CN114000666A - Construction process for fixing joint of waterproof coiled material of roof structure - Google Patents
Construction process for fixing joint of waterproof coiled material of roof structure Download PDFInfo
- Publication number
- CN114000666A CN114000666A CN202111446171.3A CN202111446171A CN114000666A CN 114000666 A CN114000666 A CN 114000666A CN 202111446171 A CN202111446171 A CN 202111446171A CN 114000666 A CN114000666 A CN 114000666A
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- roof
- shaped groove
- template
- roof structure
- channel steel
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- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 8
- 238000004078 waterproofing Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/06—Apparatus or tools for roof working for handling roofing or sealing material in roll form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/141—Fastening means therefor characterised by the location of the fastening means
- E04D5/142—Fastening means therefor characterised by the location of the fastening means along the edge of the flexible material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/144—Mechanical fastening means
- E04D5/146—Linear fastening means, e.g. strips
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/148—Fastening means therefor fastening by gluing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a construction process for fixing joints of a roof structure waterproof coiled material, which comprises the following steps: s1, releasing the position of the roof structure on the roof by using a total station according to a design drawing; s2, binding reinforcing steel bars of the roof structure according to design requirements; s3, fixing embedded channel steel at the lower end of the steel bar of the roof structure, wherein the embedded channel steel is horizontally arranged, and one side of the opening faces to the roof and corresponds to the length of the roof structure; s4, installing templates around the reinforcing steel bars of the roof structure, and pouring concrete into the templates; s5, removing the template and the embedded channel steel to form a structure with a U-shaped groove at the lower end; s6, laying a waterproof coiled material, wherein the waterproof coiled material extends along the height direction of the roof to the structure and is fully laid in the U-shaped groove; and S7, inserting the building blocks along the length direction of the U-shaped groove, extending the outer ends of the building blocks out of the U-shaped groove, and fixing the building blocks on the U-shaped groove through mortar to form a cornice protruding out of the side face of the structure.
Description
Technical Field
The invention relates to the field of house construction, in particular to a construction process for fixing nodes of a waterproof coiled material of a roof structure.
Background
The problems of water seepage and water leakage of roof building construction always troubles building users and house builders. According to the field experience, water is easy to seep, and most of the water leaking positions are located at the junction of a floor slab of a roof and a vertical wall body such as an equipment foundation, a chimney, a staircase, a vertical pipe, a pipe well and the like on the roof. On the spot, the common practice is to cast concrete and then open a groove, raise the waterproofing membrane to 20cm of the structure, and lay an R-corner with mortar at the internal corner where the membrane meets the roof. The construction method has the advantages of complex process, slow grooving and uneven surface after secondary grooving. Often cause the phenomenon that coiled material adhesion strength is not enough, later stage coiled material drops to cause the R angle department that the mortar laid fracture.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a roofing structure waterproofing membrane fixed node construction technology that construction technology is simple, and the coiled material is fixed firm.
