CN110821023A - Villa flat tile large-gradient inclined roof construction method - Google Patents
Villa flat tile large-gradient inclined roof construction method Download PDFInfo
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- CN110821023A CN110821023A CN201911194900.3A CN201911194900A CN110821023A CN 110821023 A CN110821023 A CN 110821023A CN 201911194900 A CN201911194900 A CN 201911194900A CN 110821023 A CN110821023 A CN 110821023A
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- 239000004567 concrete Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000009415 formwork Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 62
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
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- 238000009434 installation Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
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- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses a villa flat tile large-gradient inclined roof construction method, which comprises the steps of carrying out BIM modeling on a building, cutting the whole roof into a plurality of rectangular blocks, and determining the sizes and positions of beams and columns; according to the BIM modeling result, building a roof formwork support and binding roof reinforcing steel bars, manufacturing a multi-gradient concrete belt as a lower baffle foot for roof concrete pouring, positioning and pre-embedding a nail holding layer, ensuring that the nail holding layer extends out of a heat insulation layer, and pouring roof concrete according to the concrete belt in a bin-type manner; sequentially carrying out roof waterproof construction and heat insulation layer construction; the method comprises the steps of optimizing the typesetting of the water distribution strips and the battens by utilizing a BIM technology, positioning and constructing the water distribution strips and the battens, designing the vertical typesetting and lofting of tiles in advance by using a BIM, processing slots and hanging pieces according to the positions of embedded nails, and selecting the optimized tiles to be sequentially installed on the battens. The method has high construction efficiency, improves the pouring quality and the waterproof performance, avoids roof water leakage and has good practicability.
Description
Technical Field
The invention belongs to the field of house construction engineering construction, and particularly relates to a construction method of a flat-tile large-gradient inclined roof of a villa.
Background
At present, the construction of a flat tile large-gradient inclined roof of a villa has the following problems: 1) the binding of the lap joint steel bars of the prefabricated roof panel and the reserved steel bars of the beam is limited by space and is not easy to operate, the steel bars of the beam panel are dense, the difficulty of formwork erecting, concrete pouring and vibrating is high, the construction period is long, the quality problems of cracks and the like easily occur at the post-pouring part, and the waterproof effect of the roof cannot be ensured; 2) the large-gradient inclined roof concrete construction forming quality is poor, roof leakage is easy to cause, the roof tile hanging construction quality is not uniform, the roof tile installation, lap joint and buckle seam are not tight, the roof tile forming quality is affected, and rainwater leakage points are easy to appear.
Disclosure of Invention
The invention aims to provide a villa flat tile large-gradient inclined roof construction method which is high in construction efficiency, capable of improving pouring quality and waterproof performance, capable of avoiding roof water leakage and good in practicability.
The technical scheme adopted by the invention is as follows:
a villa flat tile large-gradient inclined roof construction method comprises the following steps:
s1, building BIM modeling is carried out, the whole roof is cut into a plurality of rectangular blocks, and the sizes and the positions of the beams and the columns are determined;
s2, building a roof formwork support and binding roof reinforcing steel bars according to BIM modeling results, manufacturing a multi-gradient concrete belt to serve as a lower blocking foot for roof concrete pouring, positioning and pre-embedding a nail holding layer, ensuring that the nail holding layer extends out of a heat insulation layer, and pouring roof concrete according to the concrete belt in a bin-type manner;
s3, sequentially carrying out roof waterproof construction and heat insulation layer construction;
s4, optimizing typesetting of the water guiding strips and the tile hanging strips by utilizing a BIM technology, positioning and constructing the water guiding strips and the tile hanging strips, carrying out BIM vertical typesetting and lofting design on tiles, processing slotted holes and hanging pieces according to positions of pre-embedded nails, and selecting optimized tiles to be sequentially installed on the tile hanging strips.
In step S2, when erecting a roof formwork support, a combined formwork support mode of a formwork support, a U-shaped support, primary and secondary wood keels and a wood plywood is adopted; when the concrete belt is manufactured, the front side and the rear side of the concrete belt are chiseled and cleaned.
