CN211340445U - Steel pipe arch rib and arch foot mounting structure - Google Patents
Steel pipe arch rib and arch foot mounting structure Download PDFInfo
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- CN211340445U CN211340445U CN201921857356.1U CN201921857356U CN211340445U CN 211340445 U CN211340445 U CN 211340445U CN 201921857356 U CN201921857356 U CN 201921857356U CN 211340445 U CN211340445 U CN 211340445U
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Abstract
The utility model relates to a steel pipe arch rib arch foot mounting structure, which comprises an arch rib, a pier inner bearing plate, an arch foot sleeve, an arch pier, a second hanging plate, a first hanging plate, an upper support frame, a lower support frame, an arch foot bottom die, an arch foot top die and an end die; an inner pier bearing plate connected with the arch springing sleeve is preset in the arch pier; the arch rib is arranged in the pipe cavity of the arch foot sleeve in a penetrating way and is welded and connected with the arch foot sleeve into a whole; the upper part and the lower part of the arch rib are respectively provided with a second hanging plate and a first hanging plate which are firmly connected through a hanging plate connecting bolt; a first supporting body and a lower supporting frame are arranged on the lower surface of the first hanging plate, and a second supporting body and an upper supporting frame are arranged on the upper surface of the second hanging plate; the arch foot bottom die and the arch foot top die are respectively arranged on the lower side and the upper side of the arch rib. The utility model has the advantages that: the utility model discloses the accessible is predetermine the spatial position of the arch rib of injecing in the hunch foot sleeve pipe in the hunch mound, has reduced the degree of difficulty of hunch rib space orientation.
Description
Technical Field
The utility model relates to a steel pipe arch rib arch foot mounting structure belongs to the bridge engineering field, is applicable to steel pipe concrete arch bridge installation engineering.
Background
The steel pipe concrete arch bridge has large span, the installation process of the steel pipe arch rib arch foot is complex, the problems of large difficulty of space positioning of the arch rib, obvious influence of the arch rib on an arch pier, large difficulty of laying of a template connecting and supporting system and the like exist, and the construction quality and the construction efficiency are seriously influenced.
There has been a strong support for installation of steel pipe concrete arch rib bridge hunch foot among the prior art, including first portal, the second portal, connect the longeron, preceding distributive girder and tail distributive girder, first portal and second portal are connected fixedly through connecting the longeron, preceding distributive girder, tail distributive girder is located the coplanar and the direction of arrangement the same with connecting the longeron, first portal and second portal top are provided with first elevation regulating block and second elevation regulating block respectively, install the hunch foot in the first elevation regulating block and the second elevation regulating block upper end of strength nature support. The support structure can be used for installing and positioning arch ribs at arch springing positions, does not relate to the problems of arch springing concrete pouring and template erecting, and is difficult to improve the stress performance of an arch pier structure.
In view of this, the present invention is needed to provide a steel tube arch rib arch springing installation structure which can effectively reduce the arch springing template supporting difficulty, improve the sealing performance of the template structure, and improve the stress performance of the arch springing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, providing one kind not only can reduce the hunch foot template and prop up and establish the degree of difficulty, can promote template structure's seal moreover, can also improve the steel pipe arch rib hunch foot mounting structure of the atress performance of hunch foot.
The steel pipe arch rib arch foot mounting structure comprises an arch rib, a pier inner pressure bearing plate, an arch foot sleeve, an arch pier, a second hanging plate, a first hanging plate, an upper supporting frame, a lower supporting frame, an arch foot bottom die, an arch foot top die and an end die; an inner pier bearing plate connected with the arch springing sleeve is preset in the arch pier; the arch rib is arranged in the pipe cavity of the arch foot sleeve in a penetrating way and is welded and connected with the arch foot sleeve into a whole; the upper part and the lower part of the arch rib are respectively provided with a second hanging plate and a first hanging plate which are firmly connected through a hanging plate connecting bolt; a first supporting body and a lower supporting frame are arranged on the lower surface of the first hanging plate, and a second supporting body and an upper supporting frame are arranged on the upper surface of the second hanging plate; the arch foot bottom die and the arch foot top die are respectively arranged at the lower side and the upper side of the arch rib, the suspension upright stanchion is connected with the connecting sleeve on the top die hanging plate on the upper surface of the arch foot top die, and the support upright stanchion is connected with the connecting sleeve on the bottom die supporting plate on the lower surface of the arch foot bottom die; the connecting ends of the arch foot bottom die, the arch foot top die and the arch pier are respectively provided with a bottom die sealing plate and a top die sealing plate, and the other ends of the arch foot bottom die and the arch foot top die are respectively provided with an end die; the vertical positions of the arch springing top die and the arch springing bottom die are controlled by a vertical rod adjusting bolt, and the opposite arch springing bottom die and the arch springing top die are tightly connected by a template fastening bolt; the position of the limiting end die is limited by the first support body and the second support body; the template closed layer and the arch pier are tightly connected through a third support body and a fourth support body respectively; and arch springing concrete is poured into a cavity formed by enclosing the arch pier, the arch springing top die and the arch springing bottom die.
