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Construction method of novel inner support of foundation trench

A construction method and technology of foundation pit, which is applied in basic structure engineering, excavation, construction, etc., can solve problems that are difficult to ignore, and achieve the effect of convenient and fast construction and outstanding economic benefits

Active Publication Date: 2013-08-14
郑鸿彰
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Problems solved by technology

It can be seen that the current two internal support designs and construction methods have their own defects, and they have not fully weighed the time, economy and environmental factors in the construction process, especially in the case of larger foundation pits and more towers. The disadvantages of these two foundation pit support construction methods are more prominent and difficult to ignore

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  • Construction method of novel inner support of foundation trench
  • Construction method of novel inner support of foundation trench
  • Construction method of novel inner support of foundation trench

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Embodiment Construction

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0035] like Figure 1a to Figure 1c As shown, it is a comparative schematic diagram of the inner support structure in the forward method (A type construction method), the reverse method (B type construction method) and the new foundation pit inner support construction method (C type construction method) of the present invention, here, The inner support structure includes a horizontal inner support structure and a vertical inner support structure. Among them, in Figure 1a The thick line part in the middle represents the inner support structure of the construction method of class A, and the remaining dotted line part is the inner support structure of class B and C, which is used for comparison and distinction; Figure 1b The thick line part in the figure represents the internal support structure of the B-type construction method, and the remaining dotted ...

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Abstract

The invention relates to a construction method of a novel inner support of a foundation trench. The construction method includes that an existing transverse inner support beam is transformed into a transformative support beam through design and construction to serve as a part structure of a beam and / or a plate and / or a column of a main structure; after construction on the main structure related to and connected with the transformative support beam meets related requirements, the main structure connected with the transformative support beam is used for performing support exchanging with the transformative support beam; and a longitudinal support column of the transformative support beam is removed. With the construction method, not only requirements on a support structure but also on convenient and quick subsequent construction along with environmental factors, financial cost and other design and use can be met; when measured from integrated prospective, the construction method is prominent in economic efficiency, and environmental problem and difficulties in construction operation are considered in general.

Description

technical field [0001] The invention belongs to the field of underground construction engineering, relates to a construction method of a foundation pit supporting structure, and is especially suitable for the construction of large-area deep foundation pit engineering with strict requirements on surrounding environment. Background technique [0002] There are currently two common construction forms for support in the foundation pit. One is the reverse method (hereinafter referred to as the B-type construction method), which is an effective method for the construction of multi-storey basements of high-rise buildings and other multi-storey underground structures. like Figure 1b The lateral inner support structure 12 is shown in reverse. This type of method uses the transverse beams and vertical columns of the main structure as the support structure, and the support does not need to be removed. Because the supporting structure is the main structure beam and column, the design ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
Inventor 郑鸿彰
Owner 郑鸿彰
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