JPH0841893A - Manufacture of caisson bottom slab section and bottom slab section structure of caisson - Google Patents

Manufacture of caisson bottom slab section and bottom slab section structure of caisson

Info

Publication number
JPH0841893A
JPH0841893A JP20146494A JP20146494A JPH0841893A JP H0841893 A JPH0841893 A JP H0841893A JP 20146494 A JP20146494 A JP 20146494A JP 20146494 A JP20146494 A JP 20146494A JP H0841893 A JPH0841893 A JP H0841893A
Authority
JP
Japan
Prior art keywords
caisson
steel plate
concrete
bottom slab
plate
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
Application number
JP20146494A
Other languages
Japanese (ja)
Other versions
JP3332595B2 (en
Inventor
Masashi Miyasaka
政司 宮坂
Akitoshi Ono
晶俊 小野
Narihiro Matsuda
成広 松田
Daijiro Nagasawa
大次郎 長澤
Tomohiro Makabe
知大 真壁
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP20146494A priority Critical patent/JP3332595B2/en
Publication of JPH0841893A publication Critical patent/JPH0841893A/en
Application granted granted Critical
Publication of JP3332595B2 publication Critical patent/JP3332595B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To enable the placing execution of concrete on the base of a caisson bottom slab section without inverting a large-sized bottom slab section in the manufacture of the caisson bottom slab section. CONSTITUTION:A plurality of mortar spacers 9 with a height of 50-250mm are installed on a floor face 3, and a plurality of small-sized panel-shaped steel plates, in which reinforcing materials such as studs are welded previously on bases, are welded and constructed on these spacers 9 while a bottom-slab section steel platy 5, in which sidewall steel plates 7 are welded on a top face, is placed. Forms 4 are mounted on a periphery, high flow concrete 8 is injected into a space 2 formed between the steel plate 5 and the floor face 3, and concrete is placed on the base of the bottom-slab section steel plate 5. Accordingly, the bottom-slab section steel plate 5 may not be inverted unlike a conventional method of construction, thus improving workability and safety. Concrete is placed for the sliding prevention of a caisson and the corrosion prevention of the steel plates.

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、防波堤や重力式係船岸
等に用いられる鋼製あるいは合成版式ケーソンの、底版
部の製作方法および底版部構造に関し、特に底版部鋼板
の摩擦増大および防喰のための施工方法および同施工方
法によって製作された底版部構造に関する。なお合成版
式浮桟橋にも適用可能である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a bottom plate portion and a structure of a bottom plate portion of a steel or composite plate type caisson used for a breakwater, a gravity quay, etc. And a bottom slab structure manufactured by the construction method. It can also be applied to a synthetic version floating pier.

【0002】[0002]

【従来の技術】一般に、防波堤や重力式係船岸等には、
図7に示すような、大型ブロック状の底版部Aと側壁部
Bとで形成された有底箱状のケーソン10が用いられてい
る。そして、このようなケーソン10は、従来図8に示す
手順で製作されている。すなわち、ドライドック20にお
いて、底版部Aの主体部を構成する鋼板製の大型の底版
部鋼板12の上面に、側壁鋼板7および隔壁鋼板6を溶接
[図8(a)]した後、反転し、底版部鋼板12の底面に溶
融アスファルト14を打設してアスファルトマット施工を
行なう[図8(b)]。
2. Description of the Related Art Generally, breakwaters and gravity moorings are
As shown in FIG. 7, a box-shaped caisson 10 with a bottom formed of a large block-shaped bottom plate portion A and a side wall portion B is used. Then, such a caisson 10 is conventionally manufactured by the procedure shown in FIG. That is, in the dry dock 20, the side wall steel plate 7 and the partition wall steel plate 6 are welded [FIG. 8 (a)] to the upper surface of the large bottom plate steel plate 12 made of steel plate that constitutes the main body of the bottom plate A, and then inverted. The molten asphalt 14 is cast on the bottom surface of the bottom plate steel plate 12 to perform asphalt mat construction [Fig. 8 (b)].

