CN113202032B - Supporting system and supporting method for abdominal arch ring template - Google Patents
Supporting system and supporting method for abdominal arch ring template Download PDFInfo
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- CN113202032B CN113202032B CN202110422332.9A CN202110422332A CN113202032B CN 113202032 B CN113202032 B CN 113202032B CN 202110422332 A CN202110422332 A CN 202110422332A CN 113202032 B CN113202032 B CN 113202032B
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- arch ring
- abdominal
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- rods
- arch
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a supporting system and a supporting method for an abdominal arch ring template, wherein the supporting system comprises a cross rod, a connector, a stay bar, a top stay, a cushion block and a wedge block; the cross bar is parallel to the width direction of the bridge and is wholly or sectionally spliced to be as long as the width of the bridge, the adapter is sleeved along the cross bar, the root of the stay bar is arranged on the adapter, the stay bar on the same adapter is perpendicular to the cross bar and distributed around the cross bar, the stay bars on the adjacent adapters are staggered mutually, the top support is connected to the outer extending end of the stay bar in an adjustable manner, the top support on the lower side is stably supported on the arch crown of the main arch ring or the side wall of the pier stud through the wedge block, and the top support on the upper side is tightly supported on the arch crown template through the cushion block. The invention has the advantages of simple structure, convenient assembly and disassembly, high working efficiency, high universality, repeated use, safety and reliability.
Description
Technical Field
The invention belongs to the field of municipal engineering construction, and particularly relates to an abdominal arch ring template supporting system and a supporting method.
Background
Need install braced system in abdomen arch ring template below earlier before the abdomen arch ring is pour, present braced system includes vertical steel pipe, horizontal pole and connection fastener, and present abdomen arch ring template braced system has following problem: 1. when the abdominal arch ring is constructed, because the main arch and pier stud of the arch bridge are constructed, the construction space is narrow (the width of the abdominal arch ring is usually 2-3 m), and the arch crown of the main arch ring is arranged below the abdominal arch ring, so that the angle is inclined, and the operation of personnel is not facilitated; 2. the sizes of the abdominal arch rings at different arch bridges and different positions are different, so that the sizes of steel pipes to be processed are also different, the steel pipes are required to be processed again each time, and manpower and materials are wasted; 3. in order to ensure the construction safety, some of the supporting systems are provided with the cross braces, but the width of the bridge is long (the width of the bridge is generally 30 meters), and the cross braces are arranged along the line, so that the system is complex and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a supporting system and a supporting method for an abdominal arch ring template.
The technical scheme adopted by the invention is as follows:
a supporting system for an abdominal arch ring template comprises a cross rod, an adapter, a supporting rod, a top support, a cushion block and a wedge block; the cross bar is parallel to the width direction of the bridge and is wholly or sectionally spliced to be as long as the width of the bridge, the adapter is sleeved along the cross bar, the root of the stay bar is arranged on the adapter, the stay bar on the same adapter is perpendicular to the cross bar and distributed around the cross bar, the stay bars on the adjacent adapters are staggered mutually, the top support is connected to the outer extending end of the stay bar in an adjustable manner, the top support on the lower side is stably supported on the arch crown of the main arch ring or the side wall of the pier stud through the wedge block, and the top support on the upper side is tightly supported on the arch crown template through the cushion block.
Furthermore, four support rods are uniformly distributed on the same adapter piece around the cross rod, and the support rods on the adjacent adapter pieces are staggered by 45 degrees.
Further, the overhanging end of the top support is a clamping seat used for limiting the cushion block or the wedge block.
Furthermore, the cross rods and the support rods are made of steel pipes, the cushion blocks are made of battens, and the wedge blocks are made of wood wedges.
Furthermore, when the cross rods are spliced in sections, the sections are connected through flanges.
Further, the root of the stay bar is inserted on the adapter and connected through a bolt.
