Research Article

Study on the Rheological Failure Mechanism of Weakly Cemented Soft Rock Roadway during the Mining of Close-Distance Coal Seams: A Case Study

Table 1

The components of the shallow-buried strata.

LithologyKaoliniteIlliteChloriteIraq/middle layer

Coarse sandstone29155
Mudstone29155
Fine sandstone25.416.3738.82<10
Medium sandstone25.436.9331.12<10
Sandy mudstone5525