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HHP35 Project of Hong Kong-Zhuhai-Macao Bridge(HZMB)

HHP35 Project of Hong Kong-Zhuhai-Macao Bridge(HZMB)

Successful Commissioning of China First Self-developed HHP35 Hydraulic Impact Hammer

TheChinafirst self-developed HHP35 hydraulic impact hammer with strike energy of 525KJ is updated from the hammer with 300KJ strike energy. It, manufactured by Liyuan, is the domestic self-developed piling mechanism with biggest strike energy.

On January 3, 2013, Liyuan HHP35 hydraulic impact hammer (525KJ) successfully drove a φ2500mm, 67m steel pipe into water to the design depth with the strike of 1300 times. This process takes about 50 minutes in total. This successful commissioning shows that our company fills the domestic blank in this area.

Currently, as the operator reports on the construction site, the operating status of hydraulic piling achieves a good result. Three steel pipes will be installed per day, completely exceeding the construction volume what users expected.

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