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3.1��ˮ�N��Єe

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��υ0——�y�Tȫ�_��r�Ĺܵ��٣�m/s
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3.2��ˮ�NӋ��
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��hm——��ˮ�N��ֵ
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ˮ�^	Ts��10s	Ts��20s	Ts��30s	Ts��40s	Ts��50s	Ts��60 s
H₀��88.10 kPa	σ=4160×1.1742/(9.81×8.99×10)	σ��2.769	σ��1.846	σ��1.385	σ��1.108	σ��0.923
	��=5.539	hm��8.56	hm��4.22	hm��2.64	hm��1.88	hm��1.44
	hm=5.539(5.539+(5.539²+4)^0.5)/2	Hmax��842.21 kPa	Hmax��459.91 kPa	Hmax��320.65 kPa	Hmax��253.72 kPa	Hmax��215.01 kPa
	��=31.65	��	��	��	��	��
	Hmax=(1+31.65)×88.10=2876.46kPa	��	��	��	��	��
H₀��201.88 kPa	σ��2.417	σ��1.209	σ��0.805	σ��0.604	σ��0.483	σ��0.40
	hm��6.71	hm��2.14	hm��1.19	hm��0.81	hm��0.61	hm��0.49
	Hmax��1556.53 kPa	Hmax��633.86 kPa	Hmax��442.07 kPa	Hmax��365.44 kPa	Hmax��325.06 kPa	Hmax��300.76 kPa

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