WO2010047096A1 - 橋脚とコンクリート桁の剛結合構造 - Google Patents
橋脚とコンクリート桁の剛結合構造 Download PDFInfo
- Publication number
- WO2010047096A1 WO2010047096A1 PCT/JP2009/005505 JP2009005505W WO2010047096A1 WO 2010047096 A1 WO2010047096 A1 WO 2010047096A1 JP 2009005505 W JP2009005505 W JP 2009005505W WO 2010047096 A1 WO2010047096 A1 WO 2010047096A1
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- WIPO (PCT)
- Prior art keywords
- concrete
- bridge
- concrete girder
- pier
- girder
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Definitions
- the present invention relates to a rigid connection structure between both ends of a concrete girder and a pier in a ramen bridge.
- Patent Document 1 steel girders made of shape steel such as H-shaped steel are arranged in parallel in the bridge width direction, and both ends of each steel girder are supported on the bridge seat surface of a concrete bridge pier, and further, both ends of each steel girder are bridge piers. Connected with the connecting strips raised from the bridge seat surface, reinforced the connecting concrete on the bridge seat surface, embedded both ends of the steel girders in the connecting concrete, and connected and connected with the connecting strip material A ramen bridge is disclosed in which the concrete pier and the steel girder ends are rigidly connected via concrete.
- PC concrete girders are much cheaper than steel girders and can be easily formed into any shape according to the bridge design.
- the present invention provides a rigid joint structure between a bridge pier and a concrete girder in which the above-mentioned concrete girder is employed as a bridge girder and a sound rigid bond between both ends of the concrete girder and the pier is obtained.
- a PC concrete girder with a joint (with joints) is formed by embedding the latter half of a shaped steel joint made of short steel at both ends of the concrete girder and projecting the front half of each shaped steel joint from the end face of the concrete girder.
- the first half and the second half are not limited to a half length, and include, for example, the case where one is long and the other is short.
- each shape steel joint portion protruding from the end face of the concrete girder is connected to a connecting strip raised from the bridge surface of the bridge pier, and each shape steel joint portion and the connecting strip is added to the bridge seat surface. It is buried in the connected concrete to form a rigid connection structure between the pier and the concrete girder.
- the above-mentioned connecting strip is inserted into the flange of each of the above-mentioned shaped steel joints, and a nut is screwed into the insertion end of the connecting strip, and fixed on the flange.
- the nut is also embedded in the connecting concrete.
- the above-mentioned shape steel joint portion and the connecting strip can be connected by a nut, or can be connected by welding or a connecting fitting such as a wedge.
- the nuts, welds, and connection fittings function as stoppers that prevent the section of the shaped steel joint from escaping from the connection strip.
- the horizontal joint material is inserted into each shape steel joint portion protruding from the concrete girder, and the adjacent shape girder joint portions of the concrete girder are connected to each other through the horizontal joint material.
- the horizontal connecting strip is also embedded in the connecting concrete.
- the latter half of the shape steel joint is embedded in the concrete at the end of the concrete girder, the first half of the shape steel joint is embedded in the connected concrete, and the concrete girder and the connected concrete are shaped steel joints. It becomes a monolithic structure.
- the present invention relates to an embodiment in which each shape steel joint portion protruding from the end face of a concrete girder is loaded on the bridge pier surface of the bridge pier to indirectly receive the concrete girder, and each shape steel joint portion is loaded to the pier bridge pier. It includes an embodiment in which both ends of the concrete girder are received directly on the bridge seat surface at the same time as receiving the load on the surface.
- a concrete girder can be freely formed into a shape according to the bridge site without being restricted in shape like a steel girder.
- the amount of concrete placed between girders on site can be reduced, reducing the placement work.
- the perspective view which shows the 1st example of the PC concrete girder with a joint used for the rigid connection structure of the concrete pier (including an abutment) and a concrete girder concerning this invention.
- the top view of the concrete girder shown in FIG. The front view of the concrete girder shown in FIG.
- the longitudinal cross-sectional view of the concrete girder shown in FIG. The cross-sectional view of the concrete girder shown in FIG.
- the perspective view which shows the 2nd example of the PC concrete girder with a joint used for the concrete bridge pier (including abutment) and the concrete girder rigid connection structure concerning the present invention.
