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    • 86. 发明专利
    • CONSTRUCTION METHOD OF ERECTING BRIDGE BEAM
    • JPH10168828A
    • 1998-06-23
    • JP35199996
    • 1996-12-11
    • TOKYU KENSETSU KKMEIWA INDUSTRIAL CO LTD
    • IDE SHINICHIMONOBE TATSUHIKOHAMAMOTO KAZUO
    • E01D2/00E01D21/00
    • PROBLEM TO BE SOLVED: To improve the safety of construction and shorten the term of works by erecting a following divided beam on the upper surface of a preceding divided beam in which a bridge beam erected between bridge piers is divided in the whole width direction, horizontally moving the preceding divided beam in the bottom position in the lateral direction of the beam in the state held in the present position, and then lowering the following divided beam onto the bridge piers. SOLUTION: A preceding divided beam 1 is placed on a truck, sent to the other side, and laid over while supported by a bridge pier 6. A following divided beam 2 is also placed on a truck, sent and set onto the upper surface of the set preceding divided beam 1. The following divided beam 2 is temporarily lifted by a crane, and the preceding divided beam 1 to which a slide truck 51 is inserted is moved to the side on the bridge pier 6. According to the horizontal movement of the preceding divided beam 1, a temporary support body 7 is successively inserted between the lower surface of the following divided beam 2 and the bridge leg 6 to form a substituent support member of the preceding divided beam 1, whereby safety can be more ensured. Since the lower preceding divided beam 1 is horizontally moved in the position close to the bridge pier 6, safety of construction is remarkably improved. The term of works can be shortened without receiving the limitation of construction period.
    • 87. 发明专利
    • DEVICE FOR FEEDING LUBRICANT IN PIPE JACKING METHOD
    • JPH10140978A
    • 1998-05-26
    • JP31017996
    • 1996-11-06
    • TOKYU KENSETSU KK
    • KUSHIBIKI TAKEOMITSUNAGA JUNICHIITO YOSHIKAZUSHIKAUCHI NOBUMITSUHIROI KEIJI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To surely feed lubricants by providing a guiding ring over the outer periphery of a push pipe in the circumferential direction thereof, providing a lubricant feed pipe along the outer periphery of the pipe from the ring to a starting shaft, and disposing a delivery port. SOLUTION: After driving a push pipe 5 forward by a predetermined distance, a junction ring 4, which comprises two rings of the tongue and groove joint type, is circumferentially rotatably mounted onto the outer periphery of the pipe 5, while a lubricant feed pipe 2 is disposed in groove or holes formed in the ring 4. And when push or rotation resistance is generated on the pipe 5, lubricant is fed to a spot where resistance is generated. Lubricant is forced into the pipe 2 by means of an inject device 25 to directly feed it to the outer periphery of the pipe 5. Thus frictional resistance between the periphery of the pipe 5 and the ground 10 can be reduced so that sufficient push force and rotational force required for a pipe jacking method can be obtained. As a result, lubricant can be fed over the periphery of the pipe 5 from the outside and feed efficiency of lubricant can be improved.