CN102518216A - Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure - Google Patents
Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure Download PDFInfo
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- CN102518216A CN102518216A CN2011104428715A CN201110442871A CN102518216A CN 102518216 A CN102518216 A CN 102518216A CN 2011104428715 A CN2011104428715 A CN 2011104428715A CN 201110442871 A CN201110442871 A CN 201110442871A CN 102518216 A CN102518216 A CN 102518216A
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Abstract
The invention relates to a cantilever type cover plate deformation joint structure of an accessible roof, and a construction method for the structure. One side wall of a deformation joint and a cantilever plate are cast in situ integrally, and the other side wall of the deformation joint is a brick wall which is built later; a flashing part has an R angle; the top of the brick wall which is built later is filled with stuffing; the top of the cantilever plate is provided with a cover plate; and two ends of the cover plate are provided with downward drip moulds. The construction method comprises the following steps of: pre-burying steel bars in one side of the deformation joint of the roof; measuring and setting out; erecting one side formwork; binding the walls and cantilever plate steel bars; cleaning a base course; erecting the other side formwork; pouring concrete; dismounting the formworks; cleaning the base course; building the other side wall; preparing the R angle of the flashing part; painting the walls; painting polymer cement (JS) waterproof paint; constructing a waterproof layer of the flashing part of the roof; filling the stuffing, namely bituminous hemp fibers; and painting the waterproof paint on the surface. Through the cantilever type cover plate deformation joint structure of the accessible roof, the phenomenon that the deformation joint of the roof leaks is avoided to the maximum extent under the condition of guaranteeing the function of the deformation joint.
Description
Technical field
The present invention relates to a kind of covering plate structure, be applicable to the covering of accessible roof deformation joint, roof panel and body of wall junction, particularly accessible roof cantilevered cover plate deformation joint structure and construction.
Technical background
At present; The conventional way of tradition deformation joint of roof is with iron sheet and concrete cover plate, proves through engineering practice for many years, adopts this way cost high; And at seam crossing seepage appears easily; As: seepage appears to the concrete cover plate in easy of crack at the longitudinal seam place, iron sheet get rusty easily receive crowded, step on the back crack at seam crossing, cause seepage.And, cause water percolation of wall because influences such as sedimentation, temperature deformation cause cover plate destruction in various degree, and both influenced result of use, influence attractive in appearance again.
Summary of the invention
The object of the present invention is to provide a kind of construction equipment less investment, construction technology is simple, need not to customize deformable cover-plate, and seam crossing is not cracked and seepage, deformation joint good endurance, not easy to crack, the deformation joint construction worker method destroyed.
For realizing above-mentioned purpose, the technical scheme that the present invention taked is accessible roof cantilevered cover plate deformation joint structure; Deformation joint one side wall body and cantilevered plate are that one is cast-in-place; The opposite side body of wall wall of laying bricks after being, the flashing position is " R " angle, after the wall top of laying bricks fill out embedding with filler.
The top of said cantilevered plate is provided with cover plate, and the two ends of cover plate are provided with downward drip.
Said filler is pitch flax silk mixture or hard polyurethane foam.
The job practices that the present invention adopted is:
1) deformation joint of roof one side embedded bar;
2) measure unwrapping wire;
3) install side template on one side;
4) colligation body of wall and cantilevered plate reinforcing bar;
5) cleaning basic unit;
6) install the another side side template;
7) build concrete;
8) maintenance and stripping;
9) cleaning basic unit;
10) build the opposite side body of wall by laying bricks or stones;
11) do angle, flashing position " R ";
12) whitewash body of wall;
13) brush JS water-repellent paint;
14) roofing flashing position construction of waterproof layer;
15) fill out embedding filler pitch flax silk;
16) external coating water-repellent paint.
