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1. 发明专利

JP2011184882A Construction method for seismically strengthening foundation, and force application device therefor 有权
标题翻译：地震加固基础施工方法及其施工装置
公开(公告)号：JP2011184882A
公开(公告)日：2011-09-22
申请号：JP2010048831
申请日：2010-03-05
申请人： Ando Corp , Chiyoda Geotech Co Ltd , Nishimatsu Constr Co Ltd , Toda Constr Co Ltd , 千代田工営株式会社 , 安藤建設株式会社 , 戸田建設株式会社 , 西松建設株式会社
发明人： NARITA NOBUHIDE , KANEKO OSAMU , TANAKA TORU , NEMOTO HISASHI , ARAI TOSHIAKI , KANAI SHIGEO
IPC分类号： E02D27/34 , E02D27/12 , E02D31/08 , E02D37/00 , E04G23/02
摘要： PROBLEM TO BE SOLVED: To solve the problem that an increase in cost and a decrease in design efficiency are caused by execution of sufficient strengthening work in a conventional construction method for seismically strengthening a foundation by using an additional pile.
SOLUTION: In this method for seismically strengthening the foundation, a force application device 4 for adding a horizontal force to the additional pile is provided between the foundation 1a of a structure and a head of the additional pile 3 which reduces a burden of the horizontal force on a pile constructed on the periphery of the structure so as to support the support.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了解决在通过使用附加堆地震强化地基的常规施工方法中执行足够的加强工作而导致成本增加和设计效率降低的问题。解决方案：在这种用于地基强化基础的方法中，在结构的基座1a和附加桩3的头部之间设置用于在附加桩上增加水平力的施力装置4，这减轻了附加桩的负担在构造在结构的周边上的桩上的水平力，以支撑支撑。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2011021344A Pile foundation improving body and method for constructing the same 有权
标题翻译：改善身体的基础及其构造方法
公开(公告)号：JP2011021344A
公开(公告)日：2011-02-03
申请号：JP2009165562
申请日：2009-07-14
申请人： Ando Corp , Gecoss Corp , Hazama Corp , Mitani Sekisan Co Ltd , Nishimatsu Constr Co Ltd , Seikotone Co Ltd , Toda Constr Co Ltd , Toyo Asano Foundation Co Ltd , ジェコス株式会社 , 三谷セキサン株式会社 , 安藤建設株式会社 , 成幸利根株式会社 , 戸田建設株式会社 , 株式会社トーヨーアサノ , 株式会社間組 , 西松建設株式会社
发明人： ISEMOTO NORIAKI , YASUI YOSHITOSHI , KANEKO OSAMU , SANO DAISAKU , NARITA NOBUHIDE , NEMOTO HISASHI , SAKIHAMA HIROSHI , AKITA JUNICHI , NISHIGUCHI MASAHITO , NAOE YASUO , MIYANAGA TORU , HAYASHI TAKAHIRO , ASAI YOICHI , FUJIKAWA KEIZO , TAKEUCHI YOSHIO , ARAI TOSHIAKI , YAMAZAKI TSUTOMU , YAEGASHI HIKARI , HORII HIROKANE , NISHI MASAAKI , KATO YOICHI , KITANI YOSHINOBU , YOKOYAMA MASAKI
IPC分类号： E02D3/12 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a pile foundation improving body which achieves a reduction in the cost of a conventional pile foundation improving body and the shortening of a construction period, and which increases the degree of freedom of installation of the improving body.
