CN111691640B - Prestressed seamless terrace and construction method thereof - Google Patents
Prestressed seamless terrace and construction method thereof Download PDFInfo
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- CN111691640B CN111691640B CN202010605072.4A CN202010605072A CN111691640B CN 111691640 B CN111691640 B CN 111691640B CN 202010605072 A CN202010605072 A CN 202010605072A CN 111691640 B CN111691640 B CN 111691640B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
Abstract
The invention relates to a prestressed seamless terrace and a construction method thereof, which are applied to the field of terrace construction, and the key points of the technical scheme are as follows: contain concrete placement surface course, reinforcing bar layer, bellows layer, first PE rete, second PE rete, well sand bed course, metalling and the basic unit that sets gradually along vertical direction, the second PE rete deviates from and is equipped with annular first waterproofing membrane along the periphery on the terminal surface of well sand bed course, first waterproofing membrane's inner edge packing has fine sand layer, the up end of fine sand layer flushes with first waterproofing membrane's up end, first waterproofing membrane and fine sand layer are supported tightly between first PE rete and second PE rete. The invention has the technical effects that: first PE rete and the difficult damage of second PE rete to the humidity resistance of terrace has been improved.
Description
Technical Field
The invention relates to the technical field of terrace construction, in particular to a prestressed seamless terrace and a construction method thereof.
Background
The terrace is a ground which is constructed and treated by using specific materials and processes and presents certain decoration and functionality.
Publication number CN110735513A discloses a construction method of a prestressed terrace, the structure of which is: contain concrete placement surface course, reinforcing bar layer, corrugated pipe layer, first PE rete, second PE rete, well sand bed course, metalling and the basic unit that sets gradually along vertical direction.
The above prior art solutions have the following drawbacks: first PE rete and the second PE rete that play dampproofing effect in the above-mentioned terrace structure are directly supported tightly between corrugated pipe layer and well sand cushion, in the work progress, the staff is when adjusting the position on corrugated pipe layer, because well sand cushion surface smoothness is great, and the surface is comparatively crude promptly, appears first PE rete and second PE rete simultaneously by the damaged condition of extrusion easily to the humidity resistance of this terrace structure has been reduced.
Disclosure of Invention
The invention aims to provide a prestressed seamless terrace, which has the advantages that: first PE rete and the difficult damage of second PE rete to the humidity resistance of terrace has been improved.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a seamless terrace of prestressing force, contains concrete placement surface course, reinforcing bar layer, bellows layer, first PE rete, second PE rete, well sand bed course, metalling and the basic unit that sets gradually along vertical direction, be equipped with annular first waterproofing membrane along the periphery on the terminal surface that second PE rete deviates from well sand bed course, first waterproofing membrane's inner edge packing has fine sand layer, the up end of fine sand layer flushes with first waterproofing membrane's up end, first waterproofing membrane and fine sand layer are supported tightly between first PE rete and second PE rete.
Through the technical scheme, the first PE film layer is tightly propped between the corrugated pipe and the first waterproof coiled material and the fine sand layer, and the surface flatness of the first waterproof coiled material and the surface flatness of the fine sand layer are both smaller than that of the medium sand cushion layer, so that the first PE film layer is not easy to damage under the extrusion of the corrugated pipe layer; the first waterproof coiled material and the fine sand layer are positioned between the corrugated pipe layer and the second PE film layer, and two sides of the second PE film layer cannot be displaced in the horizontal direction in the construction process, so that the second PE film layer is not easy to damage in the construction process; meanwhile, the first PE film layer and the second PE film layer are separated from each other by the arrangement of the first waterproof coiled material and the fine sand layer, so that the possibility that the first PE film layer and the second PE film layer are damaged at the same position in the construction process at the same time is reduced; therefore, the terrace has better moisture resistance.
The invention is further configured to: and a geomembrane layer is arranged between the second PE film layer and the medium sand cushion layer and is tightly propped against the second PE film layer and the medium sand cushion layer.
