The invention discloses a preparation process of a super-retarding water
reducing agent for
underwater secant piles, and relates to the field of water
reducing agent preparation, and the preparation process comprises the following steps: preparation of a
polyester polycarboxylic
acid water reducing agent, preparation of a polyether polycarboxylic
acid water reducing agent, proportioning of polysaccharides, polymeric amino acids and organic acids in a
retarder, and preparation of the super-retarding water reducing agent. According to the preparation process of the super-retarding water reducing agent for the
underwater secant
pile, the
polyester polycarboxylic
acid water reducing agent and the polyether polycarboxylic acid water reducing agent are adopted as
mother liquor for compounding, and low-cost raw materials are adopted for manufacturing, so that the production cost of the water reducing agent can be effectively reduced, and meanwhile, the simplification of the production of the water reducing agent is ensured; the
water reducer is convenient to widely popularize and use, the initial
setting time of concrete can be changed, secant piles can be conveniently
cut when the concrete is subjected to initial setting, so that the pouring time of the next secant
pile is conveniently grasped, the construction time of the secant piles is shortened, and the convenience of the
water reducer in use is effectively improved.