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    • 2. 发明专利
    • Shield machine and method for freezing inside of chamber
    • 用于冷冻室内的屏蔽机和方法
    • JP2009046810A
    • 2009-03-05
    • JP2007211015
    • 2007-08-13
    • Kajima Corp鹿島建設株式会社
    • SASAKI YUKINOBUTSUCHIYA KENJIARAKI HITOSHITAKAHASHI KIMIKUNIMATSUEDA KOTARO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a shield machine which can properly eliminate a malfunction in a chamber by inhibiting the inflow of groundwater into an external cylinder section without performing soil improvement by chemical grouting, and a method for freezing the inside of the chamber of the shield machine.
      SOLUTION: A cutter head 11 and a partition plate 12 of the shield machine 1 are provided with a freezing pipe 20 for freezing sediment and slurry in the chamber 13. When an intake 12A fitted with a mud discharge pipe 16 is clogged by the mixing of foreign matter X such as a clod and a rock into the chamber 13, a freezing liquid is circulated and supplied through the freezing pipe 20, so as to freeze the slurry around the foreign matter X and form an ice valve B. In this state, the mud discharge pipe 16 is detached from the partition plate 12A so as to remove the foreign matter X.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种屏蔽机器,其可以通过抑制地下水进入外部气缸部分而不通过化学灌浆进行土壤改良来适当地消除室内的故障,以及一种用于将内部冷冻的方法 屏蔽机室。 解决方案:屏蔽机1的切割头11和隔板12设置有用于冷冻室13中的沉淀物和浆料的冷冻管20.当装有排泥管16的进气口12A被 将诸如泥土和岩石的异物X混合到室13中,冷冻液通过冷冻管20循环供应,以使浆料在异物X周围冷冻并形成冰阀B.在 在这种状态下,泥浆排出管16从分隔板12A上拆下以除去异物X.版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Tunnel junction structure and construction method for tunnel junction structure
    • 隧道结结构与隧道结构结构与施工方法
    • JP2009062682A
    • 2009-03-26
    • JP2007228908
    • 2007-09-04
    • Kajima Corp鹿島建設株式会社
    • SASAKI YUKINOBUOKUYAMA MASAYOSHIARAKI HITOSHISUYAMA YOSHIMASATAKAHASHI KIMIKUNITSURUTA KOICHIABE TAKASHI
    • E21D9/06E21D11/08
    • PROBLEM TO BE SOLVED: To provide an economical tunnel junction structure having sufficient strength to transmit stress smoothly when constructing the tunnel junction structure and to provide a construction method for the tunnel junction structure.
      SOLUTION: In this tunnel junction structure, a connection part 63 using an upper part beam 51 as a roof is provided between a main track shield 1 and a ramp shield 13, and curvature 53 of outer peripheral part of the upper part beam 51 is smaller than curvature 55 of inner peripheral part of the beam and is arch-shaped. In a joint part 9, concrete 5a is placed between a steel plate 3 and a segment 7, and a screw reinforcement 11 is buried into an end part to join with the upper part beam 51. The main track shield 1 and the ramp shield 13 are mutually joined by a tensile member 43.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种经济的隧道结结构,其具有足够的强度以在构造隧道结结构时平滑地传递应力,并提供隧道结结构的施工方法。 解决方案:在该隧道结结构中,在主轨道护罩1和斜坡屏蔽件13之间设置使用上部梁51作为屋顶的连接部分63,并且上部梁的外周部分的曲率53 51小于梁的内周部分的曲率55并且是拱形的。 在接头部分9中,将混凝土5a放置在钢板3和节段7之间,螺钉加强件11被埋入端部中以与上部梁51连接。主轨道护罩1和斜面屏蔽13 通过拉伸构件43相互连接。版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Construction method for shield machine receiving opening, and arrival method for shield machine
    • 屏蔽机接收打开的结构方法和屏蔽机的到位方法
    • JP2009174179A
    • 2009-08-06
    • JP2008013440
    • 2008-01-24
    • Kajima Corp鹿島建設株式会社
    • SASAKI YUKINOBUYARITA TETSUYANISHIJIMA TORUARAKI HITOSHISUYAMA YOSHIMASAMATSUEDA KOTAROIWASHITA NAOKINAKAZONO NAOSHIKANDA KENJI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a construction method for a shield machine receiving opening, which enables a tunnel to arrive outside a skeleton of an underground structure without reference to the size of the underground structure, and an arrival method for a shield machine.
      SOLUTION: Two pits 7 are excavated toward the vicinities of both lateral sides of a top section in a predetermined position 5 of construction of the shield machine receiving opening, from a widened section 11 of a main line tunnel. After the construction of a base-enlarged caisson type pile 17 from inside the pit 7, a section between the pits 7 is excavated for the construction of the upper section 29 of the shield machine receiving opening 27. Subsequently, a section between the base-enlarged caisson type piles 17, the lateral side of the base-enlarged caisson type pile 17, and a main body of the base-enlarged caisson type pile 17 are excavated for the construction of the central and lower sections 33 and 39 of the shield machine receiving opening 27. After that, the shield machine 45 penetrates the shield machine receiving opening 27; and a section between a frozen duct 43 for application to the receiving opening, which is arranged in the shield machine receiving opening 27, and a frozen duct 51 for application to the shield machine, which is arranged at the leading end of a hood section 59 of the shield machine 45, is frozen and cutoff water by means of both the frozen ducts 43 and 51.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种盾构机接收开口的施工方法,其能够使隧道在不参考地下结构的大小的情况下到达地下结构的骨架外部,并且可以使用盾构件的到达方法 机。 解决方案:从主线隧道的加宽部分11,在屏蔽机接收开口的结构的预定位置5中,朝向顶部两侧的两侧附近挖掘两个凹坑7。 在从坑7内部构造基底放大的沉箱式桩17之后,挖掘出凹坑7之间的部分,用于构造屏蔽机接收开口27的上部29。随后, 挖掘扩大的沉箱式桩17,底部扩大的沉箱式桩17的侧面和基底扩大的沉箱式桩17的主体,用于构造盾构机的中部和下部33和39 之后,屏蔽机45穿过屏蔽机接收开口27; 以及布置在屏蔽机接收开口27中的用于施加到接收开口的冷冻管道43和用于应用于屏蔽机器的冷冻管道51之间的部分,其布置在发动机罩部分59的前端 通过冷冻管道43和51两者冻结和切断水。(C)2009年,JPO&INPIT
    • 5. 发明专利
    • Shield tunnel widening method
    • 屏蔽隧道扩建方法
    • JP2009084910A
    • 2009-04-23
    • JP2007257477
    • 2007-10-01
    • Kajima Corp鹿島建設株式会社
    • SASAKI YUKINOBUMATSUEDA KOTAROARAKI HITOSHITAKAHASHI KIMIKUNI
    • E21D9/06E21D9/01E21D9/04
    • PROBLEM TO BE SOLVED: To provide a shield tunnel widening method which contributes to the construction of a divergent/confluent portion between a main shield tunnel and a ramp shield tunnel without carrying out cut-and-cover tunneling work from the ground immediately above the portion. SOLUTION: A child shield tunnel 7 is constructed in a direction from the ramp shield tunnel 5 to the main shield tunnel 3. Then soil improvement such as chemical injection is carried out from the main shield tunnel 3, the ram shield tunnel 5, and the child shield tunnel 7 in both upper and lower directions to construct soil improved bodies 11, and closed spaces 12 are formed to thereby achieve soil retaining and water sealing. Thereafter the closed spaces 12 are excavated, and the widening work of the main shield tunnel is carried out. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种有助于在主屏蔽隧道和斜坡屏蔽隧道之间构造发散/汇合部分的屏蔽隧道拓宽方法,而不是立即从地面进行切割和覆盖隧道工作 在部分之上。

