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    • 1. 发明专利
    • Tunneling method and earth retaining member used therefor
    • 隧道方法及其使用的地球保持构件
    • JP2009191507A
    • 2009-08-27
    • JP2008032605
    • 2008-02-14
    • Fujita CorpMaterras Oume Kogyo Kkマテラス青梅工業株式会社株式会社フジタ
    • ISOZAKI TOMOHITOFUJIMOTO NAOAKIKISHI KOICHIMIYAZAKI TOSHIAKITSURUTA TAKESHI
    • E21D9/06E21D5/04E21D11/08
    • PROBLEM TO BE SOLVED: To provide a tunneling method capable of starting or terminating an excavator inexpensively and safely in a short period. SOLUTION: An earth retaining member 16 enabling a cutting by the excavator 10 is used at the portion of a wall part where an arrival opening 14 is formed. A normal earth retaining member 18 disabling the cutting by the excavator 10 is used at the other portion of the wall part where an arrival shaft 12 is constructed. The earth retaining member 16 enabling the cutting by the excavator 10 is made of a polymer-impregnating concrete. The polymer-impregnating concrete earth retaining member 16 has a strength and rigidity capable of sufficiently withstanding a soil pressure, can be excavated by the excavator in a short period, and is manufacturable at low cost. A polymer-impregnating concrete earth retaining member 16 exhibits an arcuate plate shape, and its thickness is approximately 64 mm, its height is approximately 500 mm, its length is approximately 1570 mm, and its weight is 125 kg. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够在短时间内廉价且安全地启动或终止挖掘机的隧道掘进方法。 解决方案:在形成到达开口14的壁部分的部分使用能够由挖掘机10进行切割的接地保持构件16。 在构成到达轴12的壁部的另一部分,使用通过挖掘机10切断的通常的接地保持部件18。 能够进行挖掘机10的切割的接地保持部件16由聚合物浸渍混凝土构成。 聚合物浸渍混凝土土保持构件16具有能够充分承受土壤压力的强度和刚度,可以在较短时间内由挖掘机挖掘,并且可以低成本制造。 聚合物浸渍混凝土土体保持构件16呈弧形板状,其厚度约为64mm,高度约为500mm,长度约为1570mm,重量为125kg。 版权所有(C)2009,JPO&INPIT
    • 2. 发明专利
    • Entrance for starting shield machine
    • 启动屏蔽机的入门
    • JP2010116735A
    • 2010-05-27
    • JP2008291205
    • 2008-11-13
    • Fujita Corp株式会社フジタ
    • ISOZAKI TOMOHITOYOSHIZAKI TAKAHIKOYOMIYA MASAICHI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide an entrance for starting a shield machine wherein water cut-off members can be disposed with an interval in a shaft direction of a starting opening without deteriorating work efficiency in a vertical shaft at the start of the shield machine.
      SOLUTION: The outer water cut-off member 22 and an outer ring metal fitting 24 are removed, and a worker goes back and forth in a clearance between a cutter of the tip of the shield machine and the side surface 16A of a concrete wall 16 so as to carry out work such as the cut and removal of a steel sheet pile etc. constituting an earth retaining wall from the inside of the starting entrance 18. Furthermore, when the work is finished, split bodies of the outer ring metal fitting are attached to the side surface 16A of the concrete wall 16 via split bodies of an inner ring metal fitting, and then the individual split bodies of the water cut-off members are attached to the split bodies of the outer ring metal fitting.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供启动防护装置的入口,其中,在起始开口的轴向方向上可以间隔地设置切断部件,而不会在起动时开始时在垂直轴中降低工作效率 盾牌机。 解决方案:除去外部水切断构件22和外环金属配件24,并且工作人员在屏蔽机器的尖端的切割器与一个侧面16A之间的间隙中前后移动 混凝土墙16,从起始入口18的内侧进行构成地板挡土墙的钢板桩等的切断和移除等工作。此外,当工作结束时,外圈的分割体 通过内圈金属配件的分体将金属配件连接到混凝土壁16的侧面16A上,然后将各个分割体的分隔体安装在外圈金属配件的分割体上。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Pressure bearing member for use in constructing tunnel
    • 用于构造隧道的压力承载构件
    • JP2007262855A
    • 2007-10-11
    • JP2006092997
    • 2006-03-30
    • Fujita Corp株式会社フジタ
    • GENTOI KOZOWAKE TERUYUKIKISHI KOICHIKATAOKA KIYOSHIHARUTA TOSHIYAMISAWA MAKOTOASANUMA YASUKIISOZAKI TOMOHITOFUJIMOTO NAOAKIKITAYAMA KEIZO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a pressure bearing member which is advantageous to improve branch tunnel construction efficiency when a branch tunnel is constructed from a narrow master tunnel.
