山東平沿石的做法是什么？

　　What is the practice of Shandong Pingyan Stone?

　　檢查和準備。首先檢查立緣石的位置、頂標高、排水槽寬度等是否準確，清理排水槽，并更換損壞或不準確的部件。

　　Check and prepare. Firstly, check whether the position, top elevation, and width of the drainage ditch of the curb are accurate, clean the drainage ditch, and replace damaged or inaccurate components.

　　放樣和排砌。根據(jù)平沿石的平面位置和頂面標高進行放樣，然后依次排砌。

　　Setting out and laying out. Set out according to the plane position and top elevation of the flat edge stone, and then arrange the masonry in sequence.

　　安裝。使用M10水泥砂漿連接相鄰平沿石，確保接縫齊平，縫寬為1cm。

　　Installation. Use M10 cement mortar to connect adjacent flat stones, ensuring that the joints are flush and the width of the joints is 1cm.

　　灌縫。采用干硬性水泥砂漿灌縫，其抗壓強度應≥10MPa，灌縫時要飽滿嵌實，厚度均勻。平石勾縫應為凹縫，深度為0.5cm。

　　Fill the gap. Using dry and hard cement mortar to fill the joints, its compressive strength should be ≥ 10MPa. When filling the joints, it should be fully embedded and the thickness should be uniform. The flat stone pointing joint should be a concave joint with a depth of 0.5cm.

　　養(yǎng)護。新砌平石應進行濕治養(yǎng)護，時間≥3天，冬季應注意防凍。

　　Maintenance. Newly laid flat stones should undergo wet curing for at least 3 days, and attention should be paid to frost prevention in winter.

　　保護。在平沿石安裝完畢后進行第二階段瀝青攤鋪時，應注意保護平沿石，防止碾壓輪邊緣破壞。

　　Protection. When the second stage of asphalt paving is carried out after the installation of the flat edge stone, attention should be paid to protecting the flat edge stone to prevent damage to the edge of the rolling wheel.

　　質(zhì)量檢查。確保平沿石表面無缺陷，如蜂窩、麻面、石子外露、脫皮、裂紋、缺邊、掉角等。

　　Quality inspection. Ensure that there are no defects on the surface of the flat stone, such as honeycombs, rough surfaces, exposed stones, peeling, cracks, missing edges, corners, etc.

　　運輸和安裝。輕拿輕放，避免損壞，并及時安裝。

　　Transportation and installation. Handle with care to avoid damage and install in a timely manner.

　　勾縫及養(yǎng)護。勾縫前清理縫內(nèi)土雜物，用水潤濕，然后用符合設計要求的水泥砂漿填充密實。

　　Pointing and curing. Before pointing, clean the soil and debris inside the joint, moisten it with water, and then fill it tightly with cement mortar that meets the design requirements.

　　檢測及二次養(yǎng)生。使用水平尺控制，確保埋砌穩(wěn)固，頂面平整，線條順直，曲線圓順，縫寬均勻，勾縫密實，無雜物污染。

　　Testing and secondary health preservation. Use a horizontal ruler to control and ensure stable burial, flat top surface, straight lines, smooth curves, uniform joint width, dense pointing, and no debris pollution.

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