JP2540016Y2 - Reinforced concrete stairs - Google Patents

Reinforced concrete stairs

Info

Publication number
JP2540016Y2
JP2540016Y2 JP1991086896U JP8689691U JP2540016Y2 JP 2540016 Y2 JP2540016 Y2 JP 2540016Y2 JP 1991086896 U JP1991086896 U JP 1991086896U JP 8689691 U JP8689691 U JP 8689691U JP 2540016 Y2 JP2540016 Y2 JP 2540016Y2
Authority
JP
Japan
Prior art keywords
base plate
pca
semi
concrete
finished product
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 - Lifetime
Application number
JP1991086896U
Other languages
Japanese (ja)
Other versions
JPH0532557U (en
Inventor
兼章 足土
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 Corp
Original Assignee
Takenaka Corp
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
Application filed by Takenaka Corp filed Critical Takenaka Corp
Priority to JP1991086896U priority Critical patent/JP2540016Y2/en
Publication of JPH0532557U publication Critical patent/JPH0532557U/en
Application granted granted Critical
Publication of JP2540016Y2 publication Critical patent/JP2540016Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】本考案は、各種コンクリート建物
における鉄筋コンクリート階段に係るものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to reinforced concrete stairs in various concrete buildings.

【0002】[0002]

【従来の技術】各種コンクリート建物における鉄筋コン
クリート階段は、大半が現場施工により構築されてお
り、わずかながらPca化(プレキャストコンクリート
化)されている現状である。
2. Description of the Related Art Reinforced concrete stairs in various concrete buildings are mostly constructed by on-site construction, and are slightly Pca (precast concrete) at present.

【0003】[0003]

【考案が解決しようとする課題】しかし、現場施工によ
るときは、 型枠の組立・解体に甚だ時間が掛かる。 型枠の解体材、転用材等が常に階段室に置かれるた
め、通行に支障を来す場合が多い。 踏面、け上げ面の仕上げモルタルを二回以上塗る必
要があって、仕上げに手間が掛かり、工事中の通路通行
止めは作業の支障となる。などの問題点があり、また、
Pca化によるときは、 重量が重く、一般構造では受梁が必要である。 重量が重いため、運搬が困難であり、組立てが容易
でなく、運搬時、組立時に損傷し易い。などの問題点が
ある。本考案は、これらの問題点を解決しようとするも
のである。
[Problem to be solved by the present invention] However, when it is performed on site, it takes a lot of time to assemble and disassemble the formwork. The dismantling and conversion materials of the formwork are always placed in the staircase, which often hinders traffic. It is necessary to apply the finishing mortar on the tread and lift surfaces more than twice, which takes time to finish, and blocking the passage during construction is a hindrance to the work. There are problems such as
When Pca is used, the weight is heavy, and a beam is required for a general structure. Due to its heavy weight, it is difficult to carry, is not easy to assemble, and is easily damaged during transportation and assembly. There are problems such as. The present invention seeks to solve these problems.

【0004】[0004]

【課題を解決するための手段】本考案は、傾斜させて配
した半製品プレキャストコンクリート基版(以下、ハー
フPca基版という。)1の上に複数の完成製品乃至半
製品プレキャストコンクリートけこみ版(以下、単にP
caけこみ版という。)2を配列し、これらのPcaけ
こみ版の内側で且つ前記ハーフPca基版1の上面に複
数の打込み中空型枠3を配列し、これらの打込み中空型
枠の上にて各段毎に断面逆L字状に形成したメッシュ筋
4を配筋し、而して、それらのPcaけこみ版2の内側
で且つハーフPca基版1上にコンクリート5を打設一
体化させて各段部6を形成したことを特徴とする。
According to the present invention, a plurality of finished products or semi-finished precast concrete intaglios are provided on a semi-finished precast concrete base plate (hereinafter referred to as a half-Pca base plate) 1 which is arranged at an inclination. (Hereafter simply P
It is called the ca cabin version. ) 2 are arranged, and a plurality of hollow molds 3 are arranged inside these Pca-embedded plates and on the upper surface of the half-Pca base plate 1. The mesh bars 4 formed in an inverted L-shaped cross section are arranged, and the concrete 5 is cast and integrated inside the Pca-embedded plates 2 and on the half-Pca base plate 1 to integrate each step. 6 is formed.

