JPH03224927A - Lift slab construction - Google Patents
Lift slab constructionInfo
- Publication number
- JPH03224927A JPH03224927A JP1919390A JP1919390A JPH03224927A JP H03224927 A JPH03224927 A JP H03224927A JP 1919390 A JP1919390 A JP 1919390A JP 1919390 A JP1919390 A JP 1919390A JP H03224927 A JPH03224927 A JP H03224927A
- Authority
- JP
- Japan
- Prior art keywords
- lift
- column
- lift slab
- slab
- construction method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims description 17
- 239000004567 concrete Substances 0.000 claims abstract description 8
- 239000012779 reinforcing material Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 3
- 239000003351 stiffener Substances 0.000 abstract 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000011513 prestressed concrete Substances 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011382 roller-compacted concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野１ 本発明はリフトスラブ構法に関する。[Detailed description of the invention] [Industrial application field 1 The present invention relates to a lift slab construction method.
［従来の技術］
一般に、この種のリフトスラブ構法は、地上または上階
位置で製作されたリフトスラブを、柱に沿って所定階位
置まで移動させて、鉄柱に固定する構法であり、総ての
リフトスラブを地上等の所定位置で製作するため、各階
におけるスラブ用コンクリート型枠工事が不要になり、
その結果、施工性を大巾に向上せしめることができる利
息がある。[Prior Art] In general, this type of lift slab construction method is a construction method in which a lift slab manufactured on the ground or on an upper floor is moved along columns to a predetermined floor position and fixed to a steel column. Since the lift slab is manufactured at a predetermined location such as on the ground, there is no need to construct concrete formwork for the slab on each floor.
As a result, there is an advantage that construction efficiency can be greatly improved.
［発明が解決しようとする課題１
しかしながら、従来のリフトスラブ構法では、柱とリフ
トスラブとが一体化されていないため、耐震構造となっ
ていないという問題点があった。[Problem to be Solved by the Invention 1] However, in the conventional lift slab construction method, the columns and the lift slab were not integrated, so there was a problem that the structure was not earthquake resistant.
本発明は、上記従来の問題点を解決するためになされた
もので、その目的とするところは、リフトアップされた
リフトスラブを柱と一体的に緊結することにより耐震構
造とすることができるリフトスラブ構法を提供すること
にある。The present invention was made in order to solve the above-mentioned conventional problems, and its purpose is to provide a lift that can have an earthquake-resistant structure by integrally connecting a lifted lift slab with a column. Our goal is to provide a slab construction method.
［課題を解決するための手段１
本発明のリフトスラブ構法は、建物の地上または上階位
置で製作された複数枚のリフトスラブを、柱に沿って各
々の所定階位置まで移動させて、鉄柱に固定するリフト
スラブ構法において、該リフトスラブ内に配設した補強
材を、柱内部を横に貫通する補強材と連結して、柱とリ
フトスラブとを一体構造として挙動せしめたことを特徴
と七、また、上記柱とリフトスラブとを緊結した後、鉄
柱の周囲に巻立て柱コンクリート部を打設することを特
徴とするものである。[Means for Solving the Problems 1] The lift slab construction method of the present invention moves a plurality of lift slabs manufactured on the ground or upper floors of a building along columns to respective predetermined floor positions, and In the lift slab construction method in which the lift slab is fixed to Seventh, the present invention is characterized in that after the above-mentioned column and lift slab are tightly connected, a rolled column concrete section is cast around the steel column.
尚、上記リフトスラブの柱貫通穴の近傍にシャーヘッド
を埋設してもよい。Incidentally, a shear head may be buried in the vicinity of the column through hole of the lift slab.
