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    • 11. 发明专利
    • Deterioration evaluating method of cover material layer
    • 覆盖材料层的测定评估方法
    • JP2009174858A
    • 2009-08-06
    • JP2008010569
    • 2008-01-21
    • Horyo Sangyo KkKajima CorpTowa Taika Kogyo Kk宝菱産業株式会社東和耐火工業株式会社鹿島建設株式会社
    • FURUICHI KOSUKETAKIMOTO KUNIHIKOMORIGUCHI TOSHIMITANAKA TSUTOMUMACHIYA SATOSHISEKINO KAZUOUCHIYAMA SUSUMUOKUDA MITSUHITO
    • G01N17/00E21D11/38G01N3/00
    • PROBLEM TO BE SOLVED: To provide a deterioration evaluating method of a cover material layer capable of clearly judging the deterioration degree of a refractory cover material layer or the like applied to the inner wall surface or the like of a tunnel and capable of simply judging the deterioration degree in a short time on the spot using a relatively simple measuring jig.
      SOLUTION: A lower hole 10 is bored in the refractory cover material layer 2 up to predetermined depth from the surface thereof by a drill or the like and the male screw 11a of a hanging hook 11 is screwed in the lower hole 10 while the hook 13 of a draw load meter 12 is connected to the hook 11b of the hanging hook 11 to be drawn to measure a draw load, that is, the draw strength of the refractory cover material layer 2. The relation between the draw strength and the deterioration degree having a large difference corresponding to the deterioration degree of the refractory cover material layer 2 as compared with compression strength is preliminarily calculated by an experiment or the like and the measured value of the draw load meter 12 is compared and collated with the deterioration degree to judge the deterioration degree of the refractory cover material layer 2. In the disaster caused by the small-scaled fire in the tunnel or the like, the relation between the temperature of the fire and draw strength is used to judge the temperature of the fire.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:为了提供能够清楚地判断施加到隧道的内壁面等的耐火材料层等的劣化程度的覆盖层的劣化评价方法,能够 使用相对简单的测量夹具简单地在现场使用短时间内的劣化程度。 解决方案:下端孔10在耐火覆盖材料层2中通过钻头等从其表面到达预定深度钻孔,并且挂钩11的外螺纹11a被拧在下孔10中,同时 牵引负载表12的钩13连接到挂钩11的钩11b以被拉伸以测量拉伸载荷,即耐火材料层材料层2的拉伸强度。拉伸强度与 通过实验等预先计算与耐火材料层2的耐压覆盖材料层2的劣化度对应的大的差异的劣化程度,并将拉伸载荷计12的测定值与劣化对照 判断耐火材料层2的劣化度的程度。在隧道等小规模火灾引起的灾害中,f ire和拉力是用来判断火的温度。 版权所有(C)2009,JPO&INPIT
    • 12. 发明专利
    • Boring control method in shield method
    • 屏蔽方法中的控制方法
    • JP2006241878A
    • 2006-09-14
    • JP2005060302
    • 2005-03-04
    • Kajima Corp鹿島建設株式会社
    • SHIBATA MANABUISHIMATSU TOSHIMIHATANO TORUMATSUMOTO RYUJITAKIMOTO KUNIHIKOIGARASHI HIROMASANAGAMORI KUNIHIRO
    • E21D9/13E21D9/06
    • PROBLEM TO BE SOLVED: To provide a boring control method in a shield method capable of stabilizing the circumference of a shield tunnel with high degree of accuracy by surely deciding the necessity of its correction even if a wide area of the width in the excavated direction of the shield tunnel is excavated. SOLUTION: The total excavated amount equivalent to a plurality of ring parts excavated by a sludge type shield machine is obtained, and a bedrock around the sludge type shield machine is managed on the basis of the total excavated amount. As the total excavated amount, E1 is an excavated amount of one ring portion for a segment directly before the excavation is carried out, En is the total excavated amount of n ring portions (n is two or more integers), and when either one of the total excavated amounts E2 to En is in excess of predetermined threshold R2 to Rn set to each of the total excavated amounts E2 to En, the predetermined correction is carried out. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种能够以高精度稳定屏蔽隧道的周长的屏蔽方法,即使宽度大的区域也可以确定地确定其校正的必要性, 挖掘出盾构隧道的挖掘方向。 解决方案:获得与污泥型屏蔽机器挖掘的多个环形部件相当的总开挖量,基于总挖掘量管理污泥型屏蔽机周围的基岩。 作为总挖掘量,E1是在挖掘开始之前的段的挖掘量为一个环部,En是n个环部的总挖掘量(n是两个以上的整数),并且当任一个 总挖掘量E2至En超过设定为总挖掘量E2〜En中的每一个的规定阈值R2〜Rn,进行规定的修正。 版权所有(C)2006,JPO&NCIPI
    • 13. 发明专利
    • Prestressed concrete segment for tunnel lining
    • 隧道内衬预应力混凝土段
    • JP2005155010A
    • 2005-06-16
    • JP2003390402
    • 2003-11-20
    • Kajima CorpPs Mitsubishi Construction Co Ltd株式会社ピーエス三菱鹿島建設株式会社
    • MATSUURA MASANORITAKIMOTO KUNIHIKOHAYAKAWA YASUYUKIFUJIMOTO YASUHIRO
    • E21D11/08E21D11/04
    • PROBLEM TO BE SOLVED: To provide a prestressed concrete segment for tunnel lining widely usable as a lining material of a shield tunnel where a shield inner surface exists in a severe corrosive environment from a flowing-down component and a shield tunnel for receiving large internal water pressure by a flowing-down water quantity.
