CN108149802B - High-molecular polyethylene plate and waterproof protective layer structure and construction method thereof - Google Patents
High-molecular polyethylene plate and waterproof protective layer structure and construction method thereof Download PDFInfo
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- CN108149802B CN108149802B CN201711436670.8A CN201711436670A CN108149802B CN 108149802 B CN108149802 B CN 108149802B CN 201711436670 A CN201711436670 A CN 201711436670A CN 108149802 B CN108149802 B CN 108149802B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
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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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/12—Geometrical or physical properties corrugated
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0009—PE
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Abstract
The invention discloses a high-molecular polyethylene plate, which comprises a plate body, wherein the plate body is provided with bulges and grooves, the bulges and the grooves are continuously distributed at intervals, and the bulges can be assembled with the grooves; hollow cavities are arranged in the bulges and the grooves; the plate body is made of high polymer polyethylene material. The invention also discloses a waterproof protective layer structure applying the high-molecular polyethylene plate and a construction method of the waterproof protective layer structure. According to the invention, by utilizing the characteristics of acid and alkali resistance, plant root resistance, good flexibility, good tearing resistance and good impact resistance of the high-density polyethylene material and the internal cavity formed by the concave-convex design of the sheet material, an effective elastic buffer layer is formed, the waterproof coiled material is effectively protected, and the coiled material is prevented from being damaged by the backfilling material in the construction process; meanwhile, the process is quick and convenient to construct, short in construction period, capable of effectively saving manpower and construction period, very suitable for projects with narrow waterproof construction operation areas and short construction periods, and good in implementation effect.
Description
Technical Field
The invention relates to a construction method of a waterproof protective layer, in particular to a high-molecular polyethylene plate, a waterproof protective layer structure and a construction method thereof.
Background
In building construction, the waterproof quality is an important index influencing whether the building function can be normally used. The waterproof material applied in building construction is limited by the material characteristics, and is easy to be damaged due to load impact in the construction stage or the influence of natural environment in the use stage, so that the waterproof layer is locally damaged, and further the failure of the waterproof function is caused, therefore, a waterproof protective layer is generally required to be covered after the waterproof layer construction is finished.
The traditional construction process is to construct a brick wall for protection or paste a polystyrene board protective layer on the outer side, and the method has a plurality of defects, such as low construction efficiency of the brick wall protective layer, large occupied operation space and easy damage of the waterproof layer in the construction process; and the permanent protection effect of the polystyrene board protective layer is poor.
The invention provides a waterproof protective layer construction method which is good in protection effect, rapid and convenient in construction and high in economical efficiency, and aims to overcome the defects of the conventional method.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide a high molecular polyethylene plate, a waterproof protective layer structure thereof and a construction method, which have the advantages of good protection effect, rapid and convenient construction and high economy.
In order to achieve the purpose, the invention provides a high polymer polyethylene plate which comprises a plate body, wherein the plate body is provided with bulges and grooves, the bulges and the grooves are continuously distributed at intervals, and the bulges can be assembled with the grooves;
hollow cavities are arranged in the bulges and the grooves; the plate body is made of high polymer polyethylene material.
A waterproof protective layer structure of a high-molecular polyethylene plate comprises the high-molecular polyethylene plate, wherein the outer end face of a groove of the high-molecular polyethylene plate is abutted against a coiled material and is tightly attached to a structural layer through the coiled material, and a boss is back to the coiled material;
the high molecular polyethylene plate is positioned on one side of the boss as the outer side and is cast with the backfill layer into a whole;
the high-molecular polyethylene plate is positioned on one side of the groove and is inner side, the high-molecular polyethylene plate is tightly attached to the coiled material, and the coiled material is tightly attached to the structural layer.
As a further improvement of the invention, the coiled material is a double-sided self-adhesive waterproof coiled material, the backfill layer is an externally-facing layer, and the structural layer is an internally-facing layer.
As a further improvement of the invention, the end face of the structural layer, which is in contact with the coiled material, is coated with polyurethane waterproof paint.