SOLUTION: A bearing pile, which has a leading end borne by a bearing layer below soft subsurface ground 5, is arranged; and the pile foundation improving body 3 is formed along a through-core of the bearing pile in the subsurface ground. The improving body 3 is individually provided for each bearing pile, and formed in such a manner as not to continue into the adjacent improving body 3, in the state of horizontally overhanging in a cross shape at a required depth from a head of the bearing pile 2.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种降低传统桩基改善体的成本和缩短施工周期的桩基改善体，并且增加了改善体的安装自由度。
解决方案：一个轴承桩，其前端由软地下地面5下方的轴承层承载; 并且桩基础改善体3沿着地下地基中的轴承桩的贯通芯形成。改进体3分别为每个轴承桩提供，并且在从轴承桩的头部以所需的深度以横向悬垂的状态，以不继续进入相邻的改进体3的方式形成 2.版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2007146538A Method of treating pile head of on-site-formed pile 有权
标题翻译：处理现场形成桩的方法
公开(公告)号：JP2007146538A
公开(公告)日：2007-06-14
申请号：JP2005343837
申请日：2005-11-29
申请人： Haseko Corp , High Frequency Heattreat Co Ltd , Kajima Corp , Matsui Construction Co Ltd , Nishimatsu Constr Co Ltd , Okumura Corp , Penta Ocean Constr Co Ltd , Sumitomo Mitsui Construction Co Ltd , Tobishima Corp , Toda Constr Co Ltd , 三井住友建設株式会社 , 五洋建設株式会社 , 戸田建設株式会社 , 松井建設株式会社 , 株式会社奥村組 , 株式会社長谷工コーポレーション , 西松建設株式会社 , 飛島建設株式会社 , 高周波熱錬株式会社 , 鹿島建設株式会社
发明人： SHIMIZU MIKIO , SAITO OSAMU , YOSHIMATSU TOSHIYUKI , FUNAKI HIDETAKA , HATA MASAFUMI , YAMAURA ICHIRO , KATO MASATOSHI , ISEMOTO NORIAKI , YASUI YOSHITOSHI , KANEKO OSAMU , HOTTA KIYOSHI , KAWAKAMI YOSHITO , TAKEUCHI YOSHIO , ARAI TOSHIAKI , SUGIURA ISAMU , IMANISHI GORYU , KAMOGAWA NAOMASA , ONISHI KAZUHIKO , KOBAYASHI HITOSHI , HORIKOSHI AKIHITO , NISHIMURA NORIYOSHI , AOYAMA TAKAYUKI , MOTOI MITSUO , MURATA YOSHIYUKI , OKANO TAKAYOSHI
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a method of treating a pile head of an on-site-formed pile by which the treatment of the pile head in accordance with a designed diameter of the on-site-formed pile can be easily carried out without causing a damage like a chip accompanied by the treatment of the pile head.
SOLUTION: A reinforcing cage 2 is placed in an excavated vertical hole 1. A pile-diameter-forming guide ring 3 is formed to have the same or substantially the same diameter as the designed diameter of the pile 6 which is to be formed, and is provided with a projecting cap-ring mounting guide 3a to mount a cap ring 7 on the outer periphery. The guide ring 3 is concentrically mounted on an upper end part of the reinforcing cage 2 at the same position or substantially the same position as that of a designed level of the pile 6. Concrete 4 is placed in the vertical hole 1 to the level higher than that of the guide ring 3. After the concrete 4 is cured, the concrete in a part higher than the mounting level of the guide ring 3 is removed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种处理现场成形桩的桩头的方法，根据现场形成的桩的设计直径可以容易地处理桩头进行而不引起像芯片一样的损伤，伴随着桩头的处理。解决方案：将加强保持架2放置在挖掘的垂直孔1中。形成直径成形的导向环3，其直径与要设计的桩6的设计直径相同或基本相同并且设置有突出的盖环安装引导件3a，以将盖环7安装在外周上。引导环3同心地安装在加固保持架2的上端部上，位于与桩6的设计水平相同的位置或基本相同的位置。混凝土4被放置在垂直孔1中以使其更高混凝土4固化后，将高于引导环3的安装高度的部分去除混凝土。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005016292A Combined footing of pile and diaphragm wall 审中-公开
标题翻译：组合墙壁和膜片的组合
公开(公告)号：JP2005016292A
公开(公告)日：2005-01-20
申请号：JP2004159086
申请日：2004-05-28
申请人： Nishimatsu Constr Co Ltd , Toda Constr Co Ltd , 戸田建設株式会社 , 西松建設株式会社
发明人： CHIBA OSAMU , ISEMOTO NORIAKI , NAGAREDA TAKASHI , YASUI YOSHITOSHI , KANEKO OSAMU , AZUMAGUCHI TAKESHI , ASEGA HIROSHI , TAKEUCHI YOSHIO , MIYAZAKI KEIICHI , HAGIWARA TOSHIYUKI , ARAI TOSHIAKI , IMAMURA SHINICHIRO
IPC分类号： E02D27/34 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide the combined footing of a pile and a diaphragm wall, by which the axial-force load of a building can be borne sufficiently in a soft ground, a response displacement in the case of an earthquake is decreased and a habitability is improved and upper skeletons are lessened by the diminution of an input to an upper structure or the classifications of the structures can be changed while the reduction of a pile section and a liquefaction countermeasure are carried out and it is possible that a total cost is reduced even by using the diaphragm wall and the terms of works are shortened.
