CN110485650A - A kind of water-proof system and its construction method of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving - Google Patents
A kind of water-proof system and its construction method of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving Download PDFInfo
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- CN110485650A CN110485650A CN201910773258.8A CN201910773258A CN110485650A CN 110485650 A CN110485650 A CN 110485650A CN 201910773258 A CN201910773258 A CN 201910773258A CN 110485650 A CN110485650 A CN 110485650A
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 116
- 238000010276 construction Methods 0.000 title claims abstract description 88
- 239000000463 material Substances 0.000 title claims abstract description 46
- 239000010410 layer Substances 0.000 claims abstract description 90
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- 239000011505 plaster Substances 0.000 claims abstract description 21
- 238000005336 cracking Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 239000002674 ointment Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000004078 waterproofing Methods 0.000 claims abstract description 14
- 239000011083 cement mortar Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 18
- 239000004567 concrete Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000003079 width control Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 238000013467 fragmentation Methods 0.000 description 4
- 238000006062 fragmentation reaction Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A kind of water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving; applied to the corner of parapet of roofing and roof boarding junction, the water-proof system include the coat of plaster being arranged on parapet of roofing and be arranged in construction roof boarding on screed-coat, insulating layer, separation layer, protective layer and waterproof layer；The water-proof system further includes paving in the modular precast concrete circular arc chamfering of the corner of parapet of roofing Yu roof boarding junction；Cracking resistance reinforcing bar is equipped in the precast concrete circular arc chamfering；The closing in of waterproof flashing is provided at the spelling joint of the coat of plaster of the precast concrete circular arc chamfering and parapet；There are gap at spelling joint between the precast concrete circular arc chamfering, also there are gap at the spelling joint of precast concrete circular arc chamfering and screed-coat, the gap is filled using waterproofing unction.The water-proof system solves the problems, such as to do circular arc chamfering with cement mortar using plasterer that arbitrariness is also big, shape control is difficult, Forming Quality is poor.
Description
Technical field
The present invention relates to the water-proof system of roofing, especially a kind of modularization for rolled roofing material waterproof paving is prefabricated mixed
The water-proof system and its construction method of solidifying soil circular arc chamfering.
Background technique
In modern architecture, waterproof coiled material is widely used since its waterproof effect is significant, construction is convenient.With science and technology
Progress, further improves waterproof coiled material material property, improves its durable, high temperature resistant, puncture-resistant, corrosion resistance
Can, so that waterproof coiled material is more extensive in the application field of buildings waterproof.
Due to making rapid progress for waterproof coiled material performance, there is consequence in building roof waterproof, using very
Extensively.Therefore, it is increasingly taken seriously for the construction quality of waterproof coiled material and appearance.But the waterproof coiled material of roofing is in work
When making, working environment caused by temperature often by expanding with heat and contract with cold and external compression stress etc. influences, in paving face
Corner is always the corner of the weak location of coil waterproof layer, especially parapet of roofing Yu roof boarding junction, due to yin
Angle circular arc chamfering node processing is bad, crack and water leakage problem often occurs.In the construction process, how to guarantee parapet of roofing with
The coil waterproof layer of roof boarding junction corner not hollowing, do not crack, do not fall off, be ensure rolled roofing material waterproof quality pass
Key.
Existing way is with using cement mortar, and the corner in parapet Yu roof boarding junction does circular arc chamfering, but general
All over having the following problems:
1, circular arc chamfering is done using cement mortar, since circular arc chamfering is curved surface, circular arc radian and cambered surface completely by plasterer with
Feel control, arbitrariness is also big, controls the bad grasp of scale, controls even with the method for beating ash cake, it is also difficult to will be each
Ash cake circular arc accomplishes unification, and circular arc finished surface quality is difficult to ensure.
2, roofing is subjected to deformation influence of expanding with heat and contract with cold, and does circular arc chamfering using cement mortar, is easy to appear and squeezes because deforming
Fragmentation caused by pressing.In addition, plasterer is during constructing circular arc chamfering, since the operative skill that radian moulding needs is higher,
Often there is situations such as circular arc chamfering mortar thickness is different, shape is different, is easier to fragmentation after temperature influences.Coil waterproof layer
It is pasted on cement mortar circular arc chamfering, because its fragmentation causes adhesive layer to fall off, hollowing, cracking, leakage occurs.