The present invention can be under the situation that guarantees the deformation joint function; Adopt the board-like deformation joint of cantilever; One side wall body and cover plate put in order water, build brick wall by laying bricks or stones, carry out flashing both sides waterproof again at opposite side; And fill out embedding with the pitch flax silk at the masonry walls top, at utmost avoid the deformation joint of roof place seepage phenomenon to occur.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, cantilevered plate, 2, after the wall of laying bricks, 3, filler, 4, the flashing position, 5, cover plate, 6, drip.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is described further at present; Referring to Fig. 1; Accessible roof cantilevered cover plate deformation joint structure, deformation joint one side wall body and cantilevered plate 1 are that one is cast-in-place, the opposite side body of wall wall 2 of laying bricks after being; Flashing position 4 is " R " angle, after wall 2 tops of laying bricks fill out embedding with filler 3.The top of cantilevered plate 1 is provided with cover plate 5, and the two ends of cover plate 5 are provided with downward drip 6.Filler 3 is pitch flax silk mixture or hard polyurethane foam.
The job practices that is adopted is:
1) deformation joint of roof one side embedded bar;
2) measure unwrapping wire;
3) install side template on one side;
4) colligation body of wall and bridging piece reinforcing bar;
5) cleaning basic unit;
6) install the another side side template;
7) build concrete;
8) maintenance and stripping;
9) cleaning basic unit;
10) build the opposite side body of wall by laying bricks or stones;
11) do angle, flashing position " R ";
12) whitewash body of wall;
13) brush JS water-repellent paint;
14) roofing flashing position construction of waterproof layer;
15) fill out embedding filler pitch flax silk;
16) external coating water-repellent paint.
Embodiment:Accessible roof cantilever cover plate deformation joint structure; Deformation joint one side wall body and cantilevered plate 1 are that one is cast-in-place, and the opposite side body of wall is a brick wall 2, and body of wall is 12 single walls that clay solid brick is built by laying bricks or stones; Mortar adopts waterproofing mortar; Mix ratio of mortar is: 32.5Mpa cement: lime: medium sand: water: waterproof agent is 5:1:20:180:1, will guarantee when building a wall that mortar joint is full, and body of wall is generally built by laying bricks or stones apart from bridging piece lower limb 5-6cm.Flashing position 4 is " R " angle, and the concrete job practices of employing is: adopt with roof protecting layer and make " R " angle with the fine-stone concrete of proportioning, highly >=250mm." R " angle adopts the 1/4PVC pipe to be compression molded into circular arc.The top of cantilevered plate 1 is provided with cover plate 5; Purpose is that the lines roughness control is in 2mm/2m in work progress for the stereoeffect of outstanding bridging piece, and the bridging piece cornice is made the eagle mouth with cement mortar; Inboard embedding plastics row culture drip 6; Guarantee that rainwater can not flow to the wall body, outside body of wall waterproof roll is taped against bridging piece cornice place, pushes down with press strip.Filler 3 is selected pitch flax silk mixture or hard polyurethane foam for use.
The steps include:
1, deformation joint of roof one side embedded bar;
At first propose the conception plans of deformation joint construction, arrangement of reinforcement, construction size, the concrete strength of bridging piece are adjusted.When building roof panel, bury reinforcing bar in advance underground in deformation joint one side.
2, measure unwrapping wire
Utilize tape measure and ink fountain to eject center line and sideline, both sides (formwork is used) of reinforcing bar one side wall body.
3, install side template on one side
When template is installed, interim with propping up according to the earlier upright side template in sideline, with the plumb bob calibration template vertically, fix with leading thick stick then, fix with diagonal brace again.
4, colligation body of wall and bridging piece reinforcing bar
1) cement mortar or the plastic cushion used of prepare control concrete cover.The body of wall topping adopts plastics latch closure cushion block, and reinforcing bar gets into card chamber (because plastics latch closure cushion block is flexible) from Ka Zui during use, can make the size in card chamber can adapt to the variation of bar diameter.
When 2) assembling reinforcement (marking the reinforcement location line), the structure position of colligation complex forms,, and coordinate the sequencing of formwork and assembling reinforcement with the form fixer by the order in place of shuttling back and forth by the root reinforcing bar, difficult to reduce colligation.
