Jacking and installation construction method of reticulated shell structure
A construction method and reticulated shell technology, which are applied in building construction, building material processing, construction, etc., can solve the problems of non-reusable, cumbersome processes, and complex supporting tire frame structure, so as to reduce accidental errors and improve positioning. Accuracy and efficiency improvement
Active Publication Date: 2021-07-13
CHINA 19TH METALLURGICAL CORP
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Problems solved by technology
During installation, since the bolt holes of the bolt ball are all finished, it is generally only necessary to control a disturbance and chord length during installation during monitoring and control, but there is no constraint of the bolt during the installation of the welding ball, which belongs to the free state. How to carry out the welding ball position? CN205935744U this invention discloses a kind of supporting frame that adjusts the three-dimensional coordinates of welding ball based on BIM and is used for the positioning of welding ball; The precise positioning device of the ball is used for the positioning of the welding ball, but this invention has obvious limitations. The connection is made by welding according to the distance between the welding balls, and it can only be used in a specific structure and cannot be reused.
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0037] The jacking installation construction method of the reticulated shell structure of the present invention comprises the following steps:
[0038] A. Determine an observation point O' in the construction site that is convenient for measuring the coordinates of each point on the reticulated shell, take the observation point O' as the coordinate origin and establish a free coordinate system, and the X-axis direction of the free coordinate system is the span direction of the reticulated shell , the Y axis is the axial direction of the reticulated shell, and the Z axis is the vertical direction.
[0039] The design drawings of reticulated shell structures have a design coordinate system. The design coordinate system generally adopts the Beijing coordinate system in 1954. In the actual construction process, if this design coordinate system is used to me...
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The invention discloses a jacking installation construction method of a reticulated shell structure, comprising the following steps: determining the observation point O', establishing a free coordinate system with the observation point O' as the origin; measuring the distance of the observation point O' in the design coordinate system coordinates; stake out the design coordinates of the first row of bolt balls and the design coordinates of the first row of welded balls in the design coordinate system; calculate the target coordinates of the first row of bolt balls in the free coordinate system and the first row of welded balls in the free coordinate system Coordinates of the target in the coordinate system; install the bolted spherical reticulated shell on the ground; install the welded spherical reticulated shell. The invention can improve the efficiency of measurement and positioning, reduce accidental errors, solve the problem of difficult positioning of welding balls in the installation process of reticulated shells, and improve the positioning accuracy of welding balls.
Description
technical field [0001] The invention relates to the technical field of construction, in particular to a construction method for jacking up and installing a reticulated shell structure. Background technique [0002] In industrial construction projects, in order to meet the needs of environmental protection, such as power plants, steel mills and other large raw material storage sites need to build large closed coal yards or raw material factories, and generally have relatively large spans and high heights. In coastal areas, in order to resist the influence of severe weather such as typhoons, coal yards or raw material factories adopt a reticulated shell structure combining welded balls and bolted balls. During installation, since the bolt holes of the bolt ball are all finished, it is generally only necessary to control a disturbance and chord length during installation during monitoring and control, but there is no constraint of the bolt during the installation of the welding...
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IPC IPC(8): E04G21/18
CPCE04G21/1841
Inventor 李川曾祥勇
Owner CHINA 19TH METALLURGICAL CORP