JP2012241411A - Roof greening system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roof greening system which: is light in weight to enable the same to be installed on a roof in a stable state regardless of a type of the roof; and has an excellent heat insulation effect as well as a water storage function.SOLUTION: A roof greening system: places and fixes a plurality of base materials, which receive movable load, on a roof surface in a direction orthogonal to an inclination direction of a roof; attaches the plurality of joint fittings to a grating frame having predetermined dimensions; fixes a protection board and a corrugated plate on the grating frame in this order; continuously fixes a predetermined number of greening devices, having the plurality of fixtures to fix a vegetation base mat on the grating frame, to the base materials; closes both edge portions with waterproof sheets and verge boards; provides the greening devices with a water storage function at valley portions of the corrugated plate; and places and fixes the greening base mat on the greening device.

Description

  The present invention relates to a roof greening system for roof greening.

In recent years, urbanization has progressed and the heat island phenomenon and global warming have become problems.
Therefore, a technique for greening the rooftop and the roof for the purpose of suppressing the rise in indoor temperature and improving the landscape has been attracting attention, and buildings equipped with greening structures are increasing in urban areas.

  For example, in the greening facility disclosed in Patent Document 1 as a publicly known technique for installing a greening facility on a roof surface, the top surface has a substantially flat mounting surface for receiving a load load, and the longitudinal direction of the top of the mountain portion of the folded plate roof. A green roof of a folded-plate roof comprising a plurality of joist frames fixedly installed along a plurality of joists, a substantially flat mesh member laid and fixed over the joist frames, and a planting layer provided on the mesh member Equipment is disclosed.

JP 2007-181470 A

  By the way, regarding the roof greening facility, a net-like member is formed on the folded plate roof, and a vegetation base mat is placed thereon, or a drainage mat and a vegetation base mat are placed in this order on the net-like member. Although it is a method of constructing roof greening, these mats have good water permeability and air permeability, and conversely, water retention is poor and plants may die.

  The present invention is proposed in view of the above problems, and relates to a roof greening system in which a greening device is laid on a roof, and has a vegetation base mat on which plants can grow for a long period of time and a water storage function essential for growth. Providing a lightweight roof greening system that can be easily and stably placed regardless of the type of roof, without sliding down due to vibrations such as earthquakes or scattering by strong winds.

In the case of a folded-plate roof, a plurality of bolts that join the folded-plate roof members protrude in a row at a predetermined location on the top surface of the top of the folded-plate roof where the peaks and valleys are continuously arranged. Yes. A plurality of square bars are placed in a direction perpendicular to this protruding bolt row, and a fastener is installed in the form of an arbitrary number of protruding bolts to hold the square bar, the protruding bolt side is fixed with a nut, and the square bar side is A base material for installing the greening device is formed by fixing with screws or the like.

A greening device in which a plurality of fittings are attached to a grid frame of a predetermined size, the upper surface of the frame is covered in the order of a protective panel and a corrugated plate, fixed to the frame, and a plurality of fixtures for fixing the vegetation base mat are formed on the grid frame. The required number of slabs are connected and fixed to the base material, and both ends of the connected greening device are closed with a waterproof sheet and a windbreak plate, and a vegetation base mat is placed on the green plate having a water storage function in the troughs of the corrugated plates. Fixed roof planting system.

  Further, in the above greening device, both ends of each corrugated plate are closed with a caulking agent or the like, and a required number of greening devices in which water retaining ropes capable of storing water are arranged in each valley are connected and fixed to the base material. A roof planting system in which both ends of the planting device are closed with a waterproof sheet and a windbreak plate, and a vegetation base mat is placed and fixed thereon to plant lawn, sedum, and the like.

  In the above greening device, a roof greening system in which a vegetation base mat is placed and fixed to each greening device, and a required number of the mats are connected and fixed to a base material, and both ends of the connected greening device are closed by a blast plate.

In order to cover the roof ridge with the greening device, the grid frame is divided into two parts in the longitudinal direction, and a gap is formed in the central part. A roof planting system with a greening device mounted and fixed in order, covering the ridge in a curved shape, and mounting and fixing a vegetation base mat.

  The space between the grid frame of the greening device installed on the roof surface and the roof surface, the gap formed inside the plastic corrugated cardboard used as a protective board, and the heat insulation effect due to the greening of the vegetation base mat cools in summer In winter, the roof greening system is ideal as an ecosystem for prefabricated houses and temporary houses that can keep warm.