SOLUTION: In the combined footing 14 of the piles and the diaphragm wall, the combined footing 14 has a plurality of the piles 16a and 16b installed up to a bearing ground 22 and the diaphragm wall 18 integrally mounted together with the piles 16a, 16b, surrounding the piles, and is built at a place, where a soft ground is deposited in 30 m or more. The diaphragm wall 18 is disposed along the outer periphery of the building 10 having an approximately square form in a plan view, and formed in a depth shallower than the ground 22. The piles 16a are disposed even at the places of an outermost periphery in the diaphragm wall 18, and the axial-force load of the building 10 is borne to the piles 16a. Only a horizontal load in the case of the earthquake is borne mainly by the diaphragm wall 18.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供堆叠和隔膜壁的组合基座，通过该墙壁，建筑物的轴向载荷可以充分地承受在软的地面上，在地震的情况下的响应位移是降低并且改善居住性，并且通过减少对上部结构的输入来减少上部骨骼，或者可以在执行桩部分的减少和液化对策的同时改变结构的分类，并且可能即使使用隔膜墙也能减少总成本，缩短了作品的使用期限。解决方案：在桩的组合基脚14和隔膜壁中，组合的基脚14具有安装到承载地面22的多个桩16a和16b以及与桩16a一体地安装的隔膜壁18 ，16b，围绕桩，并建在一个地方，一个软的地面沉积在30米或以上。隔膜壁18沿着平面图具有大致正方形形状的建筑物10的外周布置，并且形成在比地面22浅的深度中。桩16a甚至布置在最外周的位置隔膜壁18，建筑物10的轴向载荷承载于桩16a。地震情况下只有水平荷载主要由隔墙18承受。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2014177794A Step processing method for drilling hole 有权
标题翻译：用于钻孔的步骤处理方法
公开(公告)号：JP2014177794A
公开(公告)日：2014-09-25
申请号：JP2013051602
申请日：2013-03-14
申请人： Toda Constr Co Ltd , 戸田建設株式会社 , Kumagai Gumi Co Ltd , 株式会社熊谷組 , Japan Pile Corp , ジャパンパイル株式会社 , Taiyo Kiso Kk , 大洋基礎株式会社 , Daiho Constr Co Ltd , 大豊建設株式会社 , Tokyu Construction Co Ltd , 東急建設株式会社 , Toyo Techno Corp , 東洋テクノ株式会社 , Nishimatsu Constr Co Ltd , 西松建設株式会社 , Sumitomo Mitsui Construction Co Ltd , 三井住友建設株式会社
发明人： SANO DAISAKU , TAGUCHI TOMOYA , MORI TAKESHI , OGAWA ATSUSHI , IIDA TSUTOMU , HATTORI KEISHO , FUJIKI HIDENORI , KAWANISHI YUKI , KOBAYASHI KOJI , ENOMOTO TAKESHI , YAJIMA JUNJI , NAKAZAWA FUTA , MIYAMOTO KAZUYUKI , YAMADA MASAKI , ARAI TOSHIAKI , TAKAHASHI KOJI , MATSUKI KAZUHIKO , MIYATA KATSUTOSHI
IPC分类号： E02D15/06 , E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a step processing method for drilling hole that can solve a problem in which a conventional step processing method for drilling hole requires a bucket for drilling dedicated to a diameter expansion part and is thereby high in manufacture cost and construction cost and long in construction period.SOLUTION: A step processing device 1 for drilling hole is constituted which comprises: a rod suspended from a kelly-bar; a bucket for drilling provided at a lower end part of the rod; an expansion blade which is provided on the rod, and swings to be made compact within a diameter range of the bucket for drilling when stored, and projects and swings from the diameter range of the bucket for drilling when expanded to obliquely drill a step part of a hole wall through rotation of the kelly-bar; and a swing driving device provided on the rod so as to make the expansion blade swing. In a step processing device for drilling hole, the step processing device for drilling device 1 drills a step part formed in a drilling hole in a tapered shape with the enlargement blade 5.
