Dam Search Results

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Owner: Ministry of Construction

Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the table below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

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Name	Country	Owner	Purpose	River	Reservoir capacity (m³x10⁶)	Construction dates				Dimensions		Volume		Facings						Placement		Cementitious material
						Start		Finish		Height	Length	RCC	Total	Upstream		Downstream		Spillway		Layers	Lifts	Cement	Pozzolan
						Project	RCC	RCC	Project	(m)	(m)	(m³x10³)	(m³x10³)	Slope	Type	Slope	Type	Slope	Type	(m)	(m)	(kg/m³)	(kg/m³)
Shimajigawa	Japan	Ministry of Construction	F I W	Shimaji	21	09/76	10/78	04/80	03/81	89	240	165	317	V 0.30	(1) (1)	0.80	(1)	0.80	(1)	150 to 200	500 700	84	36	(F)
Tamagawa	Japan	Ministry of Construction	F H I W	Tama	254	08/80	09/83	07/86	12/90	100	441	772	1150	V 0.60	(1) (1)	0.81	(1)	0.81	(1)	150 - 200	750 1000	91	39	(F)
Ryumon	Japan	Ministry of Construction	F I W	Sakoma	42	09/87	03/90	11/92	03/97	100	378	521	836	V 0.30	(1) (1)	0.80	(1)	0.80	(1)	150 - 200	750 - 1000	91	39	(F)
Hattabara	Japan	Ministry of Construction	F W	Ashida	60	08/88	- /89	- /92	03/98	85	325	228	500	V 0.20	(1) (1)	0.75	(1)	0.75	(1)	150 - 200	750	84	36	(F)
Miyagase	Japan	Ministry of Construction	F H W	Nakatsu	193	11/87	11/91	02/95	03/01	156	400	1537	2060	0.20 0.60	(1) (1)	0.625	(1)	0.625	(1)	150 - 200	750	91	39	(F)
Gassan	Japan	Ministry of Construction	F H I W	Bonji	65	08/88	06/94	10/98	03/01	123	393	731	1160	V	(1)	0.80	(1)	0.80	(1)	250	750 1000	91	39	(F)
Nagashima sediment dam [H-F]	Japan	Ministry of Construction		Ohi	1	03/97	04/99	12/99	08/00	33	127	23	55	1.20	(12)	1.20	(12)			250	500 1000	40	50	(S)

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Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the list below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

Shimajigawa

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Irrigation / Water Supply

River: Shimaji

Reservoir capacity: 21 m³x10⁶

Construction Dates

Start of Project: 09/76

Start of RCC: 09/76

End of RCC: 04/80

End of Project: 03/81

Specifications

Height: 89 metres

Length: 240 metres

Volume of RCC: 165 m³x10³

Total volume: 317 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
Vertical	Traditional concrete against formwork
0.30	Traditional concrete against formwork

Downstream

Slope	Type
0.80	Traditional concrete against formwork

Spillway

Slope	Type
0.80	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
150 to	500
200	700

Cementitious material

Cement (kg/m³)
84

Pozzolan (kg/m³)	Pozzolan Type
36	Low-lime flyash (ASTM Class F)

Tamagawa

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Hydropower / Irrigation / Water Supply

River: Tama

Reservoir capacity: 254 m³x10⁶

Construction Dates

Start of Project: 08/80

Start of RCC: 08/80

End of RCC: 07/86

End of Project: 12/90

Specifications

Height: 100 metres

Length: 441 metres

Volume of RCC: 772 m³x10³

Total volume: 1150 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
Vertical	Traditional concrete against formwork
0.60	Traditional concrete against formwork

Downstream

Slope	Type
0.81	Traditional concrete against formwork

Spillway

Slope	Type
0.81	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
150 -	750
200	1000

Cementitious material

Cement (kg/m³)
91

Pozzolan (kg/m³)	Pozzolan Type
39	Low-lime flyash (ASTM Class F)

