KR20050017837A - Fixing structure of nail for easy grouting - Google Patents

Fixing structure of nail for easy grouting

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Publication number
KR20050017837A
KR20050017837A KR1020030055271A KR20030055271A KR20050017837A KR 20050017837 A KR20050017837 A KR 20050017837A KR 1020030055271 A KR1020030055271 A KR 1020030055271A KR 20030055271 A KR20030055271 A KR 20030055271A KR 20050017837 A KR20050017837 A KR 20050017837A
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South Korea
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nail
cap
fixing structure
fastened
easy
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KR1020030055271A
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KR100581381B1 (en
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재 술 나
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재 술 나
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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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material
    • 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
    • E02D5/805—Ground anchors with deformable anchoring members
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details

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  • 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)
  • Piles And Underground Anchors (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

본 발명은 그라우팅이 용이한 네일의 고정구조에 관한 것으로 천공홀(101)에 삽입하는 네일(110)과, 상기 네일(110)의 노출부분에 체결하는 지압판(120)과, 상기 지압판(120)의 돌출부분에 공간이 형성되게 체결되는 캡(130), 및 상기 네일(110)의 노출부분에 체결하여 캡(130)을 가압하여 고정시키는 지지너트(140)로 구성하므로 천공홀에 한번의 그라우팅으로 시멘트 몰탈 등의 양생이 완료되도록 하여 공사기간을 단축하고 제 작업에 따른 번거로움을 해소할 뿐만 아니라 인력의 낭비를 해소할 수 있을 뿐만 아니라 한번의 그라우팅으로 완전하게 양생시키므로 강도를 향상시킬 수 있는 효과가 있다.The present invention relates to a nail fixing structure that is easy to grout, nail 110 to be inserted into the drilling hole 101, acupressure plate 120 to be fastened to the exposed portion of the nail 110, the acupressure plate 120 Grouting once in the perforation hole because it consists of a cap 130 is fastened to form a space in the protruding portion of, and a support nut 140 is fixed to the cap 130 by pressing the exposed portion of the nail 110 As a result, the curing of cement mortar is completed, which shortens the construction period, eliminates the inconvenience of work, and eliminates the waste of manpower, and improves strength by completely curing in one grouting. It works.

Description

그라우팅이 용이한 네일의 고정구조{Fixing structure of nail for easy grouting} Fixing structure of nail for easy grouting

본 발명은 그라우팅이 용이한 네일의 고정구조에 관한 것으로, 상세하게는 지보공법이나 네일링 공법 등에서 천공홀에 시멘트몰탈을 단 한번 주입으로 완료할 수 있도록 하는 그라우팅이 용이한 네일의 고정구조에 관한 것이다.The present invention relates to a fixing structure of a nail that is easy to grout, and more particularly, to a fixing structure of a nail that is easy to grout to be completed by a single injection of cement mortar into the drilling hole in a support method or a nailing method. will be.

일반적으로 네일링 공법이나 지보공법에서는 지중 또는 암반 등에 천공홀을 뚫고 여기에 네일이나 앵커 또는 와이어를 삽입하고 이를 지압판으로 고정시킨 후 천공홀 내부로 시멘트 몰탈을 충진하였다.In general, in the nailing method or the geotechnical method, a hole was drilled in the ground or a rock, and a nail, anchor, or wire was inserted therein, fixed with a pressure plate, and cement mortar was filled into the hole.

이후 천공홀에 충진된 시멘트몰탈의 양생이 완료되면 충진된 시멘트몰탈이 수축하여 주입 측에 빈 공간이 형성되므로 이 빈 공간에 다시 시멘트몰탈을 주입하여 다시 양생시켜 작업을 완료하였다.After the curing of the cement mortar filled in the drilling hole is completed, the filled cement mortar shrinks to form an empty space on the injection side, so the cement mortar is injected again into the empty space and cured again to complete the work.

그러나 이러한 종래의 그라우팅으로 시멘트몰탈을 천공홀에 압입한 후 시멘트몰탈이 양생과정에서 수축으로 인한 체적이 줄어들게 되고 이로 인하여 1차 양생 후 발생되는 공간에 재차 시멘트몰탈을 충진하여 양생해야 하므로 공사기간이 길어 질 뿐만 아니라 작업이 번거롭고 인력낭비를 초래하는 문제점이 있었다.However, after the cement mortar is pressed into the drilling hole by the conventional grouting, the volume of the cement mortar decreases due to shrinkage during the curing process. Therefore, the cement mortar needs to be filled and cured again in the space generated after the first curing. In addition to the lengthy work, the work was cumbersome and wasted problems.

