JPH0742769B2 - Renovation structure of vertical roof and its construction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for repairing a vertical thatched roof in which a new roof plate is laid on an existing thatched roof and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, in this kind of thatched roof,
For example, as disclosed in Japanese Utility Model Laid-Open No. Sho 63-192520 or Japanese Patent Laid-Open No. Sho 61-134446, there is one having a repair structure in which a new roof plate main body is laid on an existing roof.

[0003]

However, in the structure of such a conventional thatched roof, in the case of the former,
By holding the upper end side of the rising part of the new roof plate main body with the cap member and making the contact parts higher than the face plate part of the new roof plate main body, the face plate of the new roof plate main body is provided in case of rain. Although it prevents rainwater flowing over the part from intruding from the contact part, this causes insufficient retention of the rising part of the new roof plate body by the cap member against wind pressure, and the new roof plate body. Since the rising part of is weak against the tensile force, it is easily deformed, the face plate part of the newly installed roof plate body is lifted, and the cap member may come off due to repetition of these.

In the latter case, in which the rising base near the face plate of the newly installed roof plate body is directly pressed by the lower end of the protective cover, the contact portion of the protective cover is newly installed. Since it is near the face plate portion of the main body, rainwater that flows on the face plate portion of the newly installed roof plate body easily infiltrates from the contact portions due to the capillary phenomenon, and the rain finish is poor.

In addition, in order to prevent rainwater from entering due to such a capillary phenomenon, even if a decompression space is provided at the contact portion between the face plate portion of the newly installed roof plate body and the protective cover, sand at the contact portion, When foreign matter such as dust is clogged, the foreign matter may inhale rainwater, so that it is inevitable that rainwater will infiltrate into the connection part, which will cause corrosion of each component at the connection part, resulting in durability. There was a problem that the sex was impaired.

[0006]

It is an object of the present invention to increase the strength of a newly formed roof plate body to be laid on an existing roof against wind pressure at the rising portion thereof, and to ensure that rainwater is prevented from infiltrating at its connecting portion due to a capillary phenomenon. Another object of the present invention is to provide a structure for repairing a thatched roof and a construction method thereof, which can prevent the above and improve the durability.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a lower hanging member arranged and fixed so as to straddle a connecting portion of an existing thatched roof, and the lower hanging member. And a new roof plate main body, which is laid adjacent to each other with a rising part having a predetermined height in the vertical direction bent at both side edges of the face plate part, and new adjacent roof plate main bodies. Between the upper roof hangers which hold and bond the compatible rising parts that are adjacent to each other and are held to the lower hangers, and between the new roof plate main bodies fitted to the outer circumference of the upper hangers. It is provided with a protective cover for protecting the space between the compatible parts, and the compatible part of the newly installed roof plate main body is about 1/3 or less of the entire height of the vertical rising part from the face plate part and 8 mm or more. At the position, the step portion is bent outwardly, and the lower suspension A base portion that is arranged and fixed so as to straddle the connection portion of the existing thatched roof, a held portion that holds the upper suspension formed on the upper surface of the base portion, and the base The upper suspension has a fitting surface portion fitted to cover the upper surface of the lower suspension, and a back surface side of the fitting surface portion. A holding portion formed so as to be held by the held portion of the lower suspension, a holding portion formed at the lower end of the fitting surface portion so as to correspond to the shoulder portion of the lower suspension, and the fitting And a lockable portion formed on the outer surface of the surface portion and folded back at the lower end portion of the protective cover, and has a locked portion capable of locking, and is formed at a compatible portion between the newly installed roof plate bodies. The vertical stepping member is characterized in that the stepped portion can be held between the shoulder portion of the lower suspension and the holding portion of the upper suspension. It is in the renovation structure of the roof.