In order to solve the technical problems, the invention adopts the following technical scheme:
a roof structure waterproof coiled material fixed joint construction process is characterized by comprising the following steps: s1, releasing the position of the roof structure on the roof by using a total station according to a design drawing; s2, binding reinforcing steel bars of the roof structure according to design requirements; s3, fixing embedded channel steel at the lower end of the steel bar of the roof structure, wherein the embedded channel steel is horizontally arranged, and one side of the opening faces to the roof and corresponds to the length of the roof structure; s4, installing templates around the reinforcing steel bars of the roof structure, and pouring concrete into the templates; s5, removing the template and the embedded channel steel to form a structure with a U-shaped groove at the lower end; s6, laying a waterproof coiled material, wherein the waterproof coiled material extends along the height direction of the roof to the structure and is fully laid in the U-shaped groove; and S7, inserting the building blocks along the length direction of the U-shaped groove, extending the outer ends of the building blocks out of the U-shaped groove, and fixing the building blocks on the U-shaped groove through mortar to form a cornice protruding out of the side face of the structure. Thus, after the embedded channel steel is fixed on the structure steel bar, a flat rectangular groove is formed at the lower end of the structure after the form is removed, and the outer edge of the waterproof coiled material is embedded into the formed U-shaped groove, so that the waterproof coiled material and the structure have better associativity, the risk of the coiled material falling off is reduced, and the mortar with the same label is adopted when the mortar is sealed, the structure strength cannot be influenced by a new process, the coiled material is not easy to be damaged by external force, the falling-off phenomenon cannot occur, and the waterproof coiled material can be protected for a long time; meanwhile, the novel process is adopted to reserve the grooves more orderly, so that the steps of manually removing the grooves are saved, the construction period is shortened, and the construction quality is improved. The method has the advantages of few construction steps, simple and feasible construction process, economic material cost, convenient operation, high construction efficiency and strong practicability, and can remarkably improve the cracking, bulging and aging phenomena of the waterproof coiled material. The cornice is built by laying bricks or stones and is formed, and it is comparatively simple to set up, simultaneously, after cornice sets up, can press waterproofing membrane in the U-shaped inslot well, increases waterproofing membrane outer edge department thickness.
Furthermore, in the step S7, a prefabricated dripping eave can be clamped in the U-shaped groove; the prefabricated dripping eave is fixedly bonded on a structure through mortar, and the adopted mortar and concrete poured by the structure have the same label. Therefore, the prefabricated dripping eave and mortar are adopted to fill the U-shaped groove, the U-shaped groove is convenient and quick to seal and block, and the connection performance is good.
Further, before the building blocks are inserted or the prefabricated dripping eave is clamped, a layer of steel wire mesh is fully paved in the U-shaped groove. Like this, can effectively prevent mortar fracture, promote waterproofing membrane's sealing quality.
Furthermore, the embedded channel steel comprises horizontal plates arranged up and down and a vertical plate arranged between the two horizontal plates, and a plurality of opposite-pulling through holes are arranged at intervals in the length direction of the vertical plate; the embedded channel steel sequentially penetrates through the vertical plate, the structure steel bars and the template on the opposite side of the embedded channel steel through a plurality of opposite tension rods and then is matched with the nuts to be fixed on the template. Therefore, the embedded steel bars are fixed on the structure steel bars through the opposite tension rod, and the fixing mode is simple and convenient. Meanwhile, the template at the same side with the embedded channel steel is tightly attached to one side of the opening of the embedded channel steel, so that favorable conditions are provided for forming the U-shaped groove.
Furthermore, waterproof coiled material outer edge card goes into behind the U-shaped groove, wears to establish the split bar tip at the U-shaped inslot to fix at the U-shaped inslot through the viscose. Like this, the diagonal draw bar that sets up can be used for hanging establishes waterproofing membrane to avoid waterproofing membrane to come unstuck the back, from the phenomenon that the U-shaped inslot drops.
Further, the vertical distance between the embedded channel steel and the roof is more than 30 centimeters. Thus, the roof waterproof effect can be effectively ensured.
Further, when the template is erected, the bottom of the template is tightly attached to the roof structure, and a foam strip is sealed at the junction of the template and the roof. Therefore, the template is tightly attached to the roof, and the slurry leakage phenomenon cannot occur.
Furthermore, before the structure template is installed, a row of positioning steel bars need to be implanted along the template installation position and along the length direction of the template; the supported template comprises side molds on two sides and an end mold fixed between the two side molds, a plurality of reinforcing wood beams are arranged on the outer sides of the side molds at intervals, the side molds on the two sides are fixed through a plurality of rows of oppositely-pulling screw rods arranged at intervals, when the oppositely-pulling screw rods are fixed, the lowermost row of oppositely-pulling screw rods are screwed down first, then the oppositely-pulling screw rods on the top are screwed down, and finally the oppositely-pulling screw rods in the middle are screwed down. Like this, the template is fixed convenient, and can be effectively convenient for once only rectify the template to the fastening order of drawing the screw rod, ensures that the wall is level and smooth, unbent.
