JP2007046392A - Repair method for corrugated roof member and slate roof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a corrugated roof material suitable for replacement with the roof material of an existing slate roof, easily installable according to the widths of a roof, and reducing a material cost. <P>SOLUTION: This corrugated roof material comprises a chevron-shaped metal member 21 having, on both side edge parts, fitting recessed parts 21a opening to the lower side and a valley-shaped metal member 22 having, on both side edge parts, fitting projected parts 22a projected to the upper side. The fitting recessed parts 21a and the fitting projected parts 22a of the chevron-shaped metal member 21 and the valley-shaped metal member 22 are engaged with each other to alternately arrange the chevron-shaped metal members 21 and the valley-shaped metal members 22 to form the roof member in a corrugated shape. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a corrugated roof member and a method for repairing a slate roof using the corrugated roof material.

  Conventionally, for example, a station platform having a corrugated slate roof is known.

  In addition, such slate roofs use thin plates such as slate, shale, etc., cement plates in which asbestos is mixed with cement, and asbestos-cement plates, but the water resistance and impact resistance deteriorate due to changes over time. Therefore, replacement work will be performed.

  However, in the case of a slate roof constructed on the platform of the station mentioned above, the replacement work within a limited time from the last train to the first train will be forced, so the replacement work of the slate roof will be partly done There are many.

  Therefore, until the replacement of all slate roofs is completed, existing slate roofs and slate roofs after replacement will be mixed, but airtightness (especially watertightness) must be ensured in the processing of the boundary portion. In order to be forced, generally, the same material and shape are used (see, for example, Patent Document 1).

  However, when using the same material and shape as the existing slate roof, the durability does not change and the strength and durability do not change. I could not respond to.

  Therefore, there is a construction method in which the existing slate roof is left as it is and is newly covered with a cover roof (see, for example, Patent Document 2).

  18 and 19 show an example of a construction method in which such an existing slate roof is covered with a new cover roof, FIG. 18 is a cross-sectional view of the main part after switching, and FIG. 19 is a perspective view of the bracket.

  In FIG. 18, 1 is a beam constituting the skeleton of the roof (entire drawing is omitted), 2 is an existing slate roof fixed to the beam 1, and 3 is a new slate that covers the surface (upper surface) side of the existing slate roof 2. A cover roof 4 made of a single metal plate as a roof is a fixture unit for fixing the cover roof 3 to the existing slate roof 2.

  The fixture unit 4 includes a bracket 5 disposed between the existing slate roof 2 and the cover roof 3, a drill screw 6 penetrating from the surface of the cover roof 3 to the beam 1 via the bracket 5, and a drill screw 6 A nut 7 screwed into the middle portion, a packing 8 interposed between the head of the drill screw 6 and the cover roof 3, and a packing 9 interposed between the nut 7 and the existing slate roof 2. And.

  Further, as shown in FIG. 19, the bracket 5 is formed in a substantially inverted U shape when viewed from the front, and has a top 5 a that is rectangular in plan view, and left and right legs 5 b that are suspended from both side edges of the top 5 a. , And a seat portion 5c that opens upward so as to sandwich the top portion 5a.

A plate 10 having a washer portion 10a with which a midway portion of the drill screw 6 is engaged in a penetrating state is fixed between the seat portions 5c.
JP 2001-207654 A JP 2000-336851 A

  By the way, in the configuration in which the cover roof 3 is provided on the surface of the existing slate roof 2 configured as described above, the slate roof 2 that has deteriorated over time remains, so that a problem remains in strength resistance. Since the drill screw 6 is passed through the aged slate roof 2 and the bracket 5 is fixed, there is a problem that the strength resistance is further deteriorated.

  In addition, since the cover roof is made of metal, the load on the slate roof 2 is large, which also causes a deterioration in strength resistance.

  In addition, since the number of brackets 5 increases if the cover roof 3 does not have a certain width, the width of the cover roof 3 is assumed to be relatively wide. However, there is a problem that the actual length of the existing roof 2 may not match.

