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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">大雪过后，导电混凝土来解决出行问题 </h1> <p class="xg1"> 时间：2016-2-1 13:29<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1386)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=3965&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>一场大雪过后,人工铲雪是避免路滑解决出行问题的方法之一,但耗费的人力工时过大,有时刚处理完一处，但天公不作美，又开始了第二轮，第三轮的大雪，雪是铲也铲不完，特别是一些高速、桥梁等一些位置需要及时的处理， ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 昨天，中国大部分地区迎来了一场超强暴风雪，这场世纪寒潮给人们带来美丽的雪景的同时，也给人们的出行造成了非常大的困扰，今天，许多城市的人们都在忙着除雪，</div><div><p style="text-align: center;"><a href="data/attachment/portal/201602/01/134519eroagxvkxxaxbzku.jpg" target="_blank"><img src="data/attachment/portal/201602/01/134519eroagxvkxxaxbzku.jpg"></a> </p><p style="text-align: left;"><span style="line-height: 25.2px;"> 不然就会发生这样的事情：</span></p><p style="text-align: center;"><a href="data/attachment/portal/201602/01/134520pyym5griblcs958q.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/01/134520pyym5griblcs958q.jpg"></a></p><p style="text-align: center;"><br></p><p style="text-align: center;"><a href="data/attachment/portal/201602/01/134521lwq7mxsw7m7ymv7x.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/01/134521lwq7mxsw7m7ymv7x.jpg"></a></p><p style="text-align: center;"><br></p><p style="text-align: center;"><a href="data/attachment/portal/201602/01/135001ixzzeruzurepppir.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/01/135001ixzzeruzurepppir.jpg"></a></p></div><div><p style="text-align: center;"><br></p></div><div> 一场大雪过后,人工铲雪是避免路滑解决出行问题的方法之一,但耗费的人力工时过大,有时刚处理完一处，但天公不作美，又开始了第二轮，第三轮的大雪，雪是铲也铲不完，特别是一些高速、桥梁等一些位置需要及时的处理，这该如何是好呢？放心，据说有人<span style="line-height: 25.2px;">打造了一款导电混凝土</span>，可在大雪来临时加热路面来融雪。</div><div> 来自内布拉斯加大学的土建工程师克里斯却有一个新点子，他打造了一款导电混凝土，可在大雪来临时加热路面来融雪。除了保持原有的水泥，沙子和水等成分，克里斯还为这种导电混凝土加入了20%的钢屑和超微粒，而这些<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>只是常见的工业废料，无需专门<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>。混凝土凝结后，就可通过金属棒为其通电，这样混 凝土就可发热并熔化路面的积雪。</div><div style="text-align: center;"><p><a href="data/attachment/portal/201602/01/140649om4pwv4crf35ztv6.png" target="_blank"><img src="data/attachment/portal/201602/01/140649om4pwv4crf35ztv6.png"></a></p></div><div> 眼下，克里斯正在对该混凝土进行<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>，如果测试成功，美国联邦航空局（FAA）就将在各大机场展开这项技术，以解决大雪造成的飞机延误问题。</div><div>当然，除了机场，该技术也能成为城市的福音。2003年，克里斯开始在一座桥上对导电混凝土进行为期5年的测试。测试结果表明，这座大桥很好地解决了桥面结冰的问题。此外，在持续三天的暴风雪中，导电混凝土融雪只花了250美元，这比出动铲雪机和抛洒融雪剂的成本要低得多。<span style="line-height: 1.8em;">此后，克里斯一直致力于降低导电混凝土的制造成本，经过几年的研究，这种材料的成本已经从600美元每立方降到了300美元。</span></div><div> 不过相比传统混凝土，在价格上它还是要贵出不少（普通混凝土每立方120美元）。其实克里斯认为无需在所有道路上使用导电混凝土，政府只需在十字路口，出口坡道和爬坡路段等事故高发区普及该技术就好。</div><div> 克里斯表示在实验中他发现这种混凝土的运营成本很低，每平方英尺只需2美分。此外，其维护成本更是趋近于零。</div><div> 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