A survey on the influence of intense rainfall induced by climate warming on operation safety and service life of urban asphalt pavement

Journal of Infrastructure Preservation and Resilience

Table 1 Criteria and classification of urban waterlogging for typical regions [33]

	Criteria			Classification
Regions	Depth H /cm	Scope S / m²	Period t / min	Mild	Medium	Severe
Normal straight road	≥15	≥300	≥60	15 ≤ H < 25	25 ≤ H < 40	H ≥ 40
Crossroads	≥15	≥100	≥30	15 ≤ H < 25	25 ≤ H < 40	H ≥ 40
Concave bridge	≥27	≥100	≥30	27 ≤ H < 35	35 ≤ H < 45	H ≥ 45
Subway entrance	≥25	≥50	≥15	25 ≤ H < 35	35 ≤ H < 65	H ≥ 65
Underground garage entrance	≥15	≥100	≥30	15 ≤ H < 25	25 ≤ H < 30	H ≥ 30