CN101356318B - Precast concrete segment having connecting structure using steel duct, and connecting structure thereof - Google Patents
Precast concrete segment having connecting structure using steel duct, and connecting structure thereof Download PDFInfo
- Publication number
- CN101356318B CN101356318B CN2007800012539A CN200780001253A CN101356318B CN 101356318 B CN101356318 B CN 101356318B CN 2007800012539 A CN2007800012539 A CN 2007800012539A CN 200780001253 A CN200780001253 A CN 200780001253A CN 101356318 B CN101356318 B CN 101356318B
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- CN
- China
- Prior art keywords
- precast concrete
- concrete segment
- cylindrical tube
- steel cylindrical
- segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 239000011178 precast concrete Substances 0.000 title claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 26
- 210000002435 tendon Anatomy 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000010008 shearing Methods 0.000 description 7
- 230000001195 anabolic effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/483—Shear dowels to be embedded in concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/22—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements jointed in line
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/10—Ducts
-
- 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
- E01D2101/28—Concrete reinforced prestressed
- E01D2101/285—Composite prestressed concrete-metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to precast concrete segments and their assembled structures. While supporting facile assembly, the inventive concrete segments provide sufficient resistance against shear force since they contain steel ducts, which also double as shear keys, for installing tendons. Herein is provided a precast concrete segment comprising a cylindrical steel duct placed therein such that said steel duct runs through said segment along the direction of assembly with a neighboring precast concrete segment, wherein said steel duct is installed with tendons therein to apply tension, and wherein the upper part of said steel duct protrudes from the top surface of said precast concrete segment so as to function as a shear key, and wherein the lower part of said steel duct comprises a socket having a widened diameter so as to allow the protruding upper part of a steel duct from the neighboring concrete segment to be inserted therein.
Description
Technical field
The present invention relates to and to form the precast concrete segment of assembly and the described assembly of these building blocks by being contained in wherein steel pipe.More particularly, the present invention relates to have the precast concrete segment of novel structure and their assembly, in this assembly, also the steel pipe of the usefulness of double as shear key is incorporated into wherein, is used to install tendon with enough resistances that opposing shear stress is provided and the assembly of building block easily that is used for final structure.
Background technology
When the combination precast concrete segment, shear key must be installed so that the shearing resistance that comes from surperficial mechanical caging to be provided, connect so that can between discontinuous building block, set up shearing.In precast concrete segment, these shear keies are made into the projection of stretching out from side of building block usually in its manufacturing process.The said method that production has the concrete block of projection shear key is easy to damage unintentionally shear key when the demoulding.Less and when having long projection, this becomes significant problem when shear key.Further, for the mould part that forms shear key, concrete filling often is not enough, and building block had the shear key of improper shaping when this had caused the demoulding.
Simultaneously, when tendon is arranged between two building blocks to be connected continuously, may leak by the life of blockhouse broken hair.(that is, the blockhouse abutment) tendon installing hole leaks and has caused the corrosion of tendon, and this has also caused tendon to be damaged in the building block discontinuities; Thus, the serious problems of caving in etc. such as structure may take place at place, the plane of total.Therefore, in the building block anabolic process, need take special method to prevent to be arranged on continuously the corrosion of two those tendons between the building block that are connected.
Summary of the invention
The object of the present invention is to provide precast concrete segment, shear key in this building block (producing the critical elements of shearing resistance between building block) can easily be formed, and can not damage precast concrete segment in the construction process that these building blocks are combined.In addition, the object of the present invention is to provide precast concrete segment, in the assembly of described building block, can prevent by the water tendon corrosion in the described building block that space that tendon is set continuously causes of bleeding.
Above-mentioned purpose of the present invention can be realized by precast concrete segment of the present invention.A kind of precast concrete segment provided herein, it comprises: be arranged on the steel cylindrical tube in the described precast concrete segment, make described steel pipe run through described building block along direction with contiguous prefabricated concrete block combination, wherein, tendon is installed to apply tension force in described steel pipe, and stretch out from the end face of described precast concrete segment on the top of described steel pipe, so that as shear key, and, the bottom of described steel pipe comprises the sleeve pipe with widened diameter, so that allow the top of stretching out of the steel pipe of adjacent concrete building block to insert wherein.
In one embodiment of the invention, the described top of stretching out of described steel pipe comprises tapered union, so that allow it to insert the sleeve pipe of adjacent concrete building block easily.In another embodiment of the present invention, the described sleeve pipe of steel pipe can form by the bottom that steel conduit is fixed to described steel pipe, and the internal diameter of wherein said steel conduit and the external diameter of described steel pipe are complementary.