A construction method of a waterproof protective layer of a high-molecular polyethylene plate comprises the following steps:
s1, processing a structural layer, wherein in order to ensure the construction quality of paving and pasting the high-molecular polyethylene plate, the end surface of the structural layer must be flat, compact and firm, concave and convex objects cannot exist, and dust and sand sundries must be removed before construction;
s2, positioning of a bullet line:
s21, firstly snapping lines on the structural layer, determining the paving position of the high-molecular polyethylene board, and ensuring that the paving direction of the high-molecular polyethylene board is straight and beautiful;
s22, in order to prevent the macromolecular polyethylene plate from swaying with the wind and generating potential safety hazards in the laying process, firstly, adhering double-sided self-adhesive coiled materials on the end surface of the structural layer for preliminary fixing of the macromolecular polyethylene plate;
s23, cutting the high molecular polyethylene plate according to the shape of the protrusion of the detail node of the through-wall pipe of the side wall, flatly paving and pasting the high molecular polyethylene plate according to the shape of the side wall, and rolling the high molecular polyethylene plate to the corner of the side wall after cutting;
s24, after the high molecular polyethylene plate is pre-unfolded, the high molecular polyethylene plate can drop to a certain degree due to friction force generated in the earth backfilling construction process, so that the high molecular polyethylene plate cannot be too tight in blanking and laying, and a margin of 50cm needs to be reserved at the corner between the bottom plate and the side wall and the corner between the side wall and the top plate;
s3, laying a high-molecular polyethylene plate:
s31, primarily positioning the corners of the bottom plate and the side walls by using stones or other weights, laying a high-molecular polyethylene plate from a position 100mm away from the internal and external corners of the wall, supporting the plate to be laid upwards, and laying the plate to a double-sided self-adhesive lap joint coiled material with the width of 20cm, wherein in the process, an isolation film of the double-sided self-adhesive coiled material is torn off, and the primary bonding and positioning of the plate are carried out; paving the plate to the joint with the top plate, and pressing the coiled material by applying stones or other heavy objects for positioning;
s32, fixing the side wall coiled material on the side wall through a high polymer polyethylene plate by using waterproof steel nails at a position which is 30cm above the end position of the coiled material of the side wall;
s4, lapping the high molecular polyethylene plate:
s41, when the high molecular polyethylene plates are lapped, lapping is carried out along the direction of the drainage gradient, and reverse lapping cannot be carried out;
s42, carrying out long-side lap joint treatment, namely carrying out lap joint by adopting thermal welding, wherein the lap joint width is 100 mm; if welding is missed and false, repair welding is needed, and when the welding is burnt and penetrated, plastic or rubber sheets are needed to be used for welding and covering; the corner parts can not be welded in place, and repair welding is carried out by using a handheld welding gun; if the hot welding cannot be adopted, the cold lap joint is carried out by adopting special glue;
s43, short edge lapping treatment: adopt the lock joint overlap joint, the overlap joint is greater than or equal to 2 archs, adopts glue bonding in the middle of the polymer polyethylene board, plays the reinforcing effect, and each bonding 60mm width in joint line both sides.
As a further improvement of the invention, the method also comprises the following steps:
s5, notes:
s51, the lap joint seam of the high molecular polyethylene plate cannot have the defects of missing welding, infirm welding and edge warping;
s52, fixing the top end of the high molecular polyethylene plate firmly and sealing tightly;
s53, when the protective layer is constructed, the finished waterproof layer or other structural layers are not damaged;
and S54, after the protective layer is qualified, backfilling earthwork in time.
As a further improvement of the invention, vertical batten plates are additionally arranged near the male and female corners of the high molecular polyethylene plate.
As a further improvement of the invention, the batten plates are arranged along the direction of the bulges and the grooves at the lap joint of the high molecular polyethylene plates for pressing.
The invention has the beneficial effects that:
according to the invention, by utilizing the characteristics of acid and alkali resistance, plant root resistance, good flexibility, good tearing resistance and good impact resistance of the high-density polyethylene material and the internal cavity formed by the concave-convex design of the sheet material, an effective elastic buffer layer is formed, the waterproof coiled material is effectively protected, and the coiled material is prevented from being damaged by the backfilling material in the construction process; meanwhile, the process is quick and convenient to construct, short in construction period, capable of effectively saving manpower and construction period, very suitable for projects with narrow waterproof construction operation areas and short construction periods, and good in implementation effect.
Drawings
Fig. 1 is a schematic structural diagram of a specific embodiment of a waterproof protective layer structure of a high molecular polyethylene plate according to the present invention.
FIG. 2 is a schematic view of the long side lapping structure of the present invention.
