Rectangular circulating support working well and construction method thereof
A working well and rectangular technology, which is applied in shaft equipment, earthwork drilling, wellbore lining, etc., can solve problems such as deformation, limited rigidity of working well support, and failure of support plates to fit the well wall, etc., so as to improve support rigidity Effect
Active Publication Date: 2021-01-29
西安市恒兴市政工程公司
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Problems solved by technology
The patent adopts the inner ring I-beam and the outer ring I-beam to fix together. Since there is an outer ring I-beam between the well wall and the support plate, the support plate cannot fit the well wall, which leads to the support stiffness of the working well. Limited, there is still a risk of deformation
[0005] In view of this, it is necessary to improve the existing working well to solve the problems that the support plate fits the well wall and improves the stability of the working well
Method used
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[0056] The present disclosure will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations to the present disclosure, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present disclosure.
[0057] In describing the embodiments of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this Inventions and simplified descriptions do not indicate or imply that the device or ...
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The invention provides a rectangular circulating support working well and a construction method thereof, and relates to the field of rectangular well construction. The problem of repeated utilizationof support devices can be solved. The rectangular circulating support working well comprises at least two rectangular working pits and a set of support devices, and the lengths, the widths and the depths of the support devices can be adjusted; one rectangular working pit is selected for supporting by the same set of supporting devices, and the rectangular working pit is supported by the supportingdevices while being excavated; and after the supporting devices finish supporting of the current rectangular working pit, the supporting devices are detached from the rectangular working pit and moved to the position near the other rectangular working pit, the other rectangular working pit is excavated, and the other excavated rectangular working pit is supported by using the supporting devices at the same time. The construction method is applied to the supporting devices. By adjusting the number and the sizes of beam blocks and protection plates, the supporting devices can be repeatedly used, and then the supporting devices can adapt to the rectangular working pits of different sizes.
Description
technical field [0001] The present disclosure relates to the field of pipe jacking working wells, in particular to a working well with rectangular circulating support and a construction method thereof. Background technique [0002] Pipe jacking construction belongs to the non-excavation construction method, which is a pipeline burying construction technology with no excavation or less excavation. Pipe jacking construction is to use the jacking force generated by the jacking equipment in the working well to overcome the friction between the pipeline and the surrounding soil, push the pipeline into the soil according to the designed slope, and transport the earth away. After one section of pipe has been jacked into the soil layer, the second section of pipe will continue to be jacked. Its principle is to push the tool pipe or roadheader from the working well through the soil layer to the receiving well by means of the thrust of the main top oil cylinder, the pipeline room and...
Claims
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Login to View More IPC IPC(8): E21D5/00E21D5/06
CPCE21D5/00E21D5/06
Inventor 牟正平赵维杨欣史宝平吕艳勃王健颜文超高利芳
Owner 西安市恒兴市政工程公司