CN108952236B - Supporting device, supporting and dismounting method for lower cornice template of track - Google Patents
Supporting device, supporting and dismounting method for lower cornice template of track Download PDFInfo
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- CN108952236B CN108952236B CN201810810908.7A CN201810810908A CN108952236B CN 108952236 B CN108952236 B CN 108952236B CN 201810810908 A CN201810810908 A CN 201810810908A CN 108952236 B CN108952236 B CN 108952236B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
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Abstract
The invention relates to a supporting device for a lower cornice template of a track, wherein the lower cornice is positioned at one end of the track, the supporting device for the lower cornice template comprises a leveling pipe arranged on the inner surface of the lower cornice, an inner side template and an outer side template opposite to the inner side template, the upper end of the inner side template is level to the concrete design surface at the top end of the lower cornice, the lower end of the inner side template is tightly attached to the leveling pipe, a plurality of supporting bars are arranged at the top end of the lower cornice along the surface of the concrete, and the supporting bars are connected with the outer side template and the inner side template. The invention is beneficial to improving the construction efficiency, and has the minimum influence on the acting force of the concrete surface during subsequent form removal.
Description
Technical Field
The invention relates to the technical field of track construction, in particular to a device for erecting, erecting and dismantling a lower cornice template of a track.
Background
The 24 th winter olympic sport will be held in 2022 of beijing, where beijing will hold all ice items and yangqing and zhangjiakou will hold all snow items. In order to ensure the successful progress of winter audiences, the relevant playing fields are also under the grasp construction.
The snow-car project and the sled project are snow sports with strong ornamental value, and the snow-car and the sled track are used as competition slideways of the winter Olympic meeting snow-car project and the sled project and are slideways with high quality requirements. The track is the first domestic and third Asia, so that the track is the most complex facility with the highest design difficulty in the Beijing winter Olympic project.
The snowmobile ski track is a hyperboloid track with space change, and is complex in shape and high in requirement on the size of a forming space on the surface of sprayed concrete. The inner side of the track is formed by spraying and machining, a formwork is not required to be erected, but the spraying and forming at the upper and lower cornice positions are difficult, and a formwork is required to be erected on the inner side to play a role in temporary enclosure. In the traditional formwork supporting mode, if the concrete does not reach a certain strength, the formwork is detached, the structure is damaged due to easy stress, and the secondary repair is complex, difficult, time-consuming and labor-consuming; if the concrete reaches the formwork after certain intensity, although the concrete is not destroyed, the surface appearance is poor, and the slab staggering exists at the lower opening of the formwork easily, so that the secondary processing leveling repair and the secondary leveling processing cannot be carried out.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problems of poor forming effect and low construction efficiency caused by difficult formwork erection in the prior art, so that the device for erecting, erecting and dismantling the lower cornice formwork of the racing track, which is convenient in formwork erection, has the minimum influence on the acting force of a concrete surface and good forming effect, is provided.
In order to solve the technical problem, the supporting device for the lower cornice template of the track comprises a leveling pipe arranged on the inner surface of the lower cornice, an inner side template and an outer side template opposite to the inner side template, wherein the upper end of the inner side template is level with a concrete design surface at the top end of the lower cornice, the lower end of the inner side template is tightly attached to the leveling pipe, a plurality of supporting bars are arranged at the top end of the lower cornice along the surface of the concrete, and the supporting bars are connected with the outer side template and the inner side template.
In one embodiment of the invention, the inner formwork is fixed to the leveling tube by first self-tapping screws.
In one embodiment of the invention, the support bars are equally spaced along the surface of the concrete.
In one embodiment of the invention, a first support body is arranged on one side of the outer side template far away from the inner side template, the outer side template is closely adjacent to the first support body, and the support bars are fixed on the first support body.
In one embodiment of the invention, the supporting strip is fixed on the first supporting body through a second self-tapping screw.
In one embodiment of the invention, the device further comprises a second supporting body which is abutted against the upper end of the outer template.
In one embodiment of the invention, the formwork further comprises a third support body, the third support body is adjacent to the inner formwork, and the supporting bars are fixed on the third support body.
In one embodiment of the present invention, the supporting bar is fixed on the third supporting body by a third self-tapping screw.
In one embodiment of the invention, the building further comprises a bottom template arranged at the bottom end of the lower cornice, and the outer template is fixed on the bottom template.
