WO2016059657A1 - 支柱構造体 - Google Patents

支柱構造体 Download PDF

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Publication number
WO2016059657A1
WO2016059657A1 PCT/JP2014/005209 JP2014005209W WO2016059657A1 WO 2016059657 A1 WO2016059657 A1 WO 2016059657A1 JP 2014005209 W JP2014005209 W JP 2014005209W WO 2016059657 A1 WO2016059657 A1 WO 2016059657A1
Authority
WO
WIPO (PCT)
Prior art keywords
base block
box
anchors
support
reinforcing
Prior art date
Application number
PCT/JP2014/005209
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
利充 野村
昭一 井上
智弘 藤井
陽一 西田
Original Assignee
株式会社プロテックエンジニアリング
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社プロテックエンジニアリング filed Critical 株式会社プロテックエンジニアリング
Priority to KR1020177012081A priority Critical patent/KR101958126B1/ko
Priority to JP2015504452A priority patent/JP5801512B1/ja
Priority to PCT/JP2014/005209 priority patent/WO2016059657A1/ja
Publication of WO2016059657A1 publication Critical patent/WO2016059657A1/ja

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • 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
    • 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
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material

Definitions

  • the present invention relates to a support structure suitable for a protective fence on which an impact such as avalanche, landslide and falling rocks acts.
  • the foundation of the support pillar that constitutes the protective fence is required to have a strength sufficient to withstand an impact load.
  • a gravity-type concrete foundation is constructed on a slope, and a lower portion of a support is buried in the concrete foundation (Patent Document 1).
  • Patent Documents 2 and 3 As a method for economically setting up a support in a short period of time, a method of directly installing a support in a vertical hole drilled on a slope of a mountainside is known (Patent Documents 2 and 3).
  • Patent Documents 2 and 3 There is also a known strut structure in which the pile body is built in advance without building the pillar in the ground, and the lower part of the pillar placed on the pile head and the pile head is connected by bolts.
  • the conventional support structure has the following problems. ⁇ 1> In the form in which the column is erected on the concrete foundation represented by Patent Document 1, it is easy to ensure the stability of the column, but there is a problem that the construction cost increases and the construction period is long. ⁇ 2> In the form in which the pillars are directly built in the ground as disclosed in Patent Documents 2 and 3, the depth of the pillars is approximately several times the height of the pillars on the ground surface in order to ensure the strength of the pillars. The length of is needed. Therefore, not only the hole for erection has to be deeply drilled, but also the total length of the column becomes longer in proportion to the penetration depth, and the column cost increases.
  • the present invention has been made in view of the above-mentioned problems, and the object of the present invention is to economically construct a strut structure while ensuring a high supporting force, and can significantly reduce the construction cost and the construction period.
  • the object is to provide a strut structure. Furthermore, this invention is providing the support
  • the present invention relates to a strut structure including a strut body, a base block that is grounded to the ground and is detachably integrated with a lower portion of the strut body, and a plurality of anchors that are connected to the base block by obtaining reaction force from the ground.
  • a plurality of reinforcing guide pipes that are inserted into the central portion of the box, and a lower insertion portion of the column main body is inserted into the base block so that the column main body can be removed and solidified in the reinforcement guide tube.
  • a reinforcing support pile that is integral with the base block is formed by filling the filler and the box is filled with the consolidation material, and the base ends of the anchors and the reinforcing guide tube are connected to the base block so as not to be separated. It is characterized by that.
  • the plurality of reinforcing guide tubes and the plurality of anchors may be arranged radially with respect to the box.
  • a plurality of peripheral compartments are formed around the central compartment of the box, and the base ends of the anchors are connected to each other in a separable manner by a solidified material filled in some peripheral compartments.
  • the support structure is a support fence support.
  • the present invention has the following effects.
  • ⁇ 1> The support body is erected on a highly rigid base block without being embedded in the ground, and the base block is supported on the ground via a plurality of anchors and reinforcing guide tubes. Therefore, the support structure can be economically constructed without requiring a large heavy machine or a large work gantry for fixing the base block, and the construction cost and the construction period can be greatly reduced.
  • ⁇ 2> The support body and the base block constituting the support structure can be separated. When the column main body is deformed, it is not necessary to replace the entire column structure, and only the minimum necessary column main body can be replaced. Therefore, it is possible to economically replace the column main body in a short time. it can.
  • ⁇ 3> By embedding a reinforcing material in the consolidated material, the strength and rigidity of the base block become very high. Therefore, the thickness of the base block can be reduced to reduce the weight.
  • FIGS. An embodiment of the present invention will be described with reference to FIGS.