The building block assembly of two precast concrete segments is provided in another aspect of this invention.Described precast concrete segment comprises the steel cylindrical tube that forms therein, described steel pipe runs through described building block along combinations of directions, wherein, described steel pipe has the top of stretching out from the end face of described precast concrete segment, and wherein, the bottom of described steel pipe comprises the sleeve pipe with widened diameter, so that allowing the top of stretching out of the steel pipe of another concrete block inserts wherein, and wherein, described steel pipe stretch out the sleeve pipe that top is inserted into the bottom place that is arranged in another concrete block, to form the building block assembly that penetrates the one that connects described two concrete blocks mutually by described steel pipe.
In one embodiment of the invention, the described steel pipe that penetrates two concrete blocks is equipped with the tendon that can apply tension force, to realize the combination of described two building blocks.In another embodiment of the present invention, described building block combination can comprise the seal member that is installed on the outer end face of described building block, wherein, another precast concrete segment is stacked on described seal member top, and wherein, inject grout material and be full of the space that between upper and lower building block, produces by described seal member, between described upper and lower building block, to form the cement paste part.
In the present invention, can provide enough shearing resistances at the joint of contiguous prefabricated concrete block by steel pipe as shear key.Especially, because can utilize and the standard of building block one, complete shear key, so the formation of shear key is very easy to.In addition, because steel pipe is arranged between two building blocks to be connected continuously, so prevented to leak to steel duct by segment junction.Equally, reinforced the concrete of forming building block.Generally speaking, can obtain the concrete block of clean and tidy outward appearance.
Description of drawings
With reference to the accompanying drawings, more than the purpose of the present invention of mentioning and feature will become clearer by the following detailed description of the preferred embodiment of the present invention, in the accompanying drawings,
Fig. 1 is the phantom drawing of precast concrete segment of the present invention, wherein only is illustrated as the form of rectangular block in the part that steel pipe is installed.
Fig. 2 is a perspective cross-sectional view of removing precast concrete segment shown in a part of concrete Fig. 1.
Fig. 3 is the phantom drawing of the embodiment of steel pipe shown in Fig. 1.
Fig. 4 is the perspective cross-sectional view of the embodiment of steel pipe shown in Fig. 2.
Fig. 5 and 6 is respectively that wherein, other steel pipe is used to form sleeve pipe according to the phantom drawing of another embodiment of steel pipe of the present invention and cross section perspective.
Fig. 7 is the perspective schematic view that is equipped with the piece of steel pipe shown in Fig. 5.Fig. 8 is a perspective cross-sectional view of removing precast concrete segment shown in a part of concrete Fig. 6.
Fig. 9 shows the vertically schematic cross section perspective view of combination of building block shown in Fig. 2.
Figure 10 shows the schematic cross section perspective view after the combination of building block shown in Fig. 2.
Figure 11 shows the vertically schematic cross section perspective view of combination of building block shown in Fig. 8.
Figure 12 shows the schematic cross section perspective view after the combination of building block shown in Fig. 8.
Figure 13 shows the decomposition diagram of building block embodiment of the present invention, and wherein the building block of precast concrete pier is stacked on another building block top.
The specific embodiment
The preferred embodiments of the present invention will be described with reference to the accompanying drawings in more detail.
Fig. 1 is the phantom drawing of precast concrete segment 10 of the present invention, wherein only is illustrated as the form of rectangular block in the part that steel pipe is installed.Fig. 2 removes some concrete shown in Figure 1 perspective cross-sectional view.Fig. 3 is the phantom drawing of 1 embodiment of steel pipe shown in Fig. 1, and Fig. 4 is the perspective cross-sectional view of 1 embodiment of steel pipe shown in Fig. 2.
Below, be described in detail with reference to the attached drawings the present invention.
As illustrated in fig. 1 and 2, be arranged on inner steel pipe 1 and run through precast concrete segment 10 (being designated hereinafter simply as " building block "), be used for setting up shearing and connect along the direction of assembled building blocks 10.Described steel pipe 1 is the cylindrical steel conduit, and tendon is set up and passes this conduit, so that tension force is provided.
