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11. 发明专利

JP2003129469A DEVICE AND METHOD FOR INJECTING FILLER 审中-公开
公开(公告)号：JP2003129469A
公开(公告)日：2003-05-08
申请号：JP2001328361
申请日：2001-10-25
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： AOKI TAKASHI , MANO HIDEYUKI
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for injecting a filler, which have good economy and working efficiency, and allow a bottom surface of a pile head stress reducing device to be solidly filled with the filler. SOLUTION: A form 7 of the filler injection device 6, which has a member height greater than the horizontal height of the pile head stress reducing device 1, is composed of a member which is freely bendable in spite of its self-standing, and mounted so as to be brought into contact with an outer peripheral surface of the device 1. An air vent hole 11, which is formed of a cut, is provided on the side of the inner peripheral surface of the form 7, and arranged near a back surface of an anchor bolt 3. A pipe inserting opening 10, into which a filler injection pipe 8 is inserted, is provided in a part of the form 7. The opening 10 is provided so that useless gaps can be prevented from being made among the pipe 8, the form 7 and the device 6. A tip of the pipe 8 is inserted into a void part from the opening 10, and inserted in the back of a central part of the void part. The void part is filled with the filler 5 via the pipe 8 by the pumping of a filler pumping means 9.

12. 发明专利

JP2002181951A METHOD FOR NON-DESTRUCTIVELY INSPECTING FOUNDATION PILE 失效
公开(公告)号：JP2002181951A
公开(公告)日：2002-06-26
申请号：JP2000379175
申请日：2000-12-13
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： MANO HIDEYUKI , NISHIO SHINYA
IPC分类号： E02D33/00 , G01M7/08 , G01N29/09 , G01V1/00 , G01N29/16
摘要： PROBLEM TO BE SOLVED: To grasp the conditions of existing foundation piles in a state where an existing structure exists. SOLUTION: The range of inspection is subdivided in a mesh shape in such a way as to maintain any given constant shape over a range in which the grasping of the location of a foundation pipe 5 is desired with a foundation slab main body 2 is present. Accelerometers 1 are arranged at the points of intersection in the set mesh, and a light hammer 10 is used to hit the foundation slab main body 2 close to the accelerometers 1. Frequency analysis is performed on waveforms detected by the accelerometers 1. In the case that some frequency components are conspicuously detected, it is determined that the foundation pile 5 is not present under the foundation slab main body 2. These operations are repeated on every mesh to determine the presence or absence of the foundation pile 5 within the range of inspection.

13. 发明专利

JP2002138494A STRUCTURE AND DEMOLITION AND CONSTRUCTION METHOD THEREOF 失效
公开(公告)号：JP2002138494A
公开(公告)日：2002-05-14
申请号：JP2000333763
申请日：2000-10-31
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： MANO HIDEYUKI
IPC分类号： E02D27/12 , E02D27/28 , E02D27/34 , E04G23/02 , E04G23/08
摘要： PROBLEM TO BE SOLVED: To reduce shear force and bending moment operating on a pile top easily without increasing costs drastically. SOLUTION: A short pile 15 with a shorter length dimension than a foundation pile 13 is provided downward while the pile 15 projects in parallel with a foundation pile 13 on a lower surface 14a of an upper structure 14, and moreover, the pile top 15a of the short pile 15 and the lower surface 14a of the upper structure 14 are subjected to rigid connection.

14. 发明专利

JP2001295294A CONNECTING STRUCTURE OF PILE AND HOOTING 失效
公开(公告)号：JP2001295294A
公开(公告)日：2001-10-26
申请号：JP2000109831
申请日：2000-04-11
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： AOKI TAKASHI , ISODA KAZUHIKO , OTSUKI AKIRA , MANO HIDEYUKI
IPC分类号： E02D5/30 , E02D27/12 , E02D27/34
摘要： PROBLEM TO BE SOLVED: To provide a connecting structure of a pile and a hooting surely installing a stress transmission device in a short period and thereby shortening the construction term. SOLUTION: A base plate 17 is fixed on an end face plate 16 placed on the top end of a pile 11, or a PHC pile in a stacked state, a stud bolt 18 is fixed to the top face of the base plate 17 in its projecting state, and the bottom of the stress transmission device 15 is fastened to the stud bolt 18.