摘要翻译：要解决的问题：为了提供一种能够解决现有的钻孔的步骤加工方法需要专用于直径扩张部的钻头的铲斗的钻孔的阶梯加工方法，从而制造成本和施工成本高并且施工期长。构造：用于钻孔的阶梯处理装置1，其包括：从凯利杆悬挂的杆; 用于钻杆的铲斗，设置在杆的下端部分; 设置在杆上的膨胀叶片，并且在储存时在铲斗的直径范围内变得紧凑的摆动，并且当膨胀的铲斗的直径范围从膨胀的铲斗的直径范围突出并摆动以斜向钻出步骤部分一个孔壁通过旋转的凯利杆; 以及设置在杆上以使膨胀叶片摆动的摆动驱动装置。在用于钻孔的台阶处理装置中，用于钻孔装置1的台阶处理装置用放大刀5钻出形成在具有锥形的钻孔中的台阶部分。

6. 发明专利

JP2006214201A Composite foundation of piles and continuous underground wall 审中-公开
标题翻译：桩和连续地下墙的复合基础
公开(公告)号：JP2006214201A
公开(公告)日：2006-08-17
申请号：JP2005029181
申请日：2005-02-04
申请人： Nishimatsu Constr Co Ltd , Toda Constr Co Ltd , 戸田建設株式会社 , 西松建設株式会社
发明人： CHIBA OSAMU , ISEMOTO NORIAKI , YASUI YOSHITOSHI , KANEKO OSAMU , NAGAREDA TAKASHI , AZUMAGUCHI TAKESHI , TAKEUCHI YOSHIO , MIYAZAKI KEIICHI , HAGIWARA TOSHIYUKI , IMAMURA SHINICHIRO , ARAI TOSHIAKI
IPC分类号： E02D27/34 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a composite foundation of piles and a continuous underground wall, which efficiently and sufficiently bears axial-force load of a building built on soft ground, according to the ground structure, damps responsive displacement at the time of an earthquake to improve the habitability of the building, brings about upper skeleton reduction and change in structural type by virtue of reduction of input to a superstructure, achieves reduction of a pile cross sectional area and countermeasures against liquefaction, and contributes to total cost reduction and shortening of a construction period even if the continuous underground wall is employed.
SOLUTION: The soft ground 12 includes an intermediate layer 32 which is lower in rigidity than bearing ground 22 but higher than an upper layer 30. The continuous underground wall 18 is constructed so as to reach the depth of the intermediate layer 32, and the plurality of piles 16 reach the depth of the bearing ground 22. Then piles 16a at outermost locations out of all the piles 16 are arranged so as to correspond to the location of the continuous underground wall 18, united with the continuous underground wall 18, and each have a diameter larger than the thickness of the continuous underground wall 18. Therefore the piles 16 bear the axial-force load of the building 10, and the continuous underground wall 18 mainly bears only horizontal load at the time of an earthquake.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一个复合地基桩和一个连续的地下墙，它有效地充分地承受建筑在软土地上的建筑物的轴向载荷，根据地面结构，在当时的位置可以减小应变位移的地震，提高建筑物的居住性，通过减少对上层建筑的投入，实现上层骨架的减少和结构型式的变化，实现了桩横截面的减少和对液化的对策，有助于降低总成本即使采用连续的地下墙，也缩短施工期。解决方案：软地面12包括刚性低于承载地面22但高于上层30的中间层32.连续地下壁18构造成达到中间层32的深度，并且多个桩16到达承载地面22的深度。然后，在所有桩16中的最外位置处的桩16a被布置成对应于连续的地下墙18的位置，与连续地下壁18 并且各自的直径大于连续的地下壁18的厚度。因此，桩16承受建筑物10的轴向力载荷，连续的地下壁18在地震时主要仅承受水平载荷。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2007270486A Structure of spiral hoop for pile, and construction method for rc pile 有权
标题翻译：桩的螺旋结构和RC桩的施工方法
公开(公告)号：JP2007270486A
公开(公告)日：2007-10-18
申请号：JP2006096620
申请日：2006-03-31
申请人： Haseko Corp , High Frequency Heattreat Co Ltd , Kajima Corp , Matsui Construction Co Ltd , Nishimatsu Constr Co Ltd , Okumura Corp , Penta Ocean Constr Co Ltd , Sumitomo Mitsui Construction Co Ltd , Tobishima Corp , Toda Constr Co Ltd , 三井住友建設株式会社 , 五洋建設株式会社 , 戸田建設株式会社 , 松井建設株式会社 , 株式会社奥村組 , 株式会社長谷工コーポレーション , 西松建設株式会社 , 飛島建設株式会社 , 高周波熱錬株式会社 , 鹿島建設株式会社
发明人： YOSHIMATSU TOSHIYUKI , MARUYAMA AZUMA , NIWA TAKAKO , HATA MASAFUMI , FUNAKI HIDETAKA , YAMAURA ICHIRO , KATO MASATOSHI , ISEMOTO NORIAKI , YASUI YOSHITOSHI , KANEKO OSAMU , HOTTA KIYOSHI , KAWAKAMI YOSHITO , TAKEUCHI YOSHIO , ARAI TOSHIAKI , UOZUMI MASASHI , KUMAGAI MASAKI , IMANISHI GORYU , ONISHI KAZUHIKO , KOBAYASHI HITOSHI , HORIKOSHI AKIHITO , NISHIMURA NORIYOSHI , AOYAMA TAKAYUKI , MOTOI MITSUO , MURATA YOSHIYUKI , OKANO TAKAYOSHI
