CN214394729U - Protection device for prefabricated stand reinforcing bar frame protective layer cushion - Google Patents

Abstract

The utility model provides a protective device for a protective layer cushion block of a prefabricated upright post reinforcement frame, which comprises a prefabricated bottom template, wherein the prefabricated upright post reinforcement frame protective layer cushion block is provided with a first pouring side, the first pouring side is provided with a pouring position, and two opposite first installation positions and two opposite second installation positions are arranged around the pouring position; the two first prefabricated side templates are respectively provided with a second pouring side, one ends of the two first prefabricated side templates are respectively connected to the two first installation positions, and two opposite sides of each first prefabricated side template are respectively provided with a connecting part; the two prefabricated side formworks of the second are respectively provided with a third pouring side, one end of each prefabricated side formwork is connected to the corresponding second mounting position and the corresponding first prefabricated side formwork is connected between the corresponding connecting parts. The utility model provides a template frame that is equipped with prefabricated stand steel reinforcement framework stand up in-process protection layer cushion and suffer the technical problem who destroys, improved the efficiency of construction of prefabricated stand and the protection layer control technological effect of prefabricated stand.

Description

Protection device for prefabricated stand reinforcing bar frame protective layer cushion

Technical Field

The utility model relates to a prefabricated technical field of bridge prefabricated stand particularly, relates to a protector of prefabricated stand reinforcing bar frame protective layer cushion.

Background

With the rapid development of the economy of China, the bridge construction business of China is also rapidly developed. In the bridge construction process, the prefabrication and assembly construction technology can obviously shorten the construction period and reduce the construction road occupying time, and meanwhile, the bridge construction technology has the advantages of high construction quality, low safety risk, environmental protection and the like. Therefore, the prefabrication and assembly construction technology is widely applied to municipal bridge construction.

However, in the actual work progress, when installing prefabricated stand reinforcement framework to prefabricated stand template frame in, do not do any protection to the protective layer cushion and handle, can have following several problems:

1) although a certain distance is kept between the protective layer cushion block and the inner wall of the template frame, the length of the prefabricated upright column steel reinforcement framework is long, and when the prefabricated upright column steel reinforcement framework is horizontally arranged in the template frame, the situations of steel reinforcement bending deformation and the like are easy to occur, so that the protective layer cushion block is in contact with the template frame, and the structure of the template frame is easy to damage;

2) in the turning-over process of the template frame provided with the prefabricated upright post steel reinforcement framework, the prefabricated upright post steel reinforcement framework is easy to shake, so that the protective layer cushion block impacts the inner wall of the template frame to damage the protective layer cushion block.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem prevent to be equipped with the template frame that prefabricated stand steel reinforcement framework from standing up the technological effect that in-process protection layer cushion suffered destruction.

In order to solve the problems, the utility model provides a protective cushion block protection device for a prefabricated upright steel bar frame, which comprises a template frame, wherein a prefabricated upright pouring space with a pouring opening at one end is arranged in the template frame; prefabricated stand reinforcing bar subassembly is located in the space is pour to prefabricated stand, include: prefabricating a column steel reinforcement framework; the protective layer cushion blocks are respectively connected to the outer surface of the prefabricated upright post reinforcement cage in a protruding mode, and the height of the protective layer cushion blocks protruding out of the outer surface is a first height; the plurality of supporting parts are respectively arranged on the outer surface of the prefabricated upright post reinforcement cage in a protruding mode, and the height of the supporting parts protruding out of the outer surface is a second height; wherein the first height is less than the second height.

In this embodiment, the first height is smaller than the second height, so that the plurality of protective layer cushion blocks do not contact the two second pouring sides and the two third pouring sides under the action of the plurality of supporting parts, and further cannot be damaged.

Further, the template frame includes: the prefabricated bottom formwork is provided with a first pouring side, the first pouring side is provided with pouring positions, and two opposite first installation positions and two opposite second installation positions are arranged around the pouring positions; the two first prefabricated side templates are respectively provided with a second pouring side, one ends of the two first prefabricated side templates are respectively connected to the two first installation positions, and two opposite sides of each first prefabricated side template are respectively provided with a connecting part; the two second prefabricated side templates are respectively provided with a third pouring side, and one ends of the two second prefabricated side templates are respectively connected to the two second installation positions and respectively connected between the two connecting parts which are respectively opposite to the two first prefabricated side templates; the first pouring side, the two second pouring sides and the two third pouring sides form the prefabricated stand column pouring space.

