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                            聯系我們
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                            混凝土灑水養護
                            灑水養護即用草簾等將混凝土覆蓋,經常灑水使其保持濕潤。養護時間長短取決于水泥品種,普通硅酸鹽水泥和礦渣硅酸鹽水泥拌制的混凝土,不少于7D;摻有緩凝型外加劑或有抗滲要求的混凝土不少于14D,灑水次數以能保證濕潤狀態為宜,覆蓋澆水養護利用平均氣溫高于+5℃的自然條件,用適當的材料對混凝土表面加以覆蓋并澆水,使混凝土在一定的時間內保持水泥水化作用所需要的適當溫度和濕度條件。覆蓋澆水養護應符合下列規定:
                            Sprinkler curtain covers concrete with straw curtain, and often sprinkles water to keep it moist. The curing time depends on the type of cement. The concrete mixed with ordinary Portland cement and slag Portland cement is not less than 7D; the concrete mixed with retarding admixture or impermeability requirement is not less than 14D. The suitable number of sprinklers is to ensure the wet state. The natural condition that the average temperature is higher than + 5 C is used to cover the surface of concrete with appropriate materials. Cover and watering, so that concrete in a certain period of time to maintain the hydration of cement required appropriate temperature and humidity conditions. Cover watering maintenance shall comply with the following provisions:
                            (1)覆蓋澆水養護應在混凝土澆筑完畢后的12h內進行。
                            (1) Covering water should be maintained within 12 hours after concreting.
                            (2)混凝土的澆水養護時間,對采用硅酸鹽水泥、普通硅酸鹽水泥或礦渣硅酸鹽水泥拌制的混凝土,不得少于7d,對摻用緩凝型外加劑、礦物摻合料或有抗滲性要求的混凝土,不得少于14d。
                            (2) The pouring and curing time of concrete shall not be less than 7 days for concrete mixed with Portland cement, ordinary Portland cement or slag Portland cement, and 14 days for concrete mixed with retarding admixtures, mineral admixtures or impermeability requirements.
                            (3)當采用其他品種水泥時,混凝土的養護應根據所采用水泥的技術性能確定。澆水次數應根據能保持混凝土處于濕潤的狀態來決定。
                            (3) When using other kinds of cement, the maintenance of concrete should be determined according hugan.37ix.com.cngxianwei.37ix.com.cndiaosuoju.37ix.com.cnhandan.37ix.com.cnto the technical zhongyaoji.37ix.com.cntongdiaopin.71ix.comperformance of the cement used. The number of times of watering should be determined according to the condition that the concrete can be kept wet.
                            (4)混凝土的養護用水宜與拌制水相同。
                            (4) Concrete maintenance water should be the same as mixing water.
                            (5)當日平均氣溫低于5℃時,不得澆水。
                            (5) When the average temperature of the day is below 5 degrees Celsius, no watering shall be allowed.
                            (6)大面積結構如地坪、樓板、屋面等可采用蓄水養護。貯水池一類工程可于拆除內?;炷吝_到一定強度后注水養護。
                            (6) Large-area structures such as floors, floors and roofs can be maintained by water storage. The water storage tank can be maintained by water injection after the internal formwork concrete is demolished to a certain strength.

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