Through the technical scheme, the geomembrane layer has the waterproof and anti-seepage effects, so that water vapor in the direction of the medium sand cushion layer is difficult to spread upwards, and the moisture-proof effect of the terrace is further enhanced; simultaneously, the setting of geomembrane separates second PE rete and middling sand bed course each other, has further reduced the damaged possibility of second PE rete in the work progress.
The invention is further configured to: and a water-based hot melt adhesive layer is arranged on the end face of the first waterproof coiled material deviating from the second PE film layer, and the second PE film layer is mutually bonded with the first waterproof coiled material through the water-based hot melt adhesive layer.
Through above-mentioned technical scheme, the fastness of connection between first waterproofing membrane and the second PE rete has been strengthened in setting up of waterborne hot melt adhesive layer, has reduced the possibility of mutual dislocation between first waterproofing membrane and the second PE rete to second PE rete can be in the work progress stable cover all the time in first waterproofing membrane's top.
The invention is further configured to: first waterproofing membrane's inner edge is crisscross to be provided with a plurality of second waterproofing membrane, and is a plurality of second waterproofing membrane's up end flushes with first waterproofing membrane's up end, and is a plurality of constitute a plurality of evenly distributed's reinforcement chamber between second waterproofing membrane and the first waterproofing membrane, fine sand layer is filled respectively in a plurality of reinforcement intracavity.
Through above-mentioned technical scheme, a plurality of second waterproofing membrane's setting has indicative function to the staff can be fast trowel a plurality of fine sand layers of consolidating the intracavity through second waterproofing membrane's instruction when laying fine sand layer, has reduced because the inside regional too big that encloses of first waterproofing membrane, leads to the staff to be difficult to the quick floating possibility of fine sand layer.
The invention is further configured to: the end face, deviating from the middle sand cushion layer, of the second PE film layer is provided with a plurality of identification lines, and the identification lines are aligned with the central lines of the second waterproof rolls in the vertical direction respectively.
Through above-mentioned technical scheme, the setting up of a plurality of identification lines makes the staff when laying a plurality of second waterproofing membrane, and the accessible corresponds the mode of laying a plurality of identification lines top respectively with a plurality of second waterproofing membrane quick and accurate lays preset position with second waterproofing membrane to efficiency and the degree of accuracy when having promoted the staff and laying second waterproofing membrane.
The invention is further configured to: the corrugated pipe layer and the second waterproof rolls are aligned with each other in the vertical direction, and the first PE film layer is abutted between the corrugated pipe layer and the second waterproof rolls.
Through above-mentioned technical scheme, second waterproofing membrane self has certain elasticity, can warp when receiving the pressure that comes from the bellows layer sunken, has reached and has cushioned and the effect of dispersion to the pressure on bellows layer to the damaged possibility under the extrusion on bellows layer of first PE rete has further been reduced.
The invention is further configured to: the periphery of the corrugated pipe layer is coated with a plurality of rubber rings along the length direction, and the rubber rings are tightly propped between the corrugated pipe layer and the first PE film layer.
Through above-mentioned technical scheme, the setting of a plurality of rubber circles has the effect with corrugated pipe layer and first PE rete mutual isolation, and rubber circle self has certain elasticity simultaneously, can carry out the dispersion of buffering to the pressure of corrugated pipe to the damaged possibility of first PE rete under the extrusion on corrugated pipe layer has further been reduced.
The invention is further configured to: the intersections of the corrugated pipe layers are fixedly connected with each other through binding wires.
Through above-mentioned technical scheme, the setting of prick silk has the effect of fixing the cross section on corrugated pipe layer, has strengthened corrugated pipe layer overall structure's stability, has reduced the corrugated pipe layer and has rocked the possibility of dislocation under the effect of external force to the damaged possibility of first PE rete under the extrusion on corrugated pipe layer has further been reduced.
The invention is further configured to: the reinforcing steel layer is correspondingly erected on the plurality of rubber rings, and the plurality of rubber rings are tightly propped against the space between the reinforcing steel layer and the corrugated pipe layer.