In this embodiment, the prefabricated bottom form, the two prefabricated side forms and the two form frames formed by the second prefabricated side form are convenient to assemble and disassemble.

Further, the prefabricated upright post steel reinforcement framework is connected to the first pouring side of the prefabricated bottom formwork; the protective layer cushion blocks are respectively distributed along the length direction of the prefabricated upright post steel reinforcement framework; the supporting parts are respectively arranged on one side of the prefabricated upright steel bar frame, which is far away from the prefabricated bottom formwork.

In this embodiment, the protective layer pads are distributed in such a manner that, when the steel bars of the prefabricated upright steel bar framework extend along the length direction of the steel bars, the steel bars are prevented from deforming and approaching the inner wall of the formwork frame, so as to manufacture a prefabricated upright meeting the requirements; in addition, a plurality of the supporting parts are convenient to pull away.

Furthermore, each side of the prefabricated upright post steel bar component is respectively provided with at least two supporting parts, and a plurality of protective layer cushion blocks on each side are positioned between at least two supporting parts on the corresponding side.

In this embodiment, at least two supporting portions are arranged on one side of the prefabricated column steel reinforcement framework along the length direction of the prefabricated column steel reinforcement framework, and the plurality of protective layer cushion blocks are also arranged on the side along the length direction of the prefabricated column steel reinforcement framework and located between the at least two supporting portions, so that when the steel reinforcement of the prefabricated column steel reinforcement framework deforms, the plurality of protective layer cushion blocks are further protected.

Further, each of the support portions includes: the first supporting piece is movably connected to one side of the prefabricated upright post reinforcement cage; and the second supporting piece is connected with the first supporting piece and is erected at one end, far away from the prefabricated bottom template, of the template frame.

In this embodiment, the first supporting member is movably connected with the prefabricated upright steel reinforcement framework, so that the first supporting member can be conveniently pulled out; in addition, one end of the second supporting piece is erected at one end, provided with an opening, of the prefabricated stand column pouring space, so that when the protective device of the prefabricated stand column reinforcing steel bar frame protective layer cushion block is vertically lifted, the supporting portion slides into the prefabricated stand column pouring space, and then the protection of the protective layer cushion blocks is lost.

Further, each of the first supporting member and the second supporting member is a steel pipe.

In this embodiment, the steel pipe structure can reduce the contact area with the two second casting sides and the two third casting sides, and is easy to pull out.

Adopt the technical scheme of the utility model afterwards, can reach following technological effect:

(1) the pouring method of the prefabricated stand column comprises the steps of coating release agents on the first pouring side, the two second pouring sides and the two third pouring sides, so that the release efficiency of the prefabricated stand column in the pouring space of the prefabricated stand column can be improved;

(2) the protection device of prefabricated stand reinforcing bar frame protection layer cushion can be through a plurality of the second height of supporting part prevents a plurality of protection layer cushion suffers destruction.

Drawings

Fig. 1 is a schematic structural diagram of a protection device 100 for a protection layer mat of a prefabricated steel column reinforcement frame according to an embodiment of the present invention.

Fig. 2 is a connection relationship diagram of the prefabricated column steel bar assembly 20 and the prefabricated bottom formwork 11 in fig. 1.

Fig. 3 is a schematic view illustrating a connection relationship between the prefabricated pillar reinforcement assembly 20, the prefabricated bottom form 11 and the first prefabricated side form 12 in fig. 1.

Fig. 4 is a schematic structural diagram of the first support member 221 of the support portion 22.

Fig. 5 is a schematic view of the contracted structure of the first support member 221 shown in fig. 4.

Fig. 6 is a flowchart of a construction method of a prefabricated column according to the third embodiment of the present invention.

Fig. 7-11 are schematic structural views of the protection device 100 of the prefabricated steel bar frame protection layer mat obtained in step S10 of fig. 6.

Fig. 12 is a schematic structural view of the protection device 100 for the protective layer mat of the vertically-arranged prefabricated steel bar frame obtained in step S20 of fig. 6.