【0005】[0005]

【作用】如上の構成であるから、ハーフPca基版1と
Pcaけこみ版2は、型枠の組立・解体を排するととも
に、これら自体による裏面、け上げ面の仕上げ作業の省
略、並びに、打設コンクリート直押えによる踏面の仕上
げ作業の省略を可能にし、打込み中空型枠3は、階段の
中空化による軽量化を可能にし、メッシュ筋4は、鉄筋
の先組みを可能にする。
With the above construction, the half Pca base plate 1 and the Pca engraving plate 2 eliminate the assembling and dismantling of the formwork, and omit the finishing work of the back surface and the raised surface by themselves, and The finishing work of the tread surface can be omitted by directly placing concrete, the hollow hollow formwork 3 enables the weight to be reduced by hollowing out the stairs, and the mesh bar 4 enables the pre-assembly of the reinforcing bar.

【0006】[0006]

【実施例】図1、図2は、現場施工に係る実施例を示し
ている。図において、1は、傾斜させて配したハーフP
ca基版、2は、ハーフPca基版の上に配列した複数
のPcaけこみ版、3は、これらのPcaけこみ版の内
側で且つそのハーフPca基版1の上面に配列した複数
の打込み中空型枠、4は、これらの打込み中空型枠の上
にて各段毎に配筋した断面逆L字状に形成したメッシュ
筋、5は、それらのPcaけこみ版2の内側で且つハー
フPca基版1上に打設一体化させて各段部6を形成し
たコンクリートである。ハーフPca基版1は、現場サ
イト又は工場で作製し、下面を完成面、上面を未完成面
としたものであり、水平に配した所定の型枠の内部に適
宜基版配筋11を施し、該基版配筋の適所に複数のウエー
ブ筋12の谷部を溶接して山部を上方へと伸出させ、該山
部が突出した状態でコンクリート13を打設し、所定強度
発現後脱型して成る。Pcaけこみ版2は、上記ハーフ
Pca基版1と同様に、現場サイト又は工場で作製し、
外面を完成面、内面を完成面又は未完成面としたもので
あり、水平に配した所定の型枠に配筋を施し、コンクリ
ートを打設して成形し、脱型したものである。なお、半
製品とするときは、上記ハーフPca基版1に準ずれば
よい。打込み中空型枠3は、フォームポリスチレン樹脂
により成形したものであり、丸形のものである。具体的
には、図示の半球状又は蒲鉾状がよい。メッシュ筋4
は、縦筋と横筋を格子状に配して溶接したものである。
1 and 2 show an embodiment relating to on-site construction. In the figure, 1 is a half P arranged at an angle
The ca base plate 2 has a plurality of Pca intaglio plates arranged on the half Pca base plate, and the reference numeral 3 has a plurality of punches arranged inside the Pca intaglio plate and on the upper surface of the half Pca base plate 1. The hollow formwork 4 is a mesh bar formed in an inverted L-shape in cross section, and the reinforcement 5 is arranged at each step on the driven hollow formwork. This is concrete in which each step 6 is formed by being cast and integrated on the Pca base plate 1. The half Pca base plate 1 is manufactured at a site or a factory, the lower surface is a completed surface, and the upper surface is an unfinished surface. The base plate reinforcement 11 is appropriately provided inside a predetermined horizontally arranged formwork. Welding the valleys of the plurality of wave streaks 12 at appropriate places of the base bar arrangement, extending the ridges upward, and placing concrete 13 with the ridges protruding, after the predetermined strength is developed. Demolded. The Pca intaglio plate 2 is produced at a site or a factory in the same manner as the half-Pca base plate 1,
The outer surface is a completed surface, and the inner surface is a completed surface or an unfinished surface. Reinforcement is applied to a predetermined horizontally arranged formwork, concrete is cast and molded, and the mold is removed. When a semi-finished product is obtained, the half Pca base plate 1 may be used. The hollow hollow form 3 is formed from a foamed polystyrene resin, and has a round shape. Specifically, a hemispherical or semi-cylindrical shape shown in the figure is preferable. Mesh streaks 4
Is obtained by arranging vertical streaks and horizontal streaks in a lattice shape and welding them.

