JP2000170264A - Panel point structure of steel-concrete composite structure - Google Patents
Panel point structure of steel-concrete composite structureInfo
- Publication number
- JP2000170264A JP2000170264A JP34811898A JP34811898A JP2000170264A JP 2000170264 A JP2000170264 A JP 2000170264A JP 34811898 A JP34811898 A JP 34811898A JP 34811898 A JP34811898 A JP 34811898A JP 2000170264 A JP2000170264 A JP 2000170264A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- concrete
- shaped member
- bar
- steel box
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋼・コンクリート
複合トラス橋梁などにおける鋼・コンクリート複合構造
物の格点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 point structure of a steel / concrete composite structure such as a steel / concrete composite truss bridge.
【０００２】[0002]
【従来の技術】橋梁における施工の合理化、工期の短
縮、コストの削減を図るため、従来より主桁自重の軽減
化、例えば、主桁を鋼とコンクリートの複合構造とする
ことや、ウエブに鋼材を用い、主桁自重の大幅な軽量化
を行うことがなされている。2. Description of the Related Art In order to streamline construction, shorten the construction period, and reduce costs in bridges, the weight of the main girder has been reduced conventionally, for example, the main girder has a composite structure of steel and concrete, and the web has a steel material. , The weight of the main girder is significantly reduced.
【０００３】ここでＰＣ箱桁橋のウェブをトラス構造と
した例をもとに具体的に説明すると、図８は外ケーブル
３と内ケーブル４とによるＰＣ橋梁１の主桁２の上側床
版５と下側床版６を棒状部材７で結合したトラスウエブ
構造による主桁を示している。[0003] Here, a specific description will be given based on an example in which the web of the PC box girder bridge has a truss structure. FIG. 8 shows an upper floor slab of a main girder 2 of a PC bridge 1 using an outer cable 3 and an inner cable 4. 5 shows a main girder having a truss web structure in which 5 and a lower floor slab 6 are connected by a bar-shaped member 7.
【０００４】このような鋼・コンクリート複合トラス橋
梁での接合方法としては、従来行われているような、鋳
鋼埋設やボルト接合等による鋼材主体の接合方法や高強
度鉄筋等を利用した鉄筋コンクリート主体の接合方法が
ある。[0004] As a method of joining such a steel / concrete composite truss bridge, there are conventional joining methods mainly using steel materials such as burying cast steel and bolting, and mainly using reinforced concrete using high-strength rebar. There is a joining method.
【０００５】[0005]
【発明が解決しようとする課題】しかし、鋼材主体の接
合方法では使用鋼材が多くなり、また、据え付け精度を
確保するために施工手間が増えることからコストが高く
なる。一方、コンクリート主体の接合方法では配筋が密
になり、格点部の寸法も大きくなるため設計上の制約や
コストの上昇が避けられない。However, in the joining method mainly using steel materials, the number of steel materials to be used increases, and more work is required to secure the installation accuracy, resulting in higher costs. On the other hand, in the concrete-based joining method, the reinforcing bars are densely arranged and the dimensions of the girder are large, so that design restrictions and cost increases are inevitable.
【０００６】本発明の目的は前記従来例の不都合を解消
し、鋼材量が少なく、かつ、小型の格点構造とすること
ができ、施工性もよく、安価に施工できる鋼・コンクリ
ート複合構造物の格点構造を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the disadvantages of the prior art, to reduce the amount of steel material, to provide a small point structure, to improve the workability, and to construct the steel / concrete composite structure at low cost. It is to provide a point structure.
【０００７】[0007]
【課題を解決するための手段】本発明は前記目的を達成
するため、第１に、棒状部材の挿入面が矩形に開口する
鋼製ボックスの内部に棒状部材を挿入して両者をコンク
リートで一体化したこと、第２に、鋼製ボックスはコン
クリートとのせん断力伝達性能を向上させる異形加工を
施すこと、第３に、棒状部材の端部を、鋼製ボックスに
設ける底板に結合すること、第４に、鋼製ボックスに挿
入される棒状部材の周面にジベルを形成することを要旨
とするものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention firstly inserts a rod-shaped member into a steel box in which the insertion surface of the rod-shaped member has a rectangular opening, and integrates both members with concrete. Secondly, the steel box is subjected to deforming to improve the shear force transmission performance with concrete, and thirdly, the end of the rod-shaped member is connected to a bottom plate provided in the steel box, Fourth, the gist of the present invention is to form a dowel on the peripheral surface of the rod-shaped member inserted into the steel box.