Figure 3 is a schematic view of the short edge lap joint of the present invention.
Figure 4 is a schematic view of the short edge lap joint of the present invention.
Fig. 5 is a schematic view of the present invention of laying a pair of coils on the end face of a structural layer.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1, a high molecular polyethylene plate comprises protrusions 101 and grooves 102, wherein the protrusions 101 and the grooves 102 are continuously distributed at intervals, and the protrusions 101 can be assembled with the grooves 102 (the outer contour of the protrusions 101 can be assembled with the inner contour of the grooves 102);
Referring to fig. 1, a waterproof protective layer structure of a high molecular polyethylene plate comprises a high molecular polyethylene plate 100, wherein the outer end face of a groove 102 of the high molecular polyethylene plate abuts against a coil 230 and abuts against a structural layer 220 through the coil 230, and a boss 101 faces away from the coil 230;
the high molecular polyethylene plate is positioned on one side of the boss 101 and is an outer side, and the high molecular polyethylene plate and the backfill layer 210 are poured into a whole;
the high molecular polyethylene plate is positioned at the inner side of one side of the groove 102 and is tightly attached to the coiled material 230, and the coiled material 230 is tightly attached to the structural layer 220.
Further, the coiled material is a double-sided self-adhesive waterproof coiled material, the backfill layer 210 is an outward-facing layer (a visible side of human eyes), and the structural layer 220 is an inward-facing layer, such as a wall body and a base layer.
Further, the end face of the structural layer 220 contacting with the coiled material is coated with polyurethane waterproof paint, and the design can improve the waterproof performance of the structural layer.
A construction method of a waterproof protective layer of a high-molecular polyethylene plate comprises the following steps:
s1, processing a structural layer, wherein in order to ensure the construction quality of paving and pasting the high-molecular polyethylene plate, the end surface of the structural layer must be flat, compact and firm, concave and convex objects cannot exist, and dust and sand sundries must be removed before construction;
s2, positioning of a bullet line:
s21, firstly snapping lines on the structural layer, determining the paving position of the high-molecular polyethylene board, and ensuring that the paving direction of the high-molecular polyethylene board is straight and beautiful;
s22, in order to prevent the macromolecular polyethylene plate from swaying with the wind and generating potential safety hazards in the laying process, firstly, 20cm multiplied by 20cm double-sided self-adhesive coiled materials are adhered to the end face of the structural layer and used for preliminary fixing of the macromolecular polyethylene plate; referring to fig. 5, a cut double-sided self-adhesive roll 500 is laid on the end surface 400 of the structural layer;
s23, cutting the high molecular polyethylene plate according to the shape of the protrusion of the detail node of the through-wall pipe of the side wall, flatly paving and pasting the high molecular polyethylene plate according to the shape of the side wall, and rolling the high molecular polyethylene plate to the wall corner of the side wall (structural layer) after cutting;
s24, after the high molecular polyethylene plate is pre-unfolded, the high molecular polyethylene plate can drop to a certain degree due to friction force generated in the earth backfilling construction process, so that the high molecular polyethylene plate cannot be too tight in blanking and laying, and a margin of 50cm needs to be reserved at the corner between the bottom plate and the side wall and the corner between the side wall and the top plate;
s3, laying a high-molecular polyethylene plate:
s31, primarily positioning the corners of the bottom plate and the side walls by using stones or other weights, laying a high-molecular polyethylene plate from a position 100mm away from the internal and external corners of the wall, supporting the plate to be laid upwards, and laying the plate to a double-sided self-adhesive lap joint coiled material with the width of 20cm, wherein in the process, an isolation film of the double-sided self-adhesive coiled material is torn off, and the primary bonding and positioning of the plate are carried out; paving the plate to the joint with the top plate, and pressing the coiled material by applying stones or other heavy objects for positioning;
s32, fixing the side wall coiled material on the side wall through a high polymer polyethylene plate by using waterproof steel nails at a position which is 30cm above the end position of the coiled material of the side wall;
s4, lapping the high molecular polyethylene plate:
s41, when the high molecular polyethylene plates are lapped, lapping is carried out along the direction of the drainage gradient, and reverse lapping cannot be carried out;
s42, carrying out long-side lap joint treatment, namely carrying out lap joint by adopting thermal welding, wherein the lap joint width is 100 mm; if welding is missed and false, repair welding is needed, and when the welding is burnt and penetrated, plastic or rubber sheets are needed to be used for welding and covering; the corner parts can not be welded in place, and repair welding is carried out by using a handheld welding gun; if the hot welding cannot be adopted, the cold lap joint is carried out by adopting special glue;
referring to fig. 2, the long edges 110 of the two high molecular polyethylene plates are fixedly connected by a first lap joint 310;
s43, short edge lapping treatment: the high-molecular polyethylene plate is buckled and lapped, the lapping is more than or equal to 2 bulges, the middle of the high-molecular polyethylene plate is bonded by glue, the reinforcing effect is achieved, and the two sides of the connecting seam are bonded by 60mm in width respectively;
referring to fig. 3-4, at least two protrusions 101 on the short sides of the high molecular polyethylene plate are fitted into the grooves of the other two high molecular polyethylene plates (the short sides of the two high molecular polyethylene plates are both in this structure), and the assembled parts are overlapped by thermal welding;
the short side lapped by the high molecular polyethylene plate has an assembly length (protrusion and groove assembly length) of more than 60mm with at least another high molecular polyethylene plate, and the other assembly parts except the heat welding lapping part are bonded by glue.