  Furthermore, since the corrugated cover roof 3 is attached to the existing slate roof 2, the overall thickness increases, and for example, it becomes difficult to add to a place where a part of the building is overhanging. In addition, there is a problem in that the material cost increases as much as the expensive bracket 5 having a complicated shape and ensuring strength is used.

  Therefore, in consideration of the above circumstances, the present invention is suitable for replacement work with an existing slate roof, and not only can easily cope with changes in width, but also can reduce material costs. An object of the present invention is to provide a corrugated roof member having high durability and a method for repairing a slate roof using the corrugated roof material.

  The corrugated roof member according to claim 1 is composed of a mountain-shaped metal member having a fitting portion on both side edges and a valley-shaped metal member having a fitting portion on both side edges. When the metal-like metal member and the valley-shaped metal member are alternately arranged, the fitting portions formed on the side edge portions of the adjacent mountain-shaped metal member and the valley-shaped metal member are fitted to each other, resulting in a waveform It is formed.

  The corrugated roof member according to claim 2 has a mountain-shaped metal member having a fitting recess that opens downward on both side edges, and a valley shape that has a fitting protrusion protruding upward on both edges. And the engaging recesses and engaging protrusions of the chevron-shaped metal member and the trough-shaped metal member are engaged with each other to alternately form the chevron-shaped metal member and the trough-shaped metal member. It is characterized by being arranged and formed into a waveform.

  The corrugated roof member according to claim 3 has a mountain-shaped metal member having a fitting concave portion that opens downward on both side edge portions, and a valley shape having a fitting convex portion protruding upward on both side edge portions. And the engaging recesses and engaging protrusions of the chevron-shaped metal member and the trough-shaped metal member are engaged with each other to alternately form the chevron-shaped metal member and the trough-shaped metal member. Arranged and formed into a corrugated shape, a chevron-shaped metal member is disposed at one end, a trough-shaped metal member is disposed at the other end, and the chevron-shaped metal member at one end and the trough-shaped metal member at the other end Are formed in a shape that can be polymerized with each other.

  The corrugated roof member according to claim 4 is characterized in that an irregular surface for irregular reflection is formed on at least the upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member.

  The corrugated roof member according to claim 5 is characterized in that a coating film for irregular reflection is applied to at least the upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member.

  The corrugated roof member according to claim 6 is characterized in that the fitting position of the fitting concave portion and the fitting convex portion of the mountain-shaped metal member and the valley-shaped metal member is moved upward from the neutral axis. And

  The corrugated roof member according to claim 7 is characterized in that the outer side surface of the fitting recess of the mountain-shaped metal member is formed vertically.

  The corrugated roof member according to claim 8 is characterized in that the thickness in the vicinity of the ridge line of the mountain-shaped metal member and the thickness in the vicinity of the valley line of the valley-shaped metal member are thicker than other portions. To do.

  The corrugated roof member according to claim 9 is characterized in that each metal member is formed by extrusion molding of an aluminum alloy.

  The corrugated roof member according to claim 10 is characterized in that bending is performed in a direction perpendicular to the ridge line and the valley line of the mountain-shaped metal member and the valley-shaped metal member.

  The corrugated roof member according to claim 11 is characterized in that a roof plate cover material fitted to a shoulder portion formed in the vicinity of the ridge line of the mountain-shaped metal member is attached.

  The slate roof refurbishing method according to claim 12, wherein the corrugated roof material according to claim 10 or 11 is applied to a part of the remaining slate roof after removing the repaired portion of the nose tip of the existing slate roof. It is characterized by constructing with overlapping.

  According to the corrugated roof member according to claim 1, the roof can be constructed with a width corresponding to the width pitch of the mountain-shaped metal member and the valley-shaped metal member as a whole, and can be used for a new roof. By preparing a mountain-shaped metal member and a valley-shaped metal member at the same pitch as the wave shape of a slate roof, etc., it is suitable for renovation and partial replacement work of existing roofs, and also has a highly durable roof Can be provided. A corrugated roof member can be constructed.

