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为什么利用冷再生机施工?

来源:https://www.sddhfjx.com/ 日期:2022-02-25
为什么需要利用冷再生施工,究竟冷再生机租赁公司租赁的冷再生设备能具有多大的作用,它的施工速率如何,成本增加不高,究竟怎么样,接下来让大黄蜂工程机械给各位解释关于冷再生施工的几个优点。
Why do we need to use cold regeneration for construction? What is the function of the cold regeneration equipment leased by the cold regeneration machine leasing company? What is its construction rate and low cost increase? Next, let Bumblebee engineering machinery explain several advantages of cold regeneration construction to you.
1.低成本:道路就地冷再生机因为所有利用了旧的路面起模原材料,进而降低了道路检修或更新改造时旧起模原材料的基坑开挖、运送、废置和新型材料的购买,进而造成成本费大幅降低。选用道路就地冷再生比传统式方法对比,伴随着再生层薄厚的不一样,能够 控制成本,冷再生路面薄厚越厚,控制成本越多。如05年吉林省线磐石段改建工程的施工,经经济发展技术性互斥计划方案较为后,选用混凝土冷再生施工加工工艺开展道路农村基层的再生利用,节省项目投资近43%。再生薄厚为27cm,再生层工程预算为42元/m2,而选用传统手工艺,需双层水稳加固,加上原路面原材料需消除外调,工程造价为73元/m2,此后例中由此可见冷再生技术性可使工程成本大幅度降低。在路面农村基层因其原料的再利用可节约很多项目投资,在低级别路面中,因用冷再生加工工艺可提升路面农村基层级别而减少整体面层的资金投入,这类客观性具体优势的存有是促使就地冷再生技术性遭受认可而且获得迅速发展趋势的原始动力。
1. Low cost: the road local cold recycling machine uses all the old road formwork raw materials, which reduces the foundation pit excavation, transportation and waste of the old formwork raw materials and the purchase of new materials during road maintenance or renewal, resulting in a significant reduction in the cost. Compared with the traditional method, the local cold regeneration of the road can control the cost with the difference of the thickness of the regeneration layer. The thicker the thickness of the cold regeneration pavement is, the more the control cost is. For example, in the construction of the reconstruction project of Panshi section of Jilin Provincial Railway in 2005, after the technical mutual exclusion plan of economic development is relatively, the cold recycling construction and processing technology of concrete is selected to carry out the recycling of rural road base, saving nearly 43% of the project investment. The thickness of the recycled layer is 27cm, and the engineering budget of the recycled layer is 42 yuan / m2. However, the traditional handicraft is selected, which needs double-layer water stability reinforcement. In addition, the external transfer of raw materials of the original pavement needs to be eliminated, and the engineering cost is 73 yuan / M2. In the following example, it can be seen that the cold recycling technology can greatly reduce the engineering cost. In the rural base course of pavement, the reuse of its raw materials can save a lot of project investment. In the low-level pavement, the use of cold regeneration processing technology can improve the level of rural base course of pavement and reduce the capital investment of the overall surface course. The existence of such objectivity and specific advantages is the original power to promote the recognition of in-situ cold regeneration technology and obtain the rapid development trend.
2.效率高:道路就地冷再生机械设备施工一次性能够 进行沥青道路、粉碎、加上、搅拌及铺筑,进而简单化了施工程序流程,减少施工施工期。应用就地冷再生机械设备,每日施工可进行平米的劳动量。
2. High efficiency: the construction of road local cold recycling machinery and equipment can carry out asphalt road, crushing, addition, mixing and paving at one time, which simplifies the construction procedure and reduces the construction period. The local cold regeneration mechanical equipment shall be applied, and the daily construction can carry out the labor volume of square meters.
3.受气温标准危害小:旧地冷再生可以在气温自然环境不确定性的标准下施工,除开在降水量很大时,一般的变幻无常的气温,毛毛雨气温,冷再生机均可施工,即便在暴雨之后,也可立刻修复施工。
3. Little harm by the temperature standard: the old land cold regeneration can be constructed under the standard of temperature and natural environment uncertainty. Except for the general changeable temperature, drizzle temperature and cold regeneration machine when the precipitation is large, the cold regeneration machine can be constructed. Even after the rainstorm, it can be repaired immediately.