Through above-mentioned technical scheme, the rubber ring layer still has the effect of buffering steel bar layer pressure for the pressure that comes from the steel bar layer can evenly distributed on the bellows layer, has reduced the possibility that bellows layer received the pressure deformation.
The invention also aims to provide a construction method of the prestressed seamless terrace, which has the advantages that: the construction of the prestressed seamless terrace can be completed quickly.
The technical purpose of the invention is realized by the following technical scheme: a construction method of a prestressed seamless terrace comprises the following steps: the method comprises the following steps: laying a base layer at the bottom of the terrace; step two: paving a gravel layer, a medium sand cushion layer and a second PE film layer above the base layer in sequence; step three: laying a first waterproof coiled material along the periphery of the second PE film layer; step four: popping a plurality of uniformly staggered identification lines on the second PE film layer by using an ink fountain; step five: correspondingly laying a second waterproof coiled material above the identification lines, and dividing the interior of the first waterproof coiled material into a plurality of reinforcing cavities; step six: filling fine sand into the plurality of reinforcing cavities respectively, and trowelling the fine sand to be flush with the first waterproof coiled material to form a fine sand layer; step seven: laying a first PE film layer above the first waterproof coiled material, the second waterproof coiled material and the fine sand layer; step eight: installing an edge template on the terrace boundary; step nine: uniformly laying a corrugated pipe layer on the first PE film layer; step ten: laying a prestressed cable in the corrugated pipe layer, and fixing two ends of the prestressed cable on anchorage devices on the outer sides of the side formworks respectively; step eleven: paving a reinforcing steel bar layer on the corrugated pipe layer; step twelve: and pouring concrete on the first PE film layer, vibrating and strickling the concrete by using a laser leveling machine to form a concrete pouring surface layer.
According to the technical scheme, after the second PE film layer is laid on the medium sand cushion layer, the first waterproof coiled material is laid along the periphery of the second PE film layer, so that the second PE film layer is fixed, the second PE film layer is not prone to flanging or moving under the action of external force, a worker can use an ink fountain to quickly pop up a plurality of uniformly staggered indication lines on the second PE film layer, and then the worker can quickly lay the second waterproof coiled material according to the indication of the indication lines and separate a plurality of reinforcing cavities; the setting of first waterproofing membrane and pilot line has promoted staff's efficiency of construction to the construction cycle of seamless terrace of prestressing force has been shortened.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the arrangement of the first waterproof coiled material, the fine sand layer and the fine sand layer reduces the possibility of damage of the first PE film layer and the second PE film layer in the construction process, so that the moisture resistance of the terrace is improved;
2. the arrangement of the geomembrane layer further enhances the moisture-proof effect of the terrace; meanwhile, the second PE film layer and the medium sand cushion layer are separated by the geomembrane layer, so that the possibility of damage of the second PE film layer in the construction process is further reduced;
3. the setting of first waterproofing membrane and pilot line has promoted staff's efficiency of construction to the construction cycle of seamless terrace of prestressing force has been shortened.
Drawings
FIG. 1 is a schematic sectional view showing the whole structure of example 1.