  According to the corrugated roof member according to claim 2, in addition to the use for a new roof, an existing slate roof can be formed by alternately arranging an arbitrary number of mountain-shaped metal members and valley-shaped metal members. Since it is possible to easily cope with changes in the width of the roof, it is suitable for exchanging existing roofs, and a highly durable roof can be provided. Also, fitting recesses that open downward are formed on both side edges of the chevron-shaped metal member, and fitting projections that protrude upward are formed on both side edges of the valley-shaped metal member. Therefore, the corrugated roof member can be configured to increase the watertight effect at the fitting portion.

  According to the corrugated roof member according to claim 3, by overlapping the metal member at the end of the roof member having the same configuration, the mountain-shaped metal member and the valley-shaped metal member having an arbitrary width as a whole. It is possible to continuously construct roof plate members arranged alternately, and to form a corrugated roof member.

  According to the corrugated roof member according to claim 4, the irregular surface for irregular reflection is formed on at least the upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member, so that the surface reflection of sunlight is reduced. It can be reduced and the antiglare property can be improved. This improves the anti-glare effect for the driver of the vehicle particularly when the corrugated roof member is used for the platform roof.

According to the corrugated roof member according to claim 5, the irregular reflection coating treatment is performed on at least the upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member, so that the surface reflection of sunlight is achieved. Thus, the antiglare property can be improved as in the fourth aspect.
According to the corrugated roof member according to claim 6, the fitting position of the fitting concave portion and the fitting convex portion of the mountain-shaped metal member and the valley-shaped metal member is moved upward from the neutral shaft. Further, it is possible to prevent cracking and buckling at the time of bending and to improve the bending workability when the nose tip portion of the roof is bent.

  According to the corrugated roof member according to claim 7, since the outer side surface of the fitting recess of the mountain-shaped metal member is formed vertically, the releasability at the time of bending is improved. .

  According to the corrugated roof member according to claim 8, each of the thicknesses in the vicinity of the ridge line of the mountain-shaped metal member and in the vicinity of the valley line of the valley-shaped metal member metal member is thicker than other portions. By doing so, it becomes possible to cope with the thickness deformation at the time of bending.

  According to the method for forming a corrugated roof member according to claim 9, strength and workability are improved by forming each metal member by extrusion molding of an alloy material mainly composed of aluminum.

  According to the corrugated roof material according to claim 10, the corrugated roof member is bent by being bent so as to have a bend line in a direction perpendicular to the ridge line and the valley line. A corrugated roofing material that has been processed can be provided.

  According to the corrugated roof material according to claim 11, the hook plate nut is loosened by attaching the roof plate cover material fitted to the shoulder formed in the vicinity of the ridgeline of the mountain-shaped metal member. Can be prevented.

  According to the method for repairing a slate roof according to claim 12, after removing the repaired portion of the nose tip of the existing slate roof, the corrugated roof material of claim 11 is overlapped with a part of the remaining slate roof. By doing so, it is possible to change the partial slate roof.

  Next, a corrugated roof member according to an embodiment of the present invention and a method for repairing a slate roof using the corrugated roof material will be described with reference to the drawings.

In FIG. 17, a slate roof 13 in which a corrugated slate material is spread is formed by a roof covering the upper part of the platform 12 of a station where the train 11 stops. At this time, the slate roof 13 shown in FIG. 17 is constructed so as to be inclined upward toward the number line side of the platform 12 around a column 19 erected from the approximate center of the platform 12. In addition, the slate roof 13 is in a different unit state so that it can be replaced on the side of the number line around the pillar 19. Furthermore, the slate roof 13 used here is formed with a bent portion 13a bent downward on the side of the number line.
The existing slate roof 13 has a fragile bent portion 13a due to secular change, and this portion is easily subjected to wind pressure or the like, and is a portion that is required to be repaired earlier than other roof portions.

