CN111927008A - Construction method of roof playground - Google Patents
Construction method of roof playground Download PDFInfo
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- CN111927008A CN111927008A CN202010759265.5A CN202010759265A CN111927008A CN 111927008 A CN111927008 A CN 111927008A CN 202010759265 A CN202010759265 A CN 202010759265A CN 111927008 A CN111927008 A CN 111927008A
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 153
- 238000009413 insulation Methods 0.000 claims abstract description 68
- 239000004568 cement Substances 0.000 claims abstract description 46
- 239000011229 interlayer Substances 0.000 claims abstract description 13
- 238000005034 decoration Methods 0.000 claims abstract description 10
- 229920002635 polyurethane Polymers 0.000 claims abstract description 10
- 239000004814 polyurethane Substances 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 63
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- 238000000034 method Methods 0.000 claims description 45
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- 239000003292 glue Substances 0.000 claims description 12
- 239000011083 cement mortar Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 10
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- 238000013461 design Methods 0.000 claims description 9
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
-
- 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
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/143—Junctions of roof sheathings to chimneys or other parts extending above the roof with ventilating means in junctions of roof sheathings to parts extending above the roof
-
- 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
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a construction method of a roof playground, which utilizes a building roof platform to construct a playground, and then sequentially constructs a sound insulation layer → a slope finding layer → a leveling layer → a waterproof layer → an insulation layer → a protection layer → a first decoration layer → a second decoration layer on the building roof. The playground is constructed on a building roof platform, the heat-insulating layer and the protective layer are arranged outside the roof waterproof layer, the cement self-leveling interlayer and the polyurethane surface layer are additionally arranged, the damage of light, heat and other environmental factors and physical damage of external force and the like are further avoided, the working environment of the waterproof layer is improved, the service life of the waterproof layer is greatly prolonged, and the trouble of periodically renovating the roof waterproof layer is avoided.
Description
Technical Field
The invention relates to a construction method of a roof playground, and belongs to the technical field of building construction.
Background
In 10 months 2014, a social atmosphere which pays attention to sports, supports sports and participates in sports is created according to a plurality of opinions about accelerating the development of sports industry and promoting sports consumption issued by the State Council, and the 'national fitness' is promoted to be a national strategy. The opinion takes the enhancement of the physique of people and the improvement of the health level as fundamental targets, and subverts the arrangement of people in the traditional Chinese sports strategy, which is undoubtedly a supervision and motivation for the situations that people in the prior art have little exercise amount and are generally in a sub-health state. Meanwhile, with the implementation of the development plan of the two-line, three-line and even four-line city ambition and the planning and construction of new areas, large-scale sports buildings become important urban building large pieces which are as important as airports, convention and exhibition centers, movie theaters, libraries, science and technology museums and the like, and are widely constructed.
Training sports buildings and school sports buildings (training bases, stadiums in campuses, national fitness centers) are also developed vigorously, and the training buildings and school sports buildings have a specific and stable use group, regardless of athletes intensively training or student groups intensively performing class sports. However, the basic construction of big and medium cities in our country is of an initial scale, and the urban construction land is very short, so that the construction of the recreational sports fitness site is slow in progress and even gradually shriveled, and therefore, how to construct the fitness site by using the existing buildings is a technical problem to be solved urgently in the current building construction.
Disclosure of Invention
The invention aims to provide a construction method of a roof playground, which combines the concept of roof playground, utilizes a roof platform to set a playground according to local conditions, considers the aspects of field setting, heat preservation, water prevention integration and the like, effectively improves the field utilization rate, saves the field, saves the cost, practically improves the integral quality of buildings, perfects recreational sports fitness fields and facilities and has greater economic benefit and social benefit under the condition of meeting the requirement of urban planning.
In order to achieve the purpose, the invention adopts the following technical scheme: a construction method of a roof playground utilizes a building roof platform to construct the playground, and then sequentially constructs a sound insulation layer → a slope finding layer → a leveling layer → a waterproof layer → an insulation layer → a protection layer → a first decoration layer → a second decoration layer on the building roof platform.
