JP2000144905A - Mixed structural beam - Google Patents
Mixed structural beamInfo
- Publication number
- JP2000144905A JP2000144905A JP10322614A JP32261498A JP2000144905A JP 2000144905 A JP2000144905 A JP 2000144905A JP 10322614 A JP10322614 A JP 10322614A JP 32261498 A JP32261498 A JP 32261498A JP 2000144905 A JP2000144905 A JP 2000144905A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- reinforced concrete
- general
- constructed
- column
- 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.)
- Pending
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- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は混合構造梁に係
り、さらに詳しくは一般部分をプレストレスト製の鉄筋
コンクリート構造で構築するようにした混合構造梁に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mixed structural beam, and more particularly to a mixed structural beam whose general portion is constructed of a prestressed reinforced concrete structure.
【０００２】[0002]
【従来の技術】最近、鋼管の中にコンクリートを充填す
るようにして、これら鋼管およびコンクリートそれぞれ
の特性を相乗的に発揮させるようにした充填型鋼管コン
クリート（以下、ＣＦＴという。）構造が広く採用され
てきている。2. Description of the Related Art Recently, a filled steel pipe concrete (hereinafter referred to as CFT) structure in which concrete is filled in a steel pipe so that the properties of the steel pipe and the concrete are synergistically exerted is widely adopted. Have been.
【０００３】このＣＦＴ構造では、コンクリートが鋼管
の曲部座屈を防止し、また鋼管が曲げ抵抗性を発揮する
と同時に、コンクリートが鋼管に拘束されることにより
得られるコンファインド効果によってコンクリートの強
度を上昇させることができる。従って、純鉄骨構造に比
べると、鋼管の断面寸法や板厚を低減できるとともに、
型枠工事も不要になることから、施工の省力化を図るこ
とができる。さらに、耐火性や耐震性なども向上できる
ので、オフィスや高層集合住宅での採用例が急増してい
る。[0003] In this CFT structure, concrete prevents buckling of the bent portion of the steel pipe, and at the same time, the steel pipe exerts bending resistance, and at the same time, increases the strength of the concrete by the confined effect obtained by restraining the concrete by the steel pipe. Can be raised. Therefore, compared to a pure steel structure, the cross-sectional dimensions and plate thickness of the steel pipe can be reduced,
Since no formwork is required, labor savings can be achieved. In addition, fire resistance and earthquake resistance can be improved, and the use of these materials in offices and high-rise apartments is rapidly increasing.
【０００４】従来、ＣＦＴ構造の柱を用いた建築物にお
いては、一般に純鉄骨構造の梁が採用されているが、特
にロングスパンの梁では、床の居住性や建築物の剛性を
十分に確保するため、剛性、耐力、変形能力、並びに耐
火性に優れた鉄骨コンクリート構造が採用されていた。Conventionally, in a building using a column having a CFT structure, a beam having a pure steel structure is generally employed. In particular, in the case of a long span beam, sufficient livability of the floor and rigidity of the building are sufficiently ensured. Therefore, a steel-frame concrete structure excellent in rigidity, proof strength, deformability and fire resistance has been adopted.
【０００５】[0005]
【発明が解決しようとする課題】ところで、鉄骨コンク
リート構造の梁の場合、鉄骨材料を大量に使用する必要
があるとともに、鉄骨に突起物等を設けるなどしてコン
クリートと鉄骨との付着を確保して確実に応力を伝達さ
せる構造を付加する必要があり、これらのことが施工の
煩雑さやコストアップにつながるという課題があった。By the way, in the case of a beam having a steel-concrete structure, it is necessary to use a large amount of a steel-frame material, and to secure the adhesion between the concrete and the steel frame by providing a projection or the like on the steel frame. Therefore, it is necessary to add a structure for transmitting stress reliably, and these problems lead to complicated construction and cost increase.
【０００６】そこで、この発明はかかる従来の課題に鑑
みて、鉄骨コンクリート構造の梁と同等の剛性、耐力、
変形能力、並びに耐火性を確保しつつ、施工性や経済性
に優れた混合構造梁を提供することを目的とする。In view of the above-mentioned problems, the present invention has the same rigidity and proof stress as a steel concrete structure beam.