  In addition, the roof greening system, which is made of a relatively inexpensive material, enables roof greening at a lower price than the conventional price, and can store water in the valleys of the corrugated plate so that it remains dry for a long time. It is a roof planting system that does not have to worry about the planted plants withering. In addition, the greening equipment made of lightweight materials such as plastic corrugated cardboard is connected and fixed with joint fittings, and does not slide down due to scattering due to strong winds or earthquakes, etc. It is a roof greening system that is highly likely to be used as well.

It is explanatory drawing which shows the state which mounted and fixed the several square bar on the roof surface. It is explanatory drawing which shows the lattice framework of a greening apparatus. It is explanatory drawing which shows a basic frame. It is explanatory drawing which shows a greening apparatus. It is explanatory drawing which shows the tree planting device which arranged the water retention rope. It is explanatory drawing of the greening apparatus which can be bent. It is explanatory drawing of the overlap margin of the planting base mat fixing tool and the adjacent greening apparatus. It is explanatory drawing which shows the state which fixes a vegetation base mat to a tree planting apparatus. It is sectional drawing which shows the tree planting apparatus installed on the folded-plate roof surface. It is a completion drawing of the roof tree planting system which enclosed the right and left ends of the tree planting apparatus installed on the folded-plate roof surface with the waterproof sheet and the windbreak board.

  Hereinafter, although it demonstrates based on embodiment of this invention, it is not limited to the following embodiment.

In the embodiment, a greening device is installed on the folded-plate roof surface, and FIG. 1 shows a predetermined interval on the top surface of the mountain portion 2 in which the mountain portions and the valley portions of the folded-plate roof 1 are alternately arranged. A plurality of bolts 3 for joining the folded-plate roof member protrude. A plurality of square members 4 orthogonal to the three rows of projecting bolts are placed at a predetermined interval, a stopper 5 for holding the square members 4 is arranged at an arbitrary number of projecting bolts 3, and the projecting bolt side is a nut 6. It is explanatory drawing which forms the base material which fixes the side with the wooden screw 7 grade | etc., And installs a greening apparatus on a folded-plate roof surface.

  The fastener is provided with a hole at the end that can be fixed with a nut to the projecting bolt part such as a folded-plate roof, bent into a L shape from the part where the square material hits, folded at 90 degrees on the upper part of the square material, and held on the top surface with screws etc. This is a fastener made of a corrosion-resistant material such as a stainless steel plate or an aluminum plate having a standard dimension in which a hole for fixing is formed on the upper surface.

  The square timber laid on the roof is made of easy-to-process wood, and is wide enough to place the grid frame of the greening device and the grid frame of the adjacent greening device, and is several centimeters higher than the protruding bolt. Are fixed at predetermined intervals.

FIG. 2 shows a lattice frame 8 that forms a greening device, which has a standard dimension of 178 cm in width and 61 cm in length, and is used as a framework for receiving a load of a corrugated sheet or a vegetation base mat placed on the frame. A crosspiece 9 is attached to partition the frame at intervals of 45 cm to form a lattice frame 8. In order to connect the lattice frames, joint fittings 12 are attached to the horizontal frame tree 10 and the vertical frame tree 11 in the connection direction. The number is two for the horizontal frame and one for the vertical and horizontal trees, and is fixed at a position where the balance of the supporting force is achieved.

In order to reduce the loading load, this lattice frame is formed by using a 3 cm × 4 cm square wood that is light and easy to process as a standard material, and a size of 4 to 5 planting devices as one unit. By doing this, it is a lattice framework that can reduce the cost by reducing the number of frame materials, and at the same time, the construction time on the roof surface can be shortened.

  In addition, the fittings to be attached to the lattice frame are processed into a U-shape with a width and height that can store two square timbers with a lightweight aluminum plate that is not easily corroded, This is a joint fitting 10 in which a plurality of holes that can be fixed with screws or the like are formed in the bottom surface portion. By connecting and fixing the lattice frame in contact with the base material with this joint metal, the frame is integrated, and is a joint metal that prevents the lattice frame from scattering or sliding off due to vibration or strong wind.

FIG. 3 shows a basic frame on which the upper surface of the lattice frame 8 is covered with a protective plate and the corrugated plate having a water storage function is placed on the lattice frame in a stable state. The protective board is a lightweight, water-resistant plastic cardboard 13 having strength in the vertical axis direction. The direction of the vertical frame trees 11 and 9 of the lattice frame 8 and the vertical direction of the plastic cardboard 13 is parallel to the vertical direction of the plastic cardboard 13. Let it be a base frame which is fixed to the upper surface part, and is mounted in such a manner that the crests and troughs of the corrugated sheets to be placed cross the longitudinal direction of the plastic cardboard 13.