FIG. 1 (A) shows a metallic corrugated roof material 14 suitable for repairing such a slate roof 13.
1A and 1B, reference numeral 21 denotes a mountain-shaped metal member having fitting concave portions 21a at both side edges along the ridge line, and 22 denotes a valley type having fitting convex portions 22a at both side edges along the valley line. The metal member 23 is a mountain-shaped metal member for a terminal having a female contact portion 23b on one side edge portion, and 24 is a valley shape for a terminal having a male contact portion 24b on one side edge portion. It is a metal member.

  In addition, although the example which provided each metal member 21-24 adjacently was shown in FIG. 1 (A), the mountain-shaped metal member 21 and the valley-shaped metal member 22 should arrange two or more alternately. The fitting concave portions and the fitting convex portions are fitted to each other, whereby the width of the corrugated roofing material 14 constituted by the metal members 21 to 24 (the depth direction of the paper surface shown in FIG. 17, That is, the front-rear direction of the train 11) can be selected as appropriate. At this time, the number of the mountain-shaped metal members 21 and the number of the valley-shaped metal members 22 is the same. By the way, when considering the widths of thin plates such as slate and shale that constitute existing general slate roofs, cement plates mixed with cement in asbestos, or asbestos cement plates, one span of corrugated roofing material 14 Then, the chevron-shaped metal member 21 and the trough-shaped metal member 22 are alternately arranged adjacent to each other, and the chevron-shaped metal member 23 and the trough-shaped metal member 24 for terminals are provided at both ends thereof. Arranged and configured.

  As shown in FIG. 2, the chevron-shaped metal member 21 is formed with a fitting recess 21 a (23 a) having a substantially C-shaped or dovetail groove shape that opens downward at both ends thereof. . Further, the thickness of the chevron-shaped metal member 21 in the vicinity of the central ridge line is a thick portion 21b that is thicker than other portions. In addition, as shown in FIG. 3A, the fitting recesses 21a and 23a have a vertical surface 21c as an end surface (surface), so that the displacement and releasability of members during bending (described later) (illustrated) The release direction can be unified in the direction of the arrow). Further, as shown in FIG. 3B, a recess 21d may be formed on the vertical surface 21c to prevent sink marks and to ensure ease of extrusion.

  As shown in FIG. 4, the valley-shaped metal member 22 has fitting convex portions 22 a having a substantially T-shaped cross section at both ends. Further, the wall thickness in the vicinity of the central ridge line of the valley-shaped metal member 22 is a thick portion 22b that is thicker than other portions.

  Thereby, as shown in FIG. 1 (B), each fitting recessed part 21a and the fitting convex part 22a mutually engage, and the mountain-shaped metal member 21 and the valley-shaped metal member 22 can be combined. . At this time, each fitting recess 21a and the fitting projection 22a are formed with a slight gap between them in consideration of the bending process described later. Moreover, these fitting can be easily implement | achieved over the full length by moving the valley-shaped metal member 22 along the ridgeline of the mountain-shaped metal member 21, for example.

  As shown in FIG. 5, the terminal-shaped metal member 23 has a fitting groove 23 a having a substantially C-shaped opening that opens downward at one end thereof. Also, a female contact portion 23b having an end bent downward (inner surface) is formed at the other end of the mountain-shaped metal member 23 for the terminal. Furthermore, the thickness near the central ridgeline of the mountain-shaped metal member 23 for the terminal is a thick portion 23c that is thicker than other portions.

  As shown in FIG. 6, the terminal-shaped valley-shaped metal member 24 is formed with a fitting convex portion 24a having a substantially T-shaped cross section at one end thereof. In addition, a male contact portion 24b having an end protruding upward (front side) is formed at the other end of the valley-shaped metal member 24 for the terminal. Furthermore, the wall thickness in the vicinity of the central ridge line of the valley-shaped metal member 24 for the terminal is a thick portion 24c that is thicker than other portions.

  Thereby, the corrugated roofing material 14 can be arrange | positioned adjacently for every span, and construction of the number of spans according to construction time is realizable.

