CN1651674A - Wall body heat insulating construction method - Google Patents

Wall body heat insulating construction method Download PDF

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Publication number
CN1651674A
CN1651674A CN 200510042470 CN200510042470A CN1651674A CN 1651674 A CN1651674 A CN 1651674A CN 200510042470 CN200510042470 CN 200510042470 CN 200510042470 A CN200510042470 A CN 200510042470A CN 1651674 A CN1651674 A CN 1651674A
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CN
China
Prior art keywords
heat insulation
insulation formwork
polymer mortar
heat
construction
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Application number
CN 200510042470
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Chinese (zh)
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CN1298947C (en
Inventor
肖绪文
谢刚奎
王桂玲
周洪涛
万成梅
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中国建筑第八工程局技术中心
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Priority to CNB2005100424705A priority Critical patent/CN1298947C/en
Publication of CN1651674A publication Critical patent/CN1651674A/en
Application granted granted Critical
Publication of CN1298947C publication Critical patent/CN1298947C/en

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Abstract

The present invention discloses a wall body heat-insulating construction method. Said method includes the following main construction steps: firstly, making heat-insulating form and its support, binding steel bar of base wall body, supporting general form at inside of basewall body position, and placing support, then placing heat-insulating form embedded stay bolt at outside of base wall body position, placing wood square at outside of heat-insulating form, placing steel pipe at outside of wood square, concreting, after the concrete is formed, repairing heat-insulating form and making surface treatment, using grooving machine to cut recessed groove on heat-insulating form to make dividing seam, brushing interfacial agent, applying first layer of polymer mortar, laying grid fabric, applying second layer of polymer mortar, finally making surface construction.

Description

A kind of wall body heat insulating construction method

Technical field

The present invention relates to wall thermal insulation technology, is a kind of wall body heat insulating construction method.

Background technology

Construction wall insulation at present has more multiple job practices: for example: sandwiched thermal-insulating wall is to 4 clover leaf truss of direction the both sides steel fabric sheet to be welded into network frame plate by the steel fabric sheet sandwich, form composite shear wall behind the fluid concrete of two sides, the deficiency of this construction is to change bigger to wall body structure, structural performance needs a large amount of testing and verifications, construction technology has bigger difference with traditional technology, and it is bigger to promote difficulty; The deficiency of building block formula heat insulation formwork is: can not realize one-sided insulation, bigger to traditional shear wall structure change, applicability is relatively poor etc.; The deficiency of modular heat insulation formwork is: can not realize one-sided wall thermal insulating, the heat insulating material consumption is relatively large, has taken the interior space, and structural performance must be after testing, and arrangement of reinforcement is more difficult, poor for applicability than building block formula heat insulation formwork system simultaneously; The deficiency of modified modular template system is: because module memory is at a considerable amount of folding hooks position muscle, module arranged outside expanded metal lath, except that minority constructional column, beam steel are set, inside modules is difficult to other steel bar stress of configuration, so be difficult to meet domestic code for structural design requirement on arrangement of reinforcement).The deficiency of large die built-in is: must use the big punching block of typing outside heat insulation formwork; The deficiency of subsides method is behind the heat insulation formwork of normal use: heat preservation construction must carry out after main structure construction is finished, and construction is subjected to climatic effect bigger, and the duration be cannot say for sure card etc.

Summary of the invention

The objective of the invention is, a kind of wall body heat insulating construction method is provided, it forms insulation layer and deck simultaneously, crab-bolt is set simultaneously, guarantees the bonding of insulation layer, make its connectivity good with basic unit's body of wall, but the reduction of erection time is saved operating expenses, does not need the structural system of body of wall is changed.

The present invention for achieving the above object, be achieved through the following technical solutions: a kind of wall body heat insulating construction method, comprise following construction sequence: at first make heat insulation formwork and supporting thereof, basic unit's body of wall reinforcing bar binding, inboard supporting common templates in basic unit body of wall position, and its support is set, then at the arranged outside heat insulation formwork of basic unit body of wall position, cast-in fixing bolt on heat insulation formwork, heat insulation formwork arranged outside flitch, flitch arranged outside steel pipe, then at basic unit's body of wall position concreting, behind the concrete formation, remove common templates, flitch and steel pipe, heat insulation formwork is repaired and surfacing, use notcher on heat insulation formwork, to cut out groove to make the lattice seam, on heat insulation formwork, brush interfacial agents then, treat that interfacial agents is dried to and smear the first floor polymer mortar after meeting the demands, on polymer mortar, lay grid cloth, grid cloth is pressed into polymer mortar layer makes its tight contact, treat that polymer mortar is dried to when tack-free, outside grid cloth, smear second layer polymer mortar again, last surface construction.Described second layer polymer mortar thickness is the 1-2.5 millimeter.Described flitch adopts bolt special to be connected with steel pipe, connects into the lifting of whole back and puts in place.Fastener for installing on the screw rod, fastener are the figure-three shape.During described concreting, the feed opening place is provided with chute, and concreting in lifts, layering are vibrated, and layer height is 450-550mm.Described on heat insulation formwork the brushing interfacial agents, its thickness is the 0.7-1 millimeter.