Reference numerals: 1. pouring a surface layer by concrete; 2. a reinforcing steel bar layer; 3. a corrugated pipe layer; 4. a first PE film layer; 5. a second PE film layer; 6. a medium sand cushion layer; 7. a crushed stone layer; 8. a base layer; 9. a first waterproof roll; 10. a fine sand layer; 11. a geomembrane layer; 12. a water-based hot melt adhesive layer; 13. a second waterproof roll; 14. reinforcing the cavity; 15. marking a line; 16. a rubber ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a prestressed seamless terrace, as shown in figure 1, comprises a concrete pouring surface layer 1, a reinforcing steel layer 2, a corrugated pipe layer 3, a first PE film layer 4, a second PE film layer 5, a medium sand cushion layer 6, a gravel layer 7 and a base layer 8 which are sequentially arranged along the vertical direction, a geotechnical film layer 11 is laid between the second PE film layer 5 and the medium sand cushion layer 6, an annular first waterproof coiled material 9 is laid along the periphery on the end surface of the second PE film layer 5 departing from the geotechnical film layer 11, a plurality of identification lines 15 are uniformly and elastically arranged on the end surface of the second PE film layer 5 departing from the geotechnical film layer 11 in a transverse and longitudinal staggered mode, a plurality of second waterproof coiled materials 13 are correspondingly laid above the identification lines 15 respectively, the thickness of the second waterproof coiled materials 13 is the same as that of the first waterproof coiled materials 9, the central axis is aligned with the identification lines 15 along the vertical direction, the inner edge area of the first waterproof coiled materials 9 is divided into a plurality of reinforcing cavities 14 with uniform size by a plurality of second waterproof coiled materials 13, the marking lines 15 have the function of indicating and positioning, so that a worker can quickly divide the reinforcing cavities 14 which are uniformly distributed according to the indication of the marking lines 15.
As shown in fig. 1, fine sand layers 10 with upper end surfaces flush with the upper end surface of the second waterproof roll 13 are respectively filled in the plurality of reinforcing cavities 14, and the arrangement of the fine sand layers 10 improves the structural strength of the reinforcing cavities 14; second PE rete 5 is supported tightly between geomembrane 11 and first waterproofing membrane 9, second waterproofing membrane 13 and fine sand bed 10, and first waterproofing membrane 9, second waterproofing membrane 13 and fine sand bed 10 all are difficult to for second PE rete 5 horizontal displacement in the work progress to make second PE rete 5 be difficult for damaging in the work progress.
As shown in fig. 1, the spraying has waterborne hot melt adhesive layer 12 on the up end of first waterproofing membrane 9 and second waterproofing membrane 13 respectively, first PE rete 4 bonds on first waterproofing membrane 9 and second waterproofing membrane 13 through waterborne hot melt adhesive layer 12, the setting of waterborne hot melt adhesive layer 12 has the effect of fixing a position second PE rete 5, make second PE rete 5 be difficult for moving the dislocation for first waterproofing membrane 9 under the effect of external force, thereby it misplaces or sticks up the limit under the effect of external force to have reduced second PE rete 5 in the work progress, lead to partial terrace to be difficult to be covered by second PE rete 5, and then influence the possibility of the dampproofing effect of second PE rete 5.
As shown in fig. 1, each corrugated pipe of the corrugated pipe layer 3 is respectively coated with a plurality of rubber rings 16 along the periphery in a bonding manner, the rubber rings 16 are respectively and uniformly arranged along the length direction of the corrugated pipe, the corrugated pipes of the corrugated pipe layer 3 are respectively aligned with the second waterproof coiled materials 13 along the vertical direction, and the first PE film layer 4 is abutted between the second waterproof coiled materials 13 and the rubber rings 16. Therefore, the first waterproof roll 9, the second waterproof roll 13 and the fine sand layer 10 can stably support the first PE film layer 4; meanwhile, the second waterproof coiled material 13 and the rubber ring 16 are respectively tightly attached to two sides of the first PE film layer 4, and the second waterproof coiled material 13 and the rubber ring 16 are made of flexible materials and have the function of protecting the first PE film layer 4, so that the first PE film layer 4 is not easy to damage in the construction process; first PE rete 4 and second PE rete 5 are all difficult for damaging in the work progress to the humidity resistance of terrace has been improved.