5, cleaning basic unit
After reinforcing bar binding was good, inspection basic unit perhaps existed the basal plane of loose concrete will cut a hole hair to the smooth concrete face of platform and handles, utilize steel brush that basic unit is cleared up after finishing.
6, install the another side side template
1) after should waiting the reinforcing bar subsurface work acceptance qualified before the opposite side template is installed, after finishing, treatment of construction joints installs.By above-mentioned mold method the opposite side template is installed.
2) wall body bulging in order to prevent to build concrete, available 8 ~ No. 10 galvanized wire drawknot two side templates, spacing is not more than 1m, and galvanized wire will be arranged in length and breadth, and not high like body of wall, thickness is little, also can get final product at the two side templates joining seam wood that nails on suitable for reading.
In order to prevent wall form root spillage, produce " mashed root " phenomenon, before the wall mould is installed, paste sponge strip according to the unwrapping wire size in the side plate bottom, to accomplish smoothly, accurate, bonding is firmly and note the installation quality of screw rod through walls.
7, build concrete
1) before building concrete, the stability that the inspection template supports and the driving fit situation of form joint.Shine the moistening template of water, but do not allow ponding.
2) in work progress, the bottom should be filled out the thick cement mortar identical with the concrete proportioning with 10mm earlier, adopts the plug-in type vibrating head, and whenever shaking a little vibrates should make the concrete surface present laitance no longer to sink continuously.Build and leave standstill in the process at concrete, the crack of should taking measures to prevent to produce.Concrete should be revised before concrete final set because of the external crack of the unstructuredness of sedimentation and drying shrinkage generation.
8, maintenance and stripping
1) concrete curing: build the back heat and moisture preserving maintenance of carrying out concrete in 12 hours that finishes at concrete; Adopt the covering layer of plastic film to add the gunnysack maintenance again, the necessary strictness of covering work is conscientiously sturdy, and overlap joint is no less than 100mm between the film breadths; Covering curing is no less than 3 days, and water seasoning is no less than 7 days.
2) after concrete reaches certain intensity, can form removal.On the template dismounting date, should confirm by the intensity that design feature and concrete are reached.When removing side form, concrete strength will reach 1.2Mpa, guarantees that its surface and angle are not damaged because of stripping.
3) in time clear up foreign material such as the surperficial wood chip of concrete, iron wire, local spillage, honeycomb are repaired.
9, cleaning basic unit
What this cleaning basic unit was directed against is the cleaning of opposite side distortion tape edge concrete face under the cantilevered plate.Earlier surperficial rubbish is cleaned, water washes then, and the concrete face loose to the part will cut.
10, build the opposite side body of wall by laying bricks or stones
1) should flooring be cleaned out before building by laying bricks or stones, to shine water moistening, guarantees to have good caking property.Measure unwrapping wire on request.
2) lay bricks to clear up after finishing and build the residual mortar in place, position, foreign material etc. by laying bricks or stones, and carry out corresponding jointing and handle.
11, do angle, flashing position " R "
The flashing position of both sides body of wall and roofing handing-over is adopted with roof protecting layer and is made " R " angle with the fine-stone concrete of proportioning, highly >=and 250mm." R " angle adopts the 1/4PVC pipe to be compression molded into circular arc.
12, whitewash body of wall
1) cement mortar of proportioning is whitewashed the both walls body on request.When basic unit is concrete, should scrape plain-water slurry before plastering earlier together, before brick wall basic unit plastered, the suitable water of solarization earlier was moistening, watered and should carry out in the previous day of plastering, and metope is apparent when plastering swims.
2) whitewash thickness and should be controlled at 5～7mm every time, after one deck floated coat condenses before should treating, can whitewash back one deck, and carry out water seasoning.
3) after moulding is carried out, whenever cut shrinkage joint (width 2～3mm, the degree of depth is a depth of plastering) with cutting machine and link up up and down, prevent that the large tracts of land crack from appearring in rendering layer at a distance from 1～2m.
