CN107626822B - Adjustable die for prefabricated T-beam for small-radius bent bridge - Google Patents
Adjustable die for prefabricated T-beam for small-radius bent bridge Download PDFInfo
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- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000009417 prefabrication Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The adjustable die for the prefabricated T beam for the small-radius bent bridge comprises two half dies which are symmetrically arranged, wherein two ends of the two half dies are detachably connected through end plates respectively, the end plates are T-shaped, and the two half dies and the two end plates enclose to form T Liang Moqiang for forming the T beam; the half mould is divided into a middle mould section positioned in the middle and end mould sections positioned at two ends of the middle mould section along the length direction, and the middle mould section is detachably connected with the end mould sections at two sides; the half mould further comprises a plurality of insert block groups which are arranged between the middle mould section and the end mould section to adjust the half mould length, each insert block group comprises two identical insert blocks, and the lengths of the insert blocks of any two insert block groups are different.
Description
Technical Field
The invention relates to an adjustable die of a prefabricated T beam for a small-radius bent bridge.
Background
For urban ramp bridges and mountain areas with complex terrains, the prestressed concrete curve bridges with small and medium spans (span of 20-50 m) are more built, and the structure forms adopted generally are simply supported or porous prestressed T beams with continuous structures after simply supported.
When the bridge deck is at a small radius and the bridge deck elevation is higher, the construction of a full framing is not easy to set up, and in order to simplify the design and reduce the construction difficulty, a method of bending the bridge to directly do is adopted, namely, a plurality of transverse single-span T beams E are made into a straight beam with a variable length in the transverse direction (namely, along the x-axis direction in the figure 2), as shown in the figure 1. The curved bridge is formed by connecting a plurality of single-span T beams E end to end, the ab side of the single-span T beams E is parallel to the cd side, the length of the ab side is larger than that of the cd side, the ac side and the bd side are not parallel, and the lengths of the ac side and the bd side are equal.
The single span T-beam E is made up of four T-beams P1', P2', P3', P4' connected in series by wet joints f ', as shown in fig. 2. The ac side and bd of the single-span T beam E should be inclined straight lines, but in the prior art, the end transverse beams j ' and the middle transverse beams h ' of the T beams P1', P2', P3', P4' are made into straight lines perpendicular to the length direction of the T beams (i.e. the direction parallel to the ab side and cd side in fig. 2, i.e. along the x-axis direction in fig. 2), the lengths of the adjacent two T beams P1', P2', P3', P4' are unequal, and after being connected by the wet joint f ', the ac side and bd side of the single-span T beam E are broken lines instead of straight lines. During construction, two adjacent single-span T beams E are connected through a broken line edge, so that adjacent beam ends cannot be aligned, and the attractiveness, stress and normal maintenance of the bridge are affected.
If both ends of the single-span T beam E are made into inclined straight edges, as shown in FIG. 3, a 2 c 2 Edge and b 2 d 2 The straight sides do not have the problems, but have the problems that a of four T beams P1, P2, P3 and P4 2 c 2 Edge and b 2 d 2 The inclination of the sides is different, different dies are needed during manufacturing, the trouble is brought to prefabrication, the lengths of the four T beams P1, P2, P3 and P4 are also different, and the dies cannot be unified.
As can be seen from fig. 3, the single span T-beam E has four T-beams P1, P2, P3, P4, each T-beam P1, P2, P3, P4 including a middle spreader h at the middle and end spreaders j at the ends, wherein the middle spreader h is aligned with the length direction of the T-beams P1, P2, P3, P4 (i.e., aligned with a in fig. 3 2 b 2 Edge and c 2 d 2 The directions in which the sides are parallel, i.e., the x-axis direction in fig. 3) are perpendicular to each other, and each end diaphragm j is diagonally crossed with the longitudinal direction of the T-beams P1, P2, P3, P4.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention provides an adjustable die for a prefabricated T beam for a small-radius curved bridge.