【0007】[0007]

【考案の効果】本考案によれば、傾斜させて配したハー
フPca基版1と、該ハーフPca基版の上に配列した
複数のPcaけこみ版2と、これらのPcaけこみ版の
内側で且つそのハーフPca基版1の上面に配列した複
数の打込み中空型枠3と、これらの打込み中空型枠の上
にて各段毎に配筋した断面逆L字状に形成したメッシュ
筋4と、それらのPcaけこみ版2の内側で且つハーフ
Pca基版1上に打設一体化させて各段部6を形成した
コンクリート5とから成るので、次の効果を奏する。 ハーフPca基版1とPcaけこみ版2とを用いる
ので、階段に係わる型枠の組立・解体を排することがで
き、工期を短縮できる。 階段に係わる型枠の解体材、転用材等が階段室に置
かれることはなく、通行に支障を来すことがない。 ハーフPca基版1とPcaけこみ版2とにより、
階段の裏面、け上げ面の仕上げ作業を省略でき、また、
打設コンクリート5の直押えにより、踏面の仕上げ作業
を省略でき、したがって、仕上げに手間が掛からず、仕
上げ工事に係わる通路通行止めによる作業の支障をなく
すことができる。 打込み中空型枠3による中空化で階段を軽量化でき
るので、受梁が不要である。 メッシュ筋4を先組みでき、現場サイト又は工場に
て容易に行え、工期を短縮できる。 各部材が軽量であるから、運搬、組立てが容易であ
り、運搬時、組立時の損傷が少ない。 以上により、品質を向上でき、コストを低減でき。
According to the present invention, according to the present invention, a half Pca base plate 1 which is arranged at an inclination, a plurality of Pca intaglio plates 2 arranged on the half Pca base plate, and the inside of these Pca intaglio plates And a plurality of driving hollow molds 3 arranged on the upper surface of the half-Pca base plate 1, and mesh bars 4 formed in an inverted L-shaped cross section and arranged on each of the driving hollow molds for each step. And the concrete 5 having the respective step portions 6 formed by being cast and integrated inside the Pca intaglio plate 2 and on the half-Pca base plate 1, the following effects can be obtained. Since the half Pca base plate 1 and the Pca intaglio plate 2 are used, assembly and disassembly of the formwork relating to the stairs can be eliminated, and the construction period can be shortened. Demolition and conversion materials of the formwork related to the stairs are not placed in the staircase, and there is no hindrance to traffic. By the half Pca base plate 1 and the Pca sink plate 2,
Finishing work on the back side of the stairs and the raised side can be omitted,
The work of finishing the tread can be omitted by directly holding down the cast concrete 5, so that the finishing work can be done without any trouble, and the obstacle to the work due to the passage blocking related to the finishing work can be eliminated. Since the stairs can be reduced in weight by hollowing with the driven hollow formwork 3, a receiving beam is unnecessary. The mesh streaks 4 can be pre-assembled, easily performed at a site or a factory, and the construction period can be reduced. Since each member is lightweight, it is easy to carry and assemble, and there is little damage during transportation and assembly. As described above, the quality can be improved and the cost can be reduced.

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

【図1】本考案の実施例を示す截断側面図である。FIG. 1 is a sectional side view showing an embodiment of the present invention.

【図2】同例の截断斜視図である。FIG. 2 is a cutaway perspective view of the same example.

