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    • 21. 发明专利
    • Reinforcing structure of ring joint surface of segment
    • 环形接头表面的增强结构
    • JP2008169611A
    • 2008-07-24
    • JP2007003543
    • 2007-01-11
    • Geostr CorpKajima Corpジオスター株式会社鹿島建設株式会社
    • SUZUKI YOSHINOBUARAI TAKAHIROSUDA NOBUHIROFUJINO YUTAKASAKUMA YASUSHIYOKOI NOBUAKIONOE SATOSHI
    • E21D11/08
    • PROBLEM TO BE SOLVED: To provide a reinforcing structure of a ring joint surface of a segment capable of preventing occurrence of crack and chipping due to jack thrust and increasing height of a segment beam slightly when deciding height of the segment beam by jack thrust.
      SOLUTION: This reinforcing structure 1 is constituted by forming a clearance 5 between a pressure receiving face 2b other than a steel plate 4 for reinforcement and a jack 3 for excavation due to the contact of the jack 3 for excavation with the steel plate 4 for reinforcement installed on the pressure receiving face 2b with which the jack 3 for excavation of a shield tunnel on the ring joint surface 2a of the segment 2 comes into contact while the steel plate 4 for reinforcement protrudes from the joint surface 2a. Consequently, it is possible to prevent occurrence of crack and chipping of the segment 2 and prevent leakage of water by the steel plate 4 for reinforcement. When height of the segment beam is decided by thrust of the jack 3 for excavation, the height can be reduced.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种节段的环形接合面的加强结构,其能够在通过千斤顶来确定段梁的高度时,稍微地防止由于千斤顶推力而产生裂纹和碎裂,并且增加段梁的高度 推力。 解决方案:该加强结构1通过在加强用钢板4以外的受压面2b和由挖掘用千斤顶3与钢板接触而进行挖掘的千斤顶3之间形成间隙5 4,用于在接合面2b上突出加强件的压力接收面2b,用于在段2的环形接合表面2a上开挖盾构通道的起重器3与该接合面2b接触,同时加强钢板4从接合面2a突出。 因此,可以防止片段2的裂纹和碎裂的发生,并且防止钢板4用于加强的水的泄漏。 当通过用于挖掘的千斤顶3的推力决定分段梁的高度时,可以降低高度。 版权所有(C)2008,JPO&INPIT
    • 22. 发明专利
    • Segment for tunnel
    • 隧道分段
    • JP2007327174A
    • 2007-12-20
    • JP2006156862
    • 2006-06-06
    • Kajima CorpMeiden Ceramics Corp明電セラミックス株式会社鹿島建設株式会社
    • SUZUKI YOSHINOBUFURUICHI KOSUKEOGITA KIYOBUMIIIDA KENNAGATSU NOBUAKI
    • E21D11/08E21D11/04E21D11/38
    • PROBLEM TO BE SOLVED: To enhance the durability of a segment for a tunnel by effectively suppressing a rapid increase in the temperature of a grouting hole constituting member, a material for constituting a portion to be held, and a concrete layer which is positioned around them.
      SOLUTION: This segment 1 for the tunnel is equipped with a lid member 13 for closing a portion (a member 11 to be held) which is opened on the side of the inner surface of the segment. The lid member 13 is formed of an inorganic material with fireproof/heat-resistant characteristics, and a heat absorbing material composed of an inorganic material is infilled into the backside of the lid member 13. The opened portion functions as at least a grout injection port or a portion to be held.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了通过有效地抑制灌浆孔构成构件的温度的快速增加,用于构成待保持的部分的材料和混凝土层来提高隧道的段的耐久性,该混凝土层是 位于他们周围。 解决方案:用于隧道的该段1装备有用于封闭在段的内表面侧开口的部分(待保持的构件11)的盖构件13。 盖构件13由具有耐火/耐热特性的无机材料形成,并且由无机材料构成的吸热材料填充到盖构件13的背面。开口部至少起着浆料注入口的作用 或要保留的部分。 版权所有(C)2008,JPO&INPIT
    • 23. 发明专利
    • Tunnel segment and tunnel structure
    • 隧道段和隧道结构
    • JP2007177547A
    • 2007-07-12
    • JP2005378403
    • 2005-12-28
    • Kajima CorpMeiden Ceramics Corp明電セラミックス株式会社鹿島建設株式会社
    • SUZUKI YOSHINOBUFURUICHI KOSUKEHAYAKAWA YASUYUKIOGITA KIYOBUMIIIDA KENNAGATSU NOBUAKI
    • E21D11/00E21D11/04E21D11/38