The technical scheme for solving the problems is as follows:
the adjustable die of the prefabricated T beam for the small-radius bent bridge comprises a T beam body, wherein the cross section of the T beam body in the width direction is T-shaped, the T beam body comprises a horizontal part and a vertical part, the top end of the vertical part is vertically intersected with the middle of the horizontal part to form a T shape, and a chamfer part is arranged at the intersection of the vertical part and the horizontal part; the T beam body is provided with end transverse beams along two ends of the length direction respectively, a plurality of middle transverse beams are arranged between the transverse beams at the two ends of the T beam body at intervals, the end transverse beams and the middle transverse beams are respectively positioned at two sides of the vertical part of the T beam body, and the end transverse beams and the middle transverse beams are positioned below the horizontal part;
the mold comprises two half molds which are symmetrically arranged, two ends of the two half molds are detachably connected through end plates respectively, the end plates are T-shaped, and the two half molds and the two end plates enclose to form a T Liang Moqiang for forming the T beam;
the side of the two half-moulds which face each other is defined as the inner side of the two half-moulds, and the side opposite to the inner side is defined as the outer side of the two half-moulds;
the half mold comprises a body for forming a vertical part and a side plate for forming a horizontal part, wherein the side plate is arranged on the outer side of the body and is vertically arranged on the upper surface of the body; the body is provided with a chamfer for forming the chamfer part;
the half mould is divided into a middle mould section positioned in the middle and end mould sections positioned at two ends of the middle mould section along the length direction, and the middle mould section is detachably connected with the end mould sections at two sides;
the body of the middle section is in a cuboid shape laid horizontally, the two ends and the middle of the middle section along the length direction are respectively provided with a first groove used for forming a middle diaphragm Liang Moqiang, the inner side of the middle section is recessed towards the outer side to form the first groove, and the top surface of the first groove is communicated so as to be convenient for pouring concrete; the first groove is perpendicular to the length direction of the middle section;
the inner side surface of the body positioned on the end mould section is inclined towards the outer side surface to form a larger T Liang Moqiang, a second groove is arranged on the far end of the end mould section, and an angle-adjustable end diaphragm mould is arranged in the second groove; the top of the second groove is communicated, and the second groove comprises a first groove surface and a second groove surface which are perpendicular to the length direction of the end mould section;
the end diaphragm mold comprises a first vertical plate, wherein two sides of the first vertical plate are respectively hinged with the near side of the second vertical plate and the near side of the third vertical plate, and the far side of the second vertical plate and the far side of the third vertical plate are respectively hinged with a first groove surface and a second groove surface; the bottoms of the first vertical plate, the second vertical plate, the third vertical plate and the second groove form an end diaphragm Liang Moqiang with adjustable inclination angle;
the end faces of the middle mould section along the length direction are respectively provided with a first buckling groove, and the near end face of the end mould section is respectively provided with a first convex column matched with the first buckling grooves; the middle die section and the end die section are mutually connected through the matching of the first buckling groove and the first convex column;
the half mould further comprises a plurality of insert block groups which are arranged between the middle mould section and the end mould section to adjust the half mould length, each insert block group comprises two identical insert blocks, and the lengths of the insert blocks of any two insert block groups are different; the proximal end surfaces and the distal end surfaces of all the insertion blocks are respectively attached to the end surfaces of the middle mold section and the proximal end surfaces of the end mold section, second convex columns matched with the first buckling grooves are arranged on the proximal end surfaces of all the insertion blocks, and second buckling grooves matched with the first convex columns are arranged on the distal end surfaces of all the insertion blocks.
The beneficial effects of the invention are mainly shown in the following steps:
the invention can be used for engineering and constructing the prestressed concrete curve bridge with smaller curvature radius on the premise of ensuring construction quality, reasonable structural stress and overall attractive appearance of the bridge so as to ensure the quality and durability of the curve T-beam bridge. The length is adjustable, the requirement of the beam length is met through the form of the insertion block, and the template can be recycled. The angle of the end diaphragm beam can be adjusted, so that each T Liang Hengge beam is positioned on the same straight line, and the appearance defect and the stress performance are compensated.
Drawings
FIG. 1 is a straight schematic view of a curved bridge;
FIG. 2 is a schematic structural view of a single-span T-beam directly made by a conventional curved bridge, wherein the x-axis direction is the length direction of the single-span T-beam, and the y-axis direction is the width direction of the single-span T-beam;
FIG. 3 is a schematic view of a structure of a single-span T-beam to be fabricated according to the present invention, wherein the x-axis direction is the length direction of the single-span T-beam, and the y-axis direction is the width direction of the single-span T-beam;
FIG. 4 is a schematic cross-sectional view of a single span T-beam between an end spreader beam and a middle spreader beam or between adjacent two middle spreader beams along the y-axis of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a single span T-beam at an end spreader beam or at a middle spreader beam along the y-axis in FIG. 3;
FIG. 6 is a schematic cross-sectional view of a T-beam mold;
FIG. 7 is a schematic structural view of a mold half;
FIG. 8 is a schematic view of the structure of the middle section;
FIG. 9 is a schematic view of the structure of an insert block;
FIG. 10 is a schematic view of the structure of an end mold section;
FIG. 11 is a schematic structural view of a closure plate;
FIG. 12 is a schematic view of an end rail mold;
fig. 13 is a schematic diagram of a T-beam connection.