      SOLUTION: This prestressed concrete segment for the tunnel lining introduces prestress in the tunnel axial direction and the peripheral direction by a PC steel material 4 obliquely arranged in the tunnel axial direction. Two or more sheaths 5 for inserting the PC steel material 4 are arranged in a crossing shape in a concrete cross section of the respective segments 1, 2 and 3. The whole inner peripheral surface of the respective segments 1, 2 and 3 is covered with resin. An end part of the PC steel material 4 inserted into the respective sheaths 5 is tensioned and connected by a joint metal fitting 6 in a joint surface between respective segment rings.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供广泛用作隧道衬砌的预应力混凝土段,所述隧道衬砌广泛用作屏蔽隧道的衬里材料,其中屏蔽内表面存在于来自下降部件的严重腐蚀性环境中,并且用于接收 大的内部水压由下降的水量。

      解决方案:该隧道衬砌预应力混凝土段通过沿隧道轴向倾斜布置的PC钢材4在隧道轴向和周向方向引入预应力。 用于插入PC钢材4的两个或更多个护套5在各个段1,2和3的混凝土横截面中以交叉形状布置。各个段1,2和3的整个内周表面被覆盖 树脂。 插入到各个护套5中的PC钢材4的端部通过接头金属配件6张紧并连接在各个环形环之间的接合面上。 版权所有(C)2005,JPO&NCIPI

    • 14. 发明专利
    • Excavation method and excavation mechanism
    • 挖掘方法和挖掘机制
    • JP2013087578A
    • 2013-05-13
    • JP2011231580
    • 2011-10-21
    • Kajima Corp鹿島建設株式会社
    • SAKANE HIDEYUKITAKIMOTO KUNIHIKONAKATANI YUKIHIROTAKARADA YOSHIKAZUTSURUTA KOICHIKITAGAWA YUTAKAMOROHASHI TOSHIONAGAMORI KUNIHIRO
    • E21D9/087E21D9/06
    • PROBLEM TO BE SOLVED: To provide an excavation method and the like capable of preventing deformation and depression of a cover plate and furthermore preventing intrusion of sediment and the like into an excavator when the roof excavator is preceded.SOLUTION: An excavation mechanism 1 has a main excavator 3 and a rectangular roof excavator 2 arranged on a top face of the main excavator 3. The rectangular roof excavator 2 has a roof machine box 25 which can be advanced by a roof propulsion jack 22 and a roof propulsion box 23 which accommodates a rear part 25b of the roof machine box 25. At a rear end of a front part 25a of the roof machine box 25, a cover plate 21 is attached so as to cover a top face and a side face of the roof propulsion box 23. An openable/closable hole part 232 is provided in a front end 23b of the roof propulsion box 23, and a filler 200 is injected through the hole part 232 into a space 20 which is formed inside the cover plate 21 and outside the rear part 25b of the roof machine box 25 when the roof machine box 25 is advanced.
    • 要解决的问题:提供一种能够防止盖板的变形和凹陷的挖掘方法等,并且当屋顶挖掘机在前面时,还防止沉淀物等侵入挖掘机。 解决方案:挖掘机构1具有设置在主挖掘机3的顶面上的主挖掘机3和长方形屋顶挖掘机2.矩形屋顶挖掘机2具有屋顶机箱25,其能够通过屋顶推进 千斤顶22和屋顶推进箱23,其容纳屋顶机箱25的后部25b。在屋顶机箱25的前部25a的后端,安装有盖板21,以覆盖顶面 和屋顶推进箱23的侧面。在屋顶推进箱23的前端23b中设置有可开闭的孔部232,并且填充物200通过孔部232注入到形成的空间20中 当顶盖机箱25前进时,在顶板机箱25的后盖部分25b的外侧和外部的后部25b之间。 版权所有(C)2013,JPO&INPIT
    • 16. 发明专利
    • Junction structure of vertical shaft mouth part
    • 垂直轴部分的结构结构
    • JP2011241639A
    • 2011-12-01
    • JP2010116131
    • 2010-05-20
    • Kajima Corp鹿島建設株式会社
    • SAITO YUSUKETADA YUKIOTAKIMOTO KUNIHIKOARAI TAKAHIROUSHIGAKI MASARU
    • E21D11/00E21D9/06
    • PROBLEM TO BE SOLVED: To provide a flexible, simple and economical junction structure of a vertical shaft mouth part, capable of securing the safety of a structure when external force acts and surely preventing the decline of a water cutoff performance.SOLUTION: Planer cutoff rubber 21 is provided along the end face 6 of a tunnel 5. Along the surface 12 on the inner side of a vertical shaft 3 of the cutoff rubber 21, a cutoff steel plate 17 which comprises an outer side ring 17b and an inner side ring 17a and has a cutoff weld part 19 to function as a deformation induction part at a boundary is provided. The cutoff steel plate 17 and the cutoff rubber 21 are fixed to the mouth part of the vertical shaft 3 using a headed bolt 29 and are fixed to the end face 6 of the tunnel 5 using a headed bolt 23. Between the head part 30 of the headed bolt 23 and the cutoff steel plate 17, an elastic washer 27 is provided. A rib plate 33 is provided on the surface 14 on the inner side of the vertical shaft 3 of the cutoff steel plate 17. The contact part of the rib plate 33 with the outer side ring 17b is fixed over the entire length, and the contact part with the inner side ring 17a is fixed only at a predetermined part.
