WO2012044091A2 - Dispositif et procédé pour la construction d'une structure souterraine - Google Patents

Dispositif et procédé pour la construction d'une structure souterraine Download PDF

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Publication number
WO2012044091A2
WO2012044091A2 PCT/KR2011/007196 KR2011007196W WO2012044091A2 WO 2012044091 A2 WO2012044091 A2 WO 2012044091A2 KR 2011007196 W KR2011007196 W KR 2011007196W WO 2012044091 A2 WO2012044091 A2 WO 2012044091A2
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WO
WIPO (PCT)
Prior art keywords
horizontal
connecting member
horizontal structure
layer
temporary
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Application number
PCT/KR2011/007196
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English (en)
Korean (ko)
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WO2012044091A3 (fr
Inventor
김광만
윤상문
Original Assignee
(주)바로건설기술
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Publication of WO2012044091A2 publication Critical patent/WO2012044091A2/fr
Publication of WO2012044091A3 publication Critical patent/WO2012044091A3/fr

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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
    • E02D29/05—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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
    • E02D29/055—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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/388—Separate connecting elements
    • E04B2001/389—Brackets

Definitions

  • the present invention relates to an underground structure construction apparatus and a method, and more particularly, to an underground structure construction apparatus and a method for installing a temporary connection member that is adjustable in length to facilitate the installation of horizontal structures on each floor.
  • Applicable construction method has limitations. First, in large sites with large underground structures and deep excavation depths, it is necessary to support external forces such as earth pressure and hydraulic pressure acting on the wall, but the deformation is large as temporary steel support. Secondly, in the downtown area where buildings are densely located, this causes a large deformation of the retaining wall and damages to surrounding buildings due to the ground subsidence. Third, the excavation work and the construction work in the state exposed to the outside As a result, there is a problem of environment and civil complaints caused by noise, vibration, and dust, and fourth, there is a problem in that the construction period is lengthened since the permanent structure construction is sequentially performed after the construction of the temporary steel support.
  • Top down method and down method are used to solve the problem of the sticking method.
  • top-down method and the down-word method install a plurality of steel pillars and pile foundations extending thereafter, and install each layer structure while proceeding with excavation, a plurality of thin plates are inserted into the lower part of each layer structure. Therefore, it is difficult to adjust the horizontality of each layer structure because it uses a method of adjusting the horizontal and there is a problem that takes a lot of work time.
  • the object of the present invention devised in view of the above point is to provide an underground structure construction device and a method that can be easily installed and horizontal adjustment of the horizontal structure of each floor can be reduced cost and construction period.
  • Another object of the present invention consists of a structure for installing the horizontal structure of each layer while sequentially installing the temporary connecting member from the top to the lower direction, the underground structure having a feature that is easy to maintain the vertical state between the temporary connecting member and each layer horizontal structure To provide a construction device and construction method.
  • Underground structure construction apparatus and method for achieving the object of the present invention as described above is an earthen wall formed on the circumferential surface of the excavated portion to be excavated to install the underground structure; A plurality of center piles to be removable to the excavation portion; A first horizontal structure installed at an upper end of the center pile to be supported by the center pile; Each layer horizontal structure is installed to form a layer to the bottom surface of the excavated portion in the bottom direction of the first horizontal structure to support the earth wall; One side is connected to the first-level horizontal structure of the neighboring top or the each-level horizontal structure so that the horizontal structure of each layer can be connected sequentially from the first-level horizontal structure, and the other side is connected to the horizontal-level structure of the neighboring bottom.
  • Hypothesis connecting member adjustable in length; And a bracket mounted to the center pile so as to support each layer horizontal structure connected to the other side of the temporary connecting member. Including, by adjusting the length of the hypothesis connecting member to install the bracket in a state of adjusting the horizontal level of each layer horizontal structure characterized in that to fix the horizontal structure of each layer.
  • the hypothesis connecting member is a turn buckle is mounted on the middle portion is adjusted in length.
  • both ends of the temporary connecting member are fixed by welding and bolting.
  • the hypothesis connecting member is provided with at least one set of hypothesis connecting members paired with three or more.
