Membrane structure maintenance

After the completion of the membrane structure, great attention should be paid to maintenance to ensure normal use. This is different from ordinary buildings.

After completion, the long-term maintenance of the membrane structure should be carried out by professionals. Within one year of the completion of the project, the membrane structure should be inspected and maintained at least 1-2 times. If necessary, pre-tensioning should be used, and if the connection is loose, it will be tightened or reinforced. The stability of the membrane structure depends on the maintenance of the prestress in the membrane. The level of the prestress affects the deformation of the membrane under load. If the prestress is too low, the membrane will have a large displacement and flutter under the action of wind. Because the membrane material will relax and creep under the continuous action of the load, the prestress in the membrane will change during the trial period. The prestress detection can be done by pushing the membrane material or feeling the lateral displacement of the buckle. The resistance is obtained by simple methods such as the membrane structure should be cleaned regularly, and professional cleaning agents should be used when cleaning.

From a technical point of view, the membrane structure does not necessarily need to be cleaned. Cleaning can not extend its working life, but on the contrary, improper cleaning will shorten its life. The accumulation of dirt on the membrane surface is related to the local environmental conditions, the characteristics of the membrane material, and the shape of the membrane surface. To facilitate cleaning, it should be ensured that the surface treatment layer of PVDF and FEP coating film materials is not damaged during cleaning. Therefore, you cannot use a scrubbing. Compared with household soaps or tableware cleaners, general membrane cleaning agents are usually the same, but long-term contact with skin, eyes, and mucous membranes must also be avoided. In addition, when the cleaning personnel walks on the roof, the membrane surface will be very slippery in a wet state, so safety measures such as safety ropes and anti-fall nets should be used. Considering that the membrane surface should be inspected and cleaned before the old rainy season and winter to keep the membrane surface drainage system unblocked; emergency measures for snow removal on the ground with heavy snow load should also be considered. Due to the deformation of the membrane material under the action of the load, there may be rain or heavy snowfall in the place with a small slope of the membrane surface, and after the snow has melted, the tensioned membrane structure should be monitored to avoid the accumulation of water.