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Development Situation of Concrete Mixing Plant

Currently, the strength of common used concrete is 20一40 n/mm. It is not difficult to produce the concrete of 80一100 N/mm if necessary. In order to lighten self-weight, concrete with light weight but high strength gets big development. Due to the continuous improvement of material strength, the application scope reinforced concrete and prestressed concrete is expanding. In recent 30 years, reinforced concrete and prestressed concrete have achieved remarkable development in long-span structure and high-rise building structure. For instance, Germany builds a roof beam of hangar with scope of 90m by adopting prestressed lightweight concrete; the scope of bridge in Japan reaches 239 m. During this period, design theory also has new development. Since the 1970s, structural reliability theory has gradually stepped into the stage of engineering practical on the basis of mathematical statistics, which makes the limit design method more improved and scientific. In the meantime, structure

2015-01-13

The aggregate system configuration of concrete batching plant

Want to make a concrete batching plant to improve efficiency, more stable to use at work, that usually we also need to understand the concrete batching plant maintenance and common sense often; to extend the life of the mixing station! Then how can we the extended concrete batching plant life? First, we deal with the maintenance and upkeep of theconcrete batching plantsand understanding where to start? How to operate? How lubrication batching plant parts? The mixer shaft end seal in accordance with the provisions in every host starts or timing of fuel oil seal structure to ensure the long-term normal operation; Extend the life of the concrete batching plant system? The smooth operation of the mixing tube, liner, leaves, no loosening, replacement if damaged timely; liner, blades, scraper, mixing arm wear to a certain extent, or can not be adjusted, must be promptly replaced. To timely sticky stains on theconcrete mixersor cleaned regularly, when the concrete mixer on the inner wall of t

2015-01-05

Problems in the development of China construction machinery

1. Our capacity for independent innovation is feeble. The industrial scale of China construction machinery now has become the biggest in the world, but the high end equipment still cannot meet our demands. So, we have to import in a large scale. 2. The development of basic parts is seriously lagging behind. Compared to the repaid development of host machine, the development of basic parts and quality materials, self-control and system test instrument, numerical control machine and the basic equipment is obviously lagging behind. These have become the three bottleneck of the development of construction machinery. Especially basic parts, not only it is the problem of gap between products but also it doesnt bring any attention so far. 3. The development of modern manufacturing and service is very slow. Though the industrial restructuring of construction machinery has already made some progress, the industrial structure is still unreasonable. For example, in product structure, it shows that

2014-10-13

HAMAC AUTOMATION EQUIPMENT CO., LTD : +86-15136236223 WhatsApp: 0086-15136236223 (Wechat, Viber, Line) Email : [email protected] Address : 57th, Kexue Avenue, National HI-TECH Industrial Development Zone, Zhengzhou, China.
Philippines Local Office : +63 9328631301 Contact Person: Elayne Address : 389 gen luna cor Ilang-ilang st. Baritan malabon city, Manila, Philippines
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