【0003】その後再度反転して、底版部鋼板12の上面
に、鉄筋15を配筋し[図8(c)]た後、底版コンクリー
ト16を打設し[図8(d)]て、合版式の底版部Aの製作
が完了する。ここで、アスファルトマットの施工は、ケ
ーソン10の滑動防止と底版部鋼板12の防喰のために行な
われるものである。なお、アスファルトを打設する前
に、底版部鋼板12の底面にL型スタッド11の溶殖や、L
型スタッド11の先端部に鉄筋15を溶接(図9参照)し、
アスファルトマットが底版部鋼板12から離脱するのを防
止できる構成になっている。
After reversing again, the reinforcing bars 15 are laid on the upper surface of the bottom plate steel plate 12 [Fig. 8 (c)], and then the bottom plate concrete 16 is placed [Fig. 8 (d)] and combined. The production of the bottom plate A of the plate type is completed. Here, the asphalt mat is constructed to prevent the caisson 10 from sliding and to prevent the bottom plate steel plate 12 from eating. Before casting the asphalt, the L-type studs 11 are melted on the bottom surface of the bottom plate steel plate 12,
Weld reinforcing bar 15 to the tip of mold stud 11 (see Fig. 9),
The asphalt mat can be prevented from coming off from the bottom plate steel plate 12.

【0004】上述の底版部Aの製作と併行して、側壁部
Bが組立てられる。この組立ては、鋼板製の側壁部材17
および鋼板製の隔壁部材18に補強鋼材17a等を溶接する
工程[図8(e)],側壁部材17にスタッドを溶接したり
鉄筋15を配筋したりする工程[図8(f)]および側壁部
材17と隔壁部材18とにより側壁部Bを組立てる工程[図
8(g)]からなり、このようにして組立てられた側壁部
Bを、底版部Aに搭載[図8(h)](このとき底版部A
の側壁鋼板7および隔壁鋼板6上に側壁部材17および隔
壁部材18が整合配置されるとともにそれらは互いに溶接
される)してから、外型枠の取り付けおよびコンクリー
ト19の打設を行ない、[図8(i)]、コンクリートの打
設完了後に外型枠を取り外してケーソン10の製作が完了
する[図8(j)]。その後ドライドック20に注水してケ
ーソン10を浮上させ、曳き船21で所定場所まで曳行する
[図8(i)]。
In parallel with the production of the bottom slab portion A, the side wall portion B is assembled. This assembly consists of a steel plate side wall member 17
And a step of welding the reinforcing steel material 17a and the like to the partition member 18 made of a steel plate [Fig. 8 (e)], a step of welding studs to the side wall member 17 and a reinforcing bar 15 [Fig. 8 (f)], and This includes the step of assembling the side wall portion B by the side wall member 17 and the partition wall member [FIG. 8 (g)], and the side wall portion B thus assembled is mounted on the bottom plate portion A [FIG. 8 (h)] ( At this time, the bottom plate part A
After the side wall member 17 and the partition wall member 18 are aligned and welded to each other on the side wall steel plate 7 and the partition wall steel plate 6), the outer formwork is attached and the concrete 19 is placed. 8 (i)], the caisson 10 is completed by removing the outer formwork after the concrete is poured [Fig. 8 (j)]. After that, water is poured into the dry dock 20 to float the caisson 10, and the tugboat 21 pulls the caisson to a predetermined location [Fig. 8 (i)].

【0005】[0005]

【発明が解決しようとする課題】ところで、上述のよう
に、従来のケーソン底版部の製作は、アスファルトマッ
ト施工を行なうときに、底版部鋼板を大型クレーンで吊
り上げ、反転させてL型スタッドの溶殖,配筋等の作業
を行なった後、溶融アスファルトを打設し、アスファル
トの硬化後にブロックを再反転させる必要があり、施工
性,安全性が悪く、工期も長くかかるという問題点があ
った。本発明は、このような問題点の解決をはかろうと
するものである。
By the way, as described above, in the conventional caisson bottom slab production, when performing asphalt mat construction, the bottom slab steel plate is lifted by a large crane and inverted to melt the L-shaped studs. After performing work such as breeding and bar arrangement, it is necessary to place molten asphalt, and to re-invert the block after the asphalt hardens, which poses the problem of poor workability and safety, and a long construction period. . The present invention seeks to solve such problems.

【0006】[0006]

【課題を解決するための手段】このため、請求項1に記
載のケーソン底版部の製作方法は、ケーソン底版部の製
作方法において、上記ケーソン底版部を形成する小形の
パネル状鋼板にスタッド等の補強材を溶殖してから反転
し、上記補強材を溶殖され、かつ、反転された鋼板の複
数枚を接合して所定寸法の底版部鋼板を構築し、同底版
部鋼板の底面にコンクリートを打設したことを特徴とし
ている。
Therefore, the method for manufacturing a caisson bottom slab according to claim 1 is the same as the method for manufacturing a caisson bottom slab in which a stud or the like is formed on a small panel steel plate forming the caisson bottom slab. After inverting the reinforcing material, the reinforcing material is melted, and a plurality of inverted steel plates are joined to construct a bottom plate steel plate of a predetermined size, and concrete is formed on the bottom surface of the bottom plate steel plate. It is characterized by having been installed.