【符号の説明】[Explanation of symbols]

1 ハーフPca基版2 Pcaけこみ版 3 打込み中空型枠 4 メッシュ筋 5 コンクリート 6 段部 11 基版配筋 12 ウエーブ筋 13 コンクリート REFERENCE SIGNS LIST 1 Half Pca base plate 2 Pca recessed plate 3 Driving hollow formwork 4 Mesh bar 5 Concrete 6 Step 11 Base bar arrangement 12 Wave bar 13 Concrete

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 傾斜させて配した半製品プレキャストコ
ンクリート基版1の上に複数の完成製品乃至半製品プレ
キャストコンクリートけこみ版2を配列し、これらの完
成製品乃至半製品プレキャストコンクリートけこみ版の
内側で且つ前記半製品プレキャストコンクリート基版1
の上面に複数の打込み中空型枠3を配列し、これらの打
込み中空型枠の上にて各段毎に断面逆L字状に形成した
メッシュ筋4を配筋し、而して、それらの完成製品乃至
半製品プレキャストコンクリートけこみ版2の内側で且
つ半製品プレキャストコンクリート基版1上にコンクリ
ート5を打設一体化させて各段部6を形成したことを特
徴とする鉄筋コンクリート階段。
1. A plurality of finished products or semi-finished product precast concrete intaglios 2 are arranged on an inclined semi-finished product precast concrete base plate 1, and these finished products or semi-finished product precast concrete intaglios are arranged. Inside and the semi-finished precast concrete base plate 1
A plurality of driving hollow forms 3 are arranged on the upper surface of the above, and a mesh streak 4 formed in an inverted L-shaped cross section is arranged on each of the driving hollow forms 3 on each of the steps. A reinforced concrete staircase wherein concrete steps 5 are formed by casting and integrating concrete 5 inside a finished product or semi-finished product precast concrete intaglio plate 2 and on a semi-finished product precast concrete base plate 1.
JP1991086896U 1991-09-26 1991-09-26 Reinforced concrete stairs Expired - Lifetime JP2540016Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991086896U JP2540016Y2 (en) 1991-09-26 1991-09-26 Reinforced concrete stairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991086896U JP2540016Y2 (en) 1991-09-26 1991-09-26 Reinforced concrete stairs

Publications (2)

Publication Number Publication Date
JPH0532557U JPH0532557U (en) 1993-04-27
JP2540016Y2 true JP2540016Y2 (en) 1997-07-02

Family

ID=13899601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991086896U Expired - Lifetime JP2540016Y2 (en) 1991-09-26 1991-09-26 Reinforced concrete stairs

Country Status (1)

Country Link
JP (1) JP2540016Y2 (en)

Also Published As

Publication number Publication date
JPH0532557U (en) 1993-04-27

Similar Documents

Publication Publication Date Title
JP2540016Y2 (en) Reinforced concrete stairs
JP2706742B2 (en) Construction method of reinforced concrete stairs, stair handrail precast concrete slab and stair step formwork used for it
JP3701078B2 (en) Road slab construction method
KR102277374B1 (en) Formwork System and Method for Reverse Casting Construction to Apartment Structures
JP3137448B2 (en) Construction method of concrete main tower
KR100361047B1 (en) Construction mold
CN113103410A (en) Self-propelled integral hydraulic formwork equipment for prefabricating T-shaped beam
JPH08158572A (en) Precast concrete stairs and construction thereof
JP2884440B2 (en) Formwork for construction of concrete prism and construction method of column using it
JP3041143B2 (en) Manufacturing method of precast concrete stairs with handrails
JPH0557131U (en) PC wall formwork
KR102614041B1 (en) Method for constructing precast concrete staircase
KR0141462B1 (en) Method of prefabricating stairway
JP2851463B2 (en) Construction method and cast-in hollow formwork of reinforced concrete diagonal roof.
JPH1025804A (en) Constructing method for building
JP2896238B2 (en) Method of manufacturing semi-finished product outer wall Pca plate with return rib
JP2657390B2 (en) Construction method of inclined concrete structure
JP2560802Y2 (en) Permanent formwork for beams and their mountings
JPH0136568Y2 (en)
JPH07216907A (en) Building method of building foundation and manufacture of foundation member
JP2005264600A (en) Manufacturing method for precast-concrete staircase constituting body
JPH09111863A (en) Precast member concurrently serving as column form and construction method of column member using this
CN115446971A (en) Turnover air bag template for pouring prefabricated hollow column and manufacturing method thereof
JPH0540195Y2 (en)
KR20040092081A (en) Concrete slab construction method using table form

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees