CN100436721C - Prestressed concrete pipe pile antibending joint - Google Patents
Prestressed concrete pipe pile antibending joint Download PDFInfo
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- CN100436721C CN100436721C CNB2006100525081A CN200610052508A CN100436721C CN 100436721 C CN100436721 C CN 100436721C CN B2006100525081 A CNB2006100525081 A CN B2006100525081A CN 200610052508 A CN200610052508 A CN 200610052508A CN 100436721 C CN100436721 C CN 100436721C
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Abstract
The present invention relates to a prestrssed-concrete pipe pile bending-resisting joint, belonging to pile foundation engineering technique in building field. It includes an end plate, on its end surface the reinforcing bar heading holes are uniformly distributed, and said end plate is connected with left and right two prestressed concrete pipe piles. It is characterized by that on the end surface edge of said end plate two cylindrical welding plates are uniformly welded, another ends of said two cylindrical welding plates are firmly welded together; on the inner wall of said welding plate, along the periphery of said end plate a group of bending-resisting plates can be welded, said bending-resisting plates can make the end plate, welding plate and bending-resisting plate be molten into one body.
Description
Technical field
The present invention relates to a kind of connection technique of prestressed concrete pipe pile, belong to the pile foundation Foundation Design technology in the building field, specifically a kind of novel maritime works's antibending joint that connects prestressed concrete pipe pile.
Background technology
Prestressed concrete pipe pile, particularly big mouthful (directly) pile tube in footpath is increasingly extensive in maritime works's application in engineering of China, and it is known by the engineering staff as a kind of novel pile foundation material.But the connected mode between every pile does not also well solve up to now.Because the accident resulting from poor quality of projects that the quality of connection problem causes between the pile tube is of common occurrence.For guaranteeing workmanship, how to guarantee that the bonding strength between pile end plate has been considered matter of utmost importance.Welding quality to the pile tube in the construction is carried out the detection of every technical indicator, is indispensable complete necessity with vertical bearing capacity and the horizontal bending resistance of guaranteeing pile tube.Traditional pile tube connected mode adopts directly welding between end plate, the bearing capacity of the pile tube after the connection and bending resistance extreme difference, and also very inconvenient to the detection of the welding quality of pile tube.Chinese patent, the patent No. are ZL00225965.6, and name is called " prestressed concrete pipe pile connect end plate ", and its technical scheme is, end plate shape and prestressed concrete pipe pile shape size adapt, and circumferential edges is connected with a skirtboard.End plate is processing plane on one side, and there is the hollow youngster of depression on the surface of another side, and constitutes concavo-convex curve profile, and it combines with the concrete concave-convex curved surface that is combined into.Though this structure has been strengthened the two be connected of end plate and pile tube, the connection between pile tube remains two end plates and does not at all change.Chinese patent, the patent No. be, 03255810.4, and name is called " Bowl-shape Connector of prestressed high-strength concrete pile ", and its technical scheme is to be evenly equipped with the rod iron stretchable holes on the annular end face of end plate, cylindrical shape termination of welding on the outer face of end plate.This structure has increased the termination, has solved the pile tube soldered to a certain extent and has detected difficult problem.As for, two joints face the connection of concrete tubular pile mutually just from connecting the connection of changing between the termination between former end plate.Its connecting mode does not change, and the contact area of two pile tubes does not change yet, and fundamentally strengthens connecting the bearing capacity and the bending resistance of back pile tube, the main purpose of this and innovation and creation, people original intention was not inconsistent.From the disclosed technical characterictic of its independent claim, the solid degree of its termination is even not as mentioned above, and the patent No. is, and 00225965.6, the end plate of patented technology.Connecting still relatively closely between the concavo-convex curve of termination strip in this patented technology, end plate and concrete tubular pile.Certainly its defective is still top said, only depends on two end plates to connect the 2-section pipe stake, and bearing capacity between its pile tube and bending resistance are far from being enough.So, design a kind of function admirable, can detect pile tube soldered quality easily, can strengthen the novel joint that connects back tubular pile body bending resistance again is numerous technician's a important topic.
Summary of the invention
The present invention's purpose is to remedy above-mentioned deficiency, discloses a kind of function admirable to society, the prestressed concrete pipe pile joint that bending resistance is outstanding, weld strength is high, the location is convenient, be convenient to detect.