In the method, the sound insulation layer is constructed according to the following steps:
a. roughening and cleaning the floor: cleaning dust, dirt, oil stain, particles and accumulated water on the surface of a building roof base layer, chiseling a protruding part on the surface, chiseling loose parts such as honeycombs, pitted surfaces and exposed ribs to a compact part, and then washing the loose parts by using clear water;
b. making an ash cake and controlling flatness: according to a 1m elevation horizontal control line, an infrared horizontal pay-off instrument is used for making ash cakes on the floor, in order to reduce sound transmission, the ash cakes are constructed by sound insulation mortar, the floor of a large room is made into the ash cakes, the distance is 1.5-1.8 m, the flatness of the mortar is controlled, and if the floor has floor drain or the ground with a gradient requirement, a 1% flashing gradient is made according to the design requirement;
c. stirring the sound insulation mortar: putting water and the sound insulation mortar into a stirrer for stirring; the feeding sequence comprises sound insulation mortar and water in sequence; stirring the sound-insulation mortar uniformly for not less than 2min and not more than 20min, wherein the consistency value of the finished sound-insulation mortar is 38mm, the slump value is 23mm, and the water-cement ratio is 0.4-0.45;
d. brushing a cement slurry bonding layer: the floor interface is treated by adopting cement paste and building glue, and a cement paste layer with the water-cement ratio of 0.4-0.5 is coated before the sound-insulation mortar is laid;
e. laying a sound insulation mortar pressure head for several times: after the cement paste is coated, laying sound insulation mortar closely, uniformly laying the sound insulation mortar among the ash cakes, then using a scraping rod to scrape the ash cakes evenly according to the height, enclosing and blocking the doorway closing opening by a wood rod, plastering the sound insulation mortar to the enclosing and blocking to compact, wherein the laying thickness of the sound insulation mortar is not less than 35 mm;
f. laying sound insulation mortar: leveling by adopting an aluminum alloy scraping rod before initial setting of the sound-insulation mortar, leveling for the first time by adopting a wood trowel when paving is finished for 4-6 hours, and leveling and press polishing are carried out simultaneously;
g. second smoothing and calendering: after the cement mortar is flatly pressed for the second time, pressing for the second time by using an iron trowel, wherein the surface plane is bright; the press finishing is finished before final setting, and the second press finishing and press finishing are finished within 7-8 hours;
h. and (5) maintenance: after the sound insulation mortar is laid, attention is paid to the fact that the surface of the mortar is not washed and damaged by rainwater in the maintenance process; maintaining by adopting a spray maintenance method without stepping on the sound insulation mortar for spraying; the interval time is not less than two times per day, the curing time is preferably more than 7 days, and the moistening is mainly performed.
In the method, when the slope finding layer is paved, the stay wire is used for finding the slope according to the design thickness of the slope finding layer, and 1: 8, cement hydrophobic expanded perlite, wherein the thinnest part is not less than 20 mm; when in laying, firstly, a thickness control line is popped up on the peripheral parapet wall, a control baffle plate with thickness and gradient is laid on the vertical water distribution line, and then, the control baffle plate is laid in layers to find the gradient and compacted.
In the method, the leveling layer adopts the following formula: 2.5 paving cement mortar 8, wherein the surface of the cement mortar is required to be leveled and polished, no hollowing and sanding phenomenon exists, the surface leveling is checked by a 2m ruler, and the maximum flatness allowable deviation is not more than 5 mm; the arc angle is made on the internal and external corner to prevent the waterproof layer from falling off due to the infirm adhesion.