Preferably, the method comprises the following steps: the bearing plate in the pier adopts a steel plate or a concrete precast slab.
Preferably, the method comprises the following steps: the arch foot sleeve and the arch rib are rolled by steel pipes; the curvature of the arch foot sleeve is the same as that of the arch rib, and the inner diameter of the arch foot sleeve is the same as the outer diameter of the arch rib; and an intercostal tie bar is arranged between the arch ribs.
Preferably, the method comprises the following steps: the cross sections of the arch foot bottom die and the arch foot top die are semicircular, the arch foot bottom die and the arch foot top die are respectively provided with a template ear plate, the joint of the template ear plates of the arch foot bottom die and the arch foot top die is provided with a bottom die airtight plate and a top die airtight plate, and the airtightness of the arch foot bottom die and the arch foot top die is controlled by a template fastening bolt; the arch foot bottom die and the arch foot top die are respectively provided with a bottom die supporting plate and a top die hanging plate, and the arch foot bottom die and the bottom die supporting plate and the arch foot top die and the top die hanging plate are firmly connected through template studs; and the bottom die supporting plate and the top die hanging plate are both provided with connecting sleeves.
Preferably, the method comprises the following steps: the cross sections of the second hanging plate and the first hanging plate are both arc-shaped, and hanging plate ear plates connected with the hanging plate connecting bolts are arranged on the second hanging plate and the first hanging plate.
Preferably, the method comprises the following steps: the first support body, the second support body, the third support body and the fourth support body respectively comprise support body screw rods, support body bolts and support body press plates, wherein the fastening directions of the support body screw rods connected with the two sides of the support body bolts are opposite, rod end rotating hinges are arranged at the end parts of the support body screw rods connected with the two sides of the support body bolts, and the support body press plates are connected with the support body screw rods through the rod end rotating hinges; the supporting body pressing plate at one end of the fourth supporting body is connected with the top die sealing plate, the rod end of the other end of the fourth supporting body is rotatably hinged to the pier top supporting plate, and a supporting anchor bar is arranged between the pier top supporting plate and the arch pier.
Preferably, the method comprises the following steps: the cross sections of the upper support frame and the lower support frame are L-shaped, the upper support frame and the lower support frame are respectively provided with a hanging vertical rod and a supporting vertical rod, and vertical rod adjusting bolts are respectively arranged on the hanging vertical rod and the supporting vertical rod.
Preferably, the method comprises the following steps: the end mold is perpendicularly connected with the arch springing bottom mold and the arch springing top mold, the mold plate sealing layer comprises a bottom mold sealing plate and a top mold sealing plate, the bottom mold sealing plate is connected with the arch springing bottom mold and the top mold sealing plate through pasting, and the bottom mold sealing plate and the top mold sealing plate are formed by cutting rubber plates.
The utility model has the advantages that:
(1) the utility model can limit the space position of the arch rib through the arch foot sleeve preset in the arch pier, thereby reducing the difficulty of space positioning of the arch rib; and simultaneously, the utility model discloses preset the interior bearing plate of mound in the hunch mound, can effectively reduce the influence of arch rib to the hunch mound, reduce local concentrated stress.
(2) The utility model is provided with the bottom die airtight plate and the top die airtight plate at the joint end of the arch foot bottom die, the arch foot top die and the arch pier, and the other end is provided with the end die, which can effectively improve the support airtightness of the arch foot die plate of the die plate; meanwhile, the arch springing bottom die and the arch springing top die are connected through the template fastening bolt, so that the difficulty of template connection can be reduced; in addition, the upper support frame and the lower support frame are fixed by the second hanging plates and the first hanging plates which are preset at the upper part and the lower part of the arch rib, so that the difficulty of laying a support system can be effectively reduced; the lengths of the first support body, the second support body, the third support body and the fourth support body can be adjusted on site according to needs, so that the accuracy of supporting and position control is improved; the pier inner bearing plate connected with the arch springing sleeve is preset in the arch pier, and the bottom end of the arch rib is inserted into the pipe cavity of the arch springing sleeve, so that the local stress can be effectively reduced, and the stress performance of the arch pier structure is improved.