【0007】また請求項2に記載のケーソン底版部の製
作方法は、請求項1に記載のケーソン底版部の製作方法
において、上記底版部鋼板をモルタルスペーサを介し床
面上に載置するとともに上記底版部鋼板の周囲に型枠を
設置してから、上記モルタルスペーサの介挿によって形
成されたスペースに高流動コンクリートを充填して上記
底版部鋼板の底面へのコンクリートの打設を行なうよう
にしたことを特徴としている。
A method for manufacturing a caisson bottom slab according to a second aspect is the same as the method for manufacturing a caisson bottom slab according to claim 1, wherein the bottom slab steel plate is placed on a floor surface via a mortar spacer and After the formwork was installed around the bottom plate steel plate, the space formed by inserting the mortar spacer was filled with high-fluidity concrete so that the concrete was placed on the bottom surface of the bottom plate steel plate. It is characterized by that.

【0008】さらに請求項3に記載のケーソンの底版部
構造は、底版部鋼板が小形パネル状鋼板の複数枚を溶接
して構築されるとともに、上記底版部鋼板の底面に、コ
ンクリートが打設されていることを特徴としている。
Further, in the caisson bottom slab structure according to claim 3, the bottom slab steel plate is constructed by welding a plurality of small panel steel plates, and concrete is placed on the bottom surface of the bottom slab steel plate. It is characterized by

【0009】[0009]

【作用】上述の本発明のケーソン底版部の製作方法およ
びケーソンの底版部構造では、底版部鋼板の底面に打設
されたコンクリートが底版部鋼板の防喰作用を行なうと
共に、ケーソンの滑動防止作用を行なう。また、底版部
鋼板を反転しないでその底面へコンクリートの打設を行
なうことにより、大型クレーンによる底版部鋼板の吊り
上げおよび反転作業が不必要となる。
In the method for manufacturing a caisson bottom slab and the structure of a caisson bottom slab of the present invention described above, concrete cast on the bottom surface of the bottom slab steel plate serves to prevent the bottom slab steel plate from eating and at the same time prevent the caisson from sliding. Do. Further, by placing concrete on the bottom surface of the bottom slab without turning it over, lifting and reversing work of the bottom slab by a large crane becomes unnecessary.

【0010】[0010]

【実施例】以下、図面により本発明の一実施例としての
ケーソン底版部の製作方法およびケーソンの底版部構造
について説明すると、図1は小形のパネル状鋼板の側面
図、図2は底版部鋼板の側面図、図3は底版部鋼板の平
面図、図4は小形のパネル状鋼板の平面図、図5は高流
動コンクリートの打設時の模式側面図、図6は高流動コ
ンクリートの打設後の模式側断面図である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of manufacturing a caisson bottom slab and a structure of a caisson bottom slab as an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a small panel steel plate, and FIG. 2 is a bottom slab steel plate. Side view, FIG. 3 is a plan view of a bottom plate steel plate, FIG. 4 is a plan view of a small panel steel plate, FIG. 5 is a schematic side view when pouring high-fluidity concrete, and FIG. 6 is pouring of high-fluidity concrete It is a schematic side sectional view after.

【0011】図3に示すように、この実施例では、小形
のパネル状鋼板1を縦方向に4枚、横方向に2枚並べ、
各鋼板1の各隣接端縁同志を溶接して、底版部鋼板5が
構築される。鋼板1を溶接して底版部鋼板5を構築する
前に、予め図1に示すように、鋼板1の底面(となる
面)にL型スタッド11を溶殖する。
As shown in FIG. 3, in this embodiment, four small panel-shaped steel plates 1 are arranged vertically and two horizontally.
The bottom edge plate steel plate 5 is constructed by welding adjacent edges of the steel plates 1. Before the steel plate 1 is welded to construct the bottom plate steel plate 5, as shown in FIG.