［実施例］
以下、本発明の一実施例について図面を参照しながら説
明する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図および第２図において、１は柱であって鉄筋コン
クリートあるいは鋼管等から成る。尚、鉄柱１の形状と
しては、図示の角柱に限定するものではなく多角柱ある
いは円柱等、その水平断面形状が軸（上下）方向に亙っ
てほぼ一定していれば、いずれの形状であってもよい。In FIGS. 1 and 2, numeral 1 denotes a column made of reinforced concrete, steel pipes, or the like. The shape of the steel column 1 is not limited to the square column shown in the figure, but may be any shape, such as a polygonal column or a cylinder, as long as its horizontal cross-sectional shape is approximately constant in the axial (up and down) direction. You can.
３−
２はリフトスラブであって、上記柱１の断面形状より僅
かに大きい柱貫通穴２ａが開設されており、これに上記
柱１が貫通していて、鉄柱１の軸方向に沿ってリフトス
ラブ２が移動できるようになっている。該リフトスラブ
２の内部には鉄筋あるいはＰＣ（プレストレストコンク
リート）鋼線等の補強材２ｂが配設されている。3-2 is a lift slab, which has a column through hole 2a that is slightly larger than the cross-sectional shape of the column 1, through which the column 1 passes, and which allows the lift slab to be lifted along the axial direction of the steel column 1. Slab 2 is now movable. Inside the lift slab 2, reinforcing materials 2b such as reinforcing bars or prestressed concrete (PC) steel wires are provided.
該上記補強材２１）は、上記柱１を貫通している補強材
１ａと溶接等により連結されている。The reinforcing material 21) is connected to the reinforcing material 1a passing through the column 1 by welding or the like.
３は巻立て柱コンクリート部であって、上記リフトスラ
ブ２を柱１の所定階位置にセットした後、柱１の周囲に
打設される。３ａは縦筋、３１〕は帯筋である。尚、上
記リフトスラブ２には、上記縦筋３ａが貫通するための
縦筋用穴２Ｃが形成されている。Reference numeral 3 denotes a rolled concrete column part, which is poured around the column 1 after the lift slab 2 is set at a predetermined floor position of the column 1. 3a is a vertical reinforcement, and 31] is a tie reinforcement. Incidentally, the lift slab 2 is formed with vertical reinforcement holes 2C through which the vertical reinforcements 3a pass.
次に、す７トスラブ構築方法について説明する。Next, a method of constructing a seven-slab slab will be explained.
まず、第３図に示すように、建築現場に柱１を立設する
と共に、地上に於いて全階分（本実施例では４階）のリ
フトスラブ２を製作する。尚、このリフトスラブ２には
屋上のスラブも含まれる。First, as shown in FIG. 3, pillars 1 are erected at a construction site, and lift slabs 2 for all floors (fourth floor in this embodiment) are fabricated on the ground. Note that this lift slab 2 also includes a rooftop slab.
−
続いて、第４図に示すように、上記製作したリフトスラ
ブ２をクレーンやジヤツキ（図示せず）等により順次リ
フトアップして、所定階位置にセットする。- Subsequently, as shown in FIG. 4, the lift slabs 2 manufactured above are sequentially lifted up using a crane, jack (not shown), etc., and set at a predetermined floor position.
尚、ＩＪ７トスラブ２のリフトアップ方法としては、上
述のように上階分から１枚ずつ順次リフトアップする方
法の他に、総でのリフトスラブ２を一緒にり７トアツプ
しながら、下階分のリフトスラブ２から順次セットする
方法であってもよい。In addition, as a method for lifting up the IJ7 toss slab 2, in addition to the method of lifting up the upper floor one by one as described above, you can lift up the IJ7 toss slab 2 one by one from the upper floor as described above. A method may also be used in which the lift slabs are set sequentially starting from the lift slab 2.
また、第５図に示すように、建物の上階（本実施例では
４階）で総てのリフトスラブ２を製作して各々上下に移
動させたり、あるいは最上階で製作して（図示せず）順
次リフトダウンさせてセットする方法を採用してもよい
。In addition, as shown in Fig. 5, all the lift slabs 2 can be manufactured on the upper floor of the building (the 4th floor in this example) and moved up and down, or they can be manufactured on the top floor (as shown in the figure). 1) A method of sequentially lifting down and setting may be adopted.