The invention has the advantages that: insulation layer and basic unit's wall body structure layer form simultaneously, serve as that does not change the structural system of building on the basis with traditional wall body structure, do not need to carry out structure tension performance and identify, have reduced obstacle for promoting the use of, and are easy to promote.Expense is saved.With the large die built-in system relatively, saved the template configuration that heat insulation formwork one side is arranged, labour cost, mechanical expense when having saved template cost of use and construction.Subsides method in back has relatively been saved a large amount of stickup work and the therefore use of the vertical transportation equipment of increase after main body construction finishes together.The building number of plies is not had specific (special) requirements, as long as concrete (or other inserts) body of wall is arranged, high-rise and low-rise building all can be used this method.Duration is short.Because insulation layer isostructure layer forms simultaneously, need outside forming the back, not paste deck heat insulation formwork (fit system outside the heat insulation formwork), shortened the duration, a large amount of artificial and expense for using mechanical equipment of also having avoided construction in later period to increase is used.Switching performance is good.Switching performance is from two aspects: at first crab-bolt is to be embedded in the body of wall, and after the concreting, in conjunction with closely, point connects effect and is guaranteed crab-bolt with concrete; Next is to produce interlocking with heat insulation formwork in the concrete hydrating condensation process, and face connects effect and also can be guaranteed.Outside finish is selected many, owing to crab-bolt is that concrete formation is before just pre-buried, can reach the function of using face brick by pre-buried different crab-bolt.Heat insulation formwork of the present invention is directly made template usefulness, has saved engineering time and expense, and has further guaranteed the interlock of heat insulation formwork and body of wall.

Description of drawings

Accompanying drawing 1 is the present invention's back wall constructional drawing of constructing;

Accompanying drawing 2 is concreting rear pattern plate constructional drawings of the present invention;

Accompanying drawing 3 is flitch and steel pipe connection diagrams in the job practices of the present invention;

Accompanying drawing 4 is the left TV structure schematic diagram of accompanying drawing 3.

Among the figure, the 1st, basic unit's body of wall, the 2nd, heat insulation formwork, the 3rd, first floor polymer mortar, the 4th, grid cloth, the 5th, second layer polymer mortar, the 6th, outside finish, the 7th, crab-bolt, the 8th, common templates, the 9th, flitch, the 10th, steel pipe, the 11st, special-purpose connecting screw rod, the 12nd, fastener.

The specific embodiment

The present invention includes following steps: at first make heat insulation formwork 2 and supporting thereof, basic unit's body of wall reinforcing bar binding, inboard supporting common templates 8 in basic unit's body of wall 1 position, and its support is set, then at the arranged outside heat insulation formwork 2 of basic unit's body of wall 1 position, cast-in fixing bolt 7 on heat insulation formwork 2, heat insulation formwork 2 arranged outside flitches 9, flitch 9 arranged outside steel pipes 10, then at basic unit's body of wall 1 position concreting, behind the concrete formation, remove common templates 8, flitch 9 and steel pipe 10, heat insulation formwork 2 is repaired and surfacing, used notcher on heat insulation formwork 2, to cut out groove, on heat insulation formwork 2, brush interfacial agents then to make the lattice seam, treat to smear first floor polymer mortar 3 after the interfacial agents drying, on first floor polymer mortar 3, lay grid cloth 4, grid cloth 4 is pressed into makes its tight contact in the first floor polymer mortar 3, treat that first floor polymer mortar 3 is dried to when tack-free, outside grid cloth 4, smear second layer polymer mortar 5 again, last surface construction.Described second layer polymer mortar 5 thickness are the 1-2.5 millimeter.Described flitch 9 adopts bolt special 11 to be connected with steel pipe 10, connects into the lifting of whole back and puts in place.Fastener for installing 12 on the screw rod 11.The shape of fastener 12 is the figure-three shape, sees accompanying drawing 4.During described concreting, the feed opening place is provided with chute, and concreting in lifts, layering are vibrated, and layer height is 450-550mm.Described on heat insulation formwork 2 the brushing interfacial agents, its thickness is the 0.7-1 millimeter.