      解决方案:儿童护盾隧道7沿着从斜坡屏蔽隧道5到主屏蔽隧道3的方向构造。然后,从主屏蔽隧道3,柱塞屏蔽隧道5 和儿童屏蔽隧道7,以构成土壤改良体11,形成封闭空间12,从而实现土壤保持和水封。 此后,挖出封闭空间12,进行主屏蔽隧道的加宽工作。 版权所有(C)2009,JPO&INPIT

    • 6. 发明专利
    • Tail seal washing method and device for shield machine
    • 尾部密封洗涤方法和屏蔽机器
    • JP2009074318A
    • 2009-04-09
    • JP2007246202
    • 2007-09-21
    • Kajima Corp鹿島建設株式会社
    • TAKAHASHI KIMIKUNISASAKI YUKINOBUMATSUEDA KOTAROOKUYAMA MASAYOSHIARAKI HITOSHIYOSHIDA TERUTSURUTA KOICHIOBAYASHI NOBUHIKO
    • E21D11/00
    • PROBLEM TO BE SOLVED: To provide a tail seal washing method and device for a shield machine, enabling to easily remove a backfill injection material residing on a tail seal.
      SOLUTION: On the tail seal 20 of the shield machine 1, a cooling device 36 is provided. When the backfill injection material U resides on the tail seal 20, cooling liquid is circulated and supplied into the cooling device 36 to freeze the backfill injection material. Then, hot water is circulated and supplied into the cooling device 36 to unfreeze the frozen backfill injection material U. The backfill injection material after unfrozen suffers structural disorder into a brittle condition. At this time, grease is injected from a grease injection hole SG to remove the backfill injection material U from the tail seal 20.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于盾构机的尾部密封清洗方法和装置,能够容易地去除位于尾部密封件上的回填注射材料。

      解决方案:在屏蔽机1的尾部密封件20上设置有冷却装置36。 当回填注射材料U位于尾部密封件20上时,冷却液体循环并供应到冷却装置36中以冷冻回填注射材料。 然后,将热水循环并供应到冷却装置36中以解冻冷冻的回填注入材料U.解冻后的回填注入材料在结构紊乱中变为脆性状态。 此时,从油脂注入孔SG注入润滑脂,以从尾部密封件20中除去回填注射材料U.版权所有(C)2009,JPO&INPIT