What is the feature of steel strip reinforcement pipe?
HDPE steel reinforced pipe health good performance characteristics: the heavy metal stabilizer without adding PE processing, material non-toxic, no dirt, no bacterium, is a good solution to the pollution of the city drinking water two times. Excellent corrosion resistance: except for a few strong oxidant, can withstand a variety of chemical erosion medium; no electrochemical corrosion.
Guizhou bellows believe that long service life: PE pipes can be safely used for more than 50 years at rated temperature and pressure。 Good impact resistance: PE pipe has good toughness, impact resistance, high strength, heavy direct pressure through the pipe will not cause pipeline rupture。 Reliable connectivity: PE pipe or fused interface strength is higher than that of the pipe body, the seam is not due to soil movement or live load disconnect。 Good construction performance: light pipe, simple welding process, convenient construction, low comprehensive cost of engineering。
Attention should be paid to the combination of the temporary drainage and the design drainage system, to keep the drainage facilities unblocked, and to avoid the water accumulation and the erosion of the slope. Do a good job in the foundation pit drainage measures to prevent the bubble slot, strictly prohibit water operation. The length of slotting and the construction period should be shortened as much as possible, so as to achieve fast groove and fast backfilling. Once the bubble occurs, the water should be removed in time to remove the softened soil from the bubble and replace the sand stone for basic treatment.
Measures should be taken to prevent the pipe from floating. The height of the fill to the top of the tube is more than twice the pipe diameter. When the pipeline has not been installed yet, once the blistering happens, the height of the center line and the bottom of the pipe should be rechecked and the appearance check should be carried out. For example, displacement, floatation and extubation should be reworked. Anti icing measures should be taken. Simple insulation materials such as grass curtains and cotton quilts can be used in the bottom of the trough. In addition, when the steel bellows are used, for the coastal cities and other high groundwater level projects, we should intensify efforts to take precipitation measures, set up drainage drains and collecting wells at the bottom of the trough, and do well in the bottom of the trough.
For important projects, it is best to use more than two methods to combine the construction, so as to ensure the safety and reliability of the connection. There are many ways of combination, for example, connection and hot air extrusion welding combined use method. First with hot extrusion welding, the welded pipe has not reached the requirements of Lei, leakage, then pack heat shrinkable tube, to achieve safe and reliable. The connection method is used in combination with the clamp connection method of the positive test. The heat shrinkable belt or heat shrinkable tube is first wrapped, and the clamp is used to lock the pipe, so as to ensure the reliability of the insurance.