  Further, as shown in FIG. 1C, a female contact portion 23b in which an end of a mountain-shaped metal member 23 for a terminal is bent downward (inner surface) and a valley-shaped metal member 24 for a terminal. By forming the male contact portion 24b with the end of the upper portion protruding upward (front side) into a shape provided with a probable overlapping portion 25, the contact state at the time of bending can be improved and the water tightness can be improved. It becomes good.

  By the way, the shape of each fitting recessed part 21a, 23a mentioned above and fitting convex part 22a, 24a is not limited above. For example, in each of the metal members 31, 32, 33, and 34 shown in FIGS. 7 to 11, the metal member 31 is the metal member 21, the metal member 32 is the metal member 22, the metal member 33 is the metal member 23, The member 34 corresponds to the metal member 24. The fitting recesses 31a and 33a are C-shaped, and the fitting projections 32a and 34a are fitted to each other as a tip bulge. In addition, the fitting part fitting part 21a, 23a, 22a, 24a described in these is watertightness from when the mountain-shaped metal members 31, 33 and the valley-shaped metal members 32, 34 are fitted and constructed. However, when watertightness is maintained, for example, by sealing the fitting portion, the mountain-shaped metal members 31, 33 and the valley-shaped metal member 32 are formed. , 34 need only be fitted, and the shape of the fitting portion can be freely selected.

  7 to 11, reference numerals 31b, 32b, 33c, and 34c are thick portions, and 33b and 34b are contact portions. Further, at least the upper surface side of each of the metal members 21 to 24 and the metal members 31 to 34, that is, the upper surface side in a state of being applied to the platform 12, is subjected to surface treatment for irregularly reflecting the incident light beam of sunlight. Yes. In this surface treatment, for example, when each of the metal members 21 to 24 and the metal members 31 to 34 is formed by extrusion molding of an alloy mainly composed of aluminum, mechanical pretreatment such as blasting or acid or alkali solution is used. After the satin treatment by the chemical treatment used, an anodized film (alumite) is formed on the surface in an aqueous solution such as sulfuric acid.

  Thereafter, a film formed by electrolytic coloring in an aqueous solution containing a metal salt such as nickel, tin, copper, etc., and electrodeposition coating in an acrylic water-soluble paint is suitable. In addition to this, an acrylic or fluorine-based colored coating treatment may be performed after the base treatment.

  In addition to such coating treatment, as shown in the metal members 31 to 34, a large number of linear (or dotted) concave (convex) portions 35 (see FIG. 7B) are formed on the upper surface side. In addition, incident light of sunlight may be irregularly reflected. The treatment for irregularly reflecting the light may be performed only on the surface side of the mountain-shaped metal members 31 and 33, and is performed on both the mountain-shaped metal members 31 and 33 and the valley-shaped metal members 32 and 34. This further improves the effect.

  Next, the corrugated roofing material 14 configured as described above is in a state in which the extruded metal members 21 to 24 are cut into predetermined dimensions, and then alternately arranged in parallel to perform end alignment. The end is fitted. When the roof 13 is flat, the corrugated roofing materials 14 are fixed by caulking with a punch or the like, stud welding, adhesion with an adhesive, or the like.

  Further, in order to apply the corrugated roof material 14 to the modification of the bent portion 13a of the roof 13 as shown in FIG. 17, it is bent using a bender device 40 as shown in FIG.

  Normally, the fitting positions of the fitting recesses 21a and 23a and the fitting projections 22a and 24a are arranged on the neutral shaft p as shown in FIG. Therefore, as shown in FIG. 7, each of the fitting recesses 31a and 33a is C-shaped, and the fitting position of the fitting projections 32a and 34a is indicated above the neutral axis p in FIG. It is good to move.

  The bender device 40 includes a pair of molds 41 and 42 that sandwich the corrugated roof material 14 combined with a predetermined number in a sandwich shape, and a base 44 that rotates at least one of the molds 41 around an axis 43. The corrugated roofing material 14 is bent along the bending surface 41a of the mold 41.