Plastic corrugated cardboard fixed to the lattice frame improves the heat insulation effect of the greening device due to its hollow structure, and is lighter and more water-resistant than the flat board, excellent in strength in the vertical axis direction, strong in weight, It is ideal as a greening material for roofs with severe restrictions.

  FIG. 4 shows that the corrugated sheet 14 is overlapped in the direction in which the trough crests cross at a right angle in the vertical axis direction where the strength of the plastic corrugated cardboard fixed on the foundation frame is high, and the overlap margin is formed in the direction where the joint fitting 12 is not formed. Installed and fixed, fixed to the frame of the foundation frame and the pier with wood screws 7 etc., covered the head of the wood screw with caulking agent to prevent inundation into the foundation frame, and placed the vegetation base mat The greening device 15 to be used.

  The greening device is fixed by passing wood screws etc. through the hole provided in the bottom part of the joint fitting to the base material laid and fixed on the roof surface, and fixing the base material and the planting device to the hole provided on the side wall surface of the joint fitting. The adjacent greening device is connected and fixed through a screw or the like. The greening device is arranged by inserting a planting device frame in the direction in which the plastic cardboard stacking margin is formed in the direction in which the joint bracket is formed into the joint bracket, and applying a caulking agent to the stacking margin portion.

  The corrugated sheet of the revegetation device is a corrugated sheet made of lightweight resin that is not easily corroded, and the corrugated sheet is covered with a caulking agent, so that rainwater is stored in the valley and laid on the corrugated sheet. It is possible to give water to the plant through the vegetation base mat.

5, in addition to the greening device 15 formed in FIG. 4, the valleys at both ends excluding the overlapping portion of each greening device 15 are closed in a bank shape with a caulking agent or the like. It is arranged so as to fill the valley with a water retaining rope 17 to which water moss or the like having water absorption ability is attached, and each of them is a greening device having a water storage function. The greening apparatus which connects and fixes to the base material laid and fixed to is shown. These roof greening systems constructed using the greening device shown in FIGS. 4 and 5 do not need to be artificially sprinkled with water necessary for plants by providing irrigation equipment, and can naturally supply water to plants. It is.

FIG. 6 shows a greening device 15 that can cover a roof ridge portion in a curved shape in accordance with an angle inclined left and right. First, the vertical frame tree 11 and the crosspiece 9 of the lattice frame 8 shown in FIG. 2 are vertically divided into two at the center, and the length of the divided vertical frame tree 11 and the crosspiece 9 is cut into a shape that is shortened by about 5 cm. The center part is a bright frame with an interval of about 10 cm.

  Plastic corrugated cardboard is placed on the surface of the bifurcated lattice frame in such a direction that the cross-sectional structure direction of the plastic corrugated cardboard is parallel to the vertical frame and the crosspiece, and is bonded and fixed with an adhesive to integrate the frame. A greening device that can be bent from the center in the longitudinal direction by placing a corrugated plate with several centimeters on top of this, fixing it to the frame with wood screws, etc., and covering the wood screw head with a caulking agent And

FIG. 7 shows a state in which the fixture for the vegetation base mat placed on the tree planting apparatus and the corrugated sheet are overlapped. The fixing tool 18 has about 4 fixing bolts 18a per greening device, penetrates the frame tree from the specified position of the lattice frame, penetrates the peak portion of the plastic corrugated cardboard 13 and the corrugated plate 14, and has a thickness of 2 to 5 cm. The fixing bolt 18a having a length obtained by adding the tightening nut thickness to the vegetation base mat thickness is penetrated. Cover the packing 18b with a caulking agent so that no water leaks from the position of the bolt protruding from the crest of the corrugated plate, and tighten it so that it is sandwiched between the nut 6 and the crest. Secure to the greening device.

When multiple greening devices are placed in the greening range, a hole 17 through which the bolt passes is formed in advance at the specified position of the overlap allowance so that water such as rainwater does not leak from the gap between adjacent greening devices. Fix the device with fixing bolts so that there is no gap in the device, lay the greening device sequentially, cover the stacking allowance 20 with caulking agent, and store water in the trough of the corrugated plate without water leaking from the corrugated plate to the lower part Is possible.