- the front view of the concrete girder shown in FIG. The front view of the concrete girder shown in FIG.
- the longitudinal cross-sectional view of the concrete girder shown in FIG. The cross-sectional view of the concrete girder shown in FIG.
- the perspective view which shows the 3rd example of the PC concrete girder with a joint used for the rigid connection structure of the concrete pier (including an abutment) and a concrete girder concerning this invention.
- the top view of the concrete girder shown in FIG. The front view of the concrete girder shown in FIG.
- the longitudinal cross-sectional view of the concrete girder shown in FIG. The cross-sectional view of the concrete girder shown in FIG.
- A is a longitudinal cross-sectional view showing the rigid joint portion between the concrete girder and the pier before connection concrete is placed
- B is a longitudinal cross-sectional view showing the state after the connection concrete is placed.
- the longitudinal cross-sectional view which shows the rigid coupling
- the longitudinal cross-sectional view which shows the state before connecting concrete placement which looked at the rigid frame bridge formed using the PC concrete girder with a joint shown in Drawing 6 thru / or Drawing 10 from the end face of a section steel joint.
- the longitudinal cross-sectional view which shows the state after connecting concrete placement which looked at the rigid bridge formed using the PC concrete girder with a joint shown in Drawing 6 thru / or Drawing 10 from the end face of a section steel joint.
- the longitudinal cross-sectional view which shows the state after the placement of connected concrete which looked at the rigid bridge formed using the PC concrete girder with a joint shown in Drawing 11 thru / or Drawing 15 from the end face of a shape steel joint.
- A is a longitudinal sectional view showing an example in which the shape steel joint part of a concrete girder and both ends of the concrete girder are supported on the bridge seat surface of the pier, with the state before placing the connected concrete, and B is the same.
- FIGS. 1 to 5 show a first example of a PC concrete girder 1 with a joint used for a rigid connection structure of a concrete pier 4 (including an abutment) and a concrete girder 2 according to the present invention
- FIGS. The 2nd example of PC concrete girder 1 with a joint is shown
- Drawing 11 thru / or Drawing 15 show the 3rd example of PC concrete girder 1 with the joint.
- Each example PC concrete girder with a joint 1 is provided with a pair of shaped steel joints 3 made of short steel at both ends of the concrete girder 2.
- the shape steel joint 3 made of each short steel is embedded in the latter half of each end of the concrete girder 2 and the front half of each shape steel joint 3 protrudes from the end face of the concrete girder 2 so that the above-mentioned PC concrete girder with a joint is connected. 1 is formed.
- the shape steel joint portion 3 a of the latter half of the first shape steel joint 3 is embedded in one end of the concrete beam 2, and the shape steel joint portion 3 b of the front half of the first shape steel joint 3 is Project from one end face.
- the shape steel joint portion 3 a of the second half of the second shape steel joint 3 is embedded in the other end of the concrete girder 2, and the shape steel joint portion 3 b of the front half of the second shape steel joint 3 is Project from the other end.
- first half and the second half are not limited to half the length of the shaped steel joint 3, and include, for example, the case where one is long and the other is short.
- the shaped steel joint portion 3b protruding from the end face of the concrete girder 2 is provided with a plurality of through-holes 8a that penetrate the web 6 in the bridge width direction, and the through-holes 8a are inserted through the horizontal connecting members 7 described later. Provide.
- a plurality of through-holes 8b penetrating the flange 10 of the shape steel joint portion 3b in the vertical direction are provided, and the through-holes 8b are used for insertion of the connecting strips 13 to be described later.
- the shape steel joint portion 3a embedded in the end portion of the concrete girder 2 is provided with a plurality of through holes 8a penetrating the web 6 in the bridge width direction, and reinforcing reinforcing bars 16 are inserted into the through holes 8a. 16 is embedded in the concrete girder 2.
- the reinforcing reinforcing bar 16 is bent in the longitudinal direction of the concrete girder 2 while inserting a short reinforcing bar into each of the through-holes 8a or bending a longer reinforcing bar into each of the through-holes 8a. Can be buried.
- the first example shown in FIGS. 1 to 5 uses a substantially inverted T-shaped concrete girder 2 having short flanges 9 on both sides of a lower part of a columnar part 11 having a relatively large cross-sectional area as the concrete girder 2.
