Fabricated arc-shaped truss device suitable for single structure deep foundation pit support and construction method
A technology for structures and deep foundation pits, applied in infrastructure engineering, excavation, construction, etc., can solve problems such as waste, and achieve the effects of reducing construction investment costs, simple structure, and reducing labor intensity
Active Publication Date: 2021-06-22
POWERCHINA HUADONG ENG COPORATION LTD +1
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Problems solved by technology
The invention is safe and reliable, has a simple structure, is convenient to install and disassemble, can be recycled and reused, and effectively solves the problem of waste of resources
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[0037] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the preferred embodiments of the present invention will be described below in conjunction with specific examples, but it should be understood that the accompanying drawings are for illustrative purposes only, and cannot be interpreted as an explanation of this patent. Restrictions; In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, some known structures and their descriptions in the drawings may Omissions are understandable. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.
[0038] Attached below Figure 1-8 and Examples further illustrate the present invention, but not as a basis for limiting the present invention. ...
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The invention discloses a fabricated arc-shaped truss device suitable for single structure deep foundation pit support and a construction method. The fabricated arc-shaped truss device comprises a truss structure which is connected to the top of a concrete top beam at the corner of a foundation pit in a lapped mode through a hanging plate, the truss structure is composed of a plurality of layers of truss structure units which are detachably connected through vertical rods, each layer of truss structure unit is composed of a plurality of arc-shaped ring beams which are detachably connected through horizontal straight rods, and the outer side edge of each layer of truss structure unit is detachably connected with a transverse main beam and a longitudinal main beam which are connected with the hanging plate. The fabricated arc-shaped truss device is safe, reliable, simple in structure, convenient to mount and dismount and capable of being recycled and reused, and effectively solves the problem of resource waste.
Description
technical field [0001] The invention relates to the technical field of foundation pit construction in construction engineering, in particular to an assembled arc truss device and a construction method suitable for the enclosure of deep foundation pits of single structures. Background technique [0002] During the excavation of foundation pits of individual structures, the depth of the general foundation pits reaches 10m-15m. Due to the deep excavation depth of the foundation pits and the distribution of various pipelines around the foundation pits in the city, the deformation control is relatively strict , because the self-stabilizing ability of the surrounding soil is poor, after using row pile support or even underground diaphragm wall support, in order to better control the deformation of the soil, it is necessary to add internal support inside the foundation pit, generally using steel bars Concrete temporary internal support, that is, after the leveling of the site and t...
Claims
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IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 刘占博钟伟斌邓渊任金明
Owner POWERCHINA HUADONG ENG COPORATION LTD