In the method, the waterproof layer construction is carried out after the leveling layer is dried, when the waterproof layer is constructed, the APP high polymer modified asphalt waterproof coiled material is adopted to be constructed in combination with a hot melting method, when the waterproof layer is paved, a full adhesion method is adopted, and the concrete construction steps are as follows:
A. laying and pasting the coiled materials at the starting end: placing the coiled material at an initial position, overlapping seams in the length direction, rolling and unfolding the coiled material for 1m, then lifting the unfolded part, starting a spray gun to ignite, keeping the distance between the spray gun head and the coiled material to be 50-100 mm, forming a 30-45 DEG angle with a leveling layer, aligning flame at the joint of the coiled material and the leveling layer, simultaneously heating the hot melt adhesive surface on the bottom surface of the coiled material and the leveling layer until the hot melt adhesive layer has black luster and shines to have micro bubbles, slowly putting down the coiled material to be laid on the leveling layer, and then performing exhaust rolling to firmly bond the coiled material and the leveling layer; when the coiled material is laid to the remaining length of 300mm, the coiled material is turned over on the heat insulation plate, the starting end of the remaining leveling layer is heated by flame, and then the remaining part of the starting end of the coiled material is heated and then is adhered to the leveling layer;
B. rolling and paving: the coiled material initiating terminal is spread and is pasted and can carry out the large tracts of land after accomplishing and roll and spread, hold the rifle people and be located the coiled material and roll the place ahead of spreading, add hot-rolled material and screed-coat simultaneously, roll the coiled material people and squat on the coiled material initiating terminal that has already been laid, wait that the coiled material fully heats the back and slowly bulldoze the coiled material, and notice the leveling of coiled material at any time in the same direction as straight with the overlap joint width, it is thereafter with alone to wipe the coiled material to both sides from the centre with the roller, catch up the pressure bubble, and scrape the crimping seam limit with the hot melt adhesive that the scraper will spill over, another person is with roller.
In the method, when the heat-insulating layer is constructed, the waterproof layer is cleaned, cement glue is smeared on the waterproof layer and the extruded polystyrene board, the extruded polystyrene board smeared with the cement glue is immediately laid on the waterproof layer smeared with the cement glue, the extruded polystyrene board is slightly beaten by a rubber hammer or slightly rolled by a compression roller, and the extruded polystyrene board and the waterproof layer are tightly and stably pasted, so that the extruded polystyrene board can be used for the heat-insulating layer
In the method, the isolation layer is polyester fiber non-woven fabric which is laid on the heat preservation layer in a dry mode.
In the method, the protective layer is constructed according to the following steps:
a. firstly, constructing dividing joints, wherein the dividing joints are reserved at the supporting end of a structural roof panel, the turning position of a roof and the joint of a waterproof layer and a protruding roof structure, the width of the dividing joints is 20-30 mm, the distance between the dividing joints is not more than 6m, and the sealing paste is filled densely;
b. arranging a bidirectional reinforcing mesh: placing the bidirectional reinforcing mesh on the middle upper part of the concrete according to the design requirement, wherein the protective layer is not less than 10 mm;
c. pouring concrete: pouring and tamping concrete according to the principle of 'far first, near second, high first and low second', taking out the partition plate of the dividing joint in time after the concrete is subjected to water collection and initial setting, and compacting and polishing by using an iron trowel; compacting and finishing again before the concrete is finally set until the surface is smooth, and no sand, peel or rendering mark is formed; and after the concrete is finally set, watering and curing are required to be carried out immediately, and the curing time is not less than 14 days.
In the method, the first decorative layer is formed by coating a cement self-leveling interlayer on the protective layer, and the second decorative layer is formed by coating a polyurethane surface layer on the cement self-leveling interlayer.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) the invention adopts the concept of 'field movement of roof'. Compared with the traditional process, the building method has the advantages that the sports ground is built by utilizing the accessible roof platform, the utilization rate of the ground is effectively improved, the ground is saved, the cost is saved, the integral quality of the building is practically improved, the sports fitness ground and facilities for entertainment are perfected, and the building method has great economic and social benefits.
(2) The invention takes the roof platform as the sports ground, and the cement self-leveling interlayer and the polyurethane surface layer are added on the waterproof layer, so that the damage of light, heat and other environmental factors is avoided, the physical damage of external force and the like is also avoided, the working environment of the waterproof layer is improved, the service life of the waterproof layer is greatly prolonged, and the trouble of periodically repairing the waterproof layer of the roof is avoided.
