JP2017160779A - Manufacturing method of door and door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing method of a door of heavy weight and the door in a structure endurable against impact by a flying-coming object from an external part by a tornado, a typhoon or an air blast, and excellent even in an anti-terrorism act and radiation shield performance, in the door openably-closably provided in a skeleton opening of a structure.SOLUTION: A manufacturing method is composed of a process of manufacturing hollow box-shaped bodies 3A and 3B for installing outer shell plates 9B, 9C and 9D around frames 8A and 8B of a steel material, a process of carrying the box-shaped body to an installation site, a process of arranging a bar by binding a crossing part of respective reinforcements by inserting a U-shaped reinforcement into both end parts and upper-lower end parts, by inserting a horizontal reinforcement 10B from the side via an introduction hole provided on a side surface of the box-shaped body, by inserting a vertical reinforcement 10A from above via an insertion part provided on an upper surface of the box-shaped body in an opening state of removing the outer shell plate of a surface or a reverse surface and an upper surface of the box-shaped body, a process of placing concrete by installing the outer shell plate in an opening part of the surface or the reverse surface of the box-shaped body and a finishing process of installing ancillary equipment of the door by installing the outer shell plate on an upper surface of the box-shaped body.SELECTED DRAWING: Figure 15

Description

  The present invention relates to a door manufacturing method and a door, and more particularly, provided in a housing opening of a structure, and a tornado, a typhoon, a flying object such as a blast, or an impact force of a flying object such as an airplane, and further a wave pressure / The present invention relates to a door manufacturing method and a door that can withstand water pressure and seismic force, and are excellent in terrorism resistance and radiation shielding.

  In recent years, there has been an increasing demand for doors that can withstand the impact force of flying objects such as tornados, typhoons, or blasts, or flying objects such as airplanes, as well as wave pressure, water pressure, and seismic force caused by tsunamis. Yes. Furthermore, there is a demand not only for natural disasters but also for doors with excellent terrorism resistance and radiation shielding. Usually, this type of protective door is very heavy in order to increase the impact strength and is also called a heavy door. There are two types of installation of the protective door for the chassis opening: a pivoting system that opens and closes in a cantilevered manner with a hinge, and a horizontal pulling system that slides in and out in a direction parallel to the chassis opening. The housing opening is opened by rotating and moving outward, and the lateral pulling type slides and displaces inside the structure to open the housing opening.

  As such a protective door, Patent Document 1 and Patent Document 2 describe a structure in which a filler such as concrete is filled together with reinforcing bars inside a door frame formed in a box shape by an iron plate or other metal thick plate. Has been. Further, in Patent Document 1, since the weight of the protective door becomes very heavy, for convenience of transportation and assembly, the door body is preliminarily formed by dividing it into several block bodies. It is also described as being assembled as a door at the installation site.

  Patent Document 3 also describes a protective door in which a hollow outer shell plate is filled with a filler presumed to be concrete. A composite structure composed of a metal outer shell plate such as a steel plate and a reinforced concrete structure inside thereof is also well known as a caisson or bridge pier structure.

  By the way, the housing opening of the building storing the emergency power supply vehicle arranged in the nuclear power generation facility is set to be very wide, for example, 6 m wide and 4 m high so that the vehicle can enter and exit smoothly, and is used there. The protective door has a slightly larger vertical and horizontal dimension than the housing opening, and the thickness is set to 50 cm so that it can withstand the impact of flying objects caused by a tornado, typhoon, or blast. Since the approximate weight of the protective door as a whole is as large as 46 tons, even if it is divided into several block bodies and manufactured in advance in the factory, it is not easy to transport and assemble. Also, there is a total weight restriction for special vehicles on the road, and it cannot exceed 20 tons on a general road.

Japanese Patent No. 2557576 Japanese Patent No. 3387841 Japanese Patent Publication No. 3-4712

  Therefore, in view of the above-described situation, the present invention intends to solve the impact of a flying object such as a flying object such as a tornado, a typhoon, or an external blast caused by a tornado, a typhoon, or a blast. The object is to provide a heavy door manufacturing method and a door that can withstand force, wave pressure, water pressure, and seismic force caused by tsunami, etc., and has a structure excellent in terrorism resistance and radiation shielding properties.

