CN112609976A - Construction process of intelligent exhaust circulation system - Google Patents
Construction process of intelligent exhaust circulation system Download PDFInfo
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- CN112609976A CN112609976A CN202011266795.2A CN202011266795A CN112609976A CN 112609976 A CN112609976 A CN 112609976A CN 202011266795 A CN202011266795 A CN 202011266795A CN 112609976 A CN112609976 A CN 112609976A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The invention discloses a construction process of an intelligent drainage circulation system, which comprises base layer treatment; coating a base layer treating agent; brushing non-cured rubber asphalt waterproof paint; paving and sticking a self-adhesive waterproof coiled material; laying a siphon drainage tank; installing a ventilating observation tube and a dustproof cover; laying geotextile; installing a siphon drain pipe; installing an observation well; installing a rainwater recovery well; and (6) covering soil and backfilling. According to the invention, the intelligent drainage-prevention circulating system is arranged after the waterproof layer is formed by coating the waterproof coating on the base layer, so that the building drainage prevention is realized, the construction period is low, and the maintenance is easy.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a construction process of an intelligent exhaust circulation system.
Background
The China building waterproofing Association has published reports that the permeability of roofs of domestic main urban buildings is as high as 95.33%, 57.51% of underground buildings have leakage in different degrees, and nearly four-member households suffer from house leakage. The infiltration becomes a common disease of buildings in China, and the coverage is extremely wide.
The building water-proof is a system project, the construction of three-component materials is divided into seven parts, and in addition, the upstream and downstream communication cooperation such as design, maintenance and the like is needed. The quality is good and irregular, the design has defects, auxiliary material machines are absent, standard procedures are absent, organization discipline is absent, the quality of workers is low, the responsibility is low, engineering management is weak, the construction process is not properly supervised, careless mistakes are found in acceptance check, guidance cannot be provided, service matching is incomplete, and a quality assurance system is absent.
The traditional drainage-preventing process is characterized in that a slope finding layer, a leveling layer, a waterproof layer, a root penetration-resistant waterproof layer, an isolation layer, a protective layer, a drainage layer and a filter layer are arranged between a structural top plate and a planting soil layer, and the traditional drainage-preventing process is long in construction period, high in manufacturing cost and high in maintenance cost.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a construction process of an intelligent drainage circulation system, which is low in construction period and easy to maintain, aiming at the defects of the prior art.
The technical scheme is as follows: the construction process of the intelligent drainage circulation system comprises the following steps: base layer treatment: cleaning dust and loose substances on the surface of a base layer, and cleaning the surface of the base layer by using clear water, wherein the surface of the base layer is firm, flat, dry and clean and has no dust and oil stains; coating a base layer treating agent: uniformly coating a base layer treating agent on a qualified base layer, fully stirring the base layer treating agent before coating, and coating the base layer treating agent with uniform thickness, no bottom leakage and no accumulation, wherein the principle of firstly high, secondly low, firstly vertical surface and secondly plane is followed; brushing non-cured rubber asphalt waterproof paint: heating the non-cured rubber asphalt waterproof coating in a heating tank to form a liquid state, and uniformly coating the liquid state on a base layer with the thickness of 1.5-2 mm; paving and pasting self-adhesive waterproof rolls: paving and sticking the self-adhesive waterproof coiled material on a base layer coated with the non-cured rubber asphalt waterproof coating, and discharging air in the self-adhesive film waterproof coiled material to firmly adhere the self-adhesive film waterproof coiled material and the non-cured rubber asphalt waterproof coating together to form a waterproof layer; laying a siphon drainage tank: according to the drainage direction, a drainage-preventing sheet is laid on the waterproof layer, a siphon drainage groove is laid at the joint of the drainage-preventing sheet, and a flat plate space formed by the drainage-preventing sheet and the siphon drainage groove keeps smooth drainage; installing a breathable observation tube and a dustproof cover: a hole is formed in the siphon drainage tank, a breathable observation tube is installed, and a dustproof cover is installed on the breathable observation tube; laying geotextile: laying geotextile on the siphon drainage tank; installing a siphon drain pipe: a siphon water drainage pipe is arranged at the water outlet of the siphon water drainage tank; installing an observation well: an observation well is arranged on the siphon drain pipe, and the bottom of the observation well is communicated with the siphon drain pipe; installing a rainwater recovery well: installing a rainwater collecting well, wherein a filtering and precipitating module is arranged in the rainwater collecting well, a water outlet of a siphon drain pipe is communicated with a water inlet of the rainwater collecting well, a water outlet of the rainwater collecting well is communicated with a drain pipe, and the rainwater collecting well is communicated with a municipal drainage pipe network through an overflow pipe; and (3) earthing and backfilling: the drainage preventing sheet, the siphon drainage groove, the geotextile and the rainwater recovery well form an integral protection drainage system, the surface of the protection drainage system is filled with earth, and the backfilling mode adopts the mode of backfilling from the periphery inwards.
