JP2987469B2 - Staircase structure - Google Patents

Staircase structure

Info

Publication number
JP2987469B2
JP2987469B2 JP3103914A JP10391491A JP2987469B2 JP 2987469 B2 JP2987469 B2 JP 2987469B2 JP 3103914 A JP3103914 A JP 3103914A JP 10391491 A JP10391491 A JP 10391491A JP 2987469 B2 JP2987469 B2 JP 2987469B2
Authority
JP
Japan
Prior art keywords
staircase
walls
sides
stairs
steel
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.)
Expired - Fee Related
Application number
JP3103914A
Other languages
Japanese (ja)
Other versions
JPH04309650A (en
Inventor
敏男 玉越
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takenaka Komuten Co Ltd
Original Assignee
Takenaka Komuten Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14366698&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2987469(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Takenaka Komuten Co Ltd filed Critical Takenaka Komuten Co Ltd
Priority to JP3103914A priority Critical patent/JP2987469B2/en
Publication of JPH04309650A publication Critical patent/JPH04309650A/en
Application granted granted Critical
Publication of JP2987469B2 publication Critical patent/JP2987469B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Steps, Ramps, And Handrails (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、RC造(鉄筋コンクリ
ート造)の建物における階段室の構造に関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a staircase in a RC (reinforced concrete) building.

【0002】[0002]

【従来の技術】従来、コンクリートの現場打ちによるR
C造建物における階段室は、その四周壁、踊り場、段床
の全てがコンクリートの現場打ちによるRC造とされて
いたので、次のような欠点があった。
2. Description of the Related Art Conventionally, a concrete cast-in-place R
The staircase in the C-building has the following drawbacks because all of the four peripheral walls, landings, and floors of the staircase are made of cast-in-place concrete.

【0003】階段室の施工にあたっては、狭い空間の
中で型枠、鉄筋及びコンクリート打設の作業をしなけれ
ばならない。段床が傾斜しているため、段床の型枠の
組立及び支保工が複雑である。型枠等の仮設材が多く
必要である。以上〜の理由により階段室がRC造
建物を施工する際の工程上のネックとなる。
[0003] When constructing a staircase, it is necessary to perform the work of placing a formwork, reinforcing bars and concrete in a narrow space. Since the step floor is inclined, assembling and supporting the formwork of the step floor are complicated. Many temporary materials such as formwork are required. For the above reasons, the staircase becomes a bottleneck in the process when constructing the RC building.

【0004】ところで、RC造建物における階段室の四
周壁として要求される性能について考察すると、踊り場
や段床を支持する壁には、耐火性能に加えて、構造部材
としての耐力を要求されるが、壁の一部を踊り場や段床
から切り離し、これらを支持しないようにした場合に
は、この部分の壁については、構造部材としての性能が
不要になり、耐火性能のみ満足させればよく、RC造と
する必要がないことがわかる。
Considering the performance required for the four peripheral walls of the staircase in an RC building, the landing and the floor supporting the floor are required to have not only fire resistance but also strength as a structural member. If a part of the wall is separated from the landing or the corrugated floor and is not supported, the wall of this part does not need the performance as a structural member, and only the fire resistance can be satisfied. It turns out that it is not necessary to make it RC construction.

【0005】[0005]

【発明が解決しようとする課題】本発明は、上記の点に
留意してなされたものであって、その目的とするところ
は、施工の省力化を可能にした、しかも非常に低コスト
で施工できる階段室の構造を提供することにある。
SUMMARY OF THE INVENTION The present invention has been made in consideration of the above points, and an object of the present invention is to make it possible to save labor in construction and to carry out construction at very low cost. It is to provide a structure of a staircase that can be performed.

【0006】[0006]

【課題を解決するための手段】上記の目的を達成するた
めに、本発明では、階段の幅方向両側に位置する壁を乾
式工法による耐火構造壁とし、階段の長さ方向両側に位
置する壁と該壁に支持された踊り場をコンクリートの現
場打ちによるRC造とし、鋼製ささら桁と該鋼製ささら
桁によって両側部を支持された鋼製段床とか成るS造階
段を前記踊り場間に架設している。
In order to achieve the above object, according to the present invention, the walls located on both sides in the width direction of the stairs are fire-resistant structural walls by a dry method, and the walls located on both sides in the length direction of the stairs. And the landing supported by the wall is made of RC by cast-in-place of concrete, and an S-structure staircase composed of a steel slab and a steel floor supported on both sides by the steel slab is erected between the landings. doing.

