桥梁工程

sphalt oil → handMoping natural cooling → open traffic . ② modified emulsified asphalt coldconstruction Modification of emulsified asphalt is a mixture of liquidcold materials, machinery equipment

强度和水稳定性，防止地基湿陷变形；对 V 型沟的路基填筑，基底与涵洞底同时采用强夯处理，提高地基的强度，提前完成地基沉降过程，减少对填筑路基的影响。 1）铺单向土工格栅 土工格栅的材料质量指标应 符合设计要求，外观无破损、无老化、无污染现象。 土工格栅施工技术要求如下： ①铺设土工格栅的土层表面应平整，表面严禁有碎、块石等坚硬凸出物；在距土工格栅 8cm 以内的路基填料其最大粒径不得大于 6cm

olume concrete (thickness exceeds 2. 0), after building because cement water send out heat, cause inside very much high temperature, the internal and external difference in temperature is too large,

pressways ,long spans facilitate access and minimize obstruction to activities below .Concern for environmental damage has led to the choice of long spans for continuous viaducts . For river