【摘要】 我国预应力钢丝、钢绞线标准体系从60年代至90年代有了很大发展 ,90年代修订的标准GB/T5223 -1995和GB/T5224 -1995已与国际标准接轨 ,为预应力技术的发展创造了条件。更多还原

【Abstract】 The developm ent of the standard systems of prestressing wires and stranded wires in our country since 1960’s to 1990’shas been highly flourishing. The newly revised edition of standard prestress code has been helpful and provided the good conditions for an improved prestressing technology.更多还原