  • each layer is formed of four unit rods in the shape of a grid, the connecting member to which the temporary connecting member is connected; And a coupling member connecting the connection members to each other.
  • each layer is made of a structure in which two unit rods cross each other, the connecting member is connected to the hypothesis connecting member; And a coupling member connecting the connection members to each other.
  • the reinforced concrete slab is further included in each horizontal structure.
  • the center pile is installed close to the position at which the temporary connecting member is installed so as not to overlap the temporary connecting member mounted on the horizontal structure and the first horizontal structure.
  • An underground structure construction method for installing an underground structure construction apparatus as described above The first stage horizontal structure installation step of connecting the first horizontal structure consisting of the horizontal structure of each layer to the upper end of the center pile; A temporary connection member installation step of fixing one side to the first horizontal structure so as to connect the horizontal structures of each layer while excavating an excavation portion; Connecting each layer horizontal structure to serve as a retaining wall support to the other side of the temporary connecting member installation step, and installing the horizontal layer adjusting the horizontal state by adjusting the length of the temporary connecting member; And a bracket installation step of installing a bracket for supporting the horizontal structure of each layer on the center pile when the horizontal state adjustment of the horizontal layer of each layer is completed. Is made of.
  • each layer connection member installation step of installing by connecting the connection member to the other end of the temporary connection member A length adjusting step of adjusting a length of the temporary connecting member by adjusting a fastening amount of a turnbuckle mounted at an intermediate portion of the temporary connecting member so that the level of the connecting member can be adjusted in a state where the connecting member is installed; And a coupling member installation step of installing coupling members connecting each of the connection members.
  • the hypothetical connecting member is provided with a set of hypothetical connecting member pairing three or more so that the connecting member can support three or more points.
  • the earth retaining wall installation step of installing the earth retaining wall on the circumferential surface of the excavated portion to install the underground structure; And entering the center file so that the plurality of center files can be removed at a point to be excavated. Then, the first stage structure installation step is performed.
  • the temporary connection member dismantling step of removing the temporary connecting member before the reinforced concrete slab is installed.
  • the underground structure construction apparatus and the construction method according to the present invention have an effect of shortening the construction period since the installation and horizontal adjustment of horizontal structures of each floor are easy by using a temporary connection member.
  • FIG. 1 is a cross-sectional view showing an underground structure building apparatus according to an embodiment of the present invention
  • 2 to 10 is a state diagram showing the process of construction of the underground structure building apparatus
  • FIG. 2 is a state diagram showing a state in which the center file is installed
  • 3 is a state diagram showing a state in which the bracket is installed in the center file
  • FIG. 4 is a state diagram showing a state in which the first stage horizontal structure is installed
  • FIG. 5 is a state diagram illustrating a state in which a temporary connection member is installed and a connection member of each horizontal structure is connected;
  • Figure 6 is a state diagram showing a state in which a bracket for supporting the connection member of the horizontal structure of each layer is installed
  • FIG. 7 is a state diagram showing a state in which the installation of the horizontal structure of each layer is completed and the temporary connection member is removed;
  • FIG. 9 is a state diagram showing a state in which the permanent structure pillar is installed.
  • FIG. 10 is a state diagram showing a state in which the center file is removed and construction is completed.
  • Underground structure construction apparatus and method for achieving the object of the present invention as described above is an earthen wall formed on the circumferential surface of the excavated portion to be excavated to install the underground structure; A plurality of center piles to be removable to the excavation portion; A first horizontal structure installed at an upper end of the center pile to be supported by the center pile; Each layer horizontal structure is installed to form a layer to the bottom surface of the excavated portion in the bottom direction of the first horizontal structure to support the earth wall; One side is connected to the first-level horizontal structure of the neighboring top or the each-level horizontal structure so that the horizontal structure of each layer can be connected sequentially from the first-level horizontal structure, and the other side is connected to the horizontal-level structure of the neighboring bottom.
  • Hypothesis connecting member adjustable in length; And a bracket mounted to the center pile so as to support each layer horizontal structure connected to the other side of the temporary connecting member. Including, by adjusting the length of the hypothesis connecting member to install the bracket in a state of adjusting the horizontal level of each layer horizontal structure characterized in that to fix the horizontal structure of each layer.
