Frame building jacking device, overall jacking method and jacking deviation rectifying method

Abstract

The invention discloses a frame building jacking device, an overall jacking method and a jacking deviation rectifying method. The frame building jacking device comprises jacks, screws, threaded sleeves, upper limiting nuts and lower pressure-bearing nuts, wherein two or four brackets are symmetrically distributed at the bottom of the side wall of each frame column, and one to two threaded steel pipes are pre-buried in each bracket; the jacks are placed on ground beams under the centers of the frame columns; the bottom end of each screw is pre-buried in the corresponding ground beam, the top end of each screw penetrates through the corresponding threaded steel pipe to form a penetrating-out end, and the maximum length of each screw is not smaller than the jacking height of a frame building; the thread fit clearance between each screw and the inner wall face of the corresponding threaded steel pipe does not exceed 1mm; and each screw below the corresponding bracket is sleeved with at least one lower pressure-bearing nut, and each screw above the corresponding bracket is sleeved with the corresponding upper limiting nut. According to the frame building jacking device, the overall jacking method and the jacking deviation rectifying method, the number of the used jacks can be reduced, the number of used cushion blocks is greatly reduced, and the construction speed is increased. Meanwhile, in the jacking process, the perpendicularity precision is high, and inclination can be prevented.

Description

technical field [0001] The invention relates to the field of building jacking, in particular to a frame building jacking device, an overall jacking method and a jacking deviation correction method. Background technique [0002] Because the height of the building cannot meet the requirements of use, urban construction has led to a substantial increase in the outdoor ground and the elevation of the indoor floor is much lower than the height of the outdoor ground, etc., the building must be lifted to meet the use requirements. In addition, when the building tilts, it is necessary to lift the building to achieve deviation correction. [0003] When using traditional lifting construction methods for building lifting construction, there are often the following problems: [0004] (1) Traditional lifting devices and methods During the lifting construction process, each frame column requires multiple jacks, thereby increasing the use of jacks and greatly increasing the input cost. I...

AI Technical Summary

Problems solved by technology

[0004] (1) During the lifting construction process of traditional lifting devices and methods, each frame column requires multiple jacks, thereby increasing the use of jacks and greatly increasing the input cost

In addition, when a jack in a certain frame column fails, all the jacks in the group need to be replaced and checked one by one. Furthermore, a large number of spare jacks need to be prepared, further increasing the cost input

[0005] (2) The traditional lifting device and method use pads as the lifting support. When the lifting height is high, the support built with the pads has poor stability and is unsafe

In addition, when the height of the building is raised, the time-consuming period of the uplift is long. When using pads to build supports, etc., when encountering bad weather (such as the rainy season, etc.) or harsh environments (such as slight earthquakes, etc.), the frame load The verticality accuracy will be greatly reduced, and serious tilt will occur

[0006] (3) The traditional lifting device and method need to place jacks multiple times when adding pads during the lifting construction process, which makes the construction operation difficult

[0007] (4) The traditional lifting construction method has slow construction speed and long period

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