CN115324120A - Waterproof structure for side surface of large building foundation and construction method thereof - Google Patents
Waterproof structure for side surface of large building foundation and construction method thereof Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 239000010410 layer Substances 0.000 claims abstract description 129
- 239000011241 protective layer Substances 0.000 claims abstract description 36
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 81
- 238000004078 waterproofing Methods 0.000 claims description 41
- 239000012528 membrane Substances 0.000 claims description 37
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 229920002943 EPDM rubber Polymers 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000004073 vulcanization Methods 0.000 claims description 5
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- 230000000694 effects Effects 0.000 abstract description 4
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000011083 cement mortar Substances 0.000 description 1
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- 230000032798 delamination Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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Abstract
The invention discloses a waterproof structure for the side surface of a large building foundation and a construction method thereof, wherein the waterproof structure comprises a foundation side surface which needs to be constructed in a field; the waterproof structure comprises a concrete cushion layer, a mortar leveling layer, a waterproof coil layer, a transition layer and a concrete protective layer which are sequentially arranged on the outer side of the side face of the foundation from bottom to top; the construction method comprises the following steps: s1: laying a concrete cushion; s2: paving a mortar leveling layer; s3: laying a waterproof roll layer; s4: laying a transition layer; s5: laying a concrete protective layer; the waterproof structure is simple in structure and convenient and fast to construct, can effectively prevent the side face of the large building foundation from being waterproofed, ensures the waterproof effect, reduces the hollowing phenomenon of the waterproof roll, enhances the stability of the waterproof structure, and improves the construction quality of waterproof engineering.
Description
Technical Field
The invention relates to the technical field of engineering waterproof construction, in particular to a waterproof structure for the side surface of a large building foundation and a construction method thereof.
Background
The building site waterproof engineering is a subsection engineering which ensures that the structure of a building is not affected by water and the internal space is damaged by water, and the building waterproof engineering plays an important role in the whole building engineering. The building waterproof engineering relates to a plurality of parts of basement, wall and floor, wall body, roof and the like of a building, and has the functions of preventing the leakage of rainwater, production water and domestic water and the erosion of underground water in the design endurance life of the building or the structure, ensuring that a building structure and an internal space are not polluted and providing a comfortable and safe living space environment for people.
In the construction, the foundation plane and the vertical plane are often constructed by laying the waterproof roll in the construction, but the hollowing phenomenon often occurs when the waterproof roll is bonded, and the concrete protective layer outside the waterproof roll is not easily attached and easily falls off when the concrete protective layer is constructed, as shown in fig. 4. Moreover, most of the engineering waterproof materials constructed in the past adopt SBS coiled materials for waterproofing, and the materials have high requirements on the base surface and soft materials, and are easy to damage, so that structural water leakage is caused. When the waterproof material is welded manually, the problems of leakage, unqualified joint requirement, high labor cost and the like are easy to occur; the novel non-vulcanization heat welding ethylene propylene diene monomer waterproof roll can avoid the defects of the traditional SBS waterproof roll, but the novel non-vulcanization heat welding ethylene propylene diene monomer waterproof roll has smooth surface, so that a subsequent concrete protective layer is not easy to adhere after the vertical surface construction is finished, and the concrete protective layer is easy to fall off; the material has obvious expansion on heat and contraction on cold characteristics, and the concrete protective layer on the vertical surface is caused to be hollow and fall off due to the hollow phenomenon at high temperature, so that the quality of the concrete protective layer is influenced. In addition, because of the action of gravity, the waterproofing membrane who sets up in the basis side easily drops and drops, influences construction quality and engineering progress. Based on the above drawbacks, a stable waterproof structure and a corresponding construction method are needed to ensure the construction quality of the waterproof engineering.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a waterproof structure for a foundation side of a large building and a construction method thereof, which ensure stability of the waterproof structure and improve waterproof quality.