- H-shaped steel having flanges 10 on both sides of the upper and lower ends of the web 6 is used as the steel joint 3
- the latter half of the H-shaped steel 3 is embedded in the end of the concrete girder 2
- the front half is made of the concrete girder 2.
- the case where it protrudes from an end surface and both 2 and 3 are made into an integral structure as mentioned above is shown.
- the through hole 8b is provided in the upper and lower flanges 10.
- an inverted U-shaped reinforcing bar 23 is inserted through the upper and lower flanges 10 of the shaped steel joint part 3a so as to straddle the web 6, and the shaped steel joint part 3a is reinforced in an inverted U shape. It can be embedded in the end of the concrete girder 2 together with the reinforcing bars 23.
- the U-shaped reinforcing steel reinforcing bar 23 enhances the bonding strength between the shaped steel joint portion 3a and the concrete girder 2, and provides a load resistance substantially applied to the end portion of the concrete girder 2 and the embedded portion of the shaped steel joint portion 3a. Improve.
- the second example shown in FIGS. 6 to 10 is a substantially inverted T-shaped concrete having short flanges 9 on both lower sides of the columnar part 11 having a relatively large cross-sectional area as the concrete girder 2.
- a C-shaped steel having a flange 10 projecting to one side from the upper and lower ends of the web 6 is used as the shape steel joint 3 and the latter half of the C-shaped steel 3 is used as the end of the concrete girder 2.
- the first half is projected from the end face of the concrete girder 2 and both the parts 2 and 3 are integrated as described above.
- each of the steel beam joints 3 at one end and the other end of the concrete girder 2 is formed of two C-shaped steels 3.
- the two C-shaped steels 3 face the web 6 in parallel, and show a case where they are embedded in the end portion of the concrete girder 2 in parallel with a gap so that the flange 10 protrudes outward.
- the third example shown in FIGS. 11 to 15 uses a T-shaped concrete girder 2 having flanges 9 on both sides of the upper end of the web 11 ′ as the concrete girder 2, and the upper end of the web 6 as the shaped steel joint 3.
- T-shaped steel having flanges 10 on both sides the latter half of the T-shaped steel 3 is embedded in the end of the concrete girder 2 and the front half protrudes from the end surface of the concrete girder 2. The case where it is made into an integral structure like this is shown.
- the T-shaped steel has its flange 10 embedded in the flange 9 of the T-shaped concrete girder 2 and the T-shaped steel web 6 is embedded in the web 11 ′ of the T-shaped concrete girder 2.
- the present invention is not limited to the H-section steel, T-section steel, and C-section steel shown in the above examples, and a section steel having various cross-sectional shapes such as I-section steel, L-section steel, and Z-section steel is used as the section steel joint 3.
- Various types of steel can be selectively used according to the shape of the concrete girder 2 including the case where it is used.
- JIS standard or other extruded shapes can be used, and web shapes and shapes having various cross-sectional shapes can be used by welding a web plate and a flange plate.
- the PC concrete girder 1 with joint shown in the first, second, and third examples is manufactured at a factory, carried into a bridge site, and used.
- the inverted U-shaped reinforcing bar 23 described in the first example can be used. That is, when a C-shaped steel (second example) and a T-shaped steel (third example) are used as the shaped steel joint 3, the inverted U-shaped reinforcing bar 23 is provided on the flange 10 of the shaped steel joint portion 3a. Can be embedded so as to straddle the concrete girder 2.
- the rigid connection structure between the PC concrete girder 1 with joint and the pier 4 described below can be implemented in the single-diameter rigid frame bridge shown in FIG. 17 or the multiple-diameter rigid frame bridge shown in FIG.
- FIGS. 19 and 20 are cross-sectional views showing a rigid coupling portion of a rigid frame bridge formed using the PC concrete girder 1 with a joint shown in FIGS. 1 to 5, and FIGS. 21 and 22 are with a joint shown in FIGS.
- FIG. 23 and FIG. 24 show the rigid joint portion of the rigid frame bridge formed using the PC concrete girder 1 with a joint shown in FIGS. 11 to 15. It is a cross-sectional view shown.
- FIG. 19, FIG. 21, and FIG. 23 are cross-sectional views showing the state before the connecting concrete 14 is placed, and FIGS. 20, 22, and 24 are cross-sectional views showing the state after the connecting concrete 14 is placed.
- FIG. 16A is an enlarged cross-sectional view showing the rigid joint portion between the concrete girder 2 and the pier 4 before the connection concrete 14 is placed
- FIG. 16B is an enlargement showing the state after the connection concrete 14 is placed. It is sectional drawing.
- the concrete girder 2 is juxtaposed in the bridge width direction while supporting the shaped steel joint portion 3b protruding from the concrete girder 2 on the bridge seat surface 12 of the pier 4 and juxtaposing it in the bridge width direction.
- each shape steel joint portion 3b is connected to the connecting strip material 13 raised from the bridge seat surface 12.
- a nut 17 is screwed into the connecting strip material 13 and the horizontal connecting strip material 7 is inserted.
- the connecting concrete 14 is placed on the upper surface of the bridge seat surface 12.
- the latter half of the shape steel joint 3 is embedded in the concrete at the two ends of the concrete girder, the front half of the shape steel joint 3 is embedded in the connected concrete 14, and the concrete girder 2 and the connected concrete 14 are embedded. Is an integral structure through the shaped steel joint 3.
- the connecting strip 13 is formed of, for example, a steel rod such as a reinforcing bar, and the lower end of the steel rod is embedded in the concrete pier 4 so as to stand up from the bridge seat surface 12.
- a cable other than a steel bar can be used.
- the connecting strip 13 When a steel bar is used as the connecting strip 13, the end of the reinforcing bar 15 embedded in the concrete pier 4 protrudes upward from the bridge seat surface 12, and the protruding portion forms the steel rod (the connecting strip 13). .
- the connecting strip 13 is inserted into a through-hole 8b provided in the flange 10 of the shaped steel joint portion 3b, and a nut 17 is screwed onto a protruding end (a male screw at the protruding end) of the connecting strip 13 protruding from the upper surface of the flange 10. Then, the nut 17 is fixed to the upper surface of the flange 10, and the shaped steel joint portion 3 b is connected to the pier 4.
- the nut 17 has a stopper function that prevents the shaped steel joint portion 3b from being lifted, and other wedges or stoppers that have the stopper function can be used.
- the connecting strip 13 is inserted into the upper and lower flanges 10 of the shaped steel joint portion 3b, and the nut 17 is screwed onto the upper end of the connecting strip 13 Fix to the upper surface of the flange 10.
- the nut 17 is directly fixed to the upper surface of the flange 10 or is fixed to the upper surface of the flange 10 through the bearing material 18.
- the bearing member 18 extends so as to cross the section steel joint portions 3b juxtaposed in the bridge width direction in the bridge width direction, and is bridge-mounted on the upper surface of the flange 10 of each section steel joint portion 3b.
- a single bearing member 18 is installed so as to traverse the full-size steel joint portion 3b in parallel in the bridge width direction.
- the length of the bearing member 18 can be divided, and the divided bearing members 18 can be bridged and placed on the flanges 10 of two or more adjacent shaped steel joint portions 3b.
- Another part of the connecting strip 13 group is raised through the interval between the adjacent shape steel joints 3, that is, through the interval between the flanges 10, and extends between the shape steel joint portions 3 b of the bearing member 18.
- the upper end of the connecting strip 13 is inserted into the bearing member 18a extending between the flanges 10, that is, the bearing member 18a extending between the flanges 10, and the nuts 17 are screwed together to be fixed on the upper surface of the bearing member 18a.
- a channel such as a U-shaped channel and an L-shaped channel can be used.
- Shaped channels such as the U-shaped channel and the L-shaped channel have high bending strength and have a large coupling action with the connecting concrete 14 and are suitable as the bearing material 18.
- the present invention does not exclude the case where a flat steel plate made of steel is used as the bearing material 18 instead of the shape channel.
- a horizontal connecting member 7 made of a steel bar, a steel cable, a cable made of other high-strength fibers, etc. is inserted into the through-holes 8a of each shape steel joint portion 3b supported on the bridge seat surface 12,
- the shape steel joint portions 3b of the concrete girders adjacent to each other in the bridge width direction are connected to each other through the horizontal connecting strip material 7.
- the concrete girders 2 adjacent to each other in the bridge width direction are connected to each other through the connection.
- the horizontal connecting strip 7 is inserted into the full-sized steel joint portion 3b arranged in parallel in the bridge width direction, and both ends of the strip 7 are installed at the outermost end in the bridge width direction.
- the nut 19 is screwed on the outer surface of the web 6 and fixed to the outer surface of the web 6.
- the operation of inserting the lateral connecting strip 7 and screwing the nut 19 can be performed before the operation of screwing the nut 17 to the connecting strip 13, the operation of inserting the lateral connecting strip 7 and screwing the nut 19 can be performed. Alternatively, after the operation of screwing the nut 17 into the connecting strip member 13, the operation of inserting the lateral connecting strip member 7 and screwing the nut 19 can be performed.
- the space between the concrete girders 2 of the PC concrete girder 1 with the joint is filled with the interstitial concrete 20 in the bridge length direction.
- the interstitial concrete 20 is connected to each concrete girder 2 and at the same time both ends of the interstitial concrete 20 are coupled to the connecting concrete 14, and the concrete girder 2 and the interstitial concrete 20 form a concrete floor slab.
- ⁇ Concrete pavement or asphalt pavement 21 is applied to the top surface of the concrete slab to form a roadbed. Accordingly, the pavement 21 is integrally laminated so as to cover the concrete girder 2, the interstitial concrete 20, and the shape steel joint 3.
- the interstitial concrete 20 can be filled before and after the step of screwing the nut 17 into the connecting strip 13 or before and after the step of inserting the lateral connecting strip 7.
- the shape steel joint portion 3b of the PC concrete girder 1 with the joint is directly supported on the bridge seat surface 12 of the concrete pier 4 or a concrete or shaped steel pillow 22 is provided on the bridge seat surface 12,
- the shaped steel joint portion 3 b is supported on the pillow material 22, that is, the shaped steel joint portion 3 b is indirectly supported via the pillow material 22 on the bridge seat 12, and the pillow material 22 is embedded in the connecting concrete 14. To do.
- the connecting concrete 14 has a bottom concrete 14 a filled in a space formed by the pillow material 22 and an end concrete 14 b covering the end surface of the shaped steel joint 3. Therefore, the shaped steel joint portion 3 b, the lateral connecting strip 7, the connecting strip 13, the nuts 17 and 19, the bearing member 18 and the pillow 22 are embedded in the connecting concrete 14.
- the PC concrete girder 1 with the above joint is supported on the bridge seat surface 12 of the pier 4 with the shape steel joint portion 3b, or the shape steel joint portion 3b of the concrete girder 1 is supported on the pier as shown in FIG.
- both ends of the concrete girder 2 are supported on the bridge seat surface 12 of the pier 4, and both end surfaces of the concrete girder 2 are joined to the connecting concrete 14.
- Each shaped steel joint portion 3b protruding from the end face of the concrete girder 2 and both ends of the concrete girder 2 are received on the bridge seat surface 12 of the bridge pier 4 to be connected to the connecting strip 13 and to the horizontal connecting strip 7 Insertion and on-site placement of the connecting concrete 14.
- the part 3b is supported and connected to the connecting strip 13 and the other pillow member 22 is connected to the connecting strip 13 by supporting the shape steel joint portion 3b of the PC concrete girder 1 forming the other span.
- the double-shaped steel joint portion 3b, the laterally connecting strip members 7 and the two pillow members 22 facing each other on the pier 4 are buried together in the connecting concrete 14 to form a rigid connection structure.
- SYMBOLS 1 PC concrete girder with a joint, 2 ... Concrete girder, 3 ... Shaped steel joint, 3a, 3b ... Shaped steel joint part, 4 ... Pier, 6 ... Web, 7 ... Lateral joint material, 8a, 8b ... Through-hole, DESCRIPTION OF SYMBOLS 9,10 ... Flange, 11 ... Columnar part, 11 '... Web, 12 ... Bridge seat surface, 13 ... Connection strip, 14 ... Connection concrete, 14a ... Bottom concrete, 14b ... End concrete, 15, 16 ... Reinforcement reinforcement , 17 ... nuts, 18 ... bearing members, 18a ... bearing members, 19 ... nuts, 20 ... stuffed concrete, 21 ... pavement, 22 ... pillows, 23 ... reinforcing bars.
