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    • 1. 发明专利
    • Reinforcing method for tunnel lining
    • 隧道衬砌加固方法
    • JP2010077747A
    • 2010-04-08
    • JP2008249668
    • 2008-09-29
    • Fujita CorpRailway Technical Res Inst株式会社フジタ財団法人鉄道総合技術研究所
    • OKANO NORIYUKIUEMURA YOSHIYUKINAKANISHI YUSUKEYOSHIKAWA KAZUYUKIHIRANO KATSUNORIOKAYA SHUJICHICHIBU AKIYOSHI
    • E21D11/00
    • PROBLEM TO BE SOLVED: To provide a reinforcing method for tunnel lining, which facilitates installation work and can achieve great cost reduction.
      SOLUTION: In this reinforcing method for tunnel lining, an anchor hole 10 is formed on the tunnel inner-space side of the tunnel lining 2, and an anchor bolt 5 is arranged in the anchor hole 10. Further, there are provided a fastening fitting 4, which comprises a connecting hole 4A and a fixing hole 4B for being fixed to the connecting hole 4A and the anchor bolt 5, and a fastening fitting assembly 3, which comprises a continuous thread stud 7 fixed to the connecting hole 4A so as to connect the fastening fittings 4 to each other and a connecting nut 8 for connecting the continuous thread stud 7 to the fastening fitting 4. The fastening fitting 4 is fixed by means of a fixing nut 6 in such a manner that the fixing hole 4B of the fastening fitting 4 is aligned with the anchor bolt 5 in such a state that the fastening fitting assembly 3 is temporarily assembled by means of the connecting nut 8, and subsequently, the fastening fittings 4 are fixed to each other by means of the connecting nut 8 of the fastening fitting assembly 3.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供隧道衬砌的加固方法,其有利于安装工作并且可以实现极大的降低成本。 解决方案:在隧道衬砌的这种加固方法中,在隧道衬砌2的隧道内空间侧形成有锚定孔10,锚定孔10中设置有锚定螺栓5。另外, 紧固配件4包括连接孔4A和用于固定到连接孔4A和锚定螺栓5的固定孔4B和紧固配件组件3,该紧固配件组件3包括固定到连接孔4A上的连续螺纹螺柱7 以将紧固配件4彼此连接,以及用于将连续螺纹螺栓7连接到紧固配件4的连接螺母8.紧固配件4通过固定螺母6固定,使得固定孔 在紧固配件组件3通过连接螺母8临时组装的状态下,紧固配件4的4B与锚定螺栓5对准,随后,紧固配件4通过 connecti 紧固配件组件3的螺母8。版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Underwater concrete placing method and device
    • 水下混凝土配置方法和装置
    • JP2013104216A
    • 2013-05-30
    • JP2011248415
    • 2011-11-14
    • Fujita Corp株式会社フジタ
    • HIRANO KATSUNORIKOJIMA AKI
    • E02D15/06
    • PROBLEM TO BE SOLVED: To provide an underwater concrete placing device capable of accurately obtaining and managing an embedded length of a tremie pipe as well as a placing height of underwater concrete without requiring manpower.SOLUTION: With a tremie pipe 12 vertically arrange in water of a dam 10, an effective length TL of the tremie pipe 12 is measured with an effective length measuring device 16 as well as a distance Sh between a measuring base point 30 provided on the tremie pipe 13 and a crown of placed underwater concrete 28 is measured with a crown distance measuring device 18. Based on the distance Sh, a new placing height ΔSh of the underwater concrete 28A which is a displacement of the crown of the underwater concrete 28 in an upward direction in association with placing concrete. In addition, the distance Sd from a water surface 10a to the measuring base point 30 is measured and an embedded length Ta of the tremie pipe 12 is calculated by subtracting the placing height ΔSh as well as the distance Sd from the effective length TL. Then, concrete is once again placed through the tremie pipe 12 up to the placing height ΔSh which enables a portion of the tremie pipe 12 to be separated and removed.