The invention also provides a method for erecting the runner eave template, which is used for erecting the eave of the runner according to the device for erecting the runner eave template, and comprises the following steps: step S1: arranging an inner side template, an outer side template and a leveling pipe along a lower cornice of the track, keeping the upper end of the inner side template level with a concrete design surface at the top end of the lower cornice, and fixing the lower end of the inner side template on the leveling pipe; step S2: the top of eaves mouth is followed a plurality of support bars are laid on the surface of concrete, and are made the support bar with outside template with inside template all links to each other.
The invention also provides a method for dismantling the racing track eave template, which is used for dismantling any one of the devices for erecting the racing track eave template, and comprises the following steps: after the concrete is sprayed and the inner side surface of the lower cornice is leveled, the supporting strips and the inner side template are removed simultaneously before the concrete is initially set, and then the leveling pipe is continuously removed; and finally, removing the outer side template.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the device for supporting the lower cornice template of the track, the supporting method and the dismounting method, a plurality of supporting bars are arranged at the top end of the lower cornice along the surface of the concrete, the supporting bars are connected with the outer side template, the supporting bars are favorable for ensuring the stability of the inner side template and the outer side template, the whole device is simple, so that the construction efficiency is favorably improved, the influence on the acting force of the concrete surface during subsequent mould dismounting is minimum, conditions are created for repairing the adjacent surface, and the sled track is ensured to be sprayed and processed on the concrete surface of the lower cornice for one-time forming.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a general schematic view of the racetrack of the present invention;
fig. 2 is an enlarged view of a portion of the lower cornice of the present invention.
Description of the drawings: 10-track, 20-cornice, 21-leveling pipe, 22-inner side template, 23-outer side template, 24-support bar, 25-first support body, 26-second support body, 27-third support body and 28-bottom template.
Detailed Description
Example one
As shown in fig. 1 and 2, this embodiment provides a device is established to cornice template under racetrack, wherein cornice 20 is located the one end of racetrack 10, cornice template establishes the device including setting up cornice 20 internal surface make level pipe 21, inboard template 22, with the relative outside template 23 of inboard template 22 down, wherein inboard template 22 the upper end with the concrete design face on cornice 20 top is kept flat down, inboard template 22's lower extreme pastes tightly make level pipe 21, just the top of cornice 20 is followed down the surface of concrete is equipped with a plurality of support bars 24, support bar 24 with outboard template 23 with inboard template 22 all links to each other.
This embodiment the device is established to cornice template under the racetrack, wherein cornice 20 is located the one end of racetrack 10, cornice template establishes the device including setting up cornice 20 internal surface's the pipe 21, inboard template 22 of making level down, with the relative outside template 23 of inboard template 22, it is right to find level pipe 21 is used for making level down cornice 20's surface, radian control, inboard template 22 with outside template 23 is used for supporting cornice 20 down, wherein the upper end of inboard template 22 with the concrete design face on cornice 20 top holds level down, the lower extreme of inboard template 22 is pasted tightly find level pipe 21 to be favorable to through inboard template 22 supports cornice 20 down, just the top of cornice 20 is followed the surface of concrete down is equipped with a plurality of support bars 24, support bar 24 with outside template 23 with inboard template 22 all links to each other, through support bar 24 is favorable to guaranteeing inboard template 22 with the stability of outside template 23, because whole device is simple, consequently be favorable to improving the efficiency of construction, to concrete face effort influence minimum during follow-up form removal moreover, for adjacent face restoration creation condition, ensure that sleigh ski racing track is in eaves mouth 20 concrete face sprays, processing one shot forming down.
According to the track structure form and the arrangement condition of the leveling pipes, the inner side template 22 is fixed on the leveling pipes 21 through first self-tapping screws, and the first self-tapping screws are provided with threads and can be fixed on the leveling pipes 21 through screwing, so that the installation and the disassembly are convenient, in the disassembly process, the template can be disassembled before the initial setting of concrete, the damage of the concrete structure caused by external force of the template disassembly is reduced, and the destructive power is minimum; meanwhile, the surface processing of the next procedure is timely carried out after the dismantling, and the one-step forming is convenient. The supporting bars 24 are arranged at equal intervals along the surface of the concrete, so that the connection firmness of the supporting bars 24 with the inner side formwork 22 and the outer side formwork 23 can be ensured. Specifically, one support strip 24 is arranged every 500mm along the surface of the concrete.
Keep away from on the outside template 23 one side of inboard template 22 is equipped with first supporter 25, just outside template 23 with first supporter 25 is close to, through first supporter 25 can support outside template 23, support bar 24 is fixed on the first supporter 25, thereby realizes support bar 24 with the connection of outside template 23, thereby is favorable to guaranteeing the stability of outside template 23. The support bar 24 is fixed through second self tapping screw on the first supporter 25, because second self tapping screw has the screw thread and can fix through the precession on the first supporter 25, not only simple to operate, it is convenient to dismantle moreover, and at the in-process of dismantling, the destructive power is minimum.