す７トスラブ２を柱１の所定位置にセットしたら、第６
図に示すように、リフトスラブ２内に配設されている補
強材２ｂを柱１に貫通させである補強材１ａと溶接等で
連結一体化する。After setting the 7th slab 2 in the specified position on the pillar 1,
As shown in the figure, a reinforcing material 2b disposed within the lift slab 2 is passed through the column 1 and is connected and integrated with the reinforcing material 1a by welding or the like.
続いて、第７図に示すように、柱１の周囲に縦筋３ａお
よび帯筋３ｂを配筋してから、仮想線で示すように、巻
立て柱コンクリート部３を打設し、リフトスラブ２と一
体化する。尚、この後打コンクリートは柱貫通穴２ａの
隙間にも充填される。Next, as shown in Fig. 7, vertical reinforcements 3a and tie reinforcements 3b are arranged around the column 1, and then, as shown by the imaginary lines, the rolled column concrete section 3 is placed, and the lift slab is completed. Become one with 2. Incidentally, this post-cast concrete is also filled into the gaps between the column through holes 2a.
第８図及び第９図は柱貫通穴２ａの近傍に鋼製のシャー
ヘッド４を埋設しておいて、ＩＪ７トスラブ２と柱１が
一体構造とされた後、スラブ部分の剪断力に対する抵抗
力を増大せしめる。Figures 8 and 9 show that a steel shear head 4 is buried near the column through hole 2a, and after the IJ7 toss slab 2 and column 1 are integrated, the resistance to shearing force of the slab portion is increase.
［発明の効果］
（１）柱とスラブとを一体的に緊結したので、耐震構造
とすることが可能となった。[Effects of the invention] (1) Since the columns and the slab are integrally connected, it is possible to create an earthquake-resistant structure.
（２）スラブを地上または上階位置において製作するの
で、各階におけるスラブ用コンクリート型枠工事が不要
になり、施工生産性を向上せしめることができる。(2) Since the slab is manufactured on the ground or on the upper floor, there is no need for concrete form work for the slab on each floor, and construction productivity can be improved.
（３）スラブをアンボンド型又はボンド型ＰＣ鋼材によ
り強化して大スパンスラブとすることができる。(3) The slab can be strengthened with unbonded or bonded PC steel to form a large span slab.
第１図は本発明のリフトスラブ構法による柱とスラブの
接続部の縦断面図、第２図はその平面図、第３図ないし
第７図は施工方法を順次説明する説明図、第８図は別の
実施例の平断面図、第９図はその縦断面図である。
１・・・柱、１ａ・・・補強材、２・・・ＩＪ７トスラ
ブ、２ａ・・・柱貫通穴、２ｂ・・・補強材、２ｃ・・
・縦筋用穴、３・・・巻立て柱コンクリート部、３ａ・
・・縦筋、３１）・・・帯筋、４・・・シャーヘッド。Fig. 1 is a vertical cross-sectional view of the joint between a column and a slab using the lift slab construction method of the present invention, Fig. 2 is a plan view thereof, Figs. 3 to 7 are explanatory diagrams sequentially explaining the construction method, and Fig. 8 9 is a plan sectional view of another embodiment, and FIG. 9 is a longitudinal sectional view thereof. DESCRIPTION OF SYMBOLS 1... Column, 1a... Reinforcement material, 2... IJ7 toss slab, 2a... Column through hole, 2b... Reinforcement material, 2c...
・Hole for vertical reinforcement, 3... Rolling column concrete part, 3a・
...Longitudinal bar, 31)...Twisted bar, 4...Shear head.