Drawings
Fig. 1 is a schematic side structure view of an embedded channel steel in the embodiment;
fig. 2 is a schematic front structure diagram of the embedded channel steel in the embodiment;
FIG. 3 is a schematic view of an installation structure of the embedded channel steel in the embodiment;
FIG. 4 is a schematic structural diagram of a vertical surface of a structure after finishing cornice in the embodiment;
FIG. 5 is a schematic view of an installation structure of the prefabricated drip edge as a cornice in the embodiment.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
the construction process for the fixed joints of the waterproof coiled materials of the roof structures, provided by the embodiment, comprises the following steps: s1, releasing the position of the roof structure on the roof by using a total station according to a design drawing; s2, binding reinforcing steel bars of the roof structure according to design requirements; s3, fixing an embedded channel steel 1 at the lower end of the steel bar of the roof structure, wherein the embedded channel steel 1 is horizontally arranged, and one side of an opening faces to a roof and corresponds to the length of the roof structure; s4, installing templates around the reinforcing steel bars of the roof structure, and pouring concrete into the templates; s5, removing the template and the embedded channel steel 1 to form a structure with a U-shaped groove at the lower end; s6, laying a waterproof coiled material, wherein the waterproof coiled material extends along the height direction of the roof to the structure and is fully laid in the U-shaped groove; and S7, inserting the building blocks along the length direction of the U-shaped groove, extending the outer ends of the building blocks out of the U-shaped groove, and fixing the building blocks on the U-shaped groove through mortar to form a cornice 2 protruding out of the side face of the structure. As shown in fig. 4, the thickness of the block in this embodiment is smaller than the vertical height of the U-shaped groove, and therefore, when laying the cornice 2, a layer of mortar needs to be applied to the bottom of the U-shaped groove, and then the block is clamped in the through groove at the upper part of the mortar to be laid, so as to form the cornice 2. Of course, in specific implementation, the building blocks which are adaptive to the vertical height of the U-shaped groove can be selected to build the cornice.
In S7, the following method may be used to seal the U-shaped groove: as shown in fig. 5, a prefabricated drip edge is clamped in the U-shaped groove; the prefabricated dripping eave is fixedly bonded on a structure through mortar, and the adopted mortar and concrete poured by the structure have the same label. Before the building blocks are inserted or the prefabricated dripping eave is clamped, a layer of steel wire mesh is fully paved in the U-shaped groove. Specifically, the prefabricated water dripping eave is made of plastics or aluminum alloy and comprises a connecting plate and an extension plate, and the extension plate is arranged in an opposite inclined mode to form a water guide plate. A plurality of through holes for mortar bonding are arranged on the connecting plate at intervals in the length direction of the dripping eave.
The embedded channel steel 1 is fixed by the following method: the embedded channel steel 1 comprises horizontal plates 11 arranged up and down and a vertical plate 12 arranged between the two horizontal plates 11, and a plurality of opposite-pulling through holes 13 are arranged at intervals in the length direction of the vertical plate; the embedded channel steel 1 sequentially penetrates through the vertical plate, the structure steel bars and the template on the opposite side of the embedded channel steel through a plurality of opposite tension rods and then is matched with the nuts to be fixed on the template.
In order to avoid the slurry leakage phenomenon during pouring, a fixing plate 14 arranged towards the upper side and the lower side of the opening is arranged on one side of the opening of the embedded channel steel and at the end parts of the two horizontal plates 11, and the fixing plate 14 is fixedly connected with the end parts of the horizontal plates or is directly formed by vertically bending the horizontal plates.
Waterproof coiled material outer edge card goes into behind the U-shaped groove, wears to establish the split bar tip at the U-shaped inslot to fix at the U-shaped inslot through the viscose.
The vertical distance between the embedded channel steel and the roof is more than 30 cm.
