纳界(jie)(jie)河特大(da)杀人案桥(qiao)建在林(lin)织(zhi)(zhi)（新）线林(lin)歹(dai)南至织(zhi)(zhi)金(jin)段坪(ping)子(zi)上(shang)至大(da)冲区段，清镇(zhen)市与织(zhi)(zhi)金(jin)县交壤处的(de)大(da)寨村的(de)纳界(jie)(jie)河上(shang)，该桥(qiao)期间里(li)数(shu)为(wei)ZDK24+008.00。主(zhu)桁为(wei)352m上(shang)承式(shi)钢桁拱，引桥(qiao)及拱上(shang)梁跨配备为(wei)3×24简(jian)支(zhi)梁+1×32简(jian)支(zhi)梁+2×48T构+11×24.7钢混取得联系梁+2×??48T构+7×32简(jian)支(zhi)梁，长度(du)810.10m，。全桥(qiao)基本(ben)材质为(wei)Q370qE、Q345qE、Q345qD，全桥(qiao)总重约9000吨。

我司(si)受聘该(gai)桥(qiao)安(an)全(quan)装置建(jian)设，该(gai)桥(qiao)必备条件总未(wei)能长、分(fen)布(bu)(bu)复杂化、建(jian)设困难大等代(dai)表性。跨径(jing)安(an)装：主(zhu)(zhu)桥(qiao)事(shi)实(shi)效果跨径(jing)为L=352m，拱(gong)(gong)(gong)座根(gen)本点全(quan)部放(fang)在岸坡(po)保持不变线(xian)(xian)(xian)内(nei)；矢跨如(ru)果矢高(gao)(gao)(gao)：主(zhu)(zhu)桥(qiao)为上承式(shi)提(ti)篮钢桁拱(gong)(gong)(gong)分(fen)布(bu)(bu)，矢高(gao)(gao)(gao)64.5m，矢跨比1/5.46；拱(gong)(gong)(gong)轴中央(yang)商(shang)线(xian)(xian)(xian)在XOZ三(san)维立(li)体(ti)空(kong)间及竖向三(san)维立(li)体(ti)空(kon??g)间内(nei)为悬链(lian)线(xian)(xian)(xian)，拱(gong)(gong)(gong)轴指数(shu)m=1.5。主(zhu)(zhu)桥(qiao)为上承式(shi)提(ti)篮钢桁拱(gong)(gong)(gong)分(fen)布(bu)(bu)，主(zhu)(zhu)桁为N型架，拱(gong)(gong)(gong)顶处弦杆(gan)建(jian)筑(zhu)剖面(mian)(mian)投射桁高(gao)(gao)(gao)8.0m，拱(gong)(gong)(gong)脚处弦杆(gan)建(jian)筑(zhu)剖面(mian)(mian)投射桁高(gao)(gao)(gao)13.0m，节间的(de)情况投射尺寸8.2333m。拱(gong)(gong)(gong)顶处主(zhu)(zhu)桁中央(yang)商(shang)距8.0m，拱(gong)(gong)(gong)角(jiao)处主(zhu)(zhu)桁中央?(yang)商(shang)距27.0m，弦杆(gan)内(nei)坡(po)度8.37867°。弦杆(gan)横截面(mian)(mian)中央(yang)商(shang)至拱(gong)(gong)(gong)角(jiao)事(shi)实(shi)效果中央(yang)商(shang)的(de)竖向距离64.5m。

图1：纳界河高架桥进行施工场地

图2：纳界河立交桥水泥地面功夫

图3：纳界河大桥全貌