The paper mainly introduces raw material quality control, calculation of burden, stretch-draw force and elongation value, construction technology of non-bonding prestressed steel strand.

主要介绍无粘结预应力钢绞线的原材质量控制、配料、张拉力值、伸长值的计算及施工工艺。

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Reliable, high-quality raw output; the complete structure and control design, raw materials, to prevent caking, deformation of material.

可靠、高品质的原料输出；完备的结构及控制设计，防止原料结块、变形；

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Participate in examine and verify for raw material with suppliers based on purchasing procedures and production requirements to control the quality risk.

基于公司采购程序和生产产品质量风险控制的要求，参与原材料供应商的审核工作。

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