In step S3, when performing roof waterproofing, firstly, leveling layer construction is performed, then the surface of the base layer is cleaned and repaired, then the base layer treating agent of the bottom layer is sprayed, then a coating additional layer is provided to a certain position, then the waterproof coating of the second layer is coated and the carcass addition material is laid, then cleaning and checking repair are performed, and finally, protective layer construction is performed.
Furthermore, the parts provided with the coating additional layer comprise a cornice, a joint of a gutter and a roof, a joint of a plane and a vertical plane of the roof, a water falling port and a root part extending out of a pipeline of the roof.
Furthermore, when the base layer treating agent of the bottom layer is sprayed and the waterproof coating of the second layer is coated, the base layer treating agent and the waterproof coating of the second layer are coated from the ridge to the eave, but the coating direction of the second coating film is vertical to that of the first coating film.
In step S3, when the heat insulation layer is constructed, the roofing heat insulation board is laid by a point bonding method, the heat insulation boards are staggered, the surface of each heat insulation board is fully paved with the steel mesh and connected with the nail holding layer, and after passing the acceptance, the fine aggregate concrete pouring is performed to ensure that the heat insulation boards are neat and flat.
Furthermore, the heat-insulating plate is paved and matched around the roof outlet pipeline and the equipment foundation, the periphery of the water falling port is uniformly thinned to form a slope, and the joints at the positive and negative corners are tight.
In step S4, when the tile hanging strip is constructed, the vertical water guiding strip interval is correctly marked by the ink line, the ink line is flicked, then the horizontal tile hanging interval is tried to be hung, the tile hanging strip interval is popped up, the tile hanging interval is controlled, the water guiding strip is placed along the vertical ink line from the ridge to the eave on the basis of not cutting tiles, the water guiding strip at the ridge is firstly nailed, the tile hanging strip is placed from the eave to the ridge according to the size of the tiles, and the tile hanging strip and the water guiding strip are connected by welding.
In step S4, when installing tiles, the tile installation method includes leaving a space for the mortar to lie on the ridge tile from the left bottom to the left bottom, arranging the tiles from the left to the right, paying attention to the tiles at the left and right ends when the tile installation method is used to fill the first row, keeping the tiles at the raised positions of the corrugations, otherwise readjusting the position of the initial tile, overlapping the next tile with the previous tile along the groove, hanging the tile with the tile head raised object hanging member on the tile, hanging the tiles with the tile installation method, hanging nails into the concrete along the tile head reserved groove hole to fix the tiles, winding and fixing iron wires on the tile installation strips in each row, overlapping the tiles with the tiles in the first row in a staggered manner when laying the second row of tiles, constructing the tiles at the ridge from bottom to top, setting the mortar liner at the ridge over the roof, fixing the ridge tiles with cement mortar, and preventing the tile surface from being contaminated beyond the ridge tile head during construction.
The invention has the beneficial effects that:
because the roof has larger gradient, complicated modeling and thinner roof (only 120mm thick), the double-sided template cannot meet the construction and pouring requirements, cannot carry out vibration operation and has excessive counter-pulling bolt holes which easily cause water seepage hidden danger, when the roof concrete is constructed, the invention abandons the double-sided formwork to penetrate the counter-pulling bolts, adopts a concrete belt, effectively avoids the problems of easy segregation and difficult pouring when the large-gradient concrete is poured, saves the formwork and formwork stripping cost, reduces the risk of leakage points caused by the counter-pulling bolts, saves the construction period and the formwork cost and improves the construction efficiency.
The nail holding layer is embedded and extends out of the heat preservation plate top before concrete pouring, later-stage drilling bar planting during heat preservation construction is avoided, integrity of a roof waterproof layer is guaranteed, strength of the nail holding layer is improved, and the concrete pouring device is efficient and environment-friendly.