S5, notes:
s51, the lap joint seam of the high molecular polyethylene plate (protective layer) cannot have the defects of missing welding, infirm welding, edge warping and the like;
s52, fixing the top end of the high molecular polyethylene plate firmly and sealing tightly;
s53, when the protective layer is constructed, other structural layers such as the finished waterproof layer and the like cannot be damaged;
and S54, after the protective layer is qualified, backfilling earthwork (backfill layer) in time.
Furthermore, vertical batten plates must be additionally arranged near the male and female corners of the high molecular polyethylene plate.
Furthermore, a batten plate is arranged at the lap joint of the high polymer polyethylene plate along the direction of the bulge and the groove for pressing.
Furthermore, the high molecular polyethylene plate is reinforced at the position where the batten pressing plate is arranged (the batten pressing plate and the high molecular polyethylene plate are fixed); the batten plate and the concrete base layer (structural layer) are connected by adopting a special connector (one end of a bolt can be solidified in the structural layer, and the batten plate is tightly pressed on the structural layer through a nut).
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A construction method of a waterproof protective layer of a high-molecular polyethylene plate is characterized by comprising the following steps: the method comprises the following steps:
s1, processing a structural layer, wherein in order to ensure the construction quality of paving and pasting the high-molecular polyethylene plate, the end surface of the structural layer must be flat, compact and firm, concave and convex objects cannot exist, and dust and sand sundries must be removed before construction;
s2, positioning of a bullet line:
s21, firstly snapping lines on the structural layer, determining the paving position of the high-molecular polyethylene board, and ensuring that the paving direction of the high-molecular polyethylene board is straight and beautiful;
s22, in order to prevent the macromolecular polyethylene plate from swaying with the wind and generating potential safety hazards in the laying process, firstly, adhering double-sided self-adhesive coiled materials on the end surface of the structural layer for preliminary fixing of the macromolecular polyethylene plate;
s23, cutting the high molecular polyethylene plate according to the shape of the protrusion of the detail node of the through-wall pipe of the side wall, flatly paving and pasting the high molecular polyethylene plate according to the shape of the side wall, and rolling the high molecular polyethylene plate to the corner of the side wall after cutting;
s24, after the high molecular polyethylene plate is pre-unfolded, the high molecular polyethylene plate can drop to a certain degree due to friction force generated in the earth backfilling construction process, so that the high molecular polyethylene plate cannot be too tight in blanking and laying, and a margin of 50cm needs to be reserved at the corner between the bottom plate and the side wall and the corner between the side wall and the top plate;
s3, laying a high-molecular polyethylene plate: the high polymer polyethylene plate comprises a plate body, wherein the plate body is provided with bulges and grooves, the bulges and the grooves are continuously distributed at intervals, and the bulges can be assembled with the grooves; hollow cavities are arranged in the bulges and the grooves; the plate body is made of a high-molecular polyethylene material;
s31, primarily positioning the corners of the bottom plate and the side walls by using stones or other weights, laying a high-molecular polyethylene plate from a position 100mm away from the internal and external corners of the wall, supporting the plate to be laid upwards, and laying the plate to a double-sided self-adhesive lap joint coiled material with the width of 20cm, wherein in the process, an isolation film of the double-sided self-adhesive coiled material is torn off, and the primary bonding and positioning of the plate are carried out; paving the plate to the joint with the top plate, and pressing the coiled material by applying stones or other heavy objects for positioning;
