Prestressed Anchorage Market Development Prospects

In recent years, the construction of transportation infrastructure has continued to increase. According to data from the Ministry of Transport, during the "Twelfth Five-Year Plan" period, my country's transportation infrastructure investment scale reached 6.2 trillion yuan, a substantial increase from the 4.7 trillion yuan during the "Eleventh Five-Year Plan" period. More than 3 times the investment scale. The editor of the following prestressed anchors will lead you to understand the market development prospects of prestressed machines.

There are many large rivers, large rivers and large-span hills and ravines in our country. Therefore, in the ground transportation system, bridge engineering, especially large-span bridge engineering, occupies an important position. The "Technical Standards for Highway Engineering (JTJ001-97)" of the Ministry of Transport defines the total length of the multi-hole span and the single-hole span of the bridge, and divides my country's bridge engineering into four major bridges, namely super bridges, medium bridges and small bridges. Types of. Among the Henan prestressing machinery, the application of prestressing technology and products for medium and large bridges has been popularized, while prestressed structures are rarely used for small bridges.

According to the "Statistical Bulletin of the Development of Highway and Waterway Transportation Industry" of the Ministry of Transport over the years, as of the end of 2014, there were 757,100 highway bridges nationwide with 4,257,900 meters, an increase of 21,800, 2,800,900 meters over the end of the previous year.

According to the same source data above, as of the end of 2014, among the 757,100 highway bridges nationwide, there were 3,404 extra-large bridges with 6,105,400 meters, and 72,979 bridges with 18,630,100 meters. According to this statistics, my country's super large and large bridges account for about 10% of the total number of highway bridges (seats), but their total length (meters) accounts for about 58% of the domestic highway bridges. Super bridges and bridges have become my country's highway bridges. Important type.

my country's large and super large bridge projects are mainly located in large rivers, large rivers and large-span mountainous areas. For example, the Yangtze River bridges (the Yangtze River bridge in the field of bridge engineering refers to the part of the Yangtze River below the mouth of the Minjiang River in Sichuan, that is, the bridge engineering on the main stream of the Yangtze River) are mostly super large bridges, while in the Yellow River, Pearl River, Huaihe River, etc. Major water systems, bridges and super large bridges also account for a large proportion. In addition, in the mountainous areas of western my country, especially in the part of the first and second step transition zone in the topographic structure of our country, there are also many bridges and super large bridges that span hills and gullies.

Prestressed structures are widely used in the erection of medium and large bridges, mainly because of their large spans and high requirements for heavy load bearing capacity. The use of prestressed structures can greatly improve the performance and fatigue resistance of bridge engineering, and it is also economical. According to the aforementioned data sources, in the two years of 2013 and 2014 alone, the number of super bridges in my country increased by 816, and the number of large bridges increased by 11,244, which greatly increased the use of prestressed machinery. At the same time, according to relevant national plans, China will build about 200,000 bridges by 2020, which provides a huge market opportunity for the use of prestressed machinery in my country.