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11. 发明专利

JPH08291691A SHIELDING MACHINE AND METHOD FOR RECONSTRUCTING TUNNEL 失效
公开(公告)号：JPH08291691A
公开(公告)日：1996-11-05
申请号：JP11929495
申请日：1995-04-20
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , ASAGAMI YUJI , TAKAMATSU NOBUYUKI
IPC分类号： E21D9/06 , E21D9/08 , E21D9/087
摘要： PURPOSE: To enable an economical construction work without any need for an excavation or earth removal facility, while a tunnel is in use. CONSTITUTION: A shielding machine 10 is advanced along an existing tunnel 20, while a natural ground around the tunnel 20 is being broken by ejecting high pressure water from a blade port 12 of the machine 10 fitted onto the tunnel 20. The existing tunnel 20 is demolished and removed in a front part of the machine 10, while a new tunnel is constructed in a tail part of the machine 10.

12. 发明专利

JP2992913B2 失效
公开(公告)号：JP2992913B2
公开(公告)日：1999-12-20
申请号：JP11955092
申请日：1992-04-14
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , SHIBUSAWA SHIGEHIKO
IPC分类号： E02D5/18 , E02D5/04 , E02D5/80 , E02D17/04

13. 发明专利

JPH09256327A METHOD FOR EARTHQUAKE-PROOF REINFORCEMENT FOR EXISTING RC STRUCTURE AND STEEL MATERIAL THEREFOR 失效
公开(公告)号：JPH09256327A
公开(公告)日：1997-09-30
申请号：JP6350696
申请日：1996-03-19
申请人： SANKYU KK , TOKYU KENSETSU KK , SHO BOND CONST , NIPPON STEEL CORP
发明人： MIKI HAJIME , MIKI AKIO , KANZAWA IKUYUKI , NAKAYAMA HIROSHI , SAKAI KUNITO , NAITO SEIICHI , KAWABATA NORIYUKI
IPC分类号： E01D21/00 , E01D19/02 , E01D22/00 , E04C3/44 , E04G23/02
摘要： PROBLEM TO BE SOLVED: To make reinforcment work for an existing RC structure easy and to shorten term of works. SOLUTION: Connecting members 2 and 3 are welded respectively to both of side edges of a steel plate 4, and thereby an earthquake-proof reinforcement steel construction material 1 is made up. Four pieces of the steel construction materials 1 are wound round an existing RC structure K, being joined with one another with each of the connecting members 2 and 3, and after fixation is made with fixing bolts 9 and reverse-screwed bolts 10 an opening (g) is filled with a liquid hardening material 23 such as nonshrink mortar, and hardening is made afterward. Thereby tenacity and yield strength are improved for the steel construction material 1 and the existing RC structure K is reinforced therewith. As the steel construction materials 1 are manufactured efficiently at a factory and joined together at a construction site only by connecting the connecting members 2 and 3 without welding the construction materials together, term of works can be shortened.

14. 发明专利

JP2589990B2 失效
公开(公告)号：JP2589990B2
公开(公告)日：1997-03-12
申请号：JP26526987
申请日：1987-10-22
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO
IPC分类号： G01C5/04 , E21D9/06 , G01C7/06

15. 发明专利

JPH06322749A JOINT SEAL OF STEEL ELEMENT FOR CONTINUOUS UNDERGROUND WALL 失效
公开(公告)号：JPH06322749A
公开(公告)日：1994-11-22
申请号：JP13509393
申请日：1993-05-14
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , SHIBUSAWA SHIGEHIKO
IPC分类号： E02D5/20
摘要： PURPOSE:To prevent concrete or the like from sticking to joints, by providing a groove containing the joints of steel elements and a contact face formed to correspond with the shape of an interlocking pipe, in a belt. CONSTITUTION:A joint 41 of a steel element 40 is contained in a containing groove 32 of a joint seal 30 and the seal 30 is attached along the joint 41. Next, after the element 40 has been equipped in the state that the seal is fitted thereto, the interlocking pipe 20 is installed within an excavated groove 50 so as to contact the contact face 327 of the seal 30. Next, concrete is placed in the element 40 and cured, and then the pipe 20 is pulled out and the seal is removed. The groove 50 is excavated and the element 40 is arranged in the groove 50 and further, the joint 42 without attached seal 30 is connected to the joint of the element 40 in the excavated groove 50. Moreover, after the pipe 20 has been erected, the same process is repeated to construct a continuous underground wall.

16. 发明专利

JPH06136754A REMOVAL WORK METHOD FOR UPPER SECTION OF UNDERGROUND CONTINUOUS WALL 失效
公开(公告)号：JPH06136754A
公开(公告)日：1994-05-17
申请号：JP30972892
申请日：1992-10-26
申请人： NIPPON STEEL CORP , HAZAMA GUMI , OHBAYASHI CORP , TOKYU KENSETSU KK , OKUMURA CORP , SHIMIZU CONSTRUCTION CO LTD
发明人： KUGA TAKASHI , TAZAKI KAZUYUKI , TATSUTA MASATAKE , FURUBE HIROSHI , HIRAI MASAYA , SUZUKI TAKUMI , HIRAO JUNICHI , MAIDA TOSHIROU , SAKAI KUNITO , SHIBUSAWA SHIGEHIKO , SAKA SHIRO , MIZUTANI YOSHIYUKI , WATANABE TOSHIO
IPC分类号： E02D5/20 , E02D5/04 , E02D13/00 , E02D13/02
摘要： PURPOSE:To enable removal works for the upper section of an underground continuous wall to be quickly and easily carried out at low cost. CONSTITUTION:A steel bottom plate 2 is fixed onto the lower end section of an upper member 1 composed of steel sheet piles or pipes, and the upper section of a connecting member 3 composed of H shape steel is fixed onto the lower section of the steel bottom plate 2, and the lower section of the connecting member 3 is connected to the upper section of steel sheet piles 5 for an underground continuous wall, which is provided with parallel flanges 4, so that the underground continuous wall 6 is thereby formed. A cutting machine is inserted in the inside of the upper member 1 from above to cut off the lower side section of the upper member 1, subsequently, the upper side section of the upper member 1 is pulled out so as to be removed.

