CN114961136B - Super-large roof waterproof concrete protective layer separation seam construction structure and construction method thereof - Google Patents
Super-large roof waterproof concrete protective layer separation seam construction structure and construction method thereof Download PDFInfo
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- CN114961136B CN114961136B CN202210711038.4A CN202210711038A CN114961136B CN 114961136 B CN114961136 B CN 114961136B CN 202210711038 A CN202210711038 A CN 202210711038A CN 114961136 B CN114961136 B CN 114961136B
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- 238000000926 separation method Methods 0.000 title claims abstract description 120
- 238000010276 construction Methods 0.000 title claims abstract description 46
- 239000011241 protective layer Substances 0.000 title claims abstract description 30
- 238000007493 shaping process Methods 0.000 claims abstract description 67
- 239000006260 foam Substances 0.000 claims abstract description 47
- 239000002390 adhesive tape Substances 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- 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
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a construction structure of a separating seam of a waterproof concrete protective layer of an oversized roof and a construction method thereof, belonging to the field of building construction. The straight-section L-shaped shaping piece can prevent the separation seams from being damaged during concrete pouring, the foam strips can ensure the thickness of the separation seams, and meanwhile, the separation seams are prevented from being polluted. The construction method of the separation joint can effectively control the joint width, prevent the separation joint from damaging the concrete corner in the construction process and ensure that the separation joint can be broken by percentage.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a construction structure and a construction method for a separation seam of a waterproof concrete protective layer of an oversized roof.
Background
The setting of super large area concrete roof waterproof layer division seam not only will satisfy the practicality, will satisfy a great deal of functions such as aesthetic moreover, requires more and more meticulous to the partition joint way.
The traditional construction method mainly comprises a fillet method and a cutting method, but the straight separation seam construction by the fillet method is difficult to control, the embedded battens or extruded sheets in the seams are difficult to completely remove, corner drop damage is easily caused to concrete at the seam edges, and the width consistency of the separation seam is difficult to control. The cutting method has the limitations that corners of a roof with a lot of and complicated foundations of equipment for forming a roof opening are not cut in place, and the risk that separation seams cannot be completely broken and true seams cannot be formed into blocks independently is also caused. From the construction perspective, the construction effect depends on the experience of the operators, and there is a great uncertainty. Therefore, the conventional fillet method and cutting method have not been able to meet the actual needs in the field.
Disclosure of Invention
The invention aims to provide a construction structure and a construction method for a separation joint of a waterproof concrete protective layer of an oversized roof, which are used for ensuring that the separation joint is neat and attractive, the corners of concrete cannot be damaged, and hundreds of complete breakings of the separation joint are ensured. For the roof with a complex structure, the situation that the corners are not processed in place can not occur.
Therefore, the invention provides a construction structure for a separation seam of a waterproof concrete protective layer of an oversized roof, which comprises the following components:
the waterproof double-sided adhesive tapes are adhered to the waterproof layers on the two sides of the separation seam along the direction of the separation seam to be constructed, and the interval between the two waterproof double-sided adhesive tapes is not less than the width of the separation seam;
the cross-shaped profile is arranged at the cross-shaped position of two separation seams to be constructed, and the width of each right-angle side of the cross-shaped profile is equal to that of the separation seam;
the cross section of the straight L-shaped shaping piece is L-shaped, the straight L-shaped shaping piece is stuck on the waterproof double-faced adhesive tape along the extending direction of the separation seam to be constructed, horizontal plates of the straight L-shaped shaping piece on two sides of the separation seam to be constructed are arranged oppositely, and the straight L-shaped shaping piece is arranged between two adjacent right-angle edges of the cross-shaped shaping piece in a fitting manner;
the foam strip is filled between the two straight L-shaped forming pieces on two sides of the separation seam to be constructed, and the top of the foam strip is flush with the top of the straight L-shaped forming pieces;
and the waterproof protective layer is arranged between one side of the straight L-shaped shaping piece, which is far away from the foam strip, and the top of the waterproof layer.
Preferably, the construction method further comprises an E-shaped fixing clip, the section of the E-shaped fixing clip is E-shaped, and two vertical grooves of the E-shaped fixing clip are clipped into vertical plates of the straight L-shaped sections at two sides of the separation seam to be constructed.
Preferably, a ribbed plate is further connected between the horizontal plate and the vertical plate of the straight L-shaped profile.
