Abstract

ABSTRACT This study compared the response characteristics of circumferential joints with different bolt types under seismic loading. The variations in the openings under different types of bolt joints were marginal and could be maintained within 10%. The stress experienced by the oblique bolt was twice as high as that of the curved bolt. Under longitudinal and transverse excitation, the maximum concrete tensile stress on the segment surface ranks as follows: oblique bolt joint (2.1; 3.9 MPa) > straight bolt joint (1.7; 2.0 MPa) > curved bolt joint (0.7; 1.2 MPa), with the oblique bolt joint exhibiting the largest stress.

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