  FIG. 8 is an explanatory diagram for laying and fixing the vegetation base mat 21 on the tree planting device 15 placed in the specified range. The vegetation base mat 21 to be laid is made of a base material (cocopyt, peat moss, water moss, moss, light weight and high water-retaining capacity on top of each other, in which a polyethylene raschel net sheet and a polyester non-woven fabric are laminated in order. Bark compost, mixed soil of black soil with organic fertilizer, chemical fertilizer, slow-acting fertilizer added artificial soil) 4cm-10cm thick, compressed into 2cm-5cm thick base soil, on which non-woven rayon, The upper part is formed by overlapping the polyethylene raschel net sheets in order, and the bottom part and the upper part are integrated, and the movement of the base soil in the mat is suppressed. Vegetation base mat.

  A bolt cover 22 having a sharp tip for penetrating the vegetation base mat 21 is attached to the fixing bolt 18a protruding while laying the vegetation base mat so as to cover the greening device, and the bolt cover is passed through the mat by pressing the vegetation base mat. The washer 18c is passed through a bolt head having a fixing bolt penetrated through the vegetation base mat, and is fastened with a nut 6 to the mountain portion of the greening device. Water that has permeated the vegetation base mat is transferred to the valley 23. A greening device that can be stored.

  FIG. 9 is a cross section in which the greening device is installed on the folded-plate roof in the above procedure. Plants to be planted on the vegetation base mat are, for example, grasses such as Korean turf for 5 cm thick mats, ground cover plants such as sardine grass for 3 cm thick mats, and sedum etc. for 2 cm thick mats. This is a roof planting method in which succulent plants are planted, and it is cool in the summer due to the heat insulation effect of the planting plant and the planting device, and can be kept warm in the winter.

  FIG. 10 shows the outer end of the greening device 15 installed on the roof surface of the left and right wife side ends among the greening devices 15 installed on the folded plate roof 1 in the order of the waterproof sheet 24 and the windbreak plate 25. Then, fix it to the framework of the base material and the greening device with wood screws. This is a roof greening system in which water is dammed from the left end and right end of the corrugated plate by a waterproof sheet, and water can be stored in the valley.

  The above example is greening on folded plate roofs and slate roofs with protruding bolts, but even on roofs such as tile roofs and iron plate fences, the base material is fixed to the roof surface using snow stoppers, etc. Roof greening is possible by installing a greening device on the top, and when building a shed such as a storeroom, the greening roof is installed by installing a greening device instead of a field board or tile that forms the roof surface. It is also a roof greening system that can form.

  The roof greening system, which is made of a relatively inexpensive material, enables roof greening at a lower price than conventional prices, and can store water in the valleys of the corrugated plate, reducing water management costs. It is a roof planting system where there is no worry that the planted plant will wither even if it is dry for a period. It is also a roof greening system that is highly likely to be used as a greening system on existing building roofs where load restrictions are severe.

DESCRIPTION OF SYMBOLS 1 Folded plate roof 2 Mountain part 3 Bolt 4 Square member 5 Fastening metal 6 Nut 7 Wood screw 8 Lattice frame structure 9 Crosspiece 10 Horizontal frame tree 11 Vertical frame tree 12 Joint metal fitting 13 Plastic corrugated cardboard 14 Corrugated sheet 15 Greening device 16 Levee 17 Water retaining rope 18 Fixing tool 18a fixing bolt 18b washer 18c washer 19 hole 20 stacking margin 21 vegetation base mat 22 bolt cover 23 valley 24 waterproof sheet 25 windbreak plate

Claims (4)

Place and fix multiple base materials that receive the load on the roof surface at right angles to the inclination direction, attach multiple joint brackets to the lattice frame of a predetermined size, and fix the protective panel and corrugated plate in this order on the top surface of the frame The required number of greening devices with a plurality of fixtures that fix the vegetation base mat are formed in a lattice frame, and are fixedly connected to the base material. Both ends are closed with a waterproof sheet and a windbreak plate, and the corrugated plate has a water storage function. A roof planting system characterized by a vegetation base mat placed and fixed on a planting device. The roof tree planting system according to claim 1, wherein in the tree planting apparatus, both end portions of each corrugated sheet are closed and a water retaining rope is arranged in each valley. In the said greening apparatus, the vegetation base mat is mounted and fixed on each corrugated board, The roof greening system in any one of Claim 1 to 2 used as the water storage type greening apparatus.   In order to cover the roof ridge with the greening device, the lattice frame is divided into two parts in the longitudinal direction, and a gap is formed in the central part. The roof tree planting system according to claims 1 to 3, wherein a greening device mounted and fixed in order is used as a specification, the ridge is covered in a curved shape, and a vegetation base mat is mounted and fixed.