The BIM technology is utilized to optimize the typesetting of the steel water guiding strips and the tile hanging strips, the problem of unsmooth tile hanging line and high-low arcing is effectively solved, the roof tile line is smooth, and the whole body is attractive and elegant.
With the vertical typesetting laying-out design of BIM in advance of tile, carry out the processing of slotted hole and pendant according to the position of pre-buried nail, according to the slope of roofing, fix the tile on the battens of hanging, make whole roofing more firm, the drainage of rainwater is more effective.
Drawings
FIG. 1 is a schematic illustration of BIM modeling of a building.
Fig. 2 is a schematic diagram of designing a roof formwork according to a BIM modeling result.
Figure 3 is a distribution diagram of a roofing concrete strip.
FIG. 4 is a schematic diagram of the layout of the water bar and the battens on the roof by using the BIM technology.
Fig. 5 is a schematic view of the insulating layer embedded nail.
FIG. 6 is a schematic view of the processing of a tile.
Fig. 7 is a cross-sectional view of a roof.
Detailed Description
The invention is further described below with reference to the figures and examples.
A construction method of a flat tile large-gradient inclined roof of a villa comprises the following steps.
S1, as shown in figure 1, checking the overall size of the roof with various shapes according to the requirements of a design drawing, carrying out BIM modeling on the building (the modeling software can adopt sampling software), knowing the characteristics of the building, cutting the overall roof into a plurality of rectangular blocks, and determining the size and the position of the beam and the column.
S2, building a roof formwork support according to the BIM modeling result;
as shown in figure 2, a formwork supporting scheme of a formwork support, a U-shaped support, a 40-80 mm primary and secondary wood keel and a 12mm wood plywood is selected. The steel pipe material phi is 48 multiplied by 3.2, the step pitch is 1500mm, the top layer step pitch is 1000mm, the connector is suitable to stagger the jacking screw rod and can not leak more than 200mm, the connector is inserted into the steel pipe and can not be less than 150mm, and the distance between the top vertical and horizontal rods and the plate top can not exceed 500 mm. The full framing scaffold is characterized in that continuous cross braces are arranged from bottom to top in every 6-8m in the longitudinal and transverse directions at the periphery and inside of the outer side of a frame body, each cross brace spans not less than 4, the span angle is 45-60 degrees, and the formwork support adopts a single-layer formwork (the thickness of the plate is 130 mm).
S3, binding the roof reinforcing steel bars;
and (4) blanking reinforcing steel bars according to design files, drawing requirements and 16G101 drawing set standards, and selecting high-quality operation teams for positioning and paying off.
S4, constructing concrete;
because the roofing slope is great, the molding is complicated, the roofing is thick thin (only 120mm thick) match plate can't satisfy the construction and pour the demand, can't carry out the operation of vibrating and too much counter-pull bolt hole easily causes the infiltration hidden danger. As shown in figure 3, concrete strips with the width of 200mm and the height of 120mm are arranged every 2m, bin-divided pouring of concrete is carried out, the problem that the concrete with the overlarge gradient is not easy to pour can be effectively avoided, and the front side and the rear side of each concrete strip are chiseled and cleaned, so that new concrete and old concrete are combined tightly. A nail holding layer (lock layer of nail, a structural layer capable of being wrapped by fixed nails in a tile roof, such as a fine stone concrete layer and a roof panel) is embedded at 10@900 before concrete pouring, and the thickness of the heat preservation plate needs to be considered according to the drawing requirements.
S5, waterproof construction;
leveling layer construction → base layer surface cleaning and repairing → base layer treating agent (primer) spraying → special part additional reinforcing treatment → waterproof coating (two layers) coating and tire body increasing material paving → cleaning and inspection repairing → protective layer construction.
