mso-hansi-font-family:"Times New Roman"">一、产品简介:
CBR浸水膨胀附件符合:《公路路基设计规范》(JTJ 013-95)和《公路路基施工技术规范》(JTJ 033-95)。
mso-hansi-font-family:"Times New Roman"">二、CBR "Times New Roman"">浸水膨胀附件主要技术指标:
1、试筒尺寸:Φ152 mso-hansi-font-family:"Times New Roman"">×120mm
2、荷载板重量:1.25kg/块
mso-hansi-font-family:"Times New Roman"">三、CBR "Times New Roman"">浸水膨胀附件标准配置:
mso-hansi-font-family:"Times New Roman"">击实锤:1 "Times New Roman"">套(锤重4.5kg "Times New Roman"">,落高450mm "Times New Roman"">)
CBR压头:1 mso-hansi-font-family:"Times New Roman"">只(直径50mm "Times New Roman"">)
CBR筒:9 mso-hansi-font-family:"Times New Roman"">只(内径Φ152mm "Times New Roman"">、高170mm "Times New Roman"">)
mso-hansi-font-family:"Times New Roman"">套环、底座螺栓:1 "Times New Roman"">套
mso-hansi-font-family:"Times New Roman"">垫块:1 "Times New Roman"">个(Φ151mm "Times New Roman"">、高50mm)
CBR浸水膨胀附件 LQ-P mso-hansi-font-family:"Times New Roman"">浸水膨胀附件
mso-hansi-font-family:"Times New Roman"">透水板:9 "Times New Roman"">套
mso-hansi-font-family:"Times New Roman"">多孔底板:9 "Times New Roman"">套
mso-hansi-font-family:"Times New Roman"">百分表架:9 "Times New Roman"">套
mso-hansi-font-family:"Times New Roman"">加载板:36 "Times New Roman"">件(外径Φ150mm "Times New Roman"">、内径Φ52mm "Times New Roman"">)
mso-hansi-font-family:"Times New Roman"">四、CBR "Times New Roman"">浸水膨胀附件试验原理:
mso-hansi-font-family:"Times New Roman"">试验时,按路基施工时的含水量及压实度要求在试筒内制备试件;为了模拟材料在使用过程中的最不利状态,加载前饱水4 mso-hansi-font-family:"Times New Roman"">昼夜;在浸水过程中及贯人试验时,在试件顶面施加荷载板以模拟路面结构对土基的附加应力;贯人试验中,材料的承载能力越高,对其压入一定贯人深度所需施加的荷载越大。