Fig. 13 is a schematic structural view of the protection device 100 for the prefabricated steel bar frame protection layer mat obtained in step S30 of fig. 6.

Description of reference numerals:

100-prefabricating a protection device of a column steel reinforcement frame protection layer cushion block; 10-a template frame; 11-prefabricating a bottom template; 111-first casting side; 12-a first prefabricated sideform; 121-second casting side; 122-a connecting portion; 13-a second prefabricated sideform; 131-a third casting side; 14-a first prefabricated formwork structure; 15-prefabricating a column framework structure; 16-a second prefabricated formwork structure; 20-prefabricating a column steel bar assembly; 21-prefabricating a column reinforcing frame; 22-a support; 221-a first support; 2211-support fixture; 2212-supporting the moving part; 222-a second support; 23-protective layer cushion blocks; 24-lifting lug.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

The first embodiment is as follows:

referring to fig. 1, which is a schematic structural view of a protection device 100 for a prefabricated column steel bar frame protection layer cushion block according to a first embodiment of the present invention, the protection device 100 for a prefabricated column steel bar frame protection layer cushion block includes, for example, a formwork frame 10 and a prefabricated column steel bar assembly 20.

The formwork frame 10 comprises, for example, a prefabricated base formwork 11, two first prefabricated sideforms 12 and two second prefabricated sideforms 13. The prefabricated bottom formwork 11 is provided with a first pouring side 111, the first pouring side 111 is provided with a pouring position, and two symmetrical first installation positions and two symmetrical second installation positions are arranged around the pouring position; each first prefabricated sideform 12 is provided with a second casting side 121 and each second prefabricated sideform 13 is provided with a third casting side 131.

Each first prefabricated side template 12 is correspondingly arranged on each first installation position one by one, so that the two second pouring sides 121 are arranged in a mutually facing manner; each second prefabricated side template 13 is correspondingly arranged on each second installation position one by one, and two third pouring sides 131 of the second prefabricated side templates are arranged in a mutually facing mode, so that a prefabricated column pouring space surrounded by the prefabricated bottom template 11, the two first prefabricated side templates 12 and the two second prefabricated side templates 13 is formed. And a pouring opening is formed in one end, far away from the prefabricated bottom formwork 11, of the prefabricated stand column pouring space.

Further, each of the first prefabrication side mould plates 12 comprises a connecting portion 122, and each connecting portion 122 is connected with the corresponding side of the second prefabrication side mould plate 13 adjacent to the connecting portion 122.

Referring to fig. 2-3, prefabricated stud rebar assemblies 20 are attached to a first casting side 111 of prefabricated bottom form 11. The prefabricated column rebar assembly 20 includes, for example, a prefabricated column rebar skeleton 21, a plurality of support portions 22, and a plurality of protective covering blocks 23. The protective layer cushion blocks 23 are respectively circumferentially clamped on the outer surface of the prefabricated upright post reinforcement cage 21 and distributed along the length direction of the prefabricated upright post reinforcement cage 21; the plurality of supporting parts 22 are respectively and movably connected to the outer surface of the prefabricated upright post steel reinforcement framework 21 in the circumferential direction, and the plurality of supporting parts 22 positioned on each side surface of the prefabricated upright post steel reinforcement framework 21 are respectively arranged along the length direction of the prefabricated upright post steel reinforcement framework.

Further, a plurality of supporting portions 22 and a plurality of protective layer spacers 23 are provided at a side of the prefabricated pillar reinforcement assembly 20 adjacent to the first prefabricated side form 12. Wherein, the height that a plurality of protective layer cushion blocks 23 start to extend outwards from being connected to the outer surface of the prefabricated upright post steel reinforcement framework 21, namely the height protruding out of the outer surface is a first height; similarly, the plurality of support portions 22 extend outward from the outer surface connected to the prefabricated column steel reinforcement cage 21 to a second height, i.e., a height protruding from the outer surface.

Preferably, in contrast, the matching relationship between the prefabricated pillar reinforcement assembly 20 and the other first prefabricated side formwork 12 and the two second prefabricated side formworks 13 is the same as that described above, and the detailed description thereof is omitted.