In order to achieve the above purpose, the invention adopts the technical scheme that:
a waterproof structure for the side of a large building foundation and a construction method thereof comprise a foundation side which needs to be constructed in a field; the waterproof structure comprises a concrete cushion layer, a mortar leveling layer, a waterproof coil layer, a transition layer and a concrete protective layer which are sequentially arranged on the outer side of the side face of the foundation from bottom to top; the waterproof roll layer comprises a first waterproof roll and a second waterproof roll which are arranged inside and outside, the first waterproof roll and the second waterproof roll are both provided with smooth surfaces and rough surfaces, the rough surfaces of the first waterproof roll face the side surface of the foundation, and the smooth surfaces of the second waterproof roll face the first waterproof roll; the upper end of the waterproof roll material layer is arranged on a plane connected with the side face of the foundation and is compressed through a compressing device.
Furthermore, the pressing device is a concrete pressing block, and the upper surface of the concrete pressing block is flush with the upper surface of the concrete protective layer.
Further, the transition layer is glass fiber mesh cloth.
Further, the first waterproof roll is bonded with the mortar leveling layer by adopting a special adhesive formed by mixing cement paste and an adhesive; the second waterproof roll is bonded with the first waterproof roll through an adhesive.
Further, a third waterproof coiled material is arranged below the waterproof coiled material layer at the junction of the side surface of the foundation and the adjacent planes above and below; first waterproofing membrane, second waterproofing membrane and third waterproofing membrane are non-vulcanization hot welding ethylene propylene diene monomer rubber waterproofing membrane, the width is laid to third waterproofing membrane does each 150mm in basis side and plane.
Further, the construction method comprises the following steps:
s1: laying a concrete cushion on the side surface of the foundation;
s2: paving a mortar leveling layer; paving a mortar leveling layer on the concrete cushion layer for leveling;
s3: laying a waterproof roll layer; paving a first waterproof coiled material on the mortar leveling layer, and paving a second waterproof coiled material on the first waterproof coiled material;
s4: laying a transition layer; the transition layer is used for enhancing the adhesive force of the concrete protective layer;
s5: and paving a concrete protective layer on the transition layer.
Further, when the first waterproof coiled material is laid, a special adhesive is fully brushed on the mortar leveling layer, and a wet laying method is adopted for construction; and air at the bottom of the first waterproof coiled material is removed during construction.
Further, before step S3, a third waterproof roll is laid at the junction of the foundation side and the adjacent upper and lower planes.
Furthermore, the overlapping position of the seam between each layer of waterproof coiled material is more than or equal to 100mm, the seam between each layer of waterproof coiled material is welded, and the width of a single welding seam is more than or equal to 30mm.
Further, after the waterproof roll material layer is laid, the upper end of the waterproof roll material layer is pressed through the pressing device.
The invention has the beneficial effects that:
the invention provides a waterproof structure for the side surface of a large building foundation and a construction method thereof, wherein the waterproof structure comprises a concrete cushion layer, a mortar leveling layer, a waterproof coil layer, a transition layer and a concrete protective layer which are sequentially arranged on the outer side of the side surface of the foundation; the concrete cushion layer is used for protecting the side surface of the foundation, and the mortar leveling layer is paved on the bottom surface, so that the waterproof coiled material is installed; waterproof coiled material layer improves waterproof construction's waterproof nature, and waterproof concrete protective layer protection prevents that waterproof coiled material layer from exposing and receives the physics injury, and the transition layer is used for improving the adhesion effect of concrete protective layer on waterproof coiled material layer, prevents the emergence of the circumstances such as concrete protective layer drops, improves waterproof construction's stability. The waterproof roll layer is compressed tightly through the pressing device, so that the falling-off of the waterproof roll layer inside due to gravity is prevented, and the stability of the waterproof structure is further improved. The waterproof method comprises the steps of sequentially paving the mortar leveling layer, the waterproof coiled material layer, the transition layer and the concrete protective layer, reducing the hollowing phenomenon of the waterproof coiled material in the construction process, enhancing the stability of the waterproof structure and improving the construction quality of the waterproof engineering.