Further perfecting the technical scheme, the step of brushing the non-cured rubber asphalt waterproof coating specifically comprises the following steps: uniformly coating the non-cured rubber asphalt waterproof coating in the heating tank on a base layer by a blade coating or spraying method, wherein the thickness is 1.5-2mm, the blade coating temperature is more than or equal to 120 ℃, and the spraying temperature is more than or equal to 150 ℃.
Further, the lapping operation when the self-adhesive waterproof roll is laid is as follows: the transparent isolating film at the lap joint part of the self-adhesive waterproof roll material positioned at the lower layer is uncovered, the self-adhesive waterproof roll material positioned at the upper layer is tiled and adhered on the self-adhesive waterproof roll material positioned at the lower layer, the lap joint width of the self-adhesive waterproof roll material is not less than 100mm, the self-adhesive waterproof roll material is closed up and fixed by a metal pressing strip and a steel nail, and then the self-adhesive waterproof roll material is sealed by sealing paste.
Furthermore, the polymer anti-row sheets are connected in a flat seam bonding mode, and the connection width is 120 mm.
Further, the earthing backfill step is as follows: the first layer is backfilled with 50cm of soil, a dump truck for machinery is matched with a bulldozer, the dump truck conveys the soil to the edge, and the bulldozer pushes the soil to a specified position and rolls the soil tightly; the second layer of soil for backfilling is filled, a mechanical dump truck is matched with a bulldozer, the dump truck transports the soil to the edge, and the bulldozer transports the soil to a specified position to be rolled and compacted; and (4) manually backfilling and naturally backfilling the position where the siphon ventilating observation pipe is fixed on the siphon drainage tank.
Further, the rainwater recovery well is connected with a spraying device through a pump.
Has the advantages that: compared with the prior art, the invention has the advantages that: according to the invention, the intelligent drainage-prevention circulating system is arranged after the waterproof layer is formed by coating the waterproof paint on the base layer, so that the building drainage prevention is realized, 6 layers are saved compared with the traditional process, the construction period is short, the construction period time is saved by 60%, the manufacturing cost is saved by 50%, the waterproof performance is zero, the environment-friendly cold construction is realized, the rainwater can be recycled, and the environment-friendly energy-saving effect is realized. The invention is widely used for greening roofs and roads, planting roofs on garage roofs, and the like, and has the advantages of environmental protection, solving the problem of difficulty in finding slopes on large-area roofs, being convenient to construct, saving water resources, preventing water and zero permeation, being low in construction cost, being convenient to maintain, and the like.
Drawings
FIG. 1 is a construction process diagram of the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
As shown in fig. 1, the construction process of the intelligent defense drainage circulation system provided by the invention comprises base layer treatment → base layer treating agent application → non-curing rubber asphalt waterproof coating application → node treatment → self-adhesive waterproof coiled material application → siphon drainage channel application → ventilation observation pipe and dust cap installation → geotextile application → siphon drainage pipe installation → observation well installation → rainwater recovery well installation → soil covering backfill.
