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混凝土成型用标准振动台校验方法 [复制链接]

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校验日期:                                                                  ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

1#

本方法适用于新制的,使用中的及检修后的混凝土成型用振动台的校验。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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一、总则ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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      混凝土成型用标准振动台系用于按GB/T50081-2002GBJ82-1985中成型混凝土试件时的专用设备。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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二、技术要求ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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1、应有铭牌,其中包括制造厂、型号、规格出厂编号与日期。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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2、外表面应平整光洁,振动平稳,声音正常,台面应水平。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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3、电气部件绝缘性能应良好。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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4、基座与基础用地脚螺栓固定。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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5、振动台面尺寸:1000×1000±5mmìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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6、振动频率:50±3HZìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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7、空载时的有效振幅为0.5±0.1mmìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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三、校验用标准器具ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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8、二级测振仪;ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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92m长钢卷尺,分度值1mmìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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四、校验方法ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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(一)外观与工作状态校验ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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10、用感官和启动试验检查,要符合1234条规定。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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(二)技术参数校验方法:ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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11、用钢卷尺测量振动台面的尺寸。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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12、用测振仪测振动台面的频率与有效振幅时,应待振动台振动平稳后测,测振点布置在振动台的四周边,共4点(如图一所示)如不能同时测四个点时,至少要同时测2个点。先测12点,后测34点。所测4个点均应符合第67条的要求。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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13、振动频率可根据电机转速测定,也可以采用测振仪测定。 ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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五、校验结果评定ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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14、新振动台必须全部符合技术要求。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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15、使用中的振动台应符合67条技术要求。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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16、校验周期壹年。ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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六、附录ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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校验附录表ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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混凝土成型用标准振动台校验记录表ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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仪器编号:                                               校验编号:ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

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2#

好东西啊,送计量所检要1000块呢!ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}

ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}
TOP
3#

好东西ìÉɦü¥à·bbs.3c3t.com‚h?·Á­ÓÐm}
不积跬步无以至千里,不积小流无以成江河。
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