An object of the present invention is to provide a mixed structural beam excellent in workability and economy while securing deformability and fire resistance.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に、請求項１に係る混合構造梁は、梁の一般部分をプレ
ストレスト製鉄筋コンクリート構造とするとともに、柱
と接合される上記梁の接合部分を鉄骨構造とし、該接合
部分と上記一般部分とを一体的に形成したことを特徴と
する。According to a first aspect of the present invention, there is provided a mixed structural beam having a prestressed reinforced concrete structure for a general portion of the beam and a joint portion of the beam joined to a column. Has a steel frame structure, and the joint portion and the general portion are integrally formed.
【０００８】このように、接合部分を鉄骨構造とし、一
般部分をプレストレスト製鉄筋コンクリート構造として
これらを一体的に形成していて、梁の一般部分をプレス
トレスト製鉄筋コンクリート構造とすることで、鉄骨コ
ンクリート構造相当の剛性、耐力、変形能力を確保でき
るとともに、耐火性も付与することができて、ＣＦＴ構
造の柱が用いられるようなオフィスや高層集合住宅のロ
ングスパンの梁として好適に採用できる。また、鉄骨材
料の使用量を削減できて経済的である。さらに、一般部
分に連続する柱との接合部分のみを鉄骨構造とすること
で、鉄骨コンクリート構造のように鉄骨とコンクリート
との付着を確保する構造を付加する作業量を削減できて
施工性に優れるとともに、接合部分の靭性を確保でき
る。[0008] As described above, the joint portion is formed as a steel frame structure, the general portion is formed as a prestressed reinforced concrete structure, and these are integrally formed. The general portion of the beam is formed as a prestressed reinforced concrete structure. In addition to securing the rigidity, proof stress and deformation capacity of the steel, it is possible to impart fire resistance, and it can be suitably used as a long span beam of an office or a high-rise apartment building using a column having a CFT structure. In addition, the amount of steel frame material used can be reduced, which is economical. Furthermore, by using a steel structure only at the joints with the columns that are continuous with the general part, it is possible to reduce the amount of work to add a structure that secures the adhesion between the steel frame and the concrete, such as a steel concrete structure, and it is excellent in workability. At the same time, the toughness of the joint can be ensured.
【０００９】また請求項２の混合構造梁は、前記梁の一
般部分がプレキャストコンクリート製であることを特徴
とする。The mixed structural beam according to claim 2 is characterized in that a general part of the beam is made of precast concrete.
【００１０】梁の一般部分をプレキャストコンクリート
製とすることで、現場での施工の省力化が図られ、工期
短縮が達成される。[0010] By making the general part of the beam made of precast concrete, labor saving in construction at the site is achieved, and the construction period is shortened.
【００１１】[0011]
【発明の実施の形態】本発明に係る混合構造梁の好適な
一実施形態を添付図面に基づいて詳述する。図１ないし
図４に示したように、混合構造梁は主に、梁１０の中央
領域を占める一般部分１０ａがプレストレスト製鉄筋コ
ンクリート構造で構築されるとともに、この一般部分１
０ａの両側で柱１２と接合される端部領域を占める接合
部分が鉄骨構造で構築されて、いわゆる混合形式で構成
され、特にこれら鉄筋コンクリート構造部分と鉄骨構造
部分とが一体的に形成される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a mixed structural beam according to the present invention will be described in detail with reference to the accompanying drawings. As shown in FIGS. 1 to 4, the mixed structural beam mainly includes a general portion 10 a occupying a central region of the beam 10 formed of a prestressed reinforced concrete structure.
The joints occupying the end regions joined to the columns 12 on both sides of Oa are constructed of a steel structure and are constructed in a so-called mixed form, in particular these reinforced concrete and steel structure parts are integrally formed.
