USE OF SOFT SHACKLE IN A NOVEL WATER RETAINING CURTAIN WALL FOR RESERVOIR WATER TEMPERATURE RECOVERY
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Summary
The world first Water Retaining Curtain Wall (WRCW) was developed, installed and operated smoothly in Guizhou, China since 2022. In this project, the WRCW was installed at the upstream of a hydroelectric power station to block the low temperature water flow which would negatively affect the downstream water ecological environment. An innovative connection method based on fiber rope soft shackles for connecting two or more orthogonally oriented high-performance fiber ropes used in the WRCW was developed. This connection method offered feasibility of easy, quick and reliable field installation. The tensile strength and fatigue properties of the typical structure of the connection were investigated by lab testing, in which it was found that the strength of the developed quick connection surpassed the required maximum load, and the fatigue performance was reliable. The WRCW has been now in operation for three years and been through a once-in-20-years flood discharging. The ecological environment of the downstream has been found improved significantly together with economic and social benefits.
Author(s): Y. Wang, B. Hou, Y. Huang, Y. Li, R. Chou
