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為什么利用冷再生機施工?

來源:http://www.cnlhrh.com/ 日期:2022-02-25
為什么需要利用冷再生施工,究竟冷再生機租賃公司租賃的冷再生設備能具有多大的作用,它的施工速率如何,成本增加不高,究竟怎么樣,接下來讓大黃蜂工程機械給各位解釋關于冷再生施工的幾個優點。
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:道路就地冷再生機因為所有利用了舊的路面起模原材料,進而降低了道路檢修或更新改造時舊起模原材料的基坑開挖、運送、廢置和新型材料的購買,進而造成成本費大幅降低。選用道路就地冷再生比傳統式方法對比,伴隨著再生層薄厚的不一樣,能夠 控制成本,冷再生路面薄厚越厚,控制成本越多。如05年吉林省線磐石段改建工程的施工,經經濟發展技術性互斥計劃方案較為后,選用混凝土冷再生施工加工工藝開展道路農村基層的再生利用,節省項目投資近43%。再生薄厚為27cm,再生層工程預算為42元/m2,而選用傳統手工藝,需雙層水穩加固,加上原路面原材料需消除外調,工程造價為73元/m2,此后例中由此可見冷再生技術性可使工程成本大幅度降低。在路面農村基層因其原料的再利用可節約很多項目投資,在低級別路面中,因用冷再生加工工藝可提升路面農村基層級別而減少整體面層的資金投入,這類客觀性具體優勢的存有是促使就地冷再生技術性遭受認可而且獲得迅速發展趨勢的原始動力。
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:道路就地冷再生機械設備施工一次性能夠 進行瀝青道路、粉碎、加上、攪拌及鋪筑,進而簡單化了施工程序流程,減少施工施工期。應用就地冷再生機械設備,每日施工可進行平米的勞動量。
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.受氣溫標準危害?。号f地冷再生可以在氣溫自然環境不確定性的標準下施工,除開在降水量很大時,一般的變幻無常的氣溫,毛毛雨氣溫,冷再生機均可施工,即便在暴雨之后,也可立刻修復施工。
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.對城市公共交通危害明顯降低:冷再生租用施工的特性是冷再生工藝流程簡潔明了,施工設備少,對交通出行影響體現不比較敏感全部冷再生機械設備組成能夠 處在同一條行車道內,不危害另一條行車道機動車行駛,可開展敞開式施工,非常適用車流量很大或路寬窄小狀況下的道路的施工。當道路半幅施工時,另半幅仍舊啟用,進而大大的改進施工情況下的交通條件。因而,做為一種效率高、環保節能、環境保護道路檢修方式和新技術新工藝,路面冷再生機早已變成國際性上道路更新改造的關鍵方式之一。
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.
冷再生機租賃
5.施工性價比高:就地冷再生施工能夠 依據不一樣道路舊起模原材料的具體情況開展設計方案,挑選不一樣的防腐劑,能夠 確保再生原材料的品格和施工品質,產生施工成形厚而勻稱的粘接層,進而確保了檢修后道路的應用限期。如青縣一機廠及滄州市東外環、吉林省202線工程項目(摻入混凝土使用量為6%)全部再生道路再生層的七天無側限抗拉強度均做到3Mpa之上。一般冷再生層的瀝青混合料選用來源于原貌路面構造的瀝青道路料RAP,其冷再生層的點評關鍵根據其抗壓強度來操縱,其抗壓強度依路面級別的不一樣由技術部來明確,七天無側限抗拉強度應達2MPa之上,但針對混凝土冷再生而言,混凝土使用量一般不可超出6%。假如再生層中粉料過少,RAP配合比不科學(其配合比操縱曲線圖可參考混凝土平穩砂礫石配合比曲線圖),但經實驗后摻入一部分規格型號料來調節配合比,在確?;炷烈磺姓J褂昧康那疤釛l件下確保再生層品質。
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.具備環境保護優點:應用傳統式的道路檢修方式,瀝清路面廢料量十分大,對自然環境導致環境污染,很多新型材料的采掘,也會導致資源降低和自然環境的毀壞,選用傳統式基坑開挖施工加工工藝時,施工單位及小區業主均對很多的“廢棄物”解決頭疼不己,儲放占有很多場所,并導致二次污染。選用冷再生施工,不需解決此外解決廢料料,可避免所述難題。它不但能夠 節省很多項目投資,更有益于生態環境保護,因而被大家稱作“翠綠色”施工技術性。
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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