    • PROBLEM TO BE SOLVED: To provide a tunnel segment and a tunnel structure which prevent the outflow of grout, and have a grout injection hole improving fire resistance, heat resistant property, and corrosion resistant property. SOLUTION: The tunnel segment 1 has the grout injection hole 101 penetrating a concrete layer 10, where at least a grout injection inlet (ceramic member 2) of the grout injection hole 101 is made of a ceramic. The tunnel structure is constructed by assembling a plurality of tunnel segments 1a each having the grout injection hole 101 penetrating the concrete layer 10, where at least the grout injection inlet (ceramic member 2) of the grout injection hole 101 is made of a ceramic. When the tunnel segment 1 is used for the tunnel structure, the grout injection hole 101 is sealed with a sealing member (sealing plug 3). COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种防止灌浆流出的隧道段和隧道结构,并且具有提高耐火性,耐热性和耐腐蚀性的注浆孔。 解决方案:隧道段1具有穿透混凝土层10的灌浆注入孔101,其中灌浆注入孔101的至少一个注浆入口(陶瓷构件2)由陶瓷制成。 隧道结构通过组装多个具有渗透注入孔101的混凝土层10的隧道段1a构成,其中至少灌浆注入孔101的注浆入口(陶瓷构件2)由陶瓷制成。 当隧道段1用于隧道结构时,灌浆注入孔101用密封构件(密封塞3)密封。 版权所有(C)2007,JPO&INPIT
    • 24. 发明专利
    • Segment joining structure
    • 分段接合结构
    • JP2007132164A
    • 2007-05-31
    • JP2005328738
    • 2005-11-14
    • Geostr CorpKajima Corpジオスター株式会社鹿島建設株式会社
    • NAKAGAWA MASAYOSHISUZUKI YOSHINOBUTAMADA KOICHIARAI TAKAHIROFUJINO YUTAKASAKUMA YASUSHIYOKOI NOBUAKIONOE SATOSHI
    • E21D11/08E21D11/04
    • PROBLEM TO BE SOLVED: To provide a segment joining structure of high work efficiency while forming a joining protrusion part of a male-type joint into simple structure.
      SOLUTION: This joining structure 1 is structured to project a joining recessed part 3 of a female-type joint 4 originally with high structural rigidity from a joint face 2a of a segment 2 and to retract the joining protrusion part 6 of the male-type joint 7 from the joint face 2a. The joining structure 1 forms the joining protrusion part 6 of the male-type joint 7 into simple structure by putting a spacer 9 of an elastic body between a case part 8 and a supporting ring part 10 forming the double pipe structure of the joining recessed part 3 of the female-type joint 4, and absorbing "looseness" in construction only on the female-type joint 4 side.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供高效率的分段接合结构,同时将阳型接头的接合突出部分形成为简单的结构。 解决方案:该接合结构1被构造成从部件2的接合面2a突出具有高结构刚度的阴型接头4的接合凹部3,并使接合突起部6缩回 型接头7。 接合结构1通过将弹性体的间隔件9放置在壳体部分8和形成接合凹部的双重管结构的支撑环部分10之间而将阳型接头7的接合突起部6形成为简单的结构 3的女性接头4,并且仅在女性接头4侧上吸收“松动”。 版权所有(C)2007,JPO&INPIT
    • 26. 发明专利
    • Method and device for detecting thermally deteriorated area of concrete structure
    • 用于检测混凝土结构的热定性区域的方法和装置
    • JP2012188926A
    • 2012-10-04
    • JP2012136361
    • 2012-06-15
    • Kajima Corp鹿島建設株式会社
    • FURUICHI KOSUKEARAI TAKAHIROSUZUKI YOSHINOBU
    • E04G23/02G01N33/38
    • PROBLEM TO BE SOLVED: To provide a method and device for detecting a thermally deteriorated area of a concrete structure, which easily and accurately determine the thermally deteriorated area of a fire-damaged concrete structure.SOLUTION: A bottomed hollow cylindrical body 24 formed of ceramic having a thermal conductivity approximately equal to or lower than that of concrete is embedded through an opening in a surface 2 into a surface layer part 3 of a concrete structure 1 which is possible to be fire-damaged. The hollow part of the cylindrical body 24 is coated with a temperature sensitive composition 20 which irreversibly changes color at the deterioration temperature of concrete, in the depth direction, and the hollow part is covered in advance of a fire disaster. After the fire disaster, the depth to the part having the unchanged color of the temperature sensitive composition 20 is detected. Preferably, a ceramic fitting member 14 having a thermal conductivity approximately equal to or lower than that of concrete is fitted in the hollow part of the cylindrical body 24, and the external surface of the fitting member 14 as a substitute of or in addition to the hollow part of the cylindrical body 24 is coated with the temperature sensitive composition 20.