【０００８】請求項１記載の本発明によれば、棒状部材
を鋼製ボックスに挿入した状態で両者をコンクリートに
より一体化するため、鋼製ボックスと棒状部材が相互に
両者を囲むコンクリートを拘束する結果となる。これに
よりコンクリートの強度・靱性・剛性が強化され、棒状
部材に生じる軸力が効果的にコンクリートに伝達でき
る。According to the first aspect of the present invention, since the rod-shaped member is integrated with concrete while the rod-shaped member is inserted into the steel box, the steel box and the rod-shaped member restrain concrete surrounding both. Results. Thereby, the strength, toughness, and rigidity of the concrete are enhanced, and the axial force generated in the rod-shaped member can be effectively transmitted to the concrete.
【０００９】請求項２記載の本発明によれば、構造系を
構成するコンクリートとの付着力を増大する異形加工を
鋼製ボックスに施すことにより、両者間の応力伝達、特
にせん断力の伝達効率が向上できる。According to the second aspect of the present invention, by performing deforming on the steel box to increase the adhesive force with the concrete constituting the structural system, the stress transmission between the two, particularly the transmission efficiency of the shearing force, is performed. Can be improved.
【００１０】請求項３記載の本発明によれば、鋼製ボッ
クスに設ける底板と棒状部材の端部を溶接またはボルト
止め等で結合するため、棒状部材に生じる特に引張り応
力を構造系全体に効率的に伝達できる。According to the third aspect of the present invention, since the bottom plate provided on the steel box and the end of the rod-shaped member are joined by welding or bolting, the tensile stress generated in the rod-shaped member is effectively reduced throughout the structural system. Can be communicated.
【００１１】請求項４記載の本発明によれば、鋼製ボッ
クス内に挿入する棒状部材端部にジベルを設けるため、
鋼製ボックス内のコンクリートと棒状部材との付着力が
向上し、棒状部材に生ずる軸力を効率的に構造系全体に
伝達できる。According to the present invention, a dowel is provided at the end of the rod-shaped member to be inserted into the steel box.
The adhesive force between the concrete in the steel box and the rod-shaped member is improved, and the axial force generated in the rod-shaped member can be efficiently transmitted to the entire structural system.
【００１２】[0012]
【発明の実施の形態】以下、図面について本発明の実施
の形態を詳細に説明する。図１は本発明の鋼・コンクリ
ート複合構造物の格点構造の１実施形態を示す縦断側面
図、図２は同上要部の平面図である。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a longitudinal sectional side view showing an embodiment of a point structure of a steel / concrete composite structure according to the present invention, and FIG. 2 is a plan view of essential parts of the same.
【００１３】鋼・コンクリートの複合トラス橋梁は前記
図８について説明した通りであり、ＰＣ箱桁橋の主桁２
のウェブにトラスを用いた構造としたもので、ＰＣ橋梁
１の主桁２を上側床版５と下側底版６とを棒状部材７
ａ，７ｂで結合したトラスウエブ構造による箱桁とす
る。The composite truss bridge made of steel and concrete is as described with reference to FIG.
The main girder 2 of the PC bridge 1 is connected to the upper floor slab 5 and the lower bottom slab 6 by a rod-shaped member 7.
The box girder has a truss web structure joined by a and 7b.
【００１４】かかる鋼管10による棒状部材７ａ，７ｂは
棒状部材７ａが引張側の斜材、棒状部材７ｂが圧縮側の
斜材となるが、引張斜材である棒状部材７ａの先端を挿
入面を矩形に開口する鋼製ボックス８に差し入れ、両者
をコンクリートで一体化する。The rod-shaped members 7a and 7b made of the steel pipe 10 are such that the rod-shaped member 7a is a diagonal member on the tension side and the rod-shaped member 7b is a diagonal member on the compression side. It is inserted into a rectangular steel box 8 and the two are integrated with concrete.