Claims (1)
フトスラブを、柱に沿って各々の所定階位置まで移動さ
せて、該柱に固定するリフトスラブ構法において、該リ
フトスラブ内に配設した補強材を、柱内部を横に貫通す
る補強材と連結して、柱とリフトスラブとを一体構造と
して挙動せしめたことを特徴とするリフトスラブ構法。 ２、上記柱とリフトスラブとを緊結した後、該柱の周囲
に巻立て柱コンクリート部を打設することを特徴とする
請求項１に記載のリフトスラブ構法。 ３、上記リフトスラブの柱貫通穴の近傍にシャーヘッド
を埋設したことを特徴とする請求項１または２に記載の
リフトスラブ構法。[Claims] 1. A lift slab construction method in which a plurality of lift slabs manufactured on the ground or upper floors of a building are moved along columns to respective predetermined floor positions and fixed to the columns, A lift slab construction method characterized in that a reinforcing material disposed within the lift slab is connected to a reinforcing material passing laterally through the interior of the column, so that the column and the lift slab behave as an integral structure. 2. The lift slab construction method according to claim 1, wherein after the pillars and the lift slab are tightly connected, a rolled column concrete section is cast around the pillars. 3. The lift slab construction method according to claim 1 or 2, wherein a shear head is buried in the vicinity of the column through hole of the lift slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019193A JP2764334B2 (en) | 1990-01-31 | 1990-01-31 | Lift slab construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019193A JP2764334B2 (en) | 1990-01-31 | 1990-01-31 | Lift slab construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03224927A true JPH03224927A (en) | 1991-10-03 |
| JP2764334B2 JP2764334B2 (en) | 1998-06-11 |
Family
ID=11992509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019193A Expired - Lifetime JP2764334B2 (en) | 1990-01-31 | 1990-01-31 | Lift slab construction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2764334B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681419A (en) * | 1992-09-06 | 1994-03-22 | Takenaka Komuten Co Ltd | Erection of structure composed of column and floor plate and method of joining column and floor plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025730A (en) * | 1973-07-13 | 1975-03-18 |
-
1990
- 1990-01-31 JP JP2019193A patent/JP2764334B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025730A (en) * | 1973-07-13 | 1975-03-18 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681419A (en) * | 1992-09-06 | 1994-03-22 | Takenaka Komuten Co Ltd | Erection of structure composed of column and floor plate and method of joining column and floor plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2764334B2 (en) | 1998-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100694503B1 (en) | Downward construction system and method for 1-way girder and slab of underground structure | |
| US5588272A (en) | Reinforced monolithic concrete wall structure for spanning spaced-apart footings and the like | |
| CN111364681B (en) | Staggered tensioning anchoring structure for prestressed tendons of end column-beam joints and construction method | |
| TW201917260A (en) | Construction method for a building | |
| CN112144412A (en) | Construction method of prefabricated assembled intercolumnar tie beam | |
| CN111335485B (en) | Prefabricated section steel concrete intermediate column beam node prestressed tendon staggered tensioning anchoring structure for assembly building and construction method | |
| JPH03224927A (en) | Lift slab construction | |
| CN208870177U (en) | A kind of more limb steel columns of assembled-freely-supported concrete plate Housing Structure System | |
| JP3586121B2 (en) | Mixed structure of reinforced concrete column and steel beam and its construction method | |
| JPH0673783A (en) | Construction of steel framed reinforced concrete column and steel beam | |
| JPH0314483Y2 (en) | ||
| JP3187618B2 (en) | How to assemble beam reinforcement | |
| CN109680811B (en) | Prefabricated steel column node connection structure for assembled building and construction method thereof | |
| JP2003013493A (en) | Beam-column connection joint and beam-column connection method | |
| JP3094198B2 (en) | Precast reinforced concrete member and method of constructing structure using the same | |
| JP3364426B2 (en) | How to build pillars | |
| JP2804219B2 (en) | Reinforced steel pipe unit and building construction method using the same | |
| JP2813816B2 (en) | Lift-up method using synthetic steel beams | |
| JPS6217233A (en) | Foundation base column | |
| JPH0238740B2 (en) | ||
| JPH0522787B2 (en) | ||
| JPH0528248Y2 (en) | ||
| JPH02229337A (en) | Constructing technique for concrete column | |
| JPH0410954B2 (en) | ||
| JPS61207765A (en) | Construction of building skeletal composed of reinforcement bars |