KR100441965B1 - Prefabricated Water Proofing System for the Roof Slab - Google Patents

Abstract

Instead of conventional waterproofing methods to prevent flat roofs of reinforced concrete slabs from leaking out, they can be prefabricated like tile roofs or slate roofs.

Even if the roof seal is about 1/100, the ditch is made of a material such as polyethylene and connected to the gutters at suitable lengths and widths, and rainwater will not leak. The basic concept of the present invention is to arrange a four-legged dining table bottom plate 10 on the lid of the square box and use it as a roof floor finish, and to match the seam with the ditch below to receive the leaking water. .

Since the joints between the bottom plates 10 are filled with the caulking material in the caulking gaps 13, it is normal that rainwater flows directly from the bottom plate 10 to the main trenches 20. However, if the caulking material loses its function and the water leaks, the amount of flowing water is not high, so the heavy rain 40 and the secondary ditch 60 will not overflow even in a heavy rain.

The main ditch 20 and the middle ditch 40 are installed in accordance with a predetermined water droplet so that the rainwater flows smoothly in the direction of the main trough 25 using the main ditch fixing device 30 and the middle ditch fixing device 50. The joints of the ditches shall be field welded. In addition, the mutual joint at the point where the main groove 20, the middle groove 40, the secondary groove 60 and the like meet in a direction change is also welding.

If the main ditch 20 is overflowed or the bottom plate 10 is partially damaged and the order fails, the roof slab 70 and the waterproof paint 71 are applied to the roof slab 70 to temporarily exhibit a waterproof effect. This is the same as attaching asphalt felt to tile bases on tile roofs.

The water in the main trough 26 is combined with the water of the main trough 25 to receive the water collected in the main drain system of the upper portion to be connected to the secondary trough 27. On the other hand, if the crotch leaf or garbage accumulates in the main ditch 20 and the water hole 23 is clogged, the overflowing water is directly connected to the floating gutter 27 through the overflow pipe 24.

The ferro cemento plate 11 is made of ferro cemento, which is also used for ship construction because of its watertightness. Ferro cemento plate (11) is a cement product, but the properties are different from ordinary reinforced concrete is a high-quality material having a strong strength not only compressive force but also tensile strength, bending and impact. Female screw steel pipe 15 is integrally attached to the bottom plate 10 to adjust the height by turning the adjustment bolt 16, and the upper adjustment bolt 16 is also attached to the bottom plate (top) bottom plate (10) 10) There is a bolt hole (14), and when the height adjustment is finished, seal it with a sealant or stopper to prevent water birds. However, this hole is used as a screw hole for fixing the handle by removing the sealant or plug when the bottom plate 10 is replaced.

Description

Prefabricated Water Proofing System for the Roof Slab}

The most important function of the roof is to prevent rainwater. Nevertheless, the reinforced concrete roof slab 70 is recognized as if it is rather natural that the rain leaks, and there are rare buildings that do not leak until the end of the life of the building.

This is because the conventional method of waterproofing roof slab 70 is divided into infiltration waterproof and sheet waterproof. The former is directly connected to leakage when the parent roof slab 70 cracks, and the latter is theoretically excellent in waterproof effect. The reality is that it seems, but it is not.

The reason for the analysis is that the sheet itself has a lot of deformation absorbing ability, but in the situation where it must be changed from 0 to the crack width locally only in the cracks which are narrow gaps when pressed and confined by the waterproof protective layer, the sheet can not be used torn. It seems that losing is the reason.

On the other hand, if there is no measure to protect it after waterproofing, the durability is not guaranteed. This waterproofing layer acts as a water barrier when the waterproofing layer is damaged, which helps to stagnate water and seep water into the damaged part. Since the waterproof protective layer is burdened due to the structural strength, it may be a factor in the increase of construction cost. In addition, when waterproofing the roof slab 70 after the waterproof protective layer must be given a minimum amount of water, the higher thickness of the waterproof protective layer is an additional burden on the structure.

Another thing to note is that because the waterproof protective layer is applied directly to the waterproof layer, there is an uneven stress caused by temperature change between the waterproof layer and the structure, causing cracks. It is mandatory to prepare.

However, since the expansion joint is a factor causing the concentrated stress in the above-described waterproofing layer, defects occur.

If a water-resistant defect occurs due to some of the above factors, it is not only a repair of the part directly above the water leak, but also a great burden because it needs to be repaired entirely. The removal of the waterproof layer and the waterproof protective layer not only produces noise, vibration and dust, but also negligible waste disposal costs, so it is generally repeated to waterproof the existing waterproof layer and to place the waterproof protective layer on it again. . This increases the burden on the roof frame and finally leads to dangerous conditions for structural safety.

In addition, since there is only a thin waterproof layer between the waterproof protective layer and the structure, there is a disadvantage in that the cooling load is increased because it receives the hot sunlight in summer and transfers the structure without filtration.

Therefore, it is necessary to study the conventional roof waterproofing method and other prefabricated roof waterproofing method.

