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    • 1. 发明专利
    • Soil improvement method
    • 土壤改良方法
    • JP2013122128A
    • 2013-06-20
    • JP2011270497
    • 2011-12-09
    • Sato Kogyo Co Ltd佐藤工業株式会社Naoaki Suemasa直晃 末政
    • NAGAO KOICHIMAEDA YUKIOTSUJINO SHUICHISUEMASA NAOAKI
    • E02D3/10
    • PROBLEM TO BE SOLVED: To provide a method which improves earthquake resistance of subsoil by reinforcing a structure thereof in a manner that prevents microbubble from dissipating from an improvement object region when supplying the same with microbubble water and retains the microbubble in the improvement object region after supplying the same with the microbubble to maintain the improvement object region with a degree of saturation thereof reduced.SOLUTION: A soil improvement method reduces a degree of saturation of subsoil by supplying the same with microbubble water. The soil improvement method: forms a dissipation prevention region, which prevents microbubble in the microbubble water from dissipating, outside an improvement object region to be improved by supplying the same with the microbubble water; supplies the improvement object region with the microbubble water; and retains the microbubble in the improvement object region by preventing the microbubble from dissipating with the dissipation prevention region.
    • 要解决的问题:提供一种通过加强其结构,以防止微泡在将其与微泡水一起供应时从改善对象区域消散的方式来提高底土的抗震性的方法,并将微泡保持在改善中 对象区域在将其提供给微泡之后保持其饱和度降低的改善对象区域。 解决方案:土壤改良方法通过向微波炉供水而降低底土的饱和度。 土壤改良方法:形成消散防止区域,防止微泡水中的微泡在改善对象区域外消散,并通过将其与微泡水一起提供而改善; 用微泡水供应改进对象区域; 并且通过防止微泡与消散防止区域一起散发,将微泡保持在改善对象区域中。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Blasting compaction method
    • BLASTING COMPACTION方法
    • JP2007085069A
    • 2007-04-05
    • JP2005274901
    • 2005-09-22
    • Sato Kogyo Co LtdNaoaki Suemasa佐藤工業株式会社直晃 末政
    • SUEMASA NAOAKINAGAO KOICHIMAEDA YUKIOTSUJINO SHUICHI
    • E02D3/10
    • PROBLEM TO BE SOLVED: To provide a blasting compaction method in which ground constituting particles are compacted at higher density, and which prevents the generation of a ground loosening phenomenon in or around blast holes.
      SOLUTION: In this blasting compaction method, the many blast holes 4, 4 and 4 are formed at predetermined intervals in the ground, and explosives are inserted and installed in predetermined-depth positions of the blast holes 4, 4 and 4, and fired so that the ground can be compacted. Separately from the blast holes 4, many wells 1 for discharging pore water are provided in positions deep enough to reach a lower section of a soil improvement target layer G
      I , or positions deep enough to pass through the layer G
      I and reach a ground layer G
      P on the downside of the layer G
      I , and a forced water discharge means 3 which restricts a water suction section 2a is installed near the lower section of the well 1. In explosion, water is discharged by the means 3. Thus, in the layer G
      I , the pore water is discharged while being guided downward, and increased pore water pressure is dissipated.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种爆破压实方法,其中将粉碎的构成颗粒以更高的密度压实,并且防止在孔中或周围产生地面松动现象。 解决方案:在这种喷砂压实方法中,在地面上以预定间隔形成许多喷孔4,4和4,并将爆炸物插入并安装在喷孔4,4和4的预定深度位置, 并开火,使地面可以压实。 与喷孔4分开地,用于排出孔隙水的许多孔1设置在足够深的位置以到达土壤改良目标层G 的下部,或者足够深的位置以穿过层 G< SB> I< / SB>并且达到层G 的下侧的地层G P ,以及限制水的强制排水装置3 吸入部分2a安装在井1的下部附近。在爆炸中,水被装置3排出。因此,在层G I 中,孔隙水被向下引导时排出, 并增加孔隙水压力消散。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • 液状化判定方法