Technical scheme of the present invention is achieved in that
A kind of prestressed concrete pipe pile antibending joint, about comprising on two, end face uniform reinforcing bar heading hole with about two end plates that prestressed concrete pipe pile links to each other; It is characterized in that the end face edge place of left and right end plate all is welded with a cylindrical shape welded plate, the other end of two cylindrical shape welded plates welds together firmly.On the cylindrical shape welded plate inwall, along the end plate periphery, with end plate and the cylindrical shape welded plate is all connected vertically, equidistantly layout is being welded two groups of bending resisting plates, end plate, welded plate and bending resisting plate are molten to be an entity.
Described two groups of bending resisting plates that are welded on left and right sides two end plates, cylindrical shape welded plate respectively are to intert to be arranged, bending resisting plate is cuboid, its length is greater than the cylinder heights of cylindrical shape welded plate, and the extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate.The cylinder heights that bending resisting plate grows the cylindrical shape welded plate is 5-10CM.Four jiaos of described bending resisting plate have chamfering.Four welded corner joint place chamferings of described bending resisting plate are 5MM45 °.Described end plate is rounded, and the centre is an open circles, and material is steel plate or cast steel plate, thick 18-30mm, and the edge that itself and cylindrical shape welded plate weld is provided with groove.The angle of a set groove in edge of end plate and the welding of cylindrical shape welded plate is 30 °-45 °.The both sides of welded plate are provided with the groove that makes firm welding.It is 30 °-45 ° that the both sides of welded plate make the angle of the groove of firm welding.
Described bending resisting plate also can be designed to one group of bending resisting plate length of a Side and all stretch out the cylindrical shape welded plate; One group of bending resisting plate of another Side does not all stretch out the cylindrical shape welded plate.
Advantage of the present invention is:
1) because the existence of bending resisting plate and cylindrical shape welded plate, especially the length of bending resisting plate is longer than the cylinder heights of cylindrical shape welded plate, the extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate, having increased the anti-bending strength of pipe pile joint greatly, is a much progress of syndeton between every pile.
2) because the existence of bending resisting plate and cylindrical shape welded plate has reduced stake greatly and held when welding, high temperature has improved the pile quality of pile tube to the damage of concrete tubular pile port.
3) after welded plate machines, pile tube can also carry out the detection of various means to welding quality before making, the abundant quality that guarantees end plate is compared with traditional method of making the direct welding of stake end plate earlier, has stopped the phenomenon of pile tube in the explosion of work progress king-pile end joint substantially.
Description of drawings
Fig. 1 is a concrete tubular pile port front view of the present invention;
Fig. 2 is Figure 1A-A sectional view;
Fig. 3 be about two welded plates welding schematic diagram;
Fig. 4 is the bending resisting plate schematic diagram;
Fig. 5 is Fig. 4 right view;
Fig. 6 is the partial enlarged drawing of B among Fig. 2;
Fig. 7 is the pipe pile joint schematic diagram in the middle of 1 liang of concrete tubular pile of embodiment;
Fig. 8 is the pipe pile joint schematic diagram in the middle of 2 liang of concrete tubular piles of embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.The embodiment of the invention 1 (Fig. 7): a kind of prestressed concrete pipe pile antibending joint, about comprising on two, end face uniform reinforcing bar heading hole 4 with about two end plate 1,1 ' (Fig. 7, Fig. 1) that prestressed concrete pipe pile links to each other, it is characterized in that, the other end that the end face edge place of left and right end plate all is welded with 2,2 ', two cylindrical shape welded plates of cylindrical shape welded plate welds together firmly; On the cylindrical shape welded plate inwall, along the end plate periphery, with end plate and the cylindrical shape welded plate is all connected vertically, equidistantly layout is being welded two groups of bending resisting plates 3,3 ', end plate, welded plate and bending resisting plate are molten to be an entity.(as Fig. 1, Fig. 6).End plate 1,1 ' thick 20MM, rounded, the centre is an open circles, and material is a steel plate, and itself and cylindrical shape welded plate 2, a 2 ' edge that welds are provided with groove 5,5 ' (Fig. 6,7).End plate 1,1 ' and the set groove in an edge of cylindrical shape welded plate 2,2 ' welding 5,5 ' angle be 30 °.The both sides of welded plate are provided with the groove 6,7,6 ', 7 ' (Fig. 7, Fig. 3) that makes firm welding.The groove that makes firm welding 6,7 that welded plate 2,2 ' both sides are set, 6 ' 7 ' angle is 30 °.Four welded corner joint place chamferings 8 of bending resisting plate are 5MM45 ° (Fig. 4,5).The described two groups of bending resisting plates 3,3 ' that are welded on left and right sides two end plates, cylindrical shape welded plate respectively are and intert alternately, and bending resisting plate is cuboid, and its length is greater than the cylinder heights 8CM of cylindrical shape welded plate., the extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate.