Drawings
FIG. 1 is a schematic view of a waterproof structure according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 of the present invention;
FIG. 3 is a flow chart of a method of the present invention;
FIG. 4 is a field view of a prior art foundation side flashing arrangement;
fig. 5 is a diagram of the waterproof structure of the present invention formed in situ.
In the figure: 1. a base side; 2. a concrete cushion; 3. leveling mortar; 4. a waterproof roll layer; 41. a first waterproof roll; 42. a second waterproof roll; 43. a third waterproof coiled material; 5. a transition layer; 6. a concrete protective layer; 7. and a pressing device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a waterproof structure for a side of a foundation of a large building and a construction method thereof, including a foundation side 1 to be constructed in a site; the waterproof structure comprises a concrete cushion layer 2, a mortar leveling layer 3, a waterproof coil layer 4, a transition layer 5 and a concrete protective layer 6 which are sequentially arranged on the outer side of the foundation side surface 1 from bottom to top; concrete cushion 2 is used for protecting basis side 1, and mortar screed-coat 3 is used for making level the wall of basis side 1, makes the wall more smooth, is convenient for lay waterproofing membrane. The laying of the waterproof roll material layer 4 ensures the waterproof performance of the whole waterproof structure; waterproof concrete protective layer 6 prevents that waterproof roll material layer 4 from exposing and receives the physical injury, and transition layer 5 is used for improving the adhesion effect of concrete protective layer 6 on waterproof roll material layer 4, prevents the emergence of the circumstances such as concrete protective layer 6 drops, improves waterproof construction's stability. Waterproofing membrane layer 4 includes first waterproofing membrane 41 and second waterproofing membrane 42 of inside and outside setting, first waterproofing membrane 41 all possesses plain noodles and matte with second waterproofing membrane 42, and waterproof performance is guaranteed to double-deck waterproofing membrane, just first waterproofing membrane 41 matte orientation basic side 1, 42 plain noodles of second waterproofing membrane are towards first waterproofing membrane 41, the matte is the adhesive force of concrete protection layer 6 of being convenient for outwards, prevents that concrete protection layer 6 from droing. The upper end of the waterproof roll material layer 4 is arranged on a plane connected with the base side face 1 and is pressed tightly through a pressing device 7. Compress tightly waterproofing membrane and transition layer 5 through closing device 7, prevent to lead to droing on waterproofing membrane layer 4 because of the gravity reason, further improve waterproof construction's stability. It is worth to be noted that the concrete cushion layer 2, the mortar leveling layer 3, the waterproof roll material layer 4 and the concrete protection layer 6 extend into an upper plane and a lower plane adjacent to the foundation side surface 1, and the transition layer 5 is only laid on the foundation side surface 1. As a preferred embodiment, said first waterproofing membrane 41 is a 1.2mm thick non-vulcanized hot-welded ethylene propylene diene monomer waterproofing membrane; the second waterproof coiled material 42 is a non-vulcanized hot-welded ethylene propylene diene monomer waterproof coiled material with the thickness of 1.5 mm. The ethylene propylene diene monomer waterproof coiled material with non-vulcanized hot welding has strong structural stability, is not easy to be damaged to cause the reduction of waterproof performance, has the advantages of small shrinkage, small deformation, difficult delamination and lap joint cracking, and has the advantages of cold resistance, heat resistance, ozone resistance, corrosion resistance, aging resistance and the like; the waterproof roll has long service life, lower price compared with waterproof rolls made of other materials, is very suitable for the waterproof roll, and has high economic effect.
Preferably, the pressing device 7 is a concrete pressing block, and the upper surface of the concrete pressing block is flush with the upper surface of the concrete protective layer 6. As a preferred embodiment, the concrete compact is 100mm wide and 50mm high; the material of the waterproof structure is consistent with that of the concrete protective layer 6, C20 fine stone concrete is adopted, the concrete protective layer 6 is easy to mix due to the arrangement, and the stability of the whole waterproof structure is improved.
Preferably, the transition layer 5 is a glass fiber mesh fabric, so that the adhesion of the concrete protection layer 6 on the waterproof roll layer 4 is improved, and the situations that the concrete protection layer 6 falls off and is not firmly adhered are prevented.