As shown in FIG., not protruding with the bottom of the level described steel pipe 1 in described building block 10 bottom surfaces, and stretch out from the end face of described building block 10 on the top of described steel pipe 1.As described below, in the anabolic process of adjacent block 10, the top of stretching out of described steel pipe 1 is inserted in the bottom of another steel pipe 1, and its bottom surface by adjacent block 10 is incorporated in the adjacent block 10.Be easy to insert between above-mentioned adjacent block 10 in order to ensure described steel pipe 1, the bottom of described steel pipe 1 preferably includes the sleeve pipe 11 with widened diameter as shown in Fig. 3 and 4.Except above-mentioned sleeve pipe 11, the top of described steel pipe 1 can comprise the union 12 that diameter reduces gradually.Though sleeve pipe 11 is shaped by machining in the steel pipe shown in Fig. 3 and 41, also can be that the independent steel pipe with widened diameter is fixed on the steel pipe 1 to form sleeve pipe 11.
As another embodiment of steel pipe 1 of the present invention, Fig. 5 and 6 shows respectively to have by the fixing phantom drawing and the perspective cross-sectional view of the steel pipe 1 of the independent formed sleeve pipe 11 of steel pipe as described above.The perspective schematic view of the piece that is equipped with steel pipe shown in Fig. 51 is provided among Fig. 7.Fig. 8 is by remove the formed cross section perspective schematic view of a part of concrete from precast concrete segment shown in Fig. 6.As shown in Fig. 5 and 6, the bottom of described steel pipe 1 can be for example be tightened and has larger-diameter another steel pipe fastening (screwed hole on the lower external face of described steel pipe and the inside with larger-diameter steel pipe be formed for screw thread and tighten) by welding or screw thread, to form sleeve pipe 11 thereon.The above-mentioned steel pipe 1 that has by the formed sleeve pipe 11 of independent steel pipe that is fixed can also comprise the tapered union 12 in top.
Also it is to be noted, though do not illustrate in the drawings, but described steel pipe 1 can be accepted to make its shaggy processing or be provided with element as bolt one class in the concrete block 10 as described in can being inserted into, so that strengthen the fixing of described steel pipe 1 and described building block 10.
Below explanation is equipped with the anabolic process and the combining structure of those building blocks 10 of steel pipe 1 as mentioned above.
Fig. 9 shows the vertically schematic cross section perspective view of combination of building block shown in Fig. 2 10.Figure 10 shows the schematic cross section perspective view of assembled building blocks.Figure 11 shows the vertically schematic cross section perspective view of combination of building block shown in Fig. 8 10.Figure 12 shows the schematic cross section perspective view of assembled building blocks shown in Fig. 8.
As shown in the figure, in the anabolic process of above-mentioned adjacent block, the extension (that is, union 12) of the steel pipe 1 that stretches out from building block 10 1 sides that described steel pipe 1 is installed in inside is inserted in the sleeve pipe 11 of another steel pipe 1 that is arranged on adjacent block 10 inside.A plurality of building blocks 10 are sequential combination in the manner described above, to make final structure.
In above mentioned combining structure, described steel pipe 1 can be used as shear key, provides the resistance of resisting shearing force with the joint two building blocks 10, and this is because steel pipe 1 crosses this joint and straddles on two building blocks 10.Especially, as illustrated in the past, because described steel pipe 1 is equipped with sleeve pipe 11, so the connection between the combination of building block 10 and the described steel pipe 1 can be quite easy.Put it briefly, usually the precast concrete segment situation of prior art is like this, when shear key is shaped as from extension that the concrete material identical with building block stretches out, in making the building block process, take place such as damaging shear key or producing problem such as incomplete shear key.In the present invention, because steel pipe 1 is used to form shear key, so the problems referred to above no longer become problem.Further, people only need be provided with steel pipe 1 in making building block 10 processes, and this has greatly simplified the production of shear key, and have improved the productivity ratio of making building block 10.
Simultaneously, it is pointed out that except playing the shear key effect that described steel pipe 1 can also be as the installing hole that the tendon (not shown) is set.As mentioned above, a plurality of building blocks 10 can be combined, and steel pipe 1 wherein can be mounted tendon then, to provide tension force to total.Therefore without any need for extra pipe.
Therefore, because the steel pipe 1 that is inserted into has formed the continuous connection of crossing two building blocks 10 in the combination, to form water-tight seal, so can prevent from the present invention to leak to steel pipe 1 inside by joint between the building block 10.
