KR100818863B1 - Lift and installing method of preassembled truss decks at ground level - Google Patents

Lift and installing method of preassembled truss decks at ground level

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Publication number
KR100818863B1
KR100818863B1 KR1020070001289A KR20070001289A KR100818863B1 KR 100818863 B1 KR100818863 B1 KR 100818863B1 KR 1020070001289 A KR1020070001289 A KR 1020070001289A KR 20070001289 A KR20070001289 A KR 20070001289A KR 100818863 B1 KR100818863 B1 KR 100818863B1
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South Korea
Prior art keywords
truss
temporary
deck
installing
beams
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KR1020070001289A
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Korean (ko)
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이창남
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이창남
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Priority to KR1020070001289A priority Critical patent/KR100818863B1/en
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Publication of KR100818863B1 publication Critical patent/KR100818863B1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
    • 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
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B1/3505—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the in situ moulding of large parts of a structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

A method for lifting and installing after pre-assembling bottom truss decks above the ground is provided to heighten construction quality by installing truss decks to a floor beam safely and easily and to cut down on construction expenses by shortening a period of construction. A method for lifting and installing after pre-assembling bottom truss decks above the ground comprises the steps of: manufacturing a temporary workbench for a truss girder by installing temporary posts, temporary beams, guide beams and tie beams in a construction site within the working area of a tower crane; pre-assembling truss decks on the temporary beams in order and perforating holes on the truss decks; arranging and assembling truss decks on the upper part of a workbench; arranging and coupling upper and lower distribution bars, arranging lower connection bars between upper and lower truss bars, and, between upper and lower distribution bars temporarily and inserting to reinforcement bar holes formed on a floor beam(9) easily; and putting various materials to be attached to a floor plate on the pre-assembled truss decks and binding tightly and lifting up with a simple crane, and then loading on a temporary station or lifting up with a tower crane and installing directly to the appointed location.

Description

바닥 트러스 데크를 지상 선조립 후 인양 설치하는 공법{Lift and Installing method of Preassembled Truss decks at ground level}Lift and Installing method of Preassembled Truss decks at ground level}

건축공사에서 양중(무거운 물건을 위로 올리는 일)과 위험한 고소(高所)작업은 공사비 상승, 공사 기간 지연과 안전사고의 원인이 된다. 또한 될수록 건축자재를 공장에서 조립하여 현장에 반입하는 것이 품질 확보에 도움이 되지만 조립한 단위 크기가 너무 크면 운반 차량의 제한 폭을 넘거나 고소작업 현장에서의 작업원의 안전을 감안한 최대 중량을 초과하지 않는 범위라야 한다. 국내 10여 공장에서 생산하는 트러스 데크의 폭은 600mm로 동일하며 길이는 건물 바닥보의 간격에 맞춰 주문 생산하는데 단위 중량은 30∼60kg 정도이다.In the construction work, heavy lifting (heavy goods up) and dangerous high places work cause cost increase, delay in construction period and safety accidents. In addition, as soon as possible, assembling building materials from the factory and bringing them to the site helps to ensure quality, but if the assembled unit size is too large, it exceeds the limit of the transport vehicle or the maximum weight considering the safety of the workers on the aerial site. It should be a range that does not. The width of the truss deck produced by 10 domestic factories is the same as 600mm, and the length is made to order according to the space of the building beams.

