Method of construction of stairs using precast concrete landing slabs and support systems

A technology of prefabricated concrete and support system, which is applied in the direction of stairs, building construction, construction, etc., and can solve problems such as inconvenient connection of spreaders and complicated production of pre-embedded iron parts

Active Publication Date: 2021-04-09
吉林省中鼎建筑设计有限公司
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  • Description
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Problems solved by technology

However, the pre-embedded iron parts of this scheme are complicated to make and it is inconvenient to connect the spreader, and there is still room for optimization in efficiency and cost

Method used

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  • Method of construction of stairs using precast concrete landing slabs and support systems
  • Method of construction of stairs using precast concrete landing slabs and support systems
  • Method of construction of stairs using precast concrete landing slabs and support systems

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Embodiment Construction

[0072] Methods of stair construction using precast concrete landing slabs and support systems such as Figure 1 to Figure 34 As shown, the construction is carried out by using the prefabricated concrete stair platform 3 and a support system for installing prefabricated concrete stairs, including the following steps, and the following steps are carried out in sequence,

[0073] Step 1. Preparation of precast concrete stair landing slabs

[0074] Such as Figure 3 ~ Figure 7 As shown, prepare the prefabricated concrete stair platform slab 3, set a blind hole tool 6 on the flat plate of the platform slab 3, set a blind hole tool 6 on the lugs at both ends of the stair beam of the platform slab 3, and the blind hole tool 6 adopts a pipe Preparation, the inner wall is provided with a threaded section, and the bottom is blocked; a support groove 4 is provided at the corresponding position at the bottom of the blind hole 6; the bolt hanger can be screwed into the blind hole 6 on the...

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Abstract

The stair construction method using prefabricated concrete stair platform slabs and support systems belongs to the technical field of civil engineering. The blind hole tool for prefabricated concrete stair platform slabs of the present invention has multiple functions, and is used for demoulding in the stage of preparing precast concrete stair platform slabs. It is also used for the lifting of the transportation and installation of precast concrete stair platform slabs, and then for the installation and fixing of the bottom of the support system, and also for the installation and connection of precast concrete stair sections and stair platform slabs; the installation of precast concrete staircase support system main support bottom bolts The pins, the pins at the bottom of the secondary support and the support grooves at the bottom of the precast concrete stair landing slab jointly provide a more stable, safe and reliable guarantee for the support system of the precast concrete staircase. Through these technical means, not only the full assembly of the concrete stairs is realized, which is more beneficial to environmental protection, but also the quality of the stairs is better, the construction efficiency is improved, and the construction cost is low.

Description

technical field [0001] The invention belongs to the technical field of civil engineering and relates to a prefabricated building, in particular to a stair construction method using a prefabricated concrete stair platform board and a support system. Background technique [0002] It is not easy to guarantee the construction quality of construction stairs, low efficiency, labor and time-consuming, and high construction costs, which are common phenomena in the construction process of stairs. It has become a consensus in the industry that stairs are constructed in a prefabricated manner with the advantages of high quality, high work efficiency, low construction cost, and environmental friendliness. [0003] However, most of the technical solutions currently on the market are limited to the assembly of stair sections, and the quality, efficiency, and cost are still unsatisfactory; there are technical solutions that include the simultaneous assembly of stair platforms, but the impl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04F11/02E04G13/06
CPCE04F11/02E04G13/06E04G13/062
Inventor 孟凡林孟祥瑞吴永亮徐帅金益成
Owner 吉林省中鼎建筑设计有限公司
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