    • 要解决的问题:提供一种能够准确地获得和管理颤音管的嵌入长度以及水下混凝土的放置高度而不需要人力的水下混凝土浇筑装置。 解决方案:利用垂直布置在坝10的水中的颤音管12,用有效长度测量装置16测量颤音管12的有效长度TL以及提供的测量基点30之间的距离Sh 在拱顶管13上,用冠部距离测量装置18测量放置的水下混凝土28的冠部。基于距离Sh,作为水下混凝土的冠部位移的水下混凝土28A的新的放置高度ΔSh 28相对于放置混凝土而向上的方向。 此外,测量从水面10a到测量基点30的距离Sd,并且通过从有效长度TL减去放置高度ΔSh以及距离Sd来计算颤音管12的嵌入长度Ta。 然后,将混凝土再次放置通过颤音管12直到放置高度ΔSh,使得颤音管12的一部分能够被分离和移除。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Method of manufacturing, joining and constructing precast concrete member
    • 制造,加工和构造预制混凝土构件的方法
    • JP2011252379A
    • 2011-12-15
    • JP2011155319
    • 2011-07-14
    • Fujita CorpLandes Co LtdToei Concrete LtdTokyo Tekko Co Ltdランデス株式会社東京鐵鋼株式会社東栄コンクリート工業株式会社株式会社フジタ
    • HIRANO KATSUNORISASATANI TERUMASAOTSUKI TAKAYUKIMATSUOKA SATOSHIONO SHUJIKOSHIJI MASATOSASAKI FUMIO
    • E04B1/61E04B1/04E04C5/18
    • PROBLEM TO BE SOLVED: To provide a mortar injection path and air discharge path forming jig for surely forming a mortar injection path and an air discharge path by simple work.SOLUTION: The jig 16 is attached respectively to a mortar injection opening 14A and an air discharge opening 14B of a mortar filling joint 14 inside a concrete mold 12. The jig 16 is attached by putting a cylindrical body 28 on a cylindrical member 26, inserting a male screw member 3002 to a rubber washer 24 and the cylindrical member 26 on which the cylindrical body 28 is put, inserting a nut 3004 from the openings 14A and 14B to the inside of the mortar filling joint 14 and mounting the rubber washer 24 to the openings 14A and 14B in the state of screwing the nut 3004 to the distal end of the male screw member 3002, projecting the other end of the male screw member 3002 from a hole 1206 of a side plate 1204 of the concrete mold 12 to the outer surface of the side plate 1204 and tightening the nut 3006 to the male screw member 3002 on the outer surface of the side plate 1204.
    • 要解决的问题:提供一种通过简单的工作确保形成砂浆注入路径和排气路径的砂浆注入路径和空气排出路径形成夹具。 解决方案:夹具16分别安装在混凝土模具12内的砂浆注入口14A和砂浆填充接头14的排气口14B中。夹具16通过将圆筒体28放置在圆柱形构件 如图26所示,将外螺纹部件3002插入橡胶垫圈24和其上放置有圆筒体28的圆筒构件26,将来自开口14A和14B的螺母3004插入砂浆填充接头14的内部,并将橡胶 将螺母3004拧入外螺纹部件3002的前端的状态下,将开口部14A,14B从开口部14A,14B突出,将外螺纹部件3002的另一端从混凝土模具的侧板1204的孔1206突出 12到侧板1204的外表面并且将螺母3006紧固到侧板1204的外表面上的外螺纹构件3002.版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • セグメントの連結構造
    • 分段连接结构
    • JP2014227756A
    • 2014-12-08
    • JP2013109630
    • 2013-05-24
    • 株式会社フジタFujita Corp石川島建材工業株式会社Ishikawajima Constr Materials Co Ltd
    • HIRANO KATSUNORIISOZAKI TOMOHITOFUJIMOTO NAOAKISATO TAKUMIHARUTA TOSHIYAKITAYAMA KEIZOKISHI KOICHIHIRANO TAKATSUGUSASATANI TERUMASAASANO HIROSUKEYAMADA KOJI
    • E21D11/04E21D11/08
    • 【課題】連結用孔の軸心が合致していない場合であっても軸状部材に過大な曲げ応力を作用させず、また、セグメントの汎用性にすぐれ、地震動による引張り力など組み立て後に作用する外力に対して余裕度を向上させたセグメントの連結構造を提供すること。【解決手段】一方の端部鋼板14の連結用孔1402は、連結用孔1402の内周面と筒状部材20の外周面との間に隙間S1が確保される寸法で形成されている。軸状部材22であるボルトBは、各連結用空間部16に配置された補強板30の挿通孔3004、筒状部材20の内部貫通孔2002に挿通され、ナットNが螺合されている。これにより、隣り合うセグメント10の端部鋼板14を挟持し、同時に、筒状部材20を、合わされた2つの端部鋼板14の連結用孔1402に位置させている。連結用空間部16にコンクリートCが打設され、端部鋼板14を挟持した状態を固定している。【選択図】図1
    • 要解决的问题:为了提供一种节段的连接结构,该段的通用性优异,并且提高组装之后的作用力(例如地震的拉伸力)的余力,而不会产生过大的弯曲应力作用在轴 - 即使当连接孔的轴线不重合时,一端部钢板14的连接孔1402形成为用于将间隙S1固定在连接孔1402的内周面和 作为轴状构件22的螺栓B被插入到布置在各个连接空间部分16中的加强板30的插入孔3004和圆柱形构件20的内部通孔2002中 并且与螺母N螺纹接合。因此,相邻的区段10的端部钢板14被保持,并且圆筒构件20同时位于连接孔1中 402。将混凝土C放置在连接空间部分16中,并固定保持端部钢板14的状态。
    • 7. 发明专利
    • Nuclear plant installation structure