따라서 본 발명의 주 목적은 천공홀에 한번의 그라우팅으로 시멘트 몰탈 등의 양생이 완료되도록 하여 공사기간을 단축하고 제 작업에 따른 번거로움을 해소할 뿐만 아니라 인력의 낭비를 해소할 수 있도록 하는 그라우팅이 용이한 네일의 고정구조를 제공하는 데 있다.Therefore, the main object of the present invention is to grout the cement mortar by one grouting in the drilling hole to shorten the construction period and eliminate the hassle according to the work as well as the grouting to eliminate the waste of manpower It is to provide an easy nail fixing structure.

본 발명의 다른 목적은 한번의 그라우팅으로 완전하게 양생시키므로 강도를 향상시킬 수 있도록 하는 그라우팅이 용이한 네일의 고정구조를 제공하는 데 있다. Another object of the present invention is to provide a fixing structure of the nail that is easy to grout to improve the strength because it is completely cured in one grouting.

이러한 목적을 달성하기 위하여 본 발명의 그라우팅이 용이한 네일의 고정구조는 천공홀에 삽입하는 네일과, 상기 네일의 노출부분에 체결하는 지압판과, 상기 지압판의 돌출부분에 공간이 형성되게 체결되는 캡, 및 상기 캡을 결합하는 지지너트로 구성함을 그 기술적 구성상의 기본 특징으로 한다.In order to achieve the above object, the fixing structure of the nail, which is easy to grout according to the present invention, includes a nail inserted into a drilling hole, a pressure plate to be fastened to an exposed portion of the nail, and a cap fastened to form a space at a protrusion of the pressure plate. And a support nut for coupling the cap is a basic feature of the technical configuration.

위와 같이 구성된 본 고안의 바람직한 실시 예를 첨부된 도면을 참조하면서 상세히 설명하면 다음과 같다.When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention configured as described above are as follows.

도 1 은 본 발명에 따른 그라우팅이 용이한 네일의 고정구조를 설명하기 위한 분해사시도이고, 도 2 는 본 발명에 따른 그라우팅이 용이한 네일의 고정구조를 설명하기 위한 단면도이다.1 is an exploded perspective view illustrating the fixing structure of the nail easy to grout according to the present invention, Figure 2 is a cross-sectional view for explaining the fixing structure of the nail easy to grout according to the present invention.

도 1 과 도 2 에 나타낸 바와 같이, 본 발명의 그라우팅이 용이한 네일의 고정구조는 천공홀(101)에 삽입하는 네일(110)과, 상기 네일(110)의 노출부분에 체결하는 지압판(120)과, 상기 지압판(120)의 돌출부분에 공간이 형성되게 체결되는 캡(130), 및 상기 네일(110)의 노출부분에 체결하여 캡(130)을 가압하여 고정시키는 지지너트(140)로 구성한다.As shown in Figure 1 and 2, the fixing structure of the nail easy grouting of the present invention is a nail 110 to be inserted into the drilling hole 101, and acupressure plate 120 to be fastened to the exposed portion of the nail 110 ), A cap 130 which is fastened to form a space in the protruding portion of the pressure plate 120, and a support nut 140 which is fixed to the exposed portion of the nail 110 by pressing the cap 130. Configure.

상기 네일(110)은 후단에 라이너스크류(111)와 여기에 결합하는 너트(112)를 구비한다.The nail 110 has a liner screw 111 and a nut 112 coupled thereto at a rear end thereof.

여기서 네일(110)은 네일(110)을 한정하는 것이 아니며 각종 앵커나 와이어 등을 사용하여도 무방하다.Here, the nail 110 is not limited to the nail 110, and various anchors or wires may be used.

상기 지압판(120)은 중앙에 센터공(121)을 형성하고 여기에 네일(110)의 노출부분을 끼워 너트(112)의 체결로 고정되게 한다.The acupressure plate 120 forms a center hole 121 in the center thereof, and the exposed portion of the nail 110 is fitted thereto to be fixed by the fastening of the nut 112.

여기서 지압판(120)의 내부 측에는 통상의 시멘트몰탈 흐름방지캡(도시하지 않음) 등을 구비하여 사용할 수 도 있다.Here, the inner side of the pressure plate 120 may be provided with a conventional cement mortar flow preventing cap (not shown).

상기 캡(130)은 지압판(120)이 결합된 노출부분을 공간이 형성되게 감싸면서 시공면(100)에 밀착되게 함이 바람직하다.The cap 130 is preferably in close contact with the construction surface 100 while surrounding the exposed portion combined with the pressure plate 120 to form a space.

여기서 캡(130)의 중앙에는 센터공(131)을 형성하고, 외주연에는 주름부(132)를 형성한다.Here, the center hole 131 is formed at the center of the cap 130, and the pleats 132 are formed at the outer circumference.