【００１２】梁の一般部分１０ａは、通常の鉄筋コンク
リート梁と同様に、コンクリート中に梁主筋１４および
スターラップ筋１６が埋設されて構築される。そして特
に本実施形態では、当該一般部分の梁せい下部に、プレ
テンション若しくはポストテンションによってＰＣ鋼線
１８が埋設され、これにより梁せい下部に圧縮力が導入
される。当該プレストレスの導入箇所は、梁せい下部に
限らず、梁せいの両側部分などに適宜導入するようにし
ても良い。The general portion 10a of the beam is constructed by embedding a beam main bar 14 and a stirrup bar 16 in concrete, similarly to a normal reinforced concrete beam. In the present embodiment, in particular, the PC steel wire 18 is buried under the beam portion of the general portion by pre-tension or post-tension, whereby a compressive force is introduced into the lower portion of the beam portion. The place of introduction of the prestress is not limited to the lower part of the beam, but may be appropriately introduced to both sides of the beam.
【００１３】このように構成された梁の一般部分１０ａ
に対し、梁の接合部分には、Ｈ形鋼２０などでなる鉄骨
材が設けられる。このＨ形鋼２０は、上記一般部分の両
端部に埋設長さＬで埋設されて一体化される。特にＨ形
鋼２０のウエブ２０ａおよびフランジ２０ｂには、スタ
ッド工法を用いてコンクリートへの応力伝達用のボルト
２２が多数接合されている（図２参照）。応力伝達につ
いては、当該スタッド工法に代えて、Ｈ形鋼２０に鉄筋
や鉄骨を溶接することで対応するようにしても良い。The general part 10a of the beam thus constructed
On the other hand, a steel frame made of H-section steel 20 or the like is provided at the joint of the beams. The H-section steel 20 is buried at both ends of the general portion with a buried length L and integrated. In particular, a number of bolts 22 for transmitting stress to concrete are joined to the web 20a and the flange 20b of the H-section steel 20 by using a stud method (see FIG. 2). The stress transmission may be performed by welding a reinforcing bar or a steel frame to the H-section steel 20 instead of the stud method.
【００１４】これらＨ形鋼２０の鉄骨構造でなる接合部
分と鉄筋コンクリート構造でなる一般部分１０ａとの一
体化は、次のような２つの方法を適用することができ
る。The following two methods can be applied to the integration of the joint portion of the H-section steel 20 having a steel structure and the general portion 10a having a reinforced concrete structure.
【００１５】（１）工場等で一般部分１０ａをプレキャ
ストする際に、当該一般部分１０ａの端部位置にＨ形鋼
２０の端部を配置しておいて、当該Ｈ形鋼２０の埋設も
同時に行う。プレテンションでストレスを導入する場合
には周知のように、この時点で行うことになる。他方、
ポストテンションの場合には、工場等であっても現場作
業としてもよい。 （２）工場等で一般部分１０ａをプレキャストする際
に、当該一般部分１０ａの端部位置にＨ形鋼２０を挿入
するのに必要な寸法で箱抜き部を形成しておき、現場で
この箱抜き部にＨ形鋼２０の端部を埋設する。(1) When pre-casting the general portion 10a at a factory or the like, the end of the H-shaped steel 20 is arranged at the end of the general portion 10a, and the H-shaped steel 20 is buried at the same time. Do. When stress is introduced by pretension, it is performed at this point, as is well known. On the other hand,
In the case of post-tension, it may be a factory or the like or an on-site work. (2) When pre-casting the general part 10a at a factory or the like, a box blank is formed at an end position of the general part 10a with a dimension necessary for inserting the H-shaped steel 20, and this box is formed on site. The end of the H-section steel 20 is embedded in the cutout.
【００１６】このようにして構築した混合構造梁は、次
のようにして柱１２に取り付けられることになる。図１
ないし図４に示した実施例にあっては、ＣＦＴ構造の柱
１２が示されている。当該ＣＦＴ構造の柱１２は、鋼管
１２ａの内部にコンクリート１２ｂを充填することによ
って構成される。図示例では鋼管１２ａは断面方形状で
あるが、その他の断面形状であってもよい。このように
して構築された柱１２の外周面には、当該柱１２と接合
される梁１０との取り合い位置にこれより水平方向へ突
出させて、梁１０を接合するための接続ブラケット２４
が溶着される。この接続ブラケット２４は各混合構造梁
に対し、そのＨ形鋼２０のウエブ２０ａを両側から挟み
込むように一対設けられる。そして混合構造梁は、その
Ｈ形鋼２０がこれら接続ブラケット２４に対しボルト・
ナット等で締結されて、柱１２に接合される。図示例で
は柱１２としてＣＦＴ構造柱を例示したが、これに限ら
ず鉄筋コンクリート柱や、鉄骨コンクリート柱、鉄骨・
鉄筋コンクリート柱であっても良い。また、接続ブラケ
ット２４も、柱の外面に取り付けたものを示したが、柱
内部にその基部を埋設した形態の接続ブラケットであっ
ても良い。The mixed structural beam constructed in this manner is attached to the column 12 as follows. FIG.
