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With the engineering background of Changchun metro line 2 proposed prefabricated metro station named Yuanjiadian station and with the final destination of studying the tenon-groove grouting joint's mechanical property of fabricated blocks, prototype test system of joint has been developed and stages test has been finished. The test system in- cludes loading system, test and monitoring system, assembling and grouting system, lifting and installation system and so forth which can complete the four-point bending test and four-point shearing test at any axial force of the prototype joint. Afterwards, in different conditions (different grouting ranges, different grouting materials and different tenons) the de- structive test of axial force combining with bending moment has been done. Ultimate flexural capacity and flexural rigid- ity of the certain single tenon-groove joint was got and the safe bending moment of the joint was shown providing guid- ance for the design and construction.

Rapid Development and Application of Prototype Test System of Prefabricated Metro Station Structure Joint