Reports

PowerSeal Saddle

Shakhzod Takhirov, Tianyu Han, Qinglai Zhang, Kenichi Soga (2023): Comparative Shear Testing and Finite Element Analysis of PowerSeal Saddle for Service Line Installations. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B5D59D

US Pipe 8-inch TR-XTREME

Zhang, Q., Chiu, S. H., Takhirov, S., Mason, J., Katzev, D., Soga, K., & Li, Z. (2025). The role of locking segments on an earthquake-resistant segmented ductile iron water pipeline joint behavior under tension and bending. Tunnelling and Underground Space Technology, 158, 106378.

Chiu, S. H., Zhang, Q., Soga, K., Takhirov, S., Cha, W., Katzev, D., & Mason, J. (2024). Performance Evaluation of Earthquake Resistant Ductile Iron Pipe Joints Using Combined Experimental and Numerical Method. In Pipelines 2024 (pp. 261-271).

Shih-Hung Chiu, Qinglai Zhang, Shakhzod Takhirov, Kenichi Soga (2023): Direct Tension Testing of 8-in. (200-mm) Diameter TR-XTREME Ductile Iron Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B58G64

Shih-Hung Chiu, Qinglai Zhang, Shakhzod Takhirov, Kenichi Soga (2023): Biaxial Tension Testing of 8-in. (200-mm) Diameter TR-XTREME Ductile Iron Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B54S3V

Shih-Hung Chiu, Qinglai Zhang, Shakhzod Takhirov, Kenichi Soga (2023): Four-point Bending Testing of 8-in. (200-mm) Diameter TR-XTREME Ductile Iron Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B51017

AWWA C900 DR14 8-inch iPVC Pipe

Shih-Hung Chiu, Shakhzod Takhirov, Kenichi Soga (2023): Four-Point Bending Testing of 8-in. (200-mm) Diameter AWWA C900 DR14 iPVC Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B5W88D

Kubota 24-inch NS-type Ductile Iron Pipe

Chiu, S. H., Soga, K., Takhirov, S. M., Katzev, D., Tanaka, R., & Cha, W. (2024). Assessment of Large-Diameter Ductile Iron Pipeline Joint to Transverse Loading using Distributed Fiber Optic Sensing. Japanese Geotechnical Society Special Publication, 10(43), 1612-1617.

Shih-Hung Chiu, Shakhzod Takhirov, Kenichi Soga (2023): Four-Point Bending Testing of 24-in. (600-mm) Diameter NS-type Ductile Iron Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B5RG6G

US Pipe 48-inch HDSS Pipe

Shih-Hung Chiu, Shakhzod Takhirov, Kenichi Soga (2024): Four-Point Bending Testing of 48-in. (1200-mm) Diameter High Deflection and High Pressure Restraint (HDSS) Pipe. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B57G6T

Hazard Resilient Pipeline Research Panel (2024). Report.

Geothermal Borehole Monitoring

Sumeet Sinha, Jiahui Yang, Yaobin Yang, Kenichi Soga (2023): Monitoring of Geothermal Borehole testing in Framingham, MA. Center for Smart Infrastructure, University of California, Berkeley. Report. https://doi.org/10.25350/B5J01W