Kev faib ntawm thoob cov hniav
Mar 16, 2022
Kev faib tawm ntawm peb hom thoob hniav
Bucket hniav, uas muaj nyob rau hauv kev ua lag luam, raug cais raws li qhov kev thov:
1. Earthwork hniav (siv rau excavating av, xuab zeb, gravel thiab lwm lub teeb ua hauj lwm ib puag ncig) feem ntau, lub earthwork hniav yog matched nrog lub thoob nrog loj thoob qhov ncauj cheeb tsam, uas muaj ib tug loj stacking nto, yog li nws muaj ib tug siab filling coefficient, txuag lub sijhawm ua haujlwm thiab ua haujlwm siab.
2. Pob zeb hniav (siv rau ore thiab pob zeb ore) yog siv rau ore loading tom qab blasting, hnyav ua hauj lwm lub zog hnav-resistant steel, zoo excavation kev ua tau zoo thiab kev lag luam tseem ceeb.
3. Conical hniav (siv rau cov mining ntawm thee mines thiab geological mines) yog tsuas yog haum rau drilling pob zeb txheej nrog tsawg hardness thiab muaj kev cuam tshuam zoo.