CN103590581A - Construction method of concrete flue top plate insulating layer - Google Patents
Construction method of concrete flue top plate insulating layer Download PDFInfo
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- CN103590581A CN103590581A CN201310481704.0A CN201310481704A CN103590581A CN 103590581 A CN103590581 A CN 103590581A CN 201310481704 A CN201310481704 A CN 201310481704A CN 103590581 A CN103590581 A CN 103590581A
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Abstract
The invention discloses a construction method of a concrete flue top plate insulating layer. The method includes the steps of firstly, setting a bottom form plate of a top plate after the construction of the concrete structure below the top plate is completed, and moving the bottom form plate downwards at the distance equaling to the thickness of one insulating layer; secondly, setting a retaining plate vertically standing on the inner side of a concrete lateral wall and with the height equaling to the thickness of the insulating layer on the periphery of the bottom form plate; thirdly, binding a reinforcing steel bar mesh piece above the bottom form plate, setting a cushion block placed on the bottom form plate belong the reinforcing steel bar mesh piece, and allowing the reinforcing steel bar of the reinforcing steel bar mesh piece to have an anchoring section penetrating the retaining plate into the concrete lateral wall; fourthly, allowing the lower hook body of each vertical hook to be hooked on the reinforcing steel bar mesh piece, binding each lower hook body, pouring fire-resistant coatings on the bottom form plate, and toweling the coatings while pouring; fifthly, laying an expanded perlite board on the fire-resistant coatings; sixthly, plastering a layer of cement mortar on the expanded perlite board. By the method, construction period can be shortened, construction materials can be saved, and construction cost can be lowered.
Description
Technical field
The present invention relates to a kind of insulation layer job practices, particularly relate to a kind of concrete flue top board insulation layer job practices.
Background technology
Existing steel concrete flue is long with its service time, and the features such as good airproof performance are application for a long time in industrial production, and insulation layer has played vital effect to the protection of concrete durability in flue.Refer to Fig. 1, the present stage construction of flue layer adopts the method for spraying more, steps of the method are: one) complete concrete flue construction, and in concrete roof 2, shift to an earlier date pre-buried vertical reinforcement drag hook 5; Two) Φ 6 reinforced mesh 8 that colligation is connected with pre-buried vertical reinforcement drag hook 5 lower ends below concrete roof 2; Three) below concrete roof 2, spray the fire-proof spray coating 6-diatomaceous earth that 80mm is thick; Four) smear the thick fireclay mortar 10 of 20mm.Reinforced mesh 8 is between fire-proof spray coating 6 and fireclay mortar 10.The construction of insulation layer need to be carried out after the form removable of flue concrete roof, directly affects construction speed, makes claim for eot.Also have the construction that adopts the method spraying from below to complete refractory material and fireclay mortar, can waste part refractory material and fireclay mortar, increase construction cost.
Summary of the invention
The present invention provides a kind of concrete flue top board insulation layer job practices for solving the technical problem existing in known technology, and the method can shorten the construction period, saves construction material, reduces construction cost.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is: a kind of concrete flue top board insulation layer job practices, comprises the following steps:
One) below top board part concrete structure construction complete after, install the soffit formwork of top board, and the position of soffit formwork moved down to an insulation layer thickness;
Two) surrounding at soffit formwork installs the baffle plate that is erected at concrete side wall inner side, and the height of described baffle plate is more than or equal to the thickness of insulation layer;
Three) assembling reinforcement net sheet above soffit formwork arranges cushion block below reinforced mesh, and cushion block is seated in above soffit formwork; And the reinforcing bar that forms reinforced mesh is provided with the anchoring section that stretches into concrete side wall through baffle plate;
Four) the lower end drag hook of vertical drag hook is hooked on reinforced mesh and colligation, builds fire-proof spray coating on soffit formwork, fire-proof spray coating is with building with floating simultaneously;
Five) on fire-proof spray coating, lay expanded perlite plate;
Six) on expanded pearlite rock beam, smear one deck cement mortar.
Advantage and good effect that the present invention has are: by adopt the method for constructing before the form removable of flue concrete roof, accelerated construction speed, shortened the construction period; By adopt the method for constructing on soffit formwork, save the consumption of fire-proof spray coating and cement mortar simultaneously, reduced construction cost.And flow process of the present invention is simple, processing ease.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing flue layer;
Fig. 2 is structural representation of the present invention.
In figure: 1, baffle plate, 2, concrete roof, 3, cement mortar, 4, expanded pearlite rock beam, 5, vertical reinforcement drag hook, 6, fire-proof spray coating, 7, soffit formwork, 8, reinforced mesh, 9, concrete side wall, 10, fireclay mortar.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 2, a kind of concrete flue top board insulation layer job practices, comprises the following steps:
One) below top board part concrete structure construction complete after, install the soffit formwork 7 of top board, and the position of soffit formwork 7 moved down to an insulation layer thickness.After soffit formwork 7 has installed, the foreign material of cleaning on soffit formwork 7, and water rinses wood chip well, after water is dry on soffit formwork 7 brushing interleaving agent, while preventing form removal, fire-proof spray coating is glued.
Two) surrounding at soffit formwork 7 installs the baffle plate 1 that is erected at concrete side wall 9 inner sides, and the height of described baffle plate 1 is more than or equal to the thickness of insulation layer.On baffle plate 1, want perforate, to form the reinforcing bar of reinforced mesh 8, can pass.