      SOLUTION: A reaction bearing member 52 has a profile insertable into a rear trunk 50 of a shield machine, and is formed of: front and rear substrates 54, 56 which exhibit an annular shape and face to each other; and a plurality of column members 58 arranged between the front and rear substrates 54, 56 at circumferential intervals in a manner extending longitudinally, for connecting between the front and rear substrates 54, 56. The reaction bearing member 52 is incorporated in the rear trunk 50, and exposed in the master tunnel 12 according to the advancement of the shield machine 19, to take up a space inside the master tunnel 12. When a plurality ones of the column members 58 and the rear substrate 56 are detached, an opening 60 is formed therein in a manner opening in a lateral direction and in an axial direction of the reaction bearing member 52, and materials and equipment are taken in the interior of the shield machine 19 while excavated soil is discharged via the opening 60.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种压力承载构件,当从狭窄的主隧道构造分支隧道时,有利于提高分支隧道施工效率。 解决方案:反作用轴承构件52具有可插入到屏蔽机的后行李箱50中的轮廓,并且由前后基板54,56形成,所述前后基板54,56呈环状并相互面对; 以及以纵向延伸的方式以周向间隔布置在前基板54和后基板56之间的多个列部件58,用于在前基板54和后基板56之间连接。反作用轴承部件52结合在后行李箱50中 ,并根据屏蔽机19的前进而在主通道12中露出,以占据主隧道12内的空间。当多个柱构件58和后基板56分离时,开口60为 在反作用轴承部件52的横向和轴向开口的方式形成,并且将材料和设备带入屏蔽机19的内部,同时挖掘的土壤经由开口60排出。 (C)2008,JPO&INPIT
    • 4. 发明专利
    • Tail clearance measuring apparatus
    • 尾部间隙测量装置
    • JP2010189914A
    • 2010-09-02
    • JP2009034800
    • 2009-02-18
    • Fujita Corp株式会社フジタ
    • ASANUMA YASUKIISOZAKI TOMOHITO
    • E21D9/06G01B11/02
    • PROBLEM TO BE SOLVED: To provide a tail clearance measuring apparatus capable of improving measurement efficiency and advantageous in reducing a burden on workmen. SOLUTION: The tail clearance measuring apparatus 30 includes a camera part 42; a detecting light projection part 44; and a computer 34. The detecting light projection part 44 projects linear detecting light Ls to a segment end face section Se. On the basis of image data of an inner circumferential surface section Ti of a tail part; a segment outer circumferential surface section So; a segment inner circumferential surface section Si; and the segment end face section Se imaged by the camera part 42, tail clearance Tc is derived. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够提高测量效率并有利于减轻工人负担的尾隙测量装置。 解决方案:尾间隙测量装置30包括相机部分42; 检测光投射部44; 检测光投影部44将线状检测光Ls投影到片段端面部Se。 基于尾部的内周面部Ti的图像数据, 段外周面部分So; 段内周面部分Si; 并且通过照相机部分42成像的片段端面部分Se,导出尾间隙Tc。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Entrance ring for use in constructing branch tunnel
    • 用于构造分支隧道的入口环
    • JP2007262853A
    • 2007-10-11
    • JP2006092972
    • 2006-03-30
    • Fujita Corp株式会社フジタ
    • GENTOI KOZOWAKE TERUYUKIKISHI KOICHIKATAOKA KIYOSHIHARUTA TOSHIYAMISAWA MAKOTOASANUMA YASUKIISOZAKI TOMOHITOFUJIMOTO NAOAKIKITAYAMA KEIZO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide an entrance ring which contributes to positive construction of a branch tunnel from a narrow main tunnel via which only a front trunk of a shield machine can be carried in, and is advantageous to improve branch tunnel construction efficiency.
