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Multi-point integral lifting construction method for short mast of large-capacity round storage tank

An overall lifting and large-capacity technology, applied in large-capacity bulk material storage, building types, buildings, etc., can solve problems such as low pass rate of one-time molding, complex lifting device structure, slow down construction progress, etc., to reduce scaffolding erection , optimize the installation sequence, and improve the overall effect

Active Publication Date: 2018-10-19
THE 14TH METALLURGICAL CONSTR GRP YUNNAN INSTALLATION ENG CO LTD
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Problems solved by technology

However, the storage tanks constructed by the existing inversion method have a complex structure of the lifting device and poor stability.
At the same time, due to the failure to effectively control the process in each construction link, the error of the storage tank is relatively large, and the pass rate of one-time molding is not high, which greatly slows down the construction progress

Method used

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  • Multi-point integral lifting construction method for short mast of large-capacity round storage tank
  • Multi-point integral lifting construction method for short mast of large-capacity round storage tank
  • Multi-point integral lifting construction method for short mast of large-capacity round storage tank

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Embodiment Construction

[0068] combine Figure 1-12 The multi-point overall lifting construction method of the short mast of the large-capacity circular storage tank includes the following steps:

[0069] A. Basic acceptance

[0070] Select the construction foundation, take the center of the foundation as the center, make concentric circles with different radii, divide the circumference of each concentric circle into several parts, and use the equal point as the measuring point 1; use a level to measure the elevation at each measuring point 1, the same concentric The difference between the elevation of measuring point 1 on the circle and the design elevation shall not be greater than 12mm; in order to improve the accuracy of levelness detection, here we take a storage tank with a diameter of 25-45m as an example, such as figure 1 As shown, it is usually necessary to make three concentric circles. The diameters of the three concentric circles are 1 / 4, 1 / 2 and 3 / 4 of the design diameter of the storage...

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Abstract

The invention relates to the technical field of storage tank construction, the purpose of which is to provide an efficient and stable multi-point integral lifting construction method for a short mastof a large-capacity round storage tank. The technical scheme adopted in the multi-point integral lifting construction method for the short mast of the large-capacity round storage tank is: A, base acceptance; B, prefabrication for a bottom board; C, prefabrication for a wall board; D, prefabrication for an arch-shaped board; E, storage tank assembly; F, water filling test and foundation settlementobservation. With all construction links adopting low-level operation, the multi-point integral lifting construction method for the short mast of the large-capacity round storage tank has the advantages of achieving reduction in aerial work and scaffolding building.

Description

technical field [0001] The invention relates to the technical field of large-scale storage tank construction, in particular to a multi-point integral lifting construction method of a large-capacity circular storage tank with a short mast. Background technique [0002] For a long time, in the installation and construction of large storage tanks, the traditional formal installation method is generally adopted, that is, the installation is from bottom to top with one plate and one plate upwards. Naturally, it is difficult to avoid high-altitude operations, especially operations such as docking and welding at high places. Will increase a lot of security risks. Moreover, due to the need to erect a full house of scaffolding, the investment in scaffolding erection cost and disassembly time is prolonged. At the same time, it is often necessary to select large-scale hoisting machinery to enter the site according to different heights. [0003] The inversion method is to assemble the ...

Claims

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Application Information

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IPC IPC(8): E04G21/14E04H7/06
CPCE04G21/14E04H7/06
Inventor 张绍铭赵德明刘晓伟金发敏汤仕贤
Owner THE 14TH METALLURGICAL CONSTR GRP YUNNAN INSTALLATION ENG CO LTD
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