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11. 发明专利

JPH06294135A UNDERGROUND BEAM CONSTRUCTION METHOD 失效
公开(公告)号：JPH06294135A
公开(公告)日：1994-10-21
申请号：JP8204293
申请日：1993-04-08
申请人： NIPPON KAISER KK , OHBAYASHI CORP
发明人： NAITO MASAYOSHI , SATO SHINICHIRO , HAISHI MITSURU , TAMURA ETSUNORI , WAKIZAKA TATSUYA , FURUYA NORIYUKI , KURITA KOHEI
IPC分类号： E02D27/00 , E02D27/08 , E04G17/14
摘要： PURPOSE:To eliminate the need for connection work which connects two precast concrete boards as a form and further reduce reinforcing bar arrangement work as well on a construction site in terms of underground beam construction method installed in a foundation area of a building. CONSTITUTION:Two precast concrete boards 15 are connected to each other with spacing holding reinforcing bars 13 in a shop, thus keeping a specified spacing. Vertical reinforcing bars 11A, which constitute a vertical portion of stirrup bars 11, are also buried. U type reinforcing bars 11B on permanent concrete already cast and the vertical reinforcing bars 11a constitute lap slices on a site. U-type reinforcing bars 11c which constitute the upper end of the stirrup bars 11 and upper main reinforcing bars 9 are framed preliminarily and they are covered from above so that the U type reinforcing bars 11C and the vertical reinforcing bars 11A constitute lap slices.

12. 发明专利

JPH06240689A BENDING PC FOUNDATION FORM AND CONSTRUCTION METHOD OF FOUNDATION MAKING USE THEREOF 失效
公开(公告)号：JPH06240689A
公开(公告)日：1994-08-30
申请号：JP3346493
申请日：1993-02-23
申请人： TAJIMA ROOFING CO , OHBAYASHI CORP
发明人： TAJIMA TSUNEO , TSUTSUI MASANORI , TAMURA ETSUNORI , NOMURA JUN , MATSUMURA RITSUO
IPC分类号： E02D27/01
摘要： PURPOSE:To simplify construction work including waterproof treatment of the foundation and reduce the construction period. CONSTITUTION:A bending PC foundation form 10 is equipped with a foundation form body of a bending PC slab and a finish sheet 16 having a waterproof sheet 14 stuck on a form surface of the foundation form body 12 and a waterproof function and is formed. The lower end of the waterproof sheet 14 is extended downward over a specific length from the lower end of the foundation form body 12. The lower ends of the waterproof sheet 14 and finish sheet 16 are kept in a state to fold them upward respectively. The bending PC foundation form 10 is installed on an installation surface, and mortar is placed in a connection section. After the mortar is solidified, arrangement is made to the inside of the foundation form body 12, and concrete is placed. In parallel with the placement of the concrete, a folding part 14b of the waterproof sheet 14 and a folding part 16a of the finish sheet 16 are successively lowered and are stuck on the installation surface.

13. 发明专利

JPH06146439A JOINING METHOD FOR PRECAST WALL 失效
公开(公告)号：JPH06146439A
公开(公告)日：1994-05-27
申请号：JP30567492
申请日：1992-11-16
申请人： OHBAYASHI CORP
发明人： KOYANAGI MITSUO , TAMURA ETSUNORI
IPC分类号： E04B1/04 , E04B1/16 , E04B1/38 , E04B1/61 , E04B2/56
摘要： PURPOSE:To perform in the lump joining together of mutual precast walls and joining to a precedingly placed concrete structure, and dispense with connecting work of respective reinforcement and provision of a formwork for succeeding concrete placing, so as to simplify the installing work of the precast walls. CONSTITUTION:A plurality of precast walls 1 are formed with side part grooves 3 along the vertical direction on the side end parts and the precast walls 1 are previously provided on a precedingly placed concrete structure 2, so as to upward projectingly provide big diameter reinforcement 4 from the place of the structure positioned with the side part grooves 3. The respective the side end parts of the precast walls 1 are confronted with each other, and the precast walls are provided on the precedingly placed concrete structure 2 in order, while surrounding the big diameter reinforcement 4 with the end parts. Thereafter, lap jointing reinforcement 5 are inserted into the side part grooves 3 and concrete is placed therein, and hence joining together of mutual side end parts of the precast wall 1 and joining of the precast walls 1 to the precedingly placed concrete structure 2 are performed in a batch.

