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    • 3. 发明专利
    • Natural ground consolidating construction method and water stopping construction method
    • 自然地基综合施工方法及停水施工方法
    • JP2006104795A
    • 2006-04-20
    • JP2004293751
    • 2004-10-06
    • Taisei CorpTokai Rubber Ind Ltd大成建設株式会社東海ゴム工業株式会社
    • TERADA KOTAROKAWAKITA SHINJIRYOKE KUNIYASUSHIMAYA SUSUMUMIZUNO NOBORUWAKIZAKA OSAMU
    • E02D3/12C09K17/02C09K17/08C09K17/14C09K17/48C09K103/00E21D9/04
    • PROBLEM TO BE SOLVED: To provide a natural ground consolidating construction method or a water stopping construction method which has excellent workability, a high degree of saturation, and excellent permeability into a sandy natural ground having low perviousness and into a rock bed having cracking properties or the like.
      SOLUTION: The natural ground consolidating construction method or the water stopping construction method is that a filling tube 28 is arranged at an oval hole dug and provided in the natural ground 29. Then (meta) acrylic acid base liquid medicine, which makes the following liquid (A) to (C) essential, is supplied to the filling tube 28, and infused into the natural ground. When the following liquids (A) to (C) stored in different non-ferrous tanks 1, 21, 22 respectively are pressure-supplied to the filling tube 28 separately by a non-ferrous filling machine 4, theliquid (A), liquid (B) and liquid (C) are mixed at a liquid (A):liquid (B):liquid (C)=1:0.9 to 1.5:0.9 to 1.5 mixing ratio upstream from the filling tube 28 on a basis of capacity. Then (A) is a (meta) acrylic acid monovalent or bivalent metal salt water solution, (B) is a water solution of aluminum water-soluble salt, and (C) is a bisulfite water solution.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种天然地面固结施工方法或一种防水施工方法,其具有优异的可加工性,高饱和度和对透水性低的沙质天然地面具有优异的渗透性,并且具有 开裂性等。 解决方案:天然地面固结施工方法或止水施工方法是将填充管28布置在挖出的椭圆形孔中,并设置在自然地面29.然后(甲基)丙烯酸基液药,使 以下液体(A)至(C)必需的,被供应到填充管28,并且输入到天然地面中。 储存在不同有色金属罐1,21,22中的以下液体(A)〜(C)分别由有色金属填充机4向液体(A),液体(A), B)和液体(C)在液体(A):液体(B):液体(C)= 1:0.9至1.5:0.9至1.5的混合比例基于容量与填充管28混合。 那么(A)是(甲基)丙烯酸一价或二价金属盐水溶液,(B)是铝水溶性盐的水溶液,(C)是亚硫酸氢盐水溶液。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • TUNNEL BORING MACHINE
    • JP2001288987A
    • 2001-10-19
    • JP2000105883
    • 2000-04-07
    • TAISEI CORP
    • SHIODA ETSURORYOKE KUNIYASUAOKI TOMOYUKISHIMAYA SUSUMU
    • E21D9/10E21D9/08E21D9/087
    • PROBLEM TO BE SOLVED: To provide a tunnel boring machine, by which a tunnel having various sectional shapes such as not only a circular shape but also a horseshoe shape, an elliptical shape, a rectangular shape or the like can be excavated freely so that wasteful excavation related to a region not supplied to the application of a tunnel after completion is not generated. SOLUTION: In the tunnel boring machine containing an excavation means 1 comprising cutter spokes 12 rotatably installed around a tunnel axis and crushing a ground related to a face, a revolving-torque imparting means imparting revolving torque required for crushing to the cutter spokes 12, a thrust imparting means imparting thrust required for crushing to the cutter spokes 12, a reaction obtaining means obtaining reaction required for pipe jacking from a pit wall and a discharging means discharging crushed articles to a rear by the cutter spokes 12, the cutter spokes 12 are expanded and contracted freely in response to the sectional shape of the tunnel.
    • 9. 发明专利
    • MEASURING METHOD FOR BEDROCK STRESS IN TUNNEL EXCAVATION
    • JPS62165134A
    • 1987-07-21
    • JP654086
    • 1986-01-17
    • TAISEI CORP
    • ISHII YASUORYOKE KUNIYASUINOUE TARO
    • G01L5/00
    • PURPOSE:To easily build a steel-made frame which is sectioned in a U shape at a necessary place in a tunnel section and to measure the stress of the bedrock directly and accurately by using the steel-made frame and fitting a flexible tube previously. CONSTITUTION:The flexible tube 4 equipped with a liquid injection port 2 and a pressure gauge connector 3 is put in the cavity part of the steel-made frame 1 which is sectioned in the U shape. Then the frame is built along an excavating surface 7 having its opening part opposite after a tunnel 6 is excavated in the ground 5. A pressure gauge 8 is fitted to the connector 3 of the tube 4 after the frame is built, and liquid such as water is pressurized and injected into the tube 4 from the injection port 2, so that the tube 4 pressed against the excavating surface 7. A cock provided to the injection port 2 is closed after the internal pressure of the tube 4 reaches specific pressure large enough for contacting with the excavating surface, and thus measure ment preparations are completed. Then, the expansion pressure of the bedrock that the tube 4 contacts is measured by the pressure gauge 8 through the intervention of variation in the hydraulic pressure in the tube 4. Thus, the stress of the bedrock is measured accurately.