CN104895255A - Roof heat insulation layer construction process - Google Patents
Roof heat insulation layer construction process Download PDFInfo
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- CN104895255A CN104895255A CN201510339086.5A CN201510339086A CN104895255A CN 104895255 A CN104895255 A CN 104895255A CN 201510339086 A CN201510339086 A CN 201510339086A CN 104895255 A CN104895255 A CN 104895255A
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Abstract
The invention discloses a roof heat insulation layer construction process. Operation is performed on a concrete structure layer laid on a roof. The roof heat insulation layer construction process includes the steps: 1) cleaning a base layer; 2) snapping lines and making slopes; 3) fixing a tube root; 4) laying an air partition layer; 5) laying heat insulation layers including a first heat insulation layer and a second heat insulation layer, filling the space between the first heat insulation layer and the second heat insulation layer, and laying a third heat insulation layer on the second heat insulation layer; 6) trowelling: pounding the upper surface of the third heat insulation layer by a plate vibrator after the heat insulation layers are laid. Slag with the grain size of 8mm, vermiculite with the grain size of 9.5mm and perlite with the grain size of 0.18mm are mixed and compacted according to the mass proportion of 2:1:0.2 to obtain the third heat insulation layer, and the space between the third heat insulation layer and the second heat insulation layer is filled with silicate cement. The process is fine in heat insulation effect and durability, low in manufacturing cost and short in construction cycle.
Description
Technical field
Invention describes a kind of building construction technology, especially a kind of roofing heat-insulating layer construction technology, belongs to technical field of building construction.
Background technology
Along with socioeconomic development, no matter from whole international economy weather or the Chinese macroscopic economy general trend of events, energy problem is increasingly severe, building energy consumption has accounted for 27.8% of national energy consumption total amount, therefore energy conservation is imperative, the measure that country is corresponding makes a series of energy-saving and emission-reduction and regulation, the constructional materials with energy-conserving and environment-protective concept is also subject to the favor in giving special assistance to of country and market day by day.The northern area of China, due to cold in winter, meets instructions for use for enabling the temperature of house interior in winter and considers the needs of building energy conservation, being usually all provided with insulation layer at rolled roof.Same, in some factories, in order to can protection of the environment and regulate interior temperature, also all lay insulation layer.What the insulation layer now laid at present was taked mostly is double-decker, namely on roof membrane, spreads adiabator plate, then floating with bulk cargo and compo etc. on adiabator plate, dries rear formation insulation layer.Although the insulation layer construction of this structure is easier, its protection effect is poor, and effect of heat insulation is also not obvious, cause dispel the heat winter very fast, and summer, effect of heat insulation is poor; Even use after a period of time, insulation layer upper surface can come off, and causes adiabator plate out exposed, adiabator plate will be made damaged after of long duration; Because insulation layer all joins together usually, once there be local damage, repair just cumbersome, and be also difficult to reach original heat insulation effect after repairing, this also makes maintenance cost higher, if damaged area is comparatively large, just all again can only lay insulation layer, this can cause very large trouble to people.
Summary of the invention
For above-mentioned deficiency of the prior art, it is easily damaged that main purpose of the present invention is to solve the existing insulation layer laid at present, the problem that heat insulation effect is poor, and introduce a kind of roofing heat-insulating layer construction technology, the insulation layer high insulating effect that this technique is laid, and solid durable.
