{"id":41932,"date":"2023-10-02T05:49:52","date_gmt":"2023-10-01T20:49:52","guid":{"rendered":"http:\/\/kochihen.replan.ne.jp\/?p=41932"},"modified":"2023-10-02T17:28:56","modified_gmt":"2023-10-02T08:28:56","slug":"%e3%80%90%e9%9d%92%e6%a3%ae%e3%81%ae%e6%9d%be%e6%9d%90%e3%81%8c%e6%94%af%e3%81%88%e3%81%9f1914%e5%b9%b4%e6%9d%b1%e4%ba%ac%e9%a7%85%e5%89%b5%e5%bb%ba%e6%99%82%e3%81%ae%e5%9f%ba%e7%a4%8e%e3%80%91","status":"publish","type":"post","link":"http:\/\/kochihen.replan.ne.jp\/?p=41932","title":{"rendered":"\u3010\u9752\u68ee\u306e\u677e\u6750\u304c\u652f\u3048\u305f1914\u5e74\u6771\u4eac\u99c5\u5275\u5efa\u6642\u306e\u57fa\u790e\u3011"},"content":{"rendered":"

\"\"<\/a>
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\n\"\"<\/a>
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English version\u2b07<\/p>\n

The foundation of Tokyo Station in 1914, supported by Aomori pine timbers.
\nFrom the past to the future, Nippon is passed down from generation to generation. The construction history of Tokyo Station, the starting point of human flow. A total of more than 10,000 pine logs with a diameter of more than 21 cm were driven into the foundation piles. …<\/p>\n

Today is October 2nd. I have an announcement to make about our company and myself, but I will not post it on this blog until tomorrow, as I will be sending a formal letter to all of my business associates as of today. Please understand.
\nAs such, I was on a business trip to Tokyo last weekend, and symbolically, today’s blog is about the Tokyo Station building.
\nTokyo Station is home to the Tokyo Station Gallery, which opened in 1988. It is located inside the brick tower building on the right side facing the Imperial Palace. Since Tokyo Station is often the starting and ending point of business trips, this kind of museum is a great place for me to adjust my time.
\nAlso, as my house is made of bricks, I feel sympathy for the nostalgic attitude of Tokyo Station. The flow line of the exhibition takes visitors through the brick stairwells, and they spend a lot of time in these stairwells along with the art exhibits. It is interesting to learn about the ingenuity of the construction at the time of the building’s founding in the Meiji period.
\nArchitecture is an activity that strongly affects people’s memories. The traces of the work are tasteful and convey the atmosphere of the building.
\nThe photo above is a picture of an explanatory panel named “Matsumaruta,” a pile foundation at the time of Tokyo Station’s construction. The actual “pine log” is shown in this photo.<\/p>\n

The name “Matsumaruta” comes from the construction record “Tokyo Station Construction Report” compiled after the construction of Tokyo Station in 1914. According to this record, pine logs were purchased from the Aomori Dairin District Office (present-day Aomori Forest Office), with diameters of 21 cm or more and lengths of approximately 5.5 to 7 m, depending on the geological conditions, and buried at equal intervals by a steam pile driving machine (total of 11,050 piles) in the ground dug approximately 3.7 m below the ground. Concrete, Hanaokaishi stone, and bricks were piled on top of the piles to form the foundation of the building, on which steel columns were erected.
\nOh, and then, the train network was built at that time. Even though the train network was already in place at that time, the logs used for the “foundation” of Tokyo Station, the gateway to Japan, were transported from as far away as Aomori to support the foundation. The photo above shows the foundation of Tokyo Station taken in February 1909. More than 10,000 large-diameter pine logs were driven into the ground here. You can guess that the “steam pile-driver” is the one standing gnarled.
\nThe main objectives of the preservation and restoration work of the Tokyo Station Marunouchi Station Building from 2007 to 2012 were to restore the station building to its original appearance and to “seismically isolate” the building. The Meiji-era foundations were removed to create a seismic isolation layer underground. The pine logs that were cut and dug out were in good condition with no corrosion.
\nFrom the past to the future, we were made to feel that this is one of the symbols of Japanese architecture.<\/p>\n","protected":false},"excerpt":{"rendered":"

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