Preferably, the first waterproof roll 41 and the mortar leveling layer 3 are bonded by using a special adhesive formed by mixing cement paste and an adhesive. When the waterproof roll material of the foundation side surface 1 is laid, due to the particularity of the vertical surface structure and the material of the waterproof roll material, the common adhesive cannot realize effective bonding of the first waterproof roll material 41 and the mortar leveling layer 3, and the hollowing phenomenon is serious, so that the cement paste and the special adhesive mixed in proportion of the adhesive are adopted for bonding when the waterproof roll material is used, the cement is combined with the cement in the mortar leveling layer 3, and the adhesive is used for bonding the roll material to realize effective bonding. The second waterproof roll 42 and the first waterproof roll 41 are bonded by an adhesive, and during bonding, the occurrence of a hollowing phenomenon should be avoided.
Preferably, a third waterproof coiled material 43 is further arranged below the waterproof coiled material layer 4 at the junction of the foundation side surface 1 and the adjacent planes above and below; first waterproofing membrane 41, second waterproofing membrane 42 and third waterproofing membrane 43 are 1.2mm thick non-vulcanization hot welding ethylene propylene diene monomer rubber waterproofing membrane, the width is laid to third waterproofing membrane 43 basis side 1 and each 150mm in plane for the waterproof performance of reinforcing corner.
Example 2
As shown in fig. 1 to 3, the present embodiment is developed on the basis of the above embodiments, and in particular, the present embodiment provides a waterproof structure for a side surface of a foundation of a large building and a construction method thereof, wherein the construction method comprises the following steps:
s1: paving a concrete cushion 2 on the foundation side surface 1; the concrete cushion 2 is a C15 concrete cushion 2 with the thickness of 100 mm.
S2: laying a mortar leveling layer 3; paving cement mortar with the thickness of 20mm and the weight ratio of cement to sand of 1:3 on the foundation side surface 1 for leveling; the mortar leveling layer 3 is used for ensuring the installation smoothness of the waterproof coil layer 4, and after the mortar leveling layer 3 is laid and shaped, the step S3 is executed.
S3: laying a waterproof roll material layer 4; paving a third waterproof coiled material 43 at the junction of the foundation side surface 1 and adjacent planes above and below, paving a first waterproof coiled material 41 on the mortar leveling layer 3, fully brushing a special adhesive on the mortar leveling layer 3 when the first waterproof coiled material 41 is paved, and adopting a wet paving method to construct, wherein the occurrence of a hollowing phenomenon is reduced by the wet paving method; during construction, the roller is used for removing air at the bottom of the first waterproof coiled material 41, and the phenomenon of hollowing is avoided from affecting the stability of the whole structure. Laying a second waterproofing roll 42 on the first waterproofing roll 41; when second waterproofing membrane 42 was laid, second waterproofing membrane 42 adopted the anti-method of gluing, the concrete protective layer 6 of being convenient for adhere to, seam position overlap joint should be greater than or equal to 100mm between each layer of waterproofing membrane, the seam adopts the welding between each layer of waterproofing membrane, its single welding seam width is greater than or equal to 30mm, lay the back that finishes at waterproofing membrane layer 4, set up closing device 7 and compress tightly the upper end on waterproofing membrane layer 4, prevent that waterproofing membrane from appearing the tenesmus because of reasons such as gravity, the circumstances such as drop, guarantee waterproof construction's stability.
S4: laying a transition layer 5; in a preferred embodiment, the transition layer 5 is a glass fiber mesh fabric, so that the adhesion of the concrete protection layer 6 on the waterproof roll layer 4 is improved, and the situations of falling off and loose adhesion of the concrete protection layer 6 are prevented.
S5: laying a concrete protective layer 6; the concrete protection layer 6 is a C20 fine-stone concrete protection layer 6 with the thickness of 50mm.
