Seismic Analysis of Connections of Buried Continuous Pipelines

Table 17

Parameters of Y-shaped connection in different cases.

Case	Site types	Branch angles (°)	Diameters (m)	Incident angles
Case Y-1	I, II, III, IV	45	0.4064	45
Case Y-2	II	30, 45, 60	0.4064	45
Case Y-3	II	45	0.2191, 0.4064, 0.610	45
Case Y-4	II	45	0.4064	30, 45, 60