Chapter 3 Water Effects 3.1 Hydrostatic pressure 3.2 Dynamic water pressure 3.3 Wave load 3.4 Buoyancy 3.5 Ice load 3.6 Impact force 山东理王大军 SHANDONG UNIVERSITY OF TECHNOLOGY
Chapter 3 Water Effects 3.1 Hydrostatic pressure 3.2 Dynamic water pressure 3.3 Wave load 3.4 Buoyancy 3.5 Ice load 3.6 Impact force
3.1 Hydrostatic pressure Hydrostatic pressure Two effects: (1)Chemical effect:corrosion,intrusion,ect (2)Mechanical effect:water pressure 山东理子大军 SHANDONG UNIVERSITY OF TECHNOLOGY
3.1 Hydrostatic pressure • Hydrostatic pressure Two effects: (1) Chemical effect: corrosion, intrusion, ect (2) Mechanical effect: water pressure
G 5东理子大军 SHANDONG UNIVERSITY OF TECHNOLOGY
归东理子大名 SHANDONG UNIVERSITY OF TECHNOLOGY
3.1 Hydrostatic pressure ·Hydrostatic pressure静水压力 Po 由于液体性质受大气影响不大，水面及挡水结构物 p=p。+yh 周围都有大气压力作用，处于相互平衡状态，在确 h yh 定液体压强时常以大气压强为基准点。以大气压强 为基准起算的压强称为相对压强，工程中计算水压 力作用时，只考虑相对压强： p=Yh 归东理王大军 SHANDONG UNIVERSITY OF TECHNOLOGY
3.1 Hydrostatic pressure 0 pp h = + γ 𝑝𝑝0 𝛾𝛾𝛾 由于液体性质受大气影响不大，水面及挡水结构物 周围都有大气压力作用，处于相互平衡状态，在确 定液体压强时常以大气压强为基准点。以大气压强 为基准起算的压强称为相对压强，工程中计算水压 力作用时，只考虑相对压强: 𝒑𝒑 = 𝜸𝜸𝜸𝜸 • Hydrostatic pressure 静水压力