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Centering Guide For Bored Piling Foundation
Collapse burying of inclined borehole has
always been a technical problem in geological drilling. In order to
prevent collapse, many technicians Mud wall protection and other
measures are mostly used, but the effect is very little. It is
difficult to avoid hole wall collapse, block falling, hole oblique
sticking and even hole waste.
Avoid accidents. Recently, during the construction of
the water regime observation borehole of the coal seam floor, we
encountered the problem of hole wall falling and hole oblique
sticking.
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