Detailed Description
Referring to the drawings, the adjustable die of the prefabricated T beam for the small-radius curved bridge comprises a T beam body m, wherein the T beam body m is T-shaped along the cross section of the width direction (namely, the direction perpendicular to the ab side on a single-span T beam E, namely, the y-axis direction in fig. 5) as shown in fig. 4 and 5, the T beam body m comprises a horizontal part m1 and a vertical part m2, the top end of the vertical part m2 is vertically intersected with the middle of the horizontal part m1 to form a T shape, and a chamfer part s is arranged at the intersection of the vertical part m2 and the horizontal part m 1; the two ends of the T beam body m along the length direction (namely the x-axis direction in fig. 3) are respectively provided with an end diaphragm j, a plurality of middle diaphragms h are arranged between the two end diaphragms j at intervals of the T beam body m, the end diaphragm j and the middle diaphragms h are respectively positioned at two sides of the vertical part of the T beam body m, and the end diaphragm j and the middle diaphragms h are positioned below the horizontal part;
the die comprises two half dies w which are symmetrically arranged, two ends of the two half dies w are detachably connected through end plates 8 respectively, the end plates 8 are T-shaped, and the two half dies and the two end plates 8 are enclosed to form T Liang Moqiang for forming the T beam; the end closure plate 8 is provided with perforations 81 through which prestressed reinforcement passes.
The sides of the two mold halves w facing each other are defined as the inner sides of the two mold halves w, respectively, and the side opposite to the inner sides is defined as the outer sides of the two mold halves w;
the mold half w comprises a body w2 for forming a vertical part and a side plate w1 for forming a horizontal part, wherein the side plate w1 is arranged on the outer side of the body w2, and the side plate w1 is vertically arranged on the upper surface of the body w 2; the body w2 is provided with a chamfer w3 for forming the chamfer part s;
the half mould w is consistent with the length direction of the T beam and the single-span T beam E along the length direction, and is divided into a middle mould section 1 positioned in the middle and end mould sections 2 positioned at two ends of the middle mould section 1 along the length direction (namely the x-axis direction in fig. 7 and the x-axis direction in fig. 3), wherein the middle mould section 1 is detachably connected with the end mould sections 2 at two sides;
the body w2 in the middle section 1 is in a cuboid shape laid horizontally, two ends and the middle of the middle section 1 along the length direction are respectively provided with a first groove 11 for forming a middle diaphragm Liang Moqiang, the inner side of the middle section 1 is recessed towards the outer side to form the first groove 11, and the top surface of the first groove 11 is communicated so as to be convenient for pouring concrete; the first groove 11 is perpendicular to the length direction (i.e. x-axis direction in fig. 7) of the middle section 1;
the inner side surface of the body w2 positioned in the end mould section 2 is inclined towards the outer side surface to form a larger T Liang Moqiang, a second groove 21 is arranged on the far end of the end mould section 2, and an angle-adjustable end diaphragm mould 9 is arranged in the second groove 21; the top of the second groove 21 is penetrated, and the second groove 21 comprises a first groove surface 211 and a second groove surface 212 which are perpendicular to the length direction of the end mould section 2;
the end diaphragm mold 9 comprises a first vertical plate 92, wherein two sides of the first vertical plate 92 are respectively hinged with the near side of a second vertical plate and the near side of a third vertical plate (both are hinged through a hinge 91), and the far side of the second vertical plate and the far side of the third vertical plate are respectively hinged with a first groove surface 211 and a second groove surface 212; the bottoms of the first vertical plate 92, the second vertical plate, the third vertical plate and the second groove 21 are combined into an end diaphragm Liang Moqiang with adjustable inclination angle;
the end faces of the two ends of the middle mould section 1 along the length direction are respectively provided with a first buckling groove 12, and the near end face of the end mould section 2 is respectively provided with a first convex column 22 matched with the first buckling groove 12; the middle die section 1 and the end die section 2 are mutually connected through the matching of the first buckling groove 12 and the first convex column 22;
the half mould w also comprises a plurality of insert block groups which are arranged between the middle mould section 1 and the end mould section 2 to adjust the length of the half mould w, each insert block group comprises two identical insert blocks 3, and the lengths of the insert blocks 3 of any two insert block groups are different; the proximal end surfaces and the distal end surfaces of all the insertion blocks 3 are respectively attached to the end surfaces of the middle mold section 1 and the proximal end surface of the end mold section 2, the proximal end surfaces of all the insertion blocks 3 are respectively provided with second convex columns matched with the first buckling grooves 12, and the distal end surfaces of all the insertion blocks 3 are respectively provided with second buckling grooves 31 matched with the first convex columns 22.