4.对城市公共交通危害明显降低:冷再生租用施工的特性是冷再生工艺流程简洁明了,施工设备少,对交通出行影响体现不比较敏感全部冷再生机械设备组成能够 处在同一条行车道内,不危害另一条行车道机动车行驶,可开展敞开式施工,非常适用车流量很大或路宽窄小状况下的道路的施工。当道路半幅施工时,另半幅仍旧启用,进而大大的改进施工情况下的交通条件。因而,做为一种效率高、环保节能、环境保护道路检修方式和新技术新工艺,路面冷再生机早已变成国际性上道路更新改造的关键方式之一。
4. The harm to urban public transport is significantly reduced: the characteristics of cold regeneration rental construction are that the cold regeneration process is simple and clear, there are few construction equipment, and it is not sensitive to the impact on traffic travel. All the components of cold regeneration machinery and equipment can be in the same lane without endangering the driving of motor vehicles in another lane, and open construction can be carried out, It is very suitable for the construction of roads with large traffic flow or narrow road width. When half of the road is constructed, the other half is still used, which greatly improves the traffic conditions under construction. Therefore, as a road maintenance method and new technology with high efficiency, environmental protection and energy conservation, environmental protection, pavement cold recycling machine has long become one of the key ways of road renewal and reconstruction in the world.
冷再生机租赁
5.施工性价比高:就地冷再生施工能够 依据不一样道路旧起模原材料的具体情况开展设计方案,挑选不一样的防腐剂,能够 确保再生原材料的品格和施工品质,产生施工成形厚而匀称的粘接层,进而确保了检修后道路的应用限期。如青县一机厂及沧州市东外环、吉林省202线工程项目(掺入混凝土使用量为6%)全部再生道路再生层的七天无侧限抗拉强度均做到3Mpa之上。一般冷再生层的沥青混合料选用来源于原貌路面构造的沥青道路料RAP,其冷再生层的点评关键根据其抗压强度来操纵,其抗压强度依路面级别的不一样由技术部来明确,七天无侧限抗拉强度应达2MPa之上,但针对混凝土冷再生而言,混凝土使用量一般不可超出6%。假如再生层中粉料过少,RAP配合比不科学(其配合比操纵曲线图可参考混凝土平稳砂砾石配合比曲线图),但经实验后掺入一部分规格型号料来调节配合比,在确保混凝土一切正常使用量的前提条件下确保再生层品质。
5. High construction cost performance: the local cold recycling construction can carry out the design scheme according to the specific conditions of the old formwork starting raw materials of different roads, and select different preservatives, which can ensure the character and construction quality of the recycled raw materials, produce a thick and symmetrical bonding layer formed in the construction, and then ensure the application period of the road after maintenance. For example, the seven day unconfined tensile strength of the recycled layer of all recycled roads of Qingxian No. 1 Machinery Factory, Cangzhou East Outer Ring Road and Jilin line 202 project (the amount of concrete added is 6%) are above 3Mpa. The asphalt mixture of the general cold recycling layer is the asphalt road material rap from the original pavement structure. The key to the evaluation of the cold recycling layer is to operate according to its compressive strength. The compressive strength is determined by the technology department according to the grade of the pavement. The seven-day unconfined tensile strength should be above 2MPa. However, for the cold recycling of concrete, the amount of concrete generally should not exceed 6%. If there is too little powder in the recycled layer, the rap mix proportion is unscientific (the mix proportion control curve can refer to the concrete stable sand gravel mix proportion curve), but after the experiment, some specifications and models are added to adjust the mix proportion, so as to ensure the quality of the recycled layer on the premise of ensuring all the normal use of concrete.
6.具备环境保护优点:应用传统式的道路检修方式,沥清路面废料量十分大,对自然环境导致环境污染,很多新型材料的采掘,也会导致資源降低和自然环境的毁坏,选用传统式基坑开挖施工加工工艺时,施工单位及小区业主均对很多的“废弃物”解决头疼不己,储放占有很多场所,并导致二次污染。选用冷再生施工,不需解决此外解决废料料,可避免所述难题。它不但能够 节省很多项目投资,更有益于生态环境保护,因而被大家称作“翠绿色”施工技术性。
6. It has the advantages of environmental protection: using the traditional road maintenance method, the amount of pavement waste is very large, which leads to environmental pollution to the natural environment. The excavation of many new materials will also lead to the reduction of resources and the destruction of the natural environment. When using the traditional foundation pit excavation construction processing technology, the construction unit and community owners have a headache for many "wastes", Storage occupies many places and leads to secondary pollution. Cold recycling construction is selected, which does not need to be solved. In addition, the problem can be avoided by solving the waste material. It can not only save a lot of project investment, but also be beneficial to ecological and environmental protection. Therefore, it is called "emerald green" construction technology.
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