1.1 base layer treatment
Cleaning dust and loose substances on the surface of a base layer, wetting the surface of the base layer by using clear water, wherein the surface of the base layer is firm, flat, dry and clean and has no dust and oil stains, and corners are made into oblique angles of 50mm multiplied by 50mm or round corners with the radius of 50 mm.
1.2 base coat treating agent
1.2.1 Material Properties
The base layer treating agent is a high-permeability water-soluble product and is specially developed for the sand generation of the existing concrete terrace due to poor construction, no wear loss and low strength. When in use, the coating is directly sprayed on a concrete surface layer and permeates into the concrete to activate the hydration reaction of cement, thereby improving the water tightness and strength of the concrete and improving the compression resistance and wear resistance of the concrete. Convenient to use does not influence simultaneously and uses original terrace.
1.2.2 Effect of basic treating Agents
1) Improving various physical strengths of the substrate, wherein the strength is continuously enhanced along with the time;
2) the chemical resistance and the weathering resistance are improved, the water tightness is increased, and the surface strength of the mortar is enhanced;
3) the main components are organic and inorganic silicon compounds and a small amount of crystallization catalyst.
1.2.3 construction technology
1) Cleaning dust and loose substances on the ground, and wetting the ground with clear water;
2) when the ground is semi-dry, the base layer treating agent is uniformly coated on the qualified base layer, the base layer treating agent is fully stirred before coating, the thickness is uniform during coating, bottom leakage and accumulation are avoided, the principle that the height is first, the height is later, and the vertical surface is later than the plane is followed, the base layer treating agent permeates into the concrete, the cement hydration reaction is activated, and then the water tightness and the strength of the concrete are improved, and the compression resistance and the abrasion resistance of the concrete are improved. Convenient to use does not influence simultaneously and uses original terrace.
1.3 spray coating of Hot-melt non-curing rubber asphalt waterproof coating
1.3.1 Properties of the Material
The hot-melt non-solidified rubber asphalt waterproof paint is a waterproof paint which is prepared by using rubber, asphalt and softening oil as main components, adding a temperature control agent and a filler and mixing and can keep a viscous paste body within the service life. The coating can seal base cracks and capillary holes and can adapt to complex construction operation surfaces; the adhesive is not solidified for a long time after contacting with air, always keeps the characteristic of sticky colloid, has strong self-healing capability, is sticky when being touched and difficult to peel, still has good adhesive property at the temperature of minus 20 ℃, and can replace cold adhesive to be used as a waterproof material for cold bonding construction. The waterproof layer can solve the problems of fracture, flexural fatigue or advanced aging in a high stress state and the like of the waterproof layer caused by the fact that the cracking stress of the base layer is transmitted to the waterproof layer; meanwhile, the viscosity of the hot-melt non-cured rubber asphalt waterproof coating enables the hot-melt non-cured rubber asphalt waterproof coating to well seal capillary holes and cracks of a base layer, the problem of water channeling of a waterproof layer is solved, and the waterproof reliability is greatly improved; can also solve the problem of compatibility when the existing waterproof coiled material and waterproof paint are used in a compounding way.
1.3.2 Material Properties
1) Excellent creep performance;
2) excellent adhesive property;
3) excellent self-healing properties;
4) excellent workability of wet base;
5) excellent chemical corrosion resistance and aging resistance;
6) excellent environmental protection performance.