Technical scheme of the present invention: roofing heat-insulating layer construction technology, is carry out operation on the concrete of roofing, it is characterized in that, comprise the steps:
1) base cleaning: the foreign material on concrete surface and dust are cleaned out, then be drilled with on described concrete surface the locating hole that diameter is 1.5 ~ 2.6cm, the degree of depth of described locating hole is less than 1.8cm, described locating hole is cellular distribution, and the spacing in adjacent positioned hole is 10cm; Each installation crab-bolt in each described locating hole, the upper end of described crab-bolt passes outside locating hole, and the length that described crab-bolt is positioned at locating hole outside is 0.8 ~ 1.2cm; Described crab-bolt bottom is provided with the slot of opening shape, and the degree of depth of described slot is less than the degree of depth of locating hole, is provided with anti-slip veins at the middle part of described crab-bolt, is provided with the boss of ring-type in the upper outside of described crab-bolt, and described boss is positioned at locating hole outside;
2) snap the line looks for slope: on concrete, with the center of the locating hole in left side for starting point, marks the position of the instlated tubular that will lay respectively to right side in the horizontal direction with the slotted line being stained with pulverized limestone;
3) pipe root is fixed: on concrete, laterally lay some instlated tubulars along the position that slotted line marks, described instlated tubular is the pipe structure be made up of outer tube, middle pipe, secondary pipe and interior pipe, described middle pipe is between outer tube and secondary pipe, described interior pipe is positioned at inside time pipe, froth bed is filled with between outer tube and middle pipe, between described middle Guan Yuci pipe, be filled with bitumen layer, between described pipe and interior pipe, be filled with freezing liquid; The outer tube caliber of described instlated tubular is 25cm, and described instlated tubular lower end contacts with the crab-bolt in correspondence position locating hole and pushes against, and the two ends mouth of pipe of instlated tubular is all closely knit with pea gravel concreten filling blocking; Concrete is coated with in the outside of described instlated tubular, described instlated tubular and corresponding crab-bolt are connected by concrete and are solidified as a whole, and form an overall downward-sloping heat insulation inclined-plane on the surface after the concrete setting above instlated tubular at concrete;
4) vapour barrier is laid: after pipe root fixedly completes, the heat insulation chamfered surface formed after being fixed by pipe root is dry and cleaning is clean, described inclined-plane is laid one deck malthoid, the thickness of described malthoid is 2.6cm, described malthoid evenly lays one deck oil mat again, and the thickness of described oil mat is 1.8cm;
5) insulation layer is laid: on oil mat after the drying, be equipped with the first insulation layer, described first insulation layer forms by some pieces of warming plates are placed side by side successively, between described warming plate and oil mat, be filled with bituminous cements; Described first insulation layer is equipped with the second insulation layer, described second insulation layer is also form by some pieces of warming plates are placed side by side successively, warming plate on described first insulation layer and the warming plate mutual dislocation on the second insulation layer are placed, between the first insulation layer and the second insulation layer, be filled with cement slurry, described cement slurry is mixed by cement, lime and the river sand mass ratio according to 1:1.35:2.1; The thickness of described first insulation layer is 3.5cm, and the thickness of described second insulation layer is 4.2cm; Second insulation layer is equipped with the 3rd insulation layer, described 3rd insulation layer is that the thickness of described 3rd insulation layer is 1.65cm by the vermiculite of the slag of particle diameter 8mm, particle diameter 9.5mm and the perlite of the particle diameter 0.18mm mass ratio mixed compaction gained according to 2:1:0.2; Portland cement is filled with between the 3rd described insulation layer and the second insulation layer;
6) floating: after insulation layer has been laid, with vibration board, the upper surface of the 3rd insulation layer is smash flat.
In roofing heat-insulating layer construction technology of the present invention, when clearing up basic unit, emphasis considers stability and the portability of subsequent installation instlated tubular, therefore have employed of innovating is drilled with locating hole on concrete surface and installs the structure of crab-bolt, the globality of installing roofing after instlated tubular can be strengthened so greatly, a firm entirety can be formed, play the object preventing instlated tubular and concrete structure split layer.The instlated tubular of the sandwich construction adopted in the present invention, compare traditional instlated tubular, there is more level, therefore on heat insulation, more application space has been had, it fills the heat-barrier material of unlike material in each layer by adopting, can increase exponentially heat insulation and preservation effect, particularly can tackle the situation of varying environment temperature, the impact avoiding the effect of variations in temperature on instlated tubular to cause, has boundless range of application.Moreover, the present invention is also by vapour barrier and insulation layer and instlated tubular acting in conjunction, define a powerful heat-insulation and heat-preservation system, this is for the roofing heat-insulating layer of traditional single structure, there is multi-level, many materials, on a large scale heat insulation effect, substantially can accomplish to come isolated with the heat flow outside room within doors, be particularly suitable for using in the region in the torrid zone or frigid zone, there is high using value.Especially, it should be noted that, in the present invention, for the insulation layer of different levels, the material that have employed heterogeneity ratio respectively obtains, and the object done like this is inconsistent in order to tackle different materials breathing ratio of self when variations in temperature is larger on the one hand, overcomes the consequence of the single tomography that may cause of heat insulating material, make the cementability between insulation layer better on the other hand, form an entirety, the heat leak of local can be avoided like this, be conducive to improving overall heat insulation and preservation effect.
