69 Hubei Crusher Vigorously Promotes The Era Of Expressway Foundation ConstructionLast Update:2020-05-06 13:28:35
At present, there are 31 expressway projects under construction in Guangdong Province, 7 of which will be completed by the end of the year. In the process of construction, the subgrade is often an important part of the highway. 69 E-crusher is 203 km long in 7 projects, including HUAIJI branch line of Guangdong Er Guang'an expressway, Shuangdong to Binbin section of Yunluo expressway, triangle to Dapu section of Meida expressway, Guangming expressway extension line, Meiguan expressway expansion project of Shenzhen, Guangzhou Dongguan phase II of Guangzhou Shenzhen Expressway along the Yangtze River and Shenzhen section of Guangzhou Shenzhen Expressway along the Yangtze River It has played a great role in the process of construction.
According to the different terrain conditions, there are two basic forms of Expressway Subgrade: embankment and cutting, commonly known as filling and excavation. The materials for subgrade construction, whether filling or excavation, are mainly earth rock bulk materials. Guangdong is rich in stone resources. At present, many expressways use stone roadbed. However, in order to ensure the stability and comfort of the train in high-speed driving, the subgrade should have enough firmness, stability, durability and reasonable rigidity. How to achieve this effect? Crushing is the key!
If large stones are directly used for paving, they will inevitably bring hidden dangers to the safety and stability of the road. The team in charge of the expressway project in Guangdong Province is an expert with rich construction experience. Before the commencement of the project, they decided to use the E-crusher 600 * 900 to carry out the preliminary processing of the stone. Therefore, the stone particle size is very uniform, with little dust and no debris, which is very in line with the standard of sand and stone for subgrade construction.
In the process of high-speed construction in Guangdong Province, especially in Shenzhen section of Guangzhou Shenzhen Expressway, due to the rich pebble resources in the local area, the crushed pebble stone is often used as the subgrade. However, the hardness of the pebble is very large, which leads to the rapid wear of the equipment, and the replacement of moving jaw plate and other parts is very frequent, even the whole equipment can not be spared. After looking up and comparing the drawings of various jaw crushers, the project team decided to invite Shanghai Shibang company to participate in the design and improvement of the equipment.
After analyzing the local stone quality and the existing structure diagram of jaw crusher, Shibang's engineers improved the jaw crusher and introduced a jaw crusher suitable for continuous production of hard stone, which is more efficient, energy-saving, more convenient and reliable. So far, in the construction of Guangdong Expressway, jaw crusher ushered in a new era.
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