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Mounting method of precast air duct during construction stage of construction engineering structure

A construction stage and construction engineering technology, applied in the direction of building components, building structures, buildings, etc., can solve the problems of difficult handling of details, affecting waterproof construction, and excessive use of materials, so as to avoid hidden dangers of floor leakage and eliminate leakage Hidden dangers, the effect of improving labor efficiency

Active Publication Date: 2014-02-12
POWERCHINA CONSTR GRP
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  • Claims
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AI Technical Summary

Problems solved by technology

This construction method has certain deficiencies: (1) Since it is installed after the structural construction is completed, the front and rear processes are not closely connected, which affects the construction progress of the roof
Waterproof construction is a key construction process in roofing engineering. The construction progress of the smoke duct affects the waterproof construction. The current construction method is affected by the construction of the smoke duct in terms of progress; It is difficult to deal with the part where the wall is attached to the wall, which will affect the quality of indoor waterproofing
During the installation process of the smoke duct after the structure is completed, because the wall has been completed, the part where the smoke duct is close to the wall is not easy to be completely sealed and compacted, leaving hidden dangers of water seepage; (3) When the smoke duct is installed later, Need to do a series of work such as "reserved opening treatment, vertical air duct, temporary fixation, formwork support, pouring micro-expansion concrete and formwork removal", which requires more labor and time; (4) The materials to be used are more used

Method used

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  • Mounting method of precast air duct during construction stage of construction engineering structure
  • Mounting method of precast air duct during construction stage of construction engineering structure
  • Mounting method of precast air duct during construction stage of construction engineering structure

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Embodiment Construction

[0030] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0031] The prefabricated smoke duct installation technology in the construction stage of the construction project is based on the on-site assembly of the bottom form of the floor slab, and the installation of the smoke duct is interspersed with the construction process. In the installation preparation process, first order the smoke duct 7 and make the temporary cover plate 1 for the smoke duct on site. The model and cross-sectional size of the smoke duct meet the design requirements. The length of the smoke duct on the first floor = floor height - 20mm, and the length of the smoke duct on each floor above the second floor = floor height - 5mm. The temporary cover plate is made of existing materials on site (such as bamboo plywood, multi-layer film-coated board or wooden board), and the size of the panel 12 of the cover plate is 30mm larger...

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Abstract

The invention provides a mounting method of a precast air duct during the construction stage of a construction engineering structure. According to the method, original procedures are changed, the air duct mounting operation is performed after main structure wall construction, and the air duct mounting operation and the top plate template mounting are performed together, each procedure in the existing construction method is omitted, synchronous air duct mounting and main structure construction progress can be achieved on the premise of not increasing construction materials and working hours, and the waterproof construction progress and quality of a roof are better ensured.

Description

technical field [0001] The invention relates to a structural construction and an installation method of internal components in a residential building, in particular to a construction method suitable for the installation of various prefabricated flue ducts. Background technique [0002] At present, the installation of prefabricated air ducts in domestic construction projects is usually carried out after the construction acceptance of the main structure. There are certain deficiencies in this construction method: (1) Since it is installed after the structural construction is completed, the front and rear processes are not closely connected, which affects the construction progress of the roof. Waterproof construction is a key construction process in roofing engineering. The construction progress of the smoke duct affects the waterproof construction. The current construction method is affected by the construction of the smoke duct in terms of progress; It is difficult to deal w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/00E04F17/02E04F17/04
Inventor 罗钢隗功潮金国倪树义车建波汪涛
Owner POWERCHINA CONSTR GRP
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