When the template is erected, the bottom of the template is tightly attached to a roof structure, a foam strip is sealed at the junction of the template and the roof, and during specific implementation, foam rubber is also pasted at the intersection of the side mold and the embedded channel steel 1 for sealing, so that slurry leakage is avoided. Before a structure template is installed, a row of positioning steel bars need to be implanted along the template installation position and the length direction of the template; the supported template comprises side molds on two sides and an end mold fixed between the two side molds, a plurality of reinforcing wood beams are arranged on the outer sides of the side molds at intervals, the side molds on the two sides are fixed through a plurality of rows of oppositely-pulling screw rods arranged at intervals, when the oppositely-pulling screw rods are fixed, the lowermost row of oppositely-pulling screw rods are screwed down first, then the oppositely-pulling screw rods on the top are screwed down, and finally the oppositely-pulling screw rods in the middle are screwed down.
In the S4, concrete pouring can adopt methods of natural flowing, oblique layering and the like, and the layered thickness is not more than 300 mm. Before concrete pouring, cement mortar in the same proportion as concrete is adopted to carry out horizontal construction joint slurry treatment, the slurry joint mainly prevents root rot of the wall body, and the thickness is controlled to be 50-100 mm.
After the concrete is poured, the concrete needs to be vibrated: the pitch of the insertion points of the vibrating bar is 1.5 times of the action radius of the vibrating bar, and is generally 400 mm. The arrangement of the insertion points should be uniform. When the concrete is vibrated, the concrete is quickly inserted and slowly pulled out until air bubbles in the concrete are exhausted. When the slope is poured and vibrated, the concrete is poured upwards from the bottom of the slope, but not poured downwards from the upper part of the slope.
Vibrating at the boundary of the two vibrating hands by 50cm beyond the boundary. After the lower layer concrete is vibrated, the vibrating rod should go deep into the precast concrete for 5cm to vibrate when the upper layer concrete is vibrated. The vibrating rod cannot vibrate at the same position for too long time to cause over-vibration, and stones are prevented from sinking, cement paste floats upwards, and a template expands, so that the strength and the appearance quality of concrete are influenced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (8)
1. A roof structure waterproof coiled material fixed joint construction process is characterized by comprising the following steps: s1, releasing the position of the roof structure on the roof by using a total station according to a design drawing; s2, binding reinforcing steel bars of the roof structure according to design requirements; s3, fixing embedded channel steel at the lower end of the steel bar of the roof structure, wherein the embedded channel steel is horizontally arranged, and one side of the opening faces to the roof and corresponds to the length of the roof structure; s4, installing templates around the reinforcing steel bars of the roof structure, and pouring concrete into the templates; s5, removing the template and the embedded channel steel to form a structure with a U-shaped groove at the lower end; s6, laying a waterproof coiled material, wherein the waterproof coiled material extends along the height direction of the roof to the structure and is fully laid in the U-shaped groove; and S7, inserting the building blocks along the length direction of the U-shaped groove, extending the outer ends of the building blocks out of the U-shaped groove, and fixing the building blocks on the U-shaped groove through mortar to form a cornice protruding out of the side face of the structure.
2. The process of claim 1, wherein in S7, a prefabricated drip edge is clamped into the U-shaped groove; the prefabricated dripping eave is fixedly bonded on a structure through mortar, and the adopted mortar and concrete poured by the structure have the same label.
3. The process of claim 2, wherein a layer of steel wire mesh is laid in the U-shaped groove before the building blocks are inserted or before the prefabricated drip edge is inserted.
4. The roofing structure waterproof roll fixed joint construction process according to claim 1, 2 or 3, characterized in that the embedded channel steel comprises a horizontal plate arranged up and down and a vertical plate arranged between the two horizontal plates, and a plurality of counter-pulling through holes are arranged at intervals in the length direction of the vertical plate; the embedded channel steel sequentially penetrates through the vertical plate, the structure steel bars and the template on the opposite side of the embedded channel steel through a plurality of opposite tension rods and then is matched with the nuts to be fixed on the template.
5. The process of claim 4, wherein the outer edge of the waterproof roll is inserted into the U-shaped groove, and then inserted into the end of the tension bar in the U-shaped groove, and fixed in the U-shaped groove by glue.
6. The construction process of the roofing structure waterproof roll fixing joint according to the claim 1, 2, 3 or 5, characterized in that the vertical distance between the embedded channel steel and the roof is more than 30 cm.
7. The process of claim 6, wherein the bottom of the form is closely attached to the roof structure and the foam strip is sealed at the interface between the form and the roof when the form is erected.
8. The construction process of the roof structure waterproof coiled material fixed joint according to the claim 1, 2, 3, 5 or 7, characterized in that before the structure template is installed, a row of positioning steel bars are implanted along the length direction of the template along the installation position of the template; the supported template comprises side molds on two sides and an end mold fixed between the two side molds, a plurality of reinforcing wood beams are arranged on the outer sides of the side molds at intervals, the side molds on the two sides are fixed through a plurality of rows of oppositely-pulling screw rods arranged at intervals, when the oppositely-pulling screw rods are fixed, the lowermost row of oppositely-pulling screw rods are screwed down first, then the oppositely-pulling screw rods on the top are screwed down, and finally the oppositely-pulling screw rods in the middle are screwed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446171.3A CN114000666B (en) | 2021-11-30 | 2021-11-30 | Construction technology for fixing joints of waterproof coiled materials of roof structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446171.3A CN114000666B (en) | 2021-11-30 | 2021-11-30 | Construction technology for fixing joints of waterproof coiled materials of roof structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114000666A true CN114000666A (en) | 2022-02-01 |
| CN114000666B CN114000666B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111446171.3A Active CN114000666B (en) | 2021-11-30 | 2021-11-30 | Construction technology for fixing joints of waterproof coiled materials of roof structures |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677440A (en) * | 2016-12-30 | 2017-05-17 | 河北恒山建设集团有限公司 | Roofing parapet water-floating structure and construction method thereof |
| CN208293929U (en) * | 2018-04-18 | 2018-12-28 | 湖南省第四工程有限公司 | A kind of roofing flashing structure |
| CN110593493A (en) * | 2019-09-02 | 2019-12-20 | 中冶天工集团天津有限公司 | Waterproof coiled material closing-in preformed groove template for constructing parapet wall, manufacturing method and construction method |
| CN110805212A (en) * | 2019-11-06 | 2020-02-18 | 中建四局华南建设有限公司 | Construction method for roof flashing |
| CN111350315A (en) * | 2020-03-20 | 2020-06-30 | 中国十七冶集团有限公司 | Waterproof closing-in pre-embedding method for roof parapet |
-
2021
- 2021-11-30 CN CN202111446171.3A patent/CN114000666B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677440A (en) * | 2016-12-30 | 2017-05-17 | 河北恒山建设集团有限公司 | Roofing parapet water-floating structure and construction method thereof |
| CN208293929U (en) * | 2018-04-18 | 2018-12-28 | 湖南省第四工程有限公司 | A kind of roofing flashing structure |
| CN110593493A (en) * | 2019-09-02 | 2019-12-20 | 中冶天工集团天津有限公司 | Waterproof coiled material closing-in preformed groove template for constructing parapet wall, manufacturing method and construction method |
| CN110805212A (en) * | 2019-11-06 | 2020-02-18 | 中建四局华南建设有限公司 | Construction method for roof flashing |
| CN111350315A (en) * | 2020-03-20 | 2020-06-30 | 中国十七冶集团有限公司 | Waterproof closing-in pre-embedding method for roof parapet |
Non-Patent Citations (1)
| Title |
|---|
| 王志儒: "《怎样编制建筑装饰工程概预算》", 北京：中国建筑工业出版社, pages: 99 - 100 * |
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