Shin Jinma

earth dam

A dam is made by layering soil as the material. Because it is relatively easy to construct, it is not suitable for large dams, but for small dams built in reservoirs. Most dams in Japan are of this type, but the exact number is unknown, including those with crest heights of 15 m or less. Historically, the Sayama Pond Dam in Osaka Prefecture is the oldest dam of this type in Japan.

2009.09.11

"a" column or row of the kana syllabaryIntroduction to Damsdam terminology

RCD

RCD stands for "Roller Compacted Dam-concrete" and is an application of RCC (Roller Compacted Concrete), a construction method originally used for airport runway pavement in the U.S. and road pavement in Japan, to dams.

2009.09.11

alphabetIntroduction to Damsdam terminology

CFRD

CFRD is an abbreviation for "Concrete Face Rockfill Dam." The literal translation is "Concrete Surface Barrier Rockfill Dam. The upstream face of a rockfill dam is covered with concrete to prevent water from seeping into the embankment. During the first decade or so after the war when this method was established, technical problems arose, such as unequal settlement and cracks.

2009.09.10

alphabetIntroduction to Damsdam terminology

0500-Okutadami Dam

A huge dam located on the border between Niigata and Fukushima prefectures that served as the model for the movie "Whiteout" starring Yuji Oda. Okutadami Dam's total water storage capacity is the second largest in Japan, following Tokuyama Dam. It is also the fifth tallest gravity concrete dam in Japan in terms of both height and effective water storage capacity. It is a very dignified dam. And it is quite tall even when seen like this. / Gravity Concrete Dam / 157m

2009.09.08

Niigata Prefecture Dam

1030-Narai Dam

This Nagano Prefecture-owned multi-purpose dam is located near Naraijuku on the Kiso Road in Shinshu. Until now, visitors from Nagoya had to exit at the Nakatsugawa Interchange on the Chuo Expressway and drive north on Route 19 or exit at the Shiojiri Interchange and drive south, but with the opening of the Gonpei Tunnel, it is now possible to exit at the Ina Interchange. / Rockfill dam / 60m

2009.07.24

Nagano Prefecture Dam

1224-Saburi Dam (Souri Dam)

It is a regulating reservoir for Aichi irrigation water located in Chita City, Aichi Prefecture, which is famous for its name, Saburi Ume. The Saburi Dam is a reservoir built to supply industrial water from the Aichi Irrigation Canal to the southern Nagoya coastal industrial area, where major steel manufacturing companies such as Nippon Steel, Daido Steel, and Aichi Steel are located. / Earth dam / 21m

2009.07.21

Dam in Aichi Prefecture

1128-atagi dam

The Gifu prefectural dam is located in Shirotori, Gujo City, Gifu Prefecture, a mecca for ski resorts. When I arrived at the embankment, alone and disheartened, to my surprise, water was being discharged from the orifice! There is a parking lot and a park, but I am not sure if it is still possible to take a proper tour. Even if you go there, there is a high possibility that you will not be able to see it. Especially in the middle of winter when it snows heavily, you can't see it at all. / Gravity Concrete Dam / 71.4m

2009.07.20

Dam in Gifu Prefecture

1056-Takahashidani Dam

This is a power generation dam owned by Chubu Electric Power Company that stands quietly. The dam looks very old. According to the dam handbook, it was completed in 1919. In Japanese calendar, it was completed in 1919. It is the year of the Treaty of Versailles. It is not suitable for a date, but it looks like it could be used for fishing. It is good for a fishing date. It is also OK if you like old prewar buildings. / Gravity concrete dam / 18.5m

2009.07.19

Dam in Gifu Prefecture

0965-Kakimoto Dam/Kakimoto Dam

Like the Amahata Dam (0969-Amahata Dam), the Kakimoto Dam is an unusual dam owned by Nippon Light Metal, a private company that manufactures aluminum and other materials. It has an aura of being somewhat difficult to enter, but visitors can tour it without worrying. If you take your time and look around, you can enjoy the various flavors of this dam. / Gravity concrete dam / 46.1m

2009.07.17

Yamanashi Prefecture Dam

1511-hitokura dam

This is the first dam in Hyogo Prefecture on this site. We stopped by during our trip to Kobe and Arima Onsen. It was a hot day, but we were unusually blessed with clear blue skies. Around the dam, there are many spots where you can enjoy outdoor activities such as tennis, fishing, camping, and barbecue. It might be a good idea to spend a little more time and take your time to visit the dam. / Gravity concrete dam / 75m