【００１５】この鋼製ボックス８は底面プレート８ｂを
設け、該底面プレート８ｂに棒状部材７ａを溶接あるい
はボルト止めなどにより結合してもよい。The steel box 8 may be provided with a bottom plate 8b, and the bar-shaped member 7a may be connected to the bottom plate 8b by welding or bolting.
【００１６】鋼管10は円管以外の矩形断面のものや、Ｈ
型、Ｉ型の各種型鋼を用いてもよい。さらに棒状部材７
ａ，７ｂの材質については、コンクリート製、鉄筋コン
クリート製、プレストレスコンクリート製等、設計に最
適な材料を選択できる。The steel pipe 10 has a rectangular cross section other than a circular pipe,
Various types of mold steel such as a mold and an I-type may be used. Further, the rod-shaped member 7
As for the materials a and 7b, it is possible to select a material most suitable for the design, such as concrete, reinforced concrete, and prestressed concrete.
【００１７】コンクリートへのせん断伝達性能を向上す
るために、鋼製ボックス８に異形加工を設けるが、この
異形加工には、スタットジベル、穴あき鋼板ジベル等種
々の方法が考えられる。In order to improve the shear transfer performance to the concrete, the steel box 8 is provided with a deforming process. For the deforming process, various methods such as a stat dowel and a perforated steel plate dowel can be considered.
【００１８】本実施形態の前記鋼製ボックス８は、図３
〜図５に示すようにボックスの側面の板に孔あけ加工を
行い円形孔８ａを多数設け、上面開放で下方にすぼまる
側面台形状の箱体とした。The steel box 8 of the present embodiment is shown in FIG.
As shown in FIG. 5, a large number of circular holes 8a were formed in the plate on the side surface of the box to form a side trapezoidal box body which is open downward and narrows downward.
【００１９】鋼製ボックス８の形状はこれに限定され
ず、上面に棒状部材７ａ，７ｂが挿入する開放面があれ
ばよい。鋼製ボックス８に設ける孔の形状としては円形
以外にもスリット状等多数のものがあり、孔あけの結
果、鋼製ボックス８の表裏面に存在するコンクリートが
連通すればよい。これによりトラス構造の下側床版６お
よび上側床版５の断面内に生ずるせん断力を効率よく構
造系全体に伝達することが可能となる。The shape of the steel box 8 is not limited to this, and it is sufficient if the upper surface has an open surface into which the bar members 7a and 7b are inserted. The hole provided in the steel box 8 has a large number of shapes such as a slit shape in addition to the circular shape. As a result of drilling, the concrete existing on the front and back surfaces of the steel box 8 may be connected. This makes it possible to efficiently transmit the shearing force generated in the cross sections of the lower slab 6 and the upper slab 5 of the truss structure to the entire structural system.
【００２０】圧縮斜材である棒状部材７ｂの端部にはジ
ベルを設置する。このジベル設置の方法はスタットジベ
ルを設ける等種々あるが、ここでは鋼管10の内周の軸方
向とほぼ直交する方向に鉄筋11を溶接して形成した。A dowel is provided at the end of the bar-shaped member 7b, which is a compression diagonal member. There are various methods of installing the dowel, such as providing a stud dowel. Here, the reinforcing steel 11 is formed by welding the reinforcing steel 11 in a direction substantially perpendicular to the axial direction of the inner periphery of the steel pipe 10.
【００２１】一般に、小径の鋼管内周面に多数のジベル
を設けるとジベル間隔が密となり場合により施工に不都
合が生ずることがあるが、この様に鋼管10の軸方向とほ
ぼ直交する方向に鉄筋11を溶接すると、合理的な間隔を
保ってせん断力を伝達する部材となる。In general, if a large number of dowels are provided on the inner peripheral surface of a small-diameter steel pipe, the dovetail spacing may become small, which may cause inconvenience in construction. When 11 is welded, it becomes a member that transmits shear force with a reasonable interval.
