Waterproof concrete construction method, waterproof concrete and construction device

Abstract

The invention discloses a waterproof concrete construction method, waterproof concrete and a construction device, and relates to the technical field of constructional engineering construction.The method comprises the steps that the surface of a scene ground base layer is coated with permeable crystallization type waterproof paint in a rolling mode to construct a bottom layer of a composite waterproof layer; laying a salt-alkali-resistant self-adhesive coiled material on the upper surface of the bottom layer of the composite waterproof layer to form a middle layer of the composite waterproof layer; coating a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form a surface layer of the composite waterproof layer; and identifying a construction scene type, and adapting a corresponding expansion process to the composite waterproof layer based on the construction scene type. By optimizing the ground waterproof construction technology, the dependence on manpower and the environment is reduced, efficient waterproofing on multiple application scenes is achieved, and the durability, the anti-permeability grade and the environmental adaptability of the waterproof concrete are improved.

Description

Technical Field

[0001] The present application relates to the technical field of construction engineering, and particularly to a waterproof concrete construction method, waterproof concrete and construction device. Background Art

[0002] Existing waterproof concrete generally has defects in the material system. Conventional admixtures (such as ordinary water reducers, expansion agents) have poor compatibility with cementitious materials, which easily lead to loose microstructure after the concrete hardens. The waterproof performance decays exponentially under long-term use. And in alpine regions (-30°C environment), due to the lack of effective air-entraining and frost-resistant collaborative design, frost heave cracks are likely to occur inside the concrete. In marine engineering, the chloride ion penetration coefficient is as high as 2.5×10 -12 m / s, far exceeding the durability threshold specified in GB / T 50082-2009. In the water-wet-dry alternating zone, due to the lack of materials with salt and alkali resistance and impermeability coordination, the interlayer peeling is accelerated. These defects directly lead to a significant reduction in the service life of the structure and a significant increase in the annual maintenance cost.

[0003] In addition, traditional waterproof construction technology has systematic deficiencies. The treatment of the base layer mostly relies on manual grinding, and the detection rate of surface residual floating ash and oil stains is high, resulting in a more than 40% decrease in the adhesion of the waterproof layer. The discreteness of the manual brushing or paving process is significant, and the hollowing rate far exceeds the ≤3% standard specified in JGJ 298-2013. Moreover, the missed coating rate in special-shaped structure parts (such as pipe roots, internal and external corners) is relatively high.

[0004] Therefore, there is an urgent need to optimize the ground waterproof construction technology, improve the durability and impermeability grade of waterproof concrete, and achieve efficient waterproofing in multiple application scenarios. Summary of the Invention

[0005] The main purpose of the present application is to provide a waterproof concrete construction method, waterproof concrete and construction device, aiming to solve the technical problem of how to optimize the ground waterproof construction technology, improve the durability and impermeability grade of waterproof concrete, and achieve efficient waterproofing in multiple application scenarios.

[0006] To achieve the above purpose, the present application proposes a waterproof concrete construction method, and the method includes:

[0007] Roll-coating a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer;

[0008] Laying a salt and alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer;

[0009] Smearing a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer;

[0010] Identify the construction scene type, and adapt the corresponding expansion process to the composite waterproof layer based on the construction scene type.

[0011] In one embodiment, pretreatment is performed before the step of roller coating a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer. The pretreatment includes:

[0012] Wash the surface of the scene ground base layer with a high-pressure water gun;

[0013] Repair the cracks on the surface of the scene ground base layer with epoxy mortar;

[0014] Roughen the repaired surface of the scene ground base layer based on a preset roughness.

[0015] In one embodiment, the step of roller coating a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer includes:

[0016] Roller coat a penetrating crystalline waterproof coating on the surface of the scene ground base layer by the roller coating method;

[0017] Control the dry film thickness of the penetrating crystalline waterproof coating to reach a first preset thickness, and keep the bottom layer of the composite waterproof layer moist.

[0018] In one embodiment, the step of laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer includes:

[0019] After the bottom layer of the composite waterproof layer is completely cured, lay out a construction reference line to control the laying direction;

[0020] Lay the saline-alkali resistant self-adhesive coil by the pre-laying and reverse sticking process based on the construction reference line;

[0021] Adjust the overlapping width of the laid saline-alkali resistant self-adhesive coil to reach the preset width, and perform double-weld welding on the overlapping edge by the hot melt method.

[0022] In one embodiment, the step of applying a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer includes:

[0023] Apply the polymer cement waterproof coating on the middle layer of the composite waterproof layer by the stratified scraping method;

[0024] Apply the polymer cement waterproof coating based on a preset time interval to make the total dry film thickness of the coating reach a second preset thickness.