  • FIG. 1 is a cross-sectional view showing an underground structure construction apparatus according to an embodiment of the present invention
  • Figure 2 to Figure 10 is a state diagram showing the process of construction of the underground structure construction apparatus
  • Figure 2 shows a state in which the center pile is installed 1 is a state diagram
  • Figure 3 is a state diagram showing a state in which the bracket is installed in the center pile
  • Figure 4 is a state diagram showing a state in which the first stage horizontal structure is installed
  • Figure 5 is a temporary connection member is installed and the connection of the horizontal structure of each layer 6 is a state diagram illustrating a state in which members are connected
  • FIG. 6 is a state diagram illustrating a state in which a bracket for supporting a connecting member of each layer horizontal structure is installed
  • FIG. 7 is a state in which the installation of each layer horizontal structure is completed and the temporary connecting member is removed.
  • 8 is a state diagram showing a state in which a reinforced concrete foundation is installed, and
  • FIG. 9 shows a state in which a permanent structural column is installed.
  • 10 is a state diagram showing a state in which the center pile is removed and construction is completed.
  • an underground structure building apparatus includes a soil wall 10 formed by being pressed along the circumferential surface of the excavation portion, and a plurality of center piles 20 to be removed to the excavation portion.
  • the first stage horizontal structure 30 is installed at the upper end of the center pipe 20 to support the earth pressure of the retaining wall 10, and fixed to the first stage horizontal structure 30 and extends downward
  • the hypothesis connecting member 40 is adjustable in length, the hypothesis connecting member 40 is supported on the end and consists of a horizontal structure 50 of each layer supporting the retaining wall 10 together with the first horizontal structure 30, the hypothesis
  • the connection member 40 and each layer horizontal structure 50 is sequentially installed in accordance with the depth to be excavated to form an underground floor. And the installation of each layer horizontal structure 50 is completed and the permanent structure pillar 80 is removed and installed to remove the temporary connection member 40 is further included.
  • the center pile 20 is formed in a shape of entering into more than the depth to be excavated.
  • the section steel and the section steel to be described later include all of the general structure used as a building frame, such as H beam, steel pipe and square tube.
  • the center pile 20 has a permanent structure so as not to overlap with the permanent structural column 80 installed at a position capable of stably supporting the horizontal structure 50 and the first stage horizontal structure 30 after removing the center pile 20. It is installed at a position close to the pillar (80).
  • the center pile 20 is provided with a bracket 21 protruding to support the first horizontal structure 30 or each layer horizontal structure 50.
  • the first stage horizontal structure 30 and each layer horizontal structure 50 is composed of a permanent structure.
  • the first stage horizontal structure 30 and each layer horizontal structure 50 is made of a section steel and are bonded to each other by bolting or welding.
  • the first stage horizontal structure 30 is composed of a connecting member 32 for connecting the connecting member 31 and each connecting member 31.
  • the connecting member 31 has a structure in which four unit rods form a lattice shape, and the temporary connecting member 40 is suspended.
  • Permanent structural column 80 is most preferably installed at the center of the connecting member (31).
  • the connecting member 31 is most preferably arranged in a lattice shape, but the two unit rods are made to intersect with each other, and may be configured in a structure in which the permanent structural pillars 80 are installed at the crossing portions.
  • each layer horizontal structure 50 is composed of a connecting member 51 and a connecting member 52 for connecting each connecting member 51.
  • the connecting member 51 has a structure in which four unit rods form a lattice shape, and is suspended from the temporary connecting member 40.
  • Permanent structural column 80 is most preferably installed at the center of the connecting member (51).
  • the connecting member 51 is also most preferably arranged in a lattice shape, but may be configured such that the two unit rods cross each other, and the permanent structural pillar 80 is installed at the crossing portion.
  • Hypothesis connecting member 40 is installed by connecting each layer horizontal structure 50 sequentially from the first stage horizontal structure (30). That is, one side is connected to the first stage horizontal structure 30 or each layer horizontal structure 50 of the neighboring top and the other side is connected to the horizontal structure 50 of each layer neighboring bottom and turnbuckle in the middle to enable the length adjustment ( 41) is mounted. Both ends of the hypothetical connecting member 40 is preferably fixed by welding and bolting, but not limited to welding or bolting fastening method, but also fixed using a variety of methods commonly used to connect steel in general. can do. In addition, the hypothesis connecting member 40 is preferably provided with at least one set of hypothesis connecting member paired three or more. Hypothesis connecting member 40 is made of a long rebar or made of a wire.
