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公路工程基層施工中冷再生技術(shù)特點(diǎn)

來源：http://www.stkehao.cn/ 日期：2021-11-13

1)目前.在不同道路結(jié)構(gòu)中基層冷再生技術(shù)得到了廣泛應(yīng)用。通常情況下，冷再生技術(shù)主要應(yīng)用于舊路結(jié)構(gòu)大于5mm的較料含量較過30%的路面中。與此同時(shí)，按照不同結(jié)構(gòu)材料，應(yīng)選用與之相適應(yīng)的穩(wěn)定劑，水泥可以對(duì)塑性指數(shù)小于12的砂性土進(jìn)行稱定作業(yè).可選用石灰、粉煤等對(duì)塑性指數(shù)在12-20之間的鉆性土進(jìn)行穩(wěn)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)這種施工工藝應(yīng)用中具有較短的施工工期，主要應(yīng)用在交通盤大、不進(jìn)行交通阻斷的道路施工中。嚴(yán)格按照原有道路實(shí)際狀況.選用半幅施工的方式.防止道路長(zhǎng)期限斷悄況的出現(xiàn)。

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.
冷再生機(jī)租賃

3)造價(jià)低是冷再生技術(shù)的重要特點(diǎn)。從進(jìn)路施工成本來看，單層厚度在20 cm左右的冷再生基層結(jié)構(gòu)其造價(jià)在每平方20-25元左右，與一樣厚度的水泥穩(wěn)定碎石相比，較低可降低15元/m2m。這種技術(shù)具有較好的經(jīng)濟(jì)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)冷再生技術(shù)在道路基層中的應(yīng)用可以有效進(jìn)行資源節(jié)約。這種技術(shù)可以對(duì)原有路面結(jié)構(gòu)材料進(jìn)行較大程度的利用，將砂石等自然資源進(jìn)行了有效節(jié)約，還可以對(duì)砂石料開采及廢料占用的土地資派進(jìn)行有效節(jié)約。

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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