(3) Utilize inversion formula overhead roofing structural style, arrange the waterproof layer in below the roofing insulating layer, removed the process of burying the permeability cell in from, also avoided vertical permeability cell to stretch out the roofing, influence the later stage in stadium and use.
(4) The invention comprehensively adopts multiple layers of flexible or rigid layers such as sound insulation mortar and extruded sheets for sound insulation treatment, simultaneously the flexible layer or the rigid layer is also used as a main action layer for heat insulation and water resistance, the multifunctional and multi-performance material layer comprehensively solves the requirements of sound insulation, heat insulation, leakage prevention and the like required by a sports roof, and the manufacturing cost is saved under the condition of ensuring the later-stage use performance.
(5) The invention adopts the cement self-leveling interlayer as the surface layer of the roof playground, and fully utilizes the characteristics of wear resistance, durability, economy and environmental protection of the cement self-leveling interlayer. The method completely overcomes the common quality problems of uneven surface, easy hollowing, cracks, sanding and the like of the traditional cement ground, saves the time for treating the base layer of the polyurethane sports ground, and is convenient for the construction of the polyurethane surface layer.
(6) The invention adopts a double-layer structure of the cement self-leveling interlayer and the polyurethane surface layer, thereby not only ensuring the appearance structural characteristics such as smoothness and the like to be constant and stable, but also having good wear resistance, meeting the requirement of long-term high use frequency and being convenient for maintenance.
(7) The sports roof has good shock absorption and rebound resilience, can lead athletes to start quickly, can relieve the impact force in sports, is safe and comfortable, and provides a safe sports field for the athletes.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the roofing sports field of the present invention.
Description of reference numerals: 1-polyurethane surface course, 2-cement self-leveling interlayer, 3-fine aggregate concrete, 4-polyester fiber non-woven fabric, 5-extruded polystyrene board, 6-modified asphalt waterproof coiled material, 7-base course treating agent, 8-cement mortar, 9-cement hydrophobic expanded perlite, 10-high-toughness PE film, 11-sound insulation mortar and 12-concrete floor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention comprises the following steps: referring to fig. 1, a method for constructing a roof playground includes constructing a playground by using a building roof platform, and then sequentially constructing a sound insulation layer → a slope layer → a leveling layer → a waterproof layer → an insulation layer → a protection layer → a first decoration layer → a second decoration layer on the building roof platform.
In the method, the sound insulation layer is constructed according to the following steps:
a. roughening and cleaning the floor: cleaning dust, dirt, oil stain, particles and accumulated water on the surface of a base layer of a concrete floor 12 of a building roof, chiseling a convex part on the surface, chiseling loose parts such as honeycombs, pitted surfaces, exposed ribs and the like to compact parts, and then washing the loose parts clean by clear water;
b. making an ash cake and controlling flatness: according to a 1m elevation horizontal control line, an infrared horizontal pay-off instrument is used for making ash cakes on the floor, in order to reduce sound transmission, the ash cakes are constructed by adopting sound insulation mortar 11, the floor of a large room is made into the ash cakes, the distance is 1.5-1.8 m, the flatness of the mortar is controlled, and if the floor drain or the ground with the gradient requirement exists, a 1% flashing gradient is made according to the design requirement;
c. stirring the sound insulation mortar: putting water and the sound insulation mortar 11 into a stirrer for stirring; the feeding sequence is that the sound insulation mortar 11 and water are sequentially added; stirring the sound-insulation mortar 11 uniformly for not less than 2min and not more than 20min, wherein the consistency value of the finished product of the sound-insulation mortar 11 is 38mm, the slump value is 23mm, and the water-cement ratio is 0.4-0.45;
d. brushing a cement slurry bonding layer: the floor interface is treated by adopting cement paste and building glue, and a cement paste layer with the water-cement ratio of 0.4-0.5 is coated before the sound-insulation mortar 11 is laid;
