某土方路基质量评定,经对压实度、弯沉、平整度等8项指标检测,各指标合格率如表所示,其中压实度代表值大于压实度标准值,弯沉代表值满足要求。外观缺陷和资料不全扣分分别为8分和6分。Þ(·Ôobbs.3c3t.com])ZµPH>Þ(·Ôobbs.3c3t.com])ZµPH>检查项目Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 压实度Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 弯沉Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 纵断高程Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 中线偏位Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 宽度Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 平整度Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 横坡Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 边坡Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
|
合格率(%)Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 65Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 100Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 75Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 90Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 85Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 70Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 90Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 80Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
|
规定分Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 30Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 15Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 10Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 10Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 10Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 15Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 5Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
| 5Þ(·Ôobbs.3c3t.com])ZµPH> Þ(·Ôobbs.3c3t.com])ZµPH>
|
Þ(·Ôobbs.3c3t.com])ZµPH> 1. 请评定该路段土方路基质量等级。Þ(·Ôobbs.3c3t.com])ZµPH>2. 如评定结果不合格,那么如何改进该土方路基的质量?如评定结果合格,为了进一步提高该土方路基的质量,则应采取什么措施。Þ(·Ôobbs.3c3t.com])ZµPH>答案:Þ(·Ôobbs.3c3t.com])ZµPH>
、分析评定题Þ(·Ôobbs.3c3t.com])ZµPH>
1.工程的评分=30×0.65+15+10×0.75+10×0.9+10×0.85Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
+15×0.75+5×0.9+5×0.8-8-6=64.5 ( 分)Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
故质量等级评定为不合格。Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
2.改进措施:提高检查项目的合格率,纵观检测项目的合格率和规定分,首先应提高压实质量,进行补充压实,使压实度合格率提高。其次提高平整度合格率;补充质量保证资料,减少扣分;整修外观缺陷,减少扣分。Þ(·Ôobbs.3c3t.com])ZµPH>
Þ(·Ôobbs.3c3t.com])ZµPH>
土方
Þ(·Ôobbs.3c3t.com])ZµPH>