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冷再生机出租之水泥改良土施工流程

来源:http://www.tclqgc.com/ 日期:2021-07-30 发布人:guanli
一、适用范围
1、 Scope of application
冷再生机出租为保证路床厚度范围内的CBR值和压实度达到规范要求,全线路床上部36cm厚采用6%水泥土处理。针对低填浅挖路基,当路基填方高度或挖方深度≤155cm时,路床下部44cm厚换填4%的水泥土处理,路床上部36cm厚换填6%水泥土处理。
In order to ensure that the CBR value and compactness within the thickness range of the roadbed meet the specification requirements, the 36cm thick upper part of the roadbed of the whole line is treated with 6% cement soil. For low fill and shallow excavation subgrade, when the subgrade filling height or excavation depth is ≤ 155cm, the 44cm thick lower part of the roadbed shall be replaced with 4% cement soil, and the 36cm thick upper part of the roadbed shall be replaced with 6% cement soil.
二、作业准备
2、 Job preparation
1、冷再生施工租赁场地准备
1. Preparation of rental site for cold regeneration construction
(1)直接填筑的路基基底,施工前必须通过审查签证;需要进行地基处理的基底必须完成各项处理,并满足地基处理的要求。
(1) The subgrade base directly filled must pass the examination and visa before construction; For the base requiring foundation treatment, various treatments must be completed and meet the requirements of foundation treatment.
(2)场地应该保证足够的平整度,满足设备、人员进场要求。
(2) The site shall ensure sufficient flatness to meet the mobilization requirements of equipment and personnel.
(3)做好场地的临时排水和防雨措施。按照施工运量和施工机械的大荷载修筑施工便道。
(3) Take temporary drainage and rainproof measures for the site. The construction access road shall be built according to the construction traffic volume and the large load of construction machinery.
2、技术准备
2. Technical preparation
做好相关人员的技术培训和技术交底工作,使参加施工的全体人员充分认识高速铁路路基填筑的关键技术、质量控制要点。
Do a good job in technical training and technical disclosure for relevant personnel, so that all personnel participating in the construction can fully understand the key technologies and quality control points of subgrade filling of high-speed railway.
3、劳动力、机械设备配置
3. Allocation of labor force and mechanical equipment
人员、机械设备应根据施工方案组合工期要求进行合理的配置。路堤填筑区为一个完整的作业区,每个作业区人员配置:施工队长1名,领工员2名,指挥卸土位置人员2名,测量及试验检测人员4~6人,其他机械工、普工20~30人。
The combination of machinery and equipment shall be reasonable according to the requirements of construction period. The embankment filling area is a complete operation area, and the staffing of each operation area is: 1 construction team leader, 2 foremen, 2 personnel directing the unloading position, 4 ~ 6 measurement and test personnel, and 20 ~ 30 other mechanics and general workers.
根据施工需要,每个作业面配备反铲挖掘机一台、宣化-140推土机一台、YZ-22振动压路机两台、天工-160平地机一台,徐工-230灰土拌和机,自卸运输车6辆,撒水车一台备用。当运距较远时,自卸车的数量可适当增加
According to the construction needs, each working face is equipped with one backhoe excavator, one xuanhua-140 bulldozer, two yz-22 vibratory rollers, one tiangong-160 grader, xcmg-230 lime soil mixer, 6 dump trucks and one sprinkler for standby. When the transportation distance is long, the number of dump trucks can be increased appropriately

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