Example 3
As shown in fig. 1 to 3, the present embodiment is developed on the basis of the above embodiments, and in particular, the present embodiment provides a concrete implementation of a waterproof structure for a large building foundation side and a construction method thereof, as follows:
firstly, paving a C15 concrete cushion layer 2 with the thickness of 100mm on a foundation side surface 1, and then paving a mortar leveling layer 3 with the thickness of 20mm on the concrete cushion layer 2, wherein the weight ratio of cement to sand is 1:3 for leveling; paving a third waterproof coiled material 43 on the mortar leveling layer 3 at the junction of the foundation side face 1 and the adjacent plane below; and the third waterproof coiled material 43 is a 1.2mm thick non-vulcanized hot-welded ethylene propylene diene monomer waterproof coiled material, and the paving width of the third waterproof coiled material 43 is 150mm of each of the base side surface 1 and the plane, so that the waterproof performance of corners is enhanced. And then, paving a 1.2mm thick non-vulcanized hot welding ethylene propylene diene monomer waterproof coiled material on the mortar leveling layer 3 by using a special adhesive mixed by cement paste and the adhesive, paving the waterproof coiled material by adopting a wet paving method to fully adhere, paving the waterproof coiled material from bottom to top, and emptying air at the bottom of the waterproof coiled material by adopting a roller to prevent the occurrence of a hollowing phenomenon. After the first waterproof coiled material 41 is laid, a second waterproof coiled material 42 is laid by using an adhesive in an anti-sticking method, the second waterproof coiled material 42 is a non-vulcanized hot-welded ethylene propylene diene monomer waterproof coiled material with the thickness of 1.5mm, when the second waterproof coiled material 42 is laid, the bottom waterproof coiled material is cleaned up, the adhesive is fully stuck and laid, the lap joint of the waterproof coiled material is welded by an automatic welding machine, two coiled materials are lapped into an effective welding width, the lap joint width is more than or equal to 100mm, the joint between each layer of waterproof coiled material is welded, the width of a single welding seam is more than or equal to 30mm, hot air is blown out from the lap joint through a welding nozzle to heat, welding is started from the lower part of the base side surface 1, when the temperature of the outlet of the welding nozzle is 420-470 ℃, the edge of the waterproof coiled material is kneaded by heat, and meanwhile, the two coiled materials are fused into a whole by using a compression roller; when the plane is welded to be straight, the welding is continuously carried out by using an automatic welding machine; and (5) intermittently welding the vertical surface by using a manual welding gun.
Secondly, after the waterproof roll material layer 4 is laid, the upper end of the waterproof roll material layer is compressed through a concrete pressing block to prevent the waterproof roll material layer 4 from falling and falling off, and after the waterproof roll material layer 4 is verified to be qualified, the upper surface of the waterproof roll material layer 4 is provided with glass fiber gridding cloth for laying the concrete protective layer 6. After the glass fiber gridding cloth is arranged, a concrete protective layer 6 is laid on the upper surface of the glass fiber gridding cloth, and the whole waterproof structure is constructed after the concrete protective layer 6 is shaped. The waterproof structure after construction is as shown in fig. 5, the concrete protective layer 6 does not fall off, the waterproof roll does not fall off, the surface is flat, the phenomena of peeling and the like do not occur, and the structure is stable.