3, since the operative skill for using cement mortar to make radian moulding needs is higher, circular shape is different, radian has some setbacks,
Finished surface impression quality is difficult to ensure, it is difficult to reach architectural appearance demand.
Summary of the invention
Therefore, innovation improves the construction method of waterproof coiled material circular arc chamfering, using modularization precast concrete circular arc chamfering
It is very necessary as the anti-base of waterproof coiled material at parapet of roofing angle.Compared with existing water-proof system, existing water-proof system
It is not combined using this relatively large modularization precast concrete circular arc chamfering, existing water-proof system does not have this apply
Work method.
The object of the present invention is to provide a kind of modularization precast concrete circular arc chamferings for rolled roofing material waterproof paving
Water-proof system and its construction method, solve to be done circular arc chamfering with cement mortar using plasterer arbitrariness is also big, shape control is difficult,
The problem of Forming Quality difference；With solve cement mortar circular arc chamfering because manual operation it is improper caused by thickness is different, shape is different
The problem of, and with when outer weather temperature collective effect caused by deformation fragmentation the problem of；And solve plasterer's water
Circular shape existing for cement mortar moulding radian is different, radian has some setbacks, the problem of impression quality difference.
The technical solution to solve the above problems is: a kind of modularization precast concrete circle for rolled roofing material waterproof paving
The water-proof system of arc chamfering, applied to the corner of parapet of roofing and roof boarding junction, which includes being arranged in room
Coat of plaster on the parapet of face and screed-coat, insulating layer, separation layer, protective layer and the waterproof layer being arranged on construction roof boarding；
The water-proof system further includes paving in the modular precast concrete circle of the corner of parapet of roofing Yu roof boarding junction
Arc chamfering；Cracking resistance reinforcing bar is equipped in the precast concrete circular arc chamfering；The precast concrete circular arc chamfering and parapet
The closing in of waterproof flashing is provided at the spelling joint of coat of plaster；At spelling joint between the adjacent precast concrete circular arc chamfering
There are gap, also there are gap at the spelling joint of the precast concrete circular arc chamfering and screed-coat, the gap uses waterproof
Ointment filling.
Its further technical solution is: the width control in the gap is 1cm in 1-2cm, the depth in gap.
Further technical solution is for it: the monolithic weight of the precast concrete circular arc chamfering is not more than 75kg, length
Degree is less than 550mm.
Its is relevant another solution is that a kind of modularization precast concrete circular arc for rolled roofing material waterproof paving
The construction method of the water-proof system of chamfering, it is a kind of above-mentioned modularization precast concrete circle for rolled roofing material waterproof paving
The construction method of the water-proof system of arc chamfering, construction technology process are as follows: A, steel member processing factory pre-production precast concrete
Circular arc chamfering mold → B, installation precast concrete circular arc chamfering → D, is applied production modularization precast concrete circular arc chamfering → C
Work roofing screed-coat → E presses design drawing and standard construction roof waterproof layer, insulating layer, separation layer and protective layer → F, construction
Parapet coat of plaster；Wherein,
C, precast concrete circular arc chamfering is installed, used specific method:
C1, roofing and daughter corner are cleaned out, the levelling installation precast concrete circular arc chamfering of bracing wire has certain proportion with ginseng
The cement mortar of cement base is adhesively fixed；
C2, waterproofing unction is filled in precast concrete circular arc chamfering edge joint position；
D, construction roofing screed-coat, used specific method: screed-coat connector and precast concrete circular arc chamfering connector are connect
Flat, the concrete and precast concrete circular arc chamfering seam crossing of screed-coat stay seam, and waterproofing unction is filled at seam staying；
F, construction parapet coat of plaster, used specific method: is pressed on precast concrete circular arc for waterproof flashing closing in head
The top of chamfering, by coat of plaster on the inside of standard construction parapet, coat of plaster is smeared to waterproof flashing closing in head press strip.