As shown in fig. 1, the intersections of the corrugated tube layers 3 are fixedly connected with each other through binding wires, and under the restriction of a plurality of binding wires, a plurality of corrugated tubes of the corrugated tube layers 3 can be mutually restricted and are not easy to shake under the action of external force, so that the first PE film layer 4 is not easy to be damaged due to the fact that the corrugated tube layers 3 drive the rubber rings 16 to abut against the first PE film layer 4 to shake in a staggered manner, and the possibility of damage of the first PE film layer 4 in the construction process is further reduced; reinforcing bar layer 2 corresponds erects on a plurality of rubber circle 16 on corrugated pipe layer 3, a plurality of rubber circle 16 have certain elasticity, can shrink when receiving reinforcing bar layer 2 and concrete placement surface course 1's pressure and warp, so that the pressure that comes from concrete placement surface course 1 and reinforcing bar layer 2 can evenly distributed on corrugated pipe layer 3, thereby it directly supports tightly on corrugated pipe layer 3 to have reduced reinforcing bar layer 2, corrugated pipe layer 3 pressurized distortion warp behind the casting of concrete placement surface course 1, influence the possibility of floor quality.
The implementation principle of the embodiment is as follows: in the terrace construction process, the first PE film layer 4 is mutually isolated from the corrugated pipe layer 3 through a plurality of rubber rings 16, the second PE film layer 5 positioned below the first PE film layer 4 is mutually separated from the first PE film layer 4 through a first waterproof coiled material 9, a second waterproof coiled material 13 and a fine sand layer 10, and the second PE film layer 5 is separated from the medium sand cushion layer 6 through a geotextile film layer 11; the rubber ring 16, the first waterproof coiled material 9, the second waterproof coiled material 13 and the soil cloth film layer 11 are all made of flexible materials, and have the function of protecting the first PE film layer 4 and the second PE film layer 5, so that the first PE film layer 4 and the second PE film layer 5 are not easy to damage under the action of external forces such as position adjustment and extrusion of the corrugated pipe layer 3 in the construction process; and the mutual isolation's between first PE rete 4 and the second PE rete 5 setting has still reduced the simultaneously damaged possibility of first PE rete 4 and second PE rete 5 in same position to make this terrace have better humidity resistance.
Example 2: a construction method of the prestressed seamless terrace according to example 1,
comprises the following steps: the method comprises the following steps: laying a base layer 8 at the bottom of the terrace;
step two: a gravel layer 7, a medium sand cushion layer 6, a geomembrane layer 11 and a second PE film layer 5 are sequentially laid above the base layer 8;
step three: laying a first waterproof coiled material 9 along the periphery of the second PE film layer 5;
step four: popping a plurality of uniformly staggered identification lines 15 on the second PE film layer 5 by using an ink fountain;
step five: correspondingly laying a second waterproof coiled material 13 above the plurality of identification lines 15, and dividing the interior of the first waterproof coiled material 9 into a plurality of reinforcing cavities 14;
step six: filling fine sand into the reinforcing cavities 14 respectively, and trowelling the fine sand to be level with the first waterproof coiled material 9 to form a fine sand layer 10;
step seven: spraying water-based hot melt adhesive on the upper surfaces of the first waterproof roll 9 and the second waterproof roll 13 by using a glue spraying gun, correspondingly adhering the first PE film layer 4 above the first waterproof roll 9 and the second waterproof roll 13, and forming a water-based hot melt adhesive layer 12 by using the water-based hot melt adhesive between the first PE film layer 4 and the first waterproof roll 9 as well as the second waterproof roll 13;
step eight: installing an edge template on the terrace boundary;
step nine: a plurality of rubber rings 16 are uniformly bonded on the corrugated pipe in the corrugated pipe layer 3 along the length direction;
step ten: correspondingly erecting the corrugated pipe layer 3 on the first PE film layer 4, and adjusting the position of the corrugated pipe layer 3 to enable the corrugated pipe layer to be aligned with the plurality of second waterproof coiled materials 13 along the vertical direction;
step eleven: binding wires at the intersection of the corrugated pipe layer 3;
step twelve: laying a prestressed cable in the corrugated pipe layer 3, and fixing two ends of the prestressed cable on anchorage devices on the outer sides of the side templates respectively;
step thirteen: laying a reinforcing steel bar layer 2 on the plurality of rubber rings 16;
fourteen steps: and (3) pouring concrete on the first PE film layer 4, vibrating and strickling the concrete by using a laser leveling machine to form a concrete pouring surface layer 1.