The present invention further includes a step of arranging and fixing a lower suspension member across a connection portion of an existing thatched roof, and a vertical direction on both side edges of the face plate portion with the lower suspension member interposed therebetween. A step of laying new roof plate main bodies in which rising portions having a predetermined height are bent and formed so as to be adjacent to each other, and the above-mentioned adjacent new roof plate main body with the lower suspension hanging an upper suspension. A step of hugging and joining adjacent compatible parts that are adjacent to each other, and a protective cover is fitted to the outer periphery of the upper suspension to protect the compatible parts between the newly installed roof plate main bodies. The step is directed toward the outer side of the newly installed roof plate body at a position which is about 1/3 or less of the entire height of the vertical rising part from the face plate part and 8 mm or more from the face plate part. It is bent and the lower suspension is connected to the connection of the existing thatched roof. A base portion that is placed and fixed in a staggered manner, a held portion that is formed on the upper surface of the base portion and that holds the upper suspension, and a shoulder portion that is formed to extend outside the side surface portion of the base portion. On the other hand, the upper suspension has a fitting surface portion fitted so as to cover the upper surface of the lower suspension, and is held by the held portion of the lower suspension on the back surface side of the fitting surface portion. A corresponding holding portion, a holding portion formed at the lower end of the fitting surface portion so as to correspond to the shoulder portion of the lower suspension, and an outer surface of the fitting surface portion of the protective cover. The lower suspension has shoulders of the lower suspension, and a stepped portion formed at the compatibility rising portion between the newly installed roof plate main bodies, as well as having a locked portion to which a locking portion formed by folding back at the lower end portion can be locked. It is a method of repairing a vertically-roofed roof, which is characterized in that it is held between the upper part and the holding part of the upper suspension.

[0009]

In other words, according to the present invention, by adopting the above-mentioned structure, a new roof plate main body is laid on the existing roof, and the new roof plate main body is bent outward at the compatible portion. Since the step is held between the lower suspension and the upper suspension by the shoulder portion formed on the lower suspension and the pressing portion formed on the upper suspension corresponding to the shoulder portion. In addition, the holding strength of the rising part of the new roof plate main body against wind pressure is increased, and by this, the rising part of the new roof plate main body becomes strong against tensile force, and the rising of the new roof plate main body as before. The face plate portion does not lift due to the deformation of the portion.

Further, the step portion formed by bending at the rising portion of the newly installed roof plate main body is provided at a position not more than about 1/3 of the entire height of the rising portion in the vertical direction from the face plate portion and not less than 8 mm. Therefore, the holding part by the lower suspension and the upper suspension is located at a position lower on the face plate side than the upper end side of the rising part of the new roof plate body as before, and the rising part of the new roof plate body rises. The part becomes stronger against the tensile force due to wind pressure.

Moreover, since the step portion formed by bending at the rising portion of the new roof plate body is set at a position of 8 mm or more from the face plate portion, the holding portion between the lower suspension and the upper suspension is provided. , It is higher than the draft position of the rainwater flowing through the face plate portion of the new roof plate body in the case of rain, etc., whereby the intrusion of rainwater due to the capillary phenomenon at the connection site as before is surely prevented.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail with reference to the illustrated embodiments. FIGS. 1 to 3 show a first embodiment of a structure for repairing a thatched roof according to the present invention. 1
Is a base material.

As shown in FIG. 1, the base material 1 comprises a purlin 2 made of, for example, C-shaped steel, and a base material 3 such as a wooden board.
And a waterproof material 4 such as asphalt roofing is laid.

Reference numerals 5 and 5 in the drawing denote roof plate main bodies made of existing metal steel plates which are laid adjacent to each other on the base material 1, and the existing roof plates 5 and 5 adjacent to each other are compatible with each other. The rising portions 6 and 6 are engaged with the goby via the connecting member 7.

Reference numeral 10 in the drawing denotes a lower suspension which is arranged so as to straddle a connecting member 7 which is a connecting portion between the existing roof plate main bodies 5 and 5 laid on the base material 1. Hangings 10
Is fixed on the base material 1 via the connecting member 7 by a fixture 8.

Further, the upper suspension 20 can be held on the lower suspension 10, and the lower suspension 10 and the upper suspension 20 are made of aluminum, aluminum alloy, hard resin or the like and are extruded in a short length. It is made of mold material.

