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What are the construction materials, components, fittings and equipment in construction?
- : construction engineering materials, components, fittings, equipment, each refers to: 1, engineering materials: engineering materials mainly refers to raw materials. Such as: sand, stone, steel, etc., there is no processing materials. 2, structural parts: the main structure here is the main structure of the building, the two structure and other accessories. Most of the semi-finished products and the structure of part of the installation accessories, such as: beam beam, continuous beam, beam, beam, cantilever beam, curved beam; steel, timber, concrete beam.s
What are the sub projects of a construction project?
- Lime soil, sand and gravel foundation, geosynthetics foundation, fly ash foundation, dynamic compaction, foundation grouting, preloading foundation, vibroflotation foundation, jet grouting foundation, cement mixing pile foundation, soil and lime soil compaction pile foundation, cement fly ash gravel pile, cement soil pile foundation. Based on sand pile foundations
What measures can effectively reduce the construction accident rate?
- Hefei construction workers training _ fail safe design: in the part of the system, equipment malfunction or damage, can also ensure the safety of safety and technical measures known as fault - Safety Design in a certain period of time (fail-safe). Generally speaking, through careful technical design, the system and equipment are in a low energy state when the fault occurs, thus preventing the unexpected release of energy. For example, a fuse in an electrical system is a typical fault - Safety Design; when the system is overloaded, the fuse is fused and the circuit is disconnected to ensure safety. Although the fail safe design is an effective measure of safe technology, but considering the fail safe design itself may not work due to failure, so the choice of safety technical measures should not give priority to the use of.s
What are the mechanical drawing software?
- The 3D map only contact with SolidWords and Pro/E, Pro/E is better than Solidwords in general, but Solidwords is very simple to use, see Help tutorials you can learn to draw a three-dimensional map is not particularly complex easily to estimate a few days is enough. But any one of the two kinds of software, want to do not understand the words, expert advice is not really easy. UG and MasterCAM haven't touched much, but I've heard that it's suitable for processing stereogram.s
Mechanical bearings, all types? Roughly
- The most representative rolling bearings, widely used, can bear radial load and two-way axial load. For high speed and low noise, low vibration occasions with steel dust cover or seal type bearing rubber sealing ring in pre filled with the appropriate amount of grease, the outer ring stopper bearing ring or flange, namely axial positioning, and easy to install in the housing. The size of the maximum load type bearing is the same as that of the standard bearing, but there is a loading groove in the inner and outer rings, which increases the number of balls loaded and improves the rated load.s
What is the use of spare parts prices in Chinese market by foreign companies?
- You might be gathering information for him. You have no data for one person, if there are several people? They can analyze a lot of things through big data. You can't find out, you're OK. Once you find out, your whole life is over.s
What are the safety protection equipment, machinery and equipment, construction machinery and accessories for construction enterprises?
- Different types of work, security appliances are not the same. For buildings, the main safety helmets, safety nets, safety belts (San Bao), etc., for electrical operators, mainly insulated shoes, insulating gloves, insulation rod, insulation table, etc.s
Definition of large mechanical equipment?
- The hoisting machinery used in bridge construction can be divided into three categories: light and small lifting equipment, bridge type crane and boom type crane. Light and small lifting equipment, such as jacks, hoists, winches, etc.. Bridge type lifting machinery, such as beam cranes, Longmen cranes and so on. Boom type cranes, such as stationary slewing cranes, tower cranes, truck cranes, tires, crawler cranes, etc..s
To introduce one of the best petrol lawn mower
- Features of the best petrol lawn mower：Lawn machine is a kind of portable garden tool for single use. It has a small gasoline engine as power. It drives the blade to rotate throu...
We can learn the clay metal forming process
- Today, we will learn the clay metal forming process together. The clay metal forming process in traditional kilns generates atmospheric pollution when industrial and domestic scrap...
Some knowledge about lawn mower starter
- lawn mower starter---brief introduction The lawn mower was called weeding machine, mower, lawn mower etc.. Lawn machine is a kind of machine tool used to trim the lawn, vegetation ...
Introduction to types of roll forming machines
- There are various types of roll forming machines, we can divide roll forming machines into different types according different criteria. For example, we can divide roll forming mac...
What is the problem about the lawn mower
- 1，Why use the throttle when the lawn mower is working？ When the lawn cut grass, it relies on the high-speed rotating blade to cut the grass,if the line speed is not enough, the...