In the embodiment shown in FIG. 4 to FIG. 4, a pillar 12 having a CFT structure is shown. The column 12 having the CFT structure is configured by filling a steel pipe 12a with concrete 12b. In the illustrated example, the steel pipe 12a has a square cross section, but may have another cross section. On the outer peripheral surface of the column 12 constructed in this manner, a connection bracket 24 for joining the beam 10 by projecting in a horizontal direction from a position where the column 12 is joined to the beam 10 to be joined.
Is welded. A pair of connection brackets 24 are provided for each mixed structural beam so as to sandwich the web 20a of the H-section steel 20 from both sides. In the mixed structural beam, the H-section steel 20 is bolted to these connection brackets 24.
It is fastened with a nut or the like and joined to the column 12. In the illustrated example, a CFT structure column is illustrated as the column 12, but the column 12 is not limited thereto, and a reinforced concrete column, a steel frame concrete column, a steel
It may be a reinforced concrete column. Also, the connection bracket 24 is shown as being mounted on the outer surface of the pillar, but may be a connection bracket having a base buried inside the pillar.
【００１７】以上の本実施形態に係る混合構造梁にあっ
ては、梁の一般部分１０ａをプレストレスト製鉄筋コン
クリート構造で構成したので、鉄骨量を削減できるとと
もに、鉄筋コンクリート構造でありながら鉄骨コンクリ
ート構造と遜色のない剛性を確保でき、またせん断や曲
げに対しても十分に抵抗できる高い耐力と変形能力を確
保できる。In the mixed structural beam according to the present embodiment, since the general portion 10a of the beam is formed of a prestressed reinforced concrete structure, the amount of steel frame can be reduced, and the reinforced concrete structure is inferior to the steel frame concrete structure. Rigidity without deformation, and high strength and deformability capable of sufficiently resisting shearing and bending.
【００１８】また、梁の一般部分１０ａ、ひいては鉄骨
構造の接合部分も含めて工場等でプレキャストできるの
で、現場での施工を省力化でき、施工の短縮化を図れ
る。In addition, since it is possible to precast at the factory or the like, including the general portion 10a of the beam and thus the joint portion of the steel frame structure, it is possible to save labor on site and shorten the construction.
【００１９】さらに、梁の一般部分１０ａについては表
面がコンクリートで覆われるため、耐火性も確保するこ
とができる。接合部分については、当該混合構造梁の柱
１２への接合後に適宜に耐火被覆を施工すればよい。Furthermore, since the surface of the general portion 10a of the beam is covered with concrete, fire resistance can be ensured. Regarding the joint portion, fireproof coating may be appropriately applied after joining the mixed structural beam to the column 12.
【００２０】他方、本実施形態にあっても、鉄骨構造と
これを埋設する部分の鉄筋コンクリート構造との間に応
力伝達機構を構成する必要があるけれども、埋設長さＬ
は、梁の全長を鉄骨コンクリート構造とした場合に比べ
てきわめて短く、従って当該応力伝達機構の付加作業は
大幅に簡略化される。On the other hand, in this embodiment as well, although it is necessary to form a stress transmission mechanism between the steel frame structure and the reinforced concrete structure in which the steel frame structure is buried, the buried length L
Is much shorter than the case where the entire length of the beam is made of a steel concrete structure, so that the work of adding the stress transmission mechanism is greatly simplified.