In addition, the invention also provides a construction method of the oversized roof waterproof concrete protection layer separation joint, which is realized by utilizing the construction structure of the oversized roof waterproof concrete protection layer separation joint and comprises the following steps:
s1, preparation: according to the roof waterproof construction characteristics, determining the position of a separation seam to be constructed, and ensuring that a waterproof exhaust channel is positioned below the separation seam to be constructed; prefabricating a cross-shaped fixed section, a straight section L-shaped fixed section and an E-shaped fixed clamp in a factory and conveying the cross-shaped fixed section, the straight section L-shaped fixed section and the E-shaped fixed clamp to the site;
s2, measuring and paying off: strictly planning a construction drawing according to the separation seams to carry out on-site measurement and pay-off, releasing a separation seam positioning line, accurately positioning the cross-shaped part of the separation seams, and checking and accepting to be qualified;
s3, adhering a waterproof double-sided adhesive tape: adhering a waterproof double-sided adhesive tape to the waterproof layer outside the positioning line of the separation seam along the direction of the separation seam to be constructed;
s4, installing a cross-shaped shaping piece: aligning a cross point of a separation seam to be constructed with a central point of a cross shaped fixed piece, firstly, coinciding one edge of the cross shaped fixed piece with a positioning line, and then coinciding the other edge of the cross shaped fixed piece with a natural positioning line;
s5, mounting a straight L-shaped shaping piece: clamping the vertical groove of the E-shaped fixing clamp into vertical plates of two straight L-shaped shaping pieces, temporarily fixing the straight L-shaped shaping pieces and the E-shaped fixing clamp, and then sticking the two straight L-shaped shaping pieces onto the waterproof double-faced adhesive tape along the extending direction of a separation seam to be constructed to ensure that the straight L-shaped shaping pieces are attached and arranged between two adjacent right-angle sides of the cross-shaped shaping piece;
s6, installing a foam strip: taking the E-shaped fixing clamp out of the straight L-shaped forming pieces, filling the foam strip between the two straight L-shaped forming pieces on the two sides of the separation seam to be constructed, and ensuring that the top of the foam strip is flush with the top of the straight L-shaped forming pieces;
s7, installing an E-shaped fixing clamp: cutting off the foam strip to be provided with the E-shaped fixing clip, and clamping the vertical groove of the E-shaped fixing clip into the vertical plates of the two straight L-shaped fixed profile parts at the cutting part of the foam strip;
s8, pouring concrete between one side, far away from the foam strips, of the straight-section L-shaped shaping piece and the top of the waterproof layer to form a waterproof protective layer;
s9, taking out the foam strips, cleaning the separation seams, and finally, sealing waterproof sealant in the separation seams.
Preferably, when the position of the separating seam to be constructed is determined in the step S1, the separating seam to be constructed is typeset by utilizing CAD, all the separating seams are arranged in a grid shape, the separating seam is ensured to avoid the hole and is selected to be in an unobstructed position without a passage opening or an equipment foundation, and the ground separating seam and the parapet separating seam are ensured to be aligned to form a through seam.
Preferably, an exhaust cap is installed below a cross position of the separation seam to be constructed in S1, so that the exhaust caps are respectively communicated with the waterproof exhaust channel.
Preferably, when the straight-section L-shaped shaping piece is installed in the S5, one end, close to the cross-shaped shaping piece, of the straight-section L-shaped shaping piece is provided with an E-shaped fixing clamp, and one end, far away from the cross-shaped shaping piece, of the straight-section L-shaped shaping piece is provided with an E-shaped fixing clamp; the method comprises the following steps of firstly installing an E-shaped fixing clamp at one end of a straight-section L-shaped shaping piece close to a cross-shaped shaping piece to fix the cross-shaped shaping piece and the straight-section L-shaped shaping piece, then extending the straight-section L-shaped shaping piece to the other end to install, and fixing by the E-shaped fixing clamp.
Preferably, when the foam strips are installed in the step S6, the foam strips close to the cross-shaped profile are installed first, and then the foam strips far away from the cross-shaped profile are installed.
Preferably, when the concrete is poured in the step S8, the concrete around the separation seams is poured first, and the concrete is poured from the periphery to the middle in each grid.
Preferably, when S8 concreting, set up the reinforcing bar net piece in the middle part of every net to prevent the fracture to guarantee the marginal distance of concrete and straight section L shape setting member 10mm.
