KR100477623B1 - Suppotrer wall sturcture of underground construction for building - Google Patents

Suppotrer wall sturcture of underground construction for building Download PDF

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Publication number
KR100477623B1
KR100477623B1 KR1020040110317A KR20040110317A KR100477623B1 KR 100477623 B1 KR100477623 B1 KR 100477623B1 KR 1020040110317 A KR1020040110317 A KR 1020040110317A KR 20040110317 A KR20040110317 A KR 20040110317A KR 100477623 B1 KR100477623 B1 KR 100477623B1
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South Korea
Prior art keywords
steel frame
underground structure
shaped steel
waterproof mortar
underground
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KR1020040110317A
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Korean (ko)
Inventor
강신만
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(주) 파주서원종합건축사사무소
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Priority to KR1020040110317A priority Critical patent/KR100477623B1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0061—Production methods for working underwater
    • E02D2250/0069—Welding

Abstract

Poor ground buttress installation structure of a construction underground structure is provided to complement lowering of durability and water leakage and to stabilize the underground structure, by installing a buttress to the outside of poor ground and preventing sidewalls from being broken by sand buoyancy followed by rise of underground water. In poor ground buttress installation structure of a construction underground structure(100), a buttress(700) is installed to the outside of the construction underground structure and defect of the underground structure followed by underground water produced from poor ground(S) is prevented. AN L-shaped steel frame is adhered closely to the outside of the underground structure in a state of having a waterproof sheet interposed. A reinforcing beam is welded to a bent part of the L-shaped steel frame. A steel reinforcing is arranged between the lower part of the L-shaped steel frame and the reinforcing beam and tempered concrete is poured to form a concrete-poured layer. A waterproof mortar insertion groove where the concrete-poured layer is not formed is formed to a vertical part of the L-shaped steel frame. An anchor bolt passes through the inside of the underground structure via a base plate and is fastened to the waterproof mortar insertion groove of the L-shaped steel frame. Waterproof mortar is poured in the waterproof mortar insertion groove of the L-shaped steel frame, to prevent inflow of underground water.

Description

건축 지하 구조물 연약지반 부벽 설치 구조{SUPPOTRER WALL STURCTURE OF UNDERGROUND CONSTRUCTION FOR BUILDING}Building Underground Structure Soft Ground Buttress Installation Structure {SUPPOTRER WALL STURCTURE OF UNDERGROUND CONSTRUCTION FOR BUILDING}

본 발명은, 건축 지하 구조물 연약지반 부벽 설치 구조에 관한 것으로서, 특히 건축 기초 공사중 연약지반으로 토사 부력 위험성이 있는 지하 주차장 또는 지하 구조물의 안전을 확보할 수 있도록 지하 구조물의 외부에 부벽을 설치하는 건축 지하 구조물 연약지반 부벽 설치 구조에 관한 것이다.The present invention relates to a structure for installing soft foundation buttresses for building underground structures, and in particular, a construction for installing buttresses on the exterior of an underground structure so as to secure safety of underground parking lots or underground structures having a risk of earth and sand buoyancy in the soft foundations during building foundation construction. It relates to the underground structure soft ground buttress installation structure.

일반적으로 건축 지하 구조물은, 연약 지반의 지중에 시공되는 경우, 지하 구조물의 외측면에서 다량으로 발생되는 지하수 토사 부력에 의해 크랙이 발생되고 그로 인해 누수의 문제가 발생된다.In general, when the building underground structure is constructed in the ground of the soft ground, cracks are generated by the groundwater soil buoyancy generated in a large amount on the outer surface of the underground structure, thereby causing a problem of leakage.

또한, 상기 지하 구조물(10)에 발생되는 크랙은 점차적으로 크게 형성되어 도시된 도면과 같이, 지하 주차장으로 이용되는 지하 구조물의 측벽(12)을 파손시키는 문제점도 있어 전체적인 지하 구조물의 내구성을 저하시키는 문제점이 있다.In addition, the cracks generated in the underground structure 10 are gradually formed to be large, as shown in the figure, there is a problem that damages the side wall 12 of the underground structure used as the underground parking lot to reduce the durability of the overall underground structure There is a problem.