【0012】このL型スタッド11は、後述の高流動コン
クリートと鋼板1すなわち底版部鋼板5との結合を強固
にするとともに底版部鋼板5の補強を行なうためのもの
である。また、L型スタッド11のほかに、L型スタッド
11の先端に補強用の鉄筋なども溶接しておく。
The L-shaped stud 11 is for strengthening the connection between the later-described high-fluidity concrete and the steel plate 1, that is, the bottom plate steel plate 5, and for reinforcing the bottom plate steel plate 5. In addition to L-shaped stud 11, L-shaped stud
Weld reinforcing steel bars to the tip of 11.

【0013】次に、L型スタッド11等の溶殖の完了した
鋼板1を反転し、縦方向に4枚、横方向に2枚並べて各
鋼板1の各隣接端縁同志を溶接して底版部鋼板5を構築
する。そして、底版部鋼板5の上面にスタッド13および
鉄筋15を取り付け(図9参照)、さらに、側壁鋼板7お
よび隔壁鋼板6を溶接する。なお側壁鋼板7には予めス
タッド13が溶殖されている。
Next, the steel plates 1 such as the L-shaped studs 11 which have been completely melted are reversed, and four sheets are arranged in the longitudinal direction and two sheets are arranged in the lateral direction, and the adjacent edge edges of the respective steel sheets 1 are welded to each other to form the bottom plate portion. The steel plate 5 is constructed. Then, the studs 13 and the reinforcing bars 15 are attached to the upper surface of the bottom plate steel plate 5 (see FIG. 9), and the side wall steel plate 7 and the partition wall steel plate 6 are welded. The side wall steel plate 7 is preliminarily melted with studs 13.

【0014】ドライドックの床面3にアスファルトルー
フィング(図示せず)を敷き、その上に高さ50mm〜250m
mのモルタルスペーサ9を複数個設置し、それらの上
に、上記の手順で構築された底版部鋼板5を吊り上げ
(反転不要)て、載置し、さらに底版部鋼板5の周囲に
型枠4を設置する(図5参照)。なおアスファルトルー
フィングは後述の高流動コンクリートが床面3に付着す
るのを防止するために用いられる。
Asphalt roofing (not shown) is laid on the floor 3 of the dry dock, and the height is 50 mm to 250 m.
A plurality of m mortar spacers 9 are installed, and the bottom slab steel plate 5 constructed by the above procedure is lifted (no inversion required) on the mortar spacers 9 and placed thereon, and the form 4 is placed around the bottom slab steel plate 5. Are installed (see FIG. 5). The asphalt roofing is used to prevent the later-described high-fluidity concrete from adhering to the floor surface 3.

【0015】次いで、高流動コンクリート8を、モルタ
ルスペーサ9の設置により形成された床面3と底版部鋼
板5の下面との間のスペース2に注入して底版部鋼板5
の底面にコンクリートを打設する(図6参照)。符号22
はコンクリート注入用シュートを示している。
Next, the high-fluidity concrete 8 is poured into the space 2 between the floor surface 3 formed by the installation of the mortar spacer 9 and the lower surface of the bottom plate steel plate 5 to fill the bottom plate steel plate 5.
Place concrete on the bottom of the (see Fig. 6). Code 22
Shows a concrete pouring chute.

【0016】このまま高流動コンクリート8が硬化する
のを待ち、型枠4を取り外してケーソン10の底版部Aの
製作が完了する。このようにして製作された底版部A
に、従来と同様に側壁部Bを搭載し、全体にコンクリー
ト16を打設して、ケーソン10が完成する。なお、モルタ
ルスペーサ9はコンクリートの中に埋め込まれて一体化
される。
Waiting for the high-fluidity concrete 8 to harden as it is, the form 4 is removed, and the production of the bottom plate portion A of the caisson 10 is completed. Bottom plate part A produced in this way
Then, the side wall portion B is mounted in the same manner as in the conventional case, and concrete 16 is placed on the entire surface to complete the caisson 10. The mortar spacer 9 is embedded and integrated in concrete.