13, brush JS water-repellent paint
1) processing base level: remove construction rubbish with instruments such as spades, brooms, need use solvent clean like spot, basic unit has damaged or runs the sand phenomenon, needs finishing newly, and the negative and positive angular position is done in the arc-shaped when levelling.
2) be coated with primer: when Base Smoothness was relatively poor, (general ratio was the liquid material to an amount of water of fusion in the liquid material: after water=1:1.4) stirs, spread upon substrate surface and do primary coat.
3) polymer cement-base waterproof coating preparation: earlier water-repellent paint (according to the weight ratio of liquid material: powder=1:0.7) is prepared; Be stirred to evenly trickle with agitator; The mixture that does not contain granule can use; The labour that batching quantity was arranged according to engineering face and deadline decides, and the material for preparing should use up in 40 minutes.
4) covering libation at an ancient wedding ceremony material should be even, requires all around repeatedly brush to roll evenly, can not deposition be arranged the part, and facade, inclined-plane brushing should be prevented fluid stopping bob or blocked up from top to bottom.
5) big face layering is coated with and scrapes the JS water-repellent paint: divide in length and breadth direction to be coated with and scrape the JS water-repellent paint, back one coating should be at last coating surface drying but construction when not doing solid work (generally speaking, two-layer between about 4～8 hours) be as the criterion to refer to not touch stickingly.
14, roofing flashing position construction of waterproof layer
The construction of roofing flashing position should be added carcass material and strengthen by design or code requirement brushing JS water-repellent paint enhancement Layer in the middle of the coating.Receipts head place adopts the multipass brushing or obturages with encapsulant.
15, fill out embedding filler pitch flax silk
For the packing material at position, space, preferably adopt pitch flax silk (density is little, compressive strain is big, little) to fill out the embedding space, to guarantee waterproof effect to the malformation resistance.
16, external coating water-repellent paint
In order to strengthen waterproof and aesthetic, brushing chromatic waterproofing paint structurally, the concrete operations requirement is identical with step 13.
Claims (4)
1. accessible roof cantilevered cover plate deformation joint structure; It is characterized in that deformation joint one side wall body and cantilevered plate (1) are that one is cast-in-place, the opposite side body of wall wall (2) of laying bricks after being; Flashing position (4) is " R " angle, after wall (2) top of laying bricks fill out embedding with filler (3).
2. accessible roof cantilevered cover plate deformation joint structure according to claim 1 is characterized in that the top of said cantilevered plate (1) is provided with cover plate (5), and the two ends of cover plate (5) are provided with downward drip (6).
3. accessible roof cantilevered cover plate deformation joint structure according to claim 1 is characterized in that said filler (3) is pitch flax silk mixture or hard polyurethane foam.
4. the construction of an accessible roof cantilevered cover plate deformation joint structure as claimed in claim 1 is characterized in that job practices is:
1), deformation joint of roof one side embedded bar;
2), measure unwrapping wire;
3), install side template on one side;
4), colligation body of wall and bridging piece reinforcing bar;
5), cleaning basic unit;
6), install the another side side template;
7), build concrete;
8), maintenance and stripping;
9), cleaning basic unit;
10), build the opposite side body of wall by laying bricks or stones;
11), do angle, flashing position " R ";
12), whitewash body of wall;
13), brush JS water-repellent paint;
14), roofing flashing position construction of waterproof layer;
15), fill out embedding filler pitch flax silk;
