水泥稳定碎石的施工工艺主要包括以下步骤：

　　The construction process of cement stabilized crushed stone mainly includes the following steps:

　　施工准备：

　　Construction preparation:

　　对原材料水泥、碎石、水进行质量检验，确保质量合格并做好备料工作。

　　Conduct quality inspections on raw materials such as cement, crushed stone, and water to ensure they meet quality standards and prepare materials properly.

　　由试验室进行配合比试验，确定混合料的最优含水量和最大干密度，并报监理批准。

　　Conduct mix proportion tests in the laboratory to determine the optimal moisture content and maximum dry density of the mixture, and report to the supervisor for approval.

　　对参与施工的现场管理人员、施工技术人员、作业人员进行技术交底和培训。

　　Provide technical briefing and training to on-site management personnel, construction technicians, and operators involved in construction.

　　对下承层表面进行检查和修补，清除浮土和杂物，整型压实，确保表面平整、坚实，符合规定的高程、宽度、横坡度。

　　Inspect and repair the surface of the underlying layer, remove floating soil and debris, compact and shape it to ensure a smooth and solid surface that meets the specified elevation, width, and cross slope.

　　对拌和站及摊铺设备进行调试、检查和保养。

　　Debugging, inspection, and maintenance of mixing stations and paving equipment.

　　根据路面干湿情况，如比较干燥则用水车雾状喷洒，使工作面湿润且无积水。

　　According to the dry and wet conditions of the road surface, if it is relatively dry, use a water truck to spray in mist to keep the working surface moist and free of water accumulation.

　　施工放样：

　　Construction layout:

　　设置道路控制线，至少保证边线、中线三条控制线。在直线段每10m设一个断面控制点，曲线或弯段每5m设一个断面控制点。

　　Set up road control lines, ensuring at least three control lines: the edge line and the center line. Set a section control point every 10m in straight sections, and every 5m in curves or bends.

　　摊铺机施工选用Φ23mm的钢丝作为基线，张拉长度100200m为佳，且须在两端用紧线器同时张紧，避免因钢丝不紧而产生挠度。

　　The construction of the paving machine uses a Φ 23mm steel wire as the baseline, with a preferred tensioning length of 100200m, and must be tensioned simultaneously at both ends with a tensioner to avoid deflection caused by loose steel wire.

　　水泥稳定碎石拌合：

　　Cement stabilized crushed stone mixing:

　　在拌和站设置电子称量仪并确保其合格。

　　Install electronic weighing devices at the mixing station and ensure their compliance.

　　在拌料前进行配合比的调试并进行试拌，确定各料仓的皮带转速，严格控制各料仓的材料用量。

　　Before mixing, adjust the mix proportion and conduct trial mixing to determine the belt speed of each silo, and strictly control the material consumption of each silo.

　　随时观察并检测含水量，控制最佳含水量。若遇到大风和高温天气，应上调混合料的含水量1~2%，使混合料运到现场摊铺后碾压时含水量接近最佳含水量。

　　Observe and monitor the moisture content at any time to control the optimal moisture content. If encountering strong winds and high temperatures, the moisture content of the mixture should be increased by 1-2%, so that the moisture content of the mixture when transported to the site for paving and rolling is close to the optimal moisture content.

　　拌和站拌和混合料必须连续、均匀。

　　The mixing station must mix the mixture continuously and evenly.

　　混合料运输：

　　Transportation of mixed materials:

　　采用自卸汽车运输拌好的混合料，必要时加覆盖以防水分蒸发。

　　Transport the mixed material by dump truck and cover it if necessary to prevent water evaporation.

　　运料设备要充足，确保拌和后的混合料能及时摊铺。

　　The material transportation equipment should be sufficient to ensure that the mixed material can be spread in a timely manner.

　　卸料时，运料车在摊铺机前方一定距离（如20~30cm）停车，防止碰撞摊铺机。卸料速度与摊铺速度相协调。

　　When unloading, the transport vehicle should stop at a certain distance (such as 20-30 cm) in front of the paver to prevent collision with the paver. The unloading speed is coordinated with the paving speed.