Concrete construction sequence is as follows:

1, the making of heat insulation formwork 2 and supporting thereof

Should carry out template cutting, walkthrough, numbering according to wall size and supporting keel before heat insulation formwork 2 installs, vertical piece should be as far as possible on same straight line, and should guarantee that heat insulation formwork 2 vertical edge joint positions have the keel support.The door and window hole bight should be adopted a whole plate to cut out an angle of 90 degrees and be done the angle, hole.Door and window hole place and body of wall edge use bulk heat insulation formwork 2.Press figure and on the heat insulation formwork after the cutting 2, bore anchor hole and split bolt hole.The quantity of crab-bolt 7 is every square metre and is no less than 6, and external corner, hole edge place should be encrypted.Crab-bolt 7 is not less than 60mm apart from the basic unit edge.The length that crab-bolt 7 enters layer of concrete is not less than 50mm.Connecting screw rod 11 by special use connects into integral body with flitch 9 and steel pipe 10 by concrete wall size, and described fastener 12 and special-purpose connecting screw rod 11 can make the connection of flitch 9 steel pipes 10 more firm, and then guarantees the interlock of insulation layer and basic unit's body of wall.The shape of fastener 12 is the figure-three shape.The structure of connecting screw rod 11 and fastener 12 is seen Fig. 3, Fig. 4; During installation, integral hoisting puts in place and gets final product.Will matching with the assembly unit situation of heat insulation formwork 2 in the position of flitch 9, guarantees that there are flitch 9 supportings in the edge of heat insulation formwork 2.

2, heat insulation formwork 2 supportings

After inner side template installs and finishes, heat insulation formwork 2 is installed to correspondence position from bottom to top by the walkthrough numbering.Split bolt and bolt sleeve should be tentatively in place on interior side rail (gummed) template, when heat insulation formwork 2 is in place, connecting screw rod 11 pushed in heat insulation formwork 2 holes.When installing heat insulation formwork 2, drift-bolt 7 can be used with the body of wall reinforcing bar and be pricked the silk colligation with temporary fixed heat insulation formwork 2.After heat insulation formwork 2 supportings finish, must inspect for acceptance, can carry out next procedure after qualified it.

3, concreting

Common templates 8 and heat insulation formwork 2 install finish and reinforce check and accept after, can carry out concreting.Concrete answers placement layer by layer, layering to vibrate, and layer height should be controlled at about 500mm.During concreting, should there be chute at the feed opening place, avoids the direct impact of concrete to heat insulation formwork 2.The same common process of other concrete construction items.Finish rear pattern plate structure of concreting is seen Fig. 2.

4, heat insulation formwork 2 dismountings, heat insulation formwork 2 are repaired and surfacings

Carry out maintenance behind the concrete formation, maintenance reaches dismountable heat insulation formwork 2 surface support in stipulated time rear and Screw arbor with nut at both-ends.Increase crab-bolt 7 as palpus after heat insulation formwork 2 surface support are removed, can hole the bloated bolt of plastics is installed.After the plastics that the add bolt that expands also be not less than 60mm apart from basic unit's marginal dimension, disk and heat insulation formwork 2 flush or slightly deeper.Before the brush interfacial agents, must handle heat insulation formwork 2 surfaces, comprise the surperficial slurry of cleaning, plate splicing uneven place polishing, hole and breakage repairing etc.The cleaning of slurry can be used methods such as plank or carpenter's trowel is patted, rubbing.Available sand paper or hand electric grinder buffing must be polished by the uneven place of heat insulation formwork 2 splicings.After the polishing, must clear up the chip on surface with brush or compressed air.

Hole repair should be handled in this operation as far as possible, to guarantee the construction of grid cloth monoblock.Can't handle, can be in surface layer mortar construction finishing post processing.Must repair smoothly with polymer mortar to depression and hole for nailing place, can carry out next procedure after drying.According to designing requirement, on heat insulation formwork 2, eject lattice seam position with the China ink head, on heat insulation formwork 2, put the location guiding ruler after the confirmation, use notcher to cut out groove.In the position of lattice seam, grid cloth should disconnect.

