GB/T5223.3-2017预应力混凝土用钢棒,规定了钢棒需进行反复弯曲试验、160°~180°钢棒弯曲试验、1000h钢棒松弛试验、钢棒拉伸试验、钢棒疲劳试验、冲击性能试验,规定钢棒长度测量精确到1mm,每根钢棒重量精确到0.1g。所需试验设备为10mm钢棒反复弯曲试验机,180°全自动钢棒弯曲试验机,1000h300kN钢棒松弛试验机,1000kN钢棒拉伸试验机,300J钢棒冲击试验机、全自动钢筋称重测长仪。
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山东省计量测试学会力值硬度计量专业委员会委员 济南恒瑞金试验机有限公司
(试验机服务中心)(试验机配件供应中心)(特殊夹具定制中心)
Jinan HengRuiJin Testing Machine Co., Ltd. Shandong P.R.C;
Testing Machine Service Center; Testing Machine Fittings Supply Center;
Design and Manufacture Center for Special Test Accessories;
Mechanics Tester Manufacturer;China Testing Machine; |