【0007】[0007]

【作用】上記の構成によれば、階段室の四周壁のうち、
階段の長さ方向両側に位置するRC造の壁が、構造部材
としての耐力を負担する。
According to the above arrangement, of the four peripheral walls of the staircase,
RC walls located on both sides in the length direction of the stairs bear the proof strength as a structural member.

【0008】階段室の幅方向両側の壁は、踊り場や段床
を支持していないので、構造部材として性能を要求され
ない。従って、この壁として、例えば、ALC版、軽鉄
下地と珪酸カルシウム板の組合せといった乾式工法によ
る耐火構造壁を採用できるのであり、施工性が良い
[0008] The walls on both sides in the width direction of the staircase do not support the landing and the floor, so that the performance is not required as a structural member. Therefore, as the wall, for example, an ALC plate, a fire-resistant structure wall by a dry method such as a combination of a light iron base and a calcium silicate plate can be adopted, and the workability is good.

【0009】また、踊り場もRC造としたので、S造階
段の形状がシンプルなものとなり、S造階段を安価なも
のとすることができる。
Also, since the landing is made of RC, the shape of the S staircase is simple, and the S staircase can be inexpensive.

【0010】[0010]

【実施例】図1及び図2は、コンクリートの現場打ちに
よるRC造建物における階段室の構造を示す。階段室の
四周壁のうち、階段の幅方向両側に位置する壁1,1は
乾式工法による耐火構造壁とされ、階段の長さ方向両側
に位置する壁2,2はコンクリートの現場打ちによるR
C造とされている。3a,3bは前記壁2,2に片持ち支持
された踊り場であり、コンクリートの現場打ちによるR
C造とされている。
1 and 2 show the structure of a staircase in an RC building by casting concrete in place. Of the four peripheral walls of the staircase, the walls 1, 1 located on both sides in the width direction of the stairs are fire-resistant structural walls by a dry method, and the walls 2, 2 located on both sides in the length direction of the stairs are made of concrete cast in place.
It is made of C. The landings 3a and 3b are cantilevered by the walls 2 and 2, respectively.
It is made of C.

【0011】4,4は前記踊り場3a,3b間に架設された
折返し型のS造(鉄骨造)階段であり、夫々、一対の鋼
製ささら桁4a,4aと該ささら桁4a,4aによって両側部を
支持された鋼製段床4bとから構成されている。5は階段
室中央側のささら桁4a,4aにビス等で固着された手摺り
支柱、6は手摺りである。
Reference numerals 4 and 4 denote folded-type S-frame (steel frame) stairs erected between the landings 3a and 3b, and are provided on both sides by a pair of steel slabs 4a and 4a, respectively. And a steel corrugated floor 4b whose section is supported. Reference numeral 5 denotes a handrail support fixed to the sasara girders 4a, 4a at the center of the staircase with screws or the like, and reference numeral 6 denotes a handrail.

【0012】前記壁1(乾式工法による耐火構造壁)と
して、この実施例では、軽鉄下地1aを組み、これに珪酸
カルシウム板1b,1bを貼着しているが、ALC板等を使
用してもよい。
In this embodiment, a light iron base 1a is assembled and calcium silicate plates 1b, 1b are adhered to the wall 1 (fire-resistant structure wall by a dry method), but an ALC plate or the like is used. You may.

【0013】前記踊り場3a,3bは、前記壁2,2と同時
にコンクリートを打設することによって構成されている
が、コンクリートの後打ちとし、壁2,2に打ち継いで
構成してもよい。
The landings 3a and 3b are constructed by casting concrete at the same time as the walls 2 and 2. However, the landings 3a and 3b may be constructed by post-casting concrete and connecting to the walls 2 and 2.

【0014】前記S造階段4としては、厚鋼板製のもの
でもよく、薄鋼板製のものであってもよい。また、前記
S造階段4としては、予め、工場生産されたものを用い
てもよいが、この実施例では、ノックダウン方式とされ
ている。
The S-shaped steps 4 may be made of a thick steel plate or a thin steel plate. Further, as the S-shaped staircase 4, a factory-produced one may be used in advance, but in this embodiment, a knockdown system is used.

【0015】具体的には、工場生産された薄鋼板製の中
空状ささら桁と薄鋼板製の段床構成部品とを建築現場の
敷地内に搬入し、現地で、複数個の段床構成部品同士を
ビス等で連結して前記段床4bを構成すると共に、当該段
床4bの両端部を両側の中空状ささら桁にビス等で連結す
ることによって構成されている。
More specifically, a factory-produced hollow steel girder made of thin steel sheet and a thin steel sheet floor component are carried into a site of a construction site, and a plurality of floor steel component parts are locally produced. The steps are connected by screws or the like to form the step floor 4b, and both ends of the step floor 4b are connected to the hollow slab beams on both sides by screws or the like.