【００２１】[0021]
【発明の効果】以上説明したように請求項１に係る混合
構造梁にあっては、接合部分を鉄骨構造とし、一般部分
をプレストレスト製鉄筋コンクリート構造としてこれら
を一体的に形成していて、梁の一般部分をプレストレス
ト製鉄筋コンクリート構造としたので、鉄骨コンクリー
ト構造相当の剛性、耐力、変形能力を確保できるととも
に、耐火性も付与することができて、ロングスパンの梁
として好適に採用できる。また、鉄骨材料の使用量を削
減できて経済的である。さらに、一般部分に連続する柱
との接合部分のみを鉄骨構造とすることで、鉄骨コンク
リート構造のように鉄骨とコンクリートとの付着を確保
する構造を付加する作業量を削減できて施工性に優れる
とともに、接合部分の靭性を確保できる。As described above, in the mixed structural beam according to the first aspect, the joint portion is formed of a steel frame structure, and the general portion is formed of a prestressed reinforced concrete structure, and these are integrally formed. Since the general portion is made of a prestressed reinforced concrete structure, rigidity, proof strength and deformation capacity equivalent to a steel frame concrete structure can be ensured, fire resistance can be imparted, and it can be suitably used as a long span beam. In addition, the amount of steel frame material used can be reduced, which is economical. Furthermore, by using a steel structure only at the joints with the columns that are continuous with the general part, it is possible to reduce the amount of work to add a structure that secures the adhesion between the steel frame and the concrete, such as a steel concrete structure, and it is excellent in workability. At the same time, the toughness of the joint can be ensured.
【００２２】また請求項２の混合構造梁にあっては、梁
の一般部分をプレキャストコンクリート製としたので、
現場での施工の省力化を図れ、工期短縮を達成できる。In the mixed structural beam according to the second aspect, the general part of the beam is made of precast concrete.
It is possible to save labor on site and shorten the construction period.
【図１】本発明に係る混合構造梁の好適な一実施形態を
示す柱との接合部分の一部破断斜視図である。FIG. 1 is a partially broken perspective view of a joint portion with a column showing a preferred embodiment of a mixed structure beam according to the present invention.
【図２】図１に示した混合構造梁の接合部分の要部透視
図である。FIG. 2 is a perspective view of an essential part of a joint portion of the mixed structural beam shown in FIG.
【図３】図１に示した混合構造梁と柱との接合部分の側
面図である。FIG. 3 is a side view of a joint portion between the column and the column having a mixed structure shown in FIG. 1;
【図４】図１に示した混合構造梁と柱との接合部分の平
面図である。FIG. 4 is a plan view of a joint portion between a column and a column having a mixed structure shown in FIG. 1;
１０ 梁 １０ａ 梁の一般部分 １２ 柱 １２ａ 鋼管 １２ｂ 充填コンクリート １４ 梁主筋 １６ スターラップ筋 １８ ＰＣ鋼線 ２０ Ｈ形鋼 ２０ａ ウエブ ２０ｂ フランジ ２２ 応力伝達用ボルト ２４ 接続ブラケット DESCRIPTION OF SYMBOLS 10 Beam 10a General part of beam 12 Column 12a Steel pipe 12b Filled concrete 14 Beam main bar 16 Stirrup bar 18 PC steel wire 20 H-section steel 20a Web 20b Flange 22 Stress transmission bolt 24 Connection bracket
Claims (2)
ンクリート構造とするとともに、柱と接合される上記梁
の接合部分を鉄骨構造とし、該接合部分と上記一般部分
とを一体的に形成したことを特徴とする混合構造梁。The present invention is characterized in that a general portion of a beam is a reinforced concrete structure made of prestressed steel, a joint portion of the beam to be joined to a column is a steel frame structure, and the joint portion and the general portion are integrally formed. And mixed structure beams.
