High-strength non-shrinkage grouting material at room temperature curing 1. Before grouting, should not be lower than 5 ℃, the average daily temperature after grouting exposed part should be timely spraying curing agent or covering plastic film, affixed with wet straw bag stays wet. Using plastic mulch, cement grouting material of bare surface should be covered tightly, keep plastic film in the condensate, water grouting material on the surface of the inconvenience, can be sprayed with curing agent. 2. Grouting materials shall be maintained in the wet state, curing time shall not be less than 7 d. 3. When using fast setting type rapid hardening cement grouting material, curing measures should be executed according to the method of product requirements. High-strength non-shrink grout material high temperature curing 1. 24 h before the grouting measures to protect the grouting parts from direct sunlight or other heat radiation. 2. Take appropriate measures to cool, and cement grouting material and equipment in contact with concrete foundation slab temperature is not more than 35 ℃. 3. Slurry into the mould temperature should not be greater than 30 ℃. 4. Measures should be take timely moisture curing after grouting. High-strength non-shrink grout material winter maintenance 1. Winter construction, the project has no special requirements on strength growth, after the grouting exposed part should be timely covering plastic film and heat preservation materials. The initial curing temperature should not be lower than 5 ℃. In minus temperature condition maintenance without watering. 2. After dismantle cement grouting material is greater than the difference between the surface temperature and environmental temperature 20 ℃, the heat preservation material covered protection should be adopted. 3. Such as environmental temperature is lower than the minimum of cement-based grouting materials construction temperature or need to speed up the growth intensity, can use artificial heating curing way; Curing measures should comply with the current national standard 'architectural engineering winter construction regulations' the relevant provisions of the JGJ104.
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