{"id":8726,"date":"2014-09-08T00:00:49","date_gmt":"2014-09-07T15:00:49","guid":{"rendered":"http:\/\/morigen.net\/blog\/?p=8726"},"modified":"2018-08-30T23:35:30","modified_gmt":"2018-08-30T14:35:30","slug":"the-secret-jkt-bridge-in-oyubari","status":"publish","type":"post","link":"https:\/\/morigen.net\/blog\/?p=8726&lang=en","title":{"rendered":"The secret JKT bridge in Oyubari"},"content":{"rendered":"<P>One warm afternoon, I was doing internet surfing with sleepiness after lunch, my sleepiness blows off because I see locate awesome one.\r\nThe photo the burdge that I have seen sapand place that I never seen on &#8220;<A href=\"http:\/\/www.ab.auone-net.jp\/~haikyo\/haisen\/oyubari\/oyubari.html\" target=\"_blank\" title=\"\u5927\u5915\u5f35\u70ad\u9271\">\u5ec3<\/A>&#8220;. Exactly it&#8217;s JKT, type 99 heavy truss railway bridge (99\u5f0f\u91cd\u69cb\u6841\u9244\u9053\u6a4b, ky\u016bj\u016bky\u016bshiki j\u016b k\u014dta tetsud\u014dky\u014d). Skilled administrator notices perfectly. If he didn&#8217;t notice, I can&#8217;t do too.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102248DSC_0917l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102248DSC_0917s.JPG\" alt=\"20140908102248DSC_0917.JPG\" \/><\/A> <A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090801l.png\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090801s.png\" alt=\"2014090801.png\" \/><\/A><BR>\r\nI transited Oyubari sunk into a dam, ran 3 km the forest road, I arrived at the bridge. right before the bridge, the road curve, so I gaze this naturally. It&#8217;s easy to see so, why nobody teaches to me.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102320DSC_0920l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102320DSC_0920s.JPG\" alt=\"20140908102320DSC_0920.JPG\" height=\"160\"\/><\/A> <A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102344DSC_0921l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102344DSC_0921s.JPG\" alt=\"20140908102344DSC_0921.JPG\" height=\"160\"\/><\/A> <A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102352DSC_0922l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102352DSC_0922s.JPG\" alt=\"20140908102352DSC_0922.JPG\" height=\"160\"\/><\/A><BR>\r\nName is Katori Hashi by name plate. River called Katorihsawa river (\u9999\u53d6\u6ca2), so it seems to \u9999\u53d6\u6a4b in kanji. \r\nIt&#8217;s different with Komakisawarindo bridge (\u5c0f\u5dfb\u6ca2\u6797\u9053\u6a4b) that complete year unknown, Katori bridge built in August 1967 by the nameplate.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102426DSC_0925l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908102426DSC_0925s.JPG\" alt=\"20140908102426DSC_0925.JPG\" \/><\/A><BR>\r\nMud piles up thin on road surface, rail is exposed under mud. It&#8217;s same construction to Komakisawarindo bridge. I don&#8217;t know how to use tiny iron plate on rail.\r\nSame to Komakisawarindo bridge, wooden plate may be laid, and the iron plat fix the woodn plat.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908103036DSC_0931l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908103036DSC_0931s.JPG\" alt=\"20140908103036DSC_0931.JPG\" \/><\/A><BR>\r\nI downed to the river. Span is short so no stacked. 15.5m length by panels. <\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908103308DSC_0944l.JPG\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/20140908103308DSC_0944s.JPG\" alt=\"20140908103308DSC_0944.JPG\" \/><\/A><BR>\r\nThe forest railway No.5 and No.6 and Komakisawarindo bridge use 3 columns, but it is using 6 columns. A width of 1 columns is 0.5 m. 6 columns has 3.0 m. \r\nThis has an opening between columns and rail overhang at side, effective width is seems to about 4.0 m. The bridge has so wide width, dump et al large truck can cross the bridge.