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發(fā)布時(shí)間: 2021-11-30 09:04
正文摘要:40.6米預(yù)制箱梁澆筑完成 截面更薄:每延米重量降低6% “標(biāo)準(zhǔn)高鐵橋梁長(zhǎng)32米,梁體重量近800噸,現(xiàn)在我們巢馬鐵路箱梁增加了8.6米,橋墩之間跨度增加8米,梁高增加20厘米,腹板預(yù)應(yīng)力束變?yōu)?2孔預(yù)應(yīng)力束單 ... |
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