The bridge deck is formed by combining a plurality of T beams p1, p2, p3 and p4, and the length of the cd side is larger than that of the ab side due to the existence of the curvature radius, and the length of the T beams is p4> p3> p2> p1, so that the length of the half mould w needs to be adjusted by using an insertion block group with corresponding length. The invention adjusts the length of the half mould by symmetrically inserting a modular insert between the middle mould section and the end mould section.
The middle mould section 1 is of a specific standard length and is used for connecting the insertion blocks 3 and the end mould sections 2 at two sides. The first recess 11 of the middle section 1 is used to form a diaphragm.
A second recess 21 in the end mould section is used for placing the end spreader mould 9.
The insert 3 is used for connecting the end mould section 2 and the middle mould section 1. The length of the insert 3 can be made modular as required to meet the lengthening requirements of the mold half w.
The four T beams p1, p2, p3, p4 are defined as a first T beam p1, a second T beam p2, a third T beam p3 and a fourth T beam p4 in sequence from small to large, and assuming that the sum of the lengths of the middle die section 1 and the end die section 2 is the same as the length of the first T beam p1, no insert block is required, the specific manufacturing steps of the single span T beam E shown in fig. 3 are as follows:
1. first, a first T beam p1 is manufactured
1.1, placing a reinforcement cage of a first T beam;
1.2, the half mould w only comprises a middle mould section 1 and an end mould section 2, the middle mould section 1 and the end mould section 2 are connected with each other, and the half mould w is assembled;
1.3, adjusting the inclination angle of the end diaphragm mold 9 to the inclination angle required by the end diaphragm of the first T beam;
1.4, symmetrically placing two half molds w on two sides of a reinforcement cage of a first T beam, fixing end plates 8 on two ends of the half molds w by screws, blocking the two ends of the two half molds w by the end plates 8, and forming a T beam mold cavity of the first T beam p1. And pouring concrete into the T Liang Moqiang of the first T beam p1, trowelling, curing and removing the mould to form the first T beam p1.
2. Fabrication of second T-beam p2
2.1, placing a reinforcement cage of the second T beam;
and 2.2, symmetrically assembling half molds w of the second T beam on the steel reinforcement framework of the second T beam. Since the sum of the lengths of the middle mold section 1 and the end mold section 2 is smaller than the length of the second T-beam p2, an insertion block of a corresponding length needs to be inserted for adjustment. During installation, the middle mould section 1 is firstly installed, the middle diaphragm beams are aligned in an orthogonal mode, the required insertion blocks 2 are symmetrically inserted into the two ends of the middle mould section 1 to adjust the whole length of the half mould, the upper end mould section 2 is finally installed, and the half mould w is assembled;
2.3, referring to the steps 1.3 to 1.4, a second T beam is manufactured according to the method for manufacturing the first T beam p1.
3. Fabrication of third T-beam p3 and fourth T-beam p4
After selecting the insert blocks of the desired length, the third T-beam p3 and the fourth T-beam p4 are fabricated according to the method of fabricating the second T-beam p 2.
4. Splicing
The first T-beam p1, the second T-beam p1, the third T-beam p3, and the fourth T-beam p4 are joined with a wet seam f to construct a single span T-beam E, as shown in fig. 3 or 13.
