A high-rise building with a cast-in-place hollow floor

Abstract

The invention provides a high-rise building with a cast-in-place hollow floor, which is composed of a core tube, an outer frame, a hollow floor, a steel mesh and an organic cavity; The force wall constitutes a closed space structure; the outer frame is a frame force member composed of beams and columns outside the building plane; the main beam is a reinforced concrete composite beam or a steel beam; the steel mesh and the organic object are interacted by the steel mesh and the organic object; The steel mesh forms the cavity top surface, the cavity bottom surface, and the two side walls of the cavity side of the composite cavity; the organic object contains air cells or polyphenylene blocks; the organic object forms the other two side walls of the composite cavity side of the steel mesh And the support is between the top surface of the cavity and the bottom surface of the cavity to control the height of the combined cavity of the steel mesh. After the combined cavity of the steel mesh and inorganic objects is placed, concrete is poured, vibrated, maintained, and the floor formwork is removed to realize the application of the cast-in-place hollow floor in high-rise buildings.

Description

technical field [0001] The invention relates to a high-rise building, in particular to a high-rise building with a cast-in-place hollow floor. Background technique [0002] The structural system of high-rise buildings includes the horizontal structural system of the floor and the vertical structural system of walls and columns. The horizontal structure and the vertical structure form the lateral space structure of the building, and jointly resist the lateral force. The rigid floor uses its infinite stiffness in the plane to resist the horizontal displacement, and the vertical column bears and transmits the vertical load; the structural system of high-rise buildings mainly includes frame structure, shear wall structure, frame-shear wall structure, frame-core tube structure, tube-in-tube structure, steel-concrete hybrid structure, etc. [0003] At present, steel-concrete buildings are mostly used in super high-rise buildings, which are characterized by high strength, high rig...

AI Technical Summary

Problems solved by technology

It can not only bear the vertical load, but also can bear the horizontal lateral force in any direction, and it is applied on the super high-rise; In addition to technical problems, there is no one that has good composite properties with concrete, low cost, convenient high-altitude transportation and construction, no buoyancy, light weight, no damage, no displacement, no isolation pads and full-length fixed steel bars, and high-rise fire resistance. The cavity-forming filling body is realized, which leads to the hindrance of hollow-core floors used in high-rise buildings.

[0004] Therefore, a cast-in-place hollow floor is developed for high-rise buildings, especially the solid floor between the outer frame beams of the frame core cylinder and the core cylinder adopts a hollow floor to reduce the weight of the high-rise and enhance the overall performance of the system , and is beneficial to earthquake resistance; the traditional solid floor between the outer frame beam column and the core tube is changed to a two-way dense rib floor with lower flange sealing and a cast-in-place hollow floor with one-way groove floor, which overcomes the self-weight of the existing technology , at the same time optimize the joints at the four corners of the core tube and apply the solid parts around the side columns; the filling body for hole formation makes full use of the surface tension of the concrete, changes the shape of the steel grid to prevent the concrete mortar from penetrating into the steel grid, and does not generate buoyancy. The correlation is good, the force of the structure is enhanced, and organic objects are used to support the steel mesh, so that the steel mesh can bear the construction load and the positive pressure of the upper flange concrete. The combination of the two forms a combined cavity of steel mesh and organic objects To replace the hollow floor with the hole-forming technology of the fully sealed hollow filling body, it breaks through the defects of light filling, foldable, difficult vertical transportation at high altitude and high cost, and breaks through the high-rise application of the cast-in-place hollow floor, which has become the field of high-rise buildings. Urgent need for technological innovation

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