【００２２】さらに棒状部材７ｂの先端に鉄筋継手12を
溶接して、その先端部は棒状部材７ｂの先端よりも突出
させた。これは圧縮材に引張力が生じた場合に急激な破
壊を起こさないためである。Further, a reinforcing bar joint 12 was welded to the tip of the bar-shaped member 7b, and the tip of the bar was protruded from the tip of the bar-shaped member 7b. This is to prevent sudden breakage when a tensile force is generated in the compressed material.
【００２３】また、他の実施形態として棒状部材７ｂの
ジベルとしては、図６、図７に示すように鋼管10の軸方
向に穴あき鋼板14をリブ状に溶接する方法もある。As another embodiment, as the dowel of the bar-shaped member 7b, there is a method of welding a steel plate 14 having a hole in the axial direction of the steel pipe 10 in a rib shape as shown in FIGS.
【００２４】主桁２の上側床版５と下側床版６を構成す
るコンクリート内に前記鋼製ボックス８を取付けた引張
斜材である棒状部材７ａの先端を埋込み、その際、圧縮
斜材である棒状部材７ｂの先端もこの鋼製ボックス８内
に挿入する。The tip of a rod-shaped member 7a, which is a tensioned diagonal member, to which the steel box 8 is attached is embedded in the concrete constituting the upper floor slab 5 and the lower floor slab 6 of the main girder 2. Is inserted into the steel box 8 as well.
【００２５】そして、前記上側床版５と下側床版６を構
成するコンクリート13を圧縮斜材である棒状部材７ｂの
先端内部にまで充填する。図中９は底版６や床版５を構
成する主筋（下端筋、上端筋）である。Then, the concrete 13 forming the upper slab 5 and the lower slab 6 is filled to the inside of the tip of the bar-shaped member 7b which is a compressed diagonal member. In the figure, reference numeral 9 denotes main bars (bottom bar, upper bar) constituting the bottom slab 6 and the floor slab 5.
【００２６】図１や図６では下端筋、上端筋の主筋９の
位置は鋼製ボックス８の上下に位置した場合を示した
が、鋼製ボックス８が大きく、主筋９がこの鋼製ボック
ス８に当たるような位置にある場合は、これら主筋９は
鋼製ボックス８に横方向のスリットを設け、このスリッ
トに主筋９を通して鋼製ボックス８を貫通するようにし
てもよい。FIGS. 1 and 6 show the case where the main bars 9 of the lower and upper bars are positioned above and below the steel box 8, however, the steel box 8 is large and the main bars 9 are When the main bars 9 are located in such a position, a horizontal slit may be provided in the steel box 8, and the steel box 8 may pass through the slit through the main bars 9.
【００２７】このようにして引張斜材である棒状部材７
ａに作用する引張力は、コンクリート内に設けられた鋼
製のボックス８と接続することによって、鋼製のボック
ス８の底面プレート８ｂからコンクリートに伝達され
る。また、同時に圧縮斜材である棒状部材７ｂからコン
クリートに力が伝達される。In this manner, the rod-shaped member 7 which is a tensile diagonal member
The tensile force acting on a is transmitted from the bottom plate 8b of the steel box 8 to the concrete by being connected to the steel box 8 provided in the concrete. At the same time, a force is transmitted from the bar-shaped member 7b, which is a compression diagonal member, to the concrete.
【００２８】この二つの力は圧縮強度の大きいコンクリ
ートに圧縮力として伝達されるため、鋼主体の構造に比
べて鋼材量が少なく、コンクリート主体の構造に比べて
小型の格点部とすることができる。Since these two forces are transmitted as compressive force to concrete having high compressive strength, it is possible to reduce the amount of steel material as compared with a structure mainly composed of steel, and to make the point portion smaller than a structure mainly composed of concrete. it can.
【００２９】また、圧縮力が作用するコンクリートは鋼
製ボックス８に囲まれているため、コンクリートが拘束
され、コンクリートの強度増加が期待できる。Further, since the concrete on which the compressive force acts is surrounded by the steel box 8, the concrete is restrained and the strength of the concrete can be expected to increase.
【００３０】前記実施形態はＰＣ箱桁橋の主桁２のウェ
ブにトラスを用いた構造とした場合の下側床版６につい
て説明したが、上側床版５側についても鋼製ボックス８
を埋設することにより本発明構造の実施が可能である。In the above embodiment, the lower slab 6 in which the truss is used for the web of the main girder 2 of the PC box girder bridge has been described.