Compared with the prior art, the invention has the characteristics and beneficial effects that:
(1) The invention utilizes the cross-shaped fixed piece to strictly control the seam width, utilizes the E-shaped fixing clamp to further effectively control the seam width, effectively ensures the upper width of the separation seam to be consistent, increases the rigidity of the straight-section L-shaped fixed piece, and ensures that the straight-section L-shaped fixed piece cannot deform.
(2) The invention utilizes CAD to typeset the separation seams into grids, each grid unit is a separation area, and after waterproof double faced adhesive tapes are pasted, a cross shaped shaping piece is installed to control the seam width; then the E-shaped fixing clip is clamped between the vertical plates of the two straight L-shaped shaping pieces, and the E-shaped fixing clip can increase the rigidity of the straight L-shaped shaping pieces and ensure that the straight L-shaped shaping pieces cannot deform; then sticking the straight L-shaped forming pieces to the mode double-sided adhesive to ensure that the vertical plates of the two straight L-shaped forming pieces are stuck between two adjacent right-angle sides of the crossed forming pieces, preventing the separation seam from being damaged during concrete pouring by using the straight L-shaped forming pieces, and effectively controlling the seam width by using the E-shaped fixing clips; then, filling a foam strip between the vertical plates of the two straight L-shaped fixed profile parts, and ensuring that the top of the foam strip is flush with the top of the straight L-shaped fixed profile part so as to ensure the thickness of the separation seam and simultaneously ensure that the separation seam is not polluted; then installing an E-shaped fixing clamp to ensure that the straight-section L-shaped profile does not deform in the concrete pouring process; and finally, pouring concrete, taking out the foam strips, and then applying waterproof sealant. The construction method of the separation joint can effectively control the joint width, prevent the separation joint from damaging the concrete corner in the construction process and ensure that the separation joint can be broken by percentage.
Drawings
FIG. 1 is a layout diagram of separating seams;
FIG. 2 is a schematic elevation structure view of a construction structure for a separation joint;
FIG. 3 is a schematic plan view of the completed construction of the division joint;
FIG. 4 is a schematic structural view of a cross-shaped profile;
FIG. 5 is a schematic structural view of a straight L-shaped form;
FIG. 6 is a schematic structural view of an E-shaped fixing clip;
FIG. 7 is a schematic plan view of the tape after being paid off and adhered with the waterproof double-sided tape;
FIG. 8 is a schematic plan view of the cross-shaped stator after installation;
FIG. 9 is a schematic plan view of the straight L-shaped setting member after installation;
fig. 10 is a schematic plan view after installation of the foam strip.
The attached drawings are marked as follows: 1-waterproof double-sided adhesive tape, 2-cross shaped fixed parts, 3-straight L-shaped fixed parts, 31-vertical plates, 32-horizontal plates, 33-ribbed plates, 4-E shaped fixing clips, 5-foam strips, 6-separation seams, 7-waterproof layers and 8-waterproof protective layers.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative and exemplary of the concepts of the present invention and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2 and 3, the construction structure of the separation seam of the waterproof concrete protective layer of the oversized roof comprises a waterproof double-sided adhesive tape 1, a cross-shaped shaping piece 2, a straight-section L-shaped shaping piece 3, a foam strip 5, an E-shaped fixing clip 4 and a waterproof protective layer 8. The cross-shaped shaping piece 2, the straight section L-shaped shaping piece 3 and the E-shaped fixing clip 4 are all made of PVC materials.
The waterproof double-sided adhesive tapes 1 are adhered to the waterproof layers 7 on the two sides of the separation seam 6 along the direction of the separation seam 6 to be constructed, and the interval between the two waterproof double-sided adhesive tapes 1 is not smaller than the width of the separation seam 6.
As shown in fig. 4, the cross-shaped profile 2 is arranged at the cross position of two separation seams 6 to be constructed, and the width of each right-angle side of the cross-shaped profile 2 is equal to the width of the separation seam 6.
As shown in fig. 5, the cross section of the straight L-shaped form 3 is L-shaped, the straight L-shaped form 3 is adhered to the waterproof double-sided adhesive tape 1 along the extending direction of the separation seam 6 to be constructed, the horizontal plates 32 of the straight L-shaped form 3 on both sides of the separation seam 6 to be constructed are arranged in a back-to-back manner, and the straight L-shaped form 3 is attached between two adjacent right-angle sides of the cross-shaped form 2. A ribbed plate 33 is connected between the horizontal plate 32 and the vertical plate 31 of the straight L-shaped setting piece 3.