      SOLUTION: The entrance ring 16 consists of a front section 30 and a rear section 32 both formed of a steel, and peripheral surfaces of the front and rear sections are arranged so as to extend along a single cylindrical surface. Right and left side surface portions 30B and notches 30C of the front section 30 are formed such that the entire areas of edges of the right and let side surface portions 30B abut on a cylindrical internal peripheral surface of a tunnel wall 14 of the master tunnel 12. The rear section 32 is formed such that a circumferential portion 32A thereof is detachable from the remaining portion 32B, and when the detachable circumferential portion 32A is detached, the remaining portion 32B has an opening 32C formed therein in a manner opening sideways. The entire internal surface of the rear section 32 has a water cutoff member 34 attached thereto, for elastically abutting on a trunk body of the shield machine to seal groundwater.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种入口环,其有助于从仅能够承载盾构机的前躯干的狭窄的主隧道中正向构造分支隧道,并且有利于改善分支隧道结构 效率。 解决方案:入口环16包括由钢构成的前部30和后部32,并且前后部分的周边表面被布置成沿着单个圆柱形表面延伸。 前侧部分30的左右侧表面部分30B和切口30C形成为使得右侧面和侧面部分30B的边缘的整个区域与主通道12的隧道壁14的圆柱形内周表面邻接 后部32形成为使其圆周部32A与剩余部32B分离,并且当可拆卸周边部32A被拆卸时,剩余部32B具有以侧面开口的方式形成在其中的开口32C。 后部32的整个内表面具有附接到其上的水切断构件34,用于弹性地抵接在盾构机的主体上以密封地下水。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Ultra-low frequency sound reduction method and ultra-low frequency sound reduction device
    • 超低频降噪方法和超低频降噪装置
    • JP2014153653A
    • 2014-08-25
    • JP2013025446
    • 2013-02-13
    • Fujita Corp株式会社フジタ
    • URUSHIDO YUKIOABE MASAYUKIOI TAKATSUGUSHIBUYA MITSUOMATSUO MUNEYOSHIKITAYAMA KEIZOISOZAKI TOMOHITOHIRANO TAKATSUGU
    • G10K11/178E21D9/13
    • PROBLEM TO BE SOLVED: To effectively reduce an influence of an ultra-low frequency sound of an ultra-low frequency generation source on an object 4.SOLUTION: An ultra-low frequency sound reduction device 10A comprises: a soundproof house 12; a microphone 14; a signal processing part 16; a controller 18; and a sound generation means 20. The microphone 14 is configured to detect information related to an ultra-low frequency sound S1 generated from an oscillation sieve device 22. A signal processing part 16 is configured to generate a signal of a phase reverse to that of the ultra-low frequency sound S1 generated from the oscillation sieve device 22 on the basis of the information detected by the microphone 14. The controller 18 is configured to allow the sound generation means 20 to generate an ultra-low frequency sound S2 of a phase reverse to that of the ultra-low frequency sound S1 which is large enough to offset the ultra-low frequency sound S1 generated from the oscillation sieve device 22 by driving the sound generation means 20 on the basis of the signal supplied from the signal processing part 16. The sound generation means 20 is configured to generate an ultra-low frequency sound of 20 Hz or less.
