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<font color="#2d64b3">西双版纳</font>大桥位于<font color="#2d64b3">西双版纳</font>州府<font color="#2d64b3">景洪</font>市,跨越<font color="#2d64b3">澜沧江</font>,是我省目前跨径最大,桥面最宽的<font color="#2d64b3">斜拉桥</font>.<font color="#2d64b3">西双版纳</font>大桥全长约600.24m,总高107.5m,设计<font color="#2d64b3">荷载</font>为汽车-超20级,挂-120级,人群3.5kN/m2.桥下净空按Ⅳ-2限制性<font color="#2d64b3">航道</font>等级要求,净宽80m,<font color="#2d64b3">净高</font>8m,最高通航水位546.8m,设计洪水频率:1/100.西双<font color="#2d64b3">版纳</font>大桥主桥为2×156m的A型独塔双索面<font color="#2d64b3">斜拉桥</font>,飘浮体系,拉索采用扇形平面布置,全桥共布2×18对斜拉索.主跨<font color="#2d64b3">主梁</font>采用<font color="#2d64b3">钢筋砼</font>π型梁,<font color="#2d64b3">引桥</font>为<font color="#2d64b3">预应力</font>砼工字梁,全桥3×29.94m+2×156m+2×27.94m.桥面总宽是变化的,但机动车道,<font color="#2d64b3">非机动车道</font>和<font color="#2d64b3">人行道</font>的宽度不变,桥塔处宽30.76m,主桥端头宽28.0m,<font color="#2d64b3">引桥</font>宽26.6m,桥面为:15m机动车道+2×3m<font color="#2d64b3">非机动车道</font>+2×2m<font color="#2d64b3">人行道</font>.<br>
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<span class="y">2013-11-25 15:29 上传</span>
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西双版纳大桥<br>
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<span class="y">2013-11-25 15:40 上传</span>
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太美了，{:5_127:}</td></tr></tbody></table>
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《西双版纳大桥》<br>
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<span class="y">2013-11-25 15:48 上传</span>
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{:5_123:}</td></tr></tbody></table>
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《西双版纳大桥》<br>
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<span class="y">2013-11-25 15:56 上传</span>
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<div class="quote"><blockquote><font size="2"><font color="#999999">龙池知青 发表于 2013-11-25 15:40</font></font><br>
西双版纳大桥</blockquote></div><br>
喜欢这张。。<br>
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{:5_123:}{:5_123:}顶起来</td></tr></tbody></table>
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修得好漂亮哦{:5_123:}{:5_123:}</td></tr></tbody></table>
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紫外线好强</td></tr></tbody></table>
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天蓝、水清，好美的风景！</td></tr></tbody></table>
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发表于 2019-4-7 16:07:58