  In order to solve the above-described problems, the present invention provides a door manufacturing method and a door configured as follows.

(1)
A method of manufacturing a door having impact resistance provided to be openable and closable at a housing opening of a structure,
Producing a hollow box-shaped body with an outer shell plate around a steel frame;
Transporting the box-shaped body to the installation site of the door;
With the front or back surface of the box-shaped body and the outer shell plate on the upper surface removed, the vertical reinforcing bars are inserted from above through the insertion portion provided on the upper surface of the box-shaped body and provided on the side surface of the box-shaped body. The horizontal rebar is inserted from the side through the introduced hole, and the U-shaped rebar is inserted into the both ends and the upper and lower ends from the open part, and the U-rebar, the vertical rebar and the horizontal rebar are bound together. A process of binding and arranging the intersection of the bar and the horizontal rebar,
After attaching the outer shell plate to the open part of the front surface or the back surface of the box-shaped body, placing the concrete from the open part of the upper surface,
Attaching the outer shell plate to the open part of the upper surface of the box-shaped body, and a finishing process for attaching the incidental equipment of the door,
The manufacturing method of the door characterized by comprising.

(2)
A method of manufacturing a door having impact resistance provided to be openable and closable at a housing opening of a structure,
It has a hollow box structure with outer shell plates attached around the steel frame. The outermost shell plate on the widest surface or rear surface and the outer shell plate on the upper surface can be retrofitted or attached, and vertical and horizontal reinforcing bars are attached to the steel material. A hollow box-shaped body in which a supporting portion to be housed is formed, an insertion portion into which a vertical reinforcing bar can be inserted at least at the upper end steel material, and an introduction hole into which a horizontal reinforcing bar can be inserted into an outer shell plate on one side surface is formed. A manufacturing process;
Transporting the box-shaped body to the installation site of the door;
With the front or back surface and upper surface of the box-shaped body open, a vertical reinforcing bar is inserted into the insertion part from above and accommodated in the support part formed in the steel material, and a horizontal reinforcing bar is laterally introduced from the introduction hole. And inserted into the support portion formed in the steel material, and appropriately insert U-shaped reinforcing bars from the open portions at both ends and upper and lower ends, and bind the U-shaped reinforcing bars to the vertical and horizontal reinforcing bars as appropriate. , The process of binding and arranging the intersection of the vertical and horizontal reinforcing bars,
Attaching the outer shell plate to the open portion of the front surface or the back surface of the box-shaped body, closing the introduction hole, and then placing concrete from the open portion of the upper surface;
Attaching the outer shell plate to the open part of the upper surface of the box-shaped body, and a finishing process for attaching the incidental equipment of the door,
The manufacturing method of the door characterized by comprising.

(3)
(1) or (2) including an assembly step in which the box-shaped body is formed of a divided box-shaped body divided into a plurality of parts, and the divided box-shaped body is connected to an installation site after being connected and assembled into an integral box-shaped body. Door manufacturing method.

(4)
Among the steel materials constituting the box-shaped body, the steel portion located on the outer peripheral portion is formed with the insertion portion, and the steel material located on the inside is formed with a notch portion or a support hole as the support portion. The door manufacturing method according to claim 2, wherein the insertion portion communicates with the introduction hole.

(5)
The support part that supports the U-shaped reinforcing bar is formed with a notch, and the other steel material is formed with a support hole that supports the vertical reinforcing bar and the horizontal reinforcing bar through the reinforcing bar. Manufacturing method for doors.

(6)
(1)-(5) The door manufactured by the door manufacturing method of any one.

  The manufacturing method of the door of the present invention as described above is to manufacture a box-shaped body with precision in a factory, transport it to an installation site in an easy state, and place concrete at the installation site to place concrete. The transportation cost can be greatly reduced, and a super-heavyweight door that is difficult to transport in a finished product can be manufactured. In addition, a support part for reinforcing bars is formed in the internal steel material constituting the box-shaped body in advance, an insertion part into which a vertical reinforcing bar can be inserted is formed from above, and an introduction hole into which a horizontal reinforcing bar can be inserted from the side Therefore, the bar arrangement work can be performed very easily and accurately. Further, if a support hole is formed as a support portion, the vertical and horizontal rebars can be fixedly supported in a penetrating state, and it is not always necessary to bind the intersecting portion with a wire, and a notch portion is used as a support portion. If formed, the overlapping part of the U-shaped reinforcing bar, the vertical reinforcing bar, and the horizontal reinforcing bar that are appropriately arranged can be bound by a wire and accommodated in the notch and supported.