Optimally, the warming plate in described first insulation layer is foam concrete plate, and the warming plate in described second insulation layer is aerated concrete panel.Here the foam concrete plate adopted has that light thermal-insulation, good endurance, combustibility are low, the feature such as low-carbon environment-friendly, energy-conserving profit waste, and aerated concrete panel also can play the effect of thermal insulation on the one hand, the effect of sound absorption sound insulation can also be played on the other hand, the comfort level of dwelling environment can also be improved like this.
Optimally, described portland cement cement and expanded vermiculite is mixed according to the tune that adds water after the mass ratio mixing of 1:13 to form, and the particle diameter of described expanded vermiculite is 8 ~ 15mm.Be employed herein the expanded vermiculite that particle is less, it can have better overall adhesive, not easily occurs the situation of fracture or opening after portland cement is solidified, particularly also more even when mixing, good integrity.
Optimally, the froth bed thickness in described instlated tubular is greater than the thickness of instlated tubular medium pitch layer, and the thickness of described instlated tubular medium pitch layer is 3 times of the thickness of freezing liquid in instlated tubular.In the present invention, not only Cost Problems be take into account to the design of froth bed, bitumen layer and freezing liquid thickness; also contemplate their respective effect of heat insulation simultaneously; effect of heat insulation strengthens gradually from outside to inside; steam that is that cause on instlated tubular surface solidifies formation thin ice to adopt this mode increased step by step can also avoid because thermal difference change is excessive, also has good protected effect like this to monolithic architecture.
Relative to prior art, the present invention has following beneficial effect:
1, high insulating effect: process of the present invention adopts more careful process means, basic unit has laid pipe root and vapour barrier, effectively can play effect of heat insulation, the insulation layer inside formed can also be made simultaneously to have certain retractility, the impact of different weather environment on insulation layer can be tackled like this.
2, durability is good: take insulation layer loose before this to the laying of insulation layer in technique of the present invention, and then be the mode of plate-like insulation layer, them can be made like this to combine tightr each other, be not easy to occur coming off and the situation of tomography, therefore there is better durability.
3, cost of manufacture is lower, and construction period is also shorter, and technology difficulty is relatively easy, and workman's construction is also very convenient.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described.
Roofing heat-insulating layer construction technology of the present invention, be carry out operation on the concrete of roofing, it comprises the steps:
1) base cleaning: be on prefabricated or cast-in-place concrete structure layer surface, foreign material and dust are cleaned out.
2) snap the line looks for slope: on concrete, according to the gradient preset and current direction, finds out the trend of roof pitch, and marks the height of the insulation layer that will lay with the slotted line being stained with pulverized limestone; The thickness range of insulation layer is determined with this.
3) pipe root is fixed: on concrete, laterally lay some instlated tubulars, described instlated tubular is placed side by side, the caliber of instlated tubular is 2.8cm, and the two ends of instlated tubular are all closely knit with pea gravel concreten filling blocking, and the outside of described instlated tubular is all applied flat fixing with concrete.
4) vapour barrier is laid: after pipe root fixedly completes, the dry tack free formed after being fixed by pipe root is also cleaned clean, one deck malthoid is laid on the surface that pipe root is formed, the thickness of described malthoid is 2.6cm, described malthoid evenly lays one deck bitumen layer again, and the thickness of described bitumen layer is 1.8cm.Lay before vapour barrier, roofing should first by clean for surface cleaning, and require dry, smooth, must not have the defects such as loose, cracking, hollowing; The structure way of vapour barrier must meet the regulation of designing requirement and construction and standards of acceptance.When brushing bitumen layer, require evenly without leaking brush.
5) insulation layer is laid: in bitumen layer after the drying, be equipped with the first insulation layer, described first insulation layer forms by some pieces of warming plates are placed side by side successively, between described warming plate and bitumen layer, be filled with bituminous cements; Described first insulation layer is equipped with the second insulation layer, described second insulation layer is also form by some pieces of warming plates are placed side by side successively, warming plate on described first insulation layer and the warming plate mutual dislocation on the second insulation layer are placed, between the first insulation layer and the second insulation layer, be filled with cement slurry, described cement slurry is mixed by cement, lime and the river sand mass ratio according to 1:1.35:2.1; The thickness of described first insulation layer is 3.5cm, and the thickness of described second insulation layer is 4.2cm; Second insulation layer is equipped with the 3rd insulation layer, described 3rd insulation layer is that the thickness of described 3rd insulation layer is 1.65cm by the vermiculite of the slag of particle diameter 8mm, particle diameter 9.5mm and the perlite of the particle diameter 0.18mm mass ratio mixed compaction gained according to 2:1:0.2; Portland cement is filled with between the 3rd described insulation layer and the second insulation layer;
6) floating: after insulation layer has been laid, with vibration board, the upper surface of the 3rd insulation layer is smash flat.
