Loading device and loading method for static load test

Abstract

The invention provides a loading device and a loading method of a static load test. The loading device comprises a test box containing a soil body and a model pile with one end inserted into the soil body. The loading device further comprises two supporting locating frames, two fixed pulleys and two pulling force ropes. The two supporting locating frames are vertically fixed above the test box. Two coaxial rolling wheels are arranged on the top of each supporting locating frame. A traction rope winds each rolling wheel. The two fixed pulleys are placed in the two supporting locating frames respectively. Each fixed pulley is arranged on a pulley shaft in a rotatable mode. The two ends of each pulley shaft are hung on the two traction ropes in a suspending mode. One end of each pulling force rope is fixedly connected at a loading point of the model pile, the other end of each pulling force rope winds the corresponding fixed pulley and is connected with a weight, the two pulling force ropes are placed on the two sides of the model pile respectively, and the projection images on the horizontal plane are on the same straight line. According to the loading device and the loading method, various loading modes such as horizontal loading, longitudinal loading and coupling loading can be achieved, and the requirements of the structure static load test are met.

Description

technical field [0001] The invention relates to a loading device and a loading method, in particular to a loading device and a loading method for a static load test. Background technique [0002] The static load test of the structure refers to applying the longitudinal compression load, longitudinal uplift load or horizontal load step by step at the loading point of the structure, and observing the settlement displacement, uplift displacement or horizontal displacement of the structure over time to determine the corresponding Structural longitudinal compressive capacity, structural longitudinal uplift capacity or structural horizontal capacity. [0003] At present, in the loading process of the static load test of the structural model, only a single longitudinal or horizontal loading method can be used. The longitudinal loading mainly uses the lever principle, and the horizontal loading mainly uses the fixed pulley. These two loading methods cannot realize the coupling of st...

AI Technical Summary

Problems solved by technology

[0003] At present, in the loading process of the static load test of the structural model, only a single longitudinal or horizontal loading method can be used. The longitudinal loading mainly uses the lever principle, and the horizontal loading mainly uses the fixed pulley. These two loading methods cannot realize the coupling of static loads.

However, in actual engineering, structures are often subject to longitudinal and horizontal loads at the same time, therefore, only using existing test devices and test methods cannot meet the actual requirements of structural static load tests

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