Seabed pipeline section cyclic loading measurement and control system

The utility model discloses a seabed pipeline section cyclic loading measurement and control system, including test tank, power transmission device, data acquisition device, vertical device and the experiment accessory of shifting, the experiment accessory includes many diameter diverse's steel pipe section and iron sand, one the steel pipe section is banketed as the detected pipeline section and is buried or directly place in the test tank, the detected pipeline section is followed test tank's width direction sets up, detected pipeline section top is equipped with the vertical device that shifts, vertical shift the device with the power transmission device is connected, data acquisition system is including drawing pressure sensor, depth transducer or amesdial, dynamic and static strain acquirement appearance, computer and one camera. The utility model discloses can simulate the submarine pipe line when taking place horizontal large displacement reciprocating motion, pipeline movement track and receive correlation between the ground soil body restraining force.