e. laying sound insulation mortar for 11 times: after the cement paste is coated, laying the sound insulation mortar 11 next to the cement paste, uniformly laying the sound insulation mortar 11 among the ash cakes, then, using a scraping rod to scrape the ash cakes evenly according to the height, enclosing and blocking the doorway closing opening by a wood rod, plastering the sound insulation mortar 11 to the enclosing and blocking to compact, wherein the laying thickness of the sound insulation mortar 11 is not less than 35 mm;
f. laying sound insulation mortar: leveling by adopting an aluminum alloy scraping rod before initial setting of the sound-insulation mortar 11, leveling for the first time by adopting a wood trowel when paving is finished for 4-6 hours, and leveling and press polishing are carried out simultaneously;
g. second smoothing and calendering: after the cement mortar is flatly pressed for the second time, pressing for the second time by using an iron trowel, wherein the surface plane is bright; the press finishing is finished before final setting, and the second press finishing and press finishing are finished within 7-8 hours;
h. and (5) maintenance: after the sound insulation mortar 11 is laid, attention is paid to the fact that the surface of the mortar is not washed and damaged by rainwater in the maintenance process; maintaining by adopting a spray maintenance method without stepping on the sound insulation mortar 11 for spraying; the interval time is not less than two times per day, the curing time is preferably more than 7 days, and the moistening is mainly performed.
In the method, when the slope finding layer is paved, the stay wire is used for finding the slope according to the design thickness of the slope finding layer, and 1: 8, cement hydrophobic expanded perlite 9, wherein the thinnest part is not less than 20 mm; when in laying, firstly, a thickness control line is popped up on the peripheral parapet wall, a control baffle plate with thickness and gradient is laid on the vertical water distribution line, and then, the control baffle plate is laid in layers to find the gradient and compacted.
In the method, the leveling layer adopts the following formula: 2.5 paving cement mortar, wherein the surface of the cement mortar is required to be leveled and polished, no hollowing and sanding phenomenon exists, the surface smoothness is checked by a 2m ruler, and the maximum flatness allowable deviation is not more than 5 mm; the arc angle is made on the internal and external corner to prevent the waterproof layer from falling off due to the infirm adhesion.
According to the method, the waterproof layer construction is carried out after the leveling layer is dried, when the waterproof layer is constructed, the base layer treating agent 7 is firstly coated on the clean leveling layer, then the APP high polymer modified asphalt waterproof coiled material 6 is combined with a hot melting method for construction, when the waterproof layer is laid, a full adhesion method is adopted, and the specific construction steps are as follows:
A. laying and pasting the coiled materials at the starting end: placing the coiled material at an initial position, overlapping seams in the length direction, rolling and unfolding the coiled material for 1m, then lifting the unfolded part, starting a spray gun to ignite, keeping the distance between the spray gun head and the coiled material to be 50-100 mm, forming a 30-45 DEG angle with a leveling layer, aligning flame at the joint of the coiled material and the leveling layer, simultaneously heating the hot melt adhesive surface on the bottom surface of the coiled material and the leveling layer until the hot melt adhesive layer has black luster and shines to have micro bubbles, slowly putting down the coiled material to be laid on the leveling layer, and then performing exhaust rolling to firmly bond the coiled material and the leveling layer; when the coiled material is laid to the remaining length of 300mm, the coiled material is turned over on the heat insulation plate, the starting end of the remaining leveling layer is heated by flame, and then the remaining part of the starting end of the coiled material is heated and then is adhered to the leveling layer;
B. rolling and paving: the coiled material initiating terminal is spread and is pasted and can carry out the large tracts of land after accomplishing and roll and spread, hold the rifle people and be located the coiled material and roll the place ahead of spreading, add hot-rolled material and screed-coat simultaneously, roll the coiled material people and squat on the coiled material initiating terminal that has already been laid, wait that the coiled material fully heats the back and slowly bulldoze the coiled material, and notice the leveling of coiled material at any time in the same direction as straight with the overlap joint width, it is thereafter with alone to wipe the coiled material to both sides from the centre with the roller, catch up the pressure bubble, and scrape the crimping seam limit with the hot melt adhesive that the scraper will spill over, another person is with roller.