본 발명은 상술한 문제점을 감안하여 안출한 것으로, 본 발명은, 연약 지반의 외측으로 부벽을 설치하여 지하수의 상승에 따른 토사 부력에 의해 지하 구조물의 측벽을 파손시키는 문제점을 해결하여 누수 및 내구성 저하의 문제점을 보완하게 할 수 있고, 따라서 지하 구조물을 안정화시킬 수 있도록 하는 건축 지하 구조물 연약지반 부벽 설치 구조를 제공하는 것을 그 목적으로 한다.The present invention has been made in view of the above-described problems, the present invention, by installing a sub-wall outside the soft ground to solve the problem of damage to the side wall of the underground structure by soil buoyancy due to the rise of the groundwater to reduce the leakage and durability It is an object of the present invention to provide a soft underground subwall installation structure of the building underground structure that can make up for the problem, and thus to stabilize the underground structure.

본 발명은 상술한 목적 달성을 위해, 본 발명은, 연약 지반의 지중에 매설되는 건축 지하 구조물에 있어서, 상기 지하 구조물에는 외측에 부벽이 설치되어 연약 지반에서 발생되는 지하수에 따른 지하 구조물의 하자가 예방되는 한편, 상기 지하 구조물에는 외측면에 방수 시트를 사이에 L형 철골이 밀착되고, 그 L형 철골의 절곡부에 보강빔이 용접되며, L형 철골의 하부와 보강빔의 사이에 철근이 배근되고 비빔 콘크리트가 타설되어 콘크리트 타설층이 형성되며, 상기 L형 철골에는 수직부에 콘크리트 타설층이 형성되지 않은 방수몰탈 삽입홈이 형성되고, 상기 지하 구조물에는 내측에 베이스 플레이트를 매개로 앵커 볼트가 관통되어 체결 너트로 L형 철골의 방수몰탈 삽입홈에 체결되며, 상기 L형 철골에는 방수몰탈 삽입홈에 방수 몰탈이 타설되어 지하수의 유입을 방지시키도록 설치됨을 특징으로 하는 건축 지하 구조물 연약지반 부벽 설치 구조를 제공한다.The present invention, in order to achieve the above object, the present invention, in the building underground structure buried in the ground of the soft ground, the underground structure is provided with a subwall on the outside of the underground structure according to the groundwater generated in the soft ground While being prevented, the underground structure is closely contacted with the L-shaped steel frame between the waterproof sheet on the outer surface, the reinforcement beam is welded to the bent portion of the L-shaped steel frame, and the reinforcing bar is provided between the lower portion of the L-shaped steel frame and the reinforcement beam. Reinforcement and bibim concrete is poured to form a concrete pour layer, the L-shaped steel frame is formed with a waterproof mortar insertion groove is not formed in the vertical portion of the concrete pour layer, the underground structure anchor bolt through the base plate inside Is penetrated and fastened to the waterproof mortar insertion groove of the L-shaped steel frame with a fastening nut, and the waterproof mortar is poured into the waterproof mortar insertion groove to the L-shaped steel frame. Provides a soft ground buttress installation structure of the building underground structure characterized in that it is installed to prevent the inflow of sewage.

이하, 첨부 도면을 참조하여 본 발명의 구성을 설명하기로 한다.Hereinafter, the configuration of the present invention with reference to the accompanying drawings.

도 2는 본 발명의 부벽이 지하 구조물에 설치된 상태를 나타내는 도면이고, 도 3은 본 발명의 부벽이 제작되는 상태를 나타내는 도면이다.2 is a view showing a state in which the sub-wall of the present invention is installed in the underground structure, Figure 3 is a view showing a state in which the sub-wall of the present invention is produced.

