Jin’anqiao
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Jin’anqiao completed
Particulars
Owner: unknown
Designer: Kunming Hydroelectric Investigation, Design and Research Institute, CHECC
Contractor: 4th Construction Bureau
Statistics
Type: Gravity
Purpose(s): Hydropower / Navigation / Recreation
Reservoir capacity: 913 m3x106
Height: 160 metres
Length: 640 metres
Volume of RCC: 2400 m3x103
Total volume: 4430 m3x103
Construction Dates
Start of Project: 12/03 (December 2003)
Start of RCC: 05/07 (May 2007)
End of RCC: —/10 (— 2010)
End of Project: —/11 (— 2011)
Country: China
River: Jinsha
DMS Co-ordinates: 26˚48'33.69"N, 100˚26'43.15"E
DD Co-ordinates: 26.809359, 100.44532
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| 72 |
| 96 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 108 | Low-lime flyash (ASTM Class F) |
| 117 |
