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When using the computer to issue the dispatch order, it is necessary to strictly abide by the release procedures of "one, two, one, three, four, confirmed and signed". You must carefully check the contents of the order and sign in time.
Do not use monthly construction plan instead of construction scheduling order. The construction department (unit) shall report the construction plan to the construction dispatcher in advance. The construction dispatcher shall issue a construction plan dispatch order to the driving units in advance, release the construction plan dispatching order, and prohibit the contents and commands that are not relevant to the premises. The actual construction scheduling order is issued by the train dispatcher.
Load and bus tires usually refer to the rim of the rim 18 to 24 inches in diameter, with a section width of 7 inches and above, truck, dump trucks, special purpose and trailer, etc. The road is relatively complex, has the good asphalt, also has a poor gravel, mud, muddy road, snow road, even without the road conditions, driving speed is generally not more than 80 km/h. 4. Construction machinery tires, construction machinery tires is installed on the specificity operation of engineering machinery vehicles, such as loader, bulldozer, excavator, flat machine, roller and land regarding the rig, etc. The speed is not high, but the pavement condition and the load performance are demanding. The tyres are mainly used in the skew structure, but the French rice wheel (cantonese, mandarin is called Michelin) is also used in the meridian structure. The classification can be divided into two categories: standard tire and wide base tire.
Wide provided suitable for busy trunk, also can be laid in tunnel and station floor maintenance difficulties, stone or soil subgrade are laid, but the mud pumping in the diseases of roadbed must be laid on the roadbed diseases after renovation. The main advantages of the wide sleeper circuit are: the suborbital sinking is small. The vibration acceleration is smaller than the concrete sleeper line, which gradually slows down and stops after laying. So the line maintenance work is greatly reduced, about a third of the general concrete sleeper line. The track is easy to keep clean. Dirt is not easy to break into the bed and prolong the repair cycle of the route. The line is smooth and stable, which is conducive to high-speed operation and the laying of seamless circuit. The disadvantage is that the cost is higher, and it is more difficult to change the shop on the busy trunk line
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