细浆封层技术

1、会计学1细浆封层技术细浆封层技术Fayat innovations: 法亚创新： Production 生产Maintenance养护Milling铣刨Recycling再生Compaction压实Application 应用Compaction压实Qualiy质量Time (deterioration) 时间 (衰变) Maintenance养护Recycling回收利用 Surface dressing Slurry & Microsurfacing BBTM ResurfacingRECONSTRUCTION重新修整 Thermoregeneration Hot recyclin

2、g Cold recycling Road constructionQualiy质量 Temps (deterioration) (Maintenance)(养护)Recycling再生RECONSTRUCTION重新翻修 Hot recycling Cold recycling Resurfacing Thermoregeneration Surface dressing Slurry & Microsurfacing BBTM1) Recycling a surface layer + base layer1) 再生表层+ 基层a1ba2a1 + b + a1 + b + 20 c

3、m = virgin aggregates a2 = new surface layer 原骨料 新表层First tests in 1980 (U.S.A., Canada, Europe) 2002-03 :从实验阶段至大量实际应用New developments in 1995 (U.S.A., Italy) MARINI）2002-03 :从实验阶段至大量实际应用The modified bitumen emulsion brought success = 1996 1996年改性乳化沥青带来成功2002-03 : from experiment to intensive practi

4、cal application2002-03 :从实验阶段至大量实际应用Technical data are excellent 极好的技术数据Since 1996, validated by traffic of of 7 Million vehicles of more than 12 ton axle load 自从1996年,经超过12吨轴载的七百万车流量的考验ITALY : 80 km (2002) ; 50 000 m3意大利 : 80 km (2002) ; 50000 m3In Italy在意大利In China在中国In Iran在伊朗MCR 250 = Marini Col

5、d Recycling 250 t / hMCR 250 =玛连尼冷再生250 t / h Step 1 Laying new virgin aggregates (if necessary) 铺设新的原始骨料（如果需要） Step 2 Milling铣刨 Step 3 Recycling再生 Step 4 Paving摊铺 Step 5 Compacting压实 Reduces transport costs and time of intervention减少运输成本及时间Tractor :拖车 ： Towing the train牵引列车 Loading RAP 装载RAPCleanin

6、g milled surface清扫铣刨后的路面 Storage of binder储存粘结油Trailer : RAP gradation Storage of components Weighing of components Mixing Spraying of the tack-coat Control of processCMinimum traffic disturbance 交通影响最小化C Minimum intervention time 操作时间最短化The Chinese experience: a few comments中方经验：一些分析1/ Crazing and

7、crocodile type cracks 1、网状裂纹与龟裂2/ Bleeding: bitumen excess2/ 泛油：沥青溢出3/ Profilometric analysis with a beam 使用横梁的轮廓仪测量分析4/ Profilometric analysis 轮廓仪测量分析4Deflection from 0.01 mm to 3 mm; 0.01mm至3mm的偏差4 80 measurements every 3 m to 6 m 每3m至6m测量80次 Origin of the Project工程原形 Regular maintenance:常规养护： Col

8、d milling and new hot-mix asphalt layers冷铣刨及新热拌沥青层 Possible origins of the problems :可能的问题来源 Road traffic much heavier than expected道路交通量超过预期 Overloaded trucks超载车辆 Water drainage排水Stabilisation稳定OverlayBaseSub-BaseSurface courseRecycled productNew surface course Step 3 Step 2 Step 1第1步Recycling proc

9、ess Step 4Stabilised BaseMillingRecyclingStructural Design结构设计现有结构预期结构贫混凝土 天然砾石 稳定层天然砾石 5 to 15% of filler (upper limit: 20 mm)填料的5到15% (上限: 20 mm) 1 to 1.5% of cement水泥的1到1.5% Regenerator if necessary如果需要可更新First lab results首次实验结果3 main results 3 种主要结果Deflections on the final layer底层的挠度 Grading of