For example, when the prefabricated column steel bar assembly 20 is installed in the formwork frame 10 or the formwork frame 10 provided with the prefabricated column steel bar assembly 20 is moved, since the second height is greater than the first height, that is, the plurality of supporting parts 22 positioned on the same side of the prefabricated column steel bar framework 21 are closer to the inner wall opposite to the formwork frame 10 than the plurality of protective layer cushion blocks 23, when the steel bar of the prefabricated column steel bar framework 21 is deformed, the plurality of supporting parts 22 contact the inner wall of the prefabricated column steel bar framework before the plurality of protective layer cushion blocks 23, and further the plurality of protective layer cushion blocks 23 are prevented from being damaged.

Preferably, a plurality of protective covering blocks 23 on each side of the prefabricated column steel reinforcement cage 21 are respectively located between at least two support portions 22 on the side.

Preferably, each support portion 22 includes, for example, a first support 221 and a second support 222. The first supporting piece 221 is movably connected to the outer surface of the prefabricated upright steel reinforcement framework 21, the second supporting piece 222 is connected to the outer surface of the first supporting piece 221, and one end of the second supporting piece is erected at one end of the prefabricated upright steel reinforcement framework, which is provided with a pouring opening, in the pouring space.

Preferably, each of the first support 221 and the second support 222 is a steel pipe structure. For example, before installing the prefabricated stud steel bar assembly 20 on the formwork frame 10, a release agent is applied to the first casting side 111, the two second casting sides 121 and the two third casting sides 131 of the formwork frame 10, and since the first support member 221 and the second support member 222 are respectively of steel pipe structures, they are in line contact with each other, so that the influence on the surface applied with the release agent is minimized.

Preferably, the second supporting member 222 is a plurality of hanging rings (not shown) disposed on the first supporting member 221. For example, a rope can be connected to the plurality of lifting rings, and the rope can be locked to prevent the rope from falling into the prefabricated upright column pouring space, so that the protection of the plurality of protection layer cushion blocks 23 is lost; when the first supporting members 221 need to be separated, the ropes connected with the lifting rings can be moved to separate the lifting rings.

Preferably, the prefabricated stud rebar assembly 20 includes, for example, at least one pair of lifting lugs 24. At least a pair of lug 24 is pre-buried in prefabricated stand steel reinforcement framework 21, treats that the prefabricated stand is accomplished the back, lifts by crane equipment and can cooperate and connect lug 24 in order to lift by crane prefabricated stand and remove to the target place.

Example two:

referring to fig. 4-5, another structural schematic view of the support portion 22 is shown. First support member 221 includes, for example, a stationary support member 2211 and a movable support member 2212. The supporting and fixing member 2211 has an accommodating space, one end of the accommodating space is open to accommodate the supporting and moving member 2212, and the supporting and moving member 2212 is a multi-section rod member capable of extending or contracting. Support mover 2212 can be retracted into support fixture 2211. For example, the supporting moving member 2212 is a multi-section bar member capable of extending or contracting, and when the supporting portion 22 is disposed in the formwork frame 10, the length of the supporting moving member 2212 can be adjusted according to different lengths of the prefabricated column steel reinforcement framework 21, so as to protect a plurality of protective layer cushion blocks 23.

Example three:

referring to fig. 6, it is a schematic flow chart of a construction method of a prefabricated column according to a third embodiment of the present invention, where the construction method includes:

step S10: assembling a protector 100 of a prefabricated column steel reinforcement protective layer mat as described in any one of the above;

step S20: lifting the protective device 100 of the prefabricated column steel bar frame protective layer cushion block, and enabling the pouring opening to face upwards;

step S30: taking out the plurality of supporting parts 22 in the protective device 100 for the protective layer cushion block of the prefabricated vertical column steel bar frame;

step S40: and pouring the prefabricated stand column to the protective device of the protective layer cushion block of the prefabricated stand column reinforcing steel bar frame to obtain the prefabricated stand column.

The step S10 specifically includes:

step S11, respectively polishing the first pouring side 111 of the prefabricated bottom template 11, the second pouring sides 121 of the two first prefabricated side templates 12 and the third pouring sides 131 of the two second prefabricated side templates 13, and coating a release agent;

step S12, horizontally arranging one of the first prefabricated side templates 12 on a fixed frame of the prefabricated yard, and arranging the second casting side 121 far away from the fixed frame.

