"Tall" (Figure) built at sea

Your space and circle of friends in the sun what products, friends, etc., today Xiaobian want to bask in a tuxiuxiu, but this figure small absolute tall".

This is a close-up of the Feiyunjiang bridge, Feiyunjiang bridge is a key project of the Ningbo Taiwan high-speed railway to ge Xiang Ling Kun segment, it is not only the key, but also to overcome various risks and engineering problems. Design of the bridge tower 140 meters high, 130 meters deep pile, and construction on the soft soil, brought no small challenge for engineering.

It is reported that the Yongtai temperature high speed complex line Ling Kun - Ge Lane section of the control project, is expected to be 4 years. The bridge main span of 380 meters, the main span of the pile depth of 130 meters, 140 meters high. It is a bridge with the largest span in the Wenzhou cable-stayed bridge. The construction of the project at sea, the pile foundation construction quantity is big, the construction time tight task is heavy, the technical standard is high, the construction difficulty is big. The 0~60 meter is a silt layer, and the pebble layer is below 60 meters.

Assume the pile foundation construction company Ningbo Yitong Construction Company Limited in the comprehensive consideration, the choice of two sunward SWDM36 rotary drilling rig, diameter of 2.2 meters, a depth of 98 meters, 90 meters into the sea, 7 hours into the hole. The performance of the machine is stable, and it can be constructed within 360 degrees. The auxiliary leg can assist the retaining tube and ensure the efficiency and quality of the construction.

Because of the satisfactory construction efficiency of SWDM36 rotary excavation, the construction party also bought a 36 rotary drill to participate in the project later. At present, are working together to build Feiyunjiang bridge 3 SWDM36 rotary drilling rig.

SWDM36 rotary drilling underwater drilling is a strong point. First, the construction of water requires a good balance of machine. Whether climbing or bad construction environment, it can remain stable and can not roll over. Secondly, the control of the pile diameter is strict and the perpendicularity is high, and the perpendicularity of the hole is ensured. Thirdly, in addition to the excellent performance of the machine itself, the construction method is also a talisman for construction. From the machine entry, how to get the upper water platform to the perfect pile, the mountain river intelligent construction method is guided at the scene, and a reasonable plan is given. SWDM36 rotary drilling rig has been drilling in water Zijiang bridge Shao Heng railway under construction of 80 metres of praise.

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