Construction method for treating widened and heightened engineering joint surfaces of dikes on soft clay foundation
A technology of weak soil foundation and construction method, which is applied in dikes, sea area engineering, earthwork drilling and mining, etc., can solve the problems of cross-sectional differential settlement of new and old dike joints, seepage prevention, etc., to improve the effect of lateral reinforcement and reduce the amount of engineering , The effect of saving construction costs
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[0034] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The protection scope of the present invention is not limited only to the description of this embodiment.
[0035] First, level the site, measure and set out the line, and determine the position of embedding the composite geotextile 9 and the depth inside the old embankment 1; excavate the construction work well 11 inside the old embankment 1, and excavate the first step on the slope 4 of the old embankment The working face 8; the drilling rig 12 is arranged on the step working face 8, and in the construction work well 11, the geared drill pipe 13, the excavation groove 14 and the composite geotextile 9 with the grouting pipe are arranged in sequence, and the grouting pipe The composite geotextile 9 is connected with the geared drill pipe 13 through the connecting ring 15, and the excavation groove 14 is arranged on the partially expanded composi...
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