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11. 发明专利

JP2006299701A Method of constructing precast concrete wall body by using self-hardening stabilizing liquid 审中-公开
标题翻译：使用自制稳定液体构造预制混凝土墙体的方法
公开(公告)号：JP2006299701A
公开(公告)日：2006-11-02
申请号：JP2005125059
申请日：2005-04-22
申请人： Ohbayashi Corp , 株式会社大林組
发明人： INAZUMI AKIO , SUZUKI HIROSHI , MASUTANI TATSUYA
IPC分类号： E02D5/18 , C09K8/04
摘要： PROBLEM TO BE SOLVED: To solve various problems caused by increase in viscosity and specific gravity of a self-hardening stabilizing liquid, and to reuse the self-hardening stabilizing liquid which has overflowed due to erection of a precast concrete member.
SOLUTION: There is provided a method of constructing a precast concrete wall body by using the self-hardening stabilizing liquid. According to the method, the ground 2 is excavated while a hole wall is protected by using the self-hardening stabilizing liquid 1 to which a hardening retardant is added, to thereby form a trench-like excavated hole 3 in the ground. Then the precast concrete member 21 is lifted down into the excavated hole, and when the self-hardening stabilizing liquid 1 is hardened, the precast concrete wall body 4 is constructed in the ground 2. In the excavation step, a dispersing agent formed of a polyacrylate, a polymethacrylate, or a copolymer of them, and having a weight-average molecular weight Mw in the range of 10,000 to 14,000, is added to the self-hardening stabilizing liquid 1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了解决由自硬化稳定液体的粘度和比重的增加引起的各种问题，以及重新利用由于预制混凝土构件的竖立而溢出的自硬化稳定液体。解决方案：提供了一种通过使用自硬化稳定液体来构造预制混凝土墙体的方法。根据该方法，通过使用添加有硬化阻滞剂的自硬化稳定液1来保护孔壁，挖掘地面2，从而在地面上形成沟槽状的挖掘孔3。然后将预制混凝土构件21向下提升到挖掘孔中，并且当自硬化稳定液1硬化时，将预制混凝土墙体4构造在地面2中。在挖掘步骤中，由聚丙烯酸酯，聚甲基丙烯酸酯或它们的共聚物，其重均分子量Mw为10,000〜14000，加入到自硬化稳定液1中。（C）2007，JPO＆INPIT

12. 发明专利

JPH1121945A HORIZONTAL MULTI-SPINDLE ROTARY TYPE EXCAVATOR 失效
公开(公告)号：JPH1121945A
公开(公告)日：1999-01-26
申请号：JP19189397
申请日：1997-07-02
申请人： OHBAYASHI CORP
发明人： MATSUOKA HIDEYUKI , NAGASAWA ISAMU , AOKI KOZO , MASUTANI TATSUYA , TAKAHASHI ATSUSHI
IPC分类号： E02F5/02 , E02F5/08
摘要： PROBLEM TO BE SOLVED: To decrease the number of teeth-bits exchanged by installing a specified bit holder onto a mounting plate projected from the outer circumferential surface of a cutter drum and rotatably holding a conical bit around the axis of a member in the bit holder. SOLUTION: A pair of rotary cutters 12, 12 rotated in the mutually opposite directions are mounted at the lower end of a main-body frame 2 through T- frames 4, and bit holders 15 set up to mounting plates 14 projected from the outer circumferential surfaces of cutter drums 13 are constituted so that conical bits 16 can be held rotatably around the axis of a member. When the conical bits 16 are fitted to such bit holders 15, the cylindrical inserting legs 31 of the conical bits 16 are inserted and penetrated to the inserting holes 21 of the bit holders 15, and falling-preventive rings 34 are inserted into ring grooves 33 formed to the end-section circumferential surfaces of the inserting legs. Since the conical bits 16 are rotated freely around the axis of the member at the time of excavation, wear uniformly progresses slowly on the whole circumference in the vicinity of the front ends of bits, and uneven wear is prevented.

13. 发明专利

JPH09221752A METHOD AND EQUIPMENT FOR ERECTING STEEL MATERIAL FOR CONTINUOUS UNDERGROUND WALL BODY 失效
公开(公告)号：JPH09221752A
公开(公告)日：1997-08-26
申请号：JP3045796
申请日：1996-02-19
申请人： NIPPON STEEL CORP , OHBAYASHI CORP
发明人： ENOKIDA TADAHIRO , NOZU YOSHIMITSU , TAKAHASHI HITOSHI , HAYASHI NOBUHIKO , MASUTANI TATSUYA
IPC分类号： E02D7/16 , E02D7/14
摘要： PROBLEM TO BE SOLVED: To erect a steel material efficiently at a place under severe working conditions. SOLUTION: When a steel material is erected, a guide rail 12 is laid on a ground surface. The guide rail 12 has approximately the same length as length in the longitudinal direction of the steel material to be erected 10a, and is worked so that one end side is placed approximately just under a hook 20. When laying is completed, wheels are fitted to the rail 12a, and an erecting truck 14 is placed. The end section of the steel material 10a is inserted to a holding section 14c, and held and fixed by clamping by a bolt, and one end side of the steel material 10a is pulled up to an upper section by a crane 16. When one end side of the steel material 10a is drawn up by the crane 16, the erecting truck 14 is moved to the crane 16 side along the guide rail 12 with the draw-up while the holding section 14c is erected gradually. Since the steel material 10a is brought to an approximately vertical state when the holding section 14c is brought to an approximately upright state, the holding and fixing of the holding section 14c are released under the state.

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