  • the bracket 21 is installed in a state in which the horizontal level of each horizontal structure 50 is adjusted to fix each horizontal structure 50.
  • the method of adjusting the length of the hypothesis connecting member 40 is not limited to the method using the turn buckle, but other methods can be used, but it is most preferable to use the turnbuckle 41.
  • Hypothesis horizontal structure is made of a structure for supporting the retaining wall 10 with a section steel so as to withstand earth pressure across the excavation hole, such as each horizontal structure (50). Hypothesis horizontal structures are not permanent structures but structures that are later dismantled.
  • Reinforced concrete slabs are installed in the first stage horizontal structure 30 or each layer horizontal structure 50.
  • Reinforced concrete slab 11 is formed of a rim reinforcement member 12 for reinforcing the edge portion of each layer horizontal structure 50 or the first stage horizontal structure 30 made of reinforced steel with reinforced concrete by a predetermined width, the edge reinforcement member 12 ) Is filled between the coupling members (32, 52), or is formed of a structure that is filled on and between the cross-section of the first horizontal structure 30 or each layer horizontal structure (50).
  • Edge reinforcement member 12 is connected to the reinforcement member is reinforced with reinforced concrete between the coupling member (32, 52).
  • Edge reinforcement member 12 and the reinforcement member is formed on the upper surface of the shape forming the first stage horizontal structure 30 or each layer horizontal structure 50, between the first stage horizontal structure 30 or each layer horizontal structure 50 As shown in FIG. 5, the first stage horizontal structure 30 or each layer horizontal structure 50 is formed in a structure filled on and between the cross-sections. Edge reinforcement member 12 and the reinforcement member serves to evenly support the earth pressure generated in the retaining wall (10). In addition, when the reinforcing member is formed between the coupling member (32, 52) serves to prevent the deflection of the shape steel by reinforcing the strength of the shape steel.
  • Reinforcing coltreat foundation 14 is formed on the bottom surface of the excavation is completed excavation, the lowermost permanent structural column 80 is fixed to the reinforced concrete foundation (14).
  • Permanent structural column 80 is made of reinforced concrete so that the bearing capacity can be reinforced.
  • Underground structure construction apparatus is a preferred embodiment of the present invention configured as described above, when constructing the underground structure of two or more basement floors by repeatedly performing the process of installing the temporary connection member 40 and each floor horizontal structure 50 Underground structures of two or more floors can be constructed.
  • the underground structure construction apparatus installs the horizontal structures 50 on each floor while extending the temporary connecting member 40 from the first horizontal structure 30 in the lower direction while the excavation work is carried out, and reinforced concrete foundation
  • the lowermost permanent structural column 80 is fixed to 14, and after the layered permanent column 80 is installed, the center pile 20 is removed.
  • reinforced concrete is reinforced on the retaining wall 10 to form a permanent wall.
  • the plurality of center piles 20 are removed from the excavating portion.
  • the center pile 20 is placed in the vicinity so as not to contact the point where the temporary connection member 40 to be installed later.
  • bracket 21 After proceeding the excavation by a predetermined depth as shown in Figure 3, by installing the bracket 21 is prepared to install the first stage horizontal structure (30).
  • the bracket 21 is formed in the center pile 20 at regular intervals so as to support the horizontal structure 50 each layer is sequentially installed.
  • the first horizontal structure 30 is installed on the bracket 21 as shown in FIG. 4.
  • the concrete slab 11 and the edge reinforcing member 12 and the reinforcing member is installed thereon.
  • the temporary connection member 40 may be tied to the connection member 31 each month.
  • the excavation is further performed, and the hypothesis connecting member 40 is released to hang down.
  • the connecting member 51 of each horizontal structure 50 is connected to the end of the temporary connecting member 40.
  • FIG. 7 performs a coupling member installation step of installing a coupling member 52 for connecting the connection member 51.
  • the temporary connection member 40 installed is removed. Then carry out further digging to the next floor. According to the underground depth to be excavated, the installation step of the temporary connection member 40 and the horizontal structure installation step of each layer and the temporary connection member 40 are removed repeatedly.
  • the concrete slab 11, the edge reinforcing member 12, and the reinforcing member are installed in each horizontal structure 50.
  • the reinforced concrete foundation 14 is installed in the bottom surface.
  • each layer horizontal structure (50) or first stage horizontal structure (30) was placed in the non-pouring site of iron concrete concrete.
  • the underground structure construction apparatus and method according to the present invention by installing the temporary connection member 41, by adjusting the length of the temporary connection member 40 in a suspended state connecting member 51 to the temporary connection member 40