Embodiment 2 (Fig. 8): a kind of prestressed concrete pipe pile antibending joint, about comprising on two, end face uniform reinforcing bar heading hole 4 with about two end plates 1,1 ' that prestressed concrete pipe pile links to each other, it is characterized in that, the other end that the end face edge place of left and right end plate all is welded with 2,2 ', two cylindrical shape welded plates of cylindrical shape welded plate welds together (Fig. 3) firmly; On the cylindrical shape welded plate inwall, along the end plate periphery, with end plate and the cylindrical shape welded plate is all connected vertically, equidistantly layout is being welded two groups of bending resisting plates 3,3 ', end plate, welded plate and bending resisting plate are molten to be an entity.(as Fig. 1, Fig. 6).Described bending resisting plate is that one group of bending resisting plate (Fig. 8) of a Side all stretches out cylindrical shape welded plate 15CM; One group of bending resisting plate of another Side does not all stretch out the cylindrical shape welded plate.Long bending resisting plate and another Side cylindrical shape welded plate of one Side welds firmly.Four welded corner joint place chamferings 8 of described bending resisting plate are 5MM45 °.End plate 1,1 ' thick 30mm, rounded, the centre is an open circles, and material is a cast steel plate, and itself and cylindrical shape welded plate 2, a 2 ' edge that welds are provided with groove 5,5 '.End plate 1,1 ' and the set groove in an edge of cylindrical shape welded plate 2,2 ' welding 5,5 ' angle be 45 °.The both sides of welded plate are provided with the groove 6,7,6 ', 7 ' that makes firm welding.The groove that makes firm welding 6,7 that welded plate 2,2 ' both sides are set, 6 ' 7 ' angle is 45 °.
The present invention is because the existence of cylindrical shape welded plate, the detection of before making welding quality to pile tube being carried out various means has brought convenience, to guarantee the quality of end plate, welded plate, bending resisting plate soldered, stopped the phenomenon of pile tube substantially in the explosion of work progress king-pile end joint.Simultaneously, when having reduced the welding of stake end greatly, high temperature has improved the pile quality of pile tube to the damage of concrete tubular pile port.Particularly because the combining closely of bending resisting plate and end plate, cylindrical shape welded plate, especially the length of bending resisting plate is longer than the cylinder heights of cylindrical shape welded plate, the extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate, has increased the anti-bending strength of pipe pile joint greatly.The extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate, and the 2-section pipe stake really is combined as a whole, and makes the docking technique of concrete tubular pile step solid step forward forward, has obtained breakthrough progress.
Claims (10)
1, a kind of prestressed concrete pipe pile antibending joint, about comprising on two, end face uniform reinforcing bar heading hole (4) with about two end plates (1,1 ') that prestressed concrete pipe pile links to each other; It is characterized in that the end face edge place of left and right end plate all is welded with a cylindrical shape welded plate (2,2 '), the other end of two cylindrical shape welded plates welds together firmly; On cylindrical shape welded plate (2, the 2 ') inwall, along the end plate periphery, with end plate and the cylindrical shape welded plate is all connected vertically, equidistantly layout is being welded two groups of bending resisting plates (3,3 '), end plate, welded plate and bending resisting plate are molten to be an entity.
2, prestressed concrete pipe pile antibending joint as claimed in claim 1, it is characterized in that, the two groups of bending resisting plates (3,3 ') that are welded on left and right sides two end plates (1,1 '), cylindrical shape welded plate (2,2 ') respectively are to intert to be arranged, bending resisting plate is cuboid, its length is greater than the cylinder heights of cylindrical shape welded plate, and the extension that grows of bending resisting plate welds mutually with relative separately another cylindrical shape welded plate.
