S820C Road Roller Buy S822C Road Roller at Okorder

S820C Road Roller Buy S822C Road Roller at Okorder System 1

S820C Road Roller Buy S822C Road Roller at Okorder

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 300 unit/month

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Why choose us?

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

We have professional sales team to guarantee your reply within 12hours to save your precious time.

5 After sales

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

Inquies FAQ

My dearest friend, if you want to buy our tower cranes, please tell us the following parameters. And we will make the most suitable project for!

1. Building height or tower crane working height.

2. Max load capacity and tip load capacity.

3. Span or jib length

4. Other Special requirements

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: Roller three tons, what kind of good?: It's good for Sakai to vibrate both before and after. Vibration can be separated from front to rear.

Q: Cement layer construction, do not roller compaction, OK?: You asked the question very well! First of all, what you call the cement layer is the concrete structure of the road surface or the ground floor of the playground!

Q: How many tonnage vibratory rollers are heavy?: The vibratory roller is equipped with a vibrator on the static roller, and the compacting operation is done by the weight and the exciting force. There are single wheel, double wheel, tire type, double vibration type, combination type and so on.

Q: What are the classifications of road rollers? Who can tell?,: This is your photo paper roller, general classification mainly consists of single drum vibratory roller, rubber roller, three iron roller, double steel roller

Q: What is the concept of the static line pressure of roller?: I can give you a method for calculating the line pressure: the line pressure = the weight of the steel wheel, W (kg) divided by the width of the steel wheel, L (CM)What is line pressure?. This is where the pressure is concentrated in the narrow part of the contact surface. In fact, the state of the line.

Q: Why should we use the rubber tyred roller in the construction of the asphalt pavement?: At present, the latter two are widely used in construction.The following is a steel wheel roller, which is in front of the paver. The following table shows two rubber tyred rollers. Roller's purpose: 1. to achieve the required density (usually controlled by compaction); 2. press out the smooth surface.General compaction includes initial pressure, re pressure and final pressure. The final pressure is to remove the traces of rollers, the road is kept smooth, generally can not be omitted, and the use of steel wheel roller. If the initial pressure can meet the density requirements, there is no need to re pressure, but generally still maintain these three steps.

Q: When the new high-speed road roller is used to press the road surface, it will cause cracks in the surrounding houses. What are the criteria for compensation? How many meters away from the subgrade is the range of compensation?: In this case, the local government can be reflected in the situation, and for the corresponding losses caused by residents, or compensation.

Q: Brief introduction of tyre roller: A tire roller is a machine operated by a plurality of pneumatic tyres for the road. The roller of tyre roller adopts pneumatic tyres, usually 3~5 front wheels and 4~6 rear wheels. If the change of inflation pressure can change the ground pressure, the range of pressure regulation is 0.11 ~ 1.05 mpa.The tire roller adopts hydraulic, hydraulic or mechanical transmission system, single shaft or full axle drive, wide base tire, articulated frame structure, three point support. Compaction process has the role of rubbing, so that the compaction layer particles are not damaged and embedded, homogeneous and dense. Good maneuverability, fast speed (up to 25 km / h).

Q: What is the depreciation period of a roller?: What is the depreciation period of a roller? Accounting depreciation is based on the enterprise roller. Sprinkler estimated service life is determined, there is no uniform regulation. From a financial point of view, the depreciation period is long, the annual depreciation is low, the profits of enterprises will be higher, otherwise the profits will be low. Therefore, accounting depreciation should take this factor into account. The length of accounting depreciation has nothing to do with the calculation of corporate income tax. This problem is often misunderstood by some accountants. The enterprise income tax law provides the minimum depreciation period for the depreciation of enterprise fixed assets before tax deduction. The tax law generally requires the straight-line method of depreciation and the minimum depreciation period:1. houses and buildings for 20 years.2. aircraft, trains, ships, machinery, machinery and other production equipment for 10 years.3. appliances, tools, furniture, etc. relating to the production and operation activities, for 5 years.4. aircraft, trains, ships and other means of transport for 4 years.5. electronic equipment for 3 years.Road roller. In accordance with the tax law, the minimum depreciation period should be 10 years.Sprinkler: in accordance with the tax law, the minimum depreciation period should be 4 years. Roller. The sprinkler in construction enterprises, some by Taiwan bandhi depreciation. One can use the depreciation amount of budget quota in the class fees, can also be used in equipment leasing ratio calculation. Accounting is called the workload method of carrying out depreciation.

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