A method for supporting a web arch ring formwork is based on the web arch ring formwork supporting system, after construction of a main arch ring and pier columns is completed, the space size of a web arch ring construction area is measured firstly, then the interval and the number of connectors and the number of corresponding supporting rods and supporting rods are determined according to the length of the web arch ring construction area, the supporting rods are installed on the supporting rods, the extending length of the supporting rods at all positions is roughly adjusted according to the section size of the web arch ring construction area, then the supporting rods are installed on the connectors, then the connectors are sleeved on the positions of one ends of the web arch ring construction area on cross rods, the extending of the supporting rods is precisely adjusted, the supporting rods at the lower side are stably supported on the main arch ring arch crown or pier column side walls through wedge blocks, the supporting rods at the upper side are tightly supported on the web arch ring formwork through cushion blocks or are matched with the web arch ring formwork which is not in place, then the connectors are installed at intervals one by one toward the other end of the web arch ring construction area and are tightly adjusted, and in the installation process, the supporting rods on the adjacent connectors are mutually staggered and spliced when the length of the cross rods is insufficient.
Further, after the construction of the main arch ring and the pier stud is completed and before the installation of the abdominal arch ring template supporting system, the arch crown of the main arch ring or the side wall of the pier stud is cleaned.
The beneficial effects of the invention are:
the supporting system adopted by the invention has the advantages of simple structure, convenience in assembly and disassembly, capability of completing installation by one person, high working efficiency, high universality and reusability, can adapt to the abdominal arch rings with different sizes and lengths, can bear the force at a position with a larger inclination angle of the abdominal arch ring and is more uniformly stressed, the supporting system is safe and reliable, the wedge blocks make up the defect that the arch crown of the main arch ring and the side wall of the pier column are not in flat contact with the top support, the supporting stability is ensured, the stress area is increased by the cushion blocks, and the supporting reliability of the abdominal arch ring template is ensured.
Drawings
Fig. 1 is a schematic diagram of the operation of an abdominal arch ring formwork support system in an embodiment of the present invention.
FIG. 2 is a schematic view of an abdominal torus formwork support system in an embodiment of the present invention.
In the figure: 1-top bracing; 2-a stay bar; 3-an adapter; 4-a cross bar; 5-wedge block; 6-main arch ring; 7-pier stud; 8-cushion block; 9-a flange.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 and fig. 2, a supporting system for a web arch ring template comprises a cross rod 4, an adapter 3, a stay bar 2, a top support 1, a cushion block 8 and a wedge block 5; horizontal pole 4 is on a parallel with bridge width direction and leads to long with the bridge width after whole or segmentation concatenation, the cover that adaptor 3 distributes is along the horizontal pole 4, 2 roots of vaulting pole are established on adaptor 3, 2 perpendicular to horizontal poles 4 of vaulting pole on the same adaptor 3 distribute around horizontal pole 4, vaulting pole 2 on the adjacent adaptor 3 stagger each other, the adjustable connection of 1 screw thread of shore is in the overhanging end of vaulting pole 2, shore 1 that is located the downside props steadily through voussoir 5 on 6 vault of main arch ring or pier stud 7 side walls, shore 1 that is located the upside closely props up on the abdomen arch ring template through cushion 8.
As shown in fig. 1 and 2, in the present embodiment, the stay 2 is inserted at the root onto the adaptor 3 and is connected by bolts.
As shown in fig. 2, in the present embodiment, four struts 2 are uniformly distributed on the same adapter 3 around the cross bar 4, and the struts 2 on adjacent adapters 3 are staggered by 45 ° from each other. As shown in fig. 2, in the present embodiment, the extending end of the top support 1 is a clamping seat for limiting the cushion block 8 or the wedge block 5. In the present embodiment, as shown in fig. 2, the cross bars 4 are connected by flanges 9 when being spliced in sections.