Step S13, hoisting the two second prefabricated side templates 13 vertically along the length direction of the first prefabricated side template 12 to the two sides of the first prefabricated side template 12 where the connecting portions 122 are respectively arranged, and arranging the third pouring sides 131 of the two second prefabricated side templates 13 opposite to the first pouring side 111 to obtain the first prefabricated template structure 14.

Step S14, connecting the prefabricated pillar reinforcement assembly 20 to the first casting side 111 of the prefabricated bottom form 11, so as to obtain the prefabricated pillar framework structure 15.

Step S15, the prefabricated pillar skeleton structure 15 is placed in the first prefabricated formwork structure 14, and the second prefabricated formwork structure 16 is obtained.

Step S16, cover another first prefabricated form on the second prefabricated form structure 16, and obtain the protection device 100 with one end being the prefabricated column steel bar frame protection layer cushion block with the pouring opening.

Specifically, in step S11, the processing process before the first casting side 11, the two second casting sides 121, and the two third casting sides 131 are assembled may be performed in a prefabricated site, so as to shorten the transportation process of the prefabricated site, and reduce the influence of external impurities on the transportation process. After the processing is completed, the process proceeds to step S12.

Referring to fig. 7, one first prefabricated sideform 12 of the two first prefabricated sideforms 12 is horizontally hoisted to the fixed frame of the prefabrication yard by a crane, so that the second casting side 121 of the first prefabricated sideform is placed away from one side of the fixed frame, and the process goes to step S13.

Referring to fig. 8, the crane is used to lift one second prefabricated side mold 13 of the two second prefabricated side molds 13, move the second prefabricated side mold to a position above the first prefabricated side mold 12 horizontally installed on the fixing frame in the vertical direction, adjust the second prefabricated side mold to enable the third pouring side 131 of the second prefabricated side mold to be perpendicular to the first pouring side 111, adjust the angle of the second prefabricated side mold to enable the second prefabricated side mold to be aligned with the side of the first prefabricated side mold provided with the connecting portion 122, finally enable the crane to slowly place the second prefabricated side mold until the second prefabricated side mold is completely matched with the corresponding connecting portion 122, and connect the second prefabricated side mold with a plurality of fasteners, and the other second prefabricated side mold 13 is the same operation process, and the description is omitted here. After the connection is completed, the first prefabricated formwork structure 14 is obtained, and the process goes to step S14.

Referring to fig. 9, one end of the prefabricated column steel bar assembly 20 provided with the plurality of sleeves is connected to the first pouring side 111 of the prefabricated bottom formwork 11, then the plurality of protective layer cushion blocks 23 are respectively and circumferentially clamped on the outer surface of the prefabricated column steel bar framework 21 and are arranged along the length direction of the prefabricated column steel bar framework 21, so as to obtain the prefabricated column steel bar framework structure 15, and the step S15 is executed.

Referring to fig. 10, the step S15 specifically includes: tensioning ropes are respectively arranged on two sides, far away from the first prefabricated side template, of the two second prefabricated side templates 13, and are adjusted, so that the first prefabricated template structure is stabilized; hoisting the prefabricated upright post framework structure 15 into the first prefabricated formwork structure 14 by using the crane, so that two opposite second installation positions of the prefabricated upright post framework structure are matched and connected with two opposite second prefabricated side formworks 13, and the first prefabricated side formwork is connected with one first installation position below the two opposite first installation positions; and adjusting the plurality of supporting parts 22 on the prefabricated upright steel bar assemblies 21 to be positioned on one side of the prefabricated upright steel bar framework 21 away from the prefabricated bottom formwork 11 to obtain a second prefabricated formwork structure 16, and turning to the step S16.

Referring to fig. 11, the crane is made to lift the other first prefabricated side form 12 to the upper side of the second prefabricated form structure 16 with the second pouring side 121 facing downward, and adjust the position of the other first prefabricated side form, so that the two sides of the other first prefabricated side form, which are respectively provided with the connecting portions 122, are respectively matched and connected with each second prefabricated side form 13 and then with the other first installation position, so as to obtain the protection device 100 with the prefabricated steel bar frame protection layer cushion block with the pouring opening at one end, and the operation goes to the step S20.