The structure of the present invention can be embodied by embedding.
【００３１】さらに、ＰＣ箱桁橋以外でも本発明は適用
でき、例えばスラブと柱部材などの格点構造で棒状部材
７ａ，７ｂが柱部材に該当する場合など同様に実施でき
る。Further, the present invention can be applied to a structure other than the PC box girder bridge. For example, the present invention can be similarly applied to a case where the bar-shaped members 7a and 7b correspond to column members in a point structure such as a slab and a column member.
【００３２】[0032]
【発明の効果】以上述べたように本発明の鋼・コンクリ
ート複合構造物の格点構造は、下記の効果を有するもの
である。As described above, the point structure of the steel / concrete composite structure of the present invention has the following effects.
【００３３】棒状部材に生ずる軸力は圧縮・引張りとも
に 鋼製ボックスが拘束することにより、その強度、靱
性、剛性が増大されたコンクリートに伝達される。The axial force generated in the rod-shaped member is transmitted to the concrete whose strength, toughness and rigidity are increased by the steel box constraining both compression and tension.
【００３４】また、棒状部材端部を 鋼製ボックスの底
板に溶接、またはボルト止め等で結合すること、および
棒状部材に端部にジベルを形成することにより、棒状部
材と鋼製ボックスの間、および棒状部材と鋼製ボックス
が拘束するコンクリート間の応力伝達が一層確実なもの
となる。さらに、鋼製ボックスに設けた異形加工により
鋼製ボックスとコンクリート間のせん断力の伝達も良
好となる。Further, by welding or bolting the end of the rod-shaped member to the bottom plate of the steel box and forming a dowel at the end of the rod-shaped member, the distance between the rod-shaped member and the steel box can be improved. In addition, stress transmission between the bar-shaped member and the concrete constrained by the steel box is further ensured. Furthermore, the transmission of the shear force between the steel box and the concrete is improved by the deforming work provided on the steel box.
【００３５】その結果、鋼材量が少なく、かつ、小型の
格点構造とすることができ、施工性もよく、安価に施工
できるものである。As a result, it is possible to provide a small point structure with a small amount of steel material, good workability, and low cost construction.
【図１】本発明の鋼・コンクリート複合構造物の格点構
造の１実施形態を示す要部の縦断側面図である。FIG. 1 is a longitudinal sectional side view of an essential part showing one embodiment of a point structure of a steel / concrete composite structure of the present invention.
【図２】本発明の鋼・コンクリート複合構造物の格点構
造の１実施形態を示す要部の平面図である。FIG. 2 is a plan view of a main part showing one embodiment of the point structure of the steel / concrete composite structure of the present invention.
【図３】鋼製のボックスの平面図である。FIG. 3 is a plan view of a steel box.
【図４】鋼製のボックスの縦断正面図である。FIG. 4 is a vertical sectional front view of a steel box.
【図５】鋼製のボックスの側面図である。FIG. 5 is a side view of a steel box.
【図６】本発明の鋼・コンクリート複合構造物の格点構
造の他の実施形態を示す要部の縦断側面図である。FIG. 6 is a longitudinal sectional side view of a main part showing another embodiment of the point structure of the steel / concrete composite structure of the present invention.
【図７】本発明の鋼・コンクリート複合構造物の格点構
造の他の実施形態を示す棒状部材の横断平面図である。FIG. 7 is a cross-sectional plan view of a bar-shaped member showing another embodiment of the point structure of the steel / concrete composite structure of the present invention.
【図８】ＰＣ箱桁橋で鋼・コンクリート複合構造物の格
点構造を用いた例を示す斜視図である。FIG. 8 is a perspective view showing an example using a point structure of a steel / concrete composite structure in a PC box girder bridge.