The present invention focuses on showing the perfect function without leaking for a long time even though the joints of the roof tiles or the slats are not closely adhered to each other in the conventional roof tiles or the slats roof, so that even in the flat roof slab 70, the order effect can be easily assembled. Here's how to get it. The reason why the water does not leak to the ceiling even though some cracks are broken or due to the rain is caused by the rain, the water does not stagnate for a long time and flows over the asphalt felt. And blocking the UV with the bottom plate 10 has the advantage of not connecting to the fountain as well as a slight waterproof.

Incidentally, the thermal insulation and noise blocking effect can be expected by placing the air layer in the middle instead of the conventional waterproofing method in which the waterproof layer is in close contact with the structure.

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1 is a plan view of a prefabricated roof waterproofing system.

1A is a perspective view of a unit bottom plate 10.

1B is a cross-sectional view of the unit bottom plate 10.

1C is a plan view of the carrier plate 18.

2 is a cross-sectional view of a prefabricated roof waterproofing system.

3 is a plan view of the main trench 20, the middle trench 40, and the secondary trench 60 assembled.

4 is an enlarged cross-sectional view of a portion in which the main groove 20 is assembled.

4A is a plan view of the main trench fixing device 30.

5 is an enlarged side view of the middle groove 40 assembled.

5A is a plan view of the middle groove 40 assembled.

5B is an enlarged cross-sectional view of the secondary trench 60 assembled.

<Short description of the symbols in the drawings>

10: bottom plate

11: Ferro Cemento Edition

12: cutting off water

13: caulking gap

14 bolt hole

15: female thread steel pipe

16: adjusting bolt

17: bolt foot

18: carrier plate

19: reinforcing wire mesh

19a: insulation

20: main ditch

21: drip wall

22: fixed nail

23: water hole

24: overflow pipe

25: main gutter

26: middle gutter

27: secondary gutter

30: main ditch fixture

31: main support plate

32: main reinforcement plate

33: main plastic anchor

34: main bolt

35: main adjustment nut

40: ditch

50: ditch lock

51: middle support plate

52: heavy reinforcement plate

53: Heavy Plastic Anchor

54: heavy bolt

55: out of adjustment nut

56: middle horizontal plate

57: middle vertical plate

60: second groove

70: roof slab

71: waterproofing paint

80: parapet

As shown in FIG. 4, the groove trough 26 is inserted into the hole drilled in the roof slab 70 so that if water flows into the roof slab 70 incorrectly, the water may flow down to the secondary trough 27. do. Inserting the overflow pipe 24 to the parapet 80 also to prevent the main ditch 20 from overflowing even if the water hole 23 is blocked in this case.

As shown in Figs. 3, 4 and 5, the roof slab 70 is drilled and embedded with the main plastic anchor 33 and the heavy plastic anchor 53, and the main bolt 34 and the heavy bolt 54 are embedded. After the roof slab (70) the bottom surface is a minimum waterproof measures such as waterproof paint (71).

The main trough 20 can be drilled with water holes 23 at suitable intervals to weld the main trough 25, and the overflow trough 24 can be fitted into the main trough 20, the drip wall 21 and the parapet 80. Make a hole to connect. The main ditch fixing device 30 catches the level with the main adjustment nut 35 so that the water in the main ditch 20 flows smoothly into the main trough 25. The drip wall 21 of the main trench 20 is attached to the parapet 80 with a nail 22.

As shown in FIG. 5, the middle trench 20 is leveled with the middle trench fixing device 50, and the end is welded to the main trench 20, and the secondary trench 60 is placed on both ends of the middle trench 40. Drainage construction is completed by doing.

Water of the main trough 25, which is the final drain of the drainage channel, is delivered to the secondary trough 27, and the water overflowing the main trench 20 is drained to the secondary trough 27 via the overflow pipe 24.

In FIG. 1A and FIG. 1B, the main material of the bottom plate 10 is a Ferro Cemento product, which is a special material made of cement mortar and reinforcing wire mesh 19.

This material is compact, has low absorption rate, high durability, and unlike reinforced concrete, it is also strong in tensile strength, bending characteristics, and impact, thus having sufficient requirements for exterior flooring materials. In addition, since the thickness of the bottom plate 10, the first plate is light, the weight is thin, but the load capacity is large, so that it does not burden the lower structure and is easy to carry and assemble.

The standard size of the bottom plate 10 is 1,200mm * 900mm, but according to the shape and size of the roof slab 70, the end can be made in a special standard, such as trapezoidal sculpture pieces. The ferro cemento plate 11 is provided with a heat insulating material 19a on the lower surface thereof, and a caulking gap 13 for preventing water from leaking into the connection gap with the other bottom plate 10 on the outer side thereof. Turn the water cut (12) to easily fall into the ditch (40) and the second ditch (60). This water breaking 12 also serves to reinforce the bottom plate 10.