지하 구조물(100)의 외측 벽체에는 부벽(700)이 설치되어 지하 구조물을 지지하게 되는 한편, 상기 부벽(700)은, 전체적으로 L형 형태로 절곡된 사이에 콘크리트가 타설되고, 후방에 방수 몰탈(350)이 타설되어 지하 구조물(100)에 밀착된다.The subwall 700 is installed on the outer wall of the underground structure 100 to support the underground structure, while the subwall 700 is concrete-poured while being bent in an L-shape as a whole, and a waterproof mortar is provided at the rear thereof. 350 is poured and adhered to the underground structure 100.

상기 부벽(700)은, L형 철골(200)의 사이에 보강빔(230)이 경사지게 용접되고, 보강빔(230)과 L형 철골(200)의 하부에 철근(250)이 배근되며, 비빔 콘크리트(290)가 타설되어 L형 철골(200)의 후방에 방수몰탈 삽입홈(320)이 수직으로 형성되도록 콘크리트 타설층(300)이 형성된다.The sub-wall 700, the reinforcement beam 230 is welded obliquely between the L-shaped steel frame 200, the reinforcement 250 is disposed in the lower portion of the reinforcing beam 230 and the L-shaped steel frame 200, bibeam The concrete 290 is poured to form a concrete mortar layer 300 so that the waterproof mortar insertion groove 320 is vertically formed at the rear of the L-shaped steel frame 200.

상기 L형 철골(200)과 보강빔(230)에는 그 사이와 하부에 철근(250)이 배근되고 콘크리트(290)가 타설되어 견고하게 L형 철골(200)을 지지할 수 있도록 콘크리트 타설층(300)이 형성된다.Reinforcement 250 is disposed between and below the L-shaped steel frame 200 and the reinforcement beam 230, and the concrete 290 is poured so that the concrete casting layer can be firmly supported by the L-shaped steel frame 200 ( 300) is formed.

상기 부벽(700)은, 방수몰탈 삽입홈(320)에 지하 구조물(100)의 벽체를 관통하는 앵커 볼트(400)가 체결 너트(420)로 체결되고, 상기 앵커 볼트(400)에 베이스 플레이트(500)가 삽입되어 지하 구조물(100)의 전방에 설치되며, L형 철골(200)과 지하 구조물(100)이 밀착시 사이에 방수 시트(370)가 설치되고, 상기 L형 철골(200)의 방수몰탈 삽입홈(320)에는 방수 몰탈(350)이 타설되어 마감된다.The sub-wall 700 is anchor bolt 400 penetrating the wall of the underground structure 100 to the waterproof mortar insertion groove 320 is fastened with a fastening nut 420, the base plate ( 500 is inserted and installed in front of the underground structure 100, the waterproof sheet 370 is installed between the L-shaped steel frame 200 and the underground structure 100 in close contact, the L-shaped steel frame 200 Waterproof mortar 350 is poured into the waterproof mortar insertion groove 320 is finished.

상기 베이스 플레이트(500)는, 직사각형 형태로, 모서리에 다수개의 앵커홀(510)이 형성되어 앵커 볼트(400)가 L형 철골(200)에 체결 너트(420)로 체결시 유동을 방지하게 된다.The base plate 500 has a rectangular shape, and a plurality of anchor holes 510 are formed at corners to prevent flow when the anchor bolt 400 is fastened to the L-shaped steel frame 200 with the fastening nut 420. .

즉, 상기 L형 철골(200)은, H 및 I형 철골이 이용되는 바, 수직면에 상,중,하단으로 다수개의 앵커홀(210)이 형성되고, 상기 방수 시트(370)는, L형 철골(200)에 형성된 동일 위치에 다수개의 앵커홀(372)이 형성되어 앵커 볼트(400)가 관통되어 체결 너트(420)로 체결되게 된다.That is, the L-shaped steel frame 200, the H and I-type steel frame is used, a plurality of anchor holes 210 are formed in the vertical, upper, middle, and bottom, the waterproof sheet 370, L-shaped A plurality of anchor holes 372 are formed at the same position formed in the steel frame 200 so that the anchor bolt 400 is penetrated and fastened to the fastening nut 420.