생산 공장에서는 위 트러스 데크를 폭 3열, 높이 10단으로 포장(30매) 출하하며, 공사 현장에서는 이를 크레인으로 바닥 보에 얹은 후 인력으로 하나씩 바닥보 소정의 위치에 소운반(小運搬)하면서 조립한다. 즉 조립공은 공중에 설치된 바닥보(폭이 200mm∼300mm) 위를 위험하게 게걸음으로 걸어 다니며 조립작업을 한다(들고 운반하는 트러스 데크가 눈과 디디고 있는 바닥보와 발 사이를 가로막고 있어서 보이지 않는다). 그 후 또다시 크레인의 도움으로 양중한 상·하 배력근을 배근하는 순서를 밟는다. 그러므로 작업자의 능률이 떨어지며 타워크레인의 사용빈도(타공종 작업자들 간의 쟁탈전이 벌어짐)과다와 해당 작업장으로 오르내리는 작업자용 리프트의 혼잡 운행도 공사 기간 연장의 원인이 된다.The production plant ships the top truss decks in three rows of width and 10 columns in height (30 sheets) .In the construction site, they are mounted on a floor beam with a crane and assembled by transporting them to the floor beams one by one. do. In other words, the assemblyman walks dangerously on the floor beam (200mm ~ 300mm) installed in the air and performs the assembly work (the truss deck that lifts and transports is invisible between the eye and the stepping floor beam and the foot). After that, the step of placing the heavy upper and lower back muscles again with the help of the crane is taken. Therefore, the worker's efficiency is reduced, the use of tower cranes (competition between workers in different industries) and the congestion of worker lifts moving up and down the workplace also contribute to the extension of the construction period.

바닥판 공사를 위한 트러스 데크(1)를 바닥 보(9)에 설치하는 작업을 안전하고 손쉽게 시행하여 공사 품질을 높이고 공사 기간을 단축하여 공사비를 줄이는 것이 기술적 과제이다. 또한 타워크레인과 리프트의 사용 빈도를 줄이고 기능이 떨어지는 작업원이라도 트러스 데크를 손쉽게 조립할 수 있는 방법을 마련하는 것도 기술적 과제이다.Technical task is to reduce the cost of construction by improving the construction quality and shortening the construction period by safely and easily performing the task of installing the truss deck (1) for the bottom plate construction to the floor beam (9). It is also a technical challenge to reduce the frequency of tower cranes and lifts and to make it easy to assemble truss decks, even for less-functional workers.

타워크레인의 작업 반경 이내의 현장에 도 5와 같이 가설지주(3)와 가설 보(2), 가이드 빔(7), 타이 빔(8)을 설치한다. 트러스 데크(1)의 길이는 보통 3∼4m이므로 가설보의 상호간격은 2.5m 정도가 적당하며 가설 보를 지지하는 가설지주의 높이는 작업원이 허리를 덜 구부려도 쉽게 작업할 수 있는 700mm 내외가 적당하다. 타이 빔은 가설 보의 상호 간격을 유지하는 역할을 하고 가이드 빔은 트러스 데크(1)를 가설 보와 정확한 각도를 유지시키는 역할과 타이 빔 역할을 겸한다. 가이드 빔(7)과 가설 보(2)의 길이는 해당 건물에서 사용하는 바닥판의 폭과 길이 중 가장 긴 것에 준하여 결정한다. 또한 지상 선조립에 필요한 가설지주(3)와 가설 보(2), 가이드 빔(7)과 타이 빔(8) 등은 H형강, 강관 또는 각재 등을 이용하여 제작하며, 현장 설치용 임시 작업대이다.The temporary column 3, temporary beams 2, guide beams 7 and tie beams 8 are installed on the site within a working radius of the tower crane as shown in FIG. Since the length of the truss deck (1) is usually 3 to 4m, the mutual spacing of the temporary beams is about 2.5m, and the height of the temporary supports supporting the temporary beams is about 700mm so that the worker can easily work even if he bends less. Do. The tie beam serves to maintain the spacing of the temporary beams, and the guide beam serves to maintain the exact angle of the truss deck 1 with the temporary beams and to serve as a tie beam. The length of the guide beam 7 and the temporary beams 2 is determined according to the longest of the width and length of the floorboard used in the building. In addition, the temporary column (3) and the temporary beams (2), guide beams (7) and tie beams (8) required for the ground line assembly is manufactured using H-beams, steel pipes or lumber, and is a temporary work bench for site installation.

