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    • 1. 发明专利
    • 計測システム、計測方法および間隔決定方法
    • JP2020197082A
    • 2020-12-10
    • JP2019104302
    • 2019-06-04
    • 清水建設株式会社
    • 濁川 直寛浅香 美治
    • G01C9/06G01C15/00E02D17/00
    • 【課題】根切り・山留め工事の全期間において、掘削領域の周辺を含めた地盤の全体的な挙動を精度よくモニタリングすることができるようにする。 【解決手段】鉛直方向である掘削方向に長手方向を有する芯材を用いて構成された山留め壁において、長手方向に所定の第1間隔で芯材に取り付けられた複数の傾斜角検知部から構成される第1傾斜角検知ユニットを用いて計測された芯材の傾斜角を表す情報を取得し、長手方向に対して直交する方向である水平方向に所定の第2間隔で芯材に取り付けられた複数の傾斜角検知部から構成される第2傾斜角検知ユニットを用いて計測された芯材の傾斜角を表す情報を取得する傾斜角情報取得部と、第1傾斜角検知ユニットから取得した傾斜角を表す情報に基づく第1相対変位を表す情報と、第2傾斜角検知ユニットから取得した傾斜角を表す情報に基づく第2相対変位を表す情報とを、出力する出力部とを備える。 【選択図】図10
    • 6. 发明专利
    • Apparatus for measuring ground displacement
    • 测量地面位移的装置
    • JP2010101897A
    • 2010-05-06
    • JP2009245849
    • 2009-10-26
    • Seung-Mock Lee李 昇穆Lee Seung‐Mok
    • LEE SEUNG-MOCK
    • G01C7/06E02D17/00E02D17/18G01C15/00
    • G01B7/16E21B47/022G01B21/32
    • PROBLEM TO BE SOLVED: To solve such a problem that a conventional apparatus for measuring ground displacement suffers from an error of measurement due to a disagreement between reference points, a degree of drilling verticality, a distortion in a tilting tube, or the like.
      SOLUTION: An apparatus for measuring a ground displacement can be inserted into a tilting tube digged vertically in the ground and move along the length of the tilting tube and senses a displacement of the inner surface of the tilting tube in a contact manner. The apparatus includes: sensing means for measuring a three-dimensional coordinate displacement for every timing of measurement when moving along the length of the tilting tube inside of the tilting tube; timing setting means for setting the timing of measurement; and displacement amount computing means for computing, as an amount of ground displacement, the three-dimensional coordinate displacement data measured by the sensing means. Because a moving part measures a displacement in a three-dimensional (or triaxial) direction in real time according to the timing of measurement while moving inside of the tilting tube, a measurement process is constituted without any regard for a minimal interval of measurement, a reference point, or the like.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题为了解决这样的问题,即用于测量地面位移的常规装置由于参考点之间的不一致而导致测量误差,钻孔垂直度,倾斜管的变形或 喜欢。 解决方案:一种用于测量地面位移的装置可以插入垂直挖掘的倾斜管中,并沿倾斜管的长度移动,并以接触的方式感测倾斜管的内表面的位移。 该装置包括:检测装置,用于当沿倾斜管内倾斜管的长度移动时,测量每个测量时刻的三维坐标位移; 定时设定装置,用于设定测量时间; 以及用于计算由感测装置测量的三维坐标位移数据作为地面位移量的位移量计算装置。 由于移动部件在倾斜管内部移动时根据测量时刻实时地测量三维(或三轴)方向上的位移,因此构成测量处理而不考虑最小的测量间隔, 参考点等。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • LINING AND EARTH RETAINING TIMBERING
    • JPH08246456A
    • 1996-09-24
    • JP4725895
    • 1995-03-07
    • FUJITA CORP
    • HIRANO YOSHIKI
    • E02D17/00
    • PURPOSE: To promote execution efficiency by arranging beam seats having channel sections to both internal and external sides of each pile in a row of piles, at,the same time, fitting a reinforced material between adjacent piles, mounting holding pieces on the beam seats, and loading lining beam end sections on the holding pieces and beam seats to fix. CONSTITUTION: A pair of beam seats 3 are monolithically formed through a reinforced material, they are proof against heavy load and, at the same time, load as a shore strut is transferred to lining beams 5 through holding pieces 4. Then, since earth retaining first stage shore struts and wales are used for the beams 5 and beam seats 3, earth retaining first stage timberings are omitted, and a vertical space under the beams 5 is largely occupied. Resistance reaction force as the wales is increased by the reinforcing effect of the beam seats 3. By the constitution, hanging protection of a buried substance and execution efficiency of excavation can be improved, and a construction period can be reduced.
    • 10. 发明专利
    • PIT EXCAVATION WORK METHOD
    • JPH0464618A
    • 1992-02-28
    • JP17488190
    • 1990-07-02
    • KAJIMA CORP
    • NOJIRI AKIYOSHIYOSHIDA HIROSHI
    • E02D5/54E02D17/00E02D19/12E02D27/28E02D27/34E02D31/10
    • PURPOSE:To realize pit excavation of a great depth with a comparatively small quantity of raised water, by conducting the connection of a non-water pervasion layer which lies deeper than a pit bottom, and a hard layer which lies deeper than this layer, by means of anchor piles prior to pit excavation. CONSTITUTION:A continuous wall 4 which reaches a non-water pervasion layer consisting of a clay layer that lies deeper than a pit bottom 2 at a hard sand layer, is placed into the perimeter of the ground 1 to be excavated. Pits whose largest diameter is at the vicinity of the pit bottom 2, are bored by means of a concrete placement pile driver. Pressure support plates 6 are fitted to the tip portions by using perpendicularly PC steel wires, and ferro-reinforced cages 7 are suspended down within these pits. Concrete is poured into these pits, and anchor piles 9 which reach a hard layer 5 that lies at a deep layer, are formed, and connection between the non-water pervasion layer 3 and the layer 5 that lies deeper, is made. Meanwhile, pits that do not reach the pit bottom 2, are buried back by means of soil cement or the like.