Figure 13 illustrates the example of described building block 10, and wherein, the building block of precast concrete pier is set at the top of another precast concrete pier building block in decomposition diagram.In order to form single structure, in the piling up of building block 10 of the present invention, can inject cement paste and adjust space between the building block 10.As shown in figure 13, the seal member 21 with the length that conforms to building block 10 space that requires can be fixed to down the outer surface of cupular part of building block 10, piles up then and goes up building block 10.Can be injected into such as the grout material that does not shrink mortar etc. by the space between the described seal member 21 formed upper and lower building blocks 10 and to form the cement paste part, so that can adjust space or horizontal plane between the building block 10.Thereby, preferably, inject grout material adjustment space and tendon is being installed to described steel pipe 1 inside with before applying tension force.
As shown in figure 13, can also described seal member 21 be installed around steel pipe 1.In this case, preferably, inject and be full of grout material in the space between described seal member 21 and steel pipe 1 and occur in tendon and be installed to described steel pipe 1 inside with after applying tension force.
Though the precast concrete pier is provided as the example of building block 10 of the present invention, do not mean that scope of the present invention is restricted to this; Building block 10 of the present invention can be thought the various uses that comprises the last structure building block that is used for bridge.
Industrial applicibility
As previously discussed, in the present invention, because above-mentioned steel pipe straddles in two building blocks of joint, so steel pipe can be used as shear key, provide the resistance of opposing shearing force with the joint at two precast concrete segments. Especially, described steel pipe is installed in the precalculated position, then is that concreting is to form precast concrete segment of the present invention. Because above-mentioned building block can make shear key complete, that work form as the integral part of described building block, so becoming, the production of shear key is more prone to. In addition, because being arranged continuously, steel pipe crosses two joints between the building block, so can prevent from leaking to described steel duct by segment junction. Used steel pipe has also been reinforced the concrete in the building block. Generally speaking, can produce the concrete segment of clean and tidy outward appearance.
Claims (7)
1. a precast concrete segment (10), it comprises: be arranged on the steel cylindrical tube (1) in the described precast concrete segment (10), make described steel cylindrical tube (1) run through described precast concrete segment (10) along direction with contiguous prefabricated concrete block combination, wherein, in described steel cylindrical tube (1), tendon is installed to apply tension force, and stretch out from the end face of described precast concrete segment (10) on the top of described steel cylindrical tube (1), so that as shear key, and, the bottom of described steel cylindrical tube (1) comprises the sleeve pipe (11) with widened diameter, so that allow the top of stretching out of the steel cylindrical tube (1) of contiguous prefabricated concrete block to insert wherein.
2. precast concrete segment as claimed in claim 1 is characterized in that, the top of stretching out of described steel cylindrical tube (1) comprises tapered union (12), so that allow it to insert the sleeve pipe (11) of described contiguous prefabricated concrete block easily.
3. precast concrete segment as claimed in claim 1 or 2, it is characterized in that, form the described sleeve pipe (11) of steel cylindrical tube (1) by the bottom that a steel conduit is fixed to described steel cylindrical tube (1), and the external diameter of the internal diameter of described steel conduit and described steel cylindrical tube (1) is complementary.
4. precast concrete segment as claimed in claim 1 or 2, it is characterized in that, seal member (21) is installed on the outer end face of described precast concrete segment (10), so that produce the space so that inject grout material in described space when piling up another precast concrete segment, described space is created between the upper and lower precast concrete segment.
5. the building block assembly of one kind two precast concrete segments (10),
Described precast concrete segment comprises the steel cylindrical tube (1) that forms therein, described steel cylindrical tube (1) runs through described precast concrete segment (10) along the direction with contiguous prefabricated concrete block combination, wherein, described steel cylindrical tube (1) has the top of stretching out from the end face of described precast concrete segment (10), and
Wherein, the bottom of described steel cylindrical tube (1) comprises the sleeve pipe (11) with widened diameter, so that allow the top of stretching out of the steel cylindrical tube (1) of another precast concrete segment to insert wherein, and
Wherein, described steel cylindrical tube (1) stretch out the sleeve pipe (11) that top is inserted into the bottom place that is arranged in another precast concrete segment, to form the described precast concrete segment assembly of the one that connects described two precast concrete segments by penetrating mutually of described steel cylindrical tube (1).
6. the building block assembly of two precast concrete segments as claimed in claim 5, it is characterized in that, the described steel cylindrical tube (1) that penetrates two precast concrete segments (10) is equipped with the tendon that can apply tension force, to realize the combination of described two precast concrete segments.