In the method, when the heat-insulating layer is constructed, the waterproof layer is cleaned, cement glue is smeared on the waterproof layer and the extruded polystyrene board 5, the extruded polystyrene board 5 smeared with the cement glue is immediately laid on the waterproof layer smeared with the cement glue, the extruded polystyrene board 5 is slightly beaten by a rubber hammer or the extruded polystyrene board 5 is slightly rolled by a compression roller, and the extruded polystyrene board 5 is tightly and stably pasted with the waterproof layer
In the method, the isolation layer is polyester fiber non-woven fabric 4 laid on the heat preservation layer in a dry mode.
In the method, the protective layer is constructed according to the following steps:
a. firstly, constructing dividing joints, wherein the dividing joints are reserved at the supporting end of a structural roof panel, the turning position of a roof and the joint of a waterproof layer and a protruding roof structure, the width of the dividing joints is 20-30 mm, the distance between the dividing joints is not more than 6m, and the sealing paste is filled densely;
b. arranging a bidirectional reinforcing mesh: placing the bidirectional reinforcing mesh on the middle upper part of the concrete according to the design requirement, wherein the protective layer is not less than 10 mm;
c. pouring fine stone concrete: pouring and tamping the fine stone concrete 3 according to the principle of 'far first, near second, high first and low second', taking out the dividing joint partition plate in time after the fine stone concrete 3 receives water and is initially set, and compacting and polishing by using an iron trowel; compacting and finishing the fine stone concrete 3 again before final setting until the surface is smooth, and no sand, peel or rendering mark is formed; and after the fine aggregate concrete 3 is finally set, watering and curing are required to be carried out immediately, and the curing time is not less than 14 days.
In the method, the first decorative layer is formed by coating the cement self-leveling interlayer 2 on the protective layer, and the second decorative layer is formed by coating the polyurethane surface layer 1 on the cement self-leveling interlayer 2.
In conclusion, the playground is constructed on the building roof, the heat-insulating layer and the protective layer are arranged outside the roof coated with the waterproof layer, the cement self-leveling interlayer 2 and the polyurethane surface layer 1 are additionally arranged, the damage of light, heat and other environmental factors and the physical damage of external force and the like are further avoided, the working environment of the waterproof layer is improved, the service life of the waterproof layer is greatly prolonged, and the trouble of periodically repairing the waterproof layer of the roof is avoided. The invention utilizes the roof to arrange the sports ground according to local conditions, not only effectively utilizes the roof without value, but also can really improve the integral quality of the building and achieve the effect of roof beautification. Meanwhile, on the basis of not wasting precious urban land, the utilization rate of the field is effectively improved, the field is saved, the cost is saved, the sports fitness field and facilities of entertainment are perfected, the life quality of people is improved, and the national strategy of national nationwide fitness is met. The invention reduces the independent construction of the playground and the pollution of the waste materials to the environment, increases the playground of building users, greatly increases the service life of the waterproof layer compared with the traditional heat-insulating waterproof roof, and avoids the trouble of periodically repairing the waterproof layer of the roof. Compared with the traditional outdoor sports ground, the outdoor sports ground has good shock absorption, rebound resilience and wear resistance, and can meet the requirement of long-term high use frequency.
Claims (9)
1. A construction method of a roof playground is characterized in that: the method comprises the following steps of constructing a sports field by utilizing a building roof, and then sequentially constructing a sound insulation layer → a slope finding layer → a leveling layer → a waterproof layer → an insulation layer → an isolation layer → a protection layer → a first decoration layer → a second decoration layer on the building roof.
