Ocean University of China

Lanjun Liu

Xiaolei Liu

Yonggang Jia

Tao Liu

Haibo Xu

Dong Wang

Hongxian Shan

Qingsheng Meng

Xiujun Guo

Minsheng Zhang

Chaoqi Zhu

A long-term in-situ observation device for the deep sea bottom supported engineering geological environment is provided, including: a sediment acoustic probe, a sediment pore water pressure probe, a three-dimensional resistivity probe, a water observation instrument, a long-term observation power supply system, a probe hydraulic penetration system, a general control and data storage transmission system, an acoustic releaser, an underwater acoustic communication apparatus, and an instrument platform. The observations include the engineering properties, physical properties, mechanical properties, and biochemical properties of a seawater-seabed interface-sediment. The engineering properties and the physical and mechanical indexes of seafloor sediments are comprehensively determined by three-dimensional measurement of seafloor resistivity and acoustic wave measurements. The physical and biochemical properties of seawater are expected to be acquired by sensors. The observation probe penetrates into the sediments following the hydraulic method.

Long-term in-situ observing device and method for deep sea bottom- supported engineering geological environment

Growing community of inventors

Shandong, China

Lanjun Liu