  • this invention demonstrates the support
  • pillar structure is applicable to various uses other than a protection fence.
  • the column structure is composed of a plurality of column main bodies 10 erected on the ground G such as slopes at intervals, and the ground 10.
  • the base block 20 is detachably integrated with the lower part of the column main body 10 and a plurality of anchors 40a and 40b for fixing the base block 20 by obtaining a reaction force from the ground.
  • the column main body 10 is a structural element having a large bending strength, and is made of, for example, a known steel pipe, shape steel, concrete column or the like. Other parts excluding the lower part of the column main body 10 correspond to the support structure of the protection net so that the upper and lower sides of various known protection nets can be supported horizontally or the upper side of the protection net can be suspended. It has a structural element.
  • An annular flange 12 projects from the lower portion of the column main body 10 via a reinforcing vertical rib 11 at a position separated from the lower end of the column body 10, and the base block 20 can be inserted into a portion below the flange 12. Part 13 is formed.
  • a base block 20 that supports the column main body 10 while obtaining reaction force in the ground with a plurality of anchors 40a and 40b is a bottomed structure or a cylindrical structure box 21 that opens up and down, and a box body 21.
  • the box 21 has a plurality of reinforcing plates 22 arranged in an intersecting manner, and the inner space is divided into a plurality of compartments 23 (a central compartment 23a and a peripheral compartment 23b). This is a rigid structure.
  • the planar shape of the box 21 and each compartment 23 is shown as a quadrangle, but may be other polygons, circles, or ellipses.
  • the reinforcing plate 22 is a plate material for dividing the inner space of the box 21 into a plurality of pieces.
  • the height of the reinforcing plate 22 only needs to be lower than the height of the box 21.
  • the ends of the plurality of reinforcing plates 22 arranged in a lattice shape in the vertical and horizontal directions may be fixed to the side surface of the box 21. .
  • Compartment Chamber A central compartment 23a is formed in the center of the box 21 with a reinforcing plate 22 around the periphery, and the side surface of the box 21 and the reinforcing plate 22 are formed around the central compartment 23a.
  • a plurality of peripheral compartments 23b partitioned by are formed.
  • the central compartment 23 a of the box 21 can be fitted with a fitting insertion portion 23 at the bottom of the column main body 10.
  • the peripheral compartments 23b need not all have the same shape and the same volume, and the number of them can be selected as appropriate.
  • the peripheral compartment 23b has a dimensional relationship in which the reinforcing plate 22 does not interfere with the reinforcing guide tube 30 and the anchors 40a and 40b when the reinforcing guide tube 30 and the plurality of anchors 40a and 40b are inserted and installed from an oblique direction. Yes.
  • the reinforcing guide tube 30 serves to protect the hole wall of the surface layer portion, the guide function when inserting and setting the plurality of anchors 40a and 40b, and the support ground of the base block 20 And the function as a support pile that increases shear and bending resistance.
  • the arrangement direction of the reinforcement guide tube 30 with respect to the box 21 will be described with reference to FIG.
  • the direction in which the reinforcing guide tube 30 is arranged is not perpendicular to the bottom surface of the box 21 but is inclined so that the plurality of anchors 40a, 40b can be radially guided into the ground.
  • An intermediate mounting plate 24 having an opening through which the reinforcing guide tube 30 can be inserted is fixed obliquely.
  • An opening through which the reinforcing guide tube 30 can be inserted is formed in the bottom plate or the side plate of the box 21.
  • the reinforcing guide tube 30 may be positioned at least at the two points of the intermediate mounting plate 24 and the bottom plate or side plate of the box 21.
  • the intermediate mounting plate 24 is a narrow plate body and can fill the entire area of the peripheral compartment 23 b with the consolidated material 25 through a gap formed between the intermediate mounting plate 24 and the box 21.
  • the intermediate intermediate mounting plate 24 is not essential and may be omitted. In short, it is only necessary that the reinforcing guide tube 30 can be held at a predetermined inclination angle with respect to the box 20.
  • the fixing bolt 26 is a bolt that is fixed upward on the bottom surface of the box 21, and has a total length that protrudes upward from the upper mouth surface of the box 21.
  • the column main body 10 can be fixed to the base block 20 by screwing the nut 27 onto the fixing bolt 25 inserted through the flange 12 of the column main body 10.
  • Anchors 40a and 40b are known anchors such as rock bolts and ground anchors, and are fixed in the ground via the filler 41 filled in the anchor holes.
  • the anchors 40a and 40b are arranged radially toward the ground, and the base ends thereof are embedded in the base block 20.
  • two anchors 40a are installed on the sloped valley side with respect to the column main body 10, and one anchor 40b is installed on the sloped mountain side.
  • the installation of each anchor 40a, 40b on the base block 20 is shown.
  • the position and number of installations shall be appropriately selected according to the situation at the site.