14. 发明专利

JPH06116970A WATERPROOF STRUCTURE AND ITS CONSTRUCTION FOR WALL BODY BUILT WITH PC FORM 失效
公开(公告)号：JPH06116970A
公开(公告)日：1994-04-26
申请号：JP27207792
申请日：1992-10-09
申请人： OHBAYASHI CORP
发明人： AOYAMA MIKI , OGAWA HARUKA , TAMURA ETSUNORI , OKAMOTO HIDEO , NOMURA JUN
IPC分类号： E02D29/00 , E04B1/62 , E04B1/64
摘要： PURPOSE:To save man power to a great extent and to attain sufficient waterproofness by constructing wall bodies, employing PC forms. CONSTITUTION:A plurality of PC forms 10 are prepared. Then, an external wall surface is formed by connecting these PC forms 10 with one another, and concrete 14 is cast to the inside thereof. In connecting the forms 10 with one another, a drain pipe 18 is interposed in a connecting part 16 between each of the PC forms 10 on a position drawing near the inside, and the outside of the connecting part 16 between the PC forms is sealed up with sealing material 20. The drain pipe 18 is made up by wrapping the outer circumference of a porous pipe 22 with a filter lamina 24.

15. 发明专利

JPH0688342A CONSTRUCTING METHOD OF POST 失效
公开(公告)号：JPH0688342A
公开(公告)日：1994-03-29
申请号：JP23978392
申请日：1992-09-08
申请人： OHBAYASHI CORP
发明人： NOMURA JUN , TAMURA ETSUNORI , NISHIMURA KATSUHISA
IPC分类号： E02D27/00 , E02D27/12 , E02D29/045 , E21D13/00 , E02D29/04
摘要： PURPOSE:To carry out an RC post at the same time as pile construction, to shorten the term of works while diminishing the capacity of a used crane, to build and insert the post unforcibly even at the time of the large buoyancy of muddy water, to eliminate the need for a temporary steel frame and to reduce cost as compared with a conventional reverse driving technique in the construction of the post. CONSTITUTION:A hollow PC post 2 is inserted to the top section of the post 1 formed through the placing of cast-in-place concrete immediately after said concrete is placed, and the hollow PC post 2 is fixed together with the curing of concrete. The front end section 2a of the hollow PC post 2 is formed in a closed shape, and reinforcing bars 5 for mounting girders or steel frames are buried previously to the tie-in sections of the girders 3, 4, and the girders are installed through the reinforcing bars 5 for mounting the girders or the steel frames.

16. 发明专利

JPH0642171A BENDING TYPE SEMIPRECAST BEAM FORM 失效
公开(公告)号：JPH0642171A
公开(公告)日：1994-02-15
申请号：JP19964992
申请日：1992-07-27
申请人： OHBAYASHI CORP
发明人： TANIGUCHI HIDETAKE , TAMURA ETSUNORI
IPC分类号： B28B23/02 , C04B32/02 , E04B1/16 , E04G9/08 , E04G13/04
摘要： PURPOSE:To use a beam form as a part of a structural body while promoting its lightweightiness by thickening a bottom form alone, and enabling the burying of a part of beam main reinforcement and a partial stirrup in this thickened portion. CONSTITUTION:Two V-shaped notches 16, 16 are formed in space between a bottom form 12 and side forms 14, 14, and a net 18 continuing over the whole length of the bottom form 12 and the side forms 14, 14 is installed, forming 4 bending type precast beam form 10. Both these side forms 14, 14 are uprighted, forming each of them into a section U-shaped form, and an interval between these side forms 14 is locked tight via a separator 20. In succession, the bottom form 12 is formed into being thickened at the specified thickness (t), and respective lower ends of lower end main reinforcements 22a and a stirrup 24. are embedded in the bottom form 12.