  Note that whether the mold 42 is fixed or moves in the same direction as the mold 41 or in the opposite direction depends on whether the corrugated roofing material 14 is fixed or moves.

  In such a configuration, when a part of the existing slate roof 13 is replaced, as shown in FIG. 15 showing the bent portion (nose tip R portion), FIG. 14 and FIG. 13 showing the AA cross section of FIG. After removing the existing slate roof 13, a new corrugated roof material 14 is fixed to the existing beam 1 with a drill screw 6. At this time, the drill screw 6 is located in the thick portion 21b (23c) of the mountain-shaped metal member 21 (23), and the packing 9 is interposed as shown in FIG. Moreover, as shown in FIG. 15, the nose tip part of the existing slate roof 13 is removed, and the slate roof 13 left in the straight part and the metal corrugated roof member are overlapped.

  Further, as shown in FIG. 15, the bent portion (the nose tip R portion) is also fixed to the L-shaped bracket 15 fixed to the beam 1 by the hook bolt 17 via the slide bracket 16.

  By the way, when fixing the corrugated roofing material 14 with the hook bolts 17 or the like, as shown in FIG. 16A, the metal members 31 (other metal members 21, 22, 23, A groove-like mounting groove 35 is formed above the shoulder near the ridgeline, and a roof cover member 37 that engages with the hexagon nut 36 of the hook bolt 17 is attached to the mounting groove 35. Is preferred. The cover member 37 is formed with a leg piece 38 fitted in the mounting groove 35 and a loosening prevention piece 39 for preventing the hex nut 36 from loosening and moving up. Since the cover member 37 does not rotate, it is possible to prevent the inner hexagon nut 36 from rotating in the loosening direction. 45 is a rubber packing and 46 is a flat packing. The mounting groove 35 of the cover member 37 is formed so as to open on the side surface of the thick portion 31b, and the leg piece 38 of the cover member 37 is fitted into the mounting groove 35 as shown in FIG. May be.

  As shown in FIG. 13, FIG. 14, or FIG. 15, the same is preferable when the mountain-shaped metal member 21 (23) is fixed.

Since some of the slate roofs 13 are replaced, the connecting portion between the part where the existing slate roof 13 is left in the longitudinal direction of the platform and the new corrugated roofing material 14 is the part of the slate roof 13. The corrugated roofing material 14 may be overlaid with about two piles.
The same applies to the bent portion.

  The metal corrugated roof of the present invention can be used for partial refurbishment of the existing slate roof as described above, but can also be used for new construction or replacement by removing the existing slate roof. .

The corrugated roof material of this invention is shown, (A) is a front view of a corrugated roof material, (B) is an expanded sectional view of a fitting part, (C) is an expanded sectional view of a terminal and a terminal. It is an enlarged front view of a mountain-shaped metal member showing the corrugated roof material of the present invention. The corrugated roofing material of this invention is shown, (A) (B) is an expanded sectional view of the modification of a fitting part. It is an enlarged front view of a trough-shaped metal member showing the corrugated roof material of the present invention. It is an enlarged front view of the mountain-shaped metal member for terminals, showing the corrugated roof material of the present invention. It is an enlarged front view of the trough-shaped metal member for terminals, showing the corrugated roof material of the present invention. The modification of the corrugated roof material of this invention is shown, (A) is a front view of a corrugated roof material, (B) is an expanded sectional view of a fitting part, (C) is an expanded sectional view of a terminal and a terminal. It is. The modification of the corrugated roof material of this invention is shown, and it is an enlarged front view of a mountain-shaped metal member. The modification of the corrugated roof material of this invention is shown, and it is an enlarged front view of a trough-shaped metal member. The modification of the corrugated roof material of this invention is shown, and it is an enlarged front view of the mountain-shaped metal member for terminals. The modification of the corrugated roof material of this invention is shown, and it is an enlarged front view of the trough-shaped metal member for terminals. It is a perspective view of a bender device showing a corrugated roof material of the present invention. FIG. 16 shows a corrugated roofing material according to the present invention, and is a cross-sectional view of one span in a construction state, and is a cross-sectional view along the line AA in FIG. 15. It is an expanded sectional view of the principal part of a construction state, showing the corrugated roof material of the present invention. It is an expanded sectional view of the bent portion in the construction state, showing the corrugated roofing material of the present invention. It is sectional drawing of the principal part which shows the attachment state of the cover material for roof boards. It is explanatory drawing which shows the relationship between a platform and a slate roof. It is the expanded structure of the principal part, showing the repair structure of the conventional corrugated roofing material. It is the perspective view of a bracket which shows the repair structure of the conventional corrugated roof material.