나아가 캡(130)은 단부를 삽입하는 환형의 삽입홈(102)을 시공면(100)의 천공홀(101)을 중심으로 형성한다.Furthermore, the cap 130 forms an annular insertion groove 102 for inserting an end portion with respect to the drilling hole 101 of the construction surface 100.

상기 지지너트(140)는 캡(130)의 센터공(131)에 삽입되어 네일(110)에 결합된 라이너스크류(111)에 체결하도록 하되 캡(130)의 상면을 가압하는 누름판(141)을 형성한다.The support nut 140 is inserted into the center hole 131 of the cap 130 to be fastened to the liner screw 111 coupled to the nail 110, but presses the pressing plate 141 to press the upper surface of the cap 130. Form.

이러한 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention as follows.

먼저, 시공하고자 하는 위치에 착암기 또는 파쇄기 등을 이용하여 천공홀(101)을 뚫은 다음 코어드릴을 이용하여 천공홀(101)의 외각에 환형의 삽입홈(102)을 형성시킨다.First, a drill hole 101 is drilled using a rock drill or a crusher at a location to be constructed, and then an annular insertion groove 102 is formed at an outer surface of the drill hole 101 using a core drill.

이러한 상태에서 네일(110)을 천공홀(101)에 완전 삽입한다.In this state, the nail 110 is completely inserted into the drilling hole 101.

이때 네일(110)에는 통상의 간격유지구(도시하지 않음) 등을 결합하여 삽입한다.At this time, the nail 110 is inserted into a combination of the usual spacing (not shown).

네일(110)의 삽입이 완료되면 네일(110)의 노출부분에 지압판(120)의 센터공(121)을 끼우고 네일(110)의 외주연에 라이너스크류(111)를 밀착시킨 상태에서 너트(112)를 체결하여 지압판(120)이 가압되도록 한다.When the insertion of the nail 110 is completed, the center hole 121 of the acupressure plate 120 is inserted into the exposed portion of the nail 110, and the nut (in the state in which the liner screw 111 is in close contact with the outer circumference of the nail 110. 112 to tighten the pressure plate 120 is pressed.

지압판(120)의 체결이 완료되면 캡(130)을 단부를 시공면(100)에 형성된 삽입홈(102)에 끼우고 센터공(131)을 통하여 시멘트몰탈(150)을 천공홀(101)의 내부에서 캡(130)의 내부까지 주입하여 그라우팅 한다.When the fastening of the pressure plate 120 is completed, the cap 130 is inserted into the insertion groove 102 formed in the construction surface 100, and the cement mortar 150 is formed through the center hole 131. The grout is injected from the inside to the inside of the cap 130.

여기서 그라우팅이 용이하도록 통상의 시멘트몰탈(150) 주입호스와 공기호스(도시하지 않음) 등을 이용할 수도 있다.Here, a conventional cement mortar 150 injection hose and an air hose (not shown) may be used to facilitate grouting.

그라우팅이 완료되면 캡(130)의 센터공(131)을 통하여 지지너트(140)를 네일(110)에 결합된 라이너스크류(111)에 체결한다.When the grouting is completed, the support nut 140 is fastened to the liner screw 111 coupled to the nail 110 through the center hole 131 of the cap 130.

이때 지지너트(140)에 형성된 누름판(141)이 캡(130)을 가압하여 갭(130)을 완전하게 고정시키므로 캡(130) 내부에 충진된 시멘트몰탈(150)이 외부로 흘러나오는 것을 방지하게 된다.At this time, the pressing plate 141 formed on the support nut 140 presses the cap 130 to completely fix the gap 130, thereby preventing the cement mortar 150 filled in the cap 130 from flowing out. do.

따라서 주입된 시멘트몰탈(150)이 일정기간 양생과정을 거쳐 체적이 줄어들더라도 캡(130)에 충진된 시멘트몰탈(150)이 보충하게 되므로 한번의 그라우팅으로 작업이 완료되고 이로 인하여 공사기간을 단축시킬 수 있을 뿐만 아니라 작업의 효율성을 향상시킬 수 있는 것이다.Therefore, even if the injected cement mortar 150 is reduced in volume through a curing process for a certain period of time, the cement mortar 150 filled in the cap 130 is replenished, thereby completing the work by one grouting, thereby shortening the construction period. Not only can you improve your work efficiency.

