PE pipe blasting construction process for open-air fracture-developed rock stratum

A construction technology and rock formation technology, which is applied in the field of PE pipe blasting construction technology in open-air fissures developed rock formations, can solve the problems of uneven distribution of explosives, influence of blasting effect, and increased consumption of explosives, etc.

Active Publication Date: 2022-06-07
中铁十九局集团矿业投资有限公司
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Problems solved by technology

[0005] The present invention provides a PE pipe blasting construction technology in open-air fracture-developed rock formations, which is used to solve the situation that explosives leak from the cracks in the rock formation, increase consumption of explosives, and uneven distribution of explosives in the cracks affects the blasting effect.

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  • PE pipe blasting construction process for open-air fracture-developed rock stratum
  • PE pipe blasting construction process for open-air fracture-developed rock stratum
  • PE pipe blasting construction process for open-air fracture-developed rock stratum

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Embodiment Construction

[0053] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0054] like Figure 1-12 As shown, the embodiment of the present invention provides a blasting construction process for PE pipes in rock formations with open-air fractures, including the following steps:

[0055] Step 1: Obtain drilling information according to the on-site rock formation conditions;

[0056] Step 2: Carry out drilling construction according to the obtained drilling information;

[0057] Step 3: Calculate the unit consumption of explosives according to the drilling;

[0058] Step 4: Install the PE pipe in the borehole and fill the PE pipe with explosives according to the calculated unit consumption of explosives;

[0059] Step 5: Detonate the explosives filled...

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Abstract

The invention provides a PE pipe blasting construction process for an open-air fracture-developed rock stratum. The PE pipe blasting construction process comprises the following steps that 1, drilling information is obtained according to site rock stratum conditions; 2, drilling construction is conducted according to the obtained drilling information; 3, calculating explosive unit consumption according to the drilled hole; 4, a PE pipe is installed in the drill hole, and the PE pipe is filled with explosives according to the calculated unit consumption of the explosives; 5, explosives filled in the inner wall of the PE pipe in all the drilling point positions are detonated; the problems that explosive leaks from cracks of a rock stratum, explosive consumption is increased, the explosive is not evenly distributed in the cracks, and the blasting effect is affected are solved.

Description

technical field [0001] The invention relates to the technical field of rock formation blasting, in particular to a blasting construction technique for PE pipes in rock formations with developed open-air fissures. Background technique [0002] At present, with the continuous improvement of deep-hole drilling rigs and large-scale shipping equipment in open-pit mines, the continuous improvement of blasting technology and the increasing development of blasting equipment, the advantages of deep-hole blasting in improving and controlling blasting quality, equipment efficiency and economic benefits are becoming more and more At the same time, the progress of blasting-related equipment also promotes the improvement of blasting technology, which greatly reduces the impact of blasting hazards while improving blasting effects; [0003] However, when blasting a fractured rock formation, due to the cracking in the rock formation, the explosives will enter the cracks in the blasthole, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42D1/00F42D1/10F42D3/04
CPCF42D1/00F42D1/10F42D3/04Y02A10/23
Inventor 马荣生刘忠国刘欣洋王挥云赵鑫侯郡刘煜
Owner 中铁十九局集团矿业投资有限公司
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