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a structure of a spiral hoop for a pile, which improves the property of infilling concrete, by securing a long bar-arrangement interval required for the infilling of the concrete, while securing the amount of the arrangement of the necessary spiral hoop, and a construction method for an RC pile using the spiral hoop for the pile.
SOLUTION: The spiral hoops 2 for the pile are spirally arranged on the outer peripheries of a plurality of main reinforcements 1 in the axial direction of the main reinforcement 1. The spiral hoop 2 is formed in such a manner that a plurality of parts 2a, in which the plurality of hoops are wound in a superposed state, and a plurality of parts 2b, in which the single hoop is wound, are alternately arranged in the axial direction of the main reinforcement 1. The part 2a is formed by bundling the plurality of hoops in the state of making them superposed on the outer periphery of the main reinforcement 1. The part 2b is formed of the single hoop. The parts 2a and 2b are formed of a single round bar or deformed bar in such a shape as to spirally continue in the axial direction of the main reinforcement 1.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于桩的螺旋箍的结构，其通过确保填充混凝土所需的长的杆排列间隔而提高混凝土的填充性能，同时确保必要的螺旋环的布置，以及用于桩的螺旋箍的RC桩的施工方法。解决方案：用于桩的螺旋箍2螺旋地布置在主加强件1的轴向上的多个主加强件1的外周上。螺旋箍2形成为使得多个多个环绕其叠置的部分2a和缠绕有单个环的多个部分2b在主加强件1的轴向上交替布置。部分2a由主加强件1的轴向方向形成在将它们重叠在主加强件1的外周上的状态下捆扎多个箍。部分2b由单个箍形成。部件2a和2b由单个圆棒或变形杆形成为在主加强件1的轴向上螺旋地继续的形状。（C）2008，JPO＆INPIT

8. 发明专利

JP2014177793A Step processing device for drilling hole 有权
标题翻译：用于钻孔的步骤处理装置
公开(公告)号：JP2014177793A
公开(公告)日：2014-09-25
申请号：JP2013051601
申请日：2013-03-14
申请人： Toda Constr Co Ltd , 戸田建設株式会社 , Kumagai Gumi Co Ltd , 株式会社熊谷組 , Japan Pile Corp , ジャパンパイル株式会社 , Taiyo Kiso Kk , 大洋基礎株式会社 , Daiho Constr Co Ltd , 大豊建設株式会社 , Tokyu Construction Co Ltd , 東急建設株式会社 , Toyo Techno Corp , 東洋テクノ株式会社 , Nishimatsu Constr Co Ltd , 西松建設株式会社 , Sumitomo Mitsui Construction Co Ltd , 三井住友建設株式会社
发明人： KANEKO OSAMU , SANO DAISAKU , NAKAMURA YASUNORI , MORI TOSHIHIRO , IIDA TSUTOMU , HATTORI KEISHO , FUJIKI HIDENORI , KAWANISHI YUKI , KOBAYASHI KOJI , ENOMOTO TAKESHI , YAJIMA JUNJI , NAKAZAWA FUTA , MIYAMOTO KAZUYUKI , YAMADA MASAKI , ARAI TOSHIAKI , TAKAHASHI KOJI , MIYATA KATSUTOSHI , MATSUKI KAZUHIKO
IPC分类号： E21B10/32
摘要： PROBLEM TO BE SOLVED: To provide a step processing unit for drilling hole that can solve a problem in which a conventional step processing unit for drilling hole requires a dedicated bucket for drilling and is thereby high in manufacture cost and construction cost and long in construction period.SOLUTION: A step processing device 1 for drilling hole comprises: a rod suspended from a kelly-bar; a bucket for drilling provided at a lower end part of the rod; an expansion blade which is provided on the rod, and swings to be made compact within a diameter range of the bucket for drilling when stored, and projects and swings from the diameter range of the bucket for drilling when expanded to obliquely drill a step part of a hole wall through rotation of the kelly-bar; a swing driving device provided on the rod so as to make the expansion blade swing; and a scraper which is fixed detachably to a lower surface of the expansion blade and rakes out slime accumulated on a hole wall surface, drilled obliquely by the expansion blade, at the step part through the rotation of the kelly-bar.
