工业葡萄糖可增加混凝土的可塑性及凝固时间！
来源：http://www.jnjdbc.com 日期：2021-04-16 发布人：admin
工业葡萄糖在现代的社会中真是随处可见，工业葡萄糖的用途非常的广泛，可以用于电镀行业、玻璃清洗行业、污水处理、混凝土等行业。工业葡萄糖可增加混凝土的可塑性及凝固时间，我们都知道在工业活动中应用葡萄糖酸钠还是非常广泛，特别是在一些建筑、纺织、污水处理等行业中更是发挥着重要的作用。在建筑工程中，主要是作为减水剂和缓凝剂来应用的。那么，葡萄糖酸钠在建筑工程中的混凝土发挥着怎样的功效呢?
Industrial glucose can be seen everywhere in modern society. Industrial glucose is widely used in electroplating industry, glass cleaning industry, sewage treatment, concrete and other industries. Industrial glucose can increase the plasticity and setting time of concrete. We all know that sodium gluconate is widely used in industrial activities, especially in some construction, textile, sewage treatment and other industries. In construction engineering, it is mainly used as water reducer and retarder. So, what kind of effect does sodium gluconate play in the construction of concrete?
在水泥中添加一定数量葡萄糖酸钠后，可增加混凝土的可塑性和强度，且有阻滞作用，即推迟混凝土的与终凝固时期。例如添加0.15%的葡萄糖酸钠,可将混凝土的初凝固时间延长10倍以上,也就是将混凝土的可塑时间从几小时延长几天,而不影响其牢度。
Adding a certain amount of sodium gluconate to cement can increase the plasticity and strength of concrete, and has a blocking effect, that is, delaying the final setting period of concrete. For example, adding 0.15% sodium gluconate can extend the initial setting time of concrete by more than 10 times, that is, the plastic time of concrete can be extended from several hours to several days without affecting its fastness.
可塑性与延缓凝固时间在混凝土作业中是非常重要的问题，如在高温度季节施工及大型的工程作业中，延缓凝固时间则是个难题，葡萄糖酸钠可圆满这个问题。另外高温时胶接油井是比较困难的，添加了葡萄糖酸钠后的混凝土在170℃高温下，在几个小时内可塑，因此也能圆满上述问题。
Plasticity and delayed setting time are very important problems in concrete operation. For example, delayed setting time is a difficult problem in construction in high temperature season and large-scale engineering operation. Sodium gluconate can successfully solve this problem. In addition, it is difficult to glue oil wells at high temperature. The concrete with sodium gluconate can be plastic in a few hours at 170 ℃, so the above problems can be solved successfully.
葡萄糖酸钠用作混凝土外加剂具有以下有点：
Sodium gluconate as concrete admixture has the following advantages:
1、用葡萄糖酸钠，W/C比可以降低，这能使混凝土强度增加，这是一种优良型的混凝土。
1. With sodium gluconate, w / C ratio can be reduced, which can increase the strength of concrete, which is an excellent type of concrete.
2、大块和大重量的灌注工程是较难施工的。由于加了葡萄糖酸钠，混凝土工作性的改善和凝固时间的延缓能够避免结构上产生相接面，其结果能增进结构强度。
2. It is difficult to construct large block and heavy weight grouting project. Due to the addition of sodium gluconate, the improvement of concrete workability and the delay of setting time can avoid the occurrence of interface on the structure, which can improve the structural strength.
3、在炎热地区保持W/C比不变而增进工作性有重要意义。
3. It is of great significance to keep the w / C ratio unchanged and improve the working performance in hot areas.
4、在混凝土拌合料中加入葡萄糖酸钠，能延缓凝固时间，这对长时间和高难度的灌注很重要。
4. Adding sodium gluconate into concrete mixture can delay the setting time, which is very important for long-time and difficult pouring.
5、在现代的混凝土工业中，预拌合混凝土是在中 心地点配制好，然后用混合机卡车运送出去。在这种情况下，增加工作性和起始凝固时间甚为重要。
5. In the modern concrete industry, ready mixed concrete is prepared at a central location and then transported by mixer trucks. In this case, it is very important to increase the workability and initial solidification time.
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