1. New Continuous Cut-Off Wall Technology Application in
Hydraulic Slotting Machine
Methods to realize continuous slotting
Hydraulic notching machine is a continuous hydraulic slotting machine, which adapts to the
slotting for the straight line or a curvature with large radius corners; when the curve radius of
curvature is small, the slope of saw body will often severely exceed the design or
specification requirements in the slotting process, lowering groove sag and saw body will
easily twist and damage. In view of this situation, you can adjust the wall axis of the original
corners in the design of the wall axis range to two or even more than a straight line segment
polyline, carry out slotting construction according to broken line; drill a hole at the fold point to
connect. When slotting near the drilling, control the saw slotting slope, make sure the lower
end of the saw body go into the hole, then hang out saw body to adjust the slotting direction
and continue slotting, which can not only adapts to the performance of slotting machine,
which also realizes continuous slotting.
Damage of groove wall collapse
Groove wall collapse. Groove wall collapse has a variety of reasons, and the situation of the
collapse is also different. If the groove wall collapses, it will not only seriously bury the
hydraulic notching machine saw body in the ground, delaying the progress of the project,
which may make the machine dump due to the collapse of the ground surface. Therefore it
should be highly valued. Except special foundations, we can think that if mud liquid level in
the tank drops, then tank wall collapse is bound to happen, which even makes the slots
comprehensively damaged. The majority of the tank level drops are caused by the leakage of
plasma. If there are tainted slurry signs, you should immediately take measures, raise the
saw body to the ground.
Prevent catheter being buried in concrete
Prevention of catheter blockage, prevent catheter being buried in concrete. Carefully check
whether the catheter is bent, whether there is residual consolidation of concrete on the inner
wall of the catheter before installing the catheter, if the catheter is bent, then it should be
corrected or abandoned, clean the residual concrete. Also note that if the catheter insertion
concrete depth is too large or if stop pouring concrete for too long on the midway, the
catheter will not be able to pull out. To prevent the catheter being buried in the concrete, you
should measure height of the concrete surface, determine the safety insertion depth of the
catheter, and the interrupt time of pouring should be as short as possible, continuously
pouring.

2. Hydraulic notching machine new technology has good prospects for development
Currently, the hydraulic notching machine continuous impervious wall new technology has
been widely used in the section of reinforcement project in the lower reaches of the Yellow
River, and has achieved good results in the promotion and application of the Songhua River
and the Pearl River Basin. The hydraulic shearing machine technology is widely used in the
reservoir dam foundation seepage, embankment foundation seepage control and
reinforcement project. It can rapidly complete the seepage control and reinforcement of tasks
at low-cost, which has good prospects for development.
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