Super long-distance pipe jacking structure and construction method in complex environment
A technology of complex environment and construction method, which is applied in the direction of earthwork drilling, pipeline laying and maintenance, pipe/pipe joint/pipe fitting, etc. It can solve the problems of high construction cost and slow jacking speed, so as to simplify the construction steps and use the quantity The effect of reducing and reducing construction costs
Active Publication Date: 2022-06-24
ANHUI XINLU CONSTR ENG GRP
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Problems solved by technology
[0005] Based on this, this application provides a complex environment ultra-long-distance pipe jacking structure and construction method to solve the problems of slow jacking speed and high construction cost in the related art. The pipe jacking structure is simple, the construction speed is fast, the construction quality can be effectively improved, and it has good economic and technical benefits
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[0054]In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be noted that when a component is considered to be "mounted on" another component, it may be directly mounted on the other component or there may also be an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may also be an intervening component.
[0055] In the embodiments of the present invention, construction technical requirements such as steel pipe welding and cutting, reinforcement cage binding, and concrete pouring will not be repeated, and the embodiments of the presen...
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The invention relates to an ultra-long-distance pipe jacking structure and construction method in a complex environment, including construction of a working well, construction of a pressing wall in the middle, construction of oblique supports, installation of pressure sensors, displacement sensors and strain gauges, mud circulation system, electrical Line system construction, jacking equipment, receiving well construction, mud-water balance pipe jacking machine hoisting, synchronous hoisting of pipe joints, synchronous jacking construction, equipment removal, earth backfilling. In the present invention, a working well is set in the middle of the pipeline, and a receiving well is respectively set on both sides of the pipeline, so that the two pipe jacking machines can work in reverse at the same time, so that the construction speed is doubled, and the construction period is about half of the traditional method; With the shortening of the entry distance, the number of relay rooms is also greatly reduced, which not only reduces the construction cost, but also simplifies the construction steps, which has obvious technical advantages and economic benefits.
Description
technical field [0001] The invention belongs to the technical field of pipeline construction, and particularly relates to an ultra-long-distance pipe jacking structure and a construction method in a complex environment. Background technique [0002] With the continuous and stable growth of my country's economy and the further acceleration of the urbanization process, the demand for underground pipelines in my country is also increasing year by year. Coupled with the enhancement of people's awareness of environmental protection, pipe jacking technology will play an increasingly important role and role in the construction of underground pipelines in my country. After years of development, pipe jacking technology has comprehensive functions of economy, high efficiency and environmental protection, and has been widely used in practical engineering in my country. [0003] Pipe jacking construction types are divided into hand excavation type, extrusion type, mud-water balance typ...
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IPC IPC(8): F16L1/028F16L1/06E21D9/10
CPCF16L1/028F16L1/06E21D9/10
Inventor 薛鸿儒余艮乐岳振吴翔张海涛芮兵杰闫雪松张凯吴新春
Owner ANHUI XINLU CONSTR ENG GRP