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1. WO2020197061 - SUBTERRANEAN UNDERWATER STRUCTURE USING GEOTEXTILE MOLD AND METHOD FOR CONSTRUCTING SAME

Publication Number WO/2020/197061
Publication Date 01.10.2020
International Application No. PCT/KR2020/000299
International Filing Date 08.01.2020
IPC
E02D 5/34 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
5Bulkheads, piles, or other structural elements specially adapted to foundation engineering
22Piles
34Concrete or concrete-like piles cast in position
E02D 7/00 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
7Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds
E02D 31/00 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
31Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
CPC
E02D 2200/13
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2200Geometrical or physical properties
13having at least a mesh portion
E02D 2250/0007
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2250Production methods
0007using a mold
E02D 2250/0023
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2250Production methods
0023Cast, i.e. in situ or in a mold or other formwork
E02D 2300/002
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2300Materials
0004Synthetics
0018Cement used as binder
002Concrete
E02D 2300/0034
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2300Materials
0026Metals
0029Steel; Iron
0034in wire form
E02D 2300/0085
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
2300Materials
0085Geotextiles
Applicants
  • 박서진 PARK, Seo Jin [KR]/[KR]
Inventors
  • 박서진 PARK, Seo Jin
Agents
  • 이재완 LEE, Jae Wan
Priority Data
10-2019-003337125.03.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) SUBTERRANEAN UNDERWATER STRUCTURE USING GEOTEXTILE MOLD AND METHOD FOR CONSTRUCTING SAME
(FR) STRUCTURE SOUS-MARINE SOUTERRAINE UTILISANT UN MOULE GÉOTEXTILE ET SON PROCÉDÉ DE CONSTRUCTION
(KO) 토목섬유거푸집을 이용한 지하의 수중구조물과 그 시공방법
Abstract
(EN)
The present invention relates to installation of a subterranean underwater structure using a geotextile mold made of geotextiles and a method for constructing same. The purpose of the present invention is to secure safety in the foundation of a cast-in-place pile, which requires a high level of support force, thereby enhancing the durability of the structure, and to prevent contact between concrete and groundwater by using a geotextile mold, thereby preventing contamination of groundwater by carcinogens and securing safety of the structure. In relation to the configuration of the present invention, the subterranean underwater structure using a geotextile mold comprises: a casing for protecting an excavation hollow wall such that an excavation hole does not collapse in the process of forming a concrete pile; a geotextile mold for exhibiting a tensile strength enough to endure the load of concrete after the casing is drawn, the geotextile mold being formed such that the structure is molded according to the specification, the geotextile mold blocking contact with groundwater and surrounding the concrete outer wall, thereby playing the role of a mold; a spring ring attached to the lower end of the geotextile mold in the circumferential direction such that the geotextile mold and the casing are forced against each other, and when the casing is drawn during concrete casting, geotextiles are expanded and forced against the soil layer; a horizontal connection member for connecting an upper geotextile and a lower geotextile in the horizontal direction; a cylindrical rebar mesh formed inside the geotextiles in a lattice type and made of a thick rebar or a steel frame member; and a vertical connection member for connecting the geotextiles in the vertical direction so as to secure a lap-joint length enough to support soil outside the excavation hole with a friction force.
(FR)
La présente invention concerne l'installation d'une structure sous-marine souterraine utilisant un moule géotextile constitué de géotextiles et son procédé de construction. L'objectif de la présente invention est d'assurer la sécurité dans la fondation d'un pieu coulé sur place, ce qui nécessite un niveau élevé de force de support, ce qui permet d'améliorer la durabilité de la structure, et d'empêcher un contact entre le béton et les eaux souterraines à l'aide d'un moule géotextile, ce qui empêche la contamination des eaux souterraines par des produits carcinogènes et assure la sécurité de la structure. En ce qui concerne la configuration de la présente invention, la structure sous-marine souterraine utilisant un moule géotextile comprend : un tubage pour protéger une paroi creuse d'excavation de telle sorte qu'un trou d'excavation ne s'effondre pas dans le processus de formation d'un pieu en béton ; un moule géotextile pour présenter une résistance à la traction suffisante pour endurer la charge de béton après que le tubage est tiré, le moule géotextile étant formé de telle sorte que la structure est moulée selon la spécification, le moule géotextile bloquant un contact avec des eaux souterraines et encerclant la paroi externe en béton, ce qui joue le rôle d'un moule ; une bague de ressort fixée à l'extrémité inférieure du moule géotextile dans la direction circonférentielle de telle sorte que le moule géotextile et le tubage sont poussés l'un contre l'autre, et lorsque le tubage est tiré pendant la coulée du béton, les géotextiles sont étendus et poussés contre la couche de sol ; un élément de raccordement horizontal pour raccorder un géotextile supérieur et un géotextile inférieur dans la direction horizontale ; une maille de barre d'armature cylindrique formée à l'intérieur des géotextiles selon un type à treillis et constituée d'une barre d'armature épaisse ou d'un élément de charpente en acier ; et un élément de raccordement vertical pour raccorder les géotextiles dans la direction verticale de façon à assurer une longueur de joint de recouvrement suffisante pour soutenir le sol à l'extérieur du trou d'excavation avec une force de frottement.
(KO)
본 발명은 토목섬유의 토목섬유거푸집을 이용한 지하의 수중구조물 설치와 그 시공방법에 관한 것으로서, 큰 지지력을 요구하는 현장타설말뚝 기초에 안전성을 확보하여 구조물의 내구성을 증진하며, 토목섬유거푸집을 이용하여 콘크리트와 지하수의 접촉을 막아 발암물질과 지하수의 오염을 예방하며, 구조물의 안전성을 확보하는 것이다. 그 구성으로 콘크리트 말뚝을 형성하는 과정에서 굴착공이 붕괴되지 않도록 굴착 공벽을 보호하는 케이싱; 상기 케이싱 인발후 콘크리트 하중에 견디는 인장강도를 발휘하고 구조물 성형이 규격에 맞게 형성되며, 지하수와 접촉을 차단하고, 콘크리트 외벽을 감싸 거푸집의 역할을 하는 토목섬유거푸집; 상기 토목섬유거푸집 하단에 원주방향으로 붙여서 토목섬유거푸집과 케이싱을 밀착시키고 콘크리트를 타설하면서 케이싱 인발시 토목섬유가 확장되어서 토사층과 밀착되도록 하는 용수철링; 상부 토목섬유과 하부 토목섬유을 수평방향으로 연결하는 수평연결부재; 상기 토목섬유 내부에 격자형으로 형성되고, 굵은 철근 또는 철골 부재로 제작한 원통형 철근망; 상기 토목섬유의 수직방향으로 연결하여 굴착공 외부의 토사와 마찰력으로 지지할 수 있는 충분한 겹이음 길이를 확보하는 수직연결부재; 를 포함하는 토목섬유거푸집을 이용한 지하 수중구조물로 이루어진다.
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