    • 要解决的问题:提供一种垂直轴口部分的柔性,简单且经济的接合结构,其能够在外力作用时确保结构的安全性,并且可靠地防止断水性能的下降。 解决方案:沿着隧道5的端面6设置平板切割橡胶21.沿着切断橡胶21的垂直轴3的内侧的表面12,切断钢板17包括外侧 环17b和内侧环17a,并且具有用作边界处的变形感应部分的截止焊接部19。 截止钢板17和切断橡胶21使用头螺栓29固定在垂直轴3的口部,并使用头螺栓23固定在隧道5的端面6上。在头部螺栓23的头部30之间 头螺栓23和切断钢板17,设置有弹性垫圈27。 肋板33设置在切断钢板17的垂直轴3的内侧的表面14上。肋板33与外侧环17b的接触部分在整个长度上固定,并且接触 内侧环17a的一部分仅在预定部分固定。 版权所有(C)2012,JPO&INPIT
    • 18. 发明专利
    • Construction method for variable cross section of tunnel, and tunnel boring machine for use in it
    • 隧道可变交叉段施工方法及隧道掘进机
    • JP2007247211A
    • 2007-09-27
    • JP2006070365
    • 2006-03-15
    • Kajima CorpKawasaki Heavy Ind LtdMitsubishi Heavy Industries Tunneling Machinery & Geotechnology Co Ltd三菱重工地中建機株式会社川崎重工業株式会社鹿島建設株式会社
    • AZUMA TAKASHISUGIYAMA MASAHIKOFURUI MICHIONAGAMORI KUNIHIROSHIRAI SHUNSUKEKAMIO MASAHIROTAKIMOTO KUNIHIKOIGARASHI HIROMASAUCHIDA HIROSHIGEIWATA HIROKICHISAKAI YOSHIO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To enable an easy change such as the width reduction of a part of a cross section of a tunnel.
      SOLUTION: This construction method comprises: a step of assembling a D-type bulkhead segment S3 in such a manner that the bulkhead segment S3 continues into an existing circular segment S1; a step of installing an impervious bulkhead ring 2, the inner periphery of which is equipped with a tail sealing device 8, in such a manner that the bulkhead ring 2 continues into the bulkhead segment S3; a step of assembling a D-type segment S2 in the impervious ring in such a manner that the D-type segment S2 continues into the existing bulkhead segment S3; a step of connecting the impervious bulkhead ring to a boring machine body; a step of sequentially assembling the D-type segment S2; a step of disconnecting the impervious bulkhead ring from the boring machine body, while connecting the impervious bulkhead ring to the final D-type segment 2 when the boring machine body reaches a final position where the width of the cross section of the tunnel is reduced; a step of assembling the circular segment S1 in such a manner that the circular segment S1 continues into the impervious bulkhead unit and the final D-type segment S2; and a step of connecting the circular segment S1 to the impervious bulkhead ring and the final D-type segment S2.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了实现容易的改变,例如隧道的横截面的一部分的宽度减小。 解决方案:该构造方法包括:以隔板段S3继续成为现有的圆形段S1的方式组装D型隔板段S3的步骤; 安装不透水隔板环2的步骤,其内周装备有尾密封装置8,使得隔板环2继续进入隔板段S3; 以D型分段S2连续进入现有的隔板段S3的方式将D型段S2组装在不透水环中的步骤; 将不透水隔板环连接到镗孔机体的步骤; 顺序组装D型段S2的步骤; 当镗床机体到达隧道横截面的宽度减小的最终位置时,将不透水舱壁与镗床主体断开的步骤,同时将不透水舱壁环连接到最终的D型段2; 以圆形段S1连续进入不透水舱壁单元和最终D型段S2的方式组装圆形段S1的步骤; 以及将圆形段S1连接到不透水舱壁环和最终D型段S2的步骤。 版权所有(C)2007,JPO&INPIT