    • 要解决的问题:有效地减少超低频产生源的超低频声音对物体4的影响。解决方案:超低音降噪装置10A包括:隔音房12; 麦克风14; 信号处理部16; 控制器18; 声音产生装置20.麦克风14被配置为检测与振荡筛装置22产生的超低频声音S1有关的信息。信号处理部分16被配置为产生与 基于由麦克风14检测到的信息从振荡筛装置22产生的超低频声音S1。控制器18被配置为允许声音产生装置20产生相位的超低频声音S2 与通过基于从信号处理部分提供的信号驱动声音产生装置20而足够大以抵消从振荡筛装置22产生的超低频声音S1的超低频声音S1的相反 声音产生装置20被配置为产生20Hz以下的超低频声音。
    • 8. 发明专利
    • Circularity measuring device and circularity measuring method
    • 圆形测量装置和圆形测量方法
    • JP2014152588A
    • 2014-08-25
    • JP2013026183
    • 2013-02-14
    • Fujita Corp株式会社フジタ
    • ASANUMA YASUKIFUKADA TATSUYUKIISOZAKI TOMOHITOSATO TAKUMIHARUTA TOSHIYAKITAYAMA KEIZOKISHI KOICHIHIRANO TAKATSUGUFUJIMOTO NAOAKI
    • E21D11/40
    • PROBLEM TO BE SOLVED: To provide a circularity measuring device advantageous in improving measurement efficiency, and in reducing a burder of an operator.SOLUTION: An abutting surface 2602 of an upper side holding body 26 is allowed to abut on the upper end of an inner peripheral surface 2004 of a segment 20 by a circularity holding device 22, and an abutting surface 2802 of a lower side holding body 28 is allowed to abut on the lower end of the inner peripheral surface 2004 of the segment 20, and the inner peripheral surface 2004 of a plurality of segments 20 is held in a true circle shape. In this state, circularity α of the inner peripheral surface 2004 is calculated by using distances D1-D4 between the inner peripheral surface 2004 and the upper side holding body 26 or the lower side holding body 28 of the segment 20 detected by first-fourth distance sensors 34A-34D and a distance D5 between the upper side holding body 26 and the lower side holding body 28 detected by a fifth distance sensor 34E.
    • 要解决的问题:提供一种有利于提高测量效率和减少操作者的烧结的圆度测量装置。解决方案:允许上侧保持体26的邻接表面2602抵靠在内侧的上端 通过圆形保持装置22的节段20的周面表面2004和下侧保持体28的抵接表面2802被允许邻接在节段20的内周表面2004的下端,并且内周面 多个片段20的2004被保持为真圆形。 在这种状态下,通过使用由第四距离检测到的段20的内周表面2004和上侧保持体26或下侧保持体28之间的距离D1-D4来计算内周表面2004的圆度α 传感器34A-34D以及由第五距离传感器34E检测的上侧保持体26和下侧保持体28之间的距离D5。
    • 9. 发明专利
    • Shield tunneling method, and system for collecting data on segment mounting state
    • 屏蔽隧道方法和分段安装状态数据收集系统
    • JP2007327172A
    • 2007-12-20
    • JP2006156814
    • 2006-06-06
    • Fujita Corp株式会社フジタ
    • OBATA KATSUMIISOZAKI TOMOHITOKISHISHITA TAKAHIROKADOTA SHUNICHISATO TAKUMIKURIKI SAKIOWAKE TERUYUKI
    • E21D11/04
    • PROBLEM TO BE SOLVED: To provide a shield tunneling method which is advantageous when data on physical quantity associated with the state of the assembling of a segment are easily and inexpensively collected, and a system for collecting data on the state of the mounting of the segment.
      SOLUTION: An operator attaches a slave unit 66 and a sensor 60 to a location of the segment 2 to be measured, powers on the slave unit 66, and puts the slave unit 66 and a master unit 38 into the state of enabling communication between them via a radio line. An operator getting on an operating truck 1602 starts up prescribed measurement software which is installed in a personal computer 32 for measurement. Thus, the data on the physical quantity which are generated by each slave unit 66 are continuously or intermittently collected into the personal computer 32 via the radio line, the master unit 38 and a wired line.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种当容易且廉价地收集与段的组装状态相关联的物理量的数据时有利的屏蔽隧道方法,以及用于收集关于安装状态的数据的系统 的段。 解决方案:操作者将从属单元66和传感器60连接到要测量的段2的位置,对从单元66供电,并将从单元66和主单元38置于启用状态 他们之间通过无线电线路进行通信。 进入操作车辆1602的操作者启动安装在个人计算机32中用于测量的规定的测量软件。 因此,由从属单元66生成的物理量的数据经由无线线路,主单元38和有线线路连续或间歇地收集到个人计算机32中。 版权所有(C)2008,JPO&INPIT
    • 10. 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。