On the other hand, new roof plate bodies 30 made of metal steel plates are laid adjacent to each other on the existing roof plate bodies 5, 5, and the new roof plate body 30 is shown in FIG. So that the flat face plate portion 31 and the face plate portion 31
The left and right edges of each of the two rising edges 32, 32 having a predetermined height H in the vertical direction are formed by being inclined and formed so as to widen outward, and the rising portions 32, 32 are formed. Draining portions 33, 33 are formed by folding back inward at the upper end of the.

In this case, a heat insulating material such as polyethylene foam may be attached to the back surface of the newly installed roof plate body 30 as required.

That is, the new roof plate body 30 is
For example, an overall width W is 299.8 to 434.8 mm, a vertical height H of the compatibility raising portions 32 and 32 is 30.0 mm, and a thickness t is 0.4 to 0.7 mm. In addition, in the middle of the compatibility raising portions 32, 32, horizontal step portions 34, 34 are provided at a height position h of about 1/3 or less of the total height H in the vertical direction from the face plate portion 31 and 8 mm or more. Are each formed to be bent outward.

Further, as shown in FIG. 3, the lower suspension 10 is arranged so as to straddle the connecting member 7 between the existing roof plate main bodies 5 and 5, and is fixed by a fixture 8. Part 11
And the held portions 12, 12 formed of holding grooves formed in the central portion 11a of the upper surface of the base portion 11 along the eaves ridge, and the upper and lower intermediate portions of the left and right side wall surfaces 11b, 11b of the base portion 11. In addition to having a configuration including shoulder portions 13 and 13 each having a horizontal surface formed by projecting outward,
The left and right wall surfaces 11b, 11b of the base portion 11 are inclined at substantially the same angle as the inclination angle θ of the rising portion 32 of the newly installed roof plate body 30.

That is, on the shoulders 13, 13 of each of the lower suspensions 10, the compatible rising portions 32, 32 adjacent to each other and formed between the new roof plate bodies 30, 30 are bent and formed. The respective step portions 34, 34 are supported in a mounted state, and the left and right side wall surfaces 11b, 11b of the base portion 11 are provided on the outside of the compatibility raising portions 32, 32 between the new roof plate bodies 30, 30. The side surfaces are abutted and supported, and the holding portions 12 and 12 formed of the holding grooves are provided with holding portions 22 and 22 formed of holding projections of an upper suspension 20 which will be described later. It can be held by slidingly engaging in the direction.

Further, the upper suspension 20 has a cap-shaped fitting surface portion 21 fitted to cover the upper surface of the lower suspension member 10, and the lower suspension portion at the center of the rear surface side of the fitting surface portion 21. The holding portions 22 and 22 formed of holding ridges that are formed to extend outward so as to be slidably held by the held portions 12 and 12 of the child 10 in the eaves ridge direction, and the fitting surface portion 21. The left and right wall surfaces 21a, 21a of the lower suspension 10 are formed at the lower ends thereof with pressing portions 23, 23 formed respectively corresponding to the shoulder portions 13, 13 of the lower suspension 10.

That is, the held portion 1 of the lower suspension 10
2, 12 and the holding portions 22, 22 of the upper suspension 20 are
One of them is a groove type and the other is a protruding type so as to be slidably held in the eaves ridge direction and engaged with each other, and is supported on the shoulder portions 13 of the lower suspension 10 in a mounted state. The step portions 34, 34 of the compatible rising portions 32, 32, which are adjacent to each other and face each other, between the newly installed roof plate bodies 30, 30, hold down the pressing portion 2
At the same time as pressing and holding by the 3, 23, the compatibility raising portions 32, 32 between the newly installed roof plate bodies 30, 30 are formed on the side wall surfaces 11b, 11b of the base portion 11 of the lower suspension 10 and the upper suspension 20. It is designed to be held between the side wall surfaces 21a, 21a of the fitting surface portion 21 of the above, so that the rising portion 32 of the newly installed roof board main body 30 can be held in the lateral direction. Has become.

Further, the fitting surface portion 21 of the upper suspension 20 is
Locking projections 24, 24 are formed on the inner surface of the projecting member 24, and the locking projections 24, 24 are provided on the new roof plate body 3
Lower ends 33a, 33 of drainers 33, 33 formed by folding the upper ends of the rising parts 32, 32 of 0, 30 inward.
a is locked and supported.