공장에서 반입한 트러스 데크 꾸러미(보통 30개 묶음)는 가이드 빔 가까운 곳에 하차하여 소운반 거리를 최소화 한다. 서로 마주보고 일하는 2인 1조의 작업원은 양중할 해당 바닥판의 트러스 데크를 도 1, 2와 같이 가이드 빔에 맞춰 가설 보에 차례대로 한 판씩 정렬하여 선조립(마지막 한 장은 남겨 둠)하고 트러스 데크에 구멍을 뚫는 등 가능한 모든 작업을 한 후 필요한 상·하부 배력근(4, 5)을 배근하여 결속하고, 하부 연결근(6)을 트러스 상하근 사이와 상·하부 배력근 사이 정 위치에 임시 배치하여 양중 후 바닥보에 조성한 철근구멍(11)에 손쉽게 끼워 넣을 수 있게 한다. 또한 앞에 유보한 마지막 트러스 데크 한 장과 후에 바닥판에 부착할 각종 자재를 선조립한 트러스 데크 위에 올려놓아 단단히 묶고 간이크레인으로 양중하여 임시 대기소에 운반 적재하거나 직접 소정의 위치에 타워크레인으로 양중 설치한다.Truss deck packages (usually a bundle of 30) brought from the factory are disembarked near the guide beam to minimize transport distance. A pair of two workers facing each other works by arranging the truss decks of the bottom plate to be doubled and aligning them one by one in the temporary beams in order to the guide beam as shown in Figs. 1 and 2 (the last one is left) and the truss After all possible work, such as drilling holes in the deck, reinforce the upper and lower back muscles (4, 5) as needed and bind the lower link muscle (6) between the upper and lower trusses and the upper and lower back muscles. Temporarily placed so that it can be easily inserted into the reinforcing hole 11 formed in the bottom beam after lifting. In addition, the last truss deck that has been reserved in the past and various materials to be attached to the bottom plate are placed on the pre-assembled truss deck to be firmly tied up, lifted by a simple crane, transported to a temporary waiting place, or directly installed by a tower crane at a predetermined position. do.

상기 마지막 트러스 데크 한 장의 지상 조립을 유보하는 이유는 도 4와 같이 상층부의 보 조립이 바닥판 조립보다 우선했을 경우 선조립한 트러스 데크를 상부 보들 사이 하부로 지장 없이 하강시키기 위한 조치이고 또한 마지막 트러스 데크는 현장에서 정확한 규격으로 잘라 맞추는 것이 효율적이기 때문이다.The reason why the last truss deck is grounded is a measure to lower the pre-assembled truss deck to the lower side between the upper beams when the beam assembly of the upper layer precedes the bottom plate assembly as shown in FIG. This is because it is efficient for the deck to be cut to exact specifications on site.

선조립 트러스 데크를 경사 지워 해당 위치에 운반하기 위하여서는 로프를 고무줄로 묶어야 조립트러스 데크의 하중 작용이 없을 때는 수평을 유지하고 크레인을 들어올리면 필요한 각도로 경사지게 된다(도 6).In order to incline the pre-assembled truss deck and transport it to the corresponding position, the rope should be bundled with rubber bands to keep the level when there is no load action of the assembled truss deck, and to lift the crane to incline to the required angle (FIG. 6).

철골 보 위를 무거운 트러스 데크를 들고 외나무다리를 게걸음으로 건너듯 하면서 운반 조립하는 기능공은 인건비도 비싸고 위험수당, 상해보험 부담도 클 뿐만 아니라, 공사 지연의 주요 원인이 된다. 따라서 트러스 데크(1)를 깔기 전 공중에 보만 걸려있는 위험한 상태에서의 작업량을 최소한으로 줄이면 비숙련공이라도 지상에서 안전하게 트러스 데크를 선조립할 수 있으므로 공사의 품질도 향상되고 공사 기간과 공기 절감에 도움이 된다. 타워크레인과 리프트 사용 시간을 줄일 수 있어서 경제적이며, 하부 연결근(6) 설치가 원활하다(트러스 데크를 한 판씩 공중에서 조립하는 재래 공법의 현장에서는 우선 트러스 데크를 보에 설치한 후 트러스의 래티스 사이 빈 공간을 통해 하부 연결근을 경사지게 구부려서 바닥보의 철근구멍에 끼워 넣으므로 작업 시간이 많이 소요된다).The skilled workers who carry heavy steel truss decks over the steel frame and cross them with claws are not only expensive labor costs, but also high risk allowances and accident insurance burdens. Therefore, if you reduce the amount of dangerous work in the air before laying the truss deck (1) to a minimum, even the unskilled workers can safely pre-assemble the truss deck on the ground, improving the quality of the construction and helping to save construction time and air. do. It is economical because it can reduce the use time of tower crane and lift, and it is easy to install the lower connecting rod (6) (In the conventional method of assembling the truss deck in the air, the truss deck is installed in the beam first and then the lattice of the truss It takes a long time to bend the lower connecting rod obliquely through the empty space and insert it into the reinforcing hole of the floor beam.