The foam strip 5 is filled between the two straight L-shaped fixing pieces 3 on two sides of the separation seam 6 to be constructed, and the top of the foam strip 5 is flush with the top of the straight L-shaped fixing piece 3.
As shown in fig. 6, the section of the E-shaped fixing clip 4 is E-shaped, and two vertical grooves of the E-shaped fixing clip 4 are clipped into the vertical plates 31 of the straight L-shaped stereotype 3 at two sides of the separation seam 6 to be constructed.
The waterproof protective layer 8 is arranged between one side of the straight L-shaped shaping piece 3, which is far away from the foam strip 5, and the top of the waterproof layer 7.
In addition, the invention also provides a construction method of the oversized roof waterproof concrete protection layer separation joint, which is realized by utilizing the construction structure of the oversized roof waterproof concrete protection layer separation joint and comprises the following steps:
s1, preparation: according to the roof waterproof construction characteristics, the characteristics of a plurality of complicated roof openings, different shapes and sizes, and inclined roofs and openings are comprehensively considered, the positions of the separation seams 6 to be constructed are determined, the waterproof exhaust channels are ensured to be positioned below the separation seams 6 to be constructed, communicated exhaust channels are formed, and the effects of one design and double use are achieved. An exhaust cap is arranged below the cross position of the separation seam 6 to be constructed, so that the exhaust cap is respectively communicated with the waterproof exhaust channel, and the structure is attractive, concise and elegant. And when the position of the separation seam 6 to be constructed is determined, typesetting is carried out on the separation seam 6 to be constructed by utilizing CAD. As shown in fig. 1, all the separation slits 6 are arranged in a grid pattern, and each grid cell is a separation region. Ensuring that the parting line 6 avoids the hole and selects an unobstructed position without a passage opening or equipment foundation, and ensuring that the ground parting line is aligned with the parapet parting line to form a through seam. The separation seam on the ground and the vertical seam on the wall surface are kept aligned and consistent in width, the characteristics of the roof parapet, the equipment opening and the smoke exhaust skylight are fully utilized, and the unique effect of the separation seam is highlighted. The two sides of the separation seam are respectively provided with a separation belt with the width of 100mm and different colors from the ground, so that the effect of the separation seam is shown, and each equipment hole and the equipment foundation can fully show the aesthetic function of the separation seam by using an independent courtyard. The cross-shaped shaping piece 2, the straight L-shaped shaping piece 3 and the E-shaped fixing clip 4 are prefabricated in a factory and transported to the site.
S2, measuring and paying off: and strictly planning a construction drawing according to the separation seams to carry out on-site measurement and pay-off, releasing a separation seam positioning line, accurately positioning the crossed part of the separation seams 6, and checking and accepting to be qualified.
S3, adhering a waterproof double-sided adhesive tape 1: as shown in fig. 7, the waterproof double-sided tape 1 is stuck to the waterproof layer 7 outside the parting line along the parting line 6 to be constructed.
S4, mounting a cross-shaped shaping piece 2: as shown in fig. 8, the cross point of the separation seam 6 to be constructed is aligned with the center point of the cross shaped member 2, one side of the cross shaped member 2 is firstly overlapped with the positioning line, and then the other side of the cross shaped member 2 is overlapped with the natural positioning line.
Whether the cross-shaped shaping piece 2 is accurate or not directly influences the control precision of elevation control, the thickness of a waterproof concrete protective layer and a smoothing system, so that the method is very key and has the following operation key points:
(1) And the angular points are accurately positioned. The fixation of the angular points is directly related to the longitudinal and transverse row positioning, and the height of the angular points determines the thickness of the waterproof concrete protective layer and is also a reference point of elevation.
(2) The level of the right-angle side determines the flatness of the waterproof protective layer. Two adjacent cross shaped pieces can be installed by the level gauge in an auxiliary way, so that the cross shaped pieces are ensured to be on the same horizontal plane, the phenomenon of warping in east, high and west can be avoided, and if the waterproof layer is slightly uneven, the multilayer waterproof double-sided adhesive tape 1 can be adopted for stacking and leveling.
(3) The seam width is strictly controlled. The determination of the seam width of the crossed part determines the width of the straight separation seam, which is the first control point for achieving the aesthetic appearance quality and must be accurate.
(4) And E-shaped fixing clips 4 are fixed. The E-shaped fixing clip 4 is an effective fixing piece which effectively ensures that the width of the upper part of the separation seam is consistent, the rigidity of the straight section is not easy to deform, the assembly and disassembly are easy, the fixing interval is mainly ensured, the E-shaped fixing clip 4 forms perpendicularity with the L-shaped fixed section 3 of the straight section, the characteristic that the E-shaped fixing clip 4 is not easy to twist is fully utilized to effectively control the seam width, and certain lateral pressure is ensured when the L-shaped fixed section 3 of the straight section can resist the concrete angle.
S5, mounting a straight L-shaped shaping piece 3: the vertical groove of the E-shaped fixing clip 4 is clamped into the vertical plates 31 of the two straight L-shaped stereotypes 3, so that the straight L-shaped stereotypes 3 and the E-shaped fixing clip 4 are temporarily fixed. Then, two straight L-shaped setting pieces 3 are adhered to the waterproof double-sided adhesive tape 1 along the extending direction of the separation seam 6 to be constructed, so that the straight L-shaped setting pieces 3 are ensured to be adhered and arranged between two adjacent right-angle edges of the cross setting piece 2, as shown in fig. 9. And sticking the straight L-shaped shaping piece 3 on the waterproof double-sided adhesive tape 1 in a point sticking mode, wherein the point sticking position is the fixed position of the E-shaped fixing clip 4. In a more preferred embodiment, when the straight L-shaped profile 3 is installed, an E-shaped fixing clip 4 is installed at one end of the straight L-shaped profile 3 close to the cross profile 2, and an E-shaped fixing clip 4 is installed at one end of the straight L-shaped profile 3 far away from the cross profile 2; at this moment, the E-shaped fixing clip 4 at one end of the straight L-shaped shaping piece 3 close to the cross shaping piece 2 is firstly installed to fix the cross shaping piece 2 and the straight L-shaped shaping piece 3, and then the straight L-shaped shaping piece 3 extends towards the other end to be installed and is fixed by the E-shaped fixing clip 4.
The straight L-shaped shaping piece 3 is installed according to the positioning line, and the auxiliary appliances such as infrared rays and cords are used for straightening. The straightness and levelness are checked in a key point, and after the straightness and the levelness are ensured, the straight section L-shaped shaping piece 3 is pasted on the waterproof double-sided adhesive tape 1. And after the glue is pasted, carrying out comprehensive inspection, checking whether the control of the overall straightness, levelness and thickness of the protective layer meets the requirements, adjusting immediately if a flaw exists, and carrying out installation and fixation construction on the L-shaped fixing piece 3 of the next straight section until the L-shaped fixing piece is qualified.
S6, installing a foam strip 5: the E-shaped fixing clip 4 is taken out of the straight L-shaped forming piece 3, the foam strip 5 is filled between the two straight L-shaped forming pieces 3 at two sides of the separation seam 6 to be constructed, the top of the foam strip 5 is ensured to be flush with the top of the straight L-shaped forming piece 3, and the separation seam is ensured not to be polluted, as shown in figure 10. In a more preferred embodiment, the foam strips 5 are installed first in the area near the cruciform baffle 2 and then in the area away from the cruciform baffle 2, the foam strips 5 are installed.
S7, installing an E-shaped fixing clamp 4: the foam strip 5 at the position where the E-shaped fixing clip 4 is to be installed is cut off, and the vertical groove of the E-shaped fixing clip 4 is clipped into the vertical plates 31 of the two straight L-shaped stereotypes 3 at the cut-off position of the foam strip 5, as shown in figure 3. The E-shaped fixing clip 4 has the double functions of controlling the seam width and increasing the rigidity of the straight section. The distance between two adjacent E-shaped fixing clamps 4 is not more than 500m. Two sides of the joint are respectively provided with one E-shaped fixing clip 4 for strengthening, and one cross part is provided with 8E-shaped fixing clips 4 for reducing the error of key parts to the minimum. The number of the E-shaped fixing clips 4 can be increased according to the actual situation. The E-shaped fixing clamp 4 can be repeatedly used, and can be disassembled after concrete pouring is finished and final setting is achieved, and the concrete can be transferred to other construction parts for use.
