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乳化沥青在道路养护中的应用
来源：/ 日期：2023-05-08
乳化沥青是将热熔的石油沥青，经过机械作用，以细小的微粒分散到含有乳化剂、稳定剂的水溶液中形成的水包油乳状液。下面济南沥青料厂家来讲讲乳化沥青在道路养护中的应用事项吧。
Emulsified asphalt is a water in oil emulsion formed by dispersing hot melt petroleum asphalt into an aqueous solution containing emulsifiers and stabilizers through mechanical action. Let's talk about the application of emulsified asphalt in road maintenance by Jinan asphalt manufacturers.
（1）稀浆封层
(1) Slurry sealing layer
稀浆封层是一种由硬质耐磨性骨料和沥青混合级配组成的冷拌施工技术。乳化沥青混合料具有较好的粘附性，能在潮湿的路面上进行现场施工。通常情况下，级配相似的稀浆封层具有较高的稳定性、较高的模量和较高的抗形变能力，常被用来填充路面车辙裂缝病害，使路面具有高磨损阻力和好的抗变形能力，大大地增加了路面的强度性能和完整性。应用乳化沥青进行稀浆封层，可以大大延长公路寿命。
Slurry sealing layer is a cold mix construction technology composed of hard wear-resistant aggregate and asphalt mixed grading. Emulsified asphalt mixture has good adhesion and can be used for on-site construction on damp roads. In general, slurry seals with similar grading have high stability, high modulus, and high resistance to deformation. They are often used to fill rutting and crack defects on road surfaces, resulting in high wear resistance and good resistance to deformation, greatly increasing the strength and integrity of the road surface. The application of emulsified asphalt for slurry sealing can greatly extend the service life of highways.
（2）石屑罩面
(2) Stone chip cover
石屑罩面是常用的沥青高含量道路表面处治养护技术方法，它是在道路面层上撒布粘结料层后再均匀摊铺同粒径骨料层，具有柔性和耐磨性特征，掺加聚合物后能够有效增加粘结力、耐磨性和路面的抗裂性能。改性后能够进行道路封层和桥梁裂缝修补，可以有效减少路面反射性裂缝。由于乳化沥青具有好的化学粘附性和防潮湿等路面修补养护性质，石屑罩面处理后的复合封层道路表面可承受相当大的交通负载量。
Stone chip overlay is a commonly used asphalt high content road surface treatment and maintenance technology method. It spreads a binder layer on the road surface layer and then evenly spreads the same particle size aggregate layer. It has the characteristics of flexibility and wear resistance. Adding polymer can effectively increase the bonding force, wear resistance, and crack resistance of the road surface. After modification, road sealing and bridge crack repair can be carried out, which can effectively reduce reflective cracks on the road surface. Due to the good chemical adhesion and moisture resistance of emulsified asphalt in road repair and maintenance, the composite sealing layer road surface treated with stone chip overlay can withstand a considerable amount of traffic load.
（3）Cape封层
(3) Cape Seal
Cape封层是利用乳化沥青在耐磨性稀浆封层下铺设柔性石屑罩面的路面处治技术。这种封层为减缓路面组合裂缝提供了技术保障，具有表面光滑特性。Cape封层融合了石屑罩面中较高的抗滑性和承载性能以及稀浆封层所具有的平整度优点，比单独使用稀浆封层或石屑罩面技术的耐磨性要高，路面养护中应用乳化沥青进行Cape封层能够充分延长道路的使用寿命。
Cape sealing layer is a pavement treatment technology that utilizes emulsified asphalt to lay a flexible stone chip overlay under a wear-resistant slurry sealing layer. This type of sealing layer provides technical support for alleviating combined cracks on the road surface, and has a smooth surface characteristic. The Cape seal layer combines the high skid resistance and load-bearing performance of the stone chip overlay, as well as the flatness advantages of the slurry seal layer. It has higher wear resistance than using slurry seal layer or stone chip overlay technology alone. The application of emulsified asphalt for Cape seal layer in road maintenance can fully extend the service life of the road.
（4）喷射修补坑洞
(4) Spray repair of potholes
路面养护中，喷射修补坑洞是针对路面凹陷坑洞以及破裂病害采用乳化沥青进行填充修补的技术方式。采用压缩空气将路面坑洞吹干清净，在坑洞内表面涂乳化沥青并填充骨料进行充分混合，后在坑洞上面铺设干骨料表面封层，完成修补。喷射修补坑洞技术不需压实程序，修补后的坑洞防水性能和强度性能较高。
In road maintenance, spray repair of potholes is a technical method of using emulsified asphalt to fill and repair potholes and cracks in the road surface. Use compressed air to blow dry and clean the road potholes, apply emulsified asphalt on the inner surface of the potholes, fill with aggregates, and mix thoroughly. Then, lay a dry aggregate surface seal layer on the potholes to complete the repair. The spray repair pothole technology does not require a compaction program, and the repaired pothole has high waterproof and strength performance.
（5）微表处
(5) Microsurface processing
乳化沥青稀浆罩面的形式就是微表处，微表处适用于重要交通公路的预防性养护，主要由聚合物改性乳化沥青、矿物填料、100%轧碎石料、水和必要的添加剂组成，使用施工设备边拌和边摊铺。在路面养护中，微表处用于填补已经稳定的车辙病害应用较多。微表处混合料摊铺后，可在短时间内开放交通。微表处对集料组成要求非常高，石料必须耐磨、坚固、清洁。微表处所用的乳化沥青是经聚合物改性的，通常是采用SBR胶乳，也可采用SBS改性，残留物具有较高的软化点。
The advanced form of emulsified asphalt slurry cover is micro surface treatment, which is suitable for preventive maintenance of important transportation highways. It mainly consists of polymer modified emulsified asphalt, mineral filler, 100% crushed stone material, water, and necessary additives. Construction equipment is used for mixing and paving. In road maintenance, micro surface treatment is widely used to fill stable rutting defects. After paving the micro surface mixture, traffic can be opened for a short period of time. Micro surface treatment requires very high aggregate composition, and stones must be wear-resistant, sturdy, and clean. The emulsified asphalt used in the micro surface is modified by polymers, usually using SBR latex or SBS modification, and the residue has a high softening point.
（6）透层和黏层
(6) Prime layer and adhesive layer
在沥青路面施工中，透层和黏层是不可或缺的工序，在路面的修补中，由于普通沥青的均匀性和渗透性比较差，往往在施工后，防渗水和粘结性达不到理想的要求，从而对路面修补后的质量造成影响。乳化沥青在该方面则具有很好的性能，应用于养护维修工程路面铺筑中有着良好的应用效果。
In the construction of asphalt pavement, the prime coat and adhesive layer are indispensable processes. In the repair of the pavement, due to the poor uniformity and permeability of ordinary asphalt, the anti permeability and adhesion often do not meet the ideal requirements after construction, which affects the quality of the repaired pavement. Emulsified asphalt has excellent performance in this area and has good application effects in maintenance and repair engineering pavement.
公路桥梁路面在承载运行过程中，往往会出现不同程度的病害，给交通稳定运行造成大的隐患。运用乳化沥青的科学性能，针对公路路面进行及时养护，是现代交通可持续发展的重要技术保障。您有产品需求就来我们网站咨询吧！
During the load-bearing operation of highway bridges and pavements, varying degrees of diseases often occur, posing significant safety hazards to the stable operation of traffic. The scientific performance of emulsified asphalt and timely maintenance of highway pavement are important technical guarantees for the sustainable development of modern transportation. If you have product requirements, please come to our website Consult!
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