The lower cornice formwork erecting device further comprises a second supporting body 26 and a third supporting body 27, wherein the second supporting body 26 is abutted against the upper end of the outer side formwork 23, and the second supporting body 26 is used for supporting the outer side formwork 23 to further ensure the stability of the outer side formwork 23. The third support 27 is adjacent to the inner side form 22, so that the inner side form 22 is located between the third support 27 and the leveling pipe 21, the support bar 24 is fixed on the third support 27, thereby realizing the connection between the support bar 24 and the inner side form 22, and the third support 27 is favorable for ensuring the stability of the inner side form 22, so that the installation device forms a support system. The support bar 24 is fixed on the third support body 27 through a third self-tapping screw, and since the third self-tapping screw has a thread which can be fixed on the third support body 27 through screwing, the mounting and the dismounting are convenient, and the destructive power is minimum in the dismounting process.
Eaves mouth template is propped up and is established device still including setting up the bottom template 28 of eaves mouth 20 bottom down, outside template 23 is fixed on the bottom template 28 to can guarantee the stability of whole device. The inner side template 22 is a wood-rubber plate with the thickness of 12mm and the width of 75 mm; the first self-tapping screw, the second self-tapping screw and the third self-tapping screw are same in size and are all 4-25 mm. In order to ensure that the inner side template 22 is fixed on the leveling tube 21, the range of the leveling tube 21 extending into the inner side template 22 is 25mm-50 mm. The first support 25, the second support 26 and the third support 27 are made of wood strips.
Example two
The embodiment provides a method for erecting a template of a lower cornice of a track, which is implemented by an erecting device of the template of the lower cornice of the track according to the first embodiment, and comprises the following steps: step S1: arranging an inner side template 22, an outer side template 23 and a leveling pipe 21 along a lower cornice 20 of the track, keeping the upper end of the inner side template 22 level with a concrete design surface at the top end of the lower cornice 20, and fixing the lower end of the inner side template 22 on the leveling pipe 21; step S2: and arranging a plurality of supporting strips 24 at the top end of the lower cornice 20 along the surface of the concrete, and enabling the supporting strips 24 to be connected with the outer side template 23 and the inner side template 22.
In the method for erecting a template of a lower cornice of a track according to this embodiment, in step S1, an inner template 22, an outer template 23, and the leveling pipe 21 are arranged along the lower cornice 20 of the track, the upper end of the inner template 22 is leveled with a concrete design surface at the top end of the lower cornice 20, and the lower end of the inner template 22 is fixed to the leveling pipe 21, so that the lower cornice 20 is supported by the inner template 22; in the step S2, a plurality of support bars 24 are arranged at the top end of the lower cornice 20 along the surface of the concrete, and the support bars 24 are fixed on the outer side formwork 23 and the inner side formwork 22, so that the support system is integrated to ensure the stability of the inner side formwork 22 and the outer side formwork 23.
EXAMPLE III
The embodiment provides a method for removing a template of a lower cornice of a track, which is used for removing the template supporting device of the lower cornice of the track, and comprises the following steps: after the concrete is sprayed and the inner side surface of the lower cornice 20 is leveled, the supporting strips 24 and the inner side template 22 are removed simultaneously before the concrete is initially set; continuously removing the leveling pipe 21; finally the outer formwork 23 is removed.
The embodiment provides a method for removing a template of a lower cornice of a track, because the template supporting injection and the template-free supporting injection exist, the layering condition is obvious due to the fact that a plurality of staggered platforms exist on a joint surface, so that the template is required to be removed before initial setting, the joint surface is timely treated, the integral effect is achieved, and specifically, after concrete injection and leveling of the inner side surface of the lower cornice 20 are completed, the supporting strips 24 and the inner side template 22 are removed simultaneously before the concrete is initially set, so that the influence on the concrete is favorably avoided; and then continuously removing the leveling pipe 21, which is not only beneficial to minimizing the influence of external force on the cornice concrete, but also ensures that the integral structure of the cornice concrete is not damaged, and after the leveling pipe 21 is removed, the outer side template 23 is continuously removed after the sprayed concrete of the racetrack reaches the normal form removal strength, thereby being beneficial to ensuring the stability of the concrete in the removal process.