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  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
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  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
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  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

La présente invention concerne un dispositif et un procédé pour la construction d'une structure souterraine, qui permet d'améliorer l'ouvrabilité et de réduire les heures de travail. L'invention comprend : une paroi de retenue qui est formée sur un côté circonférentiel d'une partie creusée qui est travaillée de manière à installer une structure souterraine ; une pluralité de pieux centraux qui sont enfoncés dans ladite partie creusée de manière amovible ; une structure horizontale de premier étage qui est installée sur une extrémité supérieure desdits pieux centraux de sorte que la structure horizontale de premier étage soit supportée sur lesdits pieux centraux ; des structures horizontales de chaque étage qui sont installées de manière à former des étages jusqu'à une surface inférieure de ladite partie creusée dans la direction d'une extrémité inférieure de ladite structure horizontale de premier étage, afin de supporter ladite paroi de retenue ; un élément de raccordement de construction dont un côté est raccordé à la structure horizontale de premier étage voisine sur l'extrémité supérieure ou auxdites structures horizontales de chaque étage, et dont l'autre côté est raccordé auxdites structures horizontales de chaque étage voisines sur l'extrémité inférieure, de manière à raccorder séquentiellement et à installer lesdites structures horizontales de chaque étage depuis ladite structure horizontale de premier étage, la longueur de l'élément de raccordement de construction étant ajustable ; et des supports montés sur lesdits pieux centraux de manière à supporter les structures horizontales de chaque étage qui sont raccordées à l'autre côté dudit élément de raccordement de construction. Ainsi, puisque lesdits supports sont installés dans un état dans lequel le caractère horizontal desdites structures horizontales de chaque étage est ajusté en ajustant la longueur dudit élément de raccordement de construction, l'invention permet de fixer lesdites structures horizontales de chaque étage.
PCT/KR2011/007196 2010-09-30 2011-09-29 Dispositif et procédé pour la construction d'une structure souterraine WO2012044091A2 (fr)

Applications Claiming Priority (2)

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KR1020100095341A KR101341679B1 (ko) 2010-09-30 2010-09-30 지하 구조물 구축장치 및 공법
KR10-2010-0095341 2010-09-30

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WO2012044091A3 WO2012044091A3 (fr) 2012-06-21

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EP2738313A1 (fr) * 2012-12-03 2014-06-04 Gtm Sud Procédé et kit de construction d'un ouvrage souterrain avec coffrage suspendu
JP2018040231A (ja) * 2016-09-09 2018-03-15 鹿島建設株式会社 コンクリート躯体の構築方法
CN107843407A (zh) * 2017-12-05 2018-03-27 西南交通大学 一种用于结构水动力实验的群桩位置调节装置
CN114045870A (zh) * 2021-11-11 2022-02-15 中铁四局集团有限公司 一种超深基坑群异步开挖顺逆结合安全性施工方法

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KR101421648B1 (ko) * 2012-09-25 2014-07-22 (주)바로건설기술 지하 흙막이벽 지지구조 및 이의 시공방법
KR101401057B1 (ko) * 2013-02-28 2014-05-29 (주)바로건설기술 기둥과 주두와 철골보 및 슬래브로 형성되는 구조물을 이용한 지하 구조물 구축공법
KR101485563B1 (ko) * 2013-11-04 2015-01-26 주식회사 씨엠파트너스건축사사무소 건축용 수평구조프레임 구조
CN105386461B (zh) * 2015-11-10 2017-04-19 上海建工集团股份有限公司 一种逆作法机械化降模系统及其降模方法
CN105401598B (zh) * 2015-11-10 2017-04-19 上海建工集团股份有限公司 逆作法自动降模系统吊装装置及其吊装方法

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KR100799336B1 (ko) * 2006-06-23 2008-01-30 주식회사 하모니구조엔지니어링 상·하 분리형 지지방식의 무지주 역타설 거푸집공법용거푸집 지지체 및 이를 이용한 무지주 역타설 거푸집공법
KR20090029993A (ko) * 2007-09-19 2009-03-24 주식회사 한미파슨스건축사사무소 강막작용에 의하여 지지되는 흙막이벽을 이용한 지하구조물및 지하구조물 구축공법
KR20100100193A (ko) * 2009-03-05 2010-09-15 (주)씨엠파트너스건축사사무소 Ｒｃ역타공법에서의 ｒｃ보 시공용 거푸집시스템 및 이를 이용한 ｒｃ역타공법
KR100967497B1 (ko) * 2010-02-19 2010-07-07 (주)바로건설기술 지하 구조물 구축공법
KR100967496B1 (ko) * 2010-02-19 2010-07-07 (주)바로건설기술 지하 구조물 구축장치

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EP2738313A1 (fr) * 2012-12-03 2014-06-04 Gtm Sud Procédé et kit de construction d'un ouvrage souterrain avec coffrage suspendu
FR2998905A1 (fr) * 2012-12-03 2014-06-06 Gtm Sud Procede et kit de construction d’un ouvrage souterrain avec coffrage suspendu
JP2018040231A (ja) * 2016-09-09 2018-03-15 鹿島建設株式会社 コンクリート躯体の構築方法
CN107843407A (zh) * 2017-12-05 2018-03-27 西南交通大学 一种用于结构水动力实验的群桩位置调节装置
CN114045870A (zh) * 2021-11-11 2022-02-15 中铁四局集团有限公司 一种超深基坑群异步开挖顺逆结合安全性施工方法

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