  Further, the door manufactured according to the present invention is very strong and heavy, so that the impact force of a flying object such as a tornado or typhoon, or a flying object such as a blast, or a wave pressure / water pressure due to a tsunami, It will be able to withstand seismic forces, and it will have not only natural disasters but also terror resistance and radiation protection.

It is the front view which showed the relationship between the protective door which concerns on this invention, and the housing opening of a building, and was seen from the inside of a building. Similarly, it is a cross-sectional plan view. It is a longitudinal side view similarly. It is the front view which looked at the protective door provided with the drive mechanism from the inside of a building. It is a perspective view of a lower frame. It is the expansion partial perspective view of a lower frame similarly. It is a perspective view of the frame which connected the lower frame and the upper frame. It is the expansion partial perspective view of a frame similarly. It is an expansion partial perspective view of the state where the vertical reinforcing bar was arranged in the frame. It is an expansion partial perspective view of the state where the horizontal reinforcing bar was arranged in the frame. It is an expansion partial perspective view of the state where the horizontal U character reinforcement was arranged in the frame. It is an expansion partial perspective view of the state where the lower U character reinforcement was arranged in the frame. It is an expansion partial perspective view of the state where the upper U-shaped reinforcing bar was arranged in the frame. It is an expansion partial perspective view of the state where the horizontal reinforcing bar was arranged in the frame. It is the whole perspective view of the state where double bars were arranged in the frame. It is the whole perspective view of the state where double bars were arranged in the frame in other embodiments. It is a perspective view of the protective door main body before concrete placement with the outer shell plate attached. It is a perspective view of the protective door main body after concrete placement.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. 1 to 3 show a peripheral structure of a protective door as an example of a door according to the present invention and a building opening of a building as an example of a structure. In FIG. A door, 4 is a running rail, 5 is a guide rail, 6 is a wheel, and 7 is a guide roller.

  A typical example of the structure according to the present invention is a building, but the present invention can also be applied to a structure provided with an opening such as a tsunami, a storm surge breakwater, a tide embankment, or an important facility ridge. Moreover, if the door which opens and closes the housing opening of a structure is also a large door, this invention can be employ | adopted. In the following embodiments, a protective door provided at a building opening of a building will be described as an example.

  The building 1 according to the present invention stores, for example, an emergency power supply vehicle arranged in a nuclear power generation facility, and high safety is ensured. The housing opening 2 of the building 1 is set to be very wide, for example, a width of 6 m and a height of 4 m so that the above-mentioned large special vehicle can enter and exit smoothly. The size of the protective door 3 that can fully close the housing opening 2 is set to be slightly larger than that of the housing opening 2, and the thickness is set to 50 cm so that it can withstand the impact of a tornado, a typhoon, or a blast. Has been. In the present embodiment, the protective door 3 is a horizontal pulling-type unit, but it may be a pivoting type that is divided into left and right sides and opens in a double-tone manner.

  Here, along the inside of the housing opening 2, two traveling rails 4, 4 are laid on the sill portion of the floor F so as not to protrude upward, and the moss portion has a predetermined interval in the depth direction. The two guide rails 5 and 5 are fixed. And a drive part is provided in the both sides of the said protective door 3, and a pair of wheels 6 and 6 are provided in the lower end of this drive part, respectively, and it rolls on the said travel rails 4 and 4. FIG. Further, a plurality of guide rollers 7,... Having a vertical rotation shaft are provided at the upper end of the main body of the protective door 3, and the guide roller 7 is rolled between the guide rails 5, 5, so that the protective door 3 is in an out-of-plane direction. Is not displaced. In this embodiment, both end portions are guide rollers 7 and 7, and an intermediate portion is a guide block 7A.