リート製であることを特徴とする請求項１に記載の混合
構造梁。2. The mixed structural beam according to claim 1, wherein the general portion of the beam is made of precast concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10322614A JP2000144905A (en) | 1998-11-12 | 1998-11-12 | Mixed structural beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10322614A JP2000144905A (en) | 1998-11-12 | 1998-11-12 | Mixed structural beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000144905A true JP2000144905A (en) | 2000-05-26 |
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| JP10322614A Pending JP2000144905A (en) | 1998-11-12 | 1998-11-12 | Mixed structural beam |
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| KR100673475B1 (en) | 2005-05-13 | 2007-01-29 | 삼성중공업 주식회사 | A pc girder member for frame of underground layer and assembling structure of frame of underground by using of it and the method therof |
| JP2009127307A (en) * | 2007-11-26 | 2009-06-11 | Sumitomo Mitsui Construction Co Ltd | Mixed girder |
| JP2009215791A (en) * | 2008-03-11 | 2009-09-24 | Taisei Corp | Beam unit and beam structure |
| KR100920140B1 (en) | 2008-01-04 | 2009-10-08 | 권은태 | Preflex composite girder bridge coupled width composite girder and method thereof |
| KR100939970B1 (en) | 2009-07-28 | 2010-02-03 | (주)한주에스티 | A method of constructing a complex girder and its structure |
| KR101036851B1 (en) | 2011-02-16 | 2011-05-25 | 주식회사 힐 엔지니어링 | Manufacturing method of pre cast concrete filled steel tube and pre cast concrete filled steel tube using the smae |
| CN102852280A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Precast pre-stressed beam with shelving corbel outs |
| CN102852279A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Prestressed reinforced concrete superposed beam having convex-concave superposed surfaces |
| CN102852277A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Pre-tensioned deformed reinforced concrete precast main beam |
| CN103088962A (en) * | 2012-08-16 | 2013-05-08 | 杨众 | Prestressed reinforced concrete precast beam based on pre-tensioning method |
| CN103498532A (en) * | 2013-10-22 | 2014-01-08 | 湖北弘毅建设有限公司 | Prestressed profile steel base type T-shaped steel reinforced concrete composite beam |
| CN103498530A (en) * | 2013-10-22 | 2014-01-08 | 湖北弘毅建设有限公司 | Prestressed tooth hole-shaped web T-shaped steel reinforced concrete composite beam |
| JP2016008387A (en) * | 2014-06-23 | 2016-01-18 | 株式会社フジタ | Hybrid beam |
| CN105672568A (en) * | 2016-03-29 | 2016-06-15 | 杭州江润科技有限公司 | Stratified casting construction method of super-large-section stiffened concrete transfer beam |
| CN105839846A (en) * | 2016-03-22 | 2016-08-10 | 哈尔滨工业大学 | Prefabricated reinforced concrete composite beam |
| CN106481023A (en) * | 2016-10-27 | 2017-03-08 | 绍兴文理学院 | Assembled steel reinforced concrete bondbeam structure and its implementation |
| CN106703190A (en) * | 2017-02-28 | 2017-05-24 | 中国建筑股份有限公司 | Prefabricating beam column joint structure containing prestressing pore path and construction method thereof |
| CN107938854A (en) * | 2017-11-27 | 2018-04-20 | 江苏沪宁钢机股份有限公司 | A kind of steel girder erection method using built-in fitting |
| CN111042573A (en) * | 2019-12-31 | 2020-04-21 | 中建五局第三建设有限公司 | Construction method and structure for additionally arranging lift apartment sandwich floor without dehumidification operation |
| WO2020098452A1 (en) * | 2018-11-13 | 2020-05-22 | 深圳大学 | Anti-seismic and energy-consuming fabricated beam-column joint structure located in plastic zone |
| CN112095920A (en) * | 2020-08-21 | 2020-12-18 | 中国建筑西北设计研究院有限公司 | Assembled section steel partially-wrapped concrete composite beam and design and construction method thereof |