Its further technical solution is: used precast concrete circular arc chamfering mold includes the bottom of rectangle in construction
Plate, left plate, right side plate, back side panel, front apron and circular arc panel；The left plate, right side plate and back side panel successively surround bottom
Edges of boards edge forms three bandings and closes openings at one side structure；The top of the left plate of opening edge, right side plate, institute is arranged in the front apron
The both ends for stating front apron are connect with left plate, right side plate respectively, and the top of the front apron and the top of back side panel are concordant, described
The bottom of front apron is connect with the upper end of circular arc panel, and the lower end of the circular arc panel is connect with bottom plate；The bottom plate, left side
The space that plate, right side plate, back side panel, front apron and circular arc panel surround forms the mold of prefabricated precast concrete circular arc chamfering
Type chamber；It configured with the stationary barrier installed with left plate in 45 degree angles or parallel with left plate is installed in the mold cavity
Slidably partition；The stationary barrier and slidably partition are contacted with each plate in mold cavity.
The slidably partition includes web and two blocks of wing plates, the shape of the cross section of the shape and mold cavity of the web
Shape is adapted, and two blocks of wing plates are symmetrical arranged and are vertically connected at the two sides on web top；The slidably partition passes through solid
Determine steel clamp to be fixed on inside mold cavity.
The precast concrete circular arc chamfering mold further includes having several ribs, and the ribs is equidistantly positioned
On the bottom plate of opening edge, between left plate, right side plate.
Its further technical solution is: the step A, steel member processing factory pre-production precast concrete circular arc chamfering mould
The method of tool:
A1, using BIM dimensional Modeling Technology, design the blank size of mould specification size and steel plate；
A2, the design drawing formed by BIM modeling size, by steel plate cutting, welding is assembled, is fabricated to precast concrete circular arc chamfering
Mold；
A3, production precast concrete circular arc chamfering cracking resistance reinforcing bar, and bind to be placed in mold and fix, cracking resistance reinforcing bar uses iron
Silk binding is put in a mold at steel reinforcement cage, is separated between steel reinforcement cage and mold with cushion block；Reinforcing bar uses Φ 4, stirrup vertically and horizontally steel
Muscle spacing is preferably within 200mm；
The step B, the production method for making modularization precast concrete circular arc chamfering: pouring in pea gravel concreten to mold,
And vibration compacting；It is demoulded after concrete hardening, water seasoning is no less than 7 days, is fabricated to precast concrete circular arc chamfering.
Its further technical solution is: the construction method further includes gutter construction, and the gutter construction is divided to two kinds
Situation: the first situation is when waterproof layer is under insulating layer, the gutter construction technology process are as follows: in construction roofing screed-coat
When, do exhalent canal height difference → protect by design drawing and standard construction roof waterproof layer, insulating layer, separation layer, pea gravel concreten
Layer carries out ditch side wall and reserved water operculum colpi board slot → construction with pea gravel concreten identical with protective layer close to parapet side
Ditch side wall and reserved water operculum colpi board slot；Second situation is when waterproof layer is on insulating layer, the gutter construction technology stream
Journey are as follows: after roofing screed-coat of constructing, protected by design drawing and standard construction roofing separation layer, insulating layer → pea gravel concreten
Layer simultaneously does exhalent canal height difference → by design drawing and standard construction roof waterproof layer, pea gravel concreten protective layer, use and protective layer
Identical pea gravel concreten carries out ditch side wall and reserved water operculum colpi board slot → construction close to the ditch side wall of parapet side and pre-
Stay ditch slot cover.
The height of ditch height difference at least 35mm.
Due to the adoption of the above technical scheme, a kind of modularization for rolled roofing material waterproof paving of the present invention is prefabricated mixed
The water-proof system and its construction method of solidifying soil circular arc chamfering compared with prior art, have the advantages that
1, the water-proof system of a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving of the present invention, solution
It has determined using plasterer and to have done circular arc chamfering with cement mortar arbitrariness is also big, shape control is difficult, Forming Quality difference problem.Because pre-
It is different that thickness is not present in concrete arc chamfering processed, and problem easy to break is influenced by temperature.And precast concrete
It is provided with cracking resistance reinforcing bar in circular arc chamfering, and uses scientific and reasonable parting filling technology, refers to precast concrete circular arc chamfering
Between gap, the gap between precast concrete circular arc chamfering and roof slope making concrete use waterproofing unction filleting, it is maximum
The reduction problem of Cracking of degree ensure that reliability, the durability of waterproof coiled material base.
2, modular prefabricated circular arc chamfering prefabricated section, convenient in carrying, installation is simple, system easy to control the quality.