As required, the warming plate in the first described insulation layer can be foam concrete plate, and the warming plate in described second insulation layer can be aerated concrete panel.Described portland cement cement and expanded vermiculite is mixed according to the tune that adds water after the mass ratio mixing of 1:13 to form, and the particle diameter of described expanded vermiculite is 8 ~ 15mm.
In the present invention, the 3rd insulation layer can have multiple choices, as:
(1) loose insulation layer: it uses particle diameter to be 5 ~ 40mm slag or grain slag, must sieve during use, controls moisture content.The body structure surface laying discrete material should be dry, clean, and loose fill type insulant answers layering to lay, appropriate compacting, and compaction according to the density of designing requirement, should determine through test.Often walk laying depth and should not be greater than 150mm, the roofing heat-insulating layer after compacting must not directly go-cart be walked and pile up weight.
(2) loose expanded vermiculite insulation layer: vermiculite particle diameter is generally 3 ~ 15mm, makes the bedding plane of expanded vermiculite vertical with hot-fluid during laying.
(3) loose expanded pearlite insulating layer: the content that perlite particle diameter is less than 0.15mm should not be greater than 8%.
(4) bonding lays plate-like insulation layer: plate-like heat insulating material binding material is flat to be bonded on roof-base, generally uses cement, lime composite mortar; Polyphenyl plate materials application bituminous cements is pasted.
(5) cement vermiculite insulation layer: be with expanded vermiculite for gathering materials, cement is cementitious material, usual Portland cement, minimum label is No. 425, expanded vermiculite particle diameter selects 5 ~ 20mm, general match ratio is cement: vermiculite=1: 12, after blunge, agglomeratingly not fall apart with hand-tight holding, and when slightly cement paste drips as well.Mechanical agitation can make vermiculite granule damaged, therefore should adopt artificial mix.Artificial mix should be first by water and the uniform furnishing cement paste of cement, then by cement paste equably not on quantitative vermiculite, with sprinkling with mixing until evenly.Lay insulation layer, virtual resurfacing thickness is 130% of design thickness, with wooden bat plate make real, levelling, note the flashing gradient.
(6) cement lime slag insulation layer: front whitewash of constructing is vexed by slag, must not be less than 3 days, and slag or grain slag should be sieved before vexed system, size controlling is at 5 ~ 40mm.The most handy mechanical agitation, general match ratio is cement: lime: slag is 1: 1: 8, lays layered, roll extrusion, controls the density of virtual resurfacing thickness and designing requirement, by test, should ensure heat-insulating property.
In work progress of the present invention, should, by clean for the cleanings such as the sand of substrate surface, soil, lump foreign material, prevent from reducing trapping effect before it should be noted that vapour barrier construction.Loose, the tabular completed or integral heat insulation layer must not be constructed, should take the necessary measures, ensure that insulation layer is not damaged.Meanwhile, after insulation layer has been constructed, should spread in time and smear cement mortar screeding layer, to ensure heat insulation effect.
It should be noted that, above embodiment is only in order to illustrate technical solution of the present invention but not restriction technologies scheme, although applicant is explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solution of the present invention is carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the claims in the present invention scope.
