2) road base course
The sulfur amount of fly ash has a substantial influence on the intensity and stability of road base course.
3) base course
This paper expounds the superiorities of cement stabilized aggregate being as the material of the base course, and points out some matters need attention in the process of construction preparation, mixing, paving, rolling, and curing, etc.
According to the lab test and the construction,the success has been made to apply the tailing sands to the base course of pavement as a building material,thus reducing the environmental pollution,saving land resource.
The author made the research on the techniques of applying coal gangue as base course materials against the situation that there is a lot of abandoned coal gangue in the coal area.
4) link layer
Design of communication protocol at link layer of a mine monitoring system;
By analyzing the status of physics layer, data link layer, application layer in IEC 60870-5-103 protocol provides the conversion method from IEC 60870-5-103 protocol to EtherNet/IP networks and summarize the thesis.
通过具体分析IEC 60870-5-103规约的物理层、数据链路层和应用层的情况,提出了IEC 60870-5-103规约到EtherNet/IP网络的转换方法。
In the proposed scheme, routing model at a node accepts or rejects a routing request based on congestion status at the link layer.
针对这一问题 ,该文对节点链路层的性能进行了分析 ,提出了一种均衡流量的改进方法 。
5) pavement base
Application of breccia in pavement base for Jiamusi-Qitaihe Section of Hegang-Dalian Highway;
Analysis on suitable pavement base materials in Tongchuan;
Discussion on the high performance soil solidification mixture used as pavement base;
6) road base
Popularization and application of lime