2. The method of constructing a roofing playground according to claim 1, wherein: when the sound insulation layer is constructed, the method comprises the following steps:
a. roughening and cleaning the floor: cleaning dust, dirt, oil stain, particles and accumulated water on the surface of a building roof base layer, chiseling a protruding part on the surface, chiseling loose parts such as honeycombs, pitted surfaces and exposed ribs to a compact part, and then washing the loose parts by using clear water;
b. making an ash cake and controlling flatness: according to a 1m elevation horizontal control line, an infrared horizontal pay-off instrument is used for making ash cakes on the floor, in order to reduce sound transmission, the ash cakes are constructed by sound insulation mortar, the floor of a large room is made into the ash cakes, the distance is 1.5-1.8 m, the flatness of the mortar is controlled, and if the floor has floor drain or the ground with a gradient requirement, a 1% flashing gradient is made according to the design requirement;
c. stirring the sound insulation mortar: putting water and the sound insulation mortar into a stirrer for stirring; the feeding sequence comprises sound insulation mortar and water in sequence; stirring the sound-insulation mortar uniformly for not less than 2min and not more than 20min, wherein the consistency value of the finished sound-insulation mortar is 38mm, the slump value is 23mm, and the water-cement ratio is 0.4-0.45;
d. brushing a cement slurry bonding layer: the floor interface is treated by adopting cement paste and building glue, and a cement paste layer with the water-cement ratio of 0.4-0.5 is coated before the sound-insulation mortar is laid;
e. laying a sound insulation mortar pressure head for several times: after the cement paste is coated, laying sound insulation mortar closely, uniformly laying the sound insulation mortar among the ash cakes, then using a scraping rod to scrape the ash cakes evenly according to the height, enclosing and blocking the doorway closing opening by a wood rod, plastering the sound insulation mortar to the enclosing and blocking to compact, wherein the laying thickness of the sound insulation mortar is not less than 35 mm;
f. laying sound insulation mortar: leveling by adopting an aluminum alloy scraping rod before initial setting of the sound-insulation mortar, leveling for the first time by adopting a wood trowel when paving is finished for 4-6 hours, and leveling and press polishing are carried out simultaneously;
g. second smoothing and calendering: after the cement mortar is flatly pressed for the second time, pressing for the second time by using an iron trowel, wherein the surface plane is bright; the press finishing is finished before final setting, and the second press finishing and press finishing are finished within 7-8 hours;
h. and (5) maintenance: after the sound insulation mortar is laid, attention is paid to the fact that the surface of the mortar is not washed and damaged by rainwater in the maintenance process; maintaining by adopting a spray maintenance method without stepping on the sound insulation mortar for spraying; the interval time is not less than two times per day, the curing time is preferably more than 7 days, and the moistening is mainly performed.
3. The method of constructing a roofing playground according to claim 1, wherein: when laying the layer of looking for the slope, look for the slope according to the design thickness of looking for the layer of looking for the slope, lay 1: 8, cement hydrophobic expanded perlite, wherein the thinnest part is not less than 20 mm; when in laying, firstly, a thickness control line is popped up on the peripheral parapet wall, a control baffle plate with thickness and gradient is laid on the vertical water distribution line, and then, the control baffle plate is laid in layers to find the gradient and compacted.
4. The method of constructing a roofing playground according to claim 1, wherein: the leveling layer adopts the following components: 2.5 paving cement mortar, wherein the surface of the cement mortar is required to be leveled and polished, no hollowing and sanding phenomenon exists, the surface smoothness is checked by a 2m ruler, and the maximum flatness allowable deviation is not more than 5 mm; the arc angle is made on the internal and external corner to prevent the waterproof layer from falling off due to the infirm adhesion.
