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公路工程沥青混凝土的路面接缝处理技术
来源：/ 日期：2023-06-05
公路工程沥青混凝土的路面接缝处理技术主要有热接缝处理技术和冷接缝处理技术这两种。下面济南沥青混凝土生产厂家为您分析一番：
The joint treatment technology for asphalt concrete pavement in highway engineering mainly includes hot joint treatment technology and cold joint treatment technology. Below, Jinan asphalt concrete manufacturer will analyze for you:
01
01
热接缝处理技术
Hot joint treatment technology
热接缝处理技术是在沥青混合料处在高温状态下完成铺设工作的一种形式。热接缝处理技术被广泛应用在路面较宽的公路工程施工中，通过两台或者以上的摊铺机同时作业来实现碾压工作的要求。该技术具有的特征为：
Hot joint treatment technology is a form of laying work that is completed when the asphalt mixture is in a high-temperature state. The hot joint treatment technology is widely used in the construction of highway projects with wide pavement, and the requirements of rolling work can be achieved through the simultaneous operation of two or more paver. The characteristics of this technology are:
粘结能力强，接缝位置处理效果好，搭接宽度较小。操作中的注意事项为：在鋪料过程中，新旧边缘搭接位置上要增加相应的填充混合料，以保证两者之间的连接性，这样在碾压过程中，才能确保连接位置的整体效果，提升路面的密实性和牢固性。
Strong bonding ability, good joint position treatment effect, and small overlap width. The precautions during operation are: during the paving process, corresponding filling mixtures should be added at the overlapping positions of the new and old edges to ensure the connectivity between the two. Only in this way can the overall effect of the connection position be ensured during the rolling process, and the compactness and firmness of the road surface be improved.
碾压过程中，一般会采用跨带碾压和全幅摊铺这两种方式，其中跨带碾压过程中，要通过前进后退振动碾压的形式来增强路面的密实性，同时在热料碾压中，要在边侧预留出150毫米左右的宽度作为冷料车道。
During the rolling process, two methods are generally used: cross band rolling and full width paving. During the cross band rolling process, the compactness of the road surface needs to be enhanced through forward and backward vibration rolling. At the same time, in hot material rolling, a width of about 150 millimeters should be reserved on the side as a cold material lane.
而采用全幅摊铺的方式，虽然在降低纵向裂缝影响上有着显著效果，但是由于供料难度较大，混凝土材料很容易出现离析现象，影响施工质量，所以在实际工作中，基本会以跨带碾压为主。
The use of full width paving has a significant effect on reducing the impact of longitudinal cracks, but due to the difficulty of material supply, concrete materials are prone to segregation, which affects construction quality. Therefore, in practical work, cross band rolling is mainly used.
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冷接缝处理技术
Cold joint treatment technology
冷接缝处理技术是在施工作业完成后，对接缝位置进行沥青混合料的浇筑并进行碾压工作的一种方式，通过碾压实现新旧料之间的衔接，提升路面的衔接效果。通常情况下，该技术被应用在工作缝连接中。
Cold joint treatment technology is a method of pouring and rolling asphalt mixture at the joint position after the construction operation is completed, which achieves the connection between new and old materials through rolling and improves the connection effect of the road surface. Usually, this technology is applied in the connection of work seams.
冷接缝处理技术的具体操作流程为：先对沥青混凝土路面进行清洗，保证路面的整洁性。之后实行沥青混合料的摊铺，确保其与原摊铺层重叠，并将多余的混合料剔除，然后利用静压模式完成混合料的碾压，加强两者的连接，保证路面质量。
The specific operation process of cold joint treatment technology is to first clean the asphalt concrete pavement to ensure its cleanliness. Afterwards, the paving of asphalt mixture is carried out to ensure that it overlaps with the original paving layer, and excess mixture is removed. Then, static pressure mode is used to complete the compaction of the mixture, strengthen the connection between the two, and ensure the quality of the road surface.
The joint treatment technology of asphalt concrete pavement in highway engineering has been explained from two aspects. We hope it can provide you with good help. For more information, please come to our website consulting service
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