  As shown in FIG. 1, FIG. 2 and FIG. 3, the protective door 3 is made of a stainless steel plate on a frame 8 formed by welding a steel material such as an angle material, a U-shaped cross-section material, or a cross-sectional square shape material in a lattice shape. The outer shell plate 9 is fixed to form a rectangular parallelepiped box-shaped body, in which the reinforcing bars 10 are provided in a double bar structure, and concrete is cast and hardened. The approximate weight is 46 tons. In addition, the shape of the box-shaped body of the intermediate product is determined according to the final form of the protective door 3, and is not necessarily a rectangular parallelepiped shape. And the electric drive part 11 is provided in the side surface lower part of the door butt side of the said protective door 3, and the drive wheels 6A and 6A are provided in the lower end of this electric drive part 11. FIG. On the other hand, a driven drive unit 12 is provided at the lower side of the protective door 3 on the door end side, and driven wheels 6B and 6B are provided at the lower end of the driven drive unit 12.

  Normally, the protective door 3 is opened and closed by operating a control panel 13 in the building 1 and using an electric motor provided in the electric drive unit 11 as power. However, it must be assumed that a power failure occurs in an emergency, and in that case, the protective door 3 can be opened manually. In the present invention, the protective door 3 may be a horizontal pulling type or a rotating type, but has a very high impact resistance and a very heavy structure. In some cases, it also serves as a radiation shield.

  First, as shown in FIG. 3, a box-shaped pit 14 opened upward is embedded in the sill portion of the floor surface F, and the traveling rails 4 and 4 are parallel to each other at a predetermined interval in the pit 14. It is laid. The pit 14 includes a bottom plate 15 and a side plate 16. On the other hand, brackets 18,... Are attached to the cross beam 17 at predetermined intervals in the duck part of the building 1, and the guide rails 5, 5 are fixed to the lower surfaces of the brackets 18,. doing. The guide rollers 7,... Provided at the upper end of the protective door 3 are positioned between the two guide rails 5, 5, and along the traveling rails 4, 4 in a state where displacement in the out-of-plane direction is restricted. Thus, the drive wheels 6A and 6A and the driven wheels 6B and 6B roll to support the protective door 3 so that it can be opened and closed laterally.

  The manufacturing method of the protective door of this invention is shown below. For convenience, the surface corresponding to the outside of the building 1 is referred to as the front surface, and the surface corresponding to the inside (indoor side) is referred to as the back surface. First, as shown in FIGS. 5 to 8, the lower frame 8 </ b> A and the upper frame 8 </ b> B are manufactured using a steel material 19 mainly made of an angle material at a manufacturing factory. The lower frame 8A and the upper frame 8B may have the same structure. Then, the front outer shell plate 9A, the rear outer shell plate 9B, the side outer shell plate 9C, and the lower outer shell plate 9D are attached to the lower frame 8A. Here, it is preferable that the surface outer shell plate 9A can be retrofitted or attached to the lower frame 8A, and the others are welded and firmly fixed. On the other hand, the upper outer shell plate 9A, the rear outer shell plate 9B, the side outer shell plate 9C, and the upper outer shell plate 9E are attached to the upper frame 8B. Here, it is preferable that the surface outer shell plate 9A and the upper surface outer shell plate 9E can be retrofitted or attached to and detached from the upper frame 8B, and others are firmly fixed by welding. For the sake of convenience, a lower box-type body 3A is defined by fixing a predetermined outer shell plate 9 to the lower frame 8A, and a door lower body 3B is defined by fixing the predetermined outer shell plate 9 to the upper frame 8B. Instead of the front outer shell plate 9A, the rear outer shell plate 9B may be retrofitted or detachable.

  Specifically, the lower frame 8A and the upper frame 8B are connected in a lattice shape by a plurality of vertical steel members 19A,... And a horizontal steel material 19B,. In this way, a plurality of horizontal steel materials 19C,... In addition, the horizontal steel material 19C is not provided between the horizontal steel materials 19B and 19B at the upper and lower ends in consideration of the bar arrangement workability. Each steel material 19 is connected by welding at the intersection.