    • 液化测定方法
    • JP2015021355A
    • 2015-02-02
    • JP2013152475
    • 2013-07-23
    • 日東精工株式会社Nitto Seiko Co Ltd直晃 末政Naoaki Suemasa直晃 末政基礎地盤コンサルタンツ株式会社Kiso Jiban Consultants Kkジャパンホームシールド株式会社Japan Home Shield Kk
    • SUEMASA NAOAKITANAKA TSUYOSHIYANAGIURA YOSHIYUKICHIBA HISASHIYAMATO SHINICHISUGANO YASUOTAI HIDEMICHI
    • E02D1/02G01N3/40
    • G01N33/24G01N11/14
    • 【課題】回転貫入試験による測定値から動的せん断強度比を推定し、FL法により液状化の危険度を判定する方法の提供。【解決手段】動的せん断強度比Rと地震時せん断応力比Lの比に基づいて液状化を判定する方法において、動的せん断強度比Rの算出方法として、スクリューポイント4bを有する貫入ロッド4に負荷する荷重Wを段階的に変化させながら貫入ロッド4を回転貫入する貫入試験により、回転トルクT、貫入量Stを測定しこれら測定値に基づいて、土の硬軟を示す指標Cpと、エネルギδEと、回転トルクTの増加量に対する荷重Wの増加量の比率δT/δWDと、回転トルクTの増加量に対する貫入量Stの増加量の比率δT/δStを試験パラメータとして定義してこれら試験パラメータのうち少なくとも一つを説明変数とし、目的変数を前記動的せん断強度比Rとして重回帰分析を実行することにより求めた回帰式により動的せん断強度比Rを推定して求める。【選択図】図1
    • 要解决的问题:提供一种通过FL方法确定液化风险的方法,通过旋转渗透测试从测量值估计动态剪切强度比。解决方案:该方法用于基于 动态剪切强度比R和地震时剪切应力比L的比值。作为动态剪切强度比R的计算方法,在逐渐改变施加到具有螺钉点4b的穿透杆4上的载荷W时,旋转扭矩 T和穿透量St通过穿透试验来测量,该渗透试验可旋转地穿透穿透杆4,并且将表示地面硬度,能量δE,负载W的增加量的比率δT/δWD的指数Cp增加到增加量 以及穿透量St的增加量与旋转转矩T的增加量的比率δT/δSt作为测试参数被定义为基于 e测量值,并且在这些测试参数中,将至少一个设置为解释变量,并将对象变量设置为动态剪切强度比R,并且通过确定的回归方程来估计和确定动态剪切强度比R 通过执行多元回归分析。
    • 8. 发明专利
    • Penetration testing method
    • 渗透测试方法
    • JP2007321385A
    • 2007-12-13
    • JP2006151001
    • 2006-05-31
    • Japan Inspection OrganizationNitto Seiko Co LtdNaoaki Suemasa日東精工株式会社直晃 末政株式会社日本住宅保証検査機構
    • SUEMASA NAOAKISEKIGUCHI KAZUTOMIADACHI YUKIO
    • E02D1/02G01N3/40
    • PROBLEM TO BE SOLVED: To provide a penetration testing method for making a soil texture determination based on the relationship between a load applied to a screw point and a rotational load torque.
      SOLUTION: The penetration testing method is carried out by applying a load to a penetration rod 4 having the screw point 4b at the tip thereof, penetrating the penetration rod into the ground while being kept rotated, detecting a rotational load torque which the screw point 4b receives from the respective types of soil textures at the time of penetration, and determining the soil texture of the ground, based on the rotational load torque. According to the method, a plurality of different loads are applied to the penetration rod 4 at every predetermined depth, and rotational load torque values corresponding to the respective loads are acquired. Further the relationship between each load and each rotational load torque value is calculated, and then compared with a determination reference obtained for each type of the soil texture beforehand, to thereby determine the soil texture.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种基于施加到螺纹点的负载与旋转负载转矩之间的关系来进行土壤质地确定的穿透测试方法。 解决方案:穿透测试方法是通过将负载施加到具有在其尖端处的螺钉点4b的穿透杆4,同时在保持旋转的同时将穿透杆穿入地面,检测旋转负载扭矩, 螺杆点4b在穿透时从各种类型的土壤纹理接收,并且基于旋转负载扭矩确定地面的土壤质地。 根据该方法,在每个预定深度处对穿透杆4施加多个不同的载荷,并且获取与各个载荷对应的旋转载荷扭矩值。 此外,计算每个负载与每个转动负载扭矩值之间的关系,然后与预先为每种类型的土壤纹理获得的确定参考值进行比较,从而确定土壤质地。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Soil improvement method
    • 土壤改良方法
    • JP2014114686A
    • 2014-06-26
    • JP2013041837
    • 2013-03-04
    • Kyokado Engineering Co Ltd強化土株式会社強化土エンジニヤリング株式会社Naoaki Suemasa直晃 末政