　　摊铺整形：

　　Laying and shaping:

　　根据基层试验段数据确定松铺系数，并及时根据实际情况调整。

　　Determine the coefficient of loose paving based on the data from the grassroots experimental section and adjust it in a timely manner according to the actual situation.

　　摊铺过程中要保持摊铺机的速度恒定，保证摊铺机的夯锤或夯板的震捣频率均匀一致。

　　During the paving process, the speed of the paver should be kept constant to ensure that the vibration frequency of the paver's hammer or plate is uniform and consistent.

　　摊铺机摊铺混合料时，因故中断或一天的工作段结束时必须设置横缝。

　　When the paver is spreading the mixture, a transverse joint must be set at the end of the day or at the end of the working period due to unforeseen circumstances.

　　碾压：

　　Rolling:

　　选择配备较大吨位的振动压路机进行碾压。

　　Choose a vibratory roller with a larger tonnage for compaction.

　　遵循初压、轻振动碾压、重振动碾压、收面碾压的程序进行。

　　Follow the procedures of initial compaction, light vibration compaction, heavy vibration compaction, and finishing compaction.

　　压路机碾压时应重叠1/2轮宽，速度控制在一定范围内（如初压1.51.7km/h，后续碾压1.82.2km/h）。

　　When the road roller is rolling, it should overlap by half the wheel width and control the speed within a certain range (such as initial rolling of 1.51.7km/h, subsequent rolling of 1.82.2km/h).

　　严禁压路机在刚完成的或正在碾压的路段上调头和急刹车。

　　It is strictly prohibited for the road roller to turn around or apply sudden brakes on newly completed or rolling road sections.

　　覆盖养生：

　　Coverage of health preservation:

　　每一段碾压完成并且压实度经检验合格，强度初步形成后，即开始养生。

　　After each section of rolling is completed and the compaction degree is inspected and qualified, and the strength is initially formed, the curing process begins.

　　养生期间要保证基层保持湿润状态，养生结束后将覆盖物清除干净。

　　During the health preservation period, it is necessary to ensure that the grassroots is kept moist, and after the health preservation is completed, the covering should be removed completely.

　　至于水泥稳定碎石施工所需的设备，主要包括：

　　As for the equipment required for cement stabilized crushed stone construction, it mainly includes:

　　拌和设备：如WCB800型稳定土拌合机，用于混合料的拌和。

　　Mixing equipment: such as WCB800 stabilized soil mixer, used for mixing materials.

　　运输设备：如自卸汽车，用于混合料的运输。

　　Transportation equipment: such as dump trucks, used for transporting mixtures.

　　摊铺设备：如摊铺机，用于混合料的摊铺整形。

　　Paving equipment: such as pavers, used for spreading and shaping mixtures.

　　碾压设备：如振动压路机、双钢轮（或三钢轮）压路机、胶轮压路机等，用于混合料的碾压。

　　Rolling equipment: such as vibratory rollers, double steel wheel (or triple steel wheel) rollers, rubber wheel rollers, etc., used for rolling mixtures.

　　此外，还可能需要一些辅助设备，如洒水车（用于施工前的下承层湿润和施工后的养生保湿）、测量放样设备（如全站仪、紧线器、钢丝绳等，用于施工放样和标高控制）等。

　　In addition, some auxiliary equipment may be required, such as sprinkler trucks (used for pre construction wetting of the underlying layer and post construction maintenance), measurement and layout equipment (such as total stations, tighteners, steel wire ropes, etc., used for construction layout and elevation control), etc.

　　综上所述，水泥稳定碎石的施工工艺和设备是确保施工质量的关键要素。在施工过程中，应严格遵循施工工艺要求，选用合适的设备，并加强施工管理和质量控制，以确保施工质量和工程安全。

　　In summary, the construction process and equipment of cement stabilized crushed stone are key elements to ensure construction quality. During the construction process, it is necessary to strictly follow the construction process requirements, select suitable equipment, and strengthen construction management and quality control to ensure construction quality and project safety.

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