도 1은 트러스 데크를 지상 가설보에서 선조립하는 단면도,1 is a cross-sectional view of pre-assembling the truss deck from the ground temporary beams,

도 2는 트러스 데크를 지상 가설보에서 선조립하는 평면도,2 is a plan view of pre-assembling the truss deck in the ground temporary beams,

도 3은 건물의 보 배열 평면도,3 is a beam arrangement plan of a building,

도 4는 건물의 보 배열 단면도,4 is a beam arrangement cross section of a building,

도 5는 트러스 데크 선조립 작업대(a는 평면, b, c는 입면도)이다.5 is a truss deck pre-assembly work platform (a is a plane, b, c is an elevation view).

〈 도면의 부호에 대한 간단한 설명 〉<Brief description of the symbols in the drawings>

1 : 트러스 데크 2 : 가설 보1: Truss Deck 2: Hypothesis Bo

3 : 가설 지주 4 : 상부 배력근3: hypothesis holding 4: upper back muscle

5 : 하부 배력근 6 : 하부 연결근5: lower back muscle 6: lower connecting muscle

7 : 가이드 빔 8 : 타이 빔7: guide beam 8: tie beam

9 : 바닥 보 10: 기둥9: floor beams 10: columns

11: 철근구멍11: rebar

Claims (3)

