<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">新型罐底防腐</span></span></span><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">一改传统</span>30<span style="font-family:宋体">号沥青与河沙的拌合方式，采用</span><span style="font-family:Calibri">60</span><span style="font-family:宋体">号沥青与机制砂拌合，制成的成品料，可以应对</span><span style="font-family:Calibri">-40</span><span style="font-family:宋体">摄氏度</span><span style="font-family:Calibri">~50</span><span style="font-family:宋体">摄氏度温度变化，达到环保施工。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">垫层的技术性要求:</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">一是绝缘性能好，材料在和金属发生摩擦和碰撞等机械作用的时候，避免发生火花和产生灼热。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">二是力学强度高、承载力强。在油罐整体都被重装的情况下，基面要有足够的强度去承载，满足安全储油和化学物质的安全性。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">三是耐候性能优良。由于沥青砂浆是一种弹塑性材料，强度会随着气温的变化而产生变化，</span></span></span><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">，性能稳定，高温不流淌低温不脆裂。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">材料的选择:</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">沥青:</span></span></span><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">垫层材料采用的是</span>60<span style="font-family:宋体">号沥青，添加了改性填料，从根本上提高了垫层的耐热度，可在</span><span style="font-family:Calibri">-30</span><span style="font-family:宋体">℃&mdash;&mdash;</span><span style="font-family:Calibri">50</span><span style="font-family:宋体">℃之间施工，沥青质量符合《</span><span style="font-family:Calibri">GB50494</span><span style="font-family:宋体">》标准。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">砂子:</span></span></span><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">采用的是机制砂，针状比结构可以让集料与沥青的粘合度更强、压实密度更高，从而增加基面的载重性。</span></span></span></span></span></p>
<p style="margin-left:0pt; margin-right:0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">罐底防腐工程中对于沥青砂材料的环保性能和耐候性要求严格，</span></span></span><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><strong><span style="font-family:宋体">安徽蚌埠沥青砂</span></strong></span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-family:宋体">华通公司研发生产，罐底防腐环保新材料。</span></span></span></span></span></p>