D814H Road Roller Buy D814H Road Roller at Okorder

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Product Name: D814H Road Roller

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D814H Road Roller Buy D814H  Road Roller at Okorder



 

D814H Road Roller Buy D814H  Road Roller at Okorder

 

 


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state-owned company

fortune 500 company

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D814H Road Roller Buy D814H  Road Roller at Okorder

 


 


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1 sincre

CNBM International is a state company, now is one of the largest state-owned group cooperation in China! All the equipment such as tower cranes, produced by CNBM are compliant with the national level quality.

2 professional

Our engineers will at your services 24hours to solve all your tower crane installation and other questions.  Our goal is to provide the best professional services.

3 quality

 CNBM International’s tower crane  have strict quality control, only the best quality products can pass the test.

4speed

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5 After sales

If the tower crane has any problems, we will solve your problems in first time.


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Q:What is the cause of soil cracking when subgrade is pressed by subgrade?
Subgrade is not realAskIs the soil too wet?Is the soil too wet?Chasing the answerHow many times do you press it?
Q:Why should the highway subgrade be compacted by three rounds of iron?
First of all, to clear the use of vibratory roller and a roller.In general, vibratory roller used for rolled earth rock subgrade, because of its quality, coupled with the vibration force, can increase the rolling depth, but also can make the earth subgrade compacted in a certain depth range, reduce the gap in the embankment of roadbed, compaction depth generally 20 to 30 cm is appropriate. Different grades of highway there are different requirements.The smooth wheel roller generally used two ash macadam and other basic roller compaction or other rolling road.
Q:How many tonnage vibratory rollers are heavy?
The eccentric block vibrator is mounted on the grinding wheel shaft, and is driven by mechanical or hydraulic transmission, and a suspension mechanism and a vibration proof measure are arranged between the vibration wheel and the frame. Some tire vibratory rollers also use frequency adjustable vibrators. The basic technical parameters of vibratory roller for heavy machine, vibration force and bus pressure (static pressure and dynamic pressure and). The machine weight range is from 1.5 to 18 tons. The utility model has wide application range and is suitable for various compaction operations. The utility model has the advantages of large compacting thickness, good effect and high productivity.The country did not give strict standards, but the industry generally recognized more than 12t vibratory roller for heavy-duty roller.
Q:Where is the driving wheel of the steel roller?
Different manufacturers design is different, some single drive, some double drive, as if the single drive is generally the latter drive
Q:The city government reformed a straight road and used rollers to press the road.
4, from one end of the road to the other end, the area of the road is equal to the length of the front wheel and the width of the wheel, or =602.88*2.5=1507.2 (square meter).For reference.
Q:What's in the roller in front of the roller?
The vibratory roller is an eccentric shaft or an eccentric block, and the conventional static roller is weighted sand
Q:Who will hit the tank and roller collision?
Sure tank, because the roller hit the tank, you know the consequences. Will the country let it go?
Q:What do you mean by "380/275" in the vibratory force (kN) of vibratory roller?
It means "to".The range of exciting force is between 380 and 275.
Q:Why do different types of roller are used for road laying, initial pressure and final pressure?
Technical specifications for construction of highway asphalt pavement (JTG40-2004) provides that: "the construction of asphalt pavement should be equipped with a sufficient number of roller, roller selection of reasonable combination and the initial pressure complex pressure final pressure (including molding) the rolling steps, in order to achieve the best compaction effect. No less than 5 rollers should be installed in the double lane asphalt pavement of the expressway. When the construction temperature is low, the wind is large and the rolling layer is thin, the number of rollers should be increased appropriately."Initial pressure is to stabilize the pressure, and in order to reduce the passage, it is necessary to use a small tonnage model, which should be adopted static pressure;In order to achieve the required degree of compaction, vibration compaction must be used, and large tonnage heavy compaction machines must be used;In order to eliminate the wheel trace and satisfy the requirement of the whole Gaoping, the steel wheel hydrostatic pressure should be adopted.
Q:What's the width of the 12 ton roller?
According to the operating weight divided into micro (1 tons); small (1-6 tons); medium (6-10 tons), heavy (10-14 tons); super heavy (16 tons) pressing wheel distinction: single steel wheel and double steel wheel, three wheel, tire according to the compaction principle: vibratory and static effect of impact roller, roller, roller combination at present commonly used in Engineering: single.

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