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1)  granular cushion
级配碎石垫层
1.
Research on nonlinear property and granular cushion modulus of granular cushion asphalt pavement;
级配碎石垫层沥青路面非线性分析及模量研究
2)  gradated sand-stone cushion
级配砂石垫层
1.
Replacing and treating thinner and softer foundation with gradated sand-stone cushion is economical and practical.
用级配砂石垫层换填处理薄层软土地基是一种经济实用的方法。
3)  gravel mattress
碎石垫层
1.
To have a further study of the new type soft subgrade reinforcing system of geocell reinforced gravel mattress and gravel pile composite foundation of its mechanism of load capacity and settlement development,three comparative model tests were designed and carried out under the direction of similarity theory and similarity criterions deduced through dimension analysis method.
为深入研究土工格室碎石垫层-碎石桩复合地基这一新型多元复合地基加固体系的承载力和沉降变形机理,应用量纲分析法推导了土工格室碎石垫层-碎石桩复合地基模型试验的相似准则,根据相似理论设计和完成了3组具有可比性的模型试验,获得大量荷载-沉降、桩土应力比和应力分布数据。
4)  gravel cushion
碎石垫层
1.
Corresponding calculation method and construction technique of gravel cushion for soft soil foundation treatment are briefly introduced.
结合具体的工程实践,对其工程地质和水文条件进行了分析,简述了碎石垫层处理软土地基的计算方法及具体的施工过程,实践证明,碎石垫层处理软土地基施工方便,工艺简单,质量易控制。
2.
Several methods are used are to test the physicomechanical indices of the gravel cushion.
某厂对其碎石垫层地基使用多种方法现场测试其物理力学指标,并作室内模拟试验。
5)  unbound graded base
级配碎石基层
1.
On the basis of current unbound graded base, this paper discusses well-graded and well-compacted unbound aggregate mixture, which form stone-on-stone skeleton, makes a significant structural contribution, and shows a good drainage performance.
从级配碎石基层的研究现状出发,讨论了级配碎石在级配良好并得到充分压实的情况下,利用其嵌挤作用,具有良好的承载能力、排水性能。
2.
On the basis of current unbound graded base, this paper discusses well-graded and well-compacted unbound aggregate mixture, which form stone-on-stone skeleton, make a significant structural contribution, and shows a good drainage performance.
从级配碎石基层的研究现状出发,讨论了级配碎石在级配良好并得到充分压实的情况下,利用嵌挤作用能否使其具有良好的承载能力、排水性能的问题。
6)  grade crushed stone middle course
级配碎石夹层
补充资料:级配路面
      用天然砾石或机轧碎(砾)石按最佳级配原理将粗、细料及粘土进行配料,拌和铺筑的路面,又称级配碎、砾石路面。具有较高的密实性、水稳性和一定的力学强度,所用石料须在4级以上,面层混合料塑性指数在8~14之间。基层混合料塑性指数不大于4。
  
  级配混合料可以根据粗、细料料源筛分结果。按规定要求,用计算法或图解法进行配料。施工时可用平地机、多铧犁或人工拌和。先摊铺粗料,次铺粘土,再铺细料,按最佳含水量边拌边洒水,松铺系数为1.3~1.4。混合料拌匀摊平后,先轻压2~3遍,再重压6~8遍,至表面无明显轮迹为止。
  
  为了减少路面的磨损和破坏并提高路面的平整度,多在级配碎(砾)石路面之上加铺磨耗层或保护层。磨耗层一般用20毫米以下具有级配的粒料并掺入结合料加水拌和铺成。保护层用掺有粘土的混合料铺筑,也可用干净的粗砂或小砾石铺筑。磨耗层及保护层亦常用于其他碎石路面。
  

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