Underground diaphragm wall bed rock grooving pre-splitting blasting method
An underground diaphragm wall and pre-splitting blasting technology, applied in blasting and other directions, can solve problems such as delaying construction period, affecting construction speed, slow punching, etc., and achieve the effect of accelerating construction speed and improving fragmentation
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[0028] The present invention will be further described in detail below in conjunction with examples and specific implementation methods. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.
[0029] The invention discloses a pre-splitting blasting method for groove formation of underground diaphragm wall bedrock, which is used for performing pre-splitting treatment on rocks with high hardness before groove formation under moderately weathered and slightly weathered bedrock geological conditions, and can speed up the progress of subsequent groove formation. The blasting method comprises the following steps:
[0030] Step 1. Exploration and hole layout: explore the geological conditions of the site to be constructed, and design the hole layout according to the geologi...
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