Ryumon

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Irrigation / Water Supply

River: Sakoma

Reservoir capacity: 42 m³x10⁶

Construction Dates

Start of Project: 09/87

Start of RCC: 09/87

End of RCC: 11/92

End of Project: 03/97

Specifications

Height: 100 metres

Length: 378 metres

Volume of RCC: 521 m³x10³

Total volume: 836 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
Vertical	Traditional concrete against formwork
0.30	Traditional concrete against formwork

Downstream

Slope	Type
0.80	Traditional concrete against formwork

Spillway

Slope	Type
0.80	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
150 -	750 -
200	1000

Cementitious material

Cement (kg/m³)
91

Pozzolan (kg/m³)	Pozzolan Type
39	Low-lime flyash (ASTM Class F)

Hattabara

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Water Supply

River: Ashida

Reservoir capacity: 60 m³x10⁶

Construction Dates

Start of Project: 08/88

Start of RCC: 08/88

End of RCC: -/92

End of Project: 03/98

Specifications

Height: 85 metres

Length: 325 metres

Volume of RCC: 228 m³x10³

Total volume: 500 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
Vertical	Traditional concrete against formwork
0.20	Traditional concrete against formwork

Downstream

Slope	Type
0.75	Traditional concrete against formwork

Spillway

Slope	Type
0.75	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
150 -	750
200

Cementitious material

Cement (kg/m³)
84

Pozzolan (kg/m³)	Pozzolan Type
36	Low-lime flyash (ASTM Class F)

Miyagase

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Hydropower / Water Supply

River: Nakatsu

Reservoir capacity: 193 m³x10⁶

Construction Dates

Start of Project: 11/87

Start of RCC: 11/87

End of RCC: 02/95

End of Project: 03/01

Specifications

Height: 156 metres

Length: 400 metres

Volume of RCC: 1537 m³x10³

Total volume: 2060 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
0.20	Traditional concrete against formwork
0.60	Traditional concrete against formwork

Downstream

Slope	Type
0.625	Traditional concrete against formwork

Spillway

Slope	Type
0.625	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
150 -	750
200

Cementitious material

Cement (kg/m³)
91

Pozzolan (kg/m³)	Pozzolan Type
39	Low-lime flyash (ASTM Class F)

Gassan

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Gravity

Purpose(s): Flood Control / Hydropower / Irrigation / Water Supply

River: Bonji

Reservoir capacity: 65 m³x10⁶

Construction Dates

Start of Project: 08/88

Start of RCC: 08/88

End of RCC: 10/98

End of Project: 03/01

Specifications

Height: 123 metres

Length: 393 metres

Volume of RCC: 731 m³x10³

Total volume: 1160 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
Vertical	Traditional concrete against formwork

Downstream

Slope	Type
0.80	Traditional concrete against formwork

Spillway

Slope	Type
0.80	Traditional concrete against formwork

Placement

Layers (mm)	Lifts (mm)
250	750
	1000

Cementitious material

Cement (kg/m³)
91

Pozzolan (kg/m³)	Pozzolan Type
39	Low-lime flyash (ASTM Class F)

Nagashima sediment dam

Full Dam Information

Details

Country: Japan

Owner: Ministry of Construction

Type: Hardfill

Purpose(s): unknown

River: Ohi

Reservoir capacity: 1 m³x10⁶

Construction Dates

Start of Project: 03/97

Start of RCC: 03/97

End of RCC: 12/99

End of Project: 08/00

Specifications

Height: 33 metres

Length: 127 metres

Volume of RCC: 23 m³x10³

Total volume: 55 m³x10³

Construction Methods

Facings

Upstream

Slope	Type
1.20	Reinforced conventional concrete cast after RCC placement

Downstream

Slope	Type
1.20	Reinforced conventional concrete cast after RCC placement

Spillway

Slope	Type

Placement

Layers (mm)	Lifts (mm)
250	500
	1000

Cementitious material

Cement (kg/m³)
40

Pozzolan (kg/m³)	Pozzolan Type
50	Ground-granulated blast-furnace slag

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