The implementation principle of the embodiment is as follows: in the floor construction process, the first waterproof coiled material 9 can fix the second PE film layer 5, so that a worker can use an ink fountain to quickly pop up a plurality of uniformly staggered identification lines 15 on the second PE film layer 5; the mark line 15 has the function of indicating and positioning, so that a worker can quickly use the second waterproof roll 13 to divide a plurality of reinforcing cavities 14 according to the indication of the mark line 15; the inner edge area of the first waterproof roll 9 is divided into a plurality of reinforcing cavities 14, so that workers can quickly lay the fine sand layer 10 by filling fine sand in the reinforcing cavities 14 and then trowelling the fine sand in the reinforcing cavities 14 and the first waterproof roll 9; the first PE film layer 4, the first waterproof coiled material 9 and the second waterproof coiled material 13 are mutually bonded and fixed through the water-based hot melt adhesive layer 12, so that the possibility of flanging or displacement of the first PE film layer 4 under the action of external force such as wind power in the construction process is reduced, and a worker can fix the first PE film layer 4 to a preset position at one time; the first waterproof roll 9, the identification line 15, the reinforcing cavity 14 and the water-based hot melt adhesive layer 12 are arranged, so that the construction efficiency of workers is improved, and the construction period of the prestressed seamless terrace is shortened.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a seamless terrace of prestressing force, contains concrete placement surface course (1), reinforcing bar layer (2), corrugated pipe layer (3), first PE rete (4), second PE rete (5), well sand bed course (6), metalling (7) and basic unit (8) that set gradually along vertical direction, its characterized in that: an annular first waterproof coiled material (9) is arranged on the end face, away from the middle sand cushion layer (6), of the second PE film layer (5) along the periphery, a fine sand layer (10) is filled in the inner edge of the first waterproof coiled material (9), the upper end face of the fine sand layer (10) is flush with the upper end face of the first waterproof coiled material (9), and the first waterproof coiled material (9) and the fine sand layer (10) are tightly abutted between the first PE film layer (4) and the second PE film layer (5); crisscross a plurality of second waterproofing membrane (13) that are provided with of inner edge of first waterproofing membrane (9), it is a plurality of the up end of second waterproofing membrane (13) flushes with the up end of first waterproofing membrane (9), and is a plurality of constitute a plurality of evenly distributed's reinforcement chamber (14) between second waterproofing membrane (13) and first waterproofing membrane (9), fine sand layer (10) are filled respectively in a plurality of reinforcement chamber (14).
2. The prestressed seamless terrace according to claim 1, characterized in that: and a geomembrane layer (11) is arranged between the second PE film layer (5) and the medium sand cushion layer (6), and the geomembrane layer (11) is tightly propped against between the second PE film layer (5) and the medium sand cushion layer (6).
3. The prestressed seamless terrace according to claim 1, characterized in that: be equipped with waterborne hot melt adhesive layer (12) on first waterproofing membrane (9) the terminal surface that deviates from second PE rete (5), second PE rete (5) bond each other through waterborne hot melt adhesive layer (12) and first waterproofing membrane (9).
4. The prestressed seamless terrace according to claim 1, characterized in that: the end face, deviating from the middle sand cushion layer (6), of the second PE film layer (5) is provided with a plurality of identification lines (15), and the identification lines (15) are respectively aligned with the central lines of the second waterproof rolls (13) in the vertical direction.
5. The prestressed seamless terrace according to claim 1, characterized in that: the corrugated pipe layer (3) and the second waterproof coiled materials (13) are aligned with each other in the vertical direction, and the first PE film layer (4) is abutted between the corrugated pipe layer (3) and the second waterproof coiled materials (13).
6. The prestressed seamless terrace according to claim 1, characterized in that: the periphery of the corrugated pipe layer (3) is coated with a plurality of rubber rings (16) along the length direction, and the rubber rings (16) are tightly propped between the corrugated pipe layer (3) and the first PE film layer (4).