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090802l.gif\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090802s.gif\" alt=\"2014090802.gif\" \/><\/A><BR>\r\nA question is where did the JKT come from? Near here, forest railway famous for JKT. I think Katori bridge moved from forest railway, because JKT was hard to obtain. JKT introduced 4 bridges 8 spans in forest railways.\r\nSome removed arise from building Oyubari dam or the railway abolished, now exist only forestralway No.5 and No.6. We don&#8217;t know where went 20 m span\u00d73 and 14 m span \u00d72 total 5 spsns.<\/P>\r\n<HR class=\"pause\">\r\n<P><A href=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090803l.gif\" target=\"_blank\" class=\"colorbox\"><IMG src=\"https:\/\/morigen.net\/blog\/image\/2014\/09\/08\/2014090803s.gif\" alt=\"2014090803.gif\" \/><\/A><BR>\r\nIf 20 m span that one of missing 5 spans diverted to Komakisaarindo bridge, Remains are 20 m span \u00d72 and 14m span \u00d72. It&#8217;s disagree with Katori bridge. And width disagree too because it used with 3 columns in era forest railways. However, JKT is assemble with pins, so if decomposed and rearranged, we can create 15.5 m span 6 column. The end has 2 type parts of panels, 1 m and 2.5 m. 15.5 m span needs both type end paets. The other side 14 m span has 1 m parts only, 20 m span has 2.5m parts only. \r\nI mean, 1967 when Katori bridge built, not existed new JKT, so Katori bridge diverted from forest railway, so missing all 5 spans <SPAN class=\"invisible\">\uff084 spans except Komakisawarindo bride \uff09<\/SPAN> were saving then somewhere of forest service. Someday other parts are excavate at warehouse or material storing site.\r\n<SPAN class=\"invisible\">It&#8217;s expect too much.<\/SPAN><\/P>\r\n<HR class=\"pause\">\r\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/efE0Ev8ByKQ\" frameborder=\"0\" allowfullscreen><\/iframe>\r\n<P>At last, I took a movie. It hardly move. Though I took it, I show you not to become wasteful.<\/P>\r\n<HR class=\"pause\">\r\n\r\n<H3 class=\"infopar\">infomation of this entry<\/H3>\r\n<DIV class=\"infochi\">\r\n\t<H4 class=\"info\">\u95a2\u9023\u8a18\u4e8b<\/H4>\r\n\t<UL class=\"colored_list related_post\">\r\n\t\t<LI><?php include 'related_post\/yuubari.php'; ?><\/LI>\r\n\t<\/UL>\r\n\t<H4 class=\"info\">\u4e3b\u8981\u5730\u70b9\u306e\u5730\u56f3<\/H4>\r\n\t<UL class=\"colored_list main_point_map\">\r\n\t\t<LI><A href=\"http:\/\/tools.wmflabs.org\/geohack\/geohack.php?language=ja&#038;pagename=%e9%a6%99%e5%8f%96%e6%a9%8b&#038;params=43_06_21.54_N_142_03_56.32_E_region:JP_type:landmark\" target=\"_blank\">\u9999\u53d6\u6a4b<\/A><\/LI>\r\n\t<\/UL>\r\n\t<H4 class=\"info\">\u53c2\u8003\u6587\u732e<\/H4>\r\n\t<UL class=\"colored_list reference\">\r\n\t\t<LI>\u5929\u7fd4\u3001\u300e\u91cd\u69cb\u6841\u9244\u9053\u6a4b\u306e\u6700\u671f\u300f(http:\/\/www.d1.dion.ne.jp\/~j_kihira\/library\/others\/jyukama.html)<\/LI>\r\n\t<\/UL>\r\n\t<H4 class=\"info\">\u5909\u66f4\u5c65\u6b74<\/H4>\r\n\t<UL class=\"colored_list update_history\">\r\n\t\t<LI>2016-02-23\u3000\u5197\u5b57\u4fee\u6b63<\/LI>\r\n\t<\/UL>\r\n<\/DIV>","protected":false},"excerpt":{"rendered":"One warm afternoon, I was doing internet surfing with sleepiness after lunch, my sleepiness blows off because  [&hellip;]","protected":false},"author":1,"featured_media":8142,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1311],"tags":[1398,1400,1321,1319,1315],"class_list":["post-8726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-travel","tag-1398","tag-forestry","tag-rail-road","tag-road","tag-yubari-city"],"_links":{"self":[{"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8726"}],"version-history":[{"count":0,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8726\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=\/wp\/v2\/media\/8142"}],"wp:attachment":[{"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/morigen.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}