Seismic cracking mechanism and control for pre-stressed concrete box girders of continuous rigid-frame bridges: Miaoziping bridge in Wenchuan earthquake as an example

Advances in Bridge Engineering

Table 1 Information of the earthquake records

Station No.	Name	Site Classification	Fault Distance (km)	PGA(g)
Station No.	Name	Site Classification	Fault Distance (km)	EW	NS	UP
051WCW	Wenchuan Wolong	II	20.33	0.957	0.652	0.948
051SFB	Shifang Bajiao	II	12.51	0.556	0.581	0.633
051MZQ	Mianzhu Qingping	II	2.25	0.824	0.802	0.622
051MXT	Maoxian Diban	Bedrock	25.45	0.306	0.302	0.266
051LXT	Lixian Taoping	II	45.67	0.339	0.342	0.379
051LXM	Lixian Muka	II	58.35	0.32	0.283	0.357
051LXS	Lixian Shaba	ground soil	76.68	0.221	0.261	0.211
051BXZ	Baoxing Mingzhi	ground soil	30.59	0.153	0.117	0.109