  A reinforcing bar 10 is provided in a double bar structure inside the lower frame 8A and the upper frame 8B. The reinforcing bars 10 are vertical reinforcing bars 10A, horizontal reinforcing bars 10B, horizontal U-shaped reinforcing bars 10C, lower U-shaped reinforcing bars 10D, upper U-shaped reinforcing bars 10E, and horizontal reinforcing bars 10F. The horizontal reinforcing bars 10F are also called width stop bars. The vertical steel members 19A,... And the horizontal steel members 19B,... In which the reinforcing bars 10 are arranged are provided with notches 20,. The depth of the notch 20 is determined in consideration of the concrete covering thickness. Further, a support hole may be used instead of the notch 20, but it takes some time for the bar arrangement work.

  Further, at least the horizontal steel material 19B at the upper end of the lower frame 8A and the horizontal steel materials 19B and 19B at the upper and lower ends of the upper frame 8B are formed in the intermediate horizontal steel material 19B so that the vertical reinforcing bar 10A can be inserted from above. .. Are formed corresponding to the positions of the notches 20... Here, the said insertion part 21 is comprised by a through-hole or a notch part. Further, the side outer shell plate 9C is provided with introduction holes 22,... Corresponding to the positions of the notches 20,... Formed in the longitudinal steel members 19A,. Forming. In addition, the back outer shell plates 9B and 9B of the lower frame 8A and the upper frame 8B may be provided with introduction holes for inserting the horizontal reinforcing bars 10F, and may be used as a guideline for positions where the horizontal reinforcing bars 10F are provided. Since the bar arrangement work is performed with the surface outer shell plate 9A removed, the introduction hole is not necessarily required. In this embodiment, since the lower frame 8A and the upper frame 8B have the same structure, the insertion portion 21 is also formed in the horizontal steel material 19B at the lower end of the lower frame 8A. Is closed when the lower shell plate 9D is attached, so that it does not need to be closed when placing concrete.

  Then, the lower box mold body 3A and the upper box mold body 3B are transported to the installation site, the upper box mold body 3B is placed on the lower box mold body 3A, and the lower frame 8A and the upper frame 8B are welded. To complete the frame 8 (see FIGS. 7 and 8). However, the outer shell plates 9A and 9A are not attached to the lower frame 8A and the upper frame 8B, and the upper shell plate 9E of the upper frame 8B is not attached and the front is opened. You can insert your hand and work.

  Next, as shown in FIG. 9, the straight vertical reinforcing bars 10 </ b> A are inserted from above into each insertion portion 21 formed in the horizontal steel material 19 </ b> B at the upper end of the upper frame 8 </ b> B, and the corresponding horizontal steel material 19 </ b> B is inserted. Housed in the notch 20. At this time, the insertion portion 21 formed in the horizontal steel material 19B at the lower end of the upper frame 8B and the insertion portion 21 formed in the horizontal steel material 19B at the upper end of the lower frame 8A serve as a support portion for the reinforcing bar 10, and the vertical reinforcing bar 10A is simultaneously used. Insert and support. Thereby, the vertical reinforcing bar 10 </ b> A is self-supported in a state where it is positioned by the insertion portion 21 and the notch portion 20. It is assumed that the building 1 in which the protective door 3 is installed has a very high ceiling height that is at least twice the height of the protective door 3. In addition, after inserting 10 A of vertical reinforcing bars from the said insertion part 21, you may support the edge part of 10 A of this vertical reinforcing bar with the insertion part 21. FIG.

  Next, as shown in FIG. 10, the horizontal reinforcing bars 10B that are linear from the side are inserted into the respective introduction holes 22 of one side outer shell plate 9C of the lower box-type body 3A and the upper box-type body 3B. Then, it accommodates in the notch part 20 formed in the corresponding said vertical steel material 19A, and binds the part which cross | intersects the said vertical rebar 10A with a number wire. In this case, the horizontal reinforcing bar 10B may be inserted from the side where a sufficient space can be secured on the side. In addition, after inserting the horizontal rebar 10B from the introduction hole 22, the end of the horizontal rebar 10B may be supported by the notch 20 provided in the introduction hole 22 or the vertical steel member 19A at the side end.

