玻璃钢桥架常见的异常问题有5点:1、表层发粘;2、气泡多;3、流胶;4、分层;5、干固欠佳。下面
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Common abnormal problems of FRP Bridge include the following 5 points: 1. Sticky surface; 2. Many bubbles; 3. Glue flow; 4. Stratification; 5. Poor drying and solidity. The following is a detailed answer from Jinan Bridge manufacturer.
1、表层发粘,环境湿度较大,水分过于聚集;再有就是由空气中氧的阻聚导致的。解决方案是:在环氧树脂中添加一部分石腊,在玻璃钢桥架表层喷一层环氧树脂胶甲苯溶液,或者在表层涂一层冷干漆;
1. The surface is sticky, the environmental humidity is high, and the moisture is too concentrated; Furthermore, it is caused by the polymerization inhibition of oxygen in the air. The solution is: add a part of stone wax to the epoxy resin, spray a layer of epoxy resin glue toluene solution on the surface of the FRP Bridge, or apply a layer of cold dry paint on the surface;
2、气泡多,造成原因是树脂使用量过多,需要改进搅拌方式,降低黏剂中的气泡,树脂黏度很大,可提高环境温度,采用树脂非常容易浸透的无捻玻璃布等。
2. There are many bubbles. The reason is that too much resin is used. It is necessary to improve the mixing method to reduce the bubbles in the adhesive. The viscosity of the resin is very high, and the ambient temperature can be increased. The twistless glass cloth, which is very easy for the resin to soak, is used.
3、流胶,俗成环氧树脂瘤,环氧树脂黏度小,可添加适度二氧化硅粉,也可能是用料不均匀,需要充足搅拌。
3. Glue flow, commonly known as epoxy resin tumor, epoxy resin viscosity is small, appropriate silica powder can be added, or the materials may be uneven, and sufficient mixing is required.
4、分层,由于玻璃布未脱腊或返潮造成,环氧树脂使用量不够或玻璃布未卡紧,热固時间太早、过急或过高发。
4. Delamination is caused by the glass cloth not dewaxing or returning to moisture, insufficient use of epoxy resin or the glass cloth not tightly clamped, and the thermosetting time is too early, too fast or too high.
5、干固欠佳,由于温度过低,环境湿度过大,环氧固化剂或硫化促进剂使用量不够或不成功导致的。
5. Poor dry curing is caused by too low temperature, too high environmental humidity, insufficient or unsuccessful use of epoxy curing agent or curing accelerator.
此外玻璃钢桥架设备前,应依据施工图断定始端到终端方位,沿图纸标定走向,找好水平、笔直、弯通,用粉线袋或画线沿桥架走向在墙壁、顶棚、地上、梁、板、柱等处弹线或画线,并均匀档距画出支、吊、托架方位。
In addition, before the installation of FRP Bridge equipment, the orientation from the beginning to the end shall be determined according to the construction drawing, and the alignment shall be calibrated along the drawing to find the horizontal, straight and curved connection. The lines shall be snapped or drawn on the wall, ceiling, ground, beam, plate, column, etc. along the bridge alignment with powder line bags or lines, and the orientation of supports, hangers and brackets shall be drawn with uniform spacing.
The cause analysis of five common abnormal problems of FRP Bridge has also been explained to you. I hope I can help you. For more precautions, please come to our website //www.comprepyme.com Consult and understand.