Three) assembling reinforcement net sheet 8 above soffit formwork 7 arranges cushion block below reinforced mesh 8, and cushion block is seated in above soffit formwork 7; And the reinforcing bar that forms reinforced mesh 8 is provided with the anchoring section that stretches into concrete side wall 9 through baffle plate 1.Should be in strict accordance with drawing requirement, control rebar spacing well, reinforced mesh 8 below must cushion block to guarantee thickness of protection tier, according to code requirement, control reinforcing bar and anchor into the length in concrete side walls 9.
Four) the lower end drag hook of vertical reinforcement drag hook 5 is hooked on reinforced mesh 8, and colligation, on soffit formwork 7, build fire-proof spray coating 6 simultaneously, fire-proof spray coating 6 should be with building with floating.Vertical reinforcement drag hook 5 will be according to design, and space distance control, according to the anchorage length blanking of code requirement; During fire-proof spray coating 6 after building mix, because vertical reinforcement drag hook 5 compares comparatively dense, if in advance vertical reinforcement drag hook 5 is tied up on reinforced mesh 8, be unfavorable for that workman constructs, therefore fire-proof spray coating is built and will be carried out with the colligation of vertical reinforcement drag hook simultaneously, and fire-proof spray coating will be with building with floating.
Five) on fire-proof spray coating 6, lay expanded perlite plate 4.Because fire-proof spray coating setting and harden is than very fast, for preventing that fire-proof spray coating from being stepped on when the upper people, split, so after fire-proof spray coating has been smeared, should lay at once expanded pearlite rock beam 4.
Six) on expanded pearlite rock beam 4, smear one deck cement mortar 3.After having spread expanded pearlite rock beam 4; smear in the above the cement mortar 3 of 2 centimeters of one decks, to expanded pearlite rock beam 4 and below structure protected, prevent from time damaging carrying out concrete roof construction; while also preventing from building concrete roof, the water in concrete immerses expanded pearlite rock beam 4.
After cement mortar reaches design strength, remove the baffle plate of its surrounding, and complete the construction of concrete roof 2.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, within these all belong to protection scope of the present invention.
Claims (1)
1. a concrete flue top board insulation layer job practices, is characterized in that, comprises the following steps:
One) below top board part concrete structure construction complete after, install the soffit formwork of top board, and the position of soffit formwork moved down to an insulation layer thickness;
Two) surrounding at soffit formwork installs the baffle plate that is erected at concrete side wall inner side, and the height of described baffle plate is more than or equal to the thickness of insulation layer;
Three) assembling reinforcement net sheet above soffit formwork arranges cushion block below reinforced mesh, and cushion block is seated in above soffit formwork; And the reinforcing bar that forms reinforced mesh is provided with the anchoring section that stretches into concrete side wall through baffle plate;
Four) the lower end drag hook of vertical drag hook is hooked on reinforced mesh and colligation, builds fire-proof spray coating on soffit formwork, fire-proof spray coating is with building with floating simultaneously;
Five) on fire-proof spray coating, lay expanded perlite plate;
Six) on expanded pearlite rock beam, smear one deck cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481704.0A CN103590581A (en) | 2013-10-15 | 2013-10-15 | Construction method of concrete flue top plate insulating layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310481704.0A CN103590581A (en) | 2013-10-15 | 2013-10-15 | Construction method of concrete flue top plate insulating layer |
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| CN103590581A true CN103590581A (en) | 2014-02-19 |
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| CN201310481704.0A Pending CN103590581A (en) | 2013-10-15 | 2013-10-15 | Construction method of concrete flue top plate insulating layer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141377A (en) * | 2014-07-07 | 2014-11-12 | 天津二十冶建设有限公司 | Method for constructing thermal insulating layer of concrete flue top plate |
| CN108822876A (en) * | 2018-06-21 | 2018-11-16 | 中国二十二冶集团有限公司 | Coke oven divides flue bent pipe construction method of installation and dedicated wooden box |
| CN110541474A (en) * | 2019-09-07 | 2019-12-06 | 深圳市建工集团股份有限公司 | Heat-insulating layer integrated convex window top plate and construction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079546A (en) * | 1993-05-29 | 1993-12-15 | 孙长福 | The method for production of glass fiber reinforced cement smoke flue |
| CN1442590A (en) * | 2002-08-26 | 2003-09-17 | 大连国利新型建材有限公司 | Roof boarding heat insulating and water proof structure and its fabricating method |
-
2013
- 2013-10-15 CN CN201310481704.0A patent/CN103590581A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079546A (en) * | 1993-05-29 | 1993-12-15 | 孙长福 | The method for production of glass fiber reinforced cement smoke flue |
| CN1442590A (en) * | 2002-08-26 | 2003-09-17 | 大连国利新型建材有限公司 | Roof boarding heat insulating and water proof structure and its fabricating method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141377A (en) * | 2014-07-07 | 2014-11-12 | 天津二十冶建设有限公司 | Method for constructing thermal insulating layer of concrete flue top plate |
| CN108822876A (en) * | 2018-06-21 | 2018-11-16 | 中国二十二冶集团有限公司 | Coke oven divides flue bent pipe construction method of installation and dedicated wooden box |
| CN110541474A (en) * | 2019-09-07 | 2019-12-06 | 深圳市建工集团股份有限公司 | Heat-insulating layer integrated convex window top plate and construction method |
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Application publication date: 20140219 |