  Next, as shown in FIG. 11, at the positions of both side ends, the horizontal U-bars 10C are inserted from the front so as to connect the ends of the horizontal reinforcing bars 10B, 10B corresponding to the front and back, and the horizontal reinforcing bars 10B. The overlapping portion is bound by a wire, and this overlapping portion is accommodated in and supported by the cutout portion 20. Similarly, as shown in FIG. 12, at the position of the lower end, the lower U-shaped reinforcing bar 10D is inserted from the front so as to connect the ends of the vertical reinforcing bars 10A, 10A corresponding to the front and back, and the vertical reinforcing bar 10A. The overlapping portions are bound together by a number line, and the overlapping portions are accommodated in and supported by the notches 20. Furthermore, as shown in FIG. 13, the upper U-shaped reinforcing bar 10E is inserted from the front so as to connect the ends of the vertical reinforcing bars 10A, 10A corresponding to the front and back at the position of the upper end, and the vertical reinforcing bar 10A The overlapping portion is bundled with a wire, and this overlapping portion is accommodated in and supported by the cutout portion 20. Then, as shown in FIG. 14, the horizontal reinforcing bars 10F are inserted into the interior, crossed with the vertical reinforcing bars 10A, 10A or the horizontal reinforcing bars 10B, 10B on both sides of the front and back, and bound by a wire. The arrangement order of the vertical reinforcing bars 10A and the horizontal reinforcing bars 10B may be reversed, and the arrangement order of the horizontal U-shaped reinforcing bars 10C, the lower U-shaped reinforcing bars 10D, and the upper U-shaped reinforcing bars 10E is not limited. When all the bar arrangement work is completed, the state shown in FIG. 15 is obtained.

  As another embodiment, what is shown in FIG. 16 is a vertical steel member 10A and a horizontal member located on the outer periphery of the steel members 10 constituting the box member in a state where the lower box member 3A and the upper box member 3B are connected. The steel material 10B is formed with the insertion portions 21,..., And the longitudinal steel material 10A and the horizontal steel material 10B located inside are formed with notches 20 or support holes 23 as the support portions. This is a structure communicating with the introduction hole 22. Specifically, the notch 20 is formed in the support portion that supports the horizontal U-bar 10C, the lower U-bar 10D, and the upper U-bar 10E, and the other vertical steel members 10A and the horizontal steel members 10B A support hole 23 is formed to support the vertical reinforcing bar 10A and the horizontal reinforcing bar 10B. Of course, since it is necessary to insert the straight vertical steel member 10A and the horizontal steel member 10B, the insertion part 21, the cutout part 20 and the support hole 23 are located on the same straight line. Others are the same as the above-mentioned embodiment.

  As shown in FIG. 15, when the bar arrangement work is finished, the surface outer shell plates 9A are respectively attached to the lower frame 8A and the upper frame 8B in a watertight state (see FIG. 17). Of course, the lower outer frame plate 9A is welded to the lower frame 8A and the upper frame 8B so that the outer surface shell plate 9A is not removed from the outside, or a stud serving as an anchor is set up on the back side of the outer surface shell plate 9A. Also good. Of course, a stud may be set up on the back surface of the other outer shell plate 9 such as the back outer shell plate 9B so as not to disturb the bar arrangement work. Or it is good also as an anchor by screwing a bolt into the nut welded to the back surface of each outer shell board 9 after reinforcement.

  Then, after incorporating necessary wirings or mechanisms, all of the introduction holes 22 on the side surfaces are closed with a sealing material or a resin cap, and the lower box-type body 3A and the upper box-type body 3B are continuously connected to the inner space from above. Concrete 24 is placed (see FIG. 18). Note that a radiation absorber may be added to the concrete 24. After the concrete 23 is cured and hardened, the upper outer shell plate 9E is fixed.

  And as shown in FIG. 4, the said electric drive part 11 and the driven drive part 12 are connected with the both sides | surfaces of 3 A of lower box type bodies, and it installs on the said rails 4 and 4. As shown in FIG. Further, the guide roller 7 and the guide block 7A are mounted on the upper outer shell plate 9E.

