Plastic drain board with sounding hole
A plastic drainage board and sounding technology, which is applied in soil protection, infrastructure test, construction, etc., can solve the problems of increasing material and production costs, wasting metal resources, etc., and achieves low cost, saving metal materials, and simple process Effect
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[0011] The present invention will be further explained below in conjunction with the drawings:
[0012] As attached figure 1 , 2 As shown, the non-woven fabric 2 is wrapped around the periphery of the plastic core board 1 to form a water-permeable plastic drainage board; the anti-blocking member 3 is inserted into the end of the plastic drainage board that is driven into the ground; the plastic core board 1 is provided with a Along the length of the sounding hole 101, the diameter of the sounding hole 101 is 1.2 mm.
[0013] When it is necessary to measure the depth of the plastic drainage board driven into the ground, use a spring steel wire with a diameter of 1mm and a certain length, directly insert it into the sounding hole 101 and gradually lower it; when the end of the spring steel wire is subject to anti-blocking parts 3 When obstructed, the steel wire cannot continue to be lowered. At this time, the lowering length of the steel wire is the depth at which the plastic drainag...
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