What are the factors influencing the strength of GRC members?

1.攪動(dòng)時(shí)間：攪動(dòng)時(shí)間的長(zhǎng)度應(yīng)根據(jù)溫度、水灰比及結(jié)構(gòu)要求及時(shí)調(diào)整。一定下來(lái)，就嚴(yán)格遵守，不能憑感覺(jué)。攪拌量的大小直接影響 GRC構(gòu)件的強(qiáng)度。加和不加減水劑的攪拌時(shí)間有很大差異。加了減水劑，攪拌時(shí)間大大縮短。

1. Stirring time: the length of stirring time should be adjusted in time according to the temperature, water cement ratio and structural requirements. We should strictly abide by it when we are sure of it. We can't rely on our feelings. The amount of mixing directly affects the strength of GRC members. The mixing time with and without superplasticizer is very different. The mixing time is greatly shortened by adding water reducing agent.

2.纖維含量：玻璃纖維是 GRC的主要增強(qiáng)材料。根據(jù)工業(yè)標(biāo)準(zhǔn)，玻璃纖維含量達(dá)到4-5%，即為合格 GRC。但實(shí)際上很難達(dá)到這個(gè)數(shù)量。一是不用那么多，3%-4%就足夠了;二是產(chǎn)品表面一般不需要添加纖維。但是，若用玻璃鋼網(wǎng)代替玻璃鋼絲，則會(huì)出現(xiàn)嚴(yán)重的纖維含量不足，嚴(yán)重影響制品的強(qiáng)度。

2. Fiber content: glass fiber is the main reinforcing material of GRC. According to the industry standard, GRC is qualified when the glass fiber content reaches 4-5%. But it's really hard to reach that number. First, not so much, 3% - 4% is enough; Second, the product surface does not need to add fibers. However, if glass fiber reinforced plastic mesh is used instead of glass steel wire, the fiber content will be seriously insufficient, which will seriously affect the strength of products.
                

3.附加成分：附加成分看似簡(jiǎn)單，但卻關(guān)重要。摻合料的數(shù)量和品種對(duì)產(chǎn)品質(zhì)量有重要影響。尤其是硅酸鹽水泥產(chǎn)品，加入膠漿，一方面提高了產(chǎn)品的強(qiáng)韌度，另一方面使產(chǎn)品具有防水、耐鹽耐酸性。(主要添加劑：減水劑，粉煤灰，硅灰，火山灰，緩凝劑，促進(jìn)劑，丙烯酸乳液，纖維素等);聚羧酸系減水劑具有弱酸性，能降低水泥堿度，從而減少水泥對(duì)玻璃纖維的腐蝕。

3. Additional ingredients: the additional ingredients seem simple, but they are very important. The quantity and variety of admixtures have an important influence on the product quality. Especially for Portland cement products, the addition of mortar improves the strength and toughness of the products on the one hand, and makes the products waterproof, salt resistant and acid resistant on the other hand（ Main additives: water reducer, fly ash, silica fume, volcano ash, retarder, accelerator, acrylic emulsion, cellulose, etc.) Polycarboxylate superplasticizer has weak acidity, which can reduce the alkalinity of cement and reduce the corrosion of cement to glass fiber.

4.砂：砂的含泥量對(duì)水泥成分的強(qiáng)度影響很大。高強(qiáng) GRC構(gòu)件對(duì)砂漿含泥量的要求不超過(guò)0.3%

4. Sand: the mud content of sand has a great influence on the strength of cement composition. The requirement of high strength GRC component for mortar mud content is not more than 0.3%

5.采用高壓注射成型工藝，確保產(chǎn)品質(zhì)量，其氣壓應(yīng)穩(wěn)定。

5. High pressure injection molding process is adopted to ensure the product quality, and the air pressure should be stable.

對(duì)于影響GRC構(gòu)件強(qiáng)度的各種因素就介紹到這里了， GRC構(gòu)件生產(chǎn)商在上面已經(jīng)給大家做了詳細(xì)的總結(jié)，相信大家看完之后都會(huì)有新的認(rèn)識(shí)。若想了解更多，可以關(guān)注我們的網(wǎng)站：山東GRC構(gòu)件http://1111tk.cn，希望對(duì)大家有所幫助。

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