Conical building superposition type in-situ control and detonating dismounting method

A technology for controlling blasting and buildings, applied in blasting and other directions, to achieve the effect of simple process, high construction safety and fast demolition speed

Inactive Publication Date: 2016-03-23
张建平
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  • Claims
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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a conical building stacking type in-situ controlled blasting demolition method, aimi

Method used

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  • Conical building superposition type in-situ control and detonating dismounting method
  • Conical building superposition type in-situ control and detonating dismounting method

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Embodiment

[0030] First, according to the geometric characteristics and symmetry of the inverted cone of the conical building, divide the conical building into sections according to the actual height, structure and site requirements, and set the decomposition height as L n (At present, the height of the general conical building is below 240 meters, which can be divided into 2-4 sections);

[0031] Secondly, observe the division of conical buildings and set an annular gap under each section. The setting of the height of the annular gap must satisfy 1. The maximum number of stacks of conical buildings. 2. The height of the upper conical building is greater than that of the lower conical building. Shaped building height, where the formula for calculating the maximum number of stacks is: (N max is the maximum nesting number, D nxn is the inner diameter of the conical building in the previous section, D nw is the outer diameter of the nth section of the conical building, K is the stacking...

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Abstract

Provided is a conical building superposition type in-situ control and detonating dismounting method. Reasonable segmentation is conducted on a conical building by fully utilizing the geometrical features and the symmetrical structure of the conical building, an annular notch is formed in the bottom of each segment according to the superposition conditions, detonation is conducted row by row from bottom to top through burst height computation, setting of blast holes, design of an orienting device and adoption of digital electronic detonators, reinforced concrete is destroyed symmetrically within the range of the annular notches, the segments of the conical building are accurately sleeved with the lowermost segment of a chimney, and the dismounted body diffusion range is only limited in the chimney. The method is novel in design and simple in process, the dismounted conical building falls into a conical structure accurately in segmented, oriented, detonating and superposition modes, the diffusion range is controlled in the conical structure, normal production of surrounding factories and daily life of surrounding residents are not affected, the national clean environmental protection and energy conservation policy is met, the innovation and energy conservation runs through the whole dismounting process, and the world-class technical problem that towering reinforced concrete conical buildings (structures) cannot be dismounted in complex site environments without collapsing is effectively solved.

Description

technical field [0001] The invention relates to a nested in-situ control blasting demolition method for conical buildings. Background technique [0002] The theory of controlled blasting demolition in today's world is becoming more and more perfect, and the controlled blasting demolition technology of high-rise reinforced concrete buildings (structures) has also been further improved, such as: directional collapse, folding collapse, and in-situ collapse blasting demolition technology, which is fast, economical and safe. The demolition technology of high-rise buildings (structures) is one of the most competitive methods in the industry. [0003] However, with the rapid development of urban construction and the increasing modernization and continuous implementation of industrial technical transformation projects, most of the towering buildings (structures) such as chimneys that need to be demolished and rebuilt are located in densely populated towns or industrial areas with a ...

Claims

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Application Information

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IPC IPC(8): F42D1/00F42D3/02
Inventor 张建平
Owner 张建平
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