상술한 구성에서 알 수 있듯이, 지하 구조물(100)에는 외측에 부벽(700)이 설치되는 관계로, 연약 지반(S)에서 발생되는 지하수에 의해 지하 구조물(100)이 부상되는 문제점을 최소화할 수 있게 되고, 부벽(700)이 설치된 방수 몰탈 삽입홈(320)에 방수 몰탈(350)이 타설되어 지하수가 지하 구조물(100)의 내측으로 유입되는 것을 방지하게 된다.As can be seen in the above-described configuration, the substructure 700 is installed on the outside of the underground structure 100, and the problem that the underground structure 100 is floated by the groundwater generated in the soft ground S can be minimized. In addition, the waterproof mortar 350 is poured into the waterproof mortar insertion groove 320 in which the subwall 700 is installed to prevent the groundwater from being introduced into the underground structure 100.

상술한 구성에 따른 본 발명의 효과를 하기에 설명한다.The effects of the present invention according to the above-described configuration will be described below.

본 발명의 부벽의 설치에 따라, 연약 지반에서 발생되는 지하수에 의해 토사가 상승되어 함께 지하 구조물에 영향을 주던 외적 요인을 해결하게 되므로 지하 구조물의 누수의 문제 및 내구성 저하의 문제를 해결할 수 있는 효과를 갖는다.According to the installation of the buttress of the present invention, the soil is raised by the groundwater generated in the soft ground to solve the external factors affecting the underground structure together, so that the problem of leakage of the underground structure and the problem of degradation of durability Has

또한, 상기 부벽의 설치에 따라, 지하 구조물이 안정화되는 효과를 갖는다.In addition, according to the installation of the sub-wall, the underground structure has the effect of stabilizing.

도 1은 일반적인 건축 지하 구조물의 문제점을 나타내는 도면.1 illustrates a problem of a typical building underground structure.

도 2는 본 발명의 부벽이 지하 구조물에 설치된 상태를 나타내는 도면.2 is a view showing a state in which the buttress of the present invention installed in the underground structure.

도 3은 본 발명의 부벽이 제작되는 상태를 나타내는 도면.3 is a view showing a state in which the buttress of the present invention is produced.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

100: 지하 구조물 200: L형 철골100: underground structure 200: L-shaped steel frame

230: 보강빔 300: 콘크리트 타설층230: reinforcement beam 300: concrete pouring layer

350: 방수 몰탈 370: 방수 시트350: waterproof mortar 370: waterproof sheet

400: 앵커 볼트 500: 베이스 플레이트400: anchor bolt 500: base plate

700: 부벽 S : 연약 지반700: buttress S: Soft ground

Claims (1)

