Seismic Analysis of Connections of Buried Continuous Pipelines

Table 4

Parameters of cruciform connection in different cases.

Case	Site types	Branch angles (°)	Diameters (m)	Incident angles (°)
Case C-1	I, II, III, IV	90	0.4064	45
Case C-2	II	30, 45, 60, 90	0.4064	45
Case C-3	II	90	0.2191, 0.4064, 0.610	45
Case C-4	II	90	0.4064	30, 45, 60