    • SHIMADA SHUNSUKEKOYAMA TADAOSASAKI TAKAMITSUICHIKAWA TOMOJISUEMASA NAOAKINAGAO KOICHI
    • E02D3/12E02D1/02E02D3/10E02D27/34
    • PROBLEM TO BE SOLVED: To provide a soil improvement method in which soil improvement by injection of a bubble-containing liquid is achieved economically and easily by comprehending an unsaturation state of the soil in real time.SOLUTION: Soil is made unsaturated by injecting a microbubble-containing liquid into a predetermined region of the soil where liquefaction is predicted so as to prevent the liquefaction. An injection pipe and a suction pipe and/or a drain pipe 28 are installed in the predetermined region of the soil where the liquefaction is predicted, and water is sucked from the suction pipe 28 during injection of the microbubble-containing liquid from the injection pipe 22 to guide a direction of penetration of the injection liquid or to balance the injection of the injection liquid and the suction from the suction pipe 28 in the soil, or underground water is discharged for prevention against a rise in gap water pressure during the injection of the microbubble-containing liquid to replace the microbubble-containing liquid. An amount of gas mixed in sucked or drained water is measured to confirm the penetration state of the microbubble-containing liquid.
    • 要解决的问题:提供一种土壤改良方法,通过实时了解土壤的不饱和状态,经济地和轻易地实现注入含气泡液体的土壤改良。解决方案:通过注入微泡使土壤变得不饱和 的液体进入预测液化的土壤的预定区域,以防止液化。 注入管和吸入管和/或排水管28安装在预测液化的土壤的预定区域中,并且在从注入管注入含微泡的液体时从吸入管28吸入水 22,以引导注射液的穿透方向或平衡注入液体的注入和来自吸入管28在土壤中的吸力,或地下水被排出以防止在注射期间间隙水压的上升 含微泡的液体来代替含微泡的液体。 测量在吸入或排出的水中混合的气体量,以确认含微泡液体的渗透状态。
    • 10. 发明专利
    • Soil improvement method
    • 土壤改良方法
    • JP2014136895A
    • 2014-07-28
    • JP2013005583
    • 2013-01-16
    • Kyokado Engineering Co Ltd強化土株式会社強化土エンジニヤリング株式会社Naoaki Suemasa直晃 末政
    • SHIMADA SHUNSUKEKOYAMA TADAOSASAKI TAKAMITSUSUEMASA NAOAKINAGAO KOICHI
    • E02D3/12
    • PROBLEM TO BE SOLVED: To provide a soil improvement method capable of preventing a building, which is constructed on the ground, and an underground installation such as a lifeline from being damaged by liquefaction, while allowing the liquefaction to a certain degree.SOLUTION: An injection liquid, which contains fine particles as a chief material, is injected into the ground expected to be subjected to liquefaction, and a fine-grained fraction including a particle diameter smaller than 5 μm is increased in the ground so that liquefaction countermeasures can be taken. An injection liquid, which contains the fine particles or the fine particles and a silica solution as active ingredients, is injected into the ground, and the fine-grained fraction or the fine-grained fraction and a silica fraction is or are increased in the ground so that the liquefaction countermeasures can be taken. The fine particles contain clay, colloidal particles of silica, silica fumes, calcium carbonate, white carbon, black carbon or a mixture of them as active ingredients. Base clay is bentonite.
    • 要解决的问题:提供一种能够防止在地面上建造的建筑物和诸如救生绳的地下装置被损坏的土壤改良方法,同时允许液化到一定程度。解决方案: 将含有细颗粒作为主要材料的注射液注入预期液化的地下,并且在地面中增加包括小于5μm的粒径的细粒级分,从而可以采取液化对策 。 将含有细颗粒或细颗粒和作为活性成分的二氧化硅溶液的注射液注入研磨机中,细碎部分或细粒部分和二氧化硅部分在地面上增加或增加 从而可以采取液化对策。 细颗粒含有粘土,二氧化硅胶体颗粒,硅灰,碳酸钙,白碳,黑碳或它们的混合物作为活性成分。 底泥是膨润土。