platform anteclise

Study on the kind of filling and disposing the back of abutment;

台背处理及回填类型研讨

This article,considering the construction technique and quality control of the backfilling of the back of abutment in the seventh phase of Qinglai Expressway,gives some suggestions,which will provide valuable references for later backfilling construction.

文章结合青莱高速公路七合同段台背回填施工工艺及质量控制,并根据实际施工情况提出了一些建议,为以后公路台背回填的施工提供了宝贵经验。

The paper introduced the construction technology of liquid flyash pouring retailing backwall in order to assure refill quality of retailing backwall,protect retailing backwall depression or jumping.

介绍了为保证台背回填质量,防止台背沉陷或跳车,在地形受限制的地方,采用液态粉煤灰灌注台背的施工工艺,对这项施工工艺的方法、步骤和注意事项进行了详细的阐述。

For assuring the fill quality of structure retailing backwall for Taichang Expressway,the paper proposed relative control measures for reference.

桥头跳车已是公路建设的质量通病,根治难度很大,为确保太长高速公路构造物台背的回填质量,太长公司制定了相关技术质量控制措施,有效地指导了桥涵构造物台背的施工。

The paper mainly introduced the importance of the grouting strengthening for expressway bridge & culvert retailing backwall.

重视台背注浆,对桥涵构造物两侧台背填方实施注浆加固,其目的是增大台背填方密实度,减少台背沉降量,缩小台背与桥涵构造物的差异沉降,消除台背下沉引起行车的不良后果,从而避免了桥头跳车现象,确保台背工程质量。

There are some emphases discussed which about picket abutment backfill in road construction in this paper,and on the basis of engineering practice of the backfilling behind abutments of Shen-Da freeway to summarize the measures of quality control.

对道路施工中的台背填土施工时需要重点注意的问题进行了讨论分析,以沈大高速台背填土的施工为例总结了台背填土的质量控制措施,对其他道路施工的台背填土施工和类似工程具有提示和借鉴意义。

It analyzes the reasons of traffic jumping in bridge end from base soil quality,platform filler s shrinking and rigidity changes.

从地基土质、台背填料压缩、刚柔突变几方面分析了桥头跳车产生的原因,并从地基处理、路基处理、路面处理三方面提出了解决桥头跳车的措施,以确保行车顺畅,保证行车安全性。

Reasonable setting of approach slab and back filling behind abutment;

桥头搭板的合理设置及台背回填

The application of cement-fly ash mixture in back filling behind abutment;

水泥粉煤灰混合料在台背回填中的应用