7. as the building block assembly of claim 5 or 6 described two precast concrete segments, it comprises: be installed in the seal member (21) on the outer end face of described precast concrete segment (10),
Wherein, another precast concrete segment is stacked on described seal member (21) top, and
Wherein, inject grout material and be full of the space that between upper and lower precast concrete segment, produces by described seal member (21), between described upper and lower precast concrete segment, to form the cement paste part.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060053904 | 2006-06-15 | ||
| KR10-2006-0053904 | 2006-06-15 | ||
| KR1020060053904A KR100738999B1 (en) | 2006-06-15 | 2006-06-15 | Precast concrete segment having connecting structure using steel duct, and connecting structure thereof |
| PCT/KR2007/002892 WO2007145477A1 (en) | 2006-06-15 | 2007-06-14 | Precast concrete segment having connecting structure using steel duct, and connecting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101356318A CN101356318A (en) | 2009-01-28 |
| CN101356318B true CN101356318B (en) | 2010-09-08 |
Family
ID=38498720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800012539A Expired - Fee Related CN101356318B (en) | 2006-06-15 | 2007-06-14 | Precast concrete segment having connecting structure using steel duct, and connecting structure thereof |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100738999B1 (en) |
| CN (1) | CN101356318B (en) |
| WO (1) | WO2007145477A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100909277B1 (en) * | 2007-09-07 | 2009-07-27 | (주)대우건설 | Pier foundation with steel pipe and assembly structure |
| KR101303307B1 (en) | 2013-07-09 | 2013-09-03 | 부림산업개발(주) | Prefabricated precast bridge |
| EP3084097B8 (en) | 2013-12-20 | 2019-03-20 | CCL Stressing International Limited | A construction and a method of making a construction |
| CN104047225B (en) * | 2014-07-01 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | The precast segment assembly girder construction of steel thimble elasticity shear tenon is set |
| CN107109837B (en) * | 2016-07-08 | 2018-10-02 | 三瓶昭彦 | The joint method of 2nd and the 4th precast concrete component and precast concrete component |
| CN108086140A (en) * | 2018-01-31 | 2018-05-29 | 福建工程学院 | A kind of assembled bridge pier structure of steel pipe socket |
| KR102580530B1 (en) | 2021-11-30 | 2023-09-22 | 한국철도기술연구원 | Bridge lower structure of assembly type having elastic duct coupler of socket type, and construction method for the same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3333787B2 (en) * | 1992-10-08 | 2002-10-15 | ケイコン株式会社 | Prefabricated bridge pier |
| JP3333786B2 (en) * | 1992-10-08 | 2002-10-15 | ケイコン株式会社 | Prefabricated piers and concrete blocks for piers |
| KR0130527B1 (en) * | 1994-10-26 | 1998-04-17 | 박태섭 | Built steel pipe electric pole and method for producing the same |
| ES2120720T3 (en) * | 1995-01-04 | 1998-11-01 | Ferrer Int | PROCEDURE FOR OBTAINING POLYMERS B AND C OF MONONITRATE 1- (2,4-DICHLORO-BETA - ((7-CHLOROBENZO (B) TIEN-3-IL) METOXI) FENETIL) IMIDAZOL. |
| JP3537706B2 (en) * | 1999-06-10 | 2004-06-14 | 鹿島建設株式会社 | Precast block method |
| KR20020011706A (en) * | 2000-08-04 | 2002-02-09 | 김희, 이방주 | Fabricated pier and Fabricated pier construction method |
| US6742211B2 (en) * | 2001-10-23 | 2004-06-01 | Gene C. Copher | Bridge construction |
| JP2003333788A (en) * | 2002-05-13 | 2003-11-21 | Mitsubishi Heavy Ind Ltd | Stator of motor |
| KR100549649B1 (en) * | 2002-11-28 | 2006-02-08 | 동양종합건업 주식회사 | Precast Tall Pier for Bridge |
| KR100563617B1 (en) * | 2003-05-16 | 2006-03-29 | 진성토건 주식회사 | Construction method and the structure for assembling segments pier |
-
2006
- 2006-06-15 KR KR1020060053904A patent/KR100738999B1/en not_active IP Right Cessation
-
2007
- 2007-06-14 CN CN2007800012539A patent/CN101356318B/en not_active Expired - Fee Related
- 2007-06-14 WO PCT/KR2007/002892 patent/WO2007145477A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN101356318A (en) | 2009-01-28 |
| KR100738999B1 (en) | 2007-07-25 |
| WO2007145477A1 (en) | 2007-12-21 |
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