Claims (4)
1. roofing heat-insulating layer construction technology, is carry out operation on the concrete of roofing, it is characterized in that, comprise the steps:
1) base cleaning: the foreign material on concrete surface and dust are cleaned out, then be drilled with on described concrete surface the locating hole that diameter is 1.5 ~ 2.6cm, the degree of depth of described locating hole is less than 1.8cm, described locating hole is cellular distribution, and the spacing in adjacent positioned hole is 10cm; Each installation crab-bolt in each described locating hole, the upper end of described crab-bolt passes outside locating hole, and the length that described crab-bolt is positioned at locating hole outside is 0.8 ~ 1.2cm; Described crab-bolt bottom is provided with the slot of opening shape, and the degree of depth of described slot is less than the degree of depth of locating hole, is provided with anti-slip veins at the middle part of described crab-bolt, is provided with the boss of ring-type in the upper outside of described crab-bolt, and described boss is positioned at locating hole outside;
2) snap the line looks for slope: on concrete, with the center of the locating hole in left side for starting point, marks the position of the instlated tubular that will lay respectively to right side in the horizontal direction with the slotted line being stained with pulverized limestone;
3) pipe root is fixed: on concrete, laterally lay some instlated tubulars along the position that slotted line marks, described instlated tubular is the pipe structure be made up of outer tube, middle pipe, secondary pipe and interior pipe, described middle pipe is between outer tube and secondary pipe, described interior pipe is positioned at inside time pipe, froth bed is filled with between outer tube and middle pipe, between described middle Guan Yuci pipe, be filled with bitumen layer, between described pipe and interior pipe, be filled with freezing liquid; The outer tube caliber of described instlated tubular is 25cm, and described instlated tubular lower end contacts with the crab-bolt in correspondence position locating hole and pushes against, and the two ends mouth of pipe of instlated tubular is all closely knit with pea gravel concreten filling blocking; Concrete is coated with in the outside of described instlated tubular, described instlated tubular and corresponding crab-bolt are connected by concrete and are solidified as a whole, and form an overall downward-sloping heat insulation inclined-plane on the surface after the concrete setting above instlated tubular at concrete;
4) vapour barrier is laid: after pipe root fixedly completes, the heat insulation chamfered surface formed after being fixed by pipe root is dry and cleaning is clean, described inclined-plane is laid one deck malthoid, the thickness of described malthoid is 2.6cm, described malthoid evenly lays one deck oil mat again, and the thickness of described oil mat is 1.8cm;
5) insulation layer is laid: on oil mat after the drying, be equipped with the first insulation layer, described first insulation layer forms by some pieces of warming plates are placed side by side successively, between described warming plate and oil mat, be filled with bituminous cements; Described first insulation layer is equipped with the second insulation layer, described second insulation layer is also form by some pieces of warming plates are placed side by side successively, warming plate on described first insulation layer and the warming plate mutual dislocation on the second insulation layer are placed, between the first insulation layer and the second insulation layer, be filled with cement slurry, described cement slurry is mixed by cement, lime and the river sand mass ratio according to 1:1.35:2.1; The thickness of described first insulation layer is 3.5cm, and the thickness of described second insulation layer is 4.2cm; Second insulation layer is equipped with the 3rd insulation layer, described 3rd insulation layer is that the thickness of described 3rd insulation layer is 1.65cm by the vermiculite of the slag of particle diameter 8mm, particle diameter 9.5mm and the perlite of the particle diameter 0.18mm mass ratio mixed compaction gained according to 2:1:0.2; Portland cement is filled with between the 3rd described insulation layer and the second insulation layer;
6) floating: after insulation layer has been laid, with vibration board, the upper surface of the 3rd insulation layer is smash flat.
2. roofing heat-insulating layer construction technology according to claim 1, is characterized in that, the warming plate in described first insulation layer is foam concrete plate, and the warming plate in described second insulation layer is aerated concrete panel.
3. roofing heat-insulating layer construction technology according to claim 2, is characterized in that, described portland cement cement and expanded vermiculite is mixed according to the tune that adds water after the mass ratio mixing of 1:13 to form, and the particle diameter of described expanded vermiculite is 8 ~ 15mm.
4. roofing heat-insulating layer construction technology according to claim 3, is characterized in that, the froth bed thickness in described instlated tubular is greater than the thickness of instlated tubular medium pitch layer, and the thickness of described instlated tubular medium pitch layer is 3 times of the thickness of freezing liquid in instlated tubular.
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| CN201510339086.5A CN104895255A (en) | 2015-06-18 | 2015-06-18 | Roof heat insulation layer construction process |
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| CN201510339086.5A CN104895255A (en) | 2015-06-18 | 2015-06-18 | Roof heat insulation layer construction process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863236A (en) * | 2018-07-27 | 2018-11-23 | 广州大学 | Exempt to stir the preparation method of Superlight ceramsites concrete cutting plate and exempts to stir Superlight ceramsites concrete cutting plate |
| CN113969648A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | Metal roof mounting structure |
-
2015
- 2015-06-18 CN CN201510339086.5A patent/CN104895255A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863236A (en) * | 2018-07-27 | 2018-11-23 | 广州大学 | Exempt to stir the preparation method of Superlight ceramsites concrete cutting plate and exempts to stir Superlight ceramsites concrete cutting plate |
| CN108863236B (en) * | 2018-07-27 | 2021-05-11 | 广州大学 | Preparation method of stirring-free ultralight ceramsite concrete cutting board and stirring-free ultralight ceramsite concrete cutting board |
| CN113969648A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | Metal roof mounting structure |
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Application publication date: 20150909 |