A main frame beam replacement structure and construction method

A main frame and main structure technology, which is applied in basic structure engineering, underwater structures, excavation, etc., can solve the problems of operator replacement of support construction, affecting on-site construction, and high material consumption, and achieves easy construction operation and increased size. The effect of lateral stiffness and construction quality assurance

Active Publication Date: 2022-05-10
CHINA FIRST METALLURGICAL GROUP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In the current construction technology of removing and replacing braces, due to the close distance between the basement exterior wall and the enclosure structure and the deep depth of the foundation pit, operators cannot carry out brace replacement construction in a narrow and dark space, which not only affects the work of the operators, but also The construction quality of the supporting components cannot be guaranteed, which also affects the overall progress of the construction
In order to solve this technical problem, the application number 201910635034.0 discloses a deep foundation pit support assembly type support replacement construction tool and construction method. The base plate, pre-removed internal support, upper pre-installed steel pipe assembly, assembled diagonal brace, lower pre-processed steel pipe assembly, and concrete pier are assembled into a single complete power transmission belt through the above components, but the construction period of this type of power transmission belt is long. It consumes a lot of materials and cannot be used as a permanent support structure. It can only be applied to the bottom plate of the foundation pit, and the scope of application is limited, which affects on-site construction.

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  • A main frame beam replacement structure and construction method
  • A main frame beam replacement structure and construction method
  • A main frame beam replacement structure and construction method

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are conventional methods, and the reagents and materials, if not otherwise specified, can be obtained from commercial sources; in the description of the present invention, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relations...

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Abstract

The invention discloses a main body frame beam replacement structure and a construction method, including an enclosure structure, an inner support structure, a main frame structure, and a replacement structure. The maintenance piles form a closed and independent underground space by engaging the piles ; The internal support structure supports the enclosure structure before the construction of the main frame structure; the main frame structure includes frame columns, frame beams, structural panels and basement exterior walls, and the frame beams include transverse frame beams and longitudinal frame beams; The braces are replaced at the transverse frame beams that interfere with the steel columns, and the brace replacement structure includes diagonal brace replacement beams and horizontal brace replacement beams. The invention designs a bracing structure system. When the position of the steel column overlaps with the frame beam, and the frame beam cannot be used as a bracing beam to transmit the lateral pressure of the foundation pit, the bracing beams are symmetrically constructed on both sides of the frame beam as a bracing beam to meet the requirements. The safety and stability of the foundation pit is required, and at the same time, the cost is saved to the greatest extent.

Description

technical field [0001] The invention relates to the technical field of brace replacement construction, in particular to a brace replacement structure of a main frame beam and a construction method. Background technique [0002] The principle of brace-removal construction technology includes two construction steps: brace-replacement and brace-removal. The core of the brace-removal construction technology is to meet the lateral pressure transmission of the foundation pit enclosure structure. In the current construction technology of removing and replacing braces, due to the close distance between the basement exterior wall and the enclosure structure and the deep depth of the foundation pit, operators cannot carry out brace replacement construction in a narrow and dark space, which not only affects the work of the operators, but also The construction quality of the supporting components cannot be guaranteed, which also affects the overall progress of the construction. In orde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D29/045
CPCE02D17/04E02D29/045
Inventor 龚俊肖涛涛徐攀王艳龙陈大为
Owner CHINA FIRST METALLURGICAL GROUP
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