10、the CMA 冷拌沥青的级配Compaction压实Grading of the Cold Mix Asphalt冷拌沥青的级配Grading of the Cold Mix Asphalt冷拌沥青的级配Corings岩芯 West Side西侧Compaction压实西侧-填充量 频率Deflections : East Side Main Lane挠度 : 东侧 主车道Deflections : West Side Main Lane挠度 : 西侧 主车道Deflections : West Side Overtaking Lane挠度 : 西侧 超车道Stabilisation wit

11、h lime使用石灰稳定 Cement spreader to increase the output of base stabilization使用水泥撒布机以增加稳定层的输出 BOMAG MPH125 stabilizer to improve the quality of the base 使用BOMAG MPH125 稳定机以改善基层的质量Cost analysis based on Chinese experience and studies成本分析 基于中方经验及研究Existing road现有路面热拌沥青水泥砾石天然砾石Each maintenance & Recycl

12、ing Solution不同的养护及再生方案养护方案A养护方案B冷再生方案路面使用寿命：8年路面使用寿命：2年路面使用寿命：8年Guidelines for the analysis 成本分析Materials节省节省和养护方案和养护方案A A相比相比和养护方案和养护方案B B相比相比冷再生方冷再生方案的运输案的运输成本成本-33-33，77RMB/m277RMB/m2-38-38，2%2%-384-384，82RMB/m282RMB/m2-86-86，4%4%Transportation运输 运输成本运输成本（RMB/M2RMB/M2）养护方案养护方案A A养护方案养护方案B B冷再生方案冷

13、再生方案 铣刨铣刨 3 3，9292 11 11，7676 1 1，6262 摊铺摊铺 3 3，5151 15 15，9999 总计总计 7 7，4343 27 27，7676 1 1，6262和其他方案相比较的冷再生方案的运输成本节省节省和养护方案和养护方案A A相比相比和养护方案和养护方案B B相比相比冷再生方案冷再生方案的运输成本的运输成本-5-5，81RMB/m281RMB/m2-78-78，2%2%-26-26，14RMB/m214RMB/m2-94-94，1%1%Costs analysis comparison成本分析比较Solution Solution A A方案方案A AS

14、olution Solution B B方案方案B BSolution Solution C1C1方案方案C1C1Solution Solution C2C2方案方案C2C2MaterialsMaterials材料材料88.44403.4954.6754.67TransportationTransportation运输运输7.4327.261.621.62WorksWorks生产生产1.989.0212.575.75Total / m2Total / m2总计总计 /m2/m297.85 97.85 RMBRMB420.27 420.27 RMBRMB68.8868.88RMBRMB62.04

15、 62.04 RMBRMBCosts analysis comparison成本分析比较Maintenance Solution A养护方案ACold-Recycling Solution冷再生方案3 aspects: 3 方面:Avoiding CO2 and greenhouse gas emissions 避免二氧化碳及温室气体排放Fuel and petrol economy (transportation of aggregates): 388,000 litres / 100 km节约燃料及汽油 (骨料运输)： 388,000 升 / 100 kmBitumen emulsion

16、is a friendly technologyMany thanks for your attention! 多谢您的关注!Qualiy质量Time (deterioration) 时间 (衰变) Maintenance养护Recycling回收利用 Surface dressing Slurry & Microsurfacing BBTM ResurfacingRECONSTRUCTION重新修整 Thermoregeneration Hot recycling Cold recycling Road constructionQualiy质量 Temps (deterioratio

17、n) (Maintenance)(养护)Recycling再生RECONSTRUCTION重新翻修 Hot recycling Cold recycling Resurfacing Thermoregeneration Surface dressing Slurry & Microsurfacing BBTMTechnical data are excellent 极好的技术数据Since 1996, validated by traffic of of 7 Million vehicles of more than 12 ton axle load 自从1996年,经超过12吨轴载的

18、七百万车流量的考验ITALY : 80 km (2002) ; 50 000 m3意大利 : 80 km (2002) ; 50000 m3First lab results首次实验结果3 main results 3 种主要结果Deflections on the final layer底层的挠度 Grading of the CMA 冷拌沥青的级配Compaction压实Deflections : West Side Overtaking Lane挠度 : 西侧 超车道Stabilisation with lime使用石灰稳定 Cement spreader to increase the output of base stabilization使