Further, reference numeral 40 in the drawing is a rectangular crosspiece-like protection which is fitted on the outer periphery of the upper suspension 20 and protects between the compatible rising portions 32, 32 which are joints of the new roof plate bodies 30, 30. The protective cover 40 is a cover that is roll-formed with the same material as that of the newly installed roof plate body 30, and has its left and right lower end portions bent inward to form locking portions 41, 41. The stoppers 41, 41 are elastically fitted into locking grooves 25, 25 formed in the lower portion of the outer surface of the upper suspension 20 and can be locked.

FIGS. 4 to 6 show the second, third and fourth embodiments of the present invention, in which the lower suspension 10 and the upper suspension 20 in the first embodiment are in sliding engagement with each other. The respective modifications are shown.

In order to lay a new roof on the existing roof, first, the lower suspension 10 is straddled over the connecting member 7 between the existing roof plate bodies 5 and 5 laid on the base material 1. The base 11 of the lower suspension 10 is fixed by the fixture 8.

Next, with the lower suspension 10 interposed,
The new roof plate main bodies 30 and 30 are laid adjacent to each other, and the lower suspension 10 is held by slidingly engaging the upper suspension 20 from the eaves ridge direction. This is performed by holding and joining the facing compatible portions 32, 32 between the main bodies 30, 30 and then fitting the protective cover 40 to the upper suspension 20.

In the above embodiment, the contact portions between the lower suspension member 10 and the upper suspension member 20 which hold the compatibility raising portions 32, 32 between the new roof plate main bodies 30 adjacent to each other are in close contact with each other. Although they are assembled so as to maintain them, some gaps may be provided between their respective contact portions as shown in FIG. 1 in order to facilitate the mounting work.

Further, the present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0031]

As is apparent from the above description, according to the present invention, a new roof plate main body is laid on the existing roof, and the new roof plate main body is bent outward to form a compatible part. The stepped portion is held between the shoulder portion formed on the lower suspension portion and the pressing portion formed on the upper suspension portion so as to correspond to the shoulder portion while the lower suspension element and the upper suspension element are held. Therefore, it is possible to increase the holding strength against the wind pressure of the rising portion of the newly installed roof plate body, and by this, the rising portion of the newly installed roof plate body can be made stronger against the tensile force. The rise of the face plate portion due to the deformation of the rising portion of the roof plate body does not occur.

Further, the step portion bent and formed on the rising portion of the newly installed roof plate body is provided at a position not more than about 1/3 of the entire height of the rising portion in the vertical direction from the face plate portion and not less than 8 mm. Therefore, the sandwiched portion by the lower suspension and the upper suspension is located at a position lower on the face plate side than the upper end side of the rising portion of the newly constructed roof plate body as before, and thereby,
The rising part of the new roof plate body becomes stronger against the tensile force due to wind pressure.

Moreover, since the step portion formed by bending at the rising portion of the newly installed roof plate body is set at a position of 8 mm or more from the face plate portion, the holding portion by the lower suspension and the upper suspension is set. , In order to be able to raise the rainwater flowing through the face plate part of the newly installed roof plate body to a higher position than the draft position,
It is possible to reliably prevent rainwater from entering due to the capillary phenomenon at the connection site as in the past, and to improve the durability.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of essential parts showing a first embodiment of a structure for repairing a thatched roof according to the present invention.

FIG. 2 is a perspective view of a newly installed roof plate body.

FIG. 3 is an exploded perspective view of essential parts showing an assembled state of the lower suspension and the upper suspension in the same manner.

FIG. 4 is a cross-sectional view of essential parts showing a second embodiment of the assembled state of the lower suspension and the upper suspension in the structure for repairing a thatched roof according to the present invention.

FIG. 5 is a cross-sectional view of essential parts showing a third embodiment of the assembled state of the lower suspension and the upper suspension in the structure for repairing a thatched roof according to the present invention.