17. 发明专利

JPH06239578A LIFTING CONVEYING DEVICE FOR LATTICE-FORM REINFORCING BAR 失效
公开(公告)号：JPH06239578A
公开(公告)日：1994-08-30
申请号：JP9675892
申请日：1992-04-16
申请人： OHBAYASHI CORP
发明人： TAMURA ETSUNORI , TANIGUCHI HIDETAKE , OKAMOTO HIDEO , MATSUMURA RITSUO
IPC分类号： B65G17/12 , B65G47/61 , B66C1/16 , B66C1/28
摘要： PURPOSE:To automatically and reliably lift lattice-form reinforcing bars, stacked through remote control, one by one to hold them in a laminated state and to automatically lift down the reinforcing bars, in order, from a lower part. CONSTITUTION:A horizontal frame 3 is suspended from the lower part of a crane 1 and suspension tools 5 are hung down from the four corners of the horizontal frame 3 through a vertical frame 4. A control box to perform drive control of the suspension tool 5 is arranged to the central part of the horizontal frame 3 and the control box is connected to a switch arranged at hand for remote control. Each suspension tool 5 comprises a pair of upper and lower sprocket gears 9 supported to the lower part of the vertical frame 4 by means of a bearing, a chain belt 10 suspended between the sprocket gears 9, claw parts 11 for locking aligned in a protrusion state at intervals of a proper distance on the outer periphery of the chain belt 10, and a motor for forward and reverse drive coupled to the upper gear 9.

18. 发明专利

JPH06200532A PC FOUNDATION FORM AND FOUNDATION CONSTRUCTION METHOD USING IT 失效
公开(公告)号：JPH06200532A
公开(公告)日：1994-07-19
申请号：JP133293
申请日：1993-01-07
申请人： OHBAYASHI CORP
发明人： TSUTSUI MASANORI , TAMURA ETSUNORI , NOMURA JUN , MATSUMURA RITSUO
IPC分类号： E02D27/01
摘要： PURPOSE:To simplify the construction work for foundation using PC foundation forms, and also shorten the work period. CONSTITUTION:The outer side of a foundation to be constructed is surrounded by PC boards 14. Also separators 16 for holding the opposed PC boards 14 at specified intervals are connected to the upper and lower ends of the PC boards 14. Engaging parts 18 for locking fixing metals 36 are formed inside the lower end of the PC boards 14. Multiple angle pieces 32 are provided on a floor surface 30 in which a foundation is constructed along the lower end form of the foundation, and level adjustment bolts 34 are positioned at the outer side of the angle pieces 32. Then the engaging parts 18 for PC foundation forms 10 are locked at the outside of the angle pieces 32, and the lower end of the PC boards 14 is located on the level adjustment bolts 34.

19. 发明专利

JPH0517965A WATERPROOF CONSTRUCTION METHOD FOR UNDERGROUND WALL STRUCTURE 失效
公开(公告)号：JPH0517965A
公开(公告)日：1993-01-26
申请号：JP19615791
申请日：1991-07-11
申请人： OHBAYASHI CORP
发明人： AOYAMA MIKI , HAYASHI YOSHIMASA , OGAWA HARUKA , TAMURA ETSUNORI
IPC分类号： E02D29/00 , E02D31/02 , E04B1/64
摘要： PURPOSE:To improve a water stopping property by compounding a water guide system between a PC board and a water permeable concrete layer while attaining substantial labor saving with no necessity for withdrawal of a form by building a PC placing form, integrally provided with the water permeable concrete layer in the reverse side, thereafter placing body concrete to construct an underground external wall, and using the PC placing form as an internal wall. CONSTITUTION:A water permeable concrete layer 20 is integrally formed in the reverse side of a PC board 18 to constitute a PC placing form 16. The PC placing form 16 is built in a position serving as an internal wall, and body concrete is placed to construct the PC placing form 16 as the internal wall and the body concrete as an underground external wall 22. A drain path 24, connected to a water collecting pit 12, is formed in a lower part of the water permeable concrete layer 20 interposed between the PC board 18 and the underground external wall 22.

20. 发明专利

JPH04365794A TOWER CRANE AND CLIMBING METHOD THEREOF 失效
公开(公告)号：JPH04365794A
公开(公告)日：1992-12-17
申请号：JP16740091
申请日：1991-06-13
申请人： OHBAYASHI CORP
发明人： TAMAKI SHOJI , KATO MINORU , TAMURA ETSUNORI
IPC分类号： B66C23/32
摘要： PURPOSE:To contrive remarkable simplification of constitution and to simplify setting up of a tower crane so as to attain shortening of a construction period while setting an effective work range of the tower crane sufficiently utilizable over its total area by utilizing partly a steelwork pillar of a building body serving as a mast of the tower crane. CONSTITUTION:A steelwork pillar 14 partly of a building 12 is constructed prior to the other steelwork pillars 14a. An external side of the first constructed steelwork pillar 14 is surrounded to mount a guide frame 16 serving as a mast 18. A crane main unit 20 is set up in a top part of the mast 18. A climbing device 22 is provided in a lower side of the crane main unit 20.

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