3, prestressed concrete pipe pile antibending joint as claimed in claim 2 is characterized in that, the cylinder heights that described bending resisting plate (3,3 ') grows the cylindrical shape welded plate is 5-15CM.
As claim 1 or 2 or 3 described prestressed concrete pipe pile antibending joints, it is characterized in that 4, four jiaos of described bending resisting plate (3,3 ') have chamfering (8).
5, prestressed concrete pipe pile antibending joint as claimed in claim 4 is characterized in that, four welded corner joint place chamferings (8) of described bending resisting plate (3,3 ') are 5MM45 °.
6, prestressed concrete pipe pile antibending joint as claimed in claim 1 is characterized in that, end plate (1,1 ') is rounded, the centre is an open circles, material is steel plate or cast steel plate, thick 18-30mm, and the edge that itself and cylindrical shape welded plate weld is provided with groove (5,5 ').
7, prestressed concrete pipe pile antibending joint as claimed in claim 6 is characterized in that, end plate (1,1 ') is 30 °-45 ° with the angle of the set groove in edge (5,5 ') of cylindrical shape welded plate (2,2 ') welding.
8, prestressed concrete pipe pile antibending joint as claimed in claim 1 is characterized in that, the both sides of welded plate (2,2 ') are provided with the groove (6,7,6 ' 7 ') that makes firm welding.
9, prestressed concrete pipe pile antibending joint as claimed in claim 8 is characterized in that, the angle that the both sides of described welded plate (2,2 ') are provided with the groove (6,7,6 ' 7 ') that makes firm welding is 30 °-45 °.
10, prestressed concrete pipe pile antibending joint as claimed in claim 1 is characterized in that, described bending resisting plate (3,3 ') is designed to one group of bending resisting plate (3) length of a Side and all stretches out the cylindrical shape welded plate; One group of bending resisting plate (3 ') of another Side does not stretch out the cylindrical shape welded plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100525081A CN100436721C (en) | 2006-07-14 | 2006-07-14 | Prestressed concrete pipe pile antibending joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100525081A CN100436721C (en) | 2006-07-14 | 2006-07-14 | Prestressed concrete pipe pile antibending joint |
Publications (2)
| Publication Number | Publication Date |
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| CN1888323A CN1888323A (en) | 2007-01-03 |
| CN100436721C true CN100436721C (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100525081A Expired - Fee Related CN100436721C (en) | 2006-07-14 | 2006-07-14 | Prestressed concrete pipe pile antibending joint |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102261065A (en) * | 2010-05-25 | 2011-11-30 | 张继红 | Opened high-strength concrete prefabricated pile, and pile mould and centrifugal manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154535A (en) * | 1998-11-19 | 2000-06-06 | Yunitaito Kk | Pile connection structure and pile connection device |
| CN2632148Y (en) * | 2003-07-18 | 2004-08-11 | 王伟明 | Bowl-shaped tip of prestressed high strength concrete tubular piles |
| CN2704615Y (en) * | 2004-03-30 | 2005-06-15 | 娄底市文昌机械铸造有限公司 | Steel casting terminal board with lattice reinforced rib |
| CN2921104Y (en) * | 2006-07-14 | 2007-07-11 | 张勇 | Prestress concrete pipe pile antibending joint |
-
2006
- 2006-07-14 CN CNB2006100525081A patent/CN100436721C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154535A (en) * | 1998-11-19 | 2000-06-06 | Yunitaito Kk | Pile connection structure and pile connection device |
| CN2632148Y (en) * | 2003-07-18 | 2004-08-11 | 王伟明 | Bowl-shaped tip of prestressed high strength concrete tubular piles |
| CN2704615Y (en) * | 2004-03-30 | 2005-06-15 | 娄底市文昌机械铸造有限公司 | Steel casting terminal board with lattice reinforced rib |
| CN2921104Y (en) * | 2006-07-14 | 2007-07-11 | 张勇 | Prestress concrete pipe pile antibending joint |
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| CN1888323A (en) | 2007-01-03 |
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Granted publication date: 20081126 Termination date: 20180714 |
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