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Factors affecting HRC design:
Natural force: wind, water, heat, earthquake
Other: fire, sound, electrochemical corrosion, corrosion, carbonation
Building structure: reinforced concrete frame, steel structure, cast-in-place shear wall, masonry structure
Limit state design
Typical HRC initial performance and aging performance
Effect of production process and material ratio on the properties of HRC
Failure modes of HRC under creep and stress states
HRC design mode
Selection of fatigue strength design
Strength design and calculation
Plate type structure and basic design principle
Make full use of the unique HRC materials with high bending resistance, tensile strength, shear strength and impact strength, according to the design principle of shell structure manufacturing rigid surface modeling. Emphasizes the integrated use of material mechanics and structural mechanics, combined with the rationality of geometric modeling, depending on the axial force and shear bidirectional surface under load. The utility model has the advantages that the utility model can be used to enrich the decorative effect of the building facade, reduce the weight of the structure, the internal force is uniform, and the overall work of the space is improved, and the utility model has the advantages of high strength, high rigidity, material saving, and reasonable economy.
Mechanical properties and physicochemical properties of HRC
There are great differences in the performance requirements of HRC under different application conditions. As we all know, the coastal area and the city center, high-rise buildings and low villas, the wind load varies greatly. Another example: a comparison of roof and wall, roof condition is much worse, it is hard to be GRC, because the effect of roof rainwater, by freezing, direct sunlight, GRC materials will produce wet expansion and dry shrinkage, thermal expansion and contraction, the lack of common GRC internal structure fatigue damage will happen. There are many things to consider: rough and smooth surface; light and dark heat absorption of sunlight
HRC product design
It is necessary for the architect to communicate with HRC engineers.
Product internal structure design: steel skeleton, reinforced rib, edge......
The basic principles of constructing nodes and fixed systems
(1) panel structure design
(2) edges and openings
(3) scale coordination
(4) node type
(5) ventilation curtain
(6) connector
(7) joint handling and sealing
(8) connecting with adjacent materials
Design of production process and mix proportion
After considering the environmental conditions, the function and performance index system of HRC is designed. According to these data, make the production process plan and mix proportion design. In order to meet the requirements of the use of conditions, the establishment of adequate safety factor, the rational use of a variety of technical processes, the design of a complete technical and economic programs. Among them, the first choice of the appropriate process route, and then select the matching with the raw materials, after the mix design, test verification, organization and implementation.