Tongjiezi (with Niurixigou saddle dam)
Download PDF data sheet
Photo coming soon
Particulars
Owner: unknown
Designer: Chendu Hydroelectric Power Investigation & Design Institute, MOE & MWR
Contractor: 7th Construction Bureau, MOE & MWR
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Irrigation / Navigation
Reservoir capacity: 200 m3x106
Height: 88 metres
Length: 284 metres
Volume of RCC: 407 m3x103
Total volume: 855 m3x103
Construction Dates
Start of Project: 01/85 (January 1985)
Start of RCC: 10/88 (October 1988)
End of RCC: 12/89 (December 1989)
End of Project: 10/94 (October 1994)
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against precast concrete blocks |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 - | 300 - |
| 500 | 500 |
Cementitious material
| Cement (kg/m3) |
|---|
| 79 |
| 82 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 79 | Low-lime flyash (ASTM Class F) |
| 83 |