Method for quickly grading terrene surrounding rock in real time on basis of while-drilling parameters
A soil surrounding rock and parameter technology, which is applied in the field of rapid real-time classification of soil surrounding rock based on parameters while drilling, can solve problems such as long time period, traffic influence, distortion, etc., and achieve the effect of improving accuracy and avoiding disturbance
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[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0047] A method for rapid real-time classification of soil surrounding rocks based on parameters while drilling. On-site drilling tests are carried out. Through the parameters measured while drilling during the drilling process, the fluid content of the clay surrounding rocks in front of the face is obtained through tests. Sex Index I L , Standard penetration hammering number N of sandy soil surrounding rock, dynamic penetrating hammering number N of gravel soil surrounding rock 63.5 , and then establish parameters while drilling and clayey soil fluidity index I L , sandy soil standard penetration hammering number N and gravel soil dynamic penetrating hammering number N 63.5 In the actual underground engineering, the soil type of the soil tunnel is judged first, the drilling d...
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