In addition, when demolishing, withdraw from third self tapping screw and second self tapping screw earlier, withdraw from last first self tapping screw to can guarantee will inboard template 22 with support bar 24 is demolishd simultaneously, guarantees to receive external force to influence minimum to cornice concrete. Moreover, the position of the leveling pipe 21 needs to be supplemented with materials after the leveling pipe 21 is removed, so that the integrity of the whole device is guaranteed, specifically, the leveling pipe 21 is filled with spraying materials of the same material to be smooth and compact, and the outer template 23 is removed after the maintenance reaches normal strength.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. The utility model provides a device is established to cornice template under racetrack, wherein cornice is located down the one end of racetrack, its characterized in that: lower eaves mouth template is propped up and is established the device including setting up down eaves mouth internal surface look for flat pipe, inboard template, with the outside template that inboard template is relative, wherein the upper end of inboard template with the concrete design face on lower eaves mouth top is kept flat, the lower extreme of inboard template pastes tightly look for flat pipe, the top of lower eaves mouth is followed the surface of concrete is equipped with a plurality of support bars, just the support bar with the outside template with inboard template all links to each other.
2. The apparatus of claim 1, wherein: the inner side template is fixed on the leveling pipe through a first self-tapping screw.
3. The apparatus of claim 1, wherein: the support bars are arranged at equal intervals along the surface of the concrete.
4. The apparatus of claim 1, wherein: keep away from on the outside template one side of inboard template is equipped with first supporter, just the outside template with first supporter next-door neighbour, the support bar is fixed on the first supporter.
5. The apparatus of claim 4, wherein: the supporting strips are fixed on the first supporting body through second self-tapping screws.
6. The apparatus of claim 1, wherein: the outer side formwork is provided with a first supporting body, and the first supporting body is abutted against the upper end of the outer side formwork.
7. The apparatus of claim 1, wherein: still include the third supporter, the third supporter with the inboard template is adjacent, the support bar is fixed on the third supporter.
8. The apparatus of claim 7, wherein: the support bars are fixed on the third support body through third self-tapping screws.
9. The apparatus of claim 1, wherein: still including setting up the bottom template of eaves mouth bottom down, the outside template is fixed on the template of bottom.
10. A method for erecting a template of a lower cornice of a track, the device for erecting a template of a lower cornice of a track according to any one of claims 1 to 9, comprising the following steps:
step S1: arranging an inner side template, an outer side template and a leveling pipe along a lower cornice of the track, keeping the upper end of the inner side template level with a concrete design surface at the top end of the lower cornice, and fixing the lower end of the inner side template on the leveling pipe;
step S2: the top of eaves mouth is followed a plurality of support bars are laid on the surface of concrete, and are made the support bar with outside template with inside template all links to each other.
11. A method for removing a template of a lower cornice of a track, which is used for removing the device for supporting the template of the lower cornice of the track as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps: after the concrete is sprayed and the inner side surface of the lower cornice is leveled, the supporting strips and the inner side template are removed simultaneously before the concrete is initially set; continuously removing the leveling pipe; and finally, continuously removing the outer template after the sprayed concrete of the track reaches the normal detachable template strength.
12. The method of claim 11, wherein the method comprises: and after the leveling pipe is removed, supplementing materials to the position of the leveling pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810810908.7A CN108952236B (en) | 2018-07-23 | 2018-07-23 | Supporting device, supporting and dismounting method for lower cornice template of track |
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| CN201810810908.7A CN108952236B (en) | 2018-07-23 | 2018-07-23 | Supporting device, supporting and dismounting method for lower cornice template of track |
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| CN108952236A CN108952236A (en) | 2018-12-07 |
| CN108952236B true CN108952236B (en) | 2020-05-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252435B (en) * | 2018-11-01 | 2020-12-15 | 上海宝冶集团有限公司 | Racing track cornice template and erecting method |
| CN110344301A (en) * | 2019-07-24 | 2019-10-18 | 上海宝冶集团有限公司 | The construction method of racing track concrete |
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| CN107740440A (en) * | 2017-10-12 | 2018-02-27 | 潍坊市市政工程股份有限公司 | A kind of pipe gallery aluminum alloy mould plate support system and its construction method |
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|---|---|---|---|---|
| DE1578760A1 (en) * | 1967-12-13 | 1971-06-09 | Ermel Horst | Sliding slope for sports and entertainment purposes |
| US5173004A (en) * | 1991-12-09 | 1992-12-22 | Fahrenkrog William H | Concrete pouring and leveling devices and method of using |
| CN2799743Y (en) * | 2005-06-21 | 2006-07-26 | 杨清晨 | Cast-in-place concrete precise regulator and controller |
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| CN108952236A (en) | 2018-12-07 |
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