Powerchina Huadong Engineering Corporation Limited

Other

Ocean University of China

Powerchina Huadong Engieering Corporation Limited

Miaojun Sun

Zhigang Shan

Mingyuan Wang

Weida Ni

Wenbo Du

Wei Wang

Xiaolei Liu

Anchi Shi

Jingyong Wang

Zengqing Guo

Wanqiang Cheng

Shengjie Di

Heyu Yu

Xiao Xiong

An auto-collapsible pore pressure probe device, including a support system, a penetration system and a measurement system. The support system includes a first support frame, a second support frame, a separation mechanism, a ring clamp, a fixing nut, a fixing bolt, support legs, slots, a support base, and a third support frame. The penetration system includes a rod storage wheel, a motor, a tightening mechanism, a penetration drive motor, a gear, a fixing bracket, a fixing bolt, and a friction wheel. The measurement system includes a pore pressure probe, a control cabinet, a CPTU probe, a pore pressure sensor, a probe connector, an external thread, an internal thread, a fastening strip, a connecting bolt, a connector, a data transmission and power supply cable, a displacement sensor, and a deck unit. An operating method of the pore pressure probe device is also provided.

Auto-collapsible pore pressure probe device and operating method thereof

The present invention discloses a model test system and method for seabed seismic wave detection. The model test system includes a model test unit which specifically includes a testbed for simulating a seabed, wherein a module for simulating bedrock and geology is arranged in the testbed; a water source supply unit supplies simulation seawater into the testbed; a sea wave generation apparatus is configured to act on the simulation seawater at different speeds and different forces to generate different sizes of sea waves. The present invention provides support and guidance for the advancing investigation of geologic parameters in a detection area such as distribution situations of faults, a range of landslides, a depth and morphology of a glide plane and the like.

Model test system for seabed seismic wave detection and method thereof

The invention claims a response surface method for identifying the parameters of Burgers model for slope soil, comprising the following steps: determine the model parameters and the level thereof; determine the parameter combination and the test sequence of the numerical test; calculate the response equation; optimally identify the model parameters. Based on the combination of the laboratory test, the numerical simulation and the field monitoring, the response surface analysis method is adopted in the invention to determine the regression equation for the parameters of Burgers model and the slope surface displacement, and meanwhile the regression analysis is adopted to establish the optimal parameter combination.

Response surface method for identifying the parameters of Burgers model for slope soil

The present invention relates to a rock anchor foundation structure suitable for a mountain photovoltaic module and a construction method of the rock anchor foundation structure. A technical solution of the present invention is as follows: the rock anchor foundation structure comprises a drill hole drilled in a rock slope, an anchor rod module arranged in the drill hole and a photovoltaic power station module. The photovoltaic power station module is connected with the anchor rod module through a hollow connecting steel pipe; the photovoltaic power station module comprises a bracket welded on the top of the hollow connecting steel pipe, a beam mutually hinged with the top of the bracket and a photovoltaic cell panel arranged at the upper part of the beam. The rock anchor foundation structure of the present invention is suitable for the technical fields of around treatment and foundation engineering design.

Rock anchor foundation structure suitable for mountain photovoltaic module and construction method of rock anchor foundation structure

An integrated-style shear apparatus for testing a rock structural plane includes a frame system, a vertical loading system, a horizontal loading system, and a shearing system. Both the vertical loading system and the horizontal loading system are fixed on the frame system, and the shearing system is installed inside the frame system. The shearing system is used to prepare the sample of structural plane and actualize the shear test. The vertical loading system and the horizontal loading system are used to provide normal stress and shear stress for the shearing system respectively.

Integrated style shear apparatus for rock structural plane and a shear experimental method for rock structural plane

The present invention relates to a stress-strain testing system for a large-diameter steel pipe pile of an offshore wind turbine and a construction method, comprising a steel pipe pile, wherein copper belt type sensor cables are correspondingly welded on both sides of the steel pipe pile along an axis direction; each sensor cable is sequentially covered with an epoxy adhesive, gold foil paper and an angle steel welded on the steel pipe pile centering on the copper belt type sensor cable; a fiber core of each copper belt type sensor cable is transferred into a high-strength armored optical cable by a special fixture and then is led out; and the high-strength armored optical cable is connected with a Brillouin optical fiber demodulator. The present invention is applicable to the field of foundation engineering testing and detection technology.

Stress-strain testing system for large-diameter steel pipe pile of offshore wind turbine and construction method

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Hangzhou, China

Miaojun Sun