15. 发明专利

JP2001295293A CONNECTING METHOD OF PILE OF PILE AND FOOTING AND ITS CONSTRUCTION METHOD 失效
公开(公告)号：JP2001295293A
公开(公告)日：2001-10-26
申请号：JP2000109830
申请日：2000-04-11
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： AOKI TAKASHI , ISODA KAZUHIKO , OTSUKI AKIRA , MANO HIDEYUKI
IPC分类号： E02D5/34 , E02D27/12 , E02D27/34
摘要： PROBLEM TO BE SOLVED: To provide a connecting method between a pile and a hooting highly accurately installing a stress transmission device in a short term at low cost. SOLUTION: A hole part 20 is formed in the pile head 11a of the pile 11, or a cast-in-place concrete pile, the hole part 20 inside is filled with resin material 21, the bottom end 22a of an anchor bolt 22 is fixed in the hole 20, and the bottom of the stress transmission device 19 is fixed to the top end 22b of the anchor bolt 22. Shrinkage-compensating mortar 35 fills between the bottom of the stress transmission device 19 and the pile head 11a.

16. 发明专利

JP2000266857A METHOD FOR MEASURING SHEAR WAVE VELOCITY IN GROUND DEPTHWISE DIRECTION 失效
公开(公告)号：JP2000266857A
公开(公告)日：2000-09-29
申请号：JP7544199
申请日：1999-03-19
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： NISHIO SHINYA , MANO HIDEYUKI , BABA KOKICHI
IPC分类号： E02D1/00 , G01V1/00 , G01V1/053
摘要： PROBLEM TO BE SOLVED: To obtain a shear wave velocity of a ground where a foundation ground is shallow or a seam is interposed. SOLUTION: A plurality of measurement point blocks 10 with piezoelectric vibrators 12R and 12S are buried via a predetermined distance along a depthwise direction of a ground 2 where velocity logging is conducted. A pair of opposite piezoelectric vibrators of the measurement point blocks 10 arranged adjacent to each other in the depthwise direction are made an oscillation part 12S and an oscillation reception part 12R. A shear wave oscillation generated from one piezoelectric vibrator 12S is propagated in the ground 2 between the measurement point blocks. A wave reach time in the ground after the oscillation is generated before the oscillation is detected by the piezoelectric vibrator of the opposite oscillation reception part 12R is measured. The reach time is measured sequentially between the measurement point blocks of a plurality of pairs. A shear wave velocity of each pair of the measurement time blocks 10 is calculated.

17. 发明专利

JPH11323993A DISASTER-SUFFERING PREVENTIVE STRUCTURE OF AND DISASTER-SUFFERING PREVENTIVE METHOD OF FOUNDATION STRUCTURE 失效
公开(公告)号：JPH11323993A
公开(公告)日：1999-11-26
申请号：JP12927498
申请日：1998-05-12
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： MANO HIDEYUKI
IPC分类号： E02D31/08
摘要： PROBLEM TO BE SOLVED: To provide a disaster-suffering preventive structure of and a disaster- suffering preventive method of a foundation structure excellent in cost and easily applicable to an existing structure. SOLUTION: A part of the ground G around pile footings 7 is improved, and foundation improving bodies 15 are formed so that the upper end parts 15a and the lower end parts 15b are respectively positioned in an upper nonliquefied layer 5 and a lower nonliquefied layer 3 and the central parts 15c are positioned in a liquefied layer 4. When an earthquake occurs, at least a part of horizontal force acting in the ground G is shared with the foundation improving bodies 15, and horizontal directional relative displacement between the upper/lower nonliquefied layers 5, 3 is regulated by the foundation improving bodies 15.