1.3.3 construction Process
The construction process comprises the following steps: before construction, the non-cured rubber asphalt waterproof coating is put in a heating tank to be heated into a liquid state, construction can be carried out when the specified heat use temperature is reached, the heating temperature of manual blade coating is more than or equal to 120 ℃, and the spraying temperature is more than or equal to 150 ℃; uniformly coating non-cured rubber asphalt waterproof paint in a heating tank on a base layer by using blade coating or spraying and other methods, wherein the thickness is 1.5-2mm, rolling and paving a TPE (thermoplastic elastomer) self-adhesive film waterproof coiled material within 3min after the non-cured rubber asphalt waterproof paint is coated by blade coating, then slightly scraping the surface of the coiled material, and discharging internal air to firmly bond the coiled material and the non-cured rubber asphalt waterproof paint together for node reinforcement treatment: reinforcing layers are firstly made at the joint parts (such as internal and external corners and construction joints).
1.4 strong cross-membrane self-adhesive waterproof roll
1.4.1 Material Properties
The strong cross membrane self-adhesive waterproof coiled material is a third-generation matrix-free coiled material synthesized by using a strong cross membrane and self-adhesive modified material composite technology, combines the advantages of strong bonding force and convenience in use of common self-adhesive coiled materials, and enhances vertical and horizontal tensile strength compared with common matrix-free self-adhesive coiled materials, and has a polyester matrix function.
The strong cross-membrane self-adhesive waterproof coiled material is a high-performance cold-construction self-adhesive composite membrane waterproof coiled material which is formed by compounding a special cross-laminated high-density polyethylene (HDPE) strong film and high-quality high-polymer self-adhesive rubber asphalt through a special process, and has excellent size stability, thermal stability, ultraviolet resistance and bidirectional tear resistance.
1.4.2 Material Properties
The main characteristics are as follows:
1) the strong double-layer superposed film has higher tearing strength and dimensional stability, and the waterproof performance is better than that of the common film;
2) the longitudinal and transverse net structure design effectively solves the problem that the HDPE high polymer sheet without the base is easy to wrinkle and bulge after construction;
3) the mask has the performance of ultraviolet irradiation resistance after technical treatment, and even if the mask is exposed for a long time after construction, the appearance quality of the product cannot be influenced, and the time can reach about 6 months;
4) the high and low temperature resistance is excellent, and the weather resistance can adapt to the climate change in hot and cold regions. The excellent extensibility and tensile property are suitable for the deformation of the structural base layer;
5) the excellent self-healing performance and the local self-water-locking performance of the high-quality pressure-sensitive reaction self-adhesive layer greatly reduce the leakage probability;
6) the nail has unique puncture resistance, self-healing property and continuous tear resistance, and the water tightness of the nail rod is excellent;
7) the method is innovative and selected, and can adopt dry paving, wet paving, empty paving and pre-paving reverse adhesion method for construction, thereby reducing the labor intensity and being more suitable for the requirements of the base layer;
8) the width is 1m-2m, so that overlapping is reduced, construction is faster, and the method is particularly suitable for large-area construction;
9) the construction of the APF-3000 self-adhesive coiled material is cold construction, is environment-friendly, and eliminates potential safety hazards of a construction site.
The application range is as follows: the engineering water-proof structure is used for basement, subway, tunnel, pool, roof, underground garage roof planting greening, roof garden and the like.
1.4.3 construction technology
The big side is paved and pasted with a macromolecule double-sided self-adhesive waterproof roll with the thickness of 1.5 mm: removing the isolation film on the lower surface of the self-adhesive waterproof coiled material, paving the self-adhesive waterproof coiled material on a base layer coated with the waterproof coating (coating the waterproof coating and paving the self-adhesive waterproof coiled material), reserving a stubble throwing length of 0.5m above the top of the underground chamber, and taking protective measures to cover;
exhausting: patting the surface of the self-adhesive waterproof coiled material by using a wooden trowel or a rubber plate, and discharging air below the self-adhesive waterproof coiled material to enable the self-adhesive waterproof coiled material to be tightly attached to the non-cured rubber asphalt waterproof coating;
and (3) long and short edge lap bonding: according to the field condition, the lapping is carried out when the self-adhesive waterproof coiled material is selected to be paved. When in lapping, the transparent isolating film at the lapping part of the self-adhesive waterproof coiled material at the lower layer is uncovered, the self-adhesive waterproof coiled material at the upper layer is tiled and pasted on the coiled material at the lower layer, and the lapping width of the coiled material is not less than 100 mm;
sealing and closing the waterproof coiled material: the coiled material is fixed by a metal pressing strip and a steel nail and then sealed by sealing paste, and the coiled material is required to be 500mm higher than the outdoor terrace.
