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Research on design technology of composite insulation integrated production line without disassembly of external formwork
Insulation structure system design requirements
Engineering design of composite insulation formwork insulation system engineering design should comply with the following principles
Frame structure and shearing The cast-in-situ concrete components of the force wall structure are designed in accordance with the current "Code for Design of Concrete Structures", "Code for Seismic Design of Buildings" and other relevant standards and regulations.
The thermal insulation design of the outer envelope structures such as column shear walls is made of cast-in-situ permanent composite exterior formwork. The outer envelope infill wall is made of automatic insulation blocks and is on the same vertical facade as the outside of the composite insulation formwork.
The internal partition wall design uses new wall materials such as aerated concrete blocks, lightweight aggregate concrete hollow blocks.
The energy-saving design and thermal calculation of the composite external formwork insulation system construction project are designed in accordance with the regulations of Shandong Province's "Energy-saving Design Standards for Residential Buildings" and the "Energy-saving Design Standards for Public Buildings".
The design of the self-insulating masonry matched with the composite insulation formwork in the building envelope should comply with the masonry design regulations of the corresponding country and Shandong Province.
The composite exterior formwork insulation system and the main wall surface of the exterior wall infill wall should be designed according to the ordinary plastering practices for exterior walls. Anti-crack plastering mortar should be used, with a thickness of generally .
The strength check of composite insulation formwork should consider the standard value of the pressure measurement of newly poured concrete acting on the formwork. The calculated value of the lateral pressure of newly poured concrete is the smaller value in the following formula
 ̄
Among them, the gravity density of concrete is taken as
The initial setting time of newly poured concrete is taken as + when there is a lack of data.
Temperature of concrete entering the mold
Concrete pouring speed,
The total height from the concrete lateral pressure calculation position to the top surface of the newly poured concrete is the positive coefficient affected by additives. When no additives are added, the coefficient with slow When the admixture for setting is used, the correction coefficient for the influence of concrete slump is taken. When the slump is less than slump, the slump is ~, the slump is ~, and the deformation value of the composite insulation formwork is the formwork component. Calculates span /.
Node structure design of the thermal insulation structure system
At the joints of the composite thermal insulation formwork and the intersection with the self-insulating masonry, polymer mortar and alkali-resistant fiber mesh should be used to resist cracking before plastering.
In addition to the main wall surface of the composite exterior membrane board insulation system, the thermal insulation slurry system should be used for masonry parapets, door and window openings, balcony awning air conditioner partitions, protruding waistlines and other thermal bridge parts.
Special part structure of composite external formwork insulation system.
Composite insulation template splicing.
The intersection of composite insulation board and self-insulating masonry.
The design structure of the yin and yang corners.
Design and structure of door and window openings.
Disassembly-free construction formwork equipment integrated board