Prefabricating device for high-rise building bidirectional prestressed plate and construction method
A high-rise building and prestressing technology, applied in the direction of supply devices, unloading devices, manufacturing tools, etc., can solve the problems of low construction efficiency and uncompact prefabrication process
Pending Publication Date: 2021-04-09
广西建工集团第二安装建设有限公司 +1
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Problems solved by technology
[0004] The purpose of the present invention is to provide a prefabricated device and construction method of two-way prestressed slabs in high-rise buildings, aiming to solve the technical problems of uncompact prefabricated process and low construction efficiency of two-way prestressed slabs in the prior art
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[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0034] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...
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The invention discloses a prefabricating device for a high-rise building bidirectional prestressed plate and a construction method. Retard-bonded prestressed reinforcements are machined and manufactured by using a retarding die assembly, then the retard-bonded prestressed reinforcements are bound into a prefabricated plate frame, and the retard-bonded prestressed reinforcements are arranged in a staggered manner through a plurality of groups of anchoring buckles; and longitudinal prestress tensioning is conducted after binding, then concrete pouring is conducted, longitudinal prestress tensioning and transverse prestress tensioning are conducted according to design requirements after maintenance is completed, the tensioning state is kept till the retard-bonded prestressed reinforcements are gradually hardened, the exposed retard-bonded prestressed reinforcements are trimmed and anchored through concrete gravel, and finally demolding is conducted after maintenance. According to the prefabricating device, by using the prefabricating device to integrate and cooperate with the construction method, the technical problems that in the prior art, the prefabricating procedures of the bidirectional prestressed plate are not compact, and the construction efficiency is low are solved.
Description
technical field [0001] The invention relates to the technical field of construction engineering, in particular to a prefabricated device and a construction method of a two-way prestressed slab for a high-rise building. Background technique [0002] In recent years, with the continuous acceleration of the urbanization process, the construction scale of high-rise buildings has continued to expand, and the number of buildings has increased day by day. People also have higher requirements for the safety and quality of buildings. In the construction of multi-storey, high-rise or ultra-long concrete construction projects, concrete often has quality problems such as cracks due to load, temperature or shrinkage effects. This problem can be significantly improved by prestressed concrete construction technology. [0003] By setting prestressed steel wires longitudinally, under the condition of tensioning the prestressed steel wires, the fine stone concrete at the lower part of the sla...
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Login to View More IPC IPC(8): B28B1/14B28B23/04B28B23/02B28B13/02B28B13/06B28B17/00
CPCB28B1/14B28B13/026B28B13/067B28B17/00B28B23/024B28B23/04B28B23/043
Inventor 梁仪罗亮莫雄清韦鸿梅林秋蕙覃正华颜燕
Owner 广西建工集团第二安装建设有限公司