The lengths of the insert blocks required for each T-beam are different, and the lengths of the insert blocks of the first T-beam p1, the second T-beam p1, the third T-beam p3, and the fourth T-beam p4 in fig. 13 are respectively 0 unit length, 1 unit length, 2 unit length, and 3 unit length, and the insert block lengths of the required lengths should be selected according to actual calculation. The T beams (P1, P2, P3 and P4) are connected into a whole to form a curve T beam E, so that the middle diaphragm beam is aligned with the length direction of the curve T beam E in an orthogonal manner, the end diaphragms are aligned with the length direction of the curve T beam E in an oblique manner, the problem of uneven prefabrication T Liang Hengge Liang Cancha in the prior art is primarily solved,
the alignment of the middle diaphragm beam is realized by combining prefabrication and cast-in-situ. During prefabrication construction, binding distributed steel bars and stirrups of the middle transverse beams according to a common method, pouring a part of transverse beams, and reserving field connection of the distributed steel bars; in the cast-in-situ stage, the middle diaphragms Liang Liancheng of the T beams P1, P2, P3 and P4 are straight lines, so that the middle diaphragms are orthogonal to the longitudinal direction of the curved T beam E, and then concrete is poured in a construction site, so that the middle diaphragms of the T beams P1, P2, P3 and P4 form an orthogonal whole.
The end diaphragm beams are positioned at two ends of the T beams P1, P2, P3 and P4 and are connected to the end mould during installation. As shown in FIG. 11, the end diaphragm beam mainly consists of an end panel and an end mould framework which are tightly attached to a beam end backing plate, and as shown in FIG. 11, a head plate is used for sealing the end head, and is generally manufactured by processing a steel plate with the thickness of 10-12 mm. The end mould skeleton is a T-shaped skeleton formed by angle steel groups, and the end panel is welded in the center. The appearance of the skeleton angle steel is the same as the end rib of the side mould end fan. And during manufacturing, a drilling machine is adopted to make holes, so that the position of the hole site is ensured to be accurate, and the hole site is convenient to install.
The invention can quickly adjust the length of the beam (namely the length of the half mould) in the form of the insertion block, thereby saving manpower. The middle diaphragm beams are prefabricated and cast-in-situ, so that adjacent middle diaphragm beams are aligned in an orthogonal mode; the end diaphragm beams are obliquely aligned by adjusting the angle; on the premise of ensuring construction quality, reasonable structural stress and overall attractive appearance of the bridge, the prestressed concrete curve bridge with smaller curvature radius is engineered to be constructed so as to ensure the quality and durability of the curve T-beam bridge.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (1)
1. The adjustable die of the prefabricated T beam for the small-radius bent bridge comprises a T beam body, wherein the cross section of the T beam body in the width direction is T-shaped, the T beam body comprises a horizontal part and a vertical part, the top end of the vertical part is vertically intersected with the middle of the horizontal part to form a T shape, and a chamfer part is arranged at the intersection of the vertical part and the horizontal part; the T beam body is provided with end transverse beams along two ends of the length direction respectively, a plurality of middle transverse beams are arranged between the transverse beams at the two ends of the T beam body at intervals, the end transverse beams and the middle transverse beams are respectively positioned at two sides of the vertical part of the T beam body, and the end transverse beams and the middle transverse beams are positioned below the horizontal part; the method is characterized in that:
the mold comprises two half molds which are symmetrically arranged, two ends of the two half molds are detachably connected through end plates respectively, the end plates are T-shaped, and the two half molds and the two end plates enclose to form a T Liang Moqiang for forming the T beam; the end enclosure plate is provided with a perforation for the prestressed reinforcement to pass through;
the side of the two half-moulds which face each other is defined as the inner side of the two half-moulds, and the side opposite to the inner side is defined as the outer side of the two half-moulds;
the half mold comprises a body for forming a vertical part and a side plate for forming a horizontal part, wherein the side plate is arranged on the outer side of the body and is vertically arranged on the upper surface of the body; the body is provided with a chamfer for forming the chamfer part;
the half mould is divided into a middle mould section positioned in the middle and end mould sections positioned at two ends of the middle mould section along the length direction, and the middle mould section is detachably connected with the end mould sections at two sides;