After concrete pouring is finished, a water spraying experiment (an inclined roof) is carried out on the roof, leveling layer construction is carried out according to the design requirements of a drawing, incomplete bulges and mortar lumps in the leveling layer construction are removed, and the pipeline, a water falling port and a male and female corner are made into arcs of 500mm, so that coating construction is facilitated. The joints of the eaves gutter, the gutter and the roof, the joints of the plane and the vertical surface of the roof, the water falling port, the root part of the pipeline extending out of the roof and the like are provided with additional coating layers. The waterproof coating is constructed twice, the coating is applied to the eave from the ridge, the second coating is constructed after the first coating is cured for 24 hours, and the coating and scraping direction is vertical to that of the first coating. And (5) performing a water spraying experiment after curing for 24, and performing heat preservation construction on the roof after the requirements are met.
S6, constructing a heat insulation layer;
the roof heat-insulating material is paved by adopting a point bonding method, the heat-insulating plate is cut by adopting a special tool, the cut edges are vertical and flat, the abutted seam is tight, and the opening is not required to be opened. The heated board stagger joint is laid and is pasted stagger joint width 1/3 heated board length, and heated board department is laid around going out roofing pipeline, equipment basis to the heated board, and the shop pastes and should closely coincide. Within 500m of the periphery of the water falling port, the thickness of the heat insulation material should be uniformly reduced, and a 5% gradient should be formed. The heated board should cut the angulation in negative and positive angle department, connect the stubble to closely to wire net connection (250mm is wide), heated board surface according to the design requirement full spread reinforcing bar net piece and with hold the nail layer and reliably be connected, as shown in fig. 5, pass through after the acceptance inspection and carry out the graticule concrete placement, strive to reach neatly level and smooth (prevent follow-up string of tiles lines not smooth and easy, tile fluctuation etc. are down to the trouble).
S7, constructing a water-guiding strip and a tile hanging strip;
and (3) carrying out BIM vertical typesetting and lofting design according to the design content of the construction drawing, as shown in figure 4, correctly marking the vertical downstream strip interval by using an ink line, popping the ink line, then trying to hang the transverse tile hanging interval, popping the tile hanging interval, controlling the tile hanging interval within the tolerance as far as possible, and adjusting the tile hanging interval to the principle of not cutting tiles. The water-guiding strips are placed along the vertical ink lines from the ridge to the eave, the steel water-guiding strips-25 x5 at the ridge are nailed firstly, the middle distance is 600, and the steel water-guiding strips are fixed by phi 3.5 long 40 cement nails @600 (the distance is 600 mm). And (3) hanging the tile strips by steel from the eave to the ridge according to the size of the tile, determining the pitch L30x4 according to the specification and size of the deepened tile, and welding the steel hanging tile strips and the water guiding strips.
S7, tile hanging construction;
and the BIM deepened design of the roof tiles is carried out, so that the specification and the model of the roof tiles are convenient to operate and construct. As shown in FIGS. 6 and 7, the space for laying the mortar ridge tiles is left from the left bottom from the first row of battens under the eave, the tiles are arranged from left to right, when the first row is fully paved, the tiles at the left end and the right end need to be kept at the positions of the corrugated bulges, otherwise, the positions of the initial tiles are readjusted. Carry out the crossheading overlap joint with the tile before with the latter tile, hang tile head protrusion pendant on the battens with tile and hanging the battens articulate, implant the copper nail to the reinforced concrete inside along tile head reservation slotted hole and be used for fixing the tile: with 2 cun half long galvanized steel nail or No. 18 galvanized iron wire, because the roofing slope is great, every row all need fix the galvanized iron wire winding on the batten, and the principle is: the slope of the roof is more than 45 degrees, and each row is fixed; when laying the second row tile, with the crisscross overlap joint of tile and the first row tile, make whole roofing more firm, the water conservancy diversion of rainwater is more effective. The tile construction at the ridge is from bottom to top, the mortar liner at the ridge is at least 150mm higher than the roof, the ridge tile is fixed by cement mortar, and the head of the ridge tile is prevented from being surpassed during construction to pollute the tile surface.
