Double-liquid grouting device for leaking stoppage and emergency rescue of foundation pit engineering and construction method
A construction method and double-liquid grouting technology, which are applied in basic structural engineering, construction, etc., can solve the problems of large leakage of foundation pits, inability to excavate foundation pits, and less mixing time, so as to prevent soil erosion and save work. Spatial, early intensity effects
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[0027] The purpose of the invention of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the embodiments cannot be repeated here one by one, but the implementation of the present invention is not therefore limited to the following embodiments.
[0028] A double-liquid grouting device for leak plugging and rescue in foundation pit engineering, comprising an inner pipe 1, an outer pipe 2, a first mud pump 7 and a second mud pump 8, the inner pipe 1 is sleeved on the outer pipe 2, and the inner pipe 1 is connected with the outer pipe 2 with threads, the inner pipe 1 is connected with the first mud pump 7, the outer pipe 2 is connected with the second mud pump 7, and the inner pipe 1 and the outer pipe 2 are both L-shaped, so The upper end of the inner tube 1 is provided with a first filling port 3, the upper end of the outer tube 2 is provided with a second filling port 4, the lower end of th...
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