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< UL >open the website, enter the mobile phone number, select how many CPUs you want to use to mine, the default is to use 50% CPU to mine, click to generate your exclusive command and
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I. static method of aseismic retaining wall design atlas
FH = c1czkh Ψ G1
C1 - importance correction coefficient 1.1 CZ - comprehensive influence coefficient 0.25 KH - horizontal seismic coefficient 0.20 +
C1 Ψ — The distribution coefficient of horizontal seismic load along the wall height is 1.0
G1 - the weight of wall body of unit section is 70m2 × 18.5=1295KN Fh=1.1 × zero point two five × zero point two zero × one × 1295 = 71.3kn
2. Pseudo static method of code for seismic design of hydraulic structures
adding a horizontal seismic inertia force Qi Qi = khcz & # 8706 at the sliding weight center; Iwi
KH - horizontal seismic coefficient 0.15 CZ - comprehensive influence coefficient 0.25 & 8706; I - acceleration distribution coefficient 2.0 wi - weight of sliding body 1295kn Qi = 0.15 × zero point two five × two × 1295 = 97.2kn III. code for design of highway reinforced soil engineering
horizontal seismic force E = g × tan ζ G=W ζ= 2.50 G - weight of sliding soil ζ — Seismic angle
e = 1295 × Tg2.50 = 56.5kn
based on the different algorithms of the above specifications, the second horizontal seismic force FH = 97.2kn is taken to check the anti overturning safety factor of retaining wall: KS = MP / (MA + MH) MP -- the bending moment of passive earth pressure and fulcrum force on the pile bottom
MA -- bending moment of active earth pressure on pile bottom. MH - bending moment of horizontal seismic force on pile bottom. Ks=(1290.938+3402.781)/(2811.451+97.2 × 8)
Ks = 1.308 >= 200, meeting the requirements of the specification.