High-strength non-shrink grout material how to maintain

1. High-strength non-shrink grout material after grouting exposed part should be sprayed curing agent or covering plastic film, in a timely manner and with wet straw bag stays wet. 2. Using plastic mulch, high-strength non-shrinkage grouting material of bare surface should be covered tightly, keep plastic film in the condensate. If inconvenience watering, high-strength non-shrink grout material surface can be sprayed with curing agent. 3. Water curing time shall not be less than 7 days, watering frequency grouting materials shall be maintained in the wet state. When using fast setting type rapid hardening cement grouting material, maintenance shall be carried out according to the method of product requirements 4. High-strength non-shrink grout material curing water should be the same as the mixing water. High-strength non-shrink grout material winter maintenance 1) When the winter construction of grouting engineering 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 ℃. Water in minus temperature condition maintenance can not; 2) After dismantle high-strength non-shrink grout material is greater than the difference between the surface temperature and environmental temperature 20 ℃, the heat preservation material covered maintenance should be adopted; 3) Such as environmental temperature is lower than the minimum temperature or product requirements need to speed up the growth intensity, can use artificial heating curing way; Curing measures should conform to the architectural engineering winter construction regulations '( JGJ104) The relevant provisions. S high strength non-shrinkage grouting material to form removal of time, for equipment installation, see the table below for specific time can open mold temperature and curing time and environment; The daily minimum temperature ( ℃) Time (dismantle h) Curing time ( d) - 10 ~ 096140 ~ 572105 ~ 15487 or greater in the 15247 s after the equipment foundation grouting, to eliminate part, if any, can be in 3 ~ 6 hours after the grouting, the grouting layer before hardening tool such as gently to remove with a spatula or a spade. S is the vibration of the machine must not be passed on to equipment foundation, the second should stop 24 ~ 36 hours after grouting, in order to avoid damage to the outstanding hard high-strength non-shrink grout material filling layer.