3, using precast concrete circular arc chamfering construct roof waterproof, guarantee waterproof coiled material be not easy hollowing, fall off it is same
When, so that finished surface has good architecture artistry, perception effect is good, i.e. precast concrete circular arc chamfering is installed
Afterwards, reach the perception effect of as-cast finish.After the complete waterproof coiled material of paving and coiled material surface protective layer, finished surface can directly be made
For decorative cover, circular arc effect aesthetic is strong, good decorating effect, can expire in the case where being covered without other ornament materials
Sufficient architectural appearance demand saves material, and is conducive to check, repair.
It 4, can be in work by the mold that the design drawing that BIM modeling size is formed makes precast concrete circular arc chamfering use
Factory's customization, in processing factory by steel plate cutting, welding is assembled, industrialization degree height, precision machining, high-efficient.And mold is equipped with can
It adjusts device (can traverse 9), length has adjustability, and applied widely, turnover utilization rate is high；Mold Making is at low cost
It is honest and clean.
5, water-proof system construction is simple of the present invention, it is easy to spread.
6, it is drop-over to roofing direction that conventional gutter way, which is ditch bottom coiled material, then in two brick laid on edge of ditch
Side wall is done, the water in such ditch can return infiltration, backflow to roofing and go.And construction method of the invention is done in gutter
Height difference (at the K in Fig. 1), for conventional ditch way without this structure height difference, doing height difference can prevent water from returning infiltration, returning
Stream.
It is prefabricated to a kind of modularization for rolled roofing material waterproof paving of the present invention mixed with reference to the accompanying drawings and examples
The water-proof system of solidifying soil circular arc chamfering and its technical characteristic of construction method are described further.
Detailed description of the invention
Fig. 1: precast concrete circular arc chamfering is installed on roof waterproof corner diagrammatic cross-section one in embodiment；
Fig. 2: precast concrete circular arc chamfering is installed on roof waterproof corner diagrammatic cross-section two in embodiment；
Fig. 3: precast concrete circular arc chamfering Mold Making 3D schematic diagram one；
Fig. 4: precast concrete circular arc chamfering Mold Making 3D schematic diagram two；
Fig. 5: precast concrete circular arc chamfering Mold Making 3D schematic diagram three；
Fig. 6: being in Fig. 5 I-I sectional view；
Fig. 7: being in Fig. 5 II-II sectional view；
Fig. 8: precast concrete circular arc chamfering mold is equipped with the 3D schematic diagram of stationary barrier；
Fig. 9: precast concrete circular arc chamfering mold installs the 3D schematic diagram of slidably partition；
Figure 10: the length adjustment tool of precast concrete circular arc chamfering mold can traverse structural schematic diagram；
Figure 11: being that concrete enters mould 3D schematic diagram；
Figure 12: being in Figure 11 III-III sectional view；
Figure 13: precast concrete circular arc chamfering shaping schematic view after demoulding；
Figure 14: with the precast concrete circular arc chamfering shaping schematic view of 45 ° of corners after demoulding；
Figure 15: precast concrete circular arc chamfering installation splicing 3D schematic diagram.
In figure:
1- bottom plate, 2- back side panel, 3- left plate, 4- right side plate, 5- front apron, 6- circular arc panel, 7- ribs, 8- it is fixed every
Plate, slidably partition, 91- web, 92- wing plate, the fixed steel clamp of 10-, 11- cracking resistance reinforcing bar, 12- precast concrete circular arc fall 9-
Angle, 13- waterproofing unction, 14- parapet, 15- drainage ditch cover plate.
Letter in figure indicates:
A- roof construction layer, b- pea gravel concreten screed-coat, c- waterproof layer, d- polyethylene film separation layer, e- insulating layer, f- band
The pea gravel concreten protective layer of cracking resistance steel mesh, the coat of plaster of g- parapet, h- waterproof flashing close up, and i- is with cracking resistance steel mesh
Pea gravel concreten ditch side wall, the gutter j- top of the slope, k- do height difference, m- roof drainage slope aspect herein.
