Other

Beijing Boe Optoelectronics Technology Co., Ltd.

China Institute of Water Resources and Hydropower Research

Ping Sun

Xiaogang Wang

Long Jiang

Yujie Wang

Xingsong Sun

Ruilang Cao

Lipeng Liu

Jin Pi

Yongyu Ling

Qingwei Duan

Ruizhi Fu

Xingchao Lin

Qiang Zhang

Yufei Zhao

Laiyou Cui

Yufeng Zhao

Fang Kang

The disclosure discloses an adaptive lining structure of a tunnel in complex environment and a construction method thereof, and relates to the technical field of tunnel construction, comprising a lining, a pressure regulating layer and a connecting cylinder; wherein the pressure regulating layer is provided between the lining and a surrounding rock; and the connecting cylinder is provided in the tunnel and runs through the top of the lining. The adaptive lining structure of a tunnel in complex environment and the construction method in the disclosure are simple in structure, reasonable in design and convenient for efficient construction; it can deal with engineering problems such as lining cracking caused by high internal water and high external water in the tunnel, and can ensure the safety of tunnel lining in different periods.

Tunnel adaptive lining structure in complex environment and construction method thereof

An advanced monitoring device and an implementation method for a whole-process deformation curve of a surrounding rock during tunnel excavation is disclosed, comprising a steel pipe elastic body, a cathetometer structure and an embedded optical fiber, and an implementation step; the cathetometer is an equidistant series structure, and fixed in the steel pipe; the embedded optical fiber is encapsulated in the surface slot of the steel pipe; the cathetometer and the embedded optical fiber and the steel pipe form a deformation coordination structure, and the deformation of the surrounding rock can be deduced by calculating the variation of the cathetometer and the deformation of the optical fiber. The invention can test and calculate the deformation curve of the surrounding rock in front of the excavation face during tunnel excavation, and provide support for engineering dynamic design, construction and safety.

Advanced monitoring device for whole-process deformation curve of surrounding rock of tunnel excavation and implementation method thereof

A backlight module is provided and the backlight module comprises a back plate, a frame, a light source, and a diffusion plate, wherein the diffusion plate is connected with and fixed to the frame or the back plate by hold structures that impose a tension effect on the diffusion plate. Also, a liquid crystal display device comprising the backlight module is provided.

Backlight module and liquid crystal display device

Growing community of inventors

Beijing, China

Ping Sun