In addition, the waterproof construction quality is strictly controlled, the base layer must be strictly checked and cleaned, and the unqualified base layer cannot be constructed with the waterproof layer; ensuring good drainage conditions and keeping the base surface dry; the waterproof construction project should be configured with technology and quality-bearing nobody, and the technical and quality-responsible persons before construction should be familiar with the technical and quality requirements of the waterproof project, perfecting the construction scheme, and making technical exchange with each construction team; the quality control of the construction process is the key of the quality of the waterproof engineering, and the construction is carried out according to the construction process standard and the technical background content strictly; the paving coiled material is forbidden to be constructed in rainy days, snowy days, and strong winds of five grades and above, and the protection work of the paved coiled material is needed when rain or snow falls in the construction process. After waterproof construction accomplished, when doing waterproof concrete protective layer 6, the waterproofing team should send the special messenger and assist the supervision at the scene, prevents sharp objects such as civil engineering construction instrument and damages the waterproof layer, in case discover that the waterproof layer is destroyed, should in time repair, stops hidden danger.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A waterproof construction for the side of a large building foundation, comprising a foundation side (1) to be constructed in a field; the method is characterized in that: the waterproof structure comprises a concrete cushion layer (2), a mortar leveling layer (3), a waterproof coil layer (4), a transition layer (5) and a concrete protective layer (6) which are sequentially arranged on the outer side of the foundation side surface (1) from bottom to top; the waterproof roll layer (4) comprises a first waterproof roll (41) and a second waterproof roll (42) which are arranged inside and outside, the first waterproof roll (41) and the second waterproof roll (42) are both provided with a smooth surface and a rough surface, the rough surface of the first waterproof roll (41) faces the foundation side surface (1), and the smooth surface of the second waterproof roll (42) faces the first waterproof roll (41); the upper end of the waterproof roll material layer (4) is arranged on a plane connected with the base side face (1) and is compressed through a compressing device (7).
2. The waterproof structure for the foundation side of the large building and the construction method thereof according to claim 1, wherein: the pressing device (7) is a concrete pressing block, and the upper surface of the concrete pressing block is flush with the upper surface of the concrete protective layer (6).
3. The waterproof structure for the side of the foundation of the large building and the construction method thereof according to claim 1, wherein: the transition layer (5) is made of glass fiber gridding cloth.
4. The waterproof structure for the side of the foundation of the large building and the construction method thereof according to claim 1, wherein: the first waterproof roll (41) and the mortar leveling layer (3) are bonded by adopting a special adhesive mixed by cement paste and the adhesive; the second waterproof roll (42) is bonded to the first waterproof roll (41) by an adhesive.
5. The construction method of a waterproof structure for a foundation side of a large building according to claim 1, wherein: a third waterproof coiled material (43) is arranged below the waterproof coiled material layer (4) at the junction of the foundation side surface (1) and the adjacent planes above and below; first waterproofing membrane (41), second waterproofing membrane (42) and third waterproofing membrane (43) are non-vulcanization hot welding ethylene propylene diene monomer rubber waterproofing membrane, third waterproofing membrane (43) are laid the width and are do basis side (1) and each 150mm in plane.
6. A waterproof construction for large building foundation side and a construction method thereof are characterized in that: the construction method comprises the following steps:
s1: laying a concrete cushion (2) on the foundation side surface (1);
s2: paving a mortar leveling layer (3); paving a mortar leveling layer (3) on the concrete cushion layer (2) for leveling;
s3: laying a waterproof roll layer (4); laying a first waterproof roll (41) on the mortar leveling layer (3), and laying a second waterproof roll (42) on the first waterproof roll (41);
s4: laying a transition layer (5); the transition layer (5) is used for enhancing the adhesive force of the concrete protective layer (6);
s5: and paving a concrete protective layer (6) on the transition layer (5).
7. The waterproof structure for the foundation side of the large building and the construction method thereof according to claim 5, wherein: when the first waterproof coiled material (41) is laid, the mortar leveling layer (3) is fully brushed with a special adhesive, and a wet laying method is adopted for construction; air at the bottom of the first waterproof coiled material (41) is removed during construction.
8. The waterproof structure for the side of the foundation of the large scale building and the construction method thereof according to claim 5, wherein: and before the step S3, paving a third waterproof coiled material (43) at the junction of the foundation side surface (1) and the adjacent planes above and below.
9. The waterproof structure for the side of the foundation of the large scale building and the construction method thereof according to claim 8, wherein: the lapping of the seam position between each layer of waterproof coiled material is more than or equal to 100mm, the seam between each layer of waterproof coiled material is welded, and the width of a single welding seam is more than or equal to 30mm.
10. The waterproof structure for the foundation side of the large building and the construction method thereof according to claim 5, wherein: after the waterproof roll layer (4) is laid, the upper end of the waterproof roll layer (4) is pressed tightly through a pressing device (7).
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Citations (21)
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