| 钢纤维的投料都需要注意哪些问题 |
| 添加时间：2018/12/21 13:52:10 浏览次数： |
| 1、先将钢纤维及粗骨料投入拌和机拌30秒，使钢纤维分散在石子中，不致团结。 1. First, the steel fibers and coarse aggregates are put into the mixer for 30 seconds, so that the steel fibers are dispersed in the stones and do not unite. 2、再将砂及水泥投入拌和机干搅拌30秒。 2. Put sand and cement into the mixer and mix dry for 30 seconds. 3、再在转动着搅拌机中加水，并再搅拌3分钟左右。 3. Add water to the rotating mixer and stir for about 3 minutes. 压实： 钢纤维混凝土浇注时，随拌随用，连续浇捣，不到分格缝不得甩施工缝，浇捣时应振密实。 Compaction: steel fiber concrete pouring, with mixing and use, continuous pouring tamping, not to fling construction joints, pouring tamping should be vibrant and compact. 抹面压纹： 钢纤维混凝土具有集粗料细，砂率大，纤维乱向分布的特点。采用机械抹平，阻止纤维外露。采用压纹器工艺还应以避免拉毛产生纤维外露现象。经24小时后，应按常规及时养护，夏天应用草包之类覆盖，寒天应注意保温。 Surface embossing: Steel fiber reinforced concrete has the characteristics of fine aggregate, high sand ratio and random distribution of fibers. Mechanical smoothing is used to prevent fiber exposure. The use of embosser technology should also avoid the appearance of fibers exposed during wool drawing. After 24 hours, it should be maintained in time according to the routine, covered with straw bales in summer, and kept warm in cold days. 钢纤维使用——搅拌是关键 Use of Steel Fiber - Stirring is the Key 钢纤维产品在使用过程中，搅拌是非常重要的一环，决定了最终钢纤维混凝土的所有理化性能。因此，必须以科学的方式进行搅拌才能最大深度地发挥钢纤维混凝土的性能，使之达到并超过设计要求。在一般的钢纤维使用方面，无外于手工拌和、机器拌和两种。手工拌和一般在小的修补工程上，总的混凝土方量不会太多。所以，一般只要设法将钢纤维与混凝土完全均匀的搅拌即可，而在机械拌和混凝土的过程中需加钢纤维。 In the process of using steel fiber products, mixing is a very important part, which determines all the physical and chemical properties of the final steel fiber concrete. Therefore, it is necessary to mix scientifically in order to maximize the performance of steel fiber reinforced concrete and make it meet and exceed the design requirements. In the general use of steel fibers, there are no more than manual mixing and machine mixing. Manual mixing is generally used in minor repair projects, the total concrete volume will not be too large. Therefore, in general, as long as we try to mix steel fiber and concrete completely uniformly, and in the process of mechanical mixing of concrete, we need to add steel fiber. |
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