Drawings
FIG. 1 is a schematic view of the installation structure of the steel tube arch rib and the arch foot of the present invention;
FIG. 2 is a schematic view of the connection structure of the arch foot bottom mold and the arch foot top mold of FIG. 1;
FIG. 3 is a schematic view of the arch springing connection of FIG. 1;
fig. 4 is a cross-sectional view of the first link plate or the second link plate of fig. 1.
Description of reference numerals: 1-a rib; 2-an intercostal tie bar; 3-pier inner bearing plate; 4-arch foot sleeve; 5-arch pier; 6-arch concrete; 7-a second hanging plate; 8-a first hanging plate; 9-hanging ear plates; 10-hanging board connecting bolts; 11-template ear plate; 12-a first support; 13-lower support frame; 14-a second support; 15-upper supporting frame; 16-arch foot bottom die; 17-arch springing top mold; 18-hanging vertical rods; 19-top mould hanging plate; 20-a connecting sleeve; 21-supporting upright rods; 22-bottom die supporting plate; 23-bottom die sealing plate; 24-a top mold closing plate; 25-end mold; 26-upright rod adjusting bolt; 27-template fastening bolts; 28-a third support; 29-a fourth support; 30-a template sealing layer; 31-template pegs; 32-a support screw; 33-support bolt; 34-a support platen; 35-a rod end rotating hinge; 36-pier top supporting plates; 37-supporting anchor bars.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Referring to fig. 1 to 4, in the steel pipe arch rib and arch springing installation structure, an inner pier pressure bearing plate 3 connected with an arch springing sleeve 4 is preset in an arch pier 5; after the arch pier 5 forms the strength, the arch rib 1 is arranged in the pipe cavity of the arch foot sleeve 4 in a penetrating way and is welded and connected with the arch foot sleeve 4 into a whole; the upper part and the lower part of the arch rib 1 are respectively provided with a second hanging plate 7 and a first hanging plate 8, and the first hanging plate 8 and the second hanging plate 7 are firmly connected through a hanging plate connecting bolt 10; a first supporting body 12 and a lower supporting frame 13 are arranged on the lower surface of the first hanging plate 8, and a second supporting body 14 and an upper supporting frame 15 are arranged on the upper surface of the second hanging plate 7; respectively placing an arch foot bottom die 16 and an arch foot top die 17 on the lower side and the upper side of an arch rib 1, connecting a suspension upright rod 18 with a connecting sleeve 20 on a top die hanging plate 19 on the upper surface of the arch foot top die 17, and connecting a supporting upright rod 21 with a connecting sleeve 20 on a bottom die supporting plate 22 on the lower surface of the arch foot bottom die 16; a bottom die airtight plate 23 and a top die airtight plate 24 are respectively arranged at the connecting ends of the arch foot bottom die 16, the arch foot top die 17 and the arch pier 5, and an end die 25 is arranged at the other ends of the arch foot bottom die 16 and the arch foot top die 17; the vertical positions of the arch springing top die 17 and the arch springing bottom die 16 are controlled by the upright rod adjusting bolt 26, and then the opposite arch springing bottom die 16 and the arch springing top die 17 are tightly connected by the template fastening bolt 27; the position of the end dies 25 is defined by the first support 12 and the second support 14, respectively; the formwork sealing layer 30 is tightly connected with the arch pier 5 through a third support body 28 and a fourth support body 29 respectively; after the space position of the arch rib 1 is checked to meet the requirement, the arch springing concrete 6 is poured into a cavity formed by enclosing the arch pier 5, the arch springing top die 17 and the arch springing bottom die 16.
The rib 1 is made of a steel pipe with strength grade Q345D and specification phi 750 multiplied by 14.
The intercostal tie bars 2 and the wales 25 are both made of steel pipes with strength grade Q345D and specification of phi 300 multiplied by 10.
The pier inner bearing plate 3 is made of a steel plate with the strength grade of Q345D, the thickness of 20mm and the width and height of 1000 mm.
The arch springing sleeve 4 is rolled by a steel plate with the strength grade of Q345D and the thickness of 12mm, the curvature of the arch springing sleeve 4 is the same as that of the arch rib 1, and the inner diameter is the same as the outer diameter of the arch rib 1.
The arch pier 5 and the arch foot concrete 6 are both formed by pouring concrete with the strength grade of C50.