In the above-described steps S1 to S7, the check acceptance items involved are as follows: 1) after the roof formwork support is finished, technical responsible persons and master supervisory engineers should be accepted, and steel bar construction can be carried out after the acceptance is passed; 2) checking a blanking table, performing reinforcement binding operation, performing construction strictly according to a drawing and a 16G101 atlas, strictly performing three-checking degree, finally reporting quality supervision stations and checking and accepting by supervision engineers, and performing concrete pouring after approval; 3) performing a water spraying experiment on the roof concrete structure, performing leveling layer construction after the roof concrete structure is qualified, neatly marking the leveling layer, checking the construction of the waterproof additional layer and the water spraying experiment, and performing the next procedure after the waterproof additional layer construction and the water spraying experiment meet the requirements; 4) checking and accepting a roof heat-insulating layer material, laying a heat-insulating plate and checking and accepting a reinforcing mesh, and pouring the reinforced concrete after the roof heat-insulating layer material is qualified; 5) and (4) checking and accepting the water guiding strips and the tile hanging strips according to the layout indication of the drawing, and checking and accepting whether the slope of the roof tile hanging is accurate, whether the lines are uniform and smooth, whether the lap joint is reasonable, whether incomplete tiles exist and the like.
In the present invention: because the roof has larger gradient, complicated modeling and thinner roof (only 120mm thick), the double-sided template cannot meet the construction and pouring requirements, cannot carry out vibration operation and has excessive counter-pulling bolt holes which easily cause water seepage hidden danger, when the roof concrete is constructed, the invention abandons the double-sided formwork to penetrate the counter-pulling bolts, adopts a concrete belt, effectively avoids the problems of easy segregation and difficult pouring when the large-gradient concrete is poured, saves the formwork and formwork stripping cost, reduces the risk of leakage points caused by the counter-pulling bolts, saves the construction period and the formwork cost and improves the construction efficiency. The nail holding layer is embedded and extends out of the heat preservation plate top before concrete pouring, later-stage drilling bar planting during heat preservation construction is avoided, integrity of a roof waterproof layer is guaranteed, strength of the nail holding layer is improved, and the concrete pouring device is efficient and environment-friendly. The BIM technology is utilized to optimize the typesetting of the steel water guiding strips and the tile hanging strips, the problem of unsmooth tile hanging line and high-low arcing is effectively solved, the roof tile line is smooth, and the whole body is attractive and elegant. With the vertical typesetting laying-out design of BIM in advance of tile, carry out the processing of slotted hole and pendant according to the position of pre-buried nail, according to the slope of roofing, fix the tile on the battens of hanging, make whole roofing more firm, the drainage of rainwater is more effective.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. A villa flat tile large-gradient inclined roof construction method is characterized in that: comprises the steps of (a) carrying out,
s1, building BIM modeling is carried out, the whole roof is cut into a plurality of rectangular blocks, and the sizes and the positions of the beams and the columns are determined;
s2, building a roof formwork support and binding roof reinforcing steel bars according to BIM modeling results, manufacturing a multi-gradient concrete belt to serve as a lower blocking foot for roof concrete pouring, positioning and pre-embedding a nail holding layer, ensuring that the nail holding layer extends out of a heat insulation layer, and pouring roof concrete according to the concrete belt in a bin-type manner;
s3, sequentially carrying out roof waterproof construction and heat insulation layer construction;
s4, optimizing typesetting of the water guiding strips and the tile hanging strips by utilizing a BIM technology, positioning and constructing the water guiding strips and the tile hanging strips, carrying out BIM vertical typesetting and lofting design on tiles, processing slotted holes and hanging pieces according to positions of pre-embedded nails, and selecting optimized tiles to be sequentially installed on the tile hanging strips.
2. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 1, wherein: in step S2, when erecting a roof formwork support, a combined formwork support mode of a formwork support, a U-shaped support, primary and secondary wood keels and a wood plywood is adopted; when the concrete belt is manufactured, the front side and the rear side of the concrete belt are chiseled and cleaned.
3. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 1, wherein: in step S3, when performing roof waterproofing, firstly, leveling layer construction is performed, then the surface of the base layer is cleaned and repaired, then the base layer treating agent of the bottom layer is sprayed, then a coating additional layer is provided to a certain position, then the waterproof coating of the second layer is coated and the carcass addition material is laid, then cleaning and checking repair are performed, and finally, protective layer construction is performed.
4. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 3, wherein: the part provided with the coating additional layer comprises a cornice, a joint of a gutter and a roof, a joint of a plane and a vertical surface of the roof, a water falling port and a pipeline root part extending out of the roof.
5. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 3, wherein: when the base layer treating agent of the bottom layer is sprayed and the waterproof coating of the second layer is smeared, the base layer treating agent and the waterproof coating of the second layer are both smeared from the ridge to the eave, but the smearing direction of the second coating film is vertical to that of the first coating film.
6. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 1, wherein: in step S3, when the heat insulation layer is constructed, the roofing heat insulation board is laid by a point bonding method, the heat insulation boards are staggered, the surface of each heat insulation board is fully paved with the steel mesh and connected with the nail holding layer, and after passing the acceptance, the fine aggregate concrete pouring is performed to ensure that the heat insulation boards are neat and flat.
7. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 6, wherein: the heat-insulating board is paved and matched around the roof outlet pipeline and the equipment foundation, the periphery of the water falling port is uniformly thinned to form a slope, and the connection is tight at the positive and negative corners.
8. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 1, wherein: in step S4, when the tile hanging strip is constructed, the vertical water guiding strip interval is correctly marked by the ink line, the ink line is flicked, then the horizontal tile hanging interval is tried to be hung, the tile hanging strip interval is popped up, the tile hanging interval is controlled, the water guiding strip is placed along the vertical ink line from the ridge to the eave on the basis of not cutting tiles, the water guiding strip at the ridge is firstly nailed, the tile hanging strip is placed from the eave to the ridge according to the size of the tiles, and the tile hanging strip and the water guiding strip are connected by welding.
9. The method of constructing a flat-tile high-gradient sloping roof for a villa as claimed in claim 1, wherein: in step S4, when installing tiles, the tile installation method includes leaving a space for the mortar to lie on the ridge tile from the left bottom to the left bottom, arranging the tiles from the left to the right, paying attention to the tiles at the left and right ends when the tile installation method is used to fill the first row, keeping the tiles at the raised positions of the corrugations, otherwise readjusting the position of the initial tile, overlapping the next tile with the previous tile along the groove, hanging the tile with the tile head raised object hanging member on the tile, hanging the tiles with the tile installation method, hanging nails into the concrete along the tile head reserved groove hole to fix the tiles, winding and fixing iron wires on the tile installation strips in each row, overlapping the tiles with the tiles in the first row in a staggered manner when laying the second row of tiles, constructing the tiles at the ridge from bottom to top, setting the mortar liner at the ridge over the roof, fixing the ridge tiles with cement mortar, and preventing the tile surface from being contaminated beyond the ridge tile head during construction.
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| CN201911194900.3A CN110821023A (en) | 2019-11-28 | 2019-11-28 | Villa flat tile large-gradient inclined roof construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894211A (en) * | 2020-08-12 | 2020-11-06 | 中冶建工集团有限公司 | BIM (building information modeling) installation and lightning protection construction method for original bamboo structure roof |
| CN112796511A (en) * | 2021-02-05 | 2021-05-14 | 中国建筑第六工程局有限公司 | Supporting structure and construction method of double-layer fair-faced concrete arc-shaped roof formwork |
| CN112962869A (en) * | 2021-02-04 | 2021-06-15 | 广东省第五建筑工程有限公司 | Large-angle roof tile dry hanging method |
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| CN116090077A (en) * | 2023-03-10 | 2023-05-09 | 北京建工四建工程建设有限公司 | Composite insulation board deepening method based on BIM technology |
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