In this embodiment, the cross bar 4 and the stay bar 2 are made of steel pipes, the cushion block 8 is made of wood, and the wedge block 5 is made of wood wedge. The distance between the adapters 3 along the cross rod 4 is set according to the width of the bridge and the size of the abdominal arch ring, and the length of the adapters is 1 meter; the length of the cross rod 4 is set according to the width of the bridge, and 6-8 meters is selected in the embodiment; the size of the cushion block 8 is set according to actual needs, and 60mm × 80mm is selected in the embodiment.
A method for supporting a web arch ring formwork is based on the web arch ring formwork supporting system, after construction of a main arch ring 6 and pier studs 7 is completed, the space size of a web arch ring construction area is measured firstly, then the interval and the number of adapters 3 and the number of corresponding support rods 2 and support rods 1 are determined according to the length of the web arch ring construction area, the support rods 1 are installed on the support rods 2, the extending length of the support rods 1 at all positions is roughly adjusted according to the section size of the web arch ring construction area, then the support rods 2 are installed on the adapters 3, then the adapters 3 are sleeved at one end of the web arch ring construction area on a cross bar 4, the support rods 1 at the lower side are enabled to be stably supported on the side wall of the main arch ring 6 or pier stud 7 through wedge blocks 5, the support rods 1 at the upper side are closely supported on the web arch ring formwork through cushion blocks 8 or are matched with the web arch ring formwork which is not in place, then the adapters 3 are installed at intervals towards the other end of the web arch ring construction area and tightly adjusted, the support rods 3 are staggered and spliced 4.
In this embodiment, after the construction of the main arch ring 6 and the pier stud 7 is completed, before the installation of the abdominal arch ring formwork support system, the arch crown of the main arch ring 6 or the side wall of the pier stud 7 is cleaned, so as to ensure reliable contact with the top support 1.
The supporting system adopted by the invention has the advantages of simple structure, convenience in assembly and disassembly, capability of completing installation by one person, high working efficiency, capability of adapting to the abdominal arch rings with different sizes and lengths, high universality and reusability, the support rods 2 on the adjacent adapter pieces 3 are staggered, the force at the position with a larger inclination angle of the abdominal arch ring can be borne, the stress is more uniform, the supporting system is safe and reliable, the wedge block 5 makes up the defect that the vault of the main arch ring 6 and the side wall of the pier stud 7 are in uneven contact with the top support 1, the stable support is ensured, the stress area is increased by the cushion block 8, and the reliable support of the abdominal arch ring template is ensured.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A method for supporting an abdominal arch ring template is characterized by comprising the following steps: based on the abdominal arch ring template supporting system, the arch ring template supporting system comprises a cross rod, an adapter, a support rod, a top support, a cushion block and a wedge block; the cross bars are parallel to the width direction of the bridge and are wholly or sectionally spliced to be as long as the width of the bridge, the adapter pieces are distributed and sleeved along the cross bars, the roots of the support rods are arranged on the adapter pieces, the support rods on the same adapter piece are perpendicular to the cross bars and distributed around the cross bars, the support rods on the adjacent adapter pieces are staggered with each other, the top support threads are adjustably connected to the extending ends of the support rods, the top support on the lower side is stably supported on the arch crown of the main arch ring or the side wall of the pier stud through wedge blocks, and the top support on the upper side is tightly supported on the arch crown ring template through cushion blocks;
after the construction of the main arch ring and the pier stud is completed, firstly measuring the space size of a construction area of the abdominal arch ring, then determining the interval and the number of the adapters and the number of the corresponding stay rods and the corresponding shores according to the length of the construction area of the abdominal arch ring, mounting the shores on the stay rods, roughly adjusting the extending length of the shores at all positions according to the section size of the construction area of the abdominal arch ring, then mounting the stay rods on the adapters, then sleeving the adapters on the cross rods at one end of the construction area of the abdominal arch ring, precisely adjusting the extending of the shores, enabling the shores at the lower side to be stably supported on the arch crown of the main arch ring or the side wall of the pier stud through wedge blocks, enabling the shores at the upper side to be tightly supported on an arch crown ring template through cushion blocks or to be matched with the arch ring template which is not in place, then mounting the adapters at intervals one by one at the other end of the construction area of the abdominal arch ring and tightly adjusting the struts, wherein the stay rods on adjacent adapters are staggered with each other adapters in the mounting process, and the struts are spliced and lengthened when the length of the cross rods is not enough.