Explanation of symbols

14 Corrugated roof material 21 Mountain-shaped metal member 21a Fitting recess 21b Thick part 22 Valley-shaped metal member 22a Fitting protrusion 22b Thick part 23 Terminal-shaped metal member 23a Fitting recess 23b Contact part 23c Thick part 24 Valley-shaped metal member for terminal 24a Fitting convex part 24b Contact part 24c Thick part

Claims (12)

  It consists of a chevron-shaped metal member having a fitting part on both side edges and a trough-shaped metal member having a fitting part on both side edges, and alternately the chevron-shaped metal member and the trough-shaped metal member. A corrugated roof member characterized in that fitting portions formed on side edges of adjacent mountain-shaped metal members and valley-shaped metal members when fitted are formed into a corrugated shape.   A chevron-shaped metal member having a fitting recess that opens downward on both side edges, and a valley-shaped metal member that has a fitting protrusion protruding upward on both side edges; And a corrugated concave metal member and a convex convex portion are engaged with each other, and the above-mentioned chevron-shaped metal member and trough-shaped metal member are alternately arranged to form a wave. Shaped roof member. A chevron-shaped metal member having a fitting recess that opens downward on both side edges, and a valley-shaped metal member that has a fitting protrusion protruding upward on both side edges; And the engagement concave portion and the engagement convex portion of the valley-shaped metal member are engaged with each other so that the mountain-shaped metal member and the valley-shaped metal member are alternately arranged to form a waveform, and one end has a peak The mold-shaped metal member has a valley-shaped metal member disposed at the other end, and the mountain-shaped metal member at one end and the valley-shaped metal member at the other end are formed in a shape that can be polymerized with each other. Corrugated roof member.   The corrugated roof member according to claim 1, wherein an irregular surface for irregular reflection is formed on at least the upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member.   The corrugated roof member according to claim 1 or 3, wherein a coating treatment for irregular reflection is applied to at least an upper surface side of the mountain-shaped metal member and / or the valley-shaped metal member. .   The fitting position of the fitting concave portion and the fitting convex portion of the mountain-shaped metal member and the valley-shaped metal member has been moved upward from the neutral axis. The corrugated roof member as described.   The corrugated roof member according to any one of claims 2 to 6, wherein an outer side surface of the fitting recess of the mountain-shaped metal member is formed vertically.   The thickness in the vicinity of the ridgeline of the chevron-shaped metal member and the thickness in the vicinity of the troughline of the valley-shaped metal member is thicker than other portions. Corrugated roof material.   The corrugated roof member according to any one of claims 1 to 8, wherein each metal member is formed by extrusion molding of an aluminum alloy.   The corrugation according to any one of claims 1 to 9, wherein the corrugated metal member and the trough-shaped metal member are bent in a direction orthogonal to a ridge line and a trough line. Roofing material.   The corrugated roof material according to any one of claims 1 to 10, wherein a roof plate cover material fitted to a shoulder portion formed in the vicinity of a ridge line of the mountain-shaped metal member is attached. . After removing the repaired portion of the nose tip of the existing slate roof, the slate roof is constructed by overlapping the corrugated roof material of claim 10 or 11 on a part of the remaining slate roof. Repair method.

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