【0016】[0016]

【発明の効果】本発明は、上述した構成よりなるから、
次の効果を奏し得るのである。階段の長さ方向両側に
位置する壁と踊り場だけを現場打ちRC造とし、階段室
の幅方向両側の壁を乾式工法による耐火構造壁とし、踊
り場間にS造階段を架設した構造であるから、狭い空間
内での型枠工事、鉄筋工事、支保工の作業量が激減す
る。段床のための複雑な形状の型枠、鉄筋工事が省略
される。型枠や支保工等の仮設材が減少する。上記
〜の結果、施工の省力化が達成され、工程短縮に寄
与する。踊り場をRC造としたので、S造階段の形状
がシンプルなものとなり、S造階段を安価なものとする
ことができる。即ち、従来のS造階段のように、踊り場
と段床部分とが一体となった鋼製階段では、形状が複雑
なため、高価なものとなるが、本発明によれば、このよ
うな欠点が回避されるのである。上記〜の結果、
低コストに施工できる。
Since the present invention has the above-described structure,
The following effects can be obtained. Only the walls and landings located on both sides of the stairs in the length direction are made of cast-in-place RC structures, the walls on both sides in the width direction of the staircase are made of fire-resistant structural walls by dry method, and S-shaped stairs are erected between landings. The amount of work for formwork, rebar work, and shoring work in narrow spaces will be drastically reduced. Complicated formwork for corrugated floors and rebar work are omitted. Temporary materials such as formwork and shoring will decrease. As a result of the above (1), labor saving of construction is achieved, which contributes to shortening of the process. Since the landing is made of RC, the shape of the S staircase becomes simple, and the S staircase can be inexpensive. That is, a steel staircase in which a landing and a floor portion are integrated like a conventional S-structure staircase is expensive due to its complicated shape. Is avoided. As a result of the above
Can be constructed at low cost.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る階段室の構造を示す平面図であ
る。
FIG. 1 is a plan view showing the structure of a staircase according to the present invention.

【図2】本発明に係る階段室の構造を示す縦断側面図で
ある。
FIG. 2 is a vertical sectional side view showing a structure of a staircase according to the present invention.

【符号の説明】[Explanation of symbols]

1 壁(乾式工法による耐火構造壁) 2 壁(RC造) 3a 踊り場(RC造) 4 S造階段 1 wall (fire-resistant structure wall by dry method) 2 wall (RC construction) 3a landing (RC construction) 4 S staircase

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 階段の幅方向両側に位置する壁を乾式工
法による耐火構造壁とし、階段の長さ方向両側に位置す
る壁と該壁に支持された踊り場をコンクリートの現場打
ちによるRC造とし、鋼製ささら桁と該鋼製ささら桁に
よって両側部を支持された鋼製段床とか成るS造階段を
前記踊り場間に架設してあることを特徴とする階段室の
構造。
1. The walls located on both sides of the stairs in the width direction are made of fire-resistant structure walls by dry method, and the walls located on both sides in the length direction of the stairs and the landing supported by the walls are made of RC by cast-in-place concrete. A staircase structure, wherein an S-shaped staircase consisting of a steel girder and a steel floor supported on both sides by the steel girder is erected between the landings.
JP3103914A 1991-04-08 1991-04-08 Staircase structure Expired - Fee Related JP2987469B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3103914A JP2987469B2 (en) 1991-04-08 1991-04-08 Staircase structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3103914A JP2987469B2 (en) 1991-04-08 1991-04-08 Staircase structure

Publications (2)

Publication Number Publication Date
JPH04309650A JPH04309650A (en) 1992-11-02
JP2987469B2 true JP2987469B2 (en) 1999-12-06

Family

ID=14366698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3103914A Expired - Fee Related JP2987469B2 (en) 1991-04-08 1991-04-08 Staircase structure

Country Status (1)

Country Link
JP (1) JP2987469B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002213087A (en) * 2001-01-17 2002-07-31 Sumitomo Forestry Co Ltd Approach of dwelling house
CN107630531B (en) * 2017-11-03 2023-01-03 中建一局华江建设有限公司 Large-cantilever bare concrete stair and construction method thereof

Also Published As

Publication number Publication date
JPH04309650A (en) 1992-11-02

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