【0017】このように、この実施例では、取り扱いの
簡単な小形のパネル状鋼板にスタッド溶殖および配筋を
予め行ない、この小形のパネル状鋼板を反転した後複数
枚を溶接して大型の底版部鋼板を構築し、その後型枠の
設置、高流動コンクリートの打設を経て、底版部鋼板の
滑動防止と防喰のためにコンクリートを打設されたケー
ソン用底版部鋼板を製作するようにしたため、従来のよ
うに大ブロック状の底版部鋼板の吊り上げおよび反転作
業が不要となり、施工性,安全性の向上をはかることが
でき、さらに従来工法よりもケーソン製作工期の短縮化
も可能となる。
As described above, in this embodiment, the small panel-shaped steel sheet that is easy to handle is subjected to stud melting and bar arrangement in advance, the small panel-shaped steel sheet is inverted, and then a plurality of sheets are welded to form a large-sized sheet. After constructing the bottom slab steel plate, and then installing the formwork and placing the high-fluidity concrete, make the bottom slab steel plate for caisson with concrete cast to prevent the bottom slab steel plate from sliding and to prevent eating. This eliminates the need for lifting and reversing the large block-shaped bottom plate steel sheet, which can improve workability and safety, and also shortens the caisson manufacturing period compared to the conventional method. .

【0018】そして、底版部鋼板5の底面に打設された
コンクリートが、従来のアスファルトマットに代わって
底版部鋼板5の防喰作用および滑動防止作用を行なうこ
とは、言うまでもない。
Needless to say, the concrete cast on the bottom surface of the bottom plate steel plate 5 replaces the conventional asphalt mat to prevent the bottom plate steel plate 5 from eating and sliding.

【0019】[0019]

【発明の効果】以上詳述したように、本発明のケーソン
底版部の製作方法およびケーソンの底版部構造によれ
ば、次のような効果ないし利点が得られる。 (1) 大ブロック状の底版部鋼板の反転作業が不要とな
り、施工性,安全性の向上をはかることができる。 (2) 上記(1)により、工期の短縮化が可能となる。 (3) 簡単な製作方法により、防喰性に優れかつ滑動防止
機能を有するケーソン底版部を得ることができる。
As described in detail above, according to the caisson bottom slab manufacturing method and the caisson bottom slab structure of the present invention, the following effects and advantages are obtained. (1) The work of reversing the large block-shaped bottom plate steel plate is not required, and workability and safety can be improved. (2) Due to the above (1), the construction period can be shortened. (3) The caisson bottom slab having excellent anti-eating property and anti-slip function can be obtained by a simple manufacturing method.

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

【図1】本発明の一実施例としてのケーソン底版部の製
作方法およびケーソンの底版部構造における小形のパネ
ル状鋼板の側面図。
FIG. 1 is a side view of a small panel-shaped steel plate in a caisson bottom slab manufacturing method and a caisson bottom slab structure as one embodiment of the present invention.

【図2】同底版部鋼板の側面図。FIG. 2 is a side view of the bottom plate steel sheet.

【図3】同底版部鋼板の平面図。FIG. 3 is a plan view of the bottom plate steel sheet.

【図4】同小形のパネル状鋼板の平面図。FIG. 4 is a plan view of the same small panel steel plate.

【図5】同高流動コンクリートの打設時の模式側面図。FIG. 5 is a schematic side view at the time of placing the high-fluidity concrete.

【図6】同高流動コンクリートの打設後の模式側断面
図。
FIG. 6 is a schematic side cross-sectional view after pouring the high-fluidity concrete.

【図7】従来のケーソンの斜視図。FIG. 7 is a perspective view of a conventional caisson.

【図8】同ケーソンの製作手順を示す模式図。FIG. 8 is a schematic view showing a manufacturing procedure of the caisson.

【図9】同アスファルトマット施工された底版部の側断
面図。
FIG. 9 is a side cross-sectional view of a bottom slab portion on which the asphalt mat is constructed.

【符号の説明】[Explanation of symbols]

1 小形のパネル状鋼板 2 スペース 3 床面 4 型枠 5 底版部鋼板 6 隔壁鋼板 7 側壁鋼板 8 高流動コンクリート 9 モルタルスペーサ 10 ケーソン 11 L型スタッド 12 底版部鋼板 13 スタッド 14 アスファルトマット 15 鉄筋 16 底板コンクリート 17 側壁部材 18 隔壁部材 19 コンクリート 20 ドライドック 21 曳船 22 コンクリート注入用シュート A 底版部 B 側壁部 1 Small panel steel plate 2 Space 3 Floor surface 4 Formwork 5 Bottom plate steel plate 6 Partition steel plate 7 Sidewall steel plate 8 High-fluidity concrete 9 Mortar spacer 10 Caisson 11 L-type stud 12 Bottom plate steel plate 13 Stud 14 Asphalt mat 15 Rebar 16 Bottom plate Concrete 17 Side wall member 18 Bulkhead member 19 Concrete 20 Dry dock 21 Tugboat 22 Concrete injection chute A Bottom plate part B Side wall part

