CECS141-2002给水排水工程埋地钢管管道结构设计规程.pdf-2020-10-12-23-19-28-994.docx

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1、SpecificationforstructuraldesignofburiedsteelpipelineofwatersupplyandsewerageengineeringCECS141:20022003312GBJ69849411GB50068GB50153GBJ6984[1986]1649CECS14120023.1.11.2.15.1.55.2.25.2.45.2.55.3.38.0.18.0.78.0.98.0.10CECS/TC17100045200212253.......................................

2、....................31.......................................................52....................................................53.......................................................73.1.................................................73.2..................................

3、...............84............................................84.1........................................84.2..............................................84.3................................95..................................................115.1...............................

4、.................115.2...................................125.3...................................146...........................................146.1................................................146.2................................................167...........................

5、........................178...................................................17A.......19B......................................20...................................................22411.0.11.0.21.0.3GB503321.0.41.0.5GB5026822.0.2FvkFfw,kFsv,kFwkFwd,kFtkG1kGwkqvkqmkωmax52.0.2Eρ

6、EeEnEdfαγsνpνs2.0.3abb0D1D0Hsr0r1t1t02.0.4CG1CG,sv6CGwCCCCCQ,wdQvQmQtQSDLkkkgmvmwmkbKsKstKfγγγγG1G,svGwGsγQψcψq33.13.1.1Q235GB/T7003.1.21GB/T51172GB/T1495773.23.2.1GB500173.2.23.2.23.2.2EγpstανN/mm2kN/m3ρ2.0610578.51210-60.344.14.1.1124.1.24.1.34.1.44.24.2.1G1kγstπD0t4.2.1G1kkN

7、/m8D0mtmmγst3.2.24.2.2FγHDsv,kss14.2.2Fsv,kkN/mγskN/m3HsmD1m4.2.3γ3w10kN/m4.2.4GB500074.34.3.11Fwd,k=Fwk+0.54.3.1-1Fwd,k0.9FwkMPa2F=1.5Fwd,kwk4.3.1-2F4.3.2vk0.05MPaψq=04.3.3qmk10kN/m2ψq=0.594.3.414.3.4-1Qdvkqvk4.3.4-1(a1.4z)(b1.4z)QvkkNqkN/m2vkd4.3.4-1ambmzm4.3.4-1d(m)0.2

8、50.30.40.50.60.7d1.31.251.21.151.051.024.3.4-2