And S8, pouring concrete between one side of the straight L-shaped shaping piece 3, which is far away from the foam strip 5, and the top of the waterproof layer 7 to form a waterproof protective layer 8, as shown in figure 2. In a more preferred embodiment, when concrete is poured, concrete is poured around the separation seams 6, and the concrete is poured from the periphery to the middle of each grid. When concrete is poured, the middle part of each grid is provided with a steel bar net piece to prevent cracking, and the edge of the concrete is ensured to be 310mm away from the straight L-shaped shaping piece. After concrete pouring is finished, the closing surface is scraped by using a hanging rod with the length not less than 3 meters and a straight L-shaped shaping piece 3 as an elevation and flatness control reference point. And (3) after leveling, performing mechanical press polishing twice to obtain slurry, after reaching a certain strength, fully scattering fine steel sand, wherein each square meter is not less than 3 kilograms, and then performing back and forth press polishing by using a mechanical polishing machine. The roof waterproof concrete protective layer is eroded by wind and rain for a long time, ice and snow are frozen and thawed, the surface is easy to cause sand, and the refined steel sand with the weight of not less than 3 kilograms per square meter can play a role in enhancing and has a wear-resisting effect.
S9, taking out the foam strips 5 and cleaning the separation seams 6, specifically, picking out one ends of the foam strips 5 by using steel bars, and then drawing out the foam strips 5, wherein broken parts are picked out and cleaned. Finally, waterproof sealant is filled in the separation seams 6.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (8)
1. A construction method for a separation seam of a waterproof concrete protective layer of an oversized roof is characterized by being realized by utilizing a construction structure for the separation seam of the waterproof concrete protective layer of the oversized roof,
this super large roofing waterproof concrete protective layer parting joint construction structures includes:
the waterproof double-sided adhesive tapes (1) are adhered to the waterproof layers (7) on the two sides of the separation seam (6) along the direction of the separation seam (6) to be constructed, and the interval between the two waterproof double-sided adhesive tapes (1) is not less than the width of the separation seam (6);
the cross-shaped profile (2) is arranged at the cross-shaped position of two separation seams (6) to be constructed, and the width of each right-angle side of the cross-shaped profile (2) is equal to that of the separation seam (6);
the cross section of the straight L-shaped shaping piece (3) is L-shaped, the straight L-shaped shaping piece (3) is adhered to the waterproof double-sided adhesive tape (1) along the extending direction of the separation seam (6) to be constructed, horizontal plates (32) of the straight L-shaped shaping piece (3) on two sides of the separation seam (6) to be constructed are arranged in a back-to-back mode, and the straight L-shaped shaping piece (3) is adhered to and arranged between two adjacent right-angle sides of the cross-shaped shaping piece (2);
the foam strip (5) is filled between the two straight L-shaped forming pieces (3) at two sides of the separation seam (6) to be constructed, and the top of the foam strip (5) is flush with the top of the straight L-shaped forming pieces (3);
the waterproof protective layer (8) is arranged between one side, far away from the foam strip (5), of the straight-section L-shaped shaping piece (3) and the top of the waterproof layer (7);
the section of the E-shaped fixing clamp (4) is E-shaped, and two vertical grooves of the E-shaped fixing clamp (4) are clamped into vertical plates (31) of straight L-shaped forming pieces (3) on two sides of a separation seam (6) to be constructed;
the construction method comprises the following steps:
s1, preparation: according to the roof waterproof construction characteristics, the position of the separation seam (6) to be constructed is determined, and the waterproof exhaust channel is ensured to be positioned below the separation seam (6) to be constructed; prefabricating a cross-shaped fixed profile (2), a straight-section L-shaped fixed profile (3) and an E-shaped fixed clamp (4) in a factory and conveying the fixed profiles to the site;
s2, measuring and paying off: strictly planning a construction drawing according to the separation seams to carry out on-site measurement and pay-off, releasing a separation seam positioning line, accurately positioning the crossed part of the separation seams (6), and checking and accepting to be qualified;
s3, adhering a waterproof double-sided adhesive tape (1): pasting the waterproof double-sided adhesive tape (1) on the waterproof layer (7) outside the separation seam positioning line along the direction of the separation seam (6) to be constructed;
s4, installing a cross-shaped shaping piece (2): aligning a cross point of a separation seam (6) to be constructed with a central point of a cross shaped member (2), firstly coinciding one edge of the cross shaped member (2) with a positioning line, and then coinciding the other edge of the cross shaped member (2) with a natural positioning line;
