問(wèn)答題已知某架空線路的導(dǎo)線為L(zhǎng)GJ-70/10,導(dǎo)線安全系數(shù)K=2.5,導(dǎo)線最低點(diǎn)的應(yīng)力σ0=109.84MPa,比載g7=65.675×10-3/m·mm2,試求某檔距為l=300m懸點(diǎn)等高時(shí)的導(dǎo)線懸點(diǎn)應(yīng)力

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