5, brushing interfacial agents

Before the brush interfacial agents, must check earlier whether heat insulation formwork 2 is dry, and there is free from admixture etc. on the surface.On heat insulation formwork 2, brush interfacial agents together with spread pen or cylinder, dry, just can carry out next procedure to sticking hand.

6, smear first floor polymer mortar 3

After the brush interfacial agents, must treat that interfacial agents is dried to and meet manufacturer and require sticking hand or tack-freely can smear first floor polymer mortar 3.The proportioning of polymer mortar and preparation should meet the product description requirement.Smear the first floor polymer mortar 2 that one deck area is slightly larger than grid cloth, thickness 1.6-3.5mm with trowel on heat insulation formwork 2 surfaces.

7, lay grid cloth 4

To stretch tight flatly with grid cloth 4 is exceptionally straight during use, laterally lay.With the one side of grid cloth 4 bendings inwardly, both sides are floating with grid cloth 4 up and down by the centre with trowel, make it be close to first floor polymer mortar 3.After being pressed into grid cloth 4, first floor polymer mortar 3 should cover grid cloth 4 substantially.Standard grid cloth 4 (plain edition) should overlap up and down, is not less than 100mm about lap length, is not less than 80mm up and down.Strengthening grid cloth 4 need not overlap, and need only dock.Grid cloth 4 pavings should smooth, corrugationless, full degree of mortar at bed joint 100%.Door and window hole inner peripheral and hole all should add one deck grid cloth 4 for four jiaos and strengthen.The grid cloth 4 that the hole is strengthened is inboard from the hole, translates into 200mm on the metope heat insulation formwork 2, lays outer bulk grid cloth 4 then.The four jiaos of grid cloth in hole are of a size of 300mm * 200mm, are on the reinforcement grid cloth 4 that miter angle sticks on the hole periphery.The grid cloth 4 of corner place both direction all should snap into another face wall, and lap length first floor negative and positive angle is 200mm, and two layers and above external corner are 200mm, and inner corner trim is 100mm.Terminal region and heat-preserving wall are with non-heat-preserving wall intersection in door and window hole, body of wall end etc., and grid cloth 4 must be routed on basic unit's body of wall 1, overlaps lap width 100mm with basic unit's body of wall 1.Grid cloth 4 should disconnect in floor layering place, must not link to each other.

8, smear second layer polymer mortar 5

The proportioning of second layer polymer mortar 5 and preparation should meet the product description requirement.After being pressed into grid cloth 4 on the first floor polymer mortar 3, treat mortar solidify be dried to the surface tack-free, can begin to smear second layer polymer mortar 5, the about 1-2.5mm of thickness is as the criterion to cover grid cloth 4.Second layer polymer mortar 5 floating getting final product must not be received the slurry press polish.After 5 constructions of second layer polymer mortar finished, maintenance 24h in cold and humid area, answered the proper extension curing time at least.Two layers of polymers mortar gross thickness is 3-5mm.If used reinforced grid cloth, gross thickness is controlled at 5-6mm.

9, finish coat construction

Outside finish 6 constructions are with the outside finish construction on ordinary concrete shear wall surface.

Claims (6)

1, a kind of wall body heat insulating construction method, it is characterized in that: comprise following construction sequence: at first make heat insulation formwork (2) and supporting thereof, basic unit's body of wall (1) reinforcing bar binding, inboard supporting common templates (8) in basic unit's body of wall (1) position, and its support is set, then at the arranged outside heat insulation formwork (2) of basic unit's body of wall (1) position, go up cast-in fixing bolt (7) at heat insulation formwork (2), heat insulation formwork (2) arranged outside flitch (9), flitch (9) arranged outside steel pipe (10), then at basic unit's body of wall (1) position concreting, behind the concrete formation, remove common templates (8), flitch (9) and steel pipe (10), heat insulation formwork (2) is repaired and surfacing, use notcher on heat insulation formwork (2), to cut out groove to make the lattice seam, go up the brush interfacial agents at heat insulation formwork (2) then, treat to smear first floor polymer mortar (3) after the interfacial agents drying, on polymer mortar, lay grid cloth (4), grid cloth (4) is pressed into polymer mortar layer makes its tight contact, treat that polymer mortar is dried to when tack-free, outside grid cloth (4), smear second layer polymer mortar (5) again, last surface construction.
2, a kind of wall body heat insulating construction method according to claim 1 is characterized in that: second layer polymer mortar (5) thickness is the 1-2.5 millimeter.
3, a kind of wall body heat insulating construction method according to claim 1 is characterized in that: flitch (9) adopts special-purpose connecting screw rod (11) to be connected with steel pipe (10), connects into the lifting of whole back and puts in place.
4, a kind of wall body heat insulating construction method according to claim 3 is characterized in that: connecting screw rod (11) is gone up fastener for installing (12), and fastener (12) is the figure-three shape.
5, a kind of wall body heat insulating construction method according to claim 1 is characterized in that: during concreting, the feed opening place is provided with chute, and concreting in lifts, layering are vibrated, and layer height is 450-550mm.
6, a kind of wall body heat insulating construction method according to claim 1 is characterized in that: go up the brushing interfacial agents at heat insulation formwork (2), its thickness is the 0.7-1 millimeter.
CNB2005100424705A 2005-03-02 2005-03-02 Wall body heat insulating construction method CN1298947C (en)

