According to the specific circumstances of the project can also take charge of construction directly welded pipe, but must check a stainless steel tube joint can demand reinforcement.
依据工程的详细状况也可以采取主管上直接焊接支管的构造，但必需校核支不锈钢管衔接处能否需求补强。
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The authors described the structure of a newly - developed wedge-tube bolt, its reinforcement principles and anchoring performance, and the results of in situ pull test and productive applications.
The parameters in the aeries include: amount of longitudinal reinforcement, amount of transverse reinforcement, shear span-to-depth ratio, thickness of tube wall and strength of concrete.