    • 要解决的问题:提供一种用于检测混凝土结构的热老化区域的方法和装置,其容易且准确地确定火灾混凝土结构的热老化区域。 解决方案:具有大致等于或低于混凝土的热导率的由陶瓷形成的有底的中空圆柱体24通过表面2中的开口嵌入混凝土结构1的表面层部分3中,这可能是 被火伤。 圆筒体24的中空部分涂覆有温度敏感性组合物20,其在深度方向上在混凝土的劣化温度下不可逆地改变颜色,并且中空部分在火灾之前被覆盖。 在火灾后,检测到具有温度敏感组合物20的颜色不变的部分的深度。 优选地,具有大致等于或低于混凝土的热导率的陶瓷配合构件14装配在圆柱形主体24的中空部分中,并且装配构件14的外表面作为或替代于 圆筒体24的中空部分涂覆有感温组合物20.版权所有(C)2013,JPO&INPIT
    • 27. 发明专利
    • Segment for tunnel
    • 隧道分段
    • JP2010229786A
    • 2010-10-14
    • JP2009081430
    • 2009-03-30
    • Kajima Corp鹿島建設株式会社
    • FURUICHI KOSUKEARAI TAKAHIROTAKIMOTO KUNIHIKOSUZUKI YOSHINOBU
    • E21D11/00E21D11/40
    • PROBLEM TO BE SOLVED: To provide a segment for a tunnel capable of preventing a cover member from being loosened or fallen off from a holding hole or a grout filling hole even if a large vibration acts on the segment. SOLUTION: A grout filling port 12 is provided to the tunnel inner surface side of the grout filling hole formed in the segment for a tunnel. After grout is filled, a cover member 20 is attached to the grout filling port 12. A female screw part 13 is formed at the grout filling port 12, and a male screw part 21 screwed into the female screw part 13 is provided to the cover member 20. Also, a resin layer 24 serving as a vibration absorbing member is formed on the threads 23 of the male screw part 21. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种能够防止盖构件从保持孔或灌浆填充孔松动或脱落的隧道的区段,即使在段上施加大的振动。 解决方案:将灌浆口12设置在形成在隧道段中的灌浆孔的隧道内表面侧。 灌浆后,将盖部件20安装在灌浆口12上。在灌浆口12形成阴螺纹部分13,螺纹连接到阴螺纹部分13的外螺纹部分21设置在盖 另外,在阳螺纹部21的螺纹23上形成有作为吸振部件的树脂层24.(C)2011,JPO&INPIT
    • 29. 发明专利
    • Structure for installing back split wall
    • 安装回分隔墙的结构
    • JP2007332656A
    • 2007-12-27
    • JP2006165588
    • 2006-06-15
    • Geostr CorpKajima Corpジオスター株式会社鹿島建設株式会社
    • ODAKA TAKESHISERIZAWA SHINICHIYOKOI NOBUAKISAKUMA YASUSHISUZUKI YOSHINOBU
    • E21D11/08E03F3/04
    • PROBLEM TO BE SOLVED: To provide a structure for installing a back split wall that reduces axial compression stresses and bending moments produced in the back split wall and makes the cross section of the back split wall smaller, thus permitting an economical design and efficient construction of the wall. SOLUTION: The back split wall 2 is installed in a tunnel 1. A plurality of steel connecting rods 6 are provided to protrude from a ceiling portion inside the tunnel 1. Grooved parts 5 are formed in succession along the axis of the tunnel 1 at the upper end of the back split wall 2. The steel connecting rods 6 are engaged in the grooved parts 5. An elastic sealant 8 is interposed between the ceiling portion of the tunnel 1 and the upper end of the wall 2. The lower end of the wall 2 is embedded in the concrete of an invert 9 placed at the bottom of the tunnel 1. A large-diameter portion 4 is formed at the upper end of the wall 2. Grout 7 is injected into the grooved parts 5. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于安装后分裂壁的结构,其减小后裂缝壁产生的轴向压缩应力和弯矩,并使后裂开壁的横截面更小,从而允许经济的设计和 有效的施工墙体。 解决方案:后裂开壁2安装在隧道1中。多个钢连接杆6设置成从隧道1内的顶部突出。槽部5沿着隧道的轴线连续形成 钢连接杆6与槽部5接合。弹性密封剂8插入在隧道1的顶部和壁2的上端之间。下部 壁2的端部嵌入放置在隧道1底部的反转体9的混凝土中。在壁2的上端形成有大直径部分4.灌浆7被注入到开槽部分5中。 版权所有(C)2008,JPO&INPIT