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Application Number Priority Date Filing Date Title
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CN1651674A true CN1651674A (en) 2005-08-10
CN1298947C CN1298947C (en) 2007-02-07

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100443687C (en) * 2007-01-17 2008-12-17 哈尔滨鸿盛房屋节能体系研发中心 Supporting structure for wall construction, and supporting method
WO2009012660A1 (en) * 2007-07-26 2009-01-29 Shuhuan Wu A composite wall with steel bar and/or metal wire mesh and mortar on internal and external sides thereof and bonding construction method therefor to resist cracking
CN101892714A (en) * 2010-07-27 2010-11-24 胡永忠 Prefabricated cold and heat bridge thermal insulation board
CN101603335B (en) * 2008-06-12 2012-05-23 黑龙江宇辉新型建筑材料有限公司 Once formed precast concrete shear wall with heat preserving veneer and production method thereof
CN103669620A (en) * 2013-11-12 2014-03-26 苏州天顺建筑科技有限公司 Exterior wall construction technology using insulation board adhesive mortar
CN108505677A (en) * 2018-04-02 2018-09-07 沈阳建筑大学 A kind of production method of prefabricated disconnected heat bridge construction wall

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100903B (en) * 1992-09-30 1998-03-13 Gantan Beauty Kogyo Kk Support device for use in the manufacture of a concrete wall and concrete wall construction
FR2738581A1 (en) * 1995-09-12 1997-03-14 Dauron Francoise Lost formwork for the production of thermally and / or phonetically insulating carrier walls and walls obtained
JP3071150B2 (en) * 1996-11-01 2000-07-31 スチライト工業株式会社 Building exterior wall construction method
CN2441896Y (en) * 2000-08-17 2001-08-08 黄振利 Poly phenyl composite thermal insulation wall surface
CN1153875C (en) * 2001-07-31 2004-06-16 大连丽美顺涂料树脂有限公司北京分公司 Insulating system of external wall and its construction technology
CN2607401Y (en) * 2003-04-02 2004-03-24 甘肃省农业科学院蔬菜研究所 Light composite wall heat insulation board for greenhouse
CN1528993A (en) * 2003-10-17 2004-09-15 北京当代鸿运房地产经营开发有限公司 Energy-saving exposed-wall fending system and constrution method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100443687C (en) * 2007-01-17 2008-12-17 哈尔滨鸿盛房屋节能体系研发中心 Supporting structure for wall construction, and supporting method
WO2009012660A1 (en) * 2007-07-26 2009-01-29 Shuhuan Wu A composite wall with steel bar and/or metal wire mesh and mortar on internal and external sides thereof and bonding construction method therefor to resist cracking
CN101603335B (en) * 2008-06-12 2012-05-23 黑龙江宇辉新型建筑材料有限公司 Once formed precast concrete shear wall with heat preserving veneer and production method thereof
CN101892714A (en) * 2010-07-27 2010-11-24 胡永忠 Prefabricated cold and heat bridge thermal insulation board
CN103669620A (en) * 2013-11-12 2014-03-26 苏州天顺建筑科技有限公司 Exterior wall construction technology using insulation board adhesive mortar
CN108505677A (en) * 2018-04-02 2018-09-07 沈阳建筑大学 A kind of production method of prefabricated disconnected heat bridge construction wall

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Owner name: CHINA BUILDING 8TH ENGINEERING BUREAU CO., LTD.

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