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冷再生基层施工工艺及质量控制

来源:http://www.tclqgc.com/ 日期:2021-06-30 发布人:guanli
沥青路面冷再生是利用一体化的再生设备、添加材料、一次拌和成型工艺,通过新铺结构面层,构成旧路面改造新的一套完整体系。再生路面的质量与再生工艺、再生材料、再生配合比设计和面层结构等因素有着直接的关联,本文讨论的是冷再生基层的施工工艺与质量控制的问题。
The cold recycling of asphalt pavement is a new complete system of old pavement reconstruction by using the integrated recycling equipment, adding materials, one-time mixing and forming process, and paving the new structural surface. The quality of recycled pavement is directly related to the factors of recycled technology, recycled materials, recycled mix design and surface structure. This paper discusses the construction technology and quality control of cold recycled base.
1、冷再生基层施工工艺
1. Construction technology of cold recycling base
结合五一路翻修工程,对冷再生基层施工工艺及其质量控制进行探讨,为冷再生基层在开封市的推广应用提供参考经验。工程实践证明,只要科学组织,严格控制,冷再生基层的路用性能更好,而且比常规维修方法更显优势。
Combined with the renovation project of Wuyi Road, this paper discusses the construction technology and quality control of cold recycling base, so as to provide reference experience for the popularization and application of cold recycling base in Kaifeng City. Engineering practice has proved that as long as the scientific organization and strict control, the road performance of cold recycling base is better, and it has more advantages than conventional maintenance methods.
2、准备工作
2. Preparation
再生前的各项准备工作在施工前到位,确保工期正常进行。主要内容包括:人员准备、机械准备、材料准备、交通协调及后勤保障。
All preparations before regeneration are in place before construction to ensure the normal progress of construction period. The main contents include: Personnel Preparation, machinery preparation, material preparation, traffic coordination and logistics support.
3、材料要求:
3. Material requirements:
水泥选用强度等级为32.5、初凝时间≥3h、终凝时间≤10h且≥6h硅酸盐或普通硅酸盐水泥。水泥应具有良好的工作性、低水化、高后期强度、耐久性、耐腐蚀性和抗裂性能。
Portland or ordinary portland cement with strength grade of 32.5, initial setting time ≥ 3h, final setting time ≤ 10h and ≥ 6h is selected. Cement should have good workability, low hydration, high late strength, durability, corrosion resistance and crack resistance.
4、机械要求:
4. Mechanical requirements:
工程施工过程通过再生机组来完成,再生机组包括:冷再生主机、水泥稀浆车、平地机、压路机等。
The construction process of the project is completed by the regeneration unit, which includes: cold regeneration host, cement slurry truck, grader, roller, etc.
5、人员要求:
5. Personnel requirements:
工程技术人员及机械操作人员应经过冷再生培训并经过考核合格后方可上岗。
Engineering and technical personnel and mechanical operators should be trained in cold regeneration and pass the examination before they can take up their posts.
山东途畅路桥工程有限公司拥有200多台套先进的工程施工机械和一支400余人技术力量过硬的施工队伍,设备精良、技术精湛,实力雄厚。公司涉及业务范围广泛,主要承接:土石方工程;园林绿化工程;路基工程施工,路面工程施工,灰土、改良土施工;旧路改造、就地冷再生施工;地基强夯施工;雨水、污水、自来水、燃气、原油、电缆、管线工程施工和非开挖定向钻施工;桥梁工程施工;隧道工程施工;房屋建筑和市政基础设施项目工程总承包;砂石料加工。
Shandong Tuchang road and Bridge Engineering Co., Ltd. has more than 200 sets of advanced construction machinery and a construction team of more than 400 people with excellent technical force, excellent equipment, exquisite technology and strong strength. The company covers a wide range of business, mainly undertake: earthwork engineering; Landscape engineering; Subgrade engineering construction, pavement engineering construction, lime soil, improved soil construction; Old road reconstruction, cold recycling construction on site; Foundation dynamic compaction construction; Rainwater, sewage, tap water, gas, crude oil, cable, pipeline engineering construction and Trenchless Directional Drilling Construction; Bridge engineering construction; Tunnel construction; General contracting of housing construction and municipal infrastructure projects; Aggregate processing.

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