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Dive into the research topics where Yunfeng Liu is active.

Publication


Featured researches published by Yunfeng Liu.


Archive | 2011

Impact type hydraulic static pile driver

Haisheng Zhou; Xinqiao Li; Huan Ning; Kejia Peng; Kuai Chen; Yunfeng Liu


Archive | 2012

River bank pile driver

Haisheng Zhou; Wei Yi; Huan Ning; Yunfeng Liu; Kuai Chen; Kejia Peng


Archive | 2011

Down hole impact type hydraulic static pile driving machine

Haisheng Zhou; Xinqiao Li; Huan Ning; Kejia Peng; Kuai Chen; Yunfeng Liu


Archive | 2012

Device for controlling pile clamping force of pile press

Haisheng Zhou; Wei Yi; Huan Ning; Yunfeng Liu; Kuai Chen; Kejia Peng


Archive | 2012

Pile driver for embankment

Haisheng Zhou; Wei Yi; Huan Ning; Yunfeng Liu; Kuai Chen; Kejia Peng


Archive | 2012

Oil replenishing device of pile clamping oil cylinder of hydraulic static pile driver

Wei Yi; Haisheng Zhou; Yunfeng Liu; Yanming Li; Ting Du; Mianhong He


Archive | 2012

Construction method for riverbank protection anti-slide precast piles

Changhui Wang; Dong Yang; Wei Yi; Haisheng Zhou; Yunfeng Liu


Archive | 2011

Pressure gauge type weighing device for hydraulic static pile presses

Haisheng Zhou; Xinqiao Li; Kuai Chen; Yunfeng Liu; Huan Ning; Kejia Peng


Archive | 2011

Hydraulic valve for pile driving control of pile driver

Haisheng Zhou; Xinqiao Li; Wei Yi; Huan Ning; Yunfeng Liu; Kuai Chen; Kejia Peng


Archive | 2014

Hydrostatic pile driver of full-stroke hole guiding type

易炜; Wei Yi; 李艳明; Yanming Li; 刘云丰; Yunfeng Liu; 杨丽萍; Liping Yang; 何绵红; Mianhong He

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