s5, mounting a straight L-shaped shaping piece (3): the vertical groove of the E-shaped fixing clamp (4) is clamped into vertical plates (31) of two straight L-shaped forming pieces (3), so that the straight L-shaped forming pieces (3) and the E-shaped fixing clamp (4) are temporarily fixed, then the two straight L-shaped forming pieces (3) are adhered to the waterproof double-sided adhesive tape (1) along the extending direction of a separation seam (6) to be constructed, and the straight L-shaped forming pieces (3) are ensured to be adhered and arranged between two adjacent right-angle sides of the crossed forming piece (2);
s6, installing a foam strip (5): taking the E-shaped fixing clamp (4) out of the straight L-shaped forming pieces (3), and filling the foam strip (5) between the two straight L-shaped forming pieces (3) at two sides of the separation seam (6) to be constructed to ensure that the top of the foam strip (5) is flush with the top of the straight L-shaped forming pieces (3);
s7, installing an E-shaped fixing clip (4): cutting off the foam strip (5) at the position where the E-shaped fixing clip (4) is to be installed, and clamping the vertical groove of the E-shaped fixing clip (4) into the vertical plates (31) of the two straight L-shaped shaping pieces (3) at the cutting-off position of the foam strip (5);
s8, pouring concrete between one side, far away from the foam strip (5), of the straight-section L-shaped shaping piece (3) and the top of the waterproof layer (7) to form a waterproof protective layer (8);
s9, taking out the foam strips (5), cleaning the separation seams (6), and finally, sealing waterproof sealant in the separation seams (6).
2. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: and a ribbed slab (33) is also connected between the horizontal plate (32) and the vertical plate (31) of the straight L-shaped shaping piece (3).
3. The construction method of the parting line of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: when the position of the separating seam (6) to be constructed is determined in the S1, the CAD is utilized to typeset the separating seam (6) to be constructed, all the separating seams (6) are arranged in a grid shape, the separating seam (6) is ensured to avoid the hole and be selected at the unobstructed position without a passage opening or an equipment foundation, and the ground separating seam is ensured to be aligned with the parapet separating seam to form a through seam.
4. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: in the S1, an exhaust cap is arranged below the cross position of the separation seam (6) to be constructed, so that the exhaust cap is respectively communicated with the waterproof exhaust channel.
5. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: when the straight L-shaped shaping piece (3) is installed in the S5, an E-shaped fixing clamp (4) is installed at one end, close to the cross-shaped shaping piece (2), of the straight L-shaped shaping piece (3), and an E-shaped fixing clamp (4) is installed at one end, far away from the cross-shaped shaping piece (2), of the straight L-shaped shaping piece (3); the cross-shaped fixing piece (2) and the straight section L-shaped fixing piece (3) are installed in a mode that the straight section L-shaped fixing piece (3) is close to an E-shaped fixing clamp (4) at one end of the cross-shaped fixing piece (2) to fix the cross-shaped fixing piece (2) and the straight section L-shaped fixing piece (3), then the straight section L-shaped fixing piece (3) extends towards the other end to be installed, and the straight section L-shaped fixing piece (3) is fixed through the E-shaped fixing clamp (4).
6. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: when the foam strips (5) are installed in the S6, the foam strips (5) close to the cross-shaped fixed profile (2) are installed firstly, and then the foam strips (5) far away from the cross-shaped fixed profile (2) are installed.
7. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 3, characterized by comprising the following steps: and S8, when concrete is poured, concrete around the separation seams (6) is poured firstly, and the concrete is poured from the periphery to the middle in each grid.
8. The construction method of the separation joint of the oversized roof waterproof concrete protective layer according to claim 1, characterized by comprising the following steps: s8, when concrete is poured, the middle part of each grid is provided with a steel bar net piece to prevent cracking, and the edge of the concrete is 10mm away from the straight L-shaped shaping piece (3).
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| CN215106659U (en) * | 2021-04-12 | 2021-12-10 | 河南天工建设集团有限公司 | Finished product separation seam for roof rigid protective layer |
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| JPH08284273A (en) * | 1995-04-14 | 1996-10-29 | Hiroyasu Ooka | Formation execution method of expansion joint insertion recessed part of waterproof presser concrete |
| TWM330323U (en) * | 2007-10-24 | 2008-04-11 | Wang-Teng Hsu | Expansion joint device for thermal insulation board |
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| CN114961136A (en) | 2022-08-30 |
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