CN113202032A - Supporting system and supporting method for abdominal arch ring template - Google Patents
Supporting system and supporting method for abdominal arch ring template Download PDFInfo
- Publication number
- CN113202032A CN113202032A CN202110422332.9A CN202110422332A CN113202032A CN 113202032 A CN113202032 A CN 113202032A CN 202110422332 A CN202110422332 A CN 202110422332A CN 113202032 A CN113202032 A CN 113202032A
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- arch ring
- stay
- abdominal
- bar
- adapter
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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. 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, 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.
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, the sections are connected through flanges when the cross rods are spliced in sections.
Further, the root of the stay bar is inserted on the adapter and connected through a bolt.
A method for supporting the formwork of abdominal arch ring includes such steps as measuring the space size of the construction area of abdominal arch ring after the construction of main arch ring and pier stud, determining the intervals and number of adapters and the numbers of supporting rods and supporting struts, installing supporting struts to said supporting rods, regulating the extension length of supporting strut, installing supporting rods to said adapters, sleeving the adapters on the transverse rods, and regulating the extension of supporting strut to make the supporting strut be stably supported by wedge blocks on the arch crown or pier stud, tightly supporting the supporting strut by cushion blocks, and tightly installing adapters, in the installation process, the stay bars on adjacent adapters are staggered, and the cross bars are spliced and lengthened when the lengths are 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 invention has the beneficial effects that:
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-flange.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 and 2, the abdominal arch ring template supporting system comprises a cross rod 4, an adapter 3, a stay rod 2, a top stay 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 overhanging end of the top stay 1 is a clamping seat for limiting the cushion block 8 or the wedge 5. In the present embodiment, as shown in fig. 2, the cross bars 4 are connected by flanges 9 when they are spliced together.
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 x 80mm is selected in the embodiment.
A method for supporting a web arch ring template is based on the web arch ring template supporting system, after a main arch ring 6 and a pier stud 7 are constructed, the space size of a web arch ring construction area is measured firstly, then the interval and the number of adapter pieces 3 and the number of corresponding support rods 2 and support struts 1 are determined according to the length of the web arch ring construction area, the support struts 1 are installed on the support rods 2, the extending length of the support struts 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 adapter pieces 3, then the adapter pieces 3 are sleeved on cross rods 4 at one end of the web arch ring construction area, the support struts 1 at the lower side are enabled to be stably supported on the side wall of the main arch ring 6 or the pier stud 7 through wedge blocks 5, the support struts 1 at the upper side are tightly supported on the web arch ring template through cushion blocks 8 or are matched with the web arch ring template which is not in place, then to the installation adaptor 3 of abdomen arch ring construction area other end interval one by one and closely adjust, in the installation, vaulting pole 2 on adjacent adaptor 3 staggers each other, and the concatenation is lengthened when horizontal pole 4 length is not enough.
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 (8)
1. The utility model provides an abdominal arch ring template braced system which characterized in that: the device comprises a cross rod, an adapter, a stay bar, 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.
2. The abdominal arch ring template support system 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.
3. The abdominal arch ring template support system 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.
4. The abdominal arch ring template support system 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.
5. The abdominal arch ring template support system of claim 1, wherein: when the cross bars are spliced in sections, the sections are connected through flanges.
6. The abdominal arch ring template support system of claim 1, wherein: the root of the stay bar is inserted on the adapter and connected through a bolt.
7. A method for supporting an abdominal arch ring template is characterized by comprising the following steps: based on the abdominal arch ring formwork support system according to any one of claims 1 to 6, after the construction of the main arch ring and the pier stud is completed, the spatial dimension of the abdominal arch ring construction area is measured, then the interval and the number of the adapters and the corresponding number of the stay bars and the stay bars are determined according to the length of the abdominal arch ring construction area, the stay bars are installed on the stay bars, the extension length of the stay bars at each position is roughly adjusted according to the sectional dimension of the abdominal arch ring construction area, the stay bars are installed on the adapters, then the adapters are sleeved on the cross bars at one end of the abdominal arch ring construction area, the extension of the stay bars is precisely adjusted, so that the stay bars at the lower side are stably supported on the main arch ring arch crown or the pier stud side wall through wedge blocks, the stay bars at the upper side are tightly supported on the abdominal arch ring formwork through cushion blocks or are matched with the abdominal arch ring formwork plates which are not in place, then the adapters are installed and tightly adjusted one by one toward the other end of the abdominal arch ring construction area, in the installation process, the stay bars on adjacent adapters are staggered, and the cross bars are spliced and lengthened when the lengths are insufficient.
8. The abdominal arch ring template support method of claim 7, 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.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN113202032A true CN113202032A (en) | 2021-08-03 |
| CN113202032B CN113202032B (en) | 2022-10-04 |
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| CN202110422332.9A Active CN113202032B (en) | 2021-04-20 | 2021-04-20 | Supporting system and supporting method for abdominal arch ring template |
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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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| CN113202032B (en) | 2022-10-04 |
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