Specific embodiment
Embodiment 1:
A kind of water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving is applied to roofing female
The corner of youngster's wall and roof boarding junction, the water-proof system include that the coat of plaster g being arranged on parapet of roofing and setting are being applied
Screed-coat, insulating layer, separation layer, protective layer and waterproof layer on work roof boarding；The waterproof layer (i.e. paving waterproof roll layer)
It can be set under insulating layer or on insulating layer；When waterproof roll is arranged under insulating layer, referring to Fig. 1 structural schematic diagram,
Construction roof construction layer a on be followed successively by from the bottom to top pea gravel concreten screed-coat b, waterproof layer c, polyethylene film separation layer d,
Insulating layer e, polyethylene film separation layer d and pea gravel concreten protective layer f with cracking resistance steel mesh.When waterproof roll setting is being protected
When on warm layer, reference can be made to Fig. 2 structural schematic diagram, it is levelling on construction roof construction layer a to be followed successively by pea gravel concreten from the bottom to top
Layer b, polyethylene film separation layer d, insulating layer e, polyethylene film separation layer d, the pea gravel concreten protection with cracking resistance steel mesh
Layer f, waterproof layer c, the pea gravel concreten protective layer f with cracking resistance steel mesh.
The water-proof system further includes paving in the modular pre- of parapet of roofing 14 and the corner of roof boarding junction
Concrete arc chamfering 12 processed；Cracking resistance reinforcing bar 11 is equipped in the precast concrete circular arc chamfering；The precast concrete circular arc
Waterproof flashing closing in h is provided at the spelling joint of the coat of plaster of chamfering and parapet；The adjacent precast concrete circular arc falls
There are gap at spelling joint between angle, also there are gap at the spelling joint of the precast concrete circular arc chamfering and screed-coat,
It is filled using waterproofing unction 13 in the gap.Ointment is filled out in edge joint position, is the crack in order to make up Material shrinkage generation, anti-leak-stopping
Water.
The width control in reserved gap is 1cm, the length in gap and the length of stitching portion in 1-2cm, the depth in gap
It is consistent.
The monolithic weight of the precast concrete circular arc chamfering is not more than 75kg, and length is less than 550mm.
The water-proof system falls off using precast concrete circular arc chamfering is not easy to crack, good appearance, each layer in waterproof layer
Between with the combination of precast concrete circular arc chamfering can allow roof waterproof, heat preservation, in conjunction with protective layer more preferably, drainage grade is more
It is easy to look for.The place in gutter is set in as shown in Figure 1, Figure 2, to do height difference at k, highly be not less than 35mm, rainwater can be effectively prevent
Reflux.
Embodiment 2:
A kind of construction method of the water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving, it
It is a kind of applying for water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving described in embodiment 1
Work method, construction technology process are as follows: A, steel member processing factory pre-production precast concrete circular arc chamfering mold → B, production
Modularization precast concrete circular arc chamfering → C, installation precast concrete circular arc chamfering → D, construction roofing screed-coat → E, by setting
Count drawing and standard construction roof waterproof layer, insulating layer, separation layer, protective layer → F, construction parapet coat of plaster；Wherein,
The method of the step A, steel member processing factory pre-production precast concrete circular arc chamfering mold:
A1, using BIM dimensional Modeling Technology, design the blank size of mould specification size and steel plate；The circular arc chamfering of production
Die length is considered as facilitating manual handling, and monolithic precast concrete circular arc chamfering weight is not more than 75kg, and length is preferably 550mm
Within.A variety of circular arc chamfering molds such as design flat segments, corner as needed.Meanwhile the circular arc chamfering of design is considered as roofing
After construction, the flashing height of roof waterproof is higher than can tyre tread 250mm.
The present embodiment uses the precast concrete circular arc chamfering mold of BIM three-dimensional modeling, as shown in Fig. 3-Fig. 7, including square
Bottom plate 1, left plate 3, right side plate 4, back side panel 2, front apron 5, circular arc panel 6 and several ribs 7 of shape；The left plate
3, right side plate 4 and back side panel 2 successively form three bandings around 1 edge of bottom plate and close openings at one side structure；The setting of front apron 5 exists
The top of the left plate 3 of opening edge, right side plate 4, the both ends of the front apron 5 are connect with left plate 3, right side plate 4 respectively, described
The top of front apron 5 is concordant with the top of back side panel 2, and the bottom of the front apron 5 is connect with the upper end of circular arc panel 6, described
The lower end of circular arc panel 6 is connect with bottom plate 2；The bottom plate 1, left plate 3, right side plate 4, back side panel 2, front apron 5 and arc surface
The space that plate 6 surrounds forms the mold cavity of prefabricated precast concrete circular arc chamfering；The ribs 7, which is equidistantly positioned, to be opened
On the bottom plate on mouth side, between left plate, right side plate.