And (3) node strengthening treatment: and the node is reinforced after the construction of the large coiled material is finished.
1.5 Intelligent-prevention and exhaust circulation system
1.5.1 working conditions:
1) the base layer meets the design and standard requirements, before the construction of the intelligent prevention and drainage circulation system project, the quality of the former project is checked and accepted, and after the construction is qualified, the construction can be carried out;
2) pre-embedding various pre-embedded pipe fittings according to design and standard requirements, and sealing;
3) the surface of the base layer is cleaned and basically flat without obvious protruding parts;
4) when in construction, the base surface has no clear water, and if a water accumulation part exists, the construction can be carried out after the water accumulation part is swept.
1.5.2 construction technology
Laying a siphon drainage tank: adhering and fixing the uniformly coated and laid waterproof layer;
installing a polymer anti-rejection sheet: the macromolecule discharge-preventing sheet is laid along the edge of the top plate along the same slope, the connection width is 120mm by adopting a connection mode of hot-melt flat joint bonding, and the longitudinal lap joint is 10CM, and the transverse lap joint is 8 CM;
self-adhesion is stuck and fixed by adopting hot-melt non-curing rubber asphalt waterproof paint to form integral sealing waterproof protection; the polyester geotextile filter layer is self-adhered to the upper surface of the waterproof roll, the polyester geotextile is adhered to the edge of the polyester geotextile, and the adhering width is 150mm, so that the main purpose is to prevent muddy water from flowing below the drainage plate and keep smooth drainage;
installing a siphon breathable observation pipe: and installing the breathable observation tube at the designed position of the breathable observation tube according to the design of a drawing. (opening a hole in a siphon drainage tank, installing a breathable observation tube and installing a breathable dustproof cover);
geotextile is laid on the siphon drainage groove, and the lap joints among the geotextile are bonded by special glue (the width of the geotextile laid on the siphon drainage groove is 600 mm);
laying a plastic siphon drainage channel according to a drawing design, installing a breathable observation pipe at a designed position, and laying a polyester geotextile filter layer and a high-molecular drainage-preventing sheet;
after the macromolecule anti-drainage sheet, the plastic siphon drainage groove and the filter layer are completely laid, the water outlet position of the top plate is designed according to the drawing to be connected with a siphon drainage pipe;
a rainwater filtering observation well is installed according to the design of a drawing and is connected with a siphon drain pipe at the water outlet position of the top plate;
the rainwater recycling and collecting system is designed and installed according to drawings, a drainage pipe at the position of a water outlet of the rainwater filtering and precipitating well is connected, and an overflow pipe is communicated and connected with a municipal drainage pipe network; according to different regions, collecting ponds with different capacities are arranged, and a set of rainwater collecting, recycling and reusing system is formed by arranging a collecting pipe, an exhaust pipe, a reserve water tank, a pump and a spraying device.
The backfilling needs to be timely, the damage of other workers to the polymer anti-drainage sheet and the polyester geotextile is avoided, the construction machine which is paved and filled along with the backfilling cannot directly contact the polymer anti-drainage sheet, and the polymer anti-drainage sheet is arranged on equipment after the soil is covered.