the body of the middle section is in a cuboid shape laid horizontally, the two ends and the middle of the middle section along the length direction are respectively provided with a first groove used for forming a middle diaphragm Liang Moqiang, the inner side of the middle section is recessed towards the outer side to form the first groove, and the top surface of the first groove is communicated so as to be convenient for pouring concrete; the first groove is perpendicular to the length direction of the middle section;
the inner side surface of the body positioned on the end mould section is inclined to the outer side surface so as to form T Liang Moqiang, a second groove is formed in the distal end of the end mould section, and an angle-adjustable end diaphragm mould is arranged in the second groove; the top of the second groove is communicated, and the second groove comprises a first groove surface and a second groove surface which are perpendicular to the length direction of the end mould section;
the end diaphragm mold comprises a first vertical plate, wherein two sides of the first vertical plate are respectively hinged with the near side of the second vertical plate and the near side of the third vertical plate, and the far side of the second vertical plate and the far side of the third vertical plate are respectively hinged with a first groove surface and a second groove surface; the bottoms of the first vertical plate, the second vertical plate, the third vertical plate and the second groove form an end diaphragm Liang Moqiang with adjustable inclination angle;
the end faces of the middle mould section along the length direction are respectively provided with a first buckling groove, and the near end face of the end mould section is respectively provided with a first convex column matched with the first buckling grooves; the middle die section and the end die section are mutually connected through the matching of the first buckling groove and the first convex column;
the half mould further comprises a plurality of insert block groups which are arranged between the middle mould section and the end mould section to adjust the half mould length, each insert block group comprises two identical insert blocks, and the lengths of the insert blocks of any two insert block groups are different; the proximal end surfaces and the distal end surfaces of all the insertion blocks are respectively attached to the end surfaces of the middle mold section and the proximal end surfaces of the end mold section, second convex columns matched with the first buckling grooves are arranged on the proximal end surfaces of all the insertion blocks, and second buckling grooves matched with the first convex columns are arranged on the distal end surfaces of all the insertion blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710871661.5A CN107626822B (en) | 2017-09-25 | 2017-09-25 | Adjustable die for prefabricated T-beam for small-radius bent bridge |
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| CN201710871661.5A CN107626822B (en) | 2017-09-25 | 2017-09-25 | Adjustable die for prefabricated T-beam for small-radius bent bridge |
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| CN107626822B true CN107626822B (en) | 2023-11-10 |
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| CN112192725A (en) * | 2020-10-13 | 2021-01-08 | 安徽省新路建设工程集团有限责任公司 | Construction method for prefabricated T beam with tight joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI840779A0 (en) * | 1984-02-27 | 1984-02-27 | Rimera Oy | FOERFARANDE OCH FORM FOER FRAMSTAELLNING AV HTT- OCH TT-PLATTELEMENT AV BETONG GENOM ATT ANVAENDA SHTT / TT-FORM |
| JPH0721304U (en) * | 1993-09-28 | 1995-04-18 | 前田建設工業株式会社 | Form support equipment for the production of precast concrete materials |
| KR20090123388A (en) * | 2008-05-28 | 2009-12-02 | 주식회사 대흥 | Mold for manufacturing pc beam |
| CN102744774A (en) * | 2012-06-29 | 2012-10-24 | 浙江工业大学 | Prefabricated small box girder adjustable template for curved bridge |
| CN104908151A (en) * | 2015-06-26 | 2015-09-16 | 重庆市沙坪坝区宏达建筑材料公司 | Pouring mold of precast pre-stressed concrete T-shaped beam |
| CN207325758U (en) * | 2017-09-25 | 2018-05-08 | 浙江工业大学 | The adjustable mould of the curved bridge Precast T-Beam of minor radius |
-
2017
- 2017-09-25 CN CN201710871661.5A patent/CN107626822B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI840779A0 (en) * | 1984-02-27 | 1984-02-27 | Rimera Oy | FOERFARANDE OCH FORM FOER FRAMSTAELLNING AV HTT- OCH TT-PLATTELEMENT AV BETONG GENOM ATT ANVAENDA SHTT / TT-FORM |
| JPH0721304U (en) * | 1993-09-28 | 1995-04-18 | 前田建設工業株式会社 | Form support equipment for the production of precast concrete materials |
| KR20090123388A (en) * | 2008-05-28 | 2009-12-02 | 주식회사 대흥 | Mold for manufacturing pc beam |
| CN102744774A (en) * | 2012-06-29 | 2012-10-24 | 浙江工业大学 | Prefabricated small box girder adjustable template for curved bridge |
| CN104908151A (en) * | 2015-06-26 | 2015-09-16 | 重庆市沙坪坝区宏达建筑材料公司 | Pouring mold of precast pre-stressed concrete T-shaped beam |
| CN207325758U (en) * | 2017-09-25 | 2018-05-08 | 浙江工业大学 | The adjustable mould of the curved bridge Precast T-Beam of minor radius |
Non-Patent Citations (2)
| Title |
|---|
| 小半径曲线桥30m预应力T梁的预制;柴正富;;铁道标准设计(第06期);第30-33页 * |
| 小半径曲线梁桥设计要点;校飞燕;邢亮;张河锦;;城市道桥与防洪(第11期);第39-40页 * |
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| CN107626822A (en) | 2018-01-26 |
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