연약 지반의 지중에 매설되는 건축 지하 구조물에 있어서, In the building underground structure buried in the ground of the soft ground, 상기 지하 구조물(100)에는 외측에 부벽(700)이 설치되어 연약 지반(S)에서 발생되는 지하수에 따른 지하 구조물(100)의 하자가 예방되는 한편, The substructure 700 is installed at the outer side of the underground structure 100 to prevent defects of the underground structure 100 according to the groundwater generated in the soft ground S, 상기 지하 구조물(100)에는 외측면에 방수 시트(370)를 사이에 두고 L형 철골(200)이 밀착되고, 그 L형 철골(200)의 절곡부에 보강빔(230)이 용접되며, L형 철골(200)의 하부와 보강빔(230)의 사이에 철근(250)이 배근되고 비빔 콘크리트(290)가 타설되어 콘크리트 타설층(300)이 형성되며, The underground structure 100 is in close contact with the L-shaped steel frame 200 between the waterproof sheet 370 on the outer surface, the reinforcement beam 230 is welded to the bent portion of the L-shaped steel frame 200, L Between the lower part of the steel frame 200 and the reinforcing beam 230, the reinforcing bar 250 is placed and the non-beam concrete 290 is poured to form a concrete pouring layer 300, 상기 L형 철골(200)에는 일측 수직부에 콘크리트 타설층(300)이 형성되지 않은 방수몰탈 삽입홈(320)이 형성되고, 상기 지하 구조물(100)에는 내측에 베이스 플레이트(500)를 매개로 앵커 볼트(400)가 관통되어 체결 너트(420)로 L형 철골(200)의 방수몰탈 삽입홈(320)에 체결되며, The L-shaped steel frame 200 is formed with a waterproof mortar insertion groove 320 is not formed in the concrete pour layer 300 on one vertical portion, the basement structure 500 through the base plate 500 on the inside Anchor bolt 400 is penetrated and fastened to the waterproof mortar insertion groove 320 of the L-shaped steel frame 200 with a fastening nut 420, 상기 L형 철골(200)에는 방수몰탈 삽입홈(320)에 방수 몰탈(350)이 타설되어 지하수의 유입을 방지시키도록 부벽(700)이 설치됨을 특징으로 하는 건축 지하 구조물 연약지반 부벽 설치 구조.In the L-shaped steel frame 200, the waterproof mortar 350 is installed in the waterproof mortar insertion groove 320 so that the subwall 700 is installed to prevent the inflow of groundwater.
KR1020040110317A 2004-12-22 2004-12-22 Suppotrer wall sturcture of underground construction for building KR100477623B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100726350B1 (en) 2005-11-15 2007-06-11 (주)삼성건업 Method for waterproofing and waterproofing structure using rubber sheets of self-adhesion type
KR102162806B1 (en) * 2020-02-10 2020-10-07 이진산 Precast culvert structure with seismic reinforcement structure and method for vibration of culvert structure using IoT sensor
CN114606974A (en) * 2022-03-23 2022-06-10 中国水利水电第三工程局有限公司 One-time pouring construction method for concrete of wall plate at bottom plate of pipe gallery on counterfort dock wall

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JPH0460022A (en) * 1990-06-28 1992-02-26 Okumura Corp Sheathing method and sheathing pile therefor
JPH04161616A (en) * 1990-10-26 1992-06-05 Ohbayashi Corp Structure coping with eccentricity
JPH0577321U (en) * 1991-05-10 1993-10-22 大成建設株式会社 Underground outer wall using PCa board
JPH0718685A (en) * 1993-07-06 1995-01-20 Kajima Corp Construction method for building underground wall
JPH10292377A (en) * 1997-04-11 1998-11-04 Takakon Kk Earth retaining wall

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JPH0460022A (en) * 1990-06-28 1992-02-26 Okumura Corp Sheathing method and sheathing pile therefor
JPH04161616A (en) * 1990-10-26 1992-06-05 Ohbayashi Corp Structure coping with eccentricity
JPH0577321U (en) * 1991-05-10 1993-10-22 大成建設株式会社 Underground outer wall using PCa board
JPH0718685A (en) * 1993-07-06 1995-01-20 Kajima Corp Construction method for building underground wall
JPH10292377A (en) * 1997-04-11 1998-11-04 Takakon Kk Earth retaining wall

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100726350B1 (en) 2005-11-15 2007-06-11 (주)삼성건업 Method for waterproofing and waterproofing structure using rubber sheets of self-adhesion type
KR102162806B1 (en) * 2020-02-10 2020-10-07 이진산 Precast culvert structure with seismic reinforcement structure and method for vibration of culvert structure using IoT sensor
CN114606974A (en) * 2022-03-23 2022-06-10 中国水利水电第三工程局有限公司 One-time pouring construction method for concrete of wall plate at bottom plate of pipe gallery on counterfort dock wall
CN114606974B (en) * 2022-03-23 2022-10-18 中国水利水电第三工程局有限公司 One-time pouring construction method for concrete of wall plate at bottom plate of pipe gallery on counterfort dock wall

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