    • 核工厂安装结构
    • JP2013002838A
    • 2013-01-07
    • JP2011131281
    • 2011-06-13
    • Fujita Corp株式会社フジタ
    • HIRANO KATSUNORISASATANI TERUMASA
    • G21C1/00G21C13/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a nuclear plant capable of surely supplying cooling water to a nuclear reactor especially even when no power source can be used in emergency while hardly receiving an impact of an earthquake.SOLUTION: A nuclear plant 10 is an underground tank type buried in the underground near the sea 11. The nuclear plant 10 mounted on a supporting foundation 15 in the ground includes a structure 19 storing a reactor containment vessel 17 with a nuclear reactor in it, a water-impermeable diaphragm wall 25 surrounding the structure 19 via the isolation ground water 23 provided in such a manner that its bottom part reaches the support foundation 15 and a pipeline 29 provided at a position lower than the sea water level 11a and the ground water level 13a for connecting the sea 11 with the structure 19. In emergency, one or more valves 29a provided on the pipeline 29 are manually opened so as to make the sea water flow into the inside of the structure 19 through the pipeline 29 by the natural power of gravity only generated by a different of elevation between the sea water level 11a, the ground water level 13a and the pipeline 29.
    • 要解决的问题:提供一种能够确定地向核反应堆供应冷却水的核电站,特别是即使在几乎没有受到地震影响的情况下也不能在紧急情况下使用电源的情况下。 解决方案:核电站10是埋在地下的地下储罐型号。11.安装在地面上的支撑基座15上的核电厂10包括一个结构19,该结构将储存反应堆的容器17与核反应堆 在其中设置有通过隔离地下水23围绕结构19的不透水隔膜壁25,隔离地下水23以其底部到达支撑基座15的方式设置,并且设置在低于海水水位11a的位置处的管道29和 用于将海水11与结构19连接的地下水位13a。在紧急情况下,设置在管道29上的一个或多个阀29a被手动打开,以使海水通过管道29流入结构19的内部 由自然力引起的仅由海水位11a,地下水位13a和管道29之间的不同高度产生。(C)2013年,JPO和INPIT
    • 10. 发明专利
    • Management method and management device for cast-in-place concrete pile construction method
    • 混凝土桩施工方法的管理方法和管理装置
    • JP2013019241A
    • 2013-01-31
    • JP2011155562
    • 2011-07-14
    • Fujita Corp株式会社フジタ
    • HIRANO KATSUNORINAKAJIMA KANAKOYAMAMOTO SHINGOFUJIKURA YUSUKETOKUNAGA TAKASHINAKANO HIROYUKIMINAMIKATA FUMIAKI
    • E02D5/34
    • PROBLEM TO BE SOLVED: To provide a management method and a management device for a cast-in-place concrete pile construction method, which are advantageous to rationalizing the works of pulling out casing pipes and tremie pipes.SOLUTION: A casing pipe bottom end depth Dc, a tremie pipe bottom end depth Dt, and a concrete top end depth Dk are each detected. Whether it is possible or not to pull out an uppermost casing pipe unit body 12 is determined based on the concrete top end depth Dk, the casing pipe bottom end depth Dc, and the length of the uppermost casing unit body 12. Whether it is possible or not to pull out an uppermost tremie pipe unit body 18 is determined based on the concrete top end depth Dk, the tremie pipe bottom end depth Dt, and the length of the uppermost tremie pipe unit body 18. These determination results are notified. Thus, works of pulling out a casing pipe 14 and a tremie pipe 20 can be performed based on the notified results.
    • 要解决的问题:提供一种现浇混凝土桩施工方法的管理方法和管理装置,有利于拉出套管和管材的工作合理化。

      解决方案:分别检测套管管底端深度Dc,颤音管底端深度Dt和混凝土顶端深度Dk。 基于具体的顶端深度Dk,套管管底端深度Dc和最上面的壳体单元主体12的长度来确定是否可能拉出最上面的套管单元主体12.是否可能 根据具体的顶端深度Dk,颤音管底端深度Dt以及最上面的颤音管单元主体18的长度来确定或不拉出最上方的颤音管单元体18。这些确定结果被通知。 因此,可以基于通知的结果进行拉出套管14和颤音管20的工作。 版权所有(C)2013,JPO&INPIT