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Abstract
Description
Claims (5)
- コンクリート桁の両端に短尺形鋼から成る形鋼継手の後半部を夫々埋設し、該各形鋼継手の前半部をコンクリート桁の端面から突出して成る継手付きPCコンクリート桁を形成し、該コンクリート桁端面から突出せる各形鋼継手部分を橋脚の橋座面上に支持しつつ該橋座面から立ち上げた連結条材と連結し、該各形鋼継手部分と連結条材を上記橋座面上に増し打ちした連結コンクリート中に埋設した構成を有することを特徴とする橋脚とコンクリート桁の剛結合構造。
- 上記連結条材を上記各形鋼継手部分のフランジに貫挿し、該連結条材の貫挿端にナットを螺合してフランジ上に定着したことを特徴とする請求項1記載の橋脚とコンクリート桁の剛結合構造。
- 上記橋座面上に支持された各形鋼継手部分に横繋ぎ条材を貫挿し、該横繋ぎ条材を介して隣接するコンクリート桁の形鋼継手部分相互を連結する構成としたことを特徴とする請求項1記載の橋脚とコンクリート桁の剛結合構造。
- 上記コンクリート桁と上記連結コンクリートとを上記形鋼継手を介して一体構造としたことを特徴とする請求項1記載の橋脚とコンクリート桁の剛結合構造。
- 上記コンクリート桁の端面から突出する各形鋼継手部分とコンクリート桁の両端を上記橋脚の橋座面上に荷受けしたことを特徴とする請求項1記載の橋脚とコンクリート桁の剛結合構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN200980141930.6A CN102197179B (zh) | 2008-10-24 | 2009-10-21 | 桥墩与混凝土梁的刚性结合结构 |
US13/122,741 US8370983B2 (en) | 2008-10-24 | 2009-10-21 | Rigid connection structure of bridge pier and concrete girder |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008-274493 | 2008-10-24 | ||
JP2008274493A JP4245657B1 (ja) | 2008-10-24 | 2008-10-24 | 橋脚とコンクリート桁の剛結合構造 |
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WO2010047096A1 true WO2010047096A1 (ja) | 2010-04-29 |
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PCT/JP2009/005505 WO2010047096A1 (ja) | 2008-10-24 | 2009-10-21 | 橋脚とコンクリート桁の剛結合構造 |
Country Status (5)
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US (1) | US8370983B2 (ja) |
JP (1) | JP4245657B1 (ja) |
KR (1) | KR20110086008A (ja) |
CN (1) | CN102197179B (ja) |
WO (1) | WO2010047096A1 (ja) |
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JP6373591B2 (ja) * | 2014-01-30 | 2018-08-15 | 東日本高速道路株式会社 | 鋼橋における上下部工の接合構造 |
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JP6166454B1 (ja) * | 2016-12-28 | 2017-07-19 | 黒沢建設株式会社 | 半地下型道路上の人工地盤の構築方法 |
CN107916602A (zh) * | 2017-10-26 | 2018-04-17 | 安徽省交通控股集团有限公司 | 一种预制墩、板快速连接结构 |
KR102025630B1 (ko) * | 2017-12-07 | 2019-09-26 | 한밭대학교 산학협력단 | 일체화 강결부 구조를 포함하는 강교량 |
KR102047470B1 (ko) * | 2018-03-15 | 2019-11-21 | 주식회사 택한 | 라멘교 기초의 힌지 연결구조 및 이를 이용한 라멘교 시공방법 |
CN110886205A (zh) * | 2020-01-09 | 2020-03-17 | 福州大学 | 混凝土桩基与桥台半刚性连接构造及施工方法 |
CN111764291B (zh) * | 2020-07-09 | 2021-11-16 | 中铁六局集团天津铁路建设有限公司 | 一种分离式铁路桥梁钢混过渡段结构施工方法 |
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US20110191967A1 (en) | 2011-08-11 |
JP2010101094A (ja) | 2010-05-06 |
US8370983B2 (en) | 2013-02-12 |
CN102197179B (zh) | 2015-01-21 |
CN102197179A (zh) | 2011-09-21 |
JP4245657B1 (ja) | 2009-03-25 |
KR20110086008A (ko) | 2011-07-27 |
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