کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1888267 1533431 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Monitoring of concrete structures by using the 14 MeV tagged neutron beams
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
پیش نمایش صفحه اول مقاله
Monitoring of concrete structures by using the 14 MeV tagged neutron beams
چکیده انگلیسی


• An underwater inspection system was developed which is able to monitor the state of reinforcement corrosion.
• The system is composed of a remotely operating vehicle (ROV) equipped with the sealed tube neutron generator (NG).
• All measurements could be performed without cleaning the concrete surface from fouling material.

The maintenance and repair of reinforced concrete structures, especially those submerged in the sea-water require effective inspection and monitoring techniques for assessing the state of corrosion in the reinforcement material. An underwater inspection system was developed which is able to monitor the corrosion of the reinforcement. The system is composed of a remotely operating vehicle (ROV) equipped with the sealed tube neutron generator (NG). By rotating the NG and by using the associated alpha particle technique it is possible to measure the concrete cover thickness together with the reinforcing bar diameter. The possibility of estimating the carbon and chloride contents in the concrete was investigated. Iron plates of different thickness, covered by 6 cm thick concrete block, were successfully detected and the thickness of the concrete cover was estimated. In addition, reinforcing bar of one and 3 cm in diameter were identified and measured. All measurements could be performed without cleaning the concrete surface from fouling material.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Measurements - Volume 59, December 2013, Pages 193–200
نویسندگان
, , , ,