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Layered construction method for oversized concrete beam of structural transfer floor of high-rise building

A technology of structural transfer layer and layered construction, which is applied in building structures, beams, buildings, etc., can solve the problems of great influence on the quality of poured beams and slabs, large investment of formwork steel pipes, and large hydration heat and temperature rise. To achieve the effect of reasonable flow rhythm arrangement, construction quality assurance, and reduction of pouring and ramming sections

Active Publication Date: 2014-09-24
ZHEJIANG QINYE COUNSTRUCTION GRP CO LTD
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AI Technical Summary

Problems solved by technology

A large amount of steel pipes are invested in the formwork, and the load-bearing support has a great impact on the quality of the cast beams and slabs under the construction layer. When pouring and tamping super-large cross-section beams, the heat of hydration rises greatly, which is prone to temperature-varying cracks

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  • Layered construction method for oversized concrete beam of structural transfer floor of high-rise building
  • Layered construction method for oversized concrete beam of structural transfer floor of high-rise building

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with specific examples, but the protection scope of the present invention is not limited thereto.

[0027] Such as figure 1 and figure 2 Shown, the layered construction method of high-rise building structure transfer layer concrete super-beam of the present invention may further comprise the steps:

[0028] (1) Measure and lay out the construction site, and then bind the steel bars of the vertical members on the one hand, and then set up the formwork 1 of the vertical members after binding, and then pour the concrete of the vertical members, that is, pour the wall columns at the lower part of the transfer beam , the concrete strength of the wall column at the lower part of the transfer beam is ≥80%; on the other hand, the load-bearing frame is erected, and the load-bearing frame is a load-bearing formwork steel pipe 2, and the calculated load required for the erection of the load-bearing formwork acc...

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Abstract

The invention relates to a layered construction method for an oversized concrete beam of a structural transfer floor of a high-rise building. The method comprises the following steps: (1) measuring a construction site and paying off, binding a vertical component reinforcing steel bar, then supporting a vertical component template, and then pouring vertical component concrete; erecting a bearing frame, then laying a bottom die of a beam-slab, and then binding a beam reinforcing steel bar; (2) installing a side die and a plate die of the beam-slab; (3) pouring the lower beam concrete for the first time, then binding a plate reinforcing steel bar and reserving and pre-burying water and electricity lines and maintaining concrete for the first time; and (4) pouring the upper beam plate concrete for the second time, then maintaining concrete, and removing the template. By adopting concrete pouring and reinforcing steel bar binding of the method, the running water beats are reasonable, so that the construction period is shortened, the construction safety is improved, and the construction cost is also lowered.

Description

technical field [0001] The invention relates to a layered construction method for concrete super-beams in transfer floors of high-rise building structures, which is suitable for the construction of concrete beams with transfer layer heights exceeding 1.5 meters in high-rise building structures. Background technique [0002] With the process of urbanization, high-rise buildings integrating commercial and residential buildings are emerging, that is, the lower floors are used for commercial use, and the upper floors are used as residential buildings. Due to the difference in the layout of commercial buildings and residential buildings, there is a conversion layer in the structure. That is commonly referred to as the overhead foundation, the basic structure of the residential building is designed on the top floor of the commercial building. The beam used as an overhead foundation has a large design section, a large span, and a large floor height, making construction difficult. ...

Claims

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Application Information

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IPC IPC(8): E04C3/20E04G21/00
Inventor 王贵祥徐亮
Owner ZHEJIANG QINYE COUNSTRUCTION GRP CO LTD
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