16), external coating water-repellent paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104428715A CN102518216A (en) | 2011-12-27 | 2011-12-27 | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104428715A CN102518216A (en) | 2011-12-27 | 2011-12-27 | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518216A true CN102518216A (en) | 2012-06-27 |
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| CN2011104428715A Pending CN102518216A (en) | 2011-12-27 | 2011-12-27 | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure |
Country Status (1)
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| CN (1) | CN102518216A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817316A (en) * | 2012-08-22 | 2012-12-12 | 北京市市政专业设计院股份公司 | Expansion joint structure suitable for unequal-altitude connection |
| CN102852290A (en) * | 2012-10-17 | 2013-01-02 | 中国建筑第二工程局有限公司 | Roof parapet flashing position structure and construction method thereof |
| CN103741946A (en) * | 2013-12-27 | 2014-04-23 | 上海建工二建集团有限公司 | Construction method of vertical construction joint of bare concrete facing |
| CN105649222A (en) * | 2014-09-26 | 2016-06-08 | 安徽宝翔建设集团有限责任公司 | Treatment and construction method for connecting part of roof waterproof structure deformation joint and external wall |
| CN106245858A (en) * | 2016-08-01 | 2016-12-21 | 中国建筑第八工程局有限公司 | Accessible roof deformation joint construction method |
| CN107100284A (en) * | 2017-06-12 | 2017-08-29 | 国家电网公司 | Prevent iron tower of power transmission line bottom column material corrosion device |
| CN107514149A (en) * | 2016-06-15 | 2017-12-26 | 杭州盈润建筑技术有限公司 | A kind of impervious leakage-proof construction method of secondary structure |
| CN109056836A (en) * | 2018-08-27 | 2018-12-21 | 东华理工大学 | A kind of basement deformation joint structure of roof method of business internal street |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817316A (en) * | 2012-08-22 | 2012-12-12 | 北京市市政专业设计院股份公司 | Expansion joint structure suitable for unequal-altitude connection |
| CN102852290A (en) * | 2012-10-17 | 2013-01-02 | 中国建筑第二工程局有限公司 | Roof parapet flashing position structure and construction method thereof |
| CN103741946A (en) * | 2013-12-27 | 2014-04-23 | 上海建工二建集团有限公司 | Construction method of vertical construction joint of bare concrete facing |
| CN103741946B (en) * | 2013-12-27 | 2016-01-13 | 上海建工二建集团有限公司 | Construction method of vertical construction joints in fair-faced concrete facing |
| CN105649222A (en) * | 2014-09-26 | 2016-06-08 | 安徽宝翔建设集团有限责任公司 | Treatment and construction method for connecting part of roof waterproof structure deformation joint and external wall |
| CN107514149A (en) * | 2016-06-15 | 2017-12-26 | 杭州盈润建筑技术有限公司 | A kind of impervious leakage-proof construction method of secondary structure |
| CN106245858A (en) * | 2016-08-01 | 2016-12-21 | 中国建筑第八工程局有限公司 | Accessible roof deformation joint construction method |
| CN107100284A (en) * | 2017-06-12 | 2017-08-29 | 国家电网公司 | Prevent iron tower of power transmission line bottom column material corrosion device |
| CN109056836A (en) * | 2018-08-27 | 2018-12-21 | 东华理工大学 | A kind of basement deformation joint structure of roof method of business internal street |
| CN111395661A (en) * | 2020-04-22 | 2020-07-10 | 东莞市末客信息科技有限公司 | Construction method and structure of solid sealing of seam joints of water-contacting roofs with cantilever structure |
| CN111395661B (en) * | 2020-04-22 | 2021-09-21 | 东莞市末客信息科技有限公司 | Fixing and sealing construction method and structure of splicing seam of water-meeting roof with cantilever structure |
| CN113106842A (en) * | 2021-03-24 | 2021-07-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Trestle expansion joint structure |
| CN114607185A (en) * | 2021-11-29 | 2022-06-10 | 内蒙古电力（集团）有限责任公司内蒙古电力经济技术研究院分公司 | Coal conveying trestle roof board and coal conveying gallery roof connection structure of thermal power plant |
| CN114396142A (en) * | 2021-12-06 | 2022-04-26 | 天津一冶建设工程有限公司 | An improved method for waterproof construction of flooded eaves |
| CN118531961A (en) * | 2024-05-13 | 2024-08-23 | 浙江正匠建设工程有限公司 | BIM technology-based energy-saving roof structure and construction method thereof |
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Application publication date: 20120627 |