  • the reason why the plurality of anchors 40a and 40b are employed as the fixing means of the base block 20 is to simplify the construction using a small construction machine and to obtain a high support reaction force without being influenced by the geology. is there.
  • the consolidating material 25 is a cement-based hardener such as mortar, and is filled in the entire area of the box 21 at the site as will be described later.
  • the anchor hole 42 is filled with a filler 41 such as mortar, and the anchors 40a and 40b are fixed in the ground. Further, a solidifying filler 41 is filled in the entire area of the reinforcing guide tube 30.
  • the reinforcing guide tube 30 forms a highly rigid pile body by filling the reinforcing guide tube 30 with the filler 41 on the ground surface side of each anchor 40a, 40b. Thus, a plurality of pile bodies can be formed on the same line as the anchors 40a and 40b only by filling the reinforcing guide tube 30 with the filler 41.
  • a support structure is constructed at a predetermined interval on the ground G such as a slope, and a protection fence is constructed by attaching a protection net or the like between adjacent support bodies 10.
  • the strut body 10 is erected on the base block 20, and therefore, a conventional concrete foundation with floor digging and a long and deeply-supported strut are not necessary. Therefore, in this invention, compared with the support structure of the conventional support
  • the column main body 10 constituting the column structure is firmly integrated by installing the fitting insertion portion 13 in the base block 20 having a composite structure.
  • the base block 20 that supports the column main body 10 is firmly supported by a plurality of reinforcing guide tubes 30 and a plurality of anchors 40a and 40b by obtaining reaction force in the ground.
  • the plurality of reinforcing guide tubes 30 and the plurality of anchors 40a and 40b are arranged radially with respect to the base block 20 so as to increase the supporting force and the supporting reaction force.
  • the column main body 10 when an impact is applied to the column main body 10, the column main body 10 is deformed, but the base plate 20 is firmly supported by the plurality of reinforcing guide tubes 30 and the plurality of anchors 40 a and 40 b, and therefore does not slide or fall. .
  • the impact force acting on the column main body 10 in this way is transmitted to the ground G through the bottom surface of the base block 20, the plurality of reinforcing guide tubes 30, and the plurality of anchors 40a and 40b.
  • the reinforcement guide tube 30 functioning as a reinforcement support pile is used in combination. Therefore, even if the support ground of the base block 20 is soft, the depression of the support ground can be suppressed and the base block 20 can be supported in a stable posture.
  • the base block 20 can be made of a composite structure by the box 21 and the consolidating material 25 from which the reinforcing plate 22 is omitted. It must be thick.
  • the rigidity and strength of the base block 20 can be increased. Therefore, the thickness of the base block 20 is reduced and the filling amount of the consolidated material 25 is reduced. be able to.
  • the plurality of reinforcing plates 22 not only function as a reinforcing material for the box 21, but also constrain the consolidated material 25 filled in the box 21 in units of small sections to increase the restraining effect of the consolidated material 25. Function. Therefore, even if a large impact force acts on the base block 20, it is possible to reliably prevent the base block 20 from being broken.
  • the impact load acting on the column body 10 is concentrated on the lower portion of the column body 10 and the fitting portion of the base block 20.
  • the periphery of the central compartment 23 a of the base block 20 is reinforced by a plurality of reinforcing plates 22 and a consolidated material 25. Therefore, even if stress concentrates on the lower part of the column main body 10 and the fitting part of the base block 20, the fitting part of the base block 20 does not need to be destroyed, and an impact force is applied from the column main body 10 to the base block 20. Can communicate.
  • the column body 10 is removed from the base plate 20 after removing the nut 27 from the fixing bolt 26.
  • the column body 10 is removed by swaying the column body 10 back and forth or left or right by hanging a part of the consolidated material 25. be able to.
  • a central compartment 23a appears in the removal mark at the center of the base plate 20.
  • a new column body 10 is erected on the base plate 20 using the central compartment 23a. Since the method of standing the column main body 10 is as described above, the description thereof is omitted.
  • the column main body 10 when the column main body 10 is deformed, only the column main body 10 can be replaced, and the existing base plate 20, the plurality of reinforcing guide tubes 30, and the plurality of anchors 40a and 40b are not replaced. It can be utilized, and the column main body 10 can be exchanged economically and in a short time.
  • the anchors 40a and 40b that have been loosened for a later reason can be easily tensioned, and the base block 20 is good. A sufficient supporting force can be ensured over a long period of time.
  • the fitting insertion portion 13 of the column main body 10 is formed longer than the thickness of the base block 20, and a part of the fitting insertion portion 13 of the column main body 10 extends from the bottom of the base block 20 to the ground. There is also a case of projecting directly downward.
  • the protruding length of the fitting insertion portion 13 of the column main body 10 is so long. Even if it does not do, there exists an advantage that stability of the support