In the mold cavity configured with left plate in 45 degree angles install stationary barrier 8(referring to Fig. 8) or with a left side
The slidably partition 9(that side plate is installed in parallel is referring to Fig. 9, Figure 10)；The stationary barrier 8 and slidably partition 9 and mold cavity
In each plate contact.The slidably partition 9 includes web 91 and two blocks of wing plates 92, the shape and mould type of the web 91
The shape of the cross section of chamber is adapted, and two blocks of wing plates 92 are symmetrical arranged and are vertically connected at the two sides on web top；It is described
Slidably partition 9 passes through fixed steel clamp 10 and is fixed on inside mold cavity.The fixed steel clamp 10 are U-shaped, in U-shaped side
Bolt hole is offered on side.Under assembled state, the slidably partition 9 is placed on inside mold cavity, two blocks of wing plates point
Not Jin Tie back side panel 2, front apron 5 inside, the U-shaped groove of two fixed steel clamp 10 is inserted in wing plate and mold is suitable for reading
On edge, two wing plates of slidably partition 9 and mold edge suitable for reading are held out against into fixation by screwing bolts.
A2, over-the-counter pre-production precast concrete circular arc chamfering mold cut steel plate according to the pre-designed size of BIM
Material is cut off, production bottom plate 1, left plate 3, right side plate 4, back side panel 2, front apron 5, circular arc panel 6 and several ribs 7 are pressed
The design drawing that BIM modeling size is formed makes slidably partition 9, fixed steel clamp 10.Then assembly is welded and fixed, is fabricated to pre-
Concrete arc chamfer mould processed.Fixed slidably partition 9 in such a way that steel clamp and bolt mutually push up active force.Slidably every
The effect of plate 9 is to fix any position in mold, full as the device of adjustment precast concrete circular arc chamfering length
The prefabricated section of foot production any size.
A3, production precast concrete circular arc chamfering cracking resistance reinforcing bar 11, and bind to be placed in mold and fix, cracking resistance reinforcing bar
11 are put in a mold using iron wire binding at steel reinforcement cage, are separated between steel reinforcement cage and mold with cushion block；Reinforcing bar uses Φ 4, stirrup
Vertically and horizontally bar spacing is preferably within 200mm.
The step B, the production method for making modularization precast concrete circular arc chamfering: pea gravel concreten is poured to mold
It is interior, and vibration compacting；It is demoulded after concrete hardening, water seasoning is no less than 7 days, is fabricated to precast concrete circular arc chamfering.At
It is spare at shady and cool warehouse that product can place construction site.
The step C, installation precast concrete circular arc chamfering, used specific method:
C1, roofing and daughter corner are cleaned out, the levelling installation precast concrete circular arc chamfering of bracing wire has certain proportion with ginseng
The cement mortar of cement base (cement based penetration crystallization type water proofing paint) is adhesively fixed；
C2, waterproofing unction 13 is filled in precast concrete circular arc chamfering edge joint position.
The step D, construction roofing screed-coat (sloping layer), used specific method: by screed-coat connector with it is prefabricated
Concrete arc filleted junctions connect flat, and the concrete of screed-coat and precast concrete circular arc chamfering seam crossing stay seam, are staying at seam
Fill waterproofing unction；
When above-mentioned steps C2 and step D constructs, when splicing precast concrete circular arc chamfering, splicing gap is controlled in 1-2cm,
The mortar of edge joint position is scraped to the groove of 1cm depth, pointing waterproofing unction after mortar solidification with tool.Precast concrete circular arc chamfering
When joining with roofing leveling concrete, the concrete surface of junction is also scraped to the groove of 1cm depth with tool, it is embedding after mortar solidification
Fill out waterproofing unction.Ointment is filled out in edge joint position, is the crack in order to make up Material shrinkage generation, prevents leak.
The step E, design drawing and standard construction rolled roofing material waterproof layer, insulating layer, separation layer, protective layer are pressed；Institute
Stating waterproof layer can be set under insulating layer or on insulating layer；Architectural surface etc. can also be set as needed.
The step F, construction parapet coat of plaster, used specific method: waterproof flashing closing in head are pressed on pre-
The top of concrete arc chamfering processed, by coat of plaster on the inside of standard construction parapet, coat of plaster is smeared to waterproof flashing closing in head pressure
It is neat and artistic to reach above item.
