NDE of tendon ducts in concrete using 3D-saft

机译：使用3D-saft的混凝土中的筋管NDE

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Prestressed or post-tensioned concrete structures are vulnerable to hazardous corrosion, if the tendon ducts are not fully injected with grout. Also compaction faults reduce the concrete strength. Advanced ultrasonic testing techniques and data analysis have been utilized to evaluate ducts in concrete members nondestructively. A laser Doppler vibrometer is used as an ultrasonic receiver to automatically collect the data. With this method ducts could be investigated which are not accessible by other methods as radiography or impact-echo. Encouraging results on different specimens are presented.

机译：如果腱导管未完全注入水泥浆，则预应力或后张预应力混凝土结构易受危险腐蚀的影响。同样，压实缺陷也会降低混凝土强度。先进的超声波测试技术和数据分析已用于无损评估混凝土构件中的管道。激光多普勒振动计用作超声波接收器，以自动收集数据。通过这种方法，可以研究无法通过射线照相或撞击回波等其他方法接近的导管。给出了不同样品的令人鼓舞的结果。

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《Symposium on Nondestructive Characterization of Materials in Aging Systems, held November 30- December 4, 1997, Boston, Massachusetts, U.S.A.》|1997年|p.237-242|共6页
会议地点 Boston MA(US)
作者
M.Krause; H.Wiggenhauser; W.Muller; V.Schmitz;
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正文语种 eng
中图分类一般工业技术;
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1. Effects of No Stiffness Inside Unbonded Tendon Ducts on the Behavior of Prestressed Concrete Containment Vessels [J] . Noh Sang-Hoon, Kwak Hyo-Gyong, Jung Raeyoung Nuclear engineering and technology . 2016,第3期

机译：无粘结牛筋管内无刚度对预应力混凝土安全壳性能的影响
2. Effects of No Stiffness Inside Unbonded Tendon Ducts on the Behavior of Prestressed Concrete Containment Vessels [J] . Sang-Hoon Noh, Hyo-Gyong Kwak, Raeyoung Jung Nuclear engineering and technology . 2016,第3期

机译：无粘结牛筋管内无刚度对预应力混凝土密闭容器性能的影响
3. Case studies on ungrouted tendon-duct in prestressed concrete models by SIBIE [J] . Masahiko Yamada, Masayasu Ohtsu Construction and Building Materials . 2010,第12期

机译：SIBIE的预应力混凝土模型中未灌浆的钢筋束的案例研究
4. NDE of tendon ducts in concrete using 3D-saft [C] . M.Krause, H.Wiggenhauser, W.Muller, Symposium on nondestructive characterization of materials in aging systems . 1998

机译：使用3D-SAFT混凝土中的肌腱管道的NDE
5. Polyethylene duct cracking in post-tensioning tendons of Florida segmental bridges. [D] . Suarez, Jorge Alejandro. 2003

机译：佛罗里达分段桥的后张筋中的聚乙烯管道开裂。
6. Numerical Study of Using FRP and Steel Rebars in Simply Supported Prestressed Concrete Beams with External FRP Tendons [O] . Miao Pang, Zhangxiang Li, Tiejiong Lou 2020

机译：使用外部FRP肌腱的简单支持预应力混凝土梁使用FRP和钢钢筋的数值研究
7. Effects of No Stiffness Inside Unbonded Tendon Ducts on the Behavior of Prestressed Concrete Containment Vessels [O] . Sang-Hoon Noh, Hyo-Gyong Kwak, Raeyoung Jung 2016

机译：无粘结腱管内无刚度对预应力混凝土安全壳容器性能的影响
8. Transfer and Development Length of Prestressing Tendons in Full-Scale AASHTO Prestressed Concrete Girders Using Self-Consolidating Concrete [R] . Andrawes, B., Shin, M., Pozoloa, A. 2009

机译：采用自密实混凝土的全尺寸aasHTO预应力混凝土梁预应力筋的传递和展开长度

NDE of tendon ducts in concrete using 3D-saft

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