1.5.3 construction requirements:
1) the basic requirements are as follows: the polymer anti-drainage sheet is laid on the waterproof layer which is constructed and qualified in acceptance;
2) according to the technical procedures of JGJ 155-: the large area of the garage top plate needs to be additionally provided with a plastic siphon drainage groove after the macromolecule anti-drainage sheet is laid to form partitioned and organized system drainage. The plastic siphon drainage grooves are directly laid at the joint of the polymer anti-drainage sheets and are bonded, sealed and fixed by special bonding adhesive bars, and are laid on the top plate of the garage according to the drainage direction, and each plastic siphon drainage groove is laid at designed intervals. The plastic siphon drainage channel has large cross-sectional area and high compressive strength, and is more useful for drainage. The backfill soil around the blind ditch is easy to settle, so that rainwater cannot be discharged when the blind ditch is laid, and the blind ditch can be saved and does not need to be laid;
3) the lap joint mode of the polyester geotextile filter layer is as follows: a concrete protective layer is not required to be arranged on the top plate, and the polymer anti-discharge sheet can be used as a flexible protective layer to play a role in flexible protection;
4) the polymer anti-drainage sheet is uniformly laid in the same direction with the drainage direction, and the flat space formed by the polymer anti-drainage sheet and the plastic siphon drainage groove is kept integrally provided with a boss for smooth drainage;
5) when a polymer anti-discharge sheet is laid on the side wall of a building higher than the top plate of the underground garage, such as a ventilation shaft, the side wall needs to be turned upwards (150mm), and the polyester geotextile is turned upwards and inserted into a gap between the polymer anti-discharge sheet and the wall for 100 mm;
6) the edge of the top plate of the garage is provided with a rainwater collecting well which collects the seeped water uniformly into a plastic water collecting cage and is connected with a municipal drainage pipe to discharge the seeped water;
7) during construction, engineering vehicles are prevented from directly driving on the polymer anti-drainage sheets, full-load working vehicles cannot directly run on the paved materials, and paving wood plates can be used to form channels if necessary so as to prevent the polymer anti-drainage sheets from being damaged;
8) the backfilling needs to be timely, the polymer anti-drainage sheets and the polyester geotextile are prevented from being damaged by other workers, the construction machinery which is paved and filled along with the backfilling cannot directly contact the polymer anti-drainage sheets, and the polymer anti-drainage sheets are arranged on equipment after earthing.
In order to prevent the earth moving vehicle from damaging the drainage system, the backfilling needs to be performed from the periphery to the inside, and the working procedure is as follows:
(1) the first layer is backfilled with 50cm of soil, a dump truck for machinery is matched with a bulldozer, the dump truck transports the soil to the edge of the garage, and the bulldozer sends the soil to the top of the garage and rolls the soil tightly;
(2) the second layer of soil for backfilling is filled, a mechanical dump truck is matched with a bulldozer, the dump truck transports the soil to the edge of the garage, and the bulldozer sends the soil to the top of the garage and rolls the soil tightly;
(3) the position of the siphon air-permeable observation pipe fixed on the siphon drainage tank can be backfilled manually, and attention is paid to protection. Finally, backfilling the artificially prepared planting soil according to the needs, and naturally backfilling.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The construction process of the intelligent drainage circulation system is characterized by comprising the following steps:
base layer treatment: cleaning dust and loose substances on the surface of a base layer, and cleaning the surface of the base layer by using clear water, wherein the surface of the base layer is firm, flat, dry and clean and has no dust and oil stains;
coating a base layer treating agent: uniformly coating a base layer treating agent on a qualified base layer, fully stirring the base layer treating agent before coating, and coating the base layer treating agent with uniform thickness, no bottom leakage and no accumulation, wherein the principle of firstly high, secondly low, firstly vertical surface and secondly plane is followed;
brushing non-cured rubber asphalt waterproof paint: heating the non-cured rubber asphalt waterproof coating in a heating tank to form a liquid state, and uniformly coating the liquid state on a base layer with the thickness of 1.5-2 mm;