2009.07.13

Hyogo Prefecture Dam

1580-Nunome Dam

This is a multi-purpose dam under the jurisdiction of the Japan Water Agency, completed in 1992, with parks and other recreational facilities. Perhaps because it was as cold as winter, there were no visitors in spite of various improvements. I heard that black bass can be caught in the dam lake. I would like to bring a lure. I heard that it is also a marathon course and even better for road biking. / Gravity Concrete Dam / 72m

2009.07.12

Nara Prefecture Dam

1405-Takayama Dam

The Takayama Dam is a gravity-type arch dam, which is rare in that it is both a gravity-type and arch-type dam. The embankment is quite thick, giving it an impressive sense of solidity. The words "manly" and "solid and sturdy" seem to fit the dam. This time, I came to see not only the dam but also the ume (plum) grove in Tsukigase, which is located upstream of the dam. / Gravity arch dam / 67m

2009.07.10

Kyoto Prefecture Dam

3083-Nakanoho Dam

A new Gifu prefectural dam completed in 2005. This Nakanokata Dam can be seen when you go north from the Kasagi Dam. At the time of the interview, water was leaking from the embankment. The peaceful landscape of a farming village spreads out just below the embankment. It sits on top of the landscape as if it were spreading its wings. / Gravity Concrete Dam / 41.7m

2009.07.09

Dam in Gifu Prefecture

1063-Kasagi Dam / Gifu Prefecture

The rows and rows of neatly arranged gates are very impressive. It is an old dam built before World War II, but it would have been difficult for prewar engineers to create such an old-fashioned formative beauty. Incidentally, it has been selected as one of "Japan's Modern Civil Engineering Heritage: 2000 Important Civil Engineering Structures in Existence. / Gravity concrete dam / 40.8m

2009.07.08

Dam in Gifu Prefecture

1092-Takeori Disaster Prevention Dam

This is a rather eccentric earth dam with a road in the center of the embankment, standing quietly so as not to be noticed as a dam. The distance between the flood discharge ramp and the bridge is short, so when the water is discharged, you will be able to see it very closely. I don't think a large amount of water will be discharged, but in the event of a large flood, it may turn into a roadside river. / Earth dam / 17.2m

2009.07.08

Dam in Gifu Prefecture

1236-Bamba Adjustment Pond

Although it is not possible to approach the dam, it is quite an interesting property. It is a good idea to also visit the water exhibition hall and Mt. It is an unusual dam with a rectangular shape. I don't know how to take pictures of it. It is an asphalt-facing dam, which means that the barrier wall is covered with asphalt, which is a little unusual. / Asphalt-facing fill dam / 28.6m

2009.07.05

Dam in Aichi Prefecture

1237-Ohara Adjustment Pond

It is located between the Mikkaichi Interchange and Toyokawa Interchange on the Tomei Expressway, so even those who are not interested in dams will probably think, "Oh, that's it," if they have ever driven through the expressway. That is the Ohara Adjustment Pond. On some maps, it is referred to as the Ohara Dam. The Ohara Regulating Pond serves as a regulating reservoir for the Toyokawa River water supply. / Rockfill dam / 47.9m

2009.07.03

Dam in Aichi Prefecture

0769-cassadam/kassadamu

We are pleased to participate in the "4th Dam Web Ring Kassa Dam Off-line Meeting" and this event was made possible by the cooperation of Denpatsu Kaihatsu (hereinafter referred to as Denpatsu). So, the Kassa Dam is accessed from the road at the back of the Mitsumata area parking lot of the Kagura Ski Resort. / Rockfill dam / 90m

2009.06.30

Niigata Prefecture Dam

0773-Nii Dam

The lower dam, where pumped-storage power is generated between the upper dam, Kassa Dam, and the Nii Dam, is the Nii Dam. If you are coming from Gunma, drive north on the Mikuni Kaido road for a while after entering Niigata Prefecture, and you will see a sign on your right hand side. This is a great area for a drive, so please stop by. / Rockfill dam / 87m

2009.06.29

Niigata Prefecture Dam

0606-Aimata Dam

Despite the small size of the dam, the facilities are quite extensive. Of course, there are many things to see and do. National Route 17 runs along the side of the dam lake, which was also called Mikuni Kaido in the old days, and it is said that Kenshin Uesugi also passed through here. Nearby is Sarugakyo Onsen, which would be a good base for sightseeing and touring the dam. / Gravity Concrete Dam / 67m

2009.06.15

Gunma Dam

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