Retractable engineering pile embedment-in-rock controller and control method
A control method and technology of engineering piles, which are applied in the directions of earthwork drilling, measurement, wellbore/well components, etc., can solve the problems of no display, high quality requirements for pile formation, and no similar information retrieved, so as to reduce labor and structure Simple, effective in ensuring construction progress and construction quality requirements
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Embodiment 1
[0015] The present invention is a retractable engineering pile into rock controller, which is characterized in that it comprises a steel plate top support 1, an expansion joint 2 and a steel plate bottom support 4; the expansion joints 2 are several, and are connected end to end to form a telescopic whole, It is arranged between the steel plate top bracket 1 and the steel plate bottom bracket 4 .
[0016] In this embodiment, the adjacent expansion joints 2 are connected by expansion joint buckles 3 .
Embodiment 2
[0018] A shrinkable engineering pile entry control method of the present invention adopts the shrinkable engineering pile entry controller described in Embodiment 1. During engineering pile construction, when the drill bit 6 of the drilling rig is about to enter the rock layer 7, the drilling rig Set the steel plate top support 1 and the steel plate bottom support 4 on the 5 sides of the drill pipe, and set the number of expansion joints 2 according to the depth of rock penetration, and then carry out piling. At this time, the length of expansion joints 2 extracted during piling construction is the actual rock penetration depth. .
[0019] The application of the invention can effectively control the depth of the engineering piles in strict accordance with the design requirements during the construction of the engineering piles, effectively ensure the construction quality of the pile foundation, reduce labor and other comprehensive costs, reduce the labor intensity of constructi...
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