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<FONT size=2><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px >一、支座的病害症状及原因分析</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 1.支座脱空：支座垫石和梁底钢板不水平。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 2.支座异常变形：大多因为落梁时不够平稳，支座存在较大的初始剪切变形。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 3.支座不能正常滑动：墩顶落有大量的混凝土垃圾，不锈钢板锈蚀，摩阻力变大。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 4.支座开裂：施工因素、支座质量问题、超载车辆的影响、支座垫石的影响以及其他因素。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px >二、主要更换方案</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 1.扁型千斤顶法</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 把超薄的液压千斤顶安放在主梁与盖梁的狭小的空间内，直接顶升梁体，利用百分表观测梁体上升的速度，以保证桥跨各梁体受力均匀同步提升。该方法是目前使用最广泛的顶升方法。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 2.鞍型支架法<SPAN class=Apple-converted-space> </SPAN></SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 用桥墩本身做支撑在盖梁上搭设支架，设计成“鞍型支架”，放置千斤顶来顶升梁体。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 3.枕木满布式支架法</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 在地面上设置枕木，以枕木为基础，设置满布式或部分木支架至桥梁梁体处，在支架上安置千斤顶顶升梁体。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 4.鞍型支架法</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 用桥墩本身做支撑在盖梁上搭设支架，设计成“鞍型支架”，放置千斤顶来顶升梁体。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px >三、方案的实施</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 1.配载计算及配载车布置</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 为保证一孔桥梁的整体受力及同步顶升，首先应按照设计文件计算桥面、中梁、边梁、护栏等上部构造的重量，然后根据整体重量均衡的原则进行配载，通常选用车辆均匀布置配载，保证顶升过程中受力均衡。</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 2.主要施工材料设备</SPAN><BR style= WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px ><SPAN style= DISPLAY: inline! important; FLOAT: none; WORD-SPACING: 0px; FONT: small/22px 宋体; TEXT-TRANSFORM: none; COLOR: rgb(50,50,50); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-ALIGN: left; font-size-adjust: none; font-stretch: normal; webkit-text-stroke-width: 0px > 机械名称：发电机组，电焊机，液压站，单向超薄千斤顶，百分表，手动千斤顶，配载车，登高吊篮架，气割设备，液压分配均衡器，高压分配油管。</SPAN></FONT> |