2. The abdominal arch ring template support method of claim 1, wherein: after the construction of the main arch ring and the pier stud is completed, the arch crown of the main arch ring or the side wall of the pier stud is cleaned before the web arch ring formwork support system is installed.
3. The abdominal arch ring template support method of claim 1, wherein: four support rods are uniformly distributed on the same adapter piece around the cross rod, and the support rods on the adjacent adapter pieces are staggered by 45 degrees.
4. The abdominal arch ring template support method of claim 1, wherein: the overhanging end of the top support is a clamping seat used for limiting the cushion block or the wedge block.
5. The abdominal arch ring template support method of claim 1, wherein: the cross rod and the stay bar are made of steel pipes, the cushion block is made of battens, and the wedge block is made of wood wedges.
6. The abdominal arch ring template support method of claim 1, wherein: when the cross bars are spliced in sections, the sections are connected through flanges.
7. The abdominal arch ring template support method of claim 1, wherein: the root of the stay bar is inserted on the adapter and connected through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422332.9A CN113202032B (en) | 2021-04-20 | 2021-04-20 | Supporting system and supporting method for abdominal arch ring template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422332.9A CN113202032B (en) | 2021-04-20 | 2021-04-20 | Supporting system and supporting method for abdominal arch ring template |
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| Publication Number | Publication Date |
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| CN113202032A CN113202032A (en) | 2021-08-03 |
| CN113202032B true CN113202032B (en) | 2022-10-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509078A1 (en) * | 1994-03-15 | 1995-10-19 | Tobias Erz | Shuttering for overhead concrete arches |
| CN106759124A (en) * | 2016-12-15 | 2017-05-31 | 中国建筑第二工程局有限公司 | A kind of construction method of the circulating water pipe ditch of drawing-die system and application drawing-die system |
| CN107795120A (en) * | 2017-10-21 | 2018-03-13 | 广西广投同力德科技有限公司 | More curved surfaces freely stretch construction form and shoring system equipment |
| CN209989821U (en) * | 2019-03-08 | 2020-01-24 | 中国一冶集团有限公司 | Scalable prefabricated arch skeleton centre form |
| CN212670353U (en) * | 2020-06-28 | 2021-03-09 | 中国建筑土木建设有限公司 | Culvert arch ring construction equipment |
| CN214301344U (en) * | 2020-12-15 | 2021-09-28 | 长安大学 | Adjustable arch culvert internal mold device |
-
2021
- 2021-04-20 CN CN202110422332.9A patent/CN113202032B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509078A1 (en) * | 1994-03-15 | 1995-10-19 | Tobias Erz | Shuttering for overhead concrete arches |
| CN106759124A (en) * | 2016-12-15 | 2017-05-31 | 中国建筑第二工程局有限公司 | A kind of construction method of the circulating water pipe ditch of drawing-die system and application drawing-die system |
| CN107795120A (en) * | 2017-10-21 | 2018-03-13 | 广西广投同力德科技有限公司 | More curved surfaces freely stretch construction form and shoring system equipment |
| CN209989821U (en) * | 2019-03-08 | 2020-01-24 | 中国一冶集团有限公司 | Scalable prefabricated arch skeleton centre form |
| CN212670353U (en) * | 2020-06-28 | 2021-03-09 | 中国建筑土木建设有限公司 | Culvert arch ring construction equipment |
| CN214301344U (en) * | 2020-12-15 | 2021-09-28 | 长安大学 | Adjustable arch culvert internal mold device |
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| Publication number | Publication date |
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| CN113202032A (en) | 2021-08-03 |
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