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公路工程基层施工中冷再生技术特点

来源:https://www.sddhfjx.com/ 日期:2021-11-13
1)目前.在不同道路结构中基层冷再生技术得到了广泛应用。通常情况下,冷再生技术主要应用于旧路结构大于5mm的较料含量较过30%的路面中。与此同时,按照不同结构材料,应选用与之相适应的稳定剂,水泥可以对塑性指数小于12的砂性土进行称定作业.可选用石灰、粉煤等对塑性指数在12-20之间的钻性土进行稳定。
1) At present, the cold regeneration technology of base course has been widely used in different road structures. Generally, the cold recycling technology is mainly applied to the pavement with more than 30% of the material content of the old road structure greater than 5mm. At the same time, according to different structural materials, appropriate stabilizers should be selected. Cement can weigh sandy soil with plasticity index less than 12. Lime and pulverized coal can be selected to stabilize drillable soil with plasticity index between 12-20.
2)这种施工工艺应用中具有较短的施工工期,主要应用在交通盘大、不进行交通阻断的道路施工中。严格按照原有道路实际状况.选用半幅施工的方式.防止道路长期限断悄况的出现。
2) This construction technology has a short construction period, and is mainly used in road construction with large traffic volume and no traffic interruption. In strict accordance with the actual conditions of the original road, the method of half width construction is selected to prevent the occurrence of long-term limit and quiet condition of the road.
冷再生机租赁
3)造价低是冷再生技术的重要特点。从进路施工成本来看,单层厚度在20 cm左右的冷再生基层结构其造价在每平方20-25元左右,与一样厚度的水泥稳定碎石相比,较低可降低15元/m2m。这种技术具有较好的经济效益。
3) Low cost is an important feature of cold regeneration technology. In terms of the construction cost of the access road, the cost of the cold recycled base structure with a single layer thickness of about 20 cm is about 20-25 yuan per square meter, which is lower and can be reduced by 15 yuan / M2M compared with the cement stabilized macadam with the same thickness. This technology has good economic benefits.
4)冷再生技术在道路基层中的应用可以有效进行资源节约。这种技术可以对原有路面结构材料进行较大程度的利用,将砂石等自然资源进行了有效节约,还可以对砂石料开采及废料占用的土地资派进行有效节约。
4) The application of cold regeneration technology in road base can effectively save resources. This technology can make greater use of the original pavement structural materials, effectively save natural resources such as sand and stone, and effectively save the land occupied by sand and stone mining and waste.
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