Mechanism of high-strengthbolt and bolting-grouting support was studied based on the deformation and failure rules of soft roadway.
基于软岩巷道变形破坏规律，对高强锚杆辅助锚注支护加固机理进行了研究分析。
2
By the practical engineering, authors show the quality influence factors and control measures of high-strengthbolt connection in steel structure.
通过工程实例，介绍了钢结构中高强度螺栓连接的质量影响因素及控制措施。
3
Construction technology and quality control measures for steel box girder, high-strengthbolt, prestressed concrete box girder and inclined cable are briefly introduced.