18. 发明专利

JPH10231525A PILE FOUNDATION STRUCTURE 失效
公开(公告)号：JPH10231525A
公开(公告)日：1998-09-02
申请号：JP30737097
申请日：1997-11-10
申请人： ELECTRIC POWER DEV CO , SHIMIZU CONSTRUCTION CO LTD
发明人： SAKURAI TAKAYOSHI , TORIYAMA SOICHI , WAKITA EIJI , ISHII KIYOSHI , FUJITA YUTAKA , YOSHIDA JUN , ONOE ATSUO , NAKANO KOJI , TAGASHIRA SHOZO , MANO HIDEYUKI
IPC分类号： E02D27/12
摘要： PROBLEM TO BE SOLVED: To reduce the number and specifications of foundation piles so as to obtain economical effect by providing a pile reaction device between an upper end part of the piercing foundation pile and a hole provided in a foundation bottom slab of a structure, and maintaining ground reaction and pile reaction always to specified allocation. SOLUTION: A pile reaction adjusting device 6 is provided between a head part of a foundation pile 4 and an inner peripheral wall upper part of a hole part 5 piercing a foundation bottom slab 2. In the pile reaction adjusting device 6, a plurality of metallic deformable members 7 of approximately J-shape cross section disposed along the circumferential direction of the foundation pile 4 are respectively fixed through anchor bolts 8 and bolts 9. When the ground 3 goes down due to ground subsidence so as to lower ground reaction acting upon the lower face of the foundation bottom slab 2 and to increase pile reaction of the foundation pile by that portion, the deformable members 7 are deformed against load of the specified value or more, and the foundation bottom slab 2 subsides following ground subsidence. The ground reaction of the foundation bottom slab 2 can therefore be set back to the original value so as to be able to realize foundation pile design based on resultant force of ground reaction and pile reaction.

19. 发明专利

JPH10219676A GROUND SIDEWAYS FLOW PREVENTIVE STRUCTURE 失效
公开(公告)号：JPH10219676A
公开(公告)日：1998-08-18
申请号：JP2813997
申请日：1997-02-12
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： MANO HIDEYUKI , OTSUKI AKIRA , MORI NOBUO
IPC分类号： E02D5/18
摘要： PROBLEM TO BE SOLVED: To prevent damage thereby even if a sideways flow is caused since the ground is liquefied by an earthquake or the like by constructing underground walls embedded in an unliquefied layer on a periphery of a structure such as a building and a bridge pier constructed on the weak ground. SOLUTION: A footing 2 of a structure 1 constructed on the ground G where an unliquefied layer G2 exists under a liquefied layer G1 of a surface layer part, is composed of piles 3 whose tip parts 3b are embedded in a hard support layer G3 under the unliquefied layer G2. The rectangular cross-sectional long sides of columnar underground walls 5 are arranged at a prescribed interval in the direction orthogonal to the structure 1 in positions separate by a prescribed distance from respective side surfaces of the structure 1, and are constructed by embedding lower end parts in the unliquefied layer G2. Therefore, the respective underground walls 5 have high rigidity to external force in the direction orthogonal to the side surfaces of the structure 1, and sharply reduce energy by a sideways flow, and can prevent the exertion of its influence on the footing 2 of the structure 1. When the underground walls 5 and 5 are integrally joined together by a continuous wall, rigidity can be improved further.

20. 发明专利

JPH05311647A 失效
公开(公告)号：JPH05311647A
公开(公告)日：1993-11-22
申请号：JP14489492
申请日：1992-05-11
申请人： SHIMIZU CONSTRUCTION CO LTD
发明人： MANO HIDEYUKI , TADA HIROYUKI
IPC分类号： E02D5/38 , E02D5/44
摘要： PURPOSE:To reinforce the reduction of the bearing capacity at the pile tip which is the weak point of a cast-in-place pile while utilizing the merit that it has little noise and vibration at the time of construction of the cast-in-place pile. CONSTITUTION:A concrete extruding device 5 is lowered to the hole bottom 6 of an excavated pile hole 1, ultra quick/hardening concrete 8 is filled, and the concrete extruding device 5 is operated to extrude the ultra quick/hardening concrete 8 in the normal line direction of the outer periphery of the pile hole 1 when the ultra quick/hardening concrete 8 is somewhat hardened. Reinforcing bars are erected in the pile hole 1, concrete 11 is placed, and a high-bearing capacity cast-in-place pile is constructed.

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