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济南装饰公司GRC构件需求怎样养护? 来源:http://www.m6hosting.com 日期:2019-02-18 发布人:admin

济南装饰公司GRC构件需求怎样养护?
How to maintain the GRC component requirement of Jinan Decoration Company?
养护是使GRC制品在晚期坚持其中所含水分不使蒸发。制品内所含水分用于水泥水化并因此开展其强度,降低浸透与膨胀。由于水化遭到温度的影响,爲此在制品养护进程中应使四周空气坚持适合的温度
Maintenance is to keep the moisture content of GRC products from evaporating in the later period. The moisture content in the product is used for hydration of cement and therefore develops its strength to reduce soaking and expansion. Because hydration is affected by temperature, the air around the product should be kept at a suitable temperature in the process of product maintenance.
1、GRC制品普通均是薄壁和低水灰比的,对GRC挂板而言则具有较大的外表积。爲此应采用无效的养护制度以到达下列要求:有适宜的早强以利脱模和搬运;保证设计强度;限制膨胀以防开裂。
1. GRC products are generally thin-walled and low water-cement ratio, but for GRC hanging panels, they have larger surface area. Therefore, ineffective maintenance system should be adopted to meet the following requirements: appropriate early strength to facilitate demoulding and handling; ensure design strength; limit expansion to prevent cracking.
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2、脱模前与脱模时:在修饰后,通常用干净而优质的聚乙烯薄膜将模具包住,这是避免贵州GRC构件中所含水分的蒸发和遭到风的影响,同时也有助于坚持水化热。在养护的初期应使GRC制品有足够的强度,使之在脱模与搬运时不致遭到损伤。在澳大利亚某些地域需求对GRC制品彻夜加热,使温度坚持在15℃以上。
2. Before and during demoulding: After modification, the mould is usually wrapped in a clean and high-quality polyethylene film, which avoids the evaporation of water and the influence of wind in the GRC components in Guizhou, and also helps to maintain the heat of hydration. At the beginning of maintenance, GRC products should have enough strength so that they will not be damaged during demoulding and handling. In some areas of Australia, GRC products need to be heated overnight to keep the temperature above 15 C.
3、次要养护:此次要养护阶段是使脱模后的GRC制品持续失掉维护,免受日光、风与空气低湿度的影响,普通状况下仍用塑料薄膜包住GRC制品以免遭到阳光的间接照射。经过喷湿雾也可坚持部分的湿度。
3. Secondary Maintenance: This maintenance phase is to make GRC products after demoulding continue to lose maintenance, free from the influence of sunlight, wind and low humidity of air. Under normal conditions, GRC products are still wrapped in plastic film to avoid indirect exposure to sunlight. Some humidity can also be maintained by spraying wet fog.
4、后养护:当制品在寄存与运用时,其四周与养护阶段有分明差别时,采取有控制的后养护是必要的。这可以采取一些复杂的办法使制件在寄存进程中免受阳光的间接照射。在寄存阶段GRC应到达设计的强度,此阶段的维护在于限制其干缩。
4. Post-maintenance: When the products are stored and used, there are distinct differences between the periphery and the maintenance stage, it is necessary to adopt controlled post-maintenance. This can take some complicated measures to protect the parts from indirect sunlight during the storage process. GRC should reach the design strength in the storage phase, which is maintained to limit its shrinkage.
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To learn more about Jinan Decoration Company, please pay attention to our website: http://www.m6hosting.com. Thank you for your support!

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