17. 发明专利

JPH06128947A CONSTRUCTION METHOD FOR STEEL-MADE UNDERGROUND CONTINUOUS WALL 失效
公开(公告)号：JPH06128947A
公开(公告)日：1994-05-10
申请号：JP30314492
申请日：1992-10-16
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , SHIBUSAWA SHIGEHIKO
IPC分类号： E02D5/04
摘要： PURPOSE:To make it possible to construct an underground wall which is thinner and deeper than a wall body by installing out a box-shaped sheet pile support member which supports a natural ground at a position except for a box pile sheet joint, and what is more, laying out the joint at the position which allows the bending moment of the natural ground to be positive. CONSTITUTION:A box sheet pile B forms a joint 1 on both ends of two outside steel plates 2 in parallel by way of a partitioning plate 3. A ditch is excavated in the ground. A plurality of the box sheet piles B are placed into the ditch one by one while the joints 1 are engaged with each other so that concrete may be cast into the space enveloped with the outside steel plates 2 and the partitioning plate 3 or the whole excavated ditch. After the concrete is cured and the continuous underground wall is completed, one side of the wall is excavated so as to construct various kinds of structures. During the construction, the joints 1 of the box sheet piles are excluded from the support members and laid out so that the bending moment of the underground wall on the natural ground side may be positive.

18. 发明专利

JPH05311644A 失效
公开(公告)号：JPH05311644A
公开(公告)日：1993-11-22
申请号：JP14106192
申请日：1992-05-07
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , SHIBUSAWA SHIGEHIKO
IPC分类号： E02D5/18 , E02D5/03 , E02D31/02
摘要： PURPOSE:To prevent the cutoff of the underground water by providing a sheet pile fitted with a cap on a hole in an excavated groove with the cap side face faced to the construction side of an underground structure, filling mortar in the sheet pile, and removing the cap after construction. CONSTITUTION:Through holes 5 penetrating both faces of a sheet pile 1 are provided on both sides of ribs 2, a pipe 6 connecting the through holes 5 is arranged, and a cap is fitted to the opening section of the through hole 5 of the rib 2 on the construction side of an underground structure. Multiple sheet piles 1 are arranged in the excavated groove, and they are connected to each other to construct a continuous wall. Mortar is filled between the excavated groove and the sheet piles 1 and in the sheet piles 1 to fix the sheet piles 1 to the ground. The ground between the continuous wall is excavated, the sheet piles 1 are fixed with beams, then a structure is constructed. The cap is removed, and the excavated ground is back-filled.

19. 发明专利

JPH04323497A CLEARANCE MEASURING DEVICE FOR SHIELD MACHINE 失效
公开(公告)号：JPH04323497A
公开(公告)日：1992-11-12
申请号：JP11791291
申请日：1991-04-23
申请人： TOKYU KENSETSU KK , TOUYOKO ERUMESU KK
发明人： SAKAI KUNITO
IPC分类号： E21D9/06 , G01B5/14
摘要： PURPOSE:To perform precise measurement by arranging contact arms projectingly provided in the radial direction on the extreme end of a rotation transmitting shaft on a segment assembling part, and providing an indicating part to take out rotation angle of the rotating shaft and indicate as the value of clearance. CONSTITUTION:A segment B is assembled inside a shield drilling and advancing machine A in which clearance measuring devices are arranged at least on over three positions. At the same time when contact plates 21 on the extreme ends of respective contact arms 2 of the measuring device are pushed and removed from the original positions, a rotation transmitting shaft 1 is rotated, and the rotation angle is indicated on an indication board.

20. 发明专利

JPH0489901A VIBRATION DAMPING RUBBER PAD FOR RAIL AND ITS MOUNTING METHOD 失效
公开(公告)号：JPH0489901A
公开(公告)日：1992-03-24
申请号：JP20122990
申请日：1990-07-31
申请人： TOKYU KENSETSU KK
发明人： SAKAI KUNITO , SHIBUSAWA SHIGEHIKO , MASUDA ISAO , SUZUKI NOBORU
IPC分类号： E01B9/68 , F16F15/08
摘要： PURPOSE:To restrain rail from expanding and effectively disperse or absorb vibration and impact by providing striped protrusions on the side of a plate-like rubber pad body with their height mutually different and their width variable. CONSTITUTION:Striped protrusions 4b'..., 4b'', 4b'' are formed in a row on one side or in a symmetric positions of both sides of a plate-like rubber pad body 4a with their height mutually different and their width variable. This vibration rubber pad 4 for a rail is interposed between a rail 1 and a track slab 3 in such a state that the highest striped protrusions 4b'... are compressed to the height of the second highest striped protrusions 4b'', 4b''.

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