7. The prestressed seamless terrace according to claim 1, characterized in that: the intersections of the corrugated pipe layers (3) are fixedly connected with each other through binding wires.
8. The prestressed seamless terrace according to claim 6, characterized in that: the reinforcing steel bar layer (2) is correspondingly erected on the rubber rings (16), and the rubber rings (16) are tightly propped against the reinforcing steel bar layer (2) and the corrugated pipe layer (3).
9. The construction method of the prestressed seamless terrace according to claim 4, characterized by comprising the steps of:
the method comprises the following steps: paving a base layer (8) at the bottom of the terrace;
step two: a gravel layer (7), a medium sand cushion layer (6) and a second PE film layer (5) are sequentially paved above the base layer (8);
step three: laying a first waterproof coiled material (9) along the periphery of the second PE film layer (5);
step four: popping a plurality of uniformly staggered identification lines (15) on the second PE film layer (5) by using an ink fountain;
step five: correspondingly laying second waterproof coiled materials (13) above the identification lines (15), and dividing the interior of the first waterproof coiled material (9) into a plurality of reinforcing cavities (14);
step six: filling fine sand in the reinforcing cavities (14) respectively, and trowelling the fine sand to be level with the first waterproof coiled material (9) to form a fine sand layer (10);
step seven: a first PE film layer (4) is laid above the first waterproof coiled material (9), the second waterproof coiled material (13) and the fine sand layer (10);
step eight: installing an edge template on the terrace boundary;
step nine: uniformly paving a corrugated pipe layer (3) on the first PE film layer (4);
step ten: laying a prestressed cable in the corrugated pipe layer (3), and fixing two ends of the prestressed cable on anchorage devices on the outer sides of the side templates respectively;
step eleven: paving a reinforcing steel bar layer (2) on the corrugated pipe (3);
step twelve: and concrete is poured on the first PE film layer (4), and the concrete is vibrated and strickled by a laser leveling machine to form a concrete pouring surface layer (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010605072.4A CN111691640B (en) | 2020-06-29 | 2020-06-29 | Prestressed seamless terrace and construction method thereof |
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| CN202010605072.4A CN111691640B (en) | 2020-06-29 | 2020-06-29 | Prestressed seamless terrace and construction method thereof |
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| CN111691640A CN111691640A (en) | 2020-09-22 |
| CN111691640B true CN111691640B (en) | 2021-08-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561381A (en) * | 2011-12-29 | 2012-07-11 | 中国一冶集团有限公司 | Method for preventing settling and cracking of large-area terrace by using bonded prestressed concrete beams in soft soil layer region |
| CN205577353U (en) * | 2016-04-26 | 2016-09-14 | 上海丰邦建材科技有限公司 | Metal aggregate wear -resisting floor |
| CN206337787U (en) * | 2016-12-28 | 2017-07-18 | 西京学院 | A kind of indoor moisture proof cracking resistance earth construction |
| CN110005169A (en) * | 2019-04-12 | 2019-07-12 | 中国启源工程设计研究院有限公司 | A kind of cracking resistance process with stressed seamless terrace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6898917B2 (en) * | 2002-08-15 | 2005-05-31 | W. R. Grace & Co.-Conn. | Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed |
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2020
- 2020-06-29 CN CN202010605072.4A patent/CN111691640B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561381A (en) * | 2011-12-29 | 2012-07-11 | 中国一冶集团有限公司 | Method for preventing settling and cracking of large-area terrace by using bonded prestressed concrete beams in soft soil layer region |
| CN205577353U (en) * | 2016-04-26 | 2016-09-14 | 上海丰邦建材科技有限公司 | Metal aggregate wear -resisting floor |
| CN206337787U (en) * | 2016-12-28 | 2017-07-18 | 西京学院 | A kind of indoor moisture proof cracking resistance earth construction |
| CN110005169A (en) * | 2019-04-12 | 2019-07-12 | 中国启源工程设计研究院有限公司 | A kind of cracking resistance process with stressed seamless terrace |
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