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    • 2. 发明专利
    • SHEARING YIELD TYPE STEEL DAMPER
    • JPH11324399A
    • 1999-11-26
    • JP13708598
    • 1998-05-19
    • SHIMIZU CONSTRUCTION CO LTD
    • HORIE TATSUMIMASE SHINJITERADA TAKEHIKOYABE KIDO
    • E04B1/98E04H9/02
    • PROBLEM TO BE SOLVED: To improve the executability by preventing a corner part of a connection part from a shearing yield part to a mounting part from becoming a right-angled shape when the shearing yield part is joined on a support member in the mounting part. SOLUTION: A corner part 10 of a connection part 9 in which a steel damper 6 moves from a shearing yield part 7 to a mounting part 8 is not right-angled, but is like round shape to prevent weakening due to the concentration of stress at the time of machining and prevent cutting of the corner part 10 only due to the concentration of stress in the corner part 10 when earthquake occurs. Next, the damper 6 is joined on a support member by a high strength bolt through a bolt hole 12 while pressing the mounting part 8 by a pressing plate or the mounting part 8 and the connection part 9 are welded on the support member by fillet welding. Then, when a ratio of width to height of the yield part 7 is large, a rib led to the mounting part 8 is attached to both sides of the yield part 7 by fillet welding to prevent bending deformation which is independent of deformation between layers. Consequently, the deformation between layers due to horizontal force of earthquake can be securely transmitted to the shearing yield part and this steel damper can be manufactured inexpensively because its structure is simple and can be easily mounted because its weight is light.
    • 4. 发明专利
    • STEEL BEAM
    • JPH10169089A
    • 1998-06-23
    • JP33426596
    • 1996-12-13
    • SHIMIZU CONSTRUCTION CO LTD
    • HORIE TATSUMISATO TAKANORITERADA TAKEHIKOKANEMITSU TOMOMIHANZAWA TETSUYA
    • E04C3/02E04B1/24E04B1/58E04C5/00E04G23/02
    • PROBLEM TO BE SOLVED: To improve an aseismatic function by laying a deformation constraint member between upper and lower flanges at the end of a steel beam, so as to constrain the deformation of the steel beam, and forming the upper and lower sides of the member out of curved surface gradually parting from the flanges in a direction toward the center of the steel beam. SOLUTION: A deformation constraint member 5 for constraining the deformation of a beam 3 is provided at the joint of a post 2 and a beam 3 forming a skeleton 1, so as to be positioned in space enclosed with the upper and lower flanges 3a. and the web 3b of the beam 3. Also, one plane of the deformation constraint member 5 made of concrete is used as a fixing plane 5a for contact with the side of the post 2, and two planes at both sides of the member 5 are used as constraint planes 5b faced to the flanges 3a of the beam 3. Then, the constraint member 5 is formed to have curved surface A gradually parting from the flanges 3a toward the center of the beam 3, and laid on the beam 3 at both sides via the post 2. Thereafter, the constraint member 5 is jointed to the post 2 with a steel rod 7 and a nut 8. As a result, energy resulting from an earthquake, strong wind or the like can be efficiently absorbed, thereby substantially improving an aseismatic function.
    • 7. 发明专利
    • CRACK PREVENTIVE METHOD IN STORAGE FACILITY IN BEDROCK
    • JPH10114955A
    • 1998-05-06
    • JP27252496
    • 1996-10-15
    • SHIMIZU CONSTRUCTION CO LTD
    • TERADA TAKEHIKOKINOSHITA NAOTOSATO TAKANORIHATTA TOSHIYUKIKUMASAKA HIROO
    • E02D31/00E21D11/38
    • PROBLEM TO BE SOLVED: To prevent the generation of a crack in a storage vessel even when the partial crack is generated in a bedrock in the periphery of a flexible- structure vessel body, and to obviate the leakage of a stored high-pressure gas by installing an insulating material between a stress transmitting layer built into a cavity formed into the bedock and the flexible-structure vessel body. SOLUTION: A stress transmitting layer 3 and an insulating material 4 are interposed and arranged to a bedrock wall surface 16 in a cavity excavated to a bedrock 1 and supported and reinforced by lock bolts 14, and a flexible- structure vessel body 2 is constructed, thus constituting a high-pressure gas storage facility. A deformable flexible material is used as the insulating material 4. Accordingly, since the concentration of stress progressing by the insulating material 4 is relaxed even when a partial crack generated in the peripheral bedrock 1 involves even the stress transmitting layer 3 unified with the bedrock 1 and the crack advances to sprayed concrete 5 constituting the stress transmitting layer 3 and a wall body 6, the concentration of the strain of the wall body 6 is also relaxed, and rupture by the crack of the flexible-structure vessel body 2 is prevented.
    • 9. 发明专利
    • EXECUTION METHOD FOR STORAGE FACILITY IN ROCK MASS AND AIRTIGHT MATERIAL
    • JP2001163420A
    • 2001-06-19
    • JP35189499
    • 1999-12-10
    • SHIMIZU CONSTRUCTION CO LTD
    • TERADA TAKEHIKONOBUTO JUNISHIZUKA YOSHIO
    • B65D90/02B65G5/00
    • PROBLEM TO BE SOLVED: To provide an execution method for storage facilities in a rock mass and an airtight material for reducing the cost of the whole storage facilities by preventing strain concentration in welding an anchor material to the airtight material and reducing the cost of the quality and the thickness of the airtight material. SOLUTION: The storage facilities 1 of this invention are so constituted that the airtight material 3 with an anchor material 8 is arranged in a cavity of the rock mass 2, backfilling concrete 5 is placed between the airtight material 3 and the rock mass 2, and the board thickness of the airtight material 3 is increased into a protrusion state with a joint with the anchor material set to the center so that the airtight material 3 is prevented from the strain concentration in welding the anchor material 8 thereto. An anchor board 7 provided with the anchor material 8 in one side and increasing its thickness into a protrusion state in the board thickness direction is manufactured separately with its form matched with the form of the board joint intersection of the aright material and the anchor board 7 is integrally welded in executing the airtight material so that the efficiency of the execution is enhanced.