FIG. 6 is a cross-sectional view of the essential parts showing a fourth embodiment of the assembled state of the lower suspension and the upper suspension in the structure for repairing a thatched roof according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Base material, 10 ... Lower suspension, 11 ... Base part, 12, 12 ... Held part (holding groove), 13, 13 ... Shoulder part, 20 ... Upper suspension, 21 ... Fitting surface portion, 22, 22 ... Holding portion (holding ridge portion), 23, 23 ... Holding portion, 24, 24 ... Locking protrusion, 25, 25 ... ..Locking grooves, 30 ... New roof plate body, 31 ... Face plate part, 32, 32 ... Standing part, 34, 34 ... Step part, 40 ... Protective cover, 41, 41 ... Locking portion, H ... Overall height in the vertical direction of the rising portion of the new roof plate main body, h ... Height of step portion.

Claims (3)

[Claims] 1. A lower hanging member arranged and fixed so as to straddle a connection portion of an existing thatched roof, and laid adjacent to each other with the lower hanging member interposed therebetween, and on both side edges of the face plate portion. A new roof plate main body in which a rising part having a predetermined height in the vertical direction is bent and formed, and a compatible rising part between the adjacent new roof plate main bodies which are adjacent to each other and face each other, are provided to the lower suspension. And a protective cover that is fitted to the outer periphery of the upper suspension to protect between the compatible rising portions between the newly installed roof plate bodies. The roof board main body has a step portion bent outward from the face plate portion at a position of about 1/3 or less of the entire height of the vertical rising portion and 8 mm or more. The child is placed and fixed by straddling the connection portion of the existing thatched roof. While having a base portion, a held portion formed on the upper surface of the base portion for holding the upper suspension, and a shoulder portion that is formed to extend outside the side surface portion of the base portion, the upper portion The hanging member is formed so as to correspond to the fitting surface portion that is fitted so as to cover the upper surface of the lower hanging portion and to be held by the held portion of the lower hanging portion on the back surface side of the fitting surface portion. A holding portion, a holding portion formed at the lower end of the fitting surface portion corresponding to the shoulder portion of the lower suspension, and a holding portion formed on the outer surface of the fitting surface portion and folded back at the lower end portion of the protective cover. The locking portion has a locked portion that can be locked, and the step portion formed at the compatible rising portion between the newly installed roof plate main bodies is used to hold the shoulder portion of the lower suspension and the upper suspension. A refurbished structure for a thatched roof, which is characterized by being able to be held between the parts. 2. The held portion of the lower suspension and the holding portion of the upper suspension are formed in a groove shape on one side and a protrusion shape that engages with the groove shape on the other side, and are in the eaves direction with respect to each other. The vertically-roofed roof refurbishing structure according to claim 1, characterized in that it is slidably engaged with and can be held. 3. A step of arranging and fixing a lower hanging member across a connecting portion of an existing vertical thatched roof, and a predetermined height in a vertical direction on both side edges of the face plate portion with the lower hanging member interposed therebetween. Laying new roofing plate main bodies having bent rising parts adjacent to each other, and arranging the upper suspensions on the lower suspensions so that they are adjacent to each other. And a step of hugging and joining the opposing compatible parts, and a step of fitting a protective cover on the outer periphery of the upper suspension to protect the compatible parts between the new roof plate bodies. However, a step portion is bent outwardly at a position which is about 1/3 or less of the overall height of the vertical rising portion from the face plate portion and 8 mm or more at the compatible rising portion of the new roof plate main body. , The lower suspension is arranged and fixed by straddling the connection portion of the existing thatched roof. While having a base portion to be held, a held portion for holding the upper suspension formed on the upper surface of the base portion, and a shoulder portion that is formed to project outside the side surface portion of the base portion, The upper suspension has a fitting surface portion that is fitted so as to cover the upper surface of the lower suspension and a rear surface side of the fitting surface portion that is held by the held portion of the lower suspension. A holding portion formed, a holding portion formed at the lower end of the fitting surface portion so as to correspond to the shoulder portion of the lower suspension, and a folded portion formed on the outer surface of the fitting surface portion and at the lower end portion of the protective cover. Has a stepped portion formed on the compatible portion between the newly installed roof plate main bodies, and a shoulder portion of the lower suspension member and an upper suspension member. A method of repairing a vertically-roofed roof, which is characterized in that it is sandwiched between the foot and the foot.