1 building, 2 frame opening,
3 Protective door,
3A Lower box, 3B Upper box,
4 traveling rails, 5 guide rails,
6 wheels,
6A driving wheel, 6B driven wheel,
7 guide roller, 7A guide block,
8 frames,
8A Lower frame, 8B Upper frame,
9 outer shell plate,
9A Front shell plate, 9B Back shell plate,
9C Side shell plate, 9D Bottom shell plate,
9E Top shell plate,
10 Rebar,
10A vertical rebar, 10B horizontal rebar,
10C Horizontal U-bar, 10D Lower U-bar,
10E U-shaped rebar, 10F horizontal rebar,
11 electric drive unit, 12 driven drive unit,
13 control panel, 14 pits,
15 bottom plate, 16 side plate,
17 Cross beam, 18 Bracket,
19 Steel,
19A vertical steel, 19B horizontal steel,
19C horizontal steel,
20 notch (support), 21 insert,
22 introduction hole, 23 support hole (support part),
24 Concrete.

Claims (6)

A method of manufacturing a door having impact resistance provided to be openable and closable at a housing opening of a structure,
Producing a hollow box-shaped body with an outer shell plate around a steel frame;
Transporting the box-shaped body to the installation site of the door;
With the front or back surface of the box-shaped body and the outer shell plate on the upper surface removed, the vertical reinforcing bars are inserted from above through the insertion portion provided on the upper surface of the box-shaped body and provided on the side surface of the box-shaped body. The horizontal rebar is inserted from the side through the introduced hole, and the U-shaped rebar is inserted into the both ends and the upper and lower ends from the open part, and the U-rebar and the vertical rebar and the horizontal rebar are bound together. A process of binding and arranging the intersection of the bar and the horizontal rebar,
After attaching the outer shell plate to the open part of the front surface or the back surface of the box-shaped body, placing the concrete from the open part of the upper surface,
Attaching the outer shell plate to the open part of the upper surface of the box-shaped body, and a finishing process for attaching the incidental equipment of the door,
The manufacturing method of the door characterized by comprising. A method of manufacturing a door having impact resistance provided to be openable and closable at a housing opening of a structure,
It has a hollow box structure with outer shell plates attached around the steel frame. The outermost shell plate on the widest surface or rear surface and the outer shell plate on the upper surface can be retrofitted or attached, and vertical and horizontal reinforcing bars are attached to the steel material. A hollow box-shaped body in which a supporting portion to be housed is formed, an insertion portion into which a vertical reinforcing bar can be inserted at least at the upper end steel material, and an introduction hole into which a horizontal reinforcing bar can be inserted into an outer shell plate on one side surface is formed. A manufacturing process;
Transporting the box-shaped body to the installation site of the door;
With the front or back surface and upper surface of the box-shaped body open, a vertical reinforcing bar is inserted into the insertion part from above and accommodated in the support part formed in the steel material, and a horizontal reinforcing bar is laterally introduced from the introduction hole. And inserted into the support portion formed in the steel material, and appropriately insert U-shaped reinforcing bars from the open portions at both ends and upper and lower ends, and bind the U-shaped reinforcing bars to the vertical and horizontal reinforcing bars as appropriate. , The process of binding and arranging the intersection of the vertical and horizontal reinforcing bars,
Attaching the outer shell plate to the open portion of the front surface or the back surface of the box-shaped body, closing the introduction hole, and then placing concrete from the open portion of the upper surface;
Attaching the outer shell plate to the open part of the upper surface of the box-shaped body, and a finishing process for attaching the incidental equipment of the door,
The manufacturing method of the door characterized by comprising.   3. The door according to claim 1, wherein the box-shaped body is composed of a divided box-shaped body divided into a plurality of parts, and includes an assembly step of connecting the divided box-shaped body after being transported to an installation site and assembling it into an integral box-shaped body. Manufacturing method.   Among the steel materials constituting the box-shaped body, the steel portion located on the outer peripheral portion is formed with the insertion portion, and the steel material located on the inside is formed with a notch portion or a support hole as the support portion. The door manufacturing method according to claim 2, wherein the insertion portion communicates with the introduction hole.   The support part that supports the U-shaped reinforcing bar is formed with a notch, and the other steel material is formed with a support hole that supports the vertical reinforcing bar and the horizontal reinforcing bar through the reinforcing bar. Manufacturing method for doors.   The door manufactured by the manufacturing method of the door of any one of Claims 1-5.

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