The cross sections of the second hanging plate 7 and the first hanging plate 8 are arc-shaped and are formed by rolling steel plates with the thickness of 10 mm.
The hanging plate ear plate 9 is formed by cutting a steel plate with the thickness of 20mm, the width of the hanging plate ear plate is 20cm, and the length of the hanging plate ear plate is 30 cm.
The hanging plate connecting bolt 10 is a high-strength bolt with the diameter of 50 mm.
The first support body 12, the second support body 14, the third support body 28 and the fourth support body 29 are all composed of support body screw rods 32, support body bolts 33 and support body pressing plates 34. Wherein the diameter of the support body screw rod 32 is 30mm, and the fastening directions of the support body screw rods 32 at two sides of the support body bolt 33 are opposite; the support body pressing plate 34 is formed by rolling a steel plate with the thickness of 10mm, and is connected with the support body screw 32 through a rod end rotating hinge 35, and the rod end rotating hinge 35 is a spherical hinge with the diameter of 30 mm.
The cross sections of the upper support frame 15 and the lower support frame 13 are L-shaped and are rolled by H-shaped steel of 100 multiplied by 6 multiplied by 8.
The cross sections of the arch springing bottom die 16 and the arch springing top die 17 are semicircular and are formed by rolling steel plates with the thickness of 10 mm; the template ear plate 11 is integrally rolled with the arch springing bottom die 16 and the arch springing top die 17, and the width of the template ear plate is 10 cm.
The top die hanging plate 19 and the bottom die supporting plate 22 are both formed by rolling steel plates with the thickness of 10 mm.
The suspension upright rod 18 and the connecting sleeve 20 are both made of rolled steel tube materials.
The supporting upright rod 21 is formed by rolling a steel pipe with the diameter of 50 mm.
The template sealing layer 30 comprises a bottom die sealing plate 23 and a top die sealing plate 24 which are formed by cutting rubber plates with the thickness of 10mm and are connected with the arch springing bottom die 16 and the arch springing top die 17 in a sticking mode.
The end mold 25 is formed by rolling a steel plate with the thickness of only 10mm and is connected with the arch springing bottom mold 16 and the arch springing top mold 17 in a welding mode. The upright rod adjusting bolt 26 and the template fastening bolt 27 both adopt high-strength bolts with the diameter of 30 mm.
The template pegs 31 are made of stainless steel bolts with a diameter of 20 mm.
The pier top supporting plate 36 is made of a steel plate with the thickness of 20mm, the height of the pier top supporting plate is 50cm, and the width of the pier top supporting plate is 50 cm.
The support anchor bars 37 are made of steel pipes with a diameter of 60 mm.
Claims (8)
1. Steel pipe arch rib arch foot mounting structure, its characterized in that: the arch rib supporting device comprises arch ribs (1), pier inner bearing plates (3), arch foot sleeves (4), arch piers (5), second hanging plates (7), first hanging plates (8), an upper supporting frame (15), a lower supporting frame (13), an arch foot bottom die (16), an arch foot top die (17) and an end die (25); an inner pier bearing plate (3) connected with the arch foot sleeve (4) is preset in the arch pier (5); the arch rib (1) is arranged in the cavity of the arch foot sleeve (4) in a penetrating way and is welded and connected with the arch foot sleeve (4) into a whole; the upper part and the lower part of the arch rib (1) are respectively provided with a second hanging plate (7) and a first hanging plate (8), and the first hanging plate (8) and the second hanging plate (7) are firmly connected through a hanging plate connecting bolt (10); a first supporting body (12) and a lower supporting frame (13) are arranged on the lower surface of the first hanging plate (8), and a second supporting body (14) and an upper supporting frame (15) are arranged on the upper surface of the second hanging plate (7); the arch foot bottom die (16) and the arch foot top die (17) are respectively arranged at the lower side and the upper side of the arch rib (1), the suspension upright stanchion (18) is connected with the connecting sleeve (20) on the top die hanging plate (19) on the upper surface of the arch foot top die (17), and the support upright stanchion (21) is connected with the connecting sleeve (20) on the bottom die supporting plate (22) on the lower surface of the arch foot bottom die (16); the connecting ends of the arch foot bottom die (16), the arch foot top die (17) and the arch pier (5) are respectively provided with a bottom die sealing plate (23) and a top die sealing plate (24), and the other ends of the arch foot bottom die (16) and the arch foot top die (17) are respectively provided with an end die (25); the vertical positions of the arch foot top die (17) and the arch foot bottom die (16) are controlled by a vertical rod adjusting bolt (26), and the opposite arch foot bottom die (16) and the arch foot top die (17) are tightly connected by a template fastening bolt (27); the position defining the end die (25) is defined by the first support (12) and the second support (14); the template sealing layer (30) and the arch pier (5) are respectively and tightly connected through a third support body (28) and a fourth support body (29); the arch pier (5), the arch foot top die (17) and the arch foot bottom die (16) are enclosed to form a cavity, and arch foot concrete (6) is poured into the cavity.
2. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the pier inner bearing plate (3) is made of steel plates or concrete precast plates.
3. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the arch foot sleeve (4) and the arch rib (1) are formed by rolling steel pipes; the curvature of the arch springing sleeve (4) is the same as that of the arch rib (1), and the inner diameter of the arch springing sleeve (4) is the same as the outer diameter of the arch rib (1); and an intercostal tie rod (2) is arranged between the arch ribs (1).
4. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the cross sections of the arch foot bottom die (16) and the arch foot top die (17) are semicircular, the template ear plates (11) are arranged on the arch foot bottom die (16) and the arch foot top die (17), a bottom die sealing plate (23) and a top die sealing plate (24) are arranged at the joint of the template ear plates (11) of the arch foot bottom die (16) and the arch foot top die (17), and the tightness of the arch foot bottom die (16) and the arch foot top die (17) is controlled by a template fastening bolt (27); the arch foot bottom die (16) and the arch foot top die (17) are respectively provided with a bottom die supporting plate (22) and a top die hanging plate (19), and the arch foot bottom die (16) and the bottom die supporting plate (22) as well as the arch foot top die (17) and the top die hanging plate (19) are firmly connected through template studs (31); and the bottom die supporting plate (22) and the top die hanging plate (19) are both provided with connecting sleeves (20).
5. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the cross sections of the second hanging plate (7) and the first hanging plate (8) are arc-shaped, and a hanging plate ear plate (9) connected with a hanging plate connecting bolt (10) is arranged on the second hanging plate and the first hanging plate.
6. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the first support body (12), the second support body (14), the third support body (28) and the fourth support body (29) respectively comprise a support body screw rod (32), a support body bolt (33) and a support body pressing plate (34), wherein the fastening directions of the support body screw rods (32) connected with the two sides of the support body bolt (33) are opposite, rod end rotating hinges (35) are respectively arranged at the end parts of the support body screw rods (32) connected with the two sides of the support body bolt (33), and the support body pressing plate (34) is connected with the support body screw rods (32) through the rod end rotating hinges (35); and a support body pressure plate (34) at one end of the fourth support body (29) is connected with the top die sealing plate (24), a rod end rotating hinge (35) at the other end is connected with a pier top supporting plate (36), and a supporting anchor bar (37) is arranged between the pier top supporting plate (36) and the arch pier (5).
7. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: the cross sections of the upper support frame (15) and the lower support frame (13) are L-shaped, the upper support frame (15) and the lower support frame (13) are respectively provided with a suspension upright rod (18) and a support upright rod (21), and the suspension upright rod (18) and the support upright rod (21) are respectively provided with an upright rod adjusting bolt (26).
8. A steel tube rib arch foot mounting structure as set forth in claim 1, wherein: end mould (25) meet perpendicularly with hunch foot die block (16) and hunch foot top mould (17), the airtight layer of template (30) includes die block airtight plate (23) and top mould airtight plate (24), and die block airtight plate (23) and hunch foot die block (16), top mould airtight plate (24) all are connected through pasting with hunch foot top mould (17), and die block airtight plate (23) and top mould airtight plate (24) adopt the rubber slab cutting to form.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857356.1U CN211340445U (en) | 2019-10-31 | 2019-10-31 | Steel pipe arch rib and arch foot mounting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857356.1U CN211340445U (en) | 2019-10-31 | 2019-10-31 | Steel pipe arch rib and arch foot mounting structure |
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| CN211340445U true CN211340445U (en) | 2020-08-25 |
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| CN201921857356.1U Active CN211340445U (en) | 2019-10-31 | 2019-10-31 | Steel pipe arch rib and arch foot mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428248A (en) * | 2023-04-13 | 2023-07-14 | 华中科技大学 | Adjustable fixing device for arch feet of plate arch |
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2019
- 2019-10-31 CN CN201921857356.1U patent/CN211340445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428248A (en) * | 2023-04-13 | 2023-07-14 | 华中科技大学 | Adjustable fixing device for arch feet of plate arch |
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