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Foundations (AREA)
PCT/JP2014/005209 2014-10-14 2014-10-14 支柱構造体 WO2016059657A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020177012081A KR101958126B1 (ko) 2014-10-14 2014-10-14 지주 구조체
JP2015504452A JP5801512B1 (ja) 2014-10-14 2014-10-14 支柱構造体
PCT/JP2014/005209 WO2016059657A1 (ja) 2014-10-14 2014-10-14 支柱構造体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/005209 WO2016059657A1 (ja) 2014-10-14 2014-10-14 支柱構造体

Publications (1)

Publication Number Publication Date
WO2016059657A1 true WO2016059657A1 (ja) 2016-04-21

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ID=54477724

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Application Number Title Priority Date Filing Date
PCT/JP2014/005209 WO2016059657A1 (ja) 2014-10-14 2014-10-14 支柱構造体

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Country Link
JP (1) JP5801512B1 (ko)
KR (1) KR101958126B1 (ko)
WO (1) WO2016059657A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107675722A (zh) * 2017-11-02 2018-02-09 重庆大学 用于登机桥后立柱的可调式导管基础及其施工方法
US10180011B2 (en) 2014-09-02 2019-01-15 Jarrod Conway WHITE Post support apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102221709B1 (ko) * 2020-12-16 2021-03-02 (주)대광 가공 배전선로의 통합 관리 시스템
KR102221708B1 (ko) * 2020-12-16 2021-03-02 (주)대광 배전선로의 위치 추적 시스템
CN112962650A (zh) * 2021-03-19 2021-06-15 杨帅 一种用于公路桥梁检测的桩基加固装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002047650A (ja) * 2000-08-01 2002-02-15 Toko Corp 組アンカー体及びその施工方法
JP2004143867A (ja) * 2002-10-28 2004-05-20 Minoru Kitagawa 支柱とロープの支持装置と、その設置工法
JP2010222935A (ja) * 2009-03-25 2010-10-07 Nippon Steel & Sumikin Metal Products Co Ltd 支柱固定構造
JP2010222936A (ja) * 2009-03-25 2010-10-07 Nippon Steel & Sumikin Metal Products Co Ltd 落石・雪崩防止柵
JP2011047217A (ja) * 2009-08-27 2011-03-10 Purotekku Engineering:Kk 防護柵
JP2013079516A (ja) * 2011-10-04 2013-05-02 Maruden-Kogyo Co Ltd 架台基礎

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JP2002115213A (ja) 2000-10-04 2002-04-19 Yutaka Hosokawa 防護柵
JP3856731B2 (ja) 2002-06-19 2006-12-13 細川 豊 防護柵
JP4568766B2 (ja) 2004-07-21 2010-10-27 東京製綱株式会社 落石防止柵
JP4686794B2 (ja) 2006-07-28 2011-05-25 株式会社ライテク 崩壊土砂防護柵
KR20120020739A (ko) * 2010-08-31 2012-03-08 재단법인 포항산업과학연구원 가로시설물용 두부 확장 지주 기초구조물 및 이의 시공방법
KR101157379B1 (ko) * 2011-07-20 2012-06-20 장수호 시공 시간이 단축되는 친환경 기둥 지지대

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002047650A (ja) * 2000-08-01 2002-02-15 Toko Corp 組アンカー体及びその施工方法
JP2004143867A (ja) * 2002-10-28 2004-05-20 Minoru Kitagawa 支柱とロープの支持装置と、その設置工法
JP2010222935A (ja) * 2009-03-25 2010-10-07 Nippon Steel & Sumikin Metal Products Co Ltd 支柱固定構造
JP2010222936A (ja) * 2009-03-25 2010-10-07 Nippon Steel & Sumikin Metal Products Co Ltd 落石・雪崩防止柵
JP2011047217A (ja) * 2009-08-27 2011-03-10 Purotekku Engineering:Kk 防護柵
JP2013079516A (ja) * 2011-10-04 2013-05-02 Maruden-Kogyo Co Ltd 架台基礎

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10180011B2 (en) 2014-09-02 2019-01-15 Jarrod Conway WHITE Post support apparatus
CN107675722A (zh) * 2017-11-02 2018-02-09 重庆大学 用于登机桥后立柱的可调式导管基础及其施工方法

Also Published As

Publication number Publication date
KR101958126B1 (ko) 2019-03-13
KR20170062531A (ko) 2017-06-07
JP5801512B1 (ja) 2015-10-28
JPWO2016059657A1 (ja) 2017-04-27

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