이상에서 살펴본 바와 같이, 본 발명의 그라우팅이 용이한 네일의 고정구조는 천공홀(101)에 삽입하는 네일(110)과, 상기 네일(110)의 노출부분에 체결하는 지압판(120)과, 상기 지압판(120)의 돌출부분에 공간이 형성되게 체결되는 캡(130), 및 상기 네일(110)의 노출부분에 체결하여 캡(130)을 가압하여 고정시키는 지지너트(140)로 구성하므로 천공홀에 한번의 그라우팅으로 시멘트 몰탈 등의 양생이 완료되도록 하여 공사기간을 단축하고 제 작업에 따른 번거로움을 해소할 뿐만 아니라 인력의 낭비를 해소할 수 있을 뿐만 아니라 한번의 그라우팅으로 완전하게 양생시키므로 강도를 향상시킬 수 있는 효과가 있다. As described above, the nail fixing structure of the present invention is easy to grout the nail 110 to be inserted into the drilling hole 101, the pressure plate 120 to be fastened to the exposed portion of the nail 110, and Drill hole because it consists of a cap 130 is fastened to form a space in the protruding portion of the acupressure plate 120, and a support nut 140 is fixed to the exposed portion of the nail 110 by pressing the cap 130 It is possible to shorten the construction period by eliminating cement mortar by one grout at once, and to eliminate the inconvenience of work, as well as to eliminate the waste of manpower, and to completely cure by one grouting. There is an effect that can be improved.

도 1 은 본 발명에 따른 그라우팅이 용이한 네일의 고정구조를 설명하기 위한 분해사시도.1 is an exploded perspective view for explaining the fixing structure of the nail easy to grout according to the present invention.

도 2 는 본 발명에 따른 그라우팅이 용이한 네일의 고정구조를 설명하기 위한 단면도.Figure 2 is a cross-sectional view for explaining the fixing structure of the nail easy to grout according to the present invention.

*도면의 주요 부분의 부호의 설명*Explanation of symbols of main part of drawing

100: 시공면 101: 천공홀100: construction surface 101: drilling hole

102: 삽입홈 110: 네일 102: insertion groove 110: nail

111: 라이너스크류 112: 너트 111: liner screw 112: nut

120: 지압판 121: 센터공 120: acupressure plate 121: center ball

130: 캡 131: 센터공130: Cap 131: Center ball

132: 주름부 140: 지지너트132: wrinkle portion 140: support nut

141: 누름판 150: 시멘트몰탈141: pressing plate 150: cement mortar

Claims (3)

그라우팅이 용이한 네일의 고정구조는 천공홀(101)에 삽입하는 네일(110)과, The fixing structure of the nail that is easy to grout is the nail 110 to be inserted into the drilling hole 101, 상기 네일(110)의 노출부분에 체결하는 지압판(120)과, Acupressure plate 120 is fastened to the exposed portion of the nail 110, 상기 지압판(120)의 돌출부분에 공간이 형성되게 체결되는 캡(130), 및 Cap 130 is fastened so that a space is formed in the protruding portion of the pressure plate 120, and 상기 네일(110)의 노출부분에 체결하여 캡(130)을 가압하여 고정시키는 지지너트(140)로 구성한 것을 특징으로 하는 그라우팅이 용이한 네일 고정구조.A grouting nail fixing structure, characterized in that consisting of a support nut 140 is fastened to the exposed portion of the nail 110 by pressing the cap 130 to be fixed. 제 1 항에 있어서,The method of claim 1, 상기 캡(130)은 지압판(120)이 결합된 노출부분을 공간이 형성되게 감싸면서 시공면(100)에 밀착되게 하되, 중앙에는 센터공(131)을 형성하고, 외주연에는 주름부(132)를 형성하며, 시공면(100)에는 단부를 삽입하는 삽입홈(102)을 구비하여 구성한 것을 특징으로 하는 그라우팅이 용이한 네일 고정구조.The cap 130 wraps the exposed portion combined with the pressure plate 120 to form a space to be in close contact with the construction surface 100, the center hole 131 is formed in the center, the outer periphery wrinkles 132 ), The construction surface 100 is easy to grout nail fixing structure, characterized in that it comprises an insertion groove 102 for inserting the end. 제 1 항에 있어서, The method of claim 1, 상기 지지너트(140)는 캡(130)의 센터공(131)에 삽입되어 네일(110)에 결합된 라이너스크류(111)에 체결하도록 하되 캡(130)의 상면을 가압하는 누름판(141)을 형성하여 구성한 것을 특징으로 하는 그라우팅이 용이한 네일 고정구조.The support nut 140 is inserted into the center hole 131 of the cap 130 to be fastened to the liner screw 111 coupled to the nail 110, but presses the pressing plate 141 to press the upper surface of the cap 130. Easy nail fixing structure, characterized in that formed and configured.
KR1020030055271A 2003-08-11 2003-08-11 Nail fixing structure for easy grouting Expired - Fee Related KR100581381B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100908085B1 (en) * 2009-01-13 2009-07-16 (주)대한지오이엔씨 Soil pressure nail structure and soil reinforcement method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100908085B1 (en) * 2009-01-13 2009-07-16 (주)대한지오이엔씨 Soil pressure nail structure and soil reinforcement method

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