JP6679757B2 - マイクロパイルの波形グラウト球根及びその形成方法 - Google Patents
マイクロパイルの波形グラウト球根及びその形成方法 Download PDFInfo
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- JP6679757B2 JP6679757B2 JP2018559751A JP2018559751A JP6679757B2 JP 6679757 B2 JP6679757 B2 JP 6679757B2 JP 2018559751 A JP2018559751 A JP 2018559751A JP 2018559751 A JP2018559751 A JP 2018559751A JP 6679757 B2 JP6679757 B2 JP 6679757B2
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- Prior art keywords
- grout
- micropile
- bulb
- jet
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011440 grout Substances 0.000 title claims description 113
- 238000000034 method Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 claims description 35
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 239000010410 layer Substances 0.000 description 13
- 239000011435 rock Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/56—Screw piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1685—Shapes cylindrical
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Piles And Underground Anchors (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Description
従来のマイクロパイル工法は、大きく、穿孔ステップ、棒鋼挿入、設置ステップ、グラウトステップ及び頭部補強ステップに分けられる。
マイクロパイル10の棒鋼11は、柱部110に挿入され、固定される。
さらに、第2ステップ(A200)の後に、柱部110にマイクロパイル10を挿入する第3ステップ(A300)が行われる。
本発明の一実施例に係るグラウト材(3)は、突出部120を形成する第1グラウト材3a及び柱部110を形成する第2グラウト材3bを含む。
Claims (4)
- 地中(1)を穿孔し、穿孔穴(2)を形成させる穿孔機(230)、グラウト材(3)を噴射するグラウト材噴射口(220)及び前記グラウト材噴射口(220)に、前記グラウト材を供給するグラウト材移送管(210)を含むジェットグラウト装置(200)を用いて、前記穿孔穴(2)を形成すると同時に、前記グラウト材噴射口(220)から前記グラウト材を前記穿孔穴(2)の内部に高圧噴射させ、マイクロパイル(10)の地中支持力確保のための波形のグラウト球根(100)を形成させる第1ステップ(A100)を含み、
前記グラウト球根(100)は、
下向きに延びる円筒状の柱部(110)の長さ方向に沿って、一定の最大直径(D1)を有する突出部(120)が複数形成され、
隣接する前記突出部(120)は、所定の形成間隔(s)ほど離隔されて形成され、
前記グラウト球根(100)の縦断面は、波形を形成し、
前記マイクロパイル(10)は、前記柱部(110)に挿入され、
前記突出部(120)の長さ(L)が前記最大直径(D1)の2倍である場合、前記形成間隔(s)は、前記最大直径(D1)であるか、又は前記最大直径(D1)の2倍であることを特徴とするジェットグラウトを用いたマイクロパイル工法。 - 前記第1ステップ(A100)において、前記ジェットグラウト装置(200)は、前記穿孔穴(2)及び前記グラウト球根(100)を同時に形成させることを特徴とする請求項1に記載のジェットグラウトを用いたマイクロパイル工法。
- 前記ジェットグラウト装置(200)を前記穿孔穴(2)の外部に引き出すと同時に、前記穿孔穴の内部に、前記グラウト材噴射口から前記グラウト材(3)を前記穿孔穴(2)の内部に噴射させ、前記柱部(110)を形成させる第2ステップ(A200)をさらに含むことを特徴とする請求項2に記載のジェットグラウトを用いたマイクロパイル工法。
- 前記柱部(110)に、前記マイクロパイル(10)を挿入する第3ステップ(A300)をさらに含むことを特徴とする請求項3に記載のジェットグラウトを用いたマイクロパイル工法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160101940 | 2016-08-10 | ||
KR10-2016-0101940 | 2016-08-10 | ||
PCT/KR2017/008672 WO2018030805A1 (ko) | 2016-08-10 | 2017-08-10 | 마이크로 파일의 파형 그라우팅 구근 및 이를 형성하는 방법 |
Publications (2)
Publication Number | Publication Date |
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JP2019522129A JP2019522129A (ja) | 2019-08-08 |
JP6679757B2 true JP6679757B2 (ja) | 2020-04-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018559751A Active JP6679757B2 (ja) | 2016-08-10 | 2017-08-10 | マイクロパイルの波形グラウト球根及びその形成方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10501905B2 (ja) |
JP (1) | JP6679757B2 (ja) |
CN (1) | CN109072575A (ja) |
WO (1) | WO2018030805A1 (ja) |
Families Citing this family (8)
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FR3047496B1 (fr) * | 2016-02-10 | 2019-07-05 | Soletanche Freyssinet | Procede de fabrication d'un tirant d'ancrage et tirant d'ancrage |
DE102017121760A1 (de) * | 2017-09-20 | 2019-03-21 | Innogy Se | Verfahren zur Installation eines Pfahls und Pfahl |
CN108797577A (zh) * | 2018-07-12 | 2018-11-13 | 上海市城市建设设计研究总院(集团)有限公司 | 带挤扩支盘的碎石注浆桩及其施工方法 |
CN112442976A (zh) * | 2019-09-04 | 2021-03-05 | 周兆弟 | 混凝土变截面预制方桩 |
CN111305194B (zh) * | 2019-11-29 | 2022-03-11 | 祝波 | 一种复合扩盘桩施工方法及设备 |
US20220356663A1 (en) * | 2020-10-19 | 2022-11-10 | Theo Robert Seeley | Load Transfer System |
DE102020131395A1 (de) | 2020-11-26 | 2022-06-02 | Depenbrock Ingenieurwasserbau GmbH & Co. KG | Verfahren zum Sichern eines Bauwerks und Anordnung eines Bauwerks in einem Gelände |
US12000104B1 (en) * | 2022-03-10 | 2024-06-04 | Theo Robert Seeley | Green gravity retaining wall |
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2017
- 2017-08-10 WO PCT/KR2017/008672 patent/WO2018030805A1/ko active Application Filing
- 2017-08-10 JP JP2018559751A patent/JP6679757B2/ja active Active
- 2017-08-10 US US16/097,929 patent/US10501905B2/en active Active
- 2017-08-10 CN CN201780022156.1A patent/CN109072575A/zh active Pending
Also Published As
Publication number | Publication date |
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US20190153692A1 (en) | 2019-05-23 |
WO2018030805A1 (ko) | 2018-02-15 |
JP2019522129A (ja) | 2019-08-08 |
CN109072575A (zh) | 2018-12-21 |
US10501905B2 (en) | 2019-12-10 |
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