Four legs are attached to each floor plate 10 in accordance with the water, and the female threaded steel pipe 15 welded to the bearing plate 18 is manufactured integrally with the ferro cimento plate 11. The top of the adjusting bolt 16 with the bolt foot 17 is provided with a screwdriver-turnable groove, which allows the adjusting bolt 16 to be adjusted by turning the adjusting bolt 16 through the upper bolt hole 14 of the bottom plate 10. . In addition, the four bolt holes 14 on the top of the bottom plate 10 is used to fit the handle when replacing or moving the bottom plate 10, usually closed with a sealant or stopper.

The caulking gap 13 is closed with a caulking material, but the caulking material lacks durability and should be repaired from time to time. However, even if water leaks by mistake, water is guided to the main trough 25 through the grooves 20, 40, and 60 provided in the lower portion, so that there is no fear of leakage.

The bottom plate 10 exhibiting a normal function flows rainwater directly into the main ditch 20 so that water does not normally flow into the middle ditch 40 and the sub ditch 60. Furthermore, the roof slab 70, the upper waterproof paint 71 and the heavy gutter 26 and the overflow pipe 24 is a spare because it is normal that there is no opportunity to contact the rainwater.

Attaching the heat insulating material 19a to the bottom of the bottom plate 10 may also help to insulate the roof slab and to block noise. In this case, condensation may be prevented due to the difference in temperature of the bottom on the bottom plate 10.

It is to prevent the dew condensation and winter freezing to make the grooves 20, 40, 60 material of polyethylene instead of metal plates.

The effect of the prefabricated roof waterproofing

1. As it is prefabricated, parts can be replaced in case of partial breakage, and unlike the conventional method, no trouble such as removing the waterproof layer is needed.

2. Since the bottom plate 10 and the roof slab 70 are isolated, the generation of stress resistance due to the difference in the outside air temperature is reduced, thereby increasing the durability of the floor plate 10 or the roof slab 70 and the intermediate air layer. Will act as an exclusion and noise barrier to prevent temperature transfer from direct sunlight.

3. Rainwater spillage is constructed by firstly establishing a line of defense such as a bottom plate (10), a second groove (20, 40, 60), a third roof roof slab (70), and finally a overflow pipe (24). Work disappears.

4. If the gutter is clogged by the leaves or garbage, the main ditch 20 overflows due to the ponding effect, and sometimes it is dangerous to apply excessive load to the structure. The overflow tube 24 serves as the final safety valve.

5. Conventional waterproof protective layer is light weight concrete, lacking durability and rough surface, but the bottom plate 10 is firm, dense and beautiful.

6. It is more durable than the conventional waterproofing method, and the weight of the waterproof protective layer is reduced to the structure.

7. Even if a rain leak occurs, some floor plates 10 are lifted up and inspected, so that the cause can be found, so it is easy to repair.

8. The upper floor plate 10 can also be used for basement floors and kitchen floors.

Claims (6)

Installing the bottom plate 10 on the roof slab 70 of the flat roof to form a main trench 20 between the bottom plate and the parapet 80; In the bottom plate 10, the sub-ditch 60 is configured in a direction perpendicular to the middle ditch 40 and the middle ditch 40 in the same direction as the main ditch 20; The main ditch 20 and the middle ditch 40 allow the rainwater to drain in the direction of the main trough 25 by using the main ditch fixing device 30 and the middle ditch fixing device 50; The water overflowing the main groove 20 is configured to drain to the secondary trough 27 through the overflow pipe 24 before flowing to the roof slab; Even if the bottom plate 10 is broken or the grooves 20, 40, and 60 are broken and rainwater flows into the roof slab 70, water leaks using the waterproofing paint 71 and the heavy gutter 26 of the roof slab. Prefabricated roof waterproofing system characterized in that the connection to the secondary trough (27) The bottom plate (10) is a polygonal plate of a ferroc-mento plate (11) having a heat insulator (19a) attached to its lower surface, and is composed of a caulking gap (13) and a water break (12) around its outermost edge. ; The lower part of the bottom plate 10 is a prefabricated roof waterproof, characterized in that it is installed on the roof slab 70 by integrally a plurality of legs consisting of the female threaded steel pipe 15, the bolt foot 17, the adjustment bolt 16. system 2. The main trench fixing device (30) according to claim 1, wherein the main trench fixing device (30) comprises a rectangular metal plate of the main reinforcing plate (32) and the main supporting plate (31); The main support plate 31 is a prefabricated roof waterproofing system, characterized in that the main bolt 34 and the main adjustment nut 35 is integrated with the roof slab 70 to adjust the height of the main groove 20. 2. The heavy groove fixing device 50 according to claim 1, comprising a trapezoidal metal plate of a middle support plate 51, a middle reinforcement plate 52, a middle horizontal plate 56, and a middle vertical plate 57; The heavy horizontal plate 56 is a prefabricated roof waterproofing system, characterized in that the height of the middle groove 40 is adjusted by integrating the roof slab 70 with the heavy bolt 54 and the heavy adjustment nut 55. delete delete