지상에서 트러스 데크(1)를 선조립 제작함에 있어서,In pre-fabricating the truss deck (1) from the ground, (a) 트러스 데크 선조립용 작업대는 가설 지주(3)를 세우고, 길이방향으로 가설 지주를 연결하는 가설 보(2)로 고정시키며, 각각의 가설 보 사이에는 타이 빔(8)으로 고정시키고, 데크 선조립을 위한 시작부에는 데크를 정열하고 타이 빔 역할을 하는 가이드 빔(7)을 설치하는 단계 ;(a) The truss deck prefabrication work platform is constructed with a temporary beam (3), fixed by a temporary beam (2) connecting the temporary pillar in the longitudinal direction, and fixed by a tie beam (8) between each temporary beam, Installing a guide beam (7) to align the deck and serve as a tie beam at the beginning for deck pre-assembly; (b) 상기 (a)단계를 걸쳐 제작한 작업대 상부에는 트러스 데크(1)를 한 판 씩 정렬하여 조립하는 단계 ;(b) assembling the truss deck (1) by one plate on the workbench produced through the step (a); (c) 상기 (b)단계를 거쳐 설치한 트러스 데크에 상·하부 배력근(4, 5)과 하부 연결근(6), 데크 천공 등의 작업을 수행하여 철근을 배근하고 결속하는 단계 ;(c) reinforcing and binding the reinforcing bars by performing operations such as upper and lower reinforcement bars (4, 5), lower connecting bars (6), and deck drilling on the truss deck installed through the step (b); (d) 상기 (c)단계를 거쳐 완료된 트러스 데크를 적재하거나 원하는 위치에 설치하는 단계 ;(d) loading the truss deck completed through the step (c) or installing the truss deck at a desired position; 를 포함하여 이루어지는 것을 특징으로 하는 바닥 트러스 데크를 지상 선조립 후 인양 설치하는 공법Method for lifting and installing the floor truss deck after the ground pre-assembly, characterized in that consisting of 제 1항에 있어서, 트러스 데크 선조립용 작업대의 가설 지주(3), 가설 보(2), 타이 빔(8)과 가이드 빔(7)은 철골의 H형강 또는 강관, 각재 등으로 설치하는 것을 특징으로 하는 바닥 트러스 데크를 지상 선조립 후 인양 설치하는 공법2. The construction of the truss deck pre-assembly work platform, the temporary support (3), temporary beams (2), tie beams (8) and guide beams (7) is to be installed in steel H-steel or steel pipes, squares, etc. Lifting and installation of floor truss decks after ground pre-assembly 제 1항에 있어서, 선조립한 트러스 데크(1)는 설치에 필요한 크기 보다 트러스 데크 한 장을 유보하여 슬래브 크기에 따른 가변성과 설치의 용이성을 확보하는 것을 특징으로 하는 바닥 트러스 데크를 지상 선조립 후 인양 설치하는 공법The pre-assembled truss deck (1) has a truss deck with a reserve than the size required for installation to ensure the variability and ease of installation according to the slab size, ground pre-assembly of the floor truss deck After installation method
KR1020070001289A 2007-01-05 2007-01-05 Lift and installing method of preassembled truss decks at ground level KR100818863B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881029A (en) * 2010-05-05 2010-11-10 陈金生 Detachable tower foundation
GB2543513A (en) * 2015-10-20 2017-04-26 Bryden Wood Tech Ltd Building system
CN111764730A (en) * 2020-06-30 2020-10-13 诚邦生态环境股份有限公司 Layered combined installation construction method for spiral truss type tower
CN114033049A (en) * 2021-08-20 2022-02-11 北京市机械施工集团有限公司 Construction method of large-span space structure
KR20240074439A (en) 2022-11-21 2024-05-28 (주)윈하이텍 Deckplate and lifting construction method of deck plate structure manufactured using the same

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Publication number Priority date Publication date Assignee Title
JP2000160843A (en) * 1998-11-30 2000-06-13 Shimizu Corp Laying method for deck plate and slinging jig therefor
JP2002115398A (en) * 2000-10-05 2002-04-19 Shimizu Corp Hoisting accessory for laying deck plate and deck plate laying method
KR20060034150A (en) * 2004-10-18 2006-04-21 정기환 Apparatus for loading a deck panel
KR20060034149A (en) * 2004-10-18 2006-04-21 정기환 Forming and piling system of a deck plate in a reinforced concrete structure
KR100666598B1 (en) * 2004-12-23 2007-01-09 정기환 Deck plate and truss gurder loading system in a reinforced concrete structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000160843A (en) * 1998-11-30 2000-06-13 Shimizu Corp Laying method for deck plate and slinging jig therefor
JP2002115398A (en) * 2000-10-05 2002-04-19 Shimizu Corp Hoisting accessory for laying deck plate and deck plate laying method
KR20060034150A (en) * 2004-10-18 2006-04-21 정기환 Apparatus for loading a deck panel
KR20060034149A (en) * 2004-10-18 2006-04-21 정기환 Forming and piling system of a deck plate in a reinforced concrete structure
KR100666598B1 (en) * 2004-12-23 2007-01-09 정기환 Deck plate and truss gurder loading system in a reinforced concrete structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881029A (en) * 2010-05-05 2010-11-10 陈金生 Detachable tower foundation
GB2543513A (en) * 2015-10-20 2017-04-26 Bryden Wood Tech Ltd Building system
CN111764730A (en) * 2020-06-30 2020-10-13 诚邦生态环境股份有限公司 Layered combined installation construction method for spiral truss type tower
CN114033049A (en) * 2021-08-20 2022-02-11 北京市机械施工集团有限公司 Construction method of large-span space structure
KR20240074439A (en) 2022-11-21 2024-05-28 (주)윈하이텍 Deckplate and lifting construction method of deck plate structure manufactured using the same

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