１…ＰＣ橋梁 ２…主桁 ３…外ケーブル ４…内ケーブ
ル ５…上側床版 ６…下側底版 ７，７ａ，７ｂ…棒状部材 ８…鋼製ボッ
クス ８ａ…円形孔 ８ｂ…底面プ
レート ９…主筋 10…鋼管 11…鉄筋 12…鉄筋継手 13…コンクリート 14…穴あき鋼
板DESCRIPTION OF SYMBOLS 1 ... PC bridge 2 ... Main girder 3 ... Outer cable 4 ... Inner cable 5 ... Upper floor slab 6 ... Lower bottom slab 7, 7a, 7b ... Bar-shaped member 8 ... Steel box 8a ... Circular hole 8b ... Bottom plate 9 ... Main reinforcement 10 ... Steel pipe 11 ... Reinforcing bar 12 ... Reinforcing bar joint 13 ... Concrete 14 ... Perforated steel plate
フロントページの続き (72)発明者 平 陽兵 東京都調布市飛田給二丁目19番１号 鹿島 建設株式会社技術研究所内 (72)発明者 山村 正人 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 (72)発明者 上迫田 和人 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 (72)発明者 新保 弘 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 Ｆターム(参考） 2D059 BB33 GG45 2E125 AA36 AB12 AB17 AC05 AC16 AC29 AG03 AG04 AG60 BA02 BB09 BB13 BB22 BE07 BF05 CA82 DA03 Continuing from the front page (72) Inventor Yohei Taira 2-9-1-1, Tobita-shi, Chofu-shi, Tokyo Kashima Construction Co., Ltd. (72) Inventor Masato Yamamura 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Ken (72) Inventor Kazuto Uesakota 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (72) Inventor Hiroshi Shinbo 1-2-7 Moto-Akasaka, Minato-ku, Tokyo F-term in Kashima Construction Co., Ltd. (reference) 2D059 BB33 GG45 2E125 AA36 AB12 AB17 AC05 AC16 AC29 AG03 AG04 AG60 BA02 BB09 BB13 BB22 BE07 BF05 CA82 DA03
Claims (4)
ボックスの内部に棒状部材を挿入して両者をコンクリー
トで一体化したことを特徴とする鋼・コンクリート複合
構造物の格点構造。1. A point structure for a steel-concrete composite structure, wherein a rod-shaped member is inserted into a steel box having a rectangular opening in the insertion surface of the rod-shaped member and both are integrated with concrete.
力伝達性能を向上させる異形加工を施す請求項１記載の
鋼・コンクリート複合構造物の格点構造。2. The point structure of a steel / concrete composite structure according to claim 1, wherein the steel box is subjected to a deforming process for improving a shear force transmission performance with concrete.
る底板に結合する請求項１または請求項２記載の鋼・コ
ンクリート複合構造物の格点構造。3. The point structure of a steel / concrete composite structure according to claim 1, wherein an end of the rod-shaped member is connected to a bottom plate provided in the steel box.
面にジベルを形成する請求項１ないし請求項３のいずれ
かに記載の鋼・コンクリート複合構造物の格点構造。4. The point structure of a steel-concrete composite structure according to claim 1, wherein a dowel is formed on a peripheral surface of the rod-shaped member inserted into the steel box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34811898A JP3549754B2 (en) | 1998-12-08 | 1998-12-08 | Girder structure of steel-concrete composite truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34811898A JP3549754B2 (en) | 1998-12-08 | 1998-12-08 | Girder structure of steel-concrete composite truss structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000170264A true JP2000170264A (en) | 2000-06-20 |
| JP3549754B2 JP3549754B2 (en) | 2004-08-04 |
Family
ID=18394874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34811898A Expired - Lifetime JP3549754B2 (en) | 1998-12-08 | 1998-12-08 | Girder structure of steel-concrete composite truss structure |
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| Country | Link |
|---|---|
| JP (1) | JP3549754B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002121822A (en) * | 2000-10-16 | 2002-04-26 | Ps Corp | Joint structure of steel concrete composite truss and erection method of steel concrete composite truss |
-
1998
- 1998-12-08 JP JP34811898A patent/JP3549754B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002121822A (en) * | 2000-10-16 | 2002-04-26 | Ps Corp | Joint structure of steel concrete composite truss and erection method of steel concrete composite truss |
| JP4572028B2 (en) * | 2000-10-16 | 2010-10-27 | 株式会社ピーエス三菱 | Steel-concrete composite truss joint structure and steel-concrete composite truss erection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3549754B2 (en) | 2004-08-04 |
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