───────────────────────────────────────────────────── フロントページの続き (72)発明者 長澤 大次郎 横浜市中区錦町12番地 三菱重工業株式会 社横浜製作所内 (72)発明者 真壁 知大 横浜市中区錦町12番地 三菱重工業株式会 社横浜製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Daijiro Nagasawa, 12 Nishikicho, Naka-ku, Yokohama-shi, Mitsubishi Heavy Industries, Ltd.Yokohama Works (72) Inventor Makabe Chida, 12 Nishiki-cho, Naka-ku, Yokohama Mitsubishi Heavy Industries, Ltd. Yokohama Inside the factory

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 ケーソン底版部の製作方法において、 上記ケーソン底版部を形成する小形のパネル状鋼板にス
タッド等の補強材を溶殖してから反転し、 上記補強材を溶殖され、かつ、反転された鋼板の複数枚
を接合して所定寸法の底版部鋼板を構築し、同底版部鋼
板の底面にコンクリートを打設したことを特徴とする、
ケーソン底版部の製作方法。
1. A method for manufacturing a caisson bottom slab, wherein a reinforcing material such as a stud is melted in a small panel steel plate forming the caisson bottom slab and then inverted, and the reinforcing material is melted, and Characterized in that a plurality of inverted steel plates are joined to construct a bottom plate steel plate of a predetermined size, and concrete is placed on the bottom surface of the bottom plate steel plate,
How to make a caisson bottom plate.
【請求項2】 請求項1に記載のケーソン底版部の製作
方法において、 上記底版部鋼板をモルタルスペーサを介し床面上に載置
するとともに上記底版部鋼板の周囲に型枠を設置してか
ら、上記モルタルスペーサの介挿によって形成されたス
ペースに高流動コンクリートを充填して上記底版部鋼板
の底面へのコンクリートの打設を行なうようにしたこと
を特徴とする、ケーソン底版部の製作方法。
2. The method for manufacturing a caisson bottom slab according to claim 1, wherein the bottom slab steel plate is placed on a floor surface via a mortar spacer, and a mold is installed around the bottom slab steel plate. A method of manufacturing a caisson bottom slab, characterized in that the space formed by inserting the mortar spacer is filled with high-fluidity concrete so that the concrete is placed on the bottom surface of the bottom slab steel plate.
【請求項3】 底版部鋼板が小形パネル状鋼板の複数枚
を溶接して構築されるとともに、上記底版部鋼板の底面
に、コンクリートが打設されていることを特徴とする、
ケーソンの底版部構造。
3. The bottom plate steel plate is constructed by welding a plurality of small panel steel plates, and concrete is cast on the bottom surface of the bottom plate steel plate.
Caisson bottom plate structure.
JP20146494A 1994-08-03 1994-08-03 How to make a caisson bottom plate Expired - Fee Related JP3332595B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20146494A JP3332595B2 (en) 1994-08-03 1994-08-03 How to make a caisson bottom plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20146494A JP3332595B2 (en) 1994-08-03 1994-08-03 How to make a caisson bottom plate

Publications (2)

Publication Number Publication Date
JPH0841893A true JPH0841893A (en) 1996-02-13
JP3332595B2 JP3332595B2 (en) 2002-10-07

Family

ID=16441526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20146494A Expired - Fee Related JP3332595B2 (en) 1994-08-03 1994-08-03 How to make a caisson bottom plate

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013119754A (en) * 2011-12-08 2013-06-17 Penta Ocean Construction Co Ltd Construction method for pier structure
CN103317247A (en) * 2013-07-09 2013-09-25 上海华润大东船务工程有限公司 Backwater welding process and determining method thereof
CN114277823A (en) * 2021-12-29 2022-04-05 中交路桥建设有限公司 Sleeve box with bottom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013119754A (en) * 2011-12-08 2013-06-17 Penta Ocean Construction Co Ltd Construction method for pier structure
CN103317247A (en) * 2013-07-09 2013-09-25 上海华润大东船务工程有限公司 Backwater welding process and determining method thereof
CN114277823A (en) * 2021-12-29 2022-04-05 中交路桥建设有限公司 Sleeve box with bottom
CN114277823B (en) * 2021-12-29 2024-03-26 中交路桥建设有限公司 Bottom sleeve box

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