The construction method further includes gutter construction, and the gutter is constructed in two kinds of situation: the first situation is when anti-
When water layer is under insulating layer, the gutter construction technology process are as follows: when constructing roofing screed-coat, do exhalent canal height difference → by
Design drawing and standard construction roof waterproof layer, insulating layer, separation layer, pea gravel concreten protective layer, with identical with protective layer
Pea gravel concreten carries out ditch side wall and ditch side wall and reserved ditch of the reserved water operculum colpi board slot → construction close to parapet side
Slot cover；Second situation is when waterproof layer is on insulating layer, the gutter construction technology process are as follows: levelling in construction roofing
Layer after, by design drawing and standard construction roofing separation layer, insulating layer → pea gravel concreten protective layer and do exhalent canal height difference →
It is made by design drawing and standard construction roof waterproof layer, pea gravel concreten protective layer, of pea gravel concreten identical with protective layer
The ditch side wall and reserved water operculum colpi board slot of good ditch side wall and reserved water operculum colpi board slot → construction close to parapet side.
The height of ditch height difference at least 35mm.Such as height difference is done at the K in Fig. 1, Fig. 2, and highly it is not less than 35mm, it can
It effectively prevent rainwater to flow back.
Claims (10)
1. a kind of water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving is applied to roofing
The corner of parapet and roof boarding junction, the water-proof system include that the coat of plaster being arranged on parapet of roofing and setting are being applied
Screed-coat, insulating layer, separation layer, protective layer and waterproof layer on work roof boarding；It is characterized by: the water-proof system further includes
Paving is in the modular precast concrete circular arc chamfering of the corner of parapet of roofing Yu roof boarding junction；The concrete
Cracking resistance reinforcing bar is equipped in native circular arc chamfering；It is arranged at the spelling joint of the coat of plaster of the precast concrete circular arc chamfering and parapet
There is the closing in of waterproof flashing；There are gaps at spelling joint between the adjacent precast concrete circular arc chamfering, described prefabricated mixed
Also there are gap at the spelling joint of solidifying soil circular arc chamfering and screed-coat, the gap is filled using waterproofing unction.
2. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 1
Water-proof system, it is characterised in that: the width control in the gap is 1cm in 1-2cm, the depth in gap.
3. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 1
The construction method of water-proof system, it is characterised in that: the monolithic weight of the precast concrete circular arc chamfering is not more than 75kg, length
Degree is less than 550mm.
4. a kind of construction method of the water-proof system of the modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving,
It is characterized by: it is that a kind of modularization precast concrete circular arc for rolled roofing material waterproof paving described in claim 1 falls
The construction method of the water-proof system at angle, construction technology process are as follows: A, steel member processing factory pre-production precast concrete circular arc
Chamfer mould → B, production modularization precast concrete circular arc chamfering → C, installation precast concrete circular arc chamfering → D, construction room
Face screed-coat → E presses design drawing and standard construction roof waterproof layer, insulating layer, separation layer and protective layer → F, construction daughter
Wall coat of plaster；Wherein,
C, precast concrete circular arc chamfering is installed, used specific method:
C1, roofing and daughter corner are cleaned out, the levelling installation precast concrete circular arc chamfering of bracing wire has certain proportion with ginseng
The cement mortar of cement base is adhesively fixed；
C2, waterproofing unction is filled in precast concrete circular arc chamfering edge joint position；
D, construction roofing screed-coat, used specific method: screed-coat connector and precast concrete circular arc chamfering connector are connect
Flat, the concrete and precast concrete circular arc chamfering seam crossing of screed-coat stay seam, and waterproofing unction is filled at seam staying；
F, construction parapet coat of plaster, used specific method: is pressed on precast concrete circular arc for waterproof flashing closing in head
The top of chamfering, by coat of plaster on the inside of standard construction parapet, coat of plaster is smeared to waterproof flashing closing in head press strip.
5. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 4
The construction method of water-proof system, it is characterised in that: used precast concrete circular arc chamfering mold includes rectangle in construction
Bottom plate, left plate, right side plate, back side panel, front apron and circular arc panel；The left plate, right side plate and back side panel successively surround
Bottom edge forms three bandings and closes openings at one side structure；The top of the left plate of opening edge, right side plate is arranged in the front apron,
The both ends of the front apron are connect with left plate, right side plate respectively, and the top of the front apron and the top of back side panel are concordant, institute
The bottom for stating front apron is connect with the upper end of circular arc panel, and the lower end of the circular arc panel is connect with bottom plate；The bottom plate, left side
The space that plate, right side plate, back side panel, front apron and circular arc panel surround forms the mold of prefabricated precast concrete circular arc chamfering
Type chamber；It configured with the stationary barrier installed with left plate in 45 degree angles or parallel with left plate is installed in the mold cavity
Slidably partition；The stationary barrier and slidably partition are contacted with each plate in mold cavity.
6. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 5
The construction method of water-proof system, it is characterised in that: the slidably partition includes web and two blocks of wing plates, the shape of the web
It is adapted with the shape of the cross section of mold cavity, two blocks of wing plates are symmetrical arranged and are vertically connected at the two of web top
Side；The slidably partition is fixed on inside mold cavity by fixed steel clamp.
7. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 6
The construction method of water-proof system, it is characterised in that: the precast concrete circular arc chamfering mold further includes having several ribs,
The ribs is equidistantly positioned on the bottom plate of opening edge, between left plate, right side plate.
8. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 4
The construction method of water-proof system, it is characterised in that: the step A, steel member processing factory pre-production precast concrete circular arc fall
The method of angle mold:
A1, using BIM dimensional Modeling Technology, design the blank size of mould specification size and steel plate；
A2, the design drawing formed by BIM modeling size, by steel plate cutting, welding is assembled, is fabricated to precast concrete circular arc chamfering
Mold；
A3, production precast concrete circular arc chamfering cracking resistance reinforcing bar, and bind to be placed in mold and fix, cracking resistance reinforcing bar uses iron
Silk binding is put in a mold at steel reinforcement cage, is separated between steel reinforcement cage and mold with cushion block；Reinforcing bar uses Φ 4, stirrup vertically and horizontally steel
Muscle spacing is preferably within 200mm；
The step B, the production method for making modularization precast concrete circular arc chamfering: pouring in pea gravel concreten to mold,
And vibration compacting；It is demoulded after concrete hardening, water seasoning is no less than 7 days, is fabricated to precast concrete circular arc chamfering.
9. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 4
The construction method of water-proof system, it is characterised in that: the construction method further includes gutter construction, and the gutter construction is divided to two
Kind situation: the first situation is when waterproof layer is under insulating layer, the gutter construction technology process are as follows: levelling in construction roofing
When layer, exhalent canal height difference → protect by design drawing and standard construction roof waterproof layer, insulating layer, separation layer, pea gravel concreten is done
Sheath carries out ditch side wall and reserved water operculum colpi board slot → construction with pea gravel concreten identical with protective layer close to parapet side
Ditch side wall and reserved water operculum colpi board slot；Second situation is when waterproof layer is on insulating layer, the gutter construction technology
Process are as follows: after roofing screed-coat of constructing, protected by design drawing and standard construction roofing separation layer, insulating layer → pea gravel concreten
Sheath and do exhalent canal height difference → by design drawing and standard construction roof waterproof layer, pea gravel concreten protective layer, with protection
The identical pea gravel concreten of layer carry out ditch side wall and reserved water operculum colpi board slot → construction close to parapet side ditch side wall simultaneously
Reserved water operculum colpi board slot.
10. a kind of modularization precast concrete circular arc chamfering for rolled roofing material waterproof paving according to claim 9
Water-proof system construction method, it is characterised in that: the height of ditch height difference at least 35mm.
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| CN111691614A (en) * | 2020-07-01 | 2020-09-22 | 重庆华力建设有限公司 | Construction method of roof parapet flashing protective layer |
| CN111877652A (en) * | 2020-08-05 | 2020-11-03 | 中国建筑股份有限公司 | View footpath system of hybrid-laid archaized roof and construction method thereof |
| CN112282228A (en) * | 2020-10-19 | 2021-01-29 | 蒋贵伟 | Curved surface paver |
| CN115199050A (en) * | 2022-06-27 | 2022-10-18 | 中国五冶集团有限公司 | Building method of arc angle |
| CN115262867A (en) * | 2022-08-31 | 2022-11-01 | 中建五局第三建设有限公司 | Heat-preservation integrated assembled roof structure and construction method thereof |
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