Construction method for extruding and expanding foundation in soft foundation area
A technology for foundation construction and base, applied in foundation structure engineering, construction, sheet pile wall, etc., can solve the problems of large labor cost, long construction period, low construction efficiency, etc., to improve construction efficiency, small settlement, save money cost effect
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[0022] Such as Figure 1-4 As shown, a kind of soft ground area extruded and expanded foundation construction method of the present embodiment, its steps are:
[0023] The first step is to determine the size and depth of the foundation drilling 1 and the drilling equipment 2 to be used according to the requirements of the design drawings, configure the corresponding reinforcement as required, and make the foundation reinforcement cage 5 in time for use;
[0024] The second step is to measure and locate, determine the location of the hole, put the drilling equipment 2 in place, carry out the foundation drilling 1 to 200mm above the design depth value, and continue the construction after the remaining 200mm is cleaned and measured;
[0025] In the third step, after forming the hole, put it into the hydraulic hole reaming device 4 for correction, and use the hydraulic transmission device 3 to ream the hole to reach the predetermined width and stress, forming an extrusion effect; ...
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