| CN113718949A (en) * | 2021-09-10 | 2021-11-30 | 重庆恒昇大业建筑科技集团有限公司 | Beam-column mixed frame joint structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100673475B1 (en) | 2005-05-13 | 2007-01-29 | 삼성중공업 주식회사 | A pc girder member for frame of underground layer and assembling structure of frame of underground by using of it and the method therof |
| JP2009127307A (en) * | 2007-11-26 | 2009-06-11 | Sumitomo Mitsui Construction Co Ltd | Mixed girder |
| KR100920140B1 (en) | 2008-01-04 | 2009-10-08 | 권은태 | Preflex composite girder bridge coupled width composite girder and method thereof |
| JP2009215791A (en) * | 2008-03-11 | 2009-09-24 | Taisei Corp | Beam unit and beam structure |
| KR100939970B1 (en) | 2009-07-28 | 2010-02-03 | (주)한주에스티 | A method of constructing a complex girder and its structure |
| KR101036851B1 (en) | 2011-02-16 | 2011-05-25 | 주식회사 힐 엔지니어링 | Manufacturing method of pre cast concrete filled steel tube and pre cast concrete filled steel tube using the smae |
| CN102852280A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Precast pre-stressed beam with shelving corbel outs |
| CN102852279A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Prestressed reinforced concrete superposed beam having convex-concave superposed surfaces |
| CN102852277A (en) * | 2012-08-16 | 2013-01-02 | 杨众 | Pre-tensioned deformed reinforced concrete precast main beam |
| CN103088962A (en) * | 2012-08-16 | 2013-05-08 | 杨众 | Prestressed reinforced concrete precast beam based on pre-tensioning method |
| CN103088962B (en) * | 2012-08-16 | 2016-10-05 | 杨众 | A kind of pretensioned prestressing reinforced concrete precast beam |
| CN102852279B (en) * | 2012-08-16 | 2016-10-05 | 杨众 | A kind of prestressed reinforced concrete composite beam of convex-concave superposed surfaces |
| CN102852280B (en) * | 2012-08-16 | 2016-07-13 | 杨众 | The prestressing force precast beam of head shelved by a kind of band |
| CN103498532A (en) * | 2013-10-22 | 2014-01-08 | 湖北弘毅建设有限公司 | Prestressed profile steel base type T-shaped steel reinforced concrete composite beam |
| CN103498530A (en) * | 2013-10-22 | 2014-01-08 | 湖北弘毅建设有限公司 | Prestressed tooth hole-shaped web T-shaped steel reinforced concrete composite beam |
| JP2016008387A (en) * | 2014-06-23 | 2016-01-18 | 株式会社フジタ | Hybrid beam |
| CN105839846A (en) * | 2016-03-22 | 2016-08-10 | 哈尔滨工业大学 | Prefabricated reinforced concrete composite beam |
| CN105672568A (en) * | 2016-03-29 | 2016-06-15 | 杭州江润科技有限公司 | Stratified casting construction method of super-large-section stiffened concrete transfer beam |
| CN105672568B (en) * | 2016-03-29 | 2018-01-16 | 济南长兴建设集团有限公司 | Super-section strengthening concrete conversion beam placement layer by layer construction method |
| CN106481023A (en) * | 2016-10-27 | 2017-03-08 | 绍兴文理学院 | Assembled steel reinforced concrete bondbeam structure and its implementation |
| CN106481023B (en) * | 2016-10-27 | 2019-10-15 | 绍兴文理学院 | Assembled steel-concrete composite beam structure and its implementation method |
| CN106703190A (en) * | 2017-02-28 | 2017-05-24 | 中国建筑股份有限公司 | Prefabricating beam column joint structure containing prestressing pore path and construction method thereof |
| CN107938854A (en) * | 2017-11-27 | 2018-04-20 | 江苏沪宁钢机股份有限公司 | A kind of steel girder erection method using built-in fitting |
| WO2020098452A1 (en) * | 2018-11-13 | 2020-05-22 | 深圳大学 | Anti-seismic and energy-consuming fabricated beam-column joint structure located in plastic zone |
| CN111042573A (en) * | 2019-12-31 | 2020-04-21 | 中建五局第三建设有限公司 | Construction method and structure for additionally arranging lift apartment sandwich floor without dehumidification operation |
| CN112095920A (en) * | 2020-08-21 | 2020-12-18 | 中国建筑西北设计研究院有限公司 | Assembled section steel partially-wrapped concrete composite beam and design and construction method thereof |
| CN113718949A (en) * | 2021-09-10 | 2021-11-30 | 重庆恒昇大业建筑科技集团有限公司 | Beam-column mixed frame joint structure and construction method thereof |
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