水工建筑物荷载计算讲稿定稿

1、计计算算抗抗倾倾、抗抗滑滑和和抗抗浮浮稳稳定定抗抗裂裂（裂裂缝缝宽宽度度）验验算算变变形形验验算算截截面面设设计计（配配筋筋计计算算）承承载载力力计计算算结结构构构构件件设设计计剪剪力力弯弯矩矩轴轴向向力力内内力力计计算算设设计计值值标标准准值值荷荷载载计计算算结结构构设设计计计计算算- 荷载是工程结构设计计算的基础，荷载计算是否正确直接关系到结构的安全适用性和经济合理性。GQ主动土压主动土压力力被动土压力被动土压力sin10K静止土压力系数K0值表02021KhEtan2120HW 02021KHE22020tan21KHE000tantanKEW)tanarctan(0K0E0000222

2、020022020)tantan1 (tanarctan)tantan1 (tan)tan(tan)tantan1 ()tantan1 (21)tantan1 (21)tantan1 (tan21KKEWKHEKHEHWaaKHE221222)-)cos(cos()-)sin(sin(1)cos(cos)(cosaK245tan2aKHcD2tanarctan 21)cos(2122axaaxKHKHE 21)(sin2122ayaayKHKHE)cos( aaxKK)(sin aayKKqh 0222212111211143212121 aaaadaaaaaKhKhhKhKqHEEEEE22

3、2)-)cos(cos()-)sin(sin(1)cos(cos)(cosiiiiiiaiK)tan)(tanctan-tantanA（tan A，)cos(aaxEE)sin(aayEE)tantan()sin()cos(K)1 (21101HhHhKtantan1dh122102103)2(3KHhhhHhHZytanyxZBZ1221KKHEaqh 01221KKHEa)tan)(tanctan-tantanA（)2)(tan)22()(2 000haHaHhaHHdbhabA，1221KKHEa)cos(aaxEE)sin(aayEE)tantan()sin()cos(K240312)

4、21 (21HhhHhHaKtantan1dhtantantan3abh314hhHh12440233)23()(3KHHhhhhHaHZytanyxZBZ)tan)(tanctan-tantanA（200)(tan)2(2 aHaHHhbabA，1221KKHEa)cos(aaxEE)sin(aayEE)tantan()sin()cos(K220312)21 (21HhhHhHaKtantan1dhtantan02bhtantantan3abh3214hhhHh124220233)263()(3KHHhhhhhHaHZytanyxZBZ321aaaaEEEEppKHE221222)(cos)

5、(cos)(sin)(sin1coscoscospK3H)tan)(tanctan-tantanA（ 66.5317.514.0335 019300.4)233)(6(6tan14.0340232665054402543 2tan222000.).().(.)haH)(aH()haH(H)db(habA0.616 )0193. 0)(tan66.53tan66.53(ctan35-tan66.53tan64.31m545. 564.31tan) 36(tan)(aHem5 . 303.14tan65 . 05 . 4tanHdbfm0 . 903.14tan65 . 55 . 05 . 4ta

6、n0Hbdbggef3468. 0)03.14tan64.31(tan)53.6664.31sin()3564.31cos( )tan(tan)sin()cos(Km 3626. 206. 35774. 06m 06. 364.31tan03.14tan64.31tan35 . 4tantantanm 5774. 064.31tan03.14tan5 . 0tantan31431hhHhabhdh7975. 163626. 24 . 02)6206. 31 (6321 2)21 (21224031HhhHhHaK主动土压力E0土压力作用点位置ZykN 62.105)5 .1703.14sin(

7、97.201)sin(kN 15.172)5 .1703.14cos(97.201)cos(kN 97.2017975. 13468. 0185 . 02100120EEEEKKHEyxm 11. 27975. 163)623626. 23(3626. 24 . 0)06. 36(336 3)23()(3221244023KHHhhhhHaHZy动水压力动水压力静水压力静水压力水压力水压力22zxPPPcos PPxsin PPzPppppcoshPwtrApPtrtrApPfrmfr231. 22vKpwpfr22vKAFww220vAKPwdir2121(coscos)(sin+sin)x

8、twytwPqvPqv12、BLHUw21LxHHxLBLHHUw)(21720wwzszk海南各地基本风压表 摘自GB50009-2012建筑结构荷载规范附录E2kN/m 366. 036. 013. 19 . 01kwkN 94. 906.1146. 2366. 0槽槽身身PkN 13. 512. 3/61. 194. 9/1LhPTx槽槽身身kN 13. 512. 3/61. 194. 9/2LhPTx槽槽身身0)1 (wwzszP2kN/m 749. 036. 08 . 03 . 11) 11 (PwkN659. 00.88 749. 02 . 24 . 01PwPkN198. 16 . 1 749. 044 . 032PwPP汽汽汽汽qh0LBQh00汽汽汽汽tan30)2(0