5. The method of constructing a roofing stadium according to claim 4, characterized in that: carry out the waterproof layer construction after the screed-coat is dry, during the waterproof layer construction, adopt APP high polymer modified asphalt waterproofing membrane to combine the hot melt method to construct, take the full adhesion method when paving and paste, concrete construction steps are as follows:
A. laying and pasting the coiled materials at the starting end: placing the coiled material at an initial position, overlapping seams in the length direction, rolling and unfolding the coiled material for 1m, then lifting the unfolded part, starting a spray gun to ignite, keeping the distance between the spray gun head and the coiled material to be 50-100 mm, forming a 30-45 DEG angle with a leveling layer, aligning flame at the joint of the coiled material and the leveling layer, simultaneously heating the hot melt adhesive surface on the bottom surface of the coiled material and the leveling layer until the hot melt adhesive layer has black luster and shines to have micro bubbles, slowly putting down the coiled material to be laid on the leveling layer, and then performing exhaust rolling to firmly bond the coiled material and the leveling layer; when the coiled material is laid to the remaining length of 300mm, the coiled material is turned over on the heat insulation plate, the starting end of the remaining leveling layer is heated by flame, and then the remaining part of the starting end of the coiled material is heated and then is adhered to the leveling layer;
B. rolling and paving: the coiled material initiating terminal is spread and is pasted and can carry out the large tracts of land after accomplishing and roll and spread, hold the rifle people and be located the coiled material and roll the place ahead of spreading, add hot-rolled material and screed-coat simultaneously, roll the coiled material people and squat on the coiled material initiating terminal that has already been laid, wait that the coiled material fully heats the back and slowly bulldoze the coiled material, and notice the leveling of coiled material at any time in the same direction as straight with the overlap joint width, it is thereafter with alone to wipe the coiled material to both sides from the centre with the roller, catch up the pressure bubble, and scrape the crimping seam limit with the hot melt adhesive that the scraper will spill over, another person is with roller.
6. The method of constructing a roofing playground according to claim 1, wherein: when the heat preservation layer is constructed, the waterproof layer is cleaned, cement glue is smeared on the waterproof layer and the extruded polystyrene board, the extruded polystyrene board smeared with the cement glue is immediately paved on the waterproof layer smeared with the cement glue, and the extruded polystyrene board is slightly beaten by a rubber hammer or slightly rolled by a compression roller, so that the extruded polystyrene board and the waterproof layer are tightly and stably adhered.
7. The method of constructing a roofing playground according to claim 1, wherein: the isolation layer is a polyester fiber non-woven fabric which is laid on the heat preservation layer in a dry mode.
8. The method of constructing a roofing playground according to claim 1, wherein: when the protective layer is constructed, the method comprises the following steps:
a. firstly, constructing dividing joints, wherein the dividing joints are reserved at the supporting end of a structural roof panel, the turning position of a roof and the joint of a waterproof layer and a protruding roof structure, the width of the dividing joints is 20-30 mm, the distance between the dividing joints is not more than 6m, and the sealing paste is filled densely;
b. arranging a bidirectional reinforcing mesh: placing the bidirectional reinforcing mesh on the middle upper part of the concrete according to the design requirement, wherein the protective layer is not less than 10 mm;
c. pouring concrete: pouring and tamping concrete according to the principle of 'far first, near second, high first and low second', taking out the partition plate of the dividing joint in time after the concrete is subjected to water collection and initial setting, and compacting and polishing by using an iron trowel; compacting and finishing again before the concrete is finally set until the surface is smooth, and no sand, peel or rendering mark is formed; and after the concrete is finally set, watering and curing are required to be carried out immediately, and the curing time is not less than 14 days.
9. The method of constructing a roofing playground according to claim 1, wherein: the first decoration layer is formed by coating a cement self-leveling interlayer on the protection layer, and the second decoration layer is formed by coating a polyurethane surface layer on the cement self-leveling interlayer.
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| CN112459521A (en) * | 2020-11-16 | 2021-03-09 | 中国矿业大学 | Structure for adding roof parking lot or gymnasium park to existing building and implementation method |
| CN113622258A (en) * | 2021-08-19 | 2021-11-09 | 广东省第四建筑工程有限公司 | Construction method for plastic track playground |
| CN115262829A (en) * | 2022-07-20 | 2022-11-01 | 广州城建职业学院 | Floor structure capable of adapting to floating load and having sponge function and construction method |
| CN115822187A (en) * | 2022-12-14 | 2023-03-21 | 江苏省华建建设股份有限公司 | Positive roof construction method for treating exhaust holes in hidden mode |
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