摘要翻译：要解决的问题：为了提供一种钻孔的台阶处理单元，其能够解决现有的钻孔的步进处理单元需要专用的钻孔的问题，因此制造成本和施工成本高，施工周期长解决方案：用于钻孔的台阶处理装置1包括：从凯利杆悬挂的杆; 用于钻杆的铲斗，设置在杆的下端部分; 设置在杆上的膨胀叶片，并且在储存时在铲斗的直径范围内变得紧凑的摆动，并且当膨胀的铲斗的直径范围从膨胀的铲斗的直径范围突出并摆动以斜向钻出步骤部分一个孔壁通过旋转的凯利杆; 摆动驱动装置，设置在所述杆上，以使所述膨胀叶片摆动; 以及可拆卸地固定到膨胀叶片的下表面的刮刀，并且通过所述凯利杆的旋转，在所述台阶部分处，通过所述膨胀叶片倾斜地凿出积聚在孔壁表面上的泥土。

9. 发明专利

JP2006328682A Temporary anchor 有权
标题翻译：临时锚
公开(公告)号：JP2006328682A
公开(公告)日：2006-12-07
申请号：JP2005150622
申请日：2005-05-24
申请人： Nishimatsu Constr Co Ltd , 西松建設株式会社
发明人： TAKEUCHI YOSHIO , ARAI TOSHIAKI
IPC分类号： E04C5/12 , E02D5/80
摘要： PROBLEM TO BE SOLVED: To provide a temporary anchor capable of streamlining construction efficiency and providing excellent work efficiency.
SOLUTION: This anchor comprises a head part 15 supporting a temporary structure, a fixing part 17 fixed to a ground 10, and a tension part 18 communicating the head part 15 with the fixing part 17 and transmitting a tension received from the temporary structure by the head part 15 to the fixing part 17. All of the head part 15, the fixing part 17, and the tension part 18 are formed of a biodegradable plastic material.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2006274745A Construction method for concrete pile, casing tube, casing, and concrete pile 审中-公开
标题翻译：混凝土桩，浇注管，混凝土桩的施工方法
公开(公告)号：JP2006274745A
公开(公告)日：2006-10-12
申请号：JP2005098720
申请日：2005-03-30
申请人： Nishimatsu Constr Co Ltd , 西松建設株式会社
发明人： TAKEUCHI YOSHIO , ARAI TOSHIAKI
IPC分类号： E02D5/34 , E21B7/20
摘要： PROBLEM TO BE SOLVED: To provide a construction method for a concrete pile for excavating the ground while preventing collapse of a hole wall to hold required cross section of the pile and dispense with recovery of a casing and to provide a casing tube, the casing, and the concrete pile used in this method.
SOLUTION: This construction method for the cast-in-place concrete pile comprises a process for pressing the casing tube 12a made of biodegradable plastic of a hollow cylinder into the ground and excavating the inside of the casing tube to form a excavated hole in which the casing is inserted and a process for placing concrete in the casing.
COPYRIGHT: (C)2007,JPO&INPIT

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