5results about How to "Avoid wet work" patented technology

The invention relates to a full-assembly type post-pouring-free PEC beam column connecting joint which comprises a prefabricated PEC column, a prefabricated PEC cross beam and a prefabricated PEC longitudinal beam, the prefabricated PEC column comprises H-shaped steel and concrete, and column connecting pieces are fixed to the periphery of the H-shaped steel; beam end plates are arranged at the ends, facing the prefabricated PEC columns, of the prefabricated PEC cross beams and the prefabricated PEC longitudinal beams, beam connecting pieces are connected to the beam end plates, the beam connecting pieces and the column connecting pieces are in butt joint and fixed, the beam connecting pieces and the column connecting pieces are jointly wrapped with channel steel, and gaps in the channel steel are filled with heat preservation and sound insulation materials. The construction method has the beneficial effects that the connection strength and rigidity are guaranteed, the transportation difficulty is reduced, the self weight of the structure is reduced, the transportation cost is reduced, the use of formworks is reduced, and the construction period is shortened; the welding quality problem of field welding connection is avoided, the bearing capacity of the structure is improved, construction is convenient and fast, reliability is good, corrosion resistance is excellent, and the heat preservation and sound insulation effects are achieved.

The invention relates to a concrete modular building adopting dry-type damping nodes and a construction method of the concrete modular building, belongs to the technical field of modular buildings, and solves the problems that in the prior art, a concrete modular structure is low in assembly efficiency, and a concrete modular unit is heavy. The system comprises at least two layers of concrete modules, and each concrete module comprises a first concrete module unit, a second concrete module unit, a third concrete module unit and a damping node; the second concrete module units are arranged between the first concrete module units and the third concrete module units, and / or the second concrete module units are arranged between the two first concrete module units; a single wallboard is arranged between the first concrete module unit and the second concrete module unit, no wallboard is arranged between the second concrete module unit and the third concrete module unit, and the upper-layer concrete module and the lower-layer concrete module are connected through damping nodes. The concrete module is light in unit and high in assembly efficiency.

This invention discloses a precast reinforced concrete frame column and a frame structure, including a frame column body, an outer steel pipe, a steel end structure, and a steel connecting bracket. Based on the connection position of the external beam on the frame column body, the column reinforcement cage has an inward-facing annular groove. The outer steel pipe is fitted outside the annular groove of the column reinforcement cage, with its outer wall flush with the outer wall of the column concrete body. The steel end structure is embedded within the column concrete body. Adjacent frame columns are fixedly connected via the steel end structure. The steel connecting bracket is fixed between the outer steel pipe and the external beam. The frame structure includes precast reinforced concrete frame columns and main beams. Corresponding steel connecting brackets are provided on the outer wall of the outer steel pipe of the precast reinforced concrete frame column. The end of the main beam is fixed to the other end of the steel connecting bracket. This invention simplifies the structure and construction process of the frame columns, main beams, and secondary beams, reduces steel usage, and improves construction efficiency.

The invention relates to the technical field of integrated external wall panels, in particular to a glass wall integrated external wall panel system which comprises a steel frame prefabricated in a hole of an external wall panel, the steel frame serves as a stress supporting structure, and a sound insulation plate is installed on the indoor side of the steel frame to serve as a sound insulation structure. A decoration panel is installed on the outdoor side of the steel frame to serve as a maintenance decoration structure, and a fixed glass window unit is installed in an inner frame of the steel frame. The glass and the local opening window are embedded into a hole formed by the external wall panel steel frame structure; as for fixed glass, the glass is directly embedded into the n-shaped groove for installation; for a local opening window, the product is characterized in that a window frame and a steel frame are connected for installation, and shock absorption, heat preservation and sealing treatment are carried out on the periphery of a hole; in other words, an aluminum alloy frame of a traditional fixed window is omitted for fixing glass, a steel frame of a wall is directly used, and construction is more convenient.

The invention relates to the technical field of thermal insulation external wall panels, in particular to a steel keel thermal insulation decorative sandwich panel external wall body system which comprises prefabricated thermal insulation decorative sandwich panels which are arranged in a butt joint mode, and the prefabricated thermal insulation decorative sandwich panels are prefabricated parts which are integrally formed in a composite mode. A thermal insulation material is filled in a cavity in the prefabricated thermal insulation decorative sandwich panel; steel keels are embedded in the two vertical sides of the prefabricated heat preservation decorative sandwich panel respectively, and the upper end and the lower end of each steel keel are fixedly connected with anchor bolts on a structural beam or a plate of a main body structure through adapters fixed to the ends of the steel keels. The vertical supporting steel keels are connected with the outer decoration plate and the inner sound insulation plate of the sandwich plate, the corresponding grooves are formed in the two sides of the prefabricated heat preservation decoration sandwich plate, the vertical supporting steel keels can be conveniently embedded, the corresponding grooves are filled with heat preservation materials, the wall is prefabricated, the overall installation steps are simpler, and the efficiency is higher.