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1. 能源部水利部杭州机械设计研究所
2. 国营江苏海安电子仪器厂
纸质出版日期:1991-10-01
移动端阅览
[1]李锡祺,倪桂章,沈满林,高爱珍,张勇,张远震,谭学凯,解达彪,吴祥林,陆九梅.ND-50表面型核子密度仪的研制及其应用[J].核技术,1991(10):616-622.
Li Xiqi Ni Guizhang Shen Manlin Gao Aizhen Zhang Yong. The development and applications of ND-50 surface nuclear density gauge[J]. Nuclear techniques, 1991, (10): 616-622.
按照γ射线透射法和背散射法测量密度的原理以及测量最大深度为500mm的要求
设计了实验测量装置。通过实验确定了放射源、探测器、最佳几何响应、率定系统、数学模型、计算程序、测量线路和微机。试制和改进试制了30套ND-50核子密度仪
应用于十余个水利水电工程碾压混凝土坝的质量控制
总方量超过5×10
5
m
3
。
An experimental apparatus and a prototype have been designed to measure density of concrete according to the principle of backscattering and transmission of γ ray with a measuring depth of up to 500mm. Through experiments
the source
detector
optimal geometry
calibration system
math model
calculating programs
electronics and microcomputer were established. Thirty sets of ND-50 nuclear density gauge have been trial-produced or reproduced
and applied to control the quality in roller compacted concrete dam (RCCD). for at least 5 γ 105 m3 in more than ten hydraulic and hydroelectric projects.
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