paving and pasting self-adhesive waterproof rolls: paving and sticking the self-adhesive waterproof coiled material on a base layer coated with the non-cured rubber asphalt waterproof coating, and discharging air in the self-adhesive film waterproof coiled material to firmly adhere the self-adhesive film waterproof coiled material and the non-cured rubber asphalt waterproof coating together to form a waterproof layer;
laying a siphon drainage tank: according to the drainage direction, a drainage-preventing sheet is laid on the waterproof layer, a siphon drainage groove is laid at the joint of the drainage-preventing sheet, and a flat plate space formed by the drainage-preventing sheet and the siphon drainage groove keeps smooth drainage;
installing a breathable observation tube and a dustproof cover: a hole is formed in the siphon drainage tank, a breathable observation tube is installed, and a dustproof cover is installed on the breathable observation tube;
laying geotextile: laying geotextile on the siphon drainage tank;
installing a siphon drain pipe: a siphon water drainage pipe is arranged at the water outlet of the siphon water drainage tank;
installing an observation well: an observation well is arranged on the siphon drain pipe, and the bottom of the observation well is communicated with the siphon drain pipe;
installing a rainwater recovery well: installing a rainwater collecting well, wherein a filtering and precipitating module is arranged in the rainwater collecting well, a water outlet of a siphon drain pipe is communicated with a water inlet of the rainwater collecting well, a water outlet of the rainwater collecting well is communicated with a drain pipe, and the rainwater collecting well is communicated with a municipal drainage pipe network through an overflow pipe;
and (3) earthing and backfilling: the drainage preventing sheet, the siphon drainage groove, the geotextile and the rainwater recovery well form an integral protection drainage system, the surface of the protection drainage system is filled with earth, and the backfilling mode adopts the mode of backfilling from the periphery inwards.
2. The construction process of the intelligent drainage circulation system according to claim 1, which is characterized in that: the step of brushing the non-cured rubber asphalt waterproof coating specifically comprises the following steps: uniformly coating the non-cured rubber asphalt waterproof coating in the heating tank on a base layer by a blade coating or spraying method, wherein the thickness is 1.5-2mm, the blade coating temperature is more than or equal to 120 ℃, and the spraying temperature is more than or equal to 150 ℃.
3. The construction process of the intelligent drainage circulation system according to claim 1, which is characterized in that: the lapping operation when the self-adhesive waterproof coiled material is paved is as follows: the transparent isolating film at the lap joint part of the self-adhesive waterproof roll material positioned at the lower layer is uncovered, the self-adhesive waterproof roll material positioned at the upper layer is tiled and adhered on the self-adhesive waterproof roll material positioned at the lower layer, the lap joint width of the self-adhesive waterproof roll material is not less than 100mm, the self-adhesive waterproof roll material is closed up and fixed by a metal pressing strip and a steel nail, and then the self-adhesive waterproof roll material is sealed by sealing paste.
4. The construction process of the intelligent drainage circulation system according to claim 1, which is characterized in that: the polymer row-preventing sheet is connected in a flat seam bonding mode, and the connecting width is 120 mm.
5. The construction process of the intelligent drainage circulation system according to claim 1, which is characterized in that: the soil covering and backfilling step comprises: the first layer is backfilled with 50cm of soil, a dump truck for machinery is matched with a bulldozer, the dump truck conveys the soil to the edge, and the bulldozer pushes the soil to a specified position and rolls the soil tightly;
the second layer of soil for backfilling is filled, a mechanical dump truck is matched with a bulldozer, the dump truck transports the soil to the edge, and the bulldozer transports the soil to a specified position to be rolled and compacted;
and (4) manually backfilling and naturally backfilling the position where the siphon ventilating observation pipe is fixed on the siphon drainage tank.
6. The construction process of the intelligent drainage circulation system according to claim 1, which is characterized in that: the rainwater recovery well is connected with a spraying device through a pump.
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Cited By (1)
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| CN113585639A (en) * | 2021-08-19 | 2021-11-02 | 中铁建设集团北京工程有限公司 | Roof siphon type drainage method construction process |
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