no noise pollution; 3 can be applied to various geological conditions; 4 suitable for large-caliber small-scale small-scale construction of various pipelines.
(4) Scope of application: It is suitable for laying steel pipes, concrete pipes, cast iron pipes and other material pipes within 3000mm.
Bazhou Lutong Engineering Co., Ltd.: http://://news.chinawj.com.cn Submission:
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