s32, fixing the side wall coiled material on the side wall through a high polymer polyethylene plate by using waterproof steel nails at a position which is 30cm above the end position of the coiled material of the side wall;
s4, lapping the high molecular polyethylene plate:
s41, when the high molecular polyethylene plates are lapped, lapping is carried out along the direction of the drainage gradient, and reverse lapping cannot be carried out;
s42, carrying out long-side lap joint treatment, namely carrying out lap joint by adopting thermal welding, wherein the lap joint width is 100 mm; if welding is missed and false, repair welding is needed, and when the welding is burnt and penetrated, plastic or rubber sheets are needed to be used for welding and covering; the corner parts can not be welded in place, and repair welding is carried out by using a handheld welding gun; if the hot welding cannot be adopted, the cold lap joint is carried out by adopting special glue;
s43, short edge lapping treatment: adopt the lock joint overlap joint, the overlap joint is greater than or equal to 2 archs, adopts glue bonding in the middle of the polymer polyethylene board, plays the reinforcing effect, and each bonding 60mm width in joint line both sides.
2. The method for constructing a waterproof layer of a polyethylene sheet according to claim 1, wherein: the outer end face of the groove of the high-molecular polyethylene plate is abutted against the coiled material and is tightly attached to the structural layer through the coiled material, and the boss is back to the coiled material;
the high molecular polyethylene plate is positioned on one side of the boss as the outer side and is cast with the backfill layer into a whole;
the high-molecular polyethylene plate is positioned on one side of the groove and is inner side, the high-molecular polyethylene plate is tightly attached to the coiled material, and the coiled material is tightly attached to the structural layer.
3. The method for constructing a waterproof layer of a polyethylene sheet according to claim 2, wherein: the coiled material is a double-sided self-adhesive waterproof coiled material, the backfill layer is an outer-facing layer, and the structural layer is an inner-facing layer.
4. The method for constructing a waterproof layer of a polyethylene sheet according to claim 2, wherein: and the end face of the structural layer, which is in contact with the coiled material, is coated with a polyurethane waterproof coating.
5. The method for constructing a waterproof layer of a polyethylene sheet according to claim 1, wherein: the lap joint seam of the high molecular polyethylene plate cannot have the defects of missing welding, infirm welding and edge warping; the top end of the high molecular polyethylene plate is firmly fixed and tightly sealed; when the protective layer is constructed, the finished waterproof layer or other structural layers cannot be damaged; and after the protective layer is qualified, earth should be backfilled in time.
6. The method for constructing a waterproof layer of a polyethylene sheet according to claim 1, wherein: vertical batten plates are required to be additionally arranged near the male and female corners of the high polymer polyethylene plate.
7. The method for constructing a waterproof layer of a polyethylene sheet according to claim 1, wherein: and arranging a batten plate along the direction of the bulge and the groove at the lap joint of the high polymer polyethylene plate for pressing.
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| CN110886322A (en) * | 2018-09-07 | 2020-03-17 | 北京众泰云达科技发展有限公司 | Internal corner structure of drainage system |
| CN113187088A (en) * | 2021-04-25 | 2021-07-30 | 中国五冶集团有限公司 | Basement outer wall without bricklaying wall protection layer and construction method |
| CN115467430A (en) * | 2022-08-23 | 2022-12-13 | 中建材创新科技研究院有限公司 | Outer wall waterproof construction and waterproof system that catchments |
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| CN1607303A (en) * | 2003-10-13 | 2005-04-20 | 侯彩虹 | Multifunctional waterproof board |
| CN100350118C (en) * | 2005-05-16 | 2007-11-21 | 江阴市华宏橡塑厂 | High density polyethylene drainage protection board and its preparation method |
| CN105781031A (en) * | 2016-03-18 | 2016-07-20 | 南开大学 | Green roof structure with rainwater retaining ability |
| CN206647136U (en) * | 2017-04-18 | 2017-11-17 | 衡水旗舰桥隧橡塑有限公司 | A kind of easily paving hung type drain bar |
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