Referring to fig. 12, preferably, a buffer member (not shown) is disposed at a side close to the prefabricated bottom form 11, and a plurality of lifting lugs 24 are disposed at the pouring opening end, so that the crane can lift the protective device 17 of the prefabricated steel bar frame protective layer cushion block through the lifting lugs 24, during the lifting process, the protective device 17 of the prefabricated steel bar frame protective layer cushion block is turned over from a horizontal state, and finally the prefabricated bottom form 11 is placed on the buffer member, so as to protect the bottom of the prefabricated bottom form 11 from being damaged, at which time the pouring opening is upward, and the process goes to the step S30.

Referring to fig. 13, the protection device 100 for prefabricating the protective layer cushion blocks of the vertical column steel reinforcement frames is lifted to a target site, the prefabricated bottom formworks 11 are arranged on the prefabricated pedestals on the target site, the vertical angles of the protection device 100 for prefabricating the protective layer cushion blocks of the vertical column steel reinforcement frames are adjusted until the protection device reaches the required positions, and the protection device is connected with the prefabricated pedestals; then, the plurality of supporting portions 22 are pulled away from the prefabricated column steel reinforcement framework 21, and the process goes to step S40.

Building a construction platform around the pouring opening, extending a concrete pouring string barrel into the construction platform, and keeping the concrete pouring string barrel and a pouring surface for 1.2-2 m; and in the process of pouring concrete into the string barrel, vibrating the concrete by using a vibrating rod to enable the concrete to completely fill the pouring space of the prefabricated stand column, stopping pouring until the pouring surface meets the target requirement, obtaining the prefabricated stand column at the moment, and finishing pouring.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (6)

1. The utility model provides a protector of prefabricated stand reinforcing bar frame protective layer cushion which characterized in that includes:

a prefabricated upright column pouring space with one end being a pouring opening is arranged in the template frame;

prefabricated stand reinforcing bar subassembly is located in the space is pour to prefabricated stand, include:

prefabricating a column steel reinforcement framework;

the protective layer cushion blocks are respectively connected to the outer surface of the prefabricated upright post reinforcement cage in a protruding mode, and the height of the protective layer cushion blocks protruding out of the outer surface is a first height;

the plurality of supporting parts are respectively arranged on the outer surface of the prefabricated upright post reinforcement cage in a protruding mode, and the height of the supporting parts protruding out of the outer surface is a second height;

the protection layer cushion blocks are arranged on the same side of the prefabricated upright post steel reinforcement framework and are arranged along the length direction of the prefabricated upright post steel reinforcement framework, and the first height is smaller than the second height.

2. The apparatus of claim 1, wherein the formwork frame comprises:

the prefabricated bottom formwork is provided with a first pouring side, the first pouring side is provided with pouring positions, and two opposite first installation positions and two opposite second installation positions are arranged around the pouring positions;

the two first prefabricated side templates are respectively provided with a second pouring side, one ends of the two first prefabricated side templates are respectively connected to the two first installation positions, and two opposite sides of each first prefabricated side template are respectively provided with a connecting part;

the two second prefabricated side templates are respectively provided with a third pouring side, and one ends of the two second prefabricated side templates are respectively connected to the two second installation positions and respectively connected between the two connecting parts which are respectively opposite to the two first prefabricated side templates;

the first pouring side, the two second pouring sides and the two third pouring sides form the prefabricated stand column pouring space.

3. The apparatus of claim 2, wherein the prefabricated column steel reinforcement cage is connected to the first casting side of the prefabricated base form; the protective layer cushion blocks are respectively distributed along the length direction of the prefabricated upright post steel reinforcement framework; the supporting parts are respectively arranged on one side of the prefabricated upright steel bar frame, which is far away from the prefabricated bottom formwork.

4. The apparatus of claim 1, wherein at least two of the support portions are provided on each side of the prefabricated column rebar assembly, and a plurality of the cap blocks on each side are located between at least two of the support portions on the respective side.

5. The apparatus of claim 2, wherein each of the support portions comprises:

the first supporting piece is movably connected to one side of the prefabricated upright post reinforcement cage;

and the second supporting piece is connected with the first supporting piece and is erected at one end, far away from the prefabricated bottom template, of the template frame.

6. The apparatus of claim 5, wherein each of the first and second supports is a steel pipe.

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