[0025] In one embodiment, the step of identifying the construction scene type and adapting the corresponding expansion process to the composite waterproof layer based on the construction scene type includes:

[0026] If the construction scenario type is an underground engineering scenario, activate the embedded grouting pipe system and construct waterproof concrete based on the embedded grouting pipe system;

[0027] If the construction scenario type is an ocean engineering scenario, add an epoxy resin coating on the surface of the pre-treated ground base of the scenario, and embed polyurethane sealant in the lap joints of the salt-resistant and alkali-resistant self-adhesive coils;

[0028] If the construction scenario type is a special-shaped structure scenario, call the BIM model data to drive the 3D printing equipment to print a special-shaped waterproof layer, and lay the special-shaped waterproof layer on the surface of the pre-treated ground base of the scenario based on the printing accuracy of the printed special-shaped waterproof layer; the BIM model includes the geometric information, material properties, and construction requirements of the special-shaped structure.

[0029] In one embodiment, the step of identifying the construction scenario type and adapting the corresponding expansion process to the composite waterproof layer based on the construction scenario type further includes:

[0030] Deploy an Internet of Things detection system, implant wireless humidity sensors at the key nodes of the composite waterproof layer, and transmit the data of the humidity sensors to the management platform in real time through a gateway, and trigger an alarm when the humidity threshold is exceeded.

[0031] In addition, to achieve the above object, the present application also proposes a waterproof concrete, which includes:

[0032] A gel system, 20-25% of high-grade portland cement, 5-10% of mineral admixture with a specific surface area greater than 400 m2 / kg;

[0033] An aggregate system, 55-65% of graded manufactured sand and crushed stone mixed aggregate, with a maximum particle size less than or equal to 25 mm and a mud content less than or equal to 0.5%;

[0034] A composite waterproofing agent, including 5-8% of silicone waterproofing agent, 1-2% of polycarboxylate superplasticizer, and 0.3-0.5% of polypropylene anti-cracking fiber based on the total mass of the gelling system.

[0035] In one embodiment, the waterproof concrete further includes:

[0036] A scenario adapter, adding corresponding functional components based on the construction scenario type, where:

[0037] In a marine environment, 10-15% of silica fume and 0.5-1% of calcium nitrite rust inhibitor;

[0038] In a high-cold environment, 4-6% of air-entraining agent content and 5-8% of nano-SiO2 admixture.

[0039] In addition, to achieve the above object, the present application also provides a waterproof concrete construction device, which includes:

[0040] A composite waterproof layer bottom module for roller-coating a crystalline waterproofing penetrating coating on the surface of the ground base layer of the scene to construct the bottom layer of the composite waterproof layer;

[0041] A composite waterproof layer middle module for laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer;

[0042] A composite waterproof layer top module for applying a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the top layer of the composite waterproof layer;

[0043] A scene adaptation process module for identifying the type of construction scene and adapting corresponding expansion processes to the composite waterproof layer based on the type of construction scene.

[0044] One or more technical solutions provided by the present application have at least the following technical effects:

[0045] In the present application, a crystalline waterproofing penetrating coating is roller-coated on the surface of the ground base layer of the scene to construct the bottom layer of the composite waterproof layer; a saline-alkali resistant self-adhesive coil is laid on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer; a polymer cement waterproof coating is applied on the upper surface of the middle layer of the composite waterproof layer to form the top layer of the composite waterproof layer; the type of construction scene is identified, and corresponding expansion processes are adapted to the composite waterproof layer based on the type of construction scene. By optimizing the ground waterproof construction process, the present application reduces the dependence on labor and the environment, realizes efficient waterproofing for multiple application scenarios, and improves the durability, impermeability grade, and environmental adaptability of the waterproof concrete. Description of the Drawings

[0046] The drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present application and used together with the specification to explain the principles of the present application.

[0047] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0048] Figure 1 It is a schematic flow chart provided for the first embodiment of the waterproof concrete construction method of the present application;

[0049] Figure 2 It is a schematic flow chart provided for the second embodiment of the waterproof concrete construction method of the present application;

[0050] Figure 3 It is a schematic flow chart provided for the third embodiment of the waterproof concrete construction method of this application;

[0051] Figure 4 It is a schematic flow chart provided for the fourth embodiment of the waterproof concrete construction method of this application;

[0052] Figure 5 It is a schematic flow chart provided for the fifth embodiment of the waterproof concrete construction method of this application;

[0053] Figure 6 It is a schematic module structure diagram of the waterproof concrete construction device in the embodiment of this application.

[0054] The realization of the purpose, functional characteristics and advantages of this application will be further described with reference to the embodiments and the accompanying drawings. Specific Embodiments

[0055] It should be understood that the specific embodiments described herein are only used to explain the technical solutions of this application and are not used to limit this application.

[0056] To better understand the technical solutions of this application, the following will be described in detail with reference to the accompanying drawings of the specification and specific embodiments.

[0057] Since there are technical problems in the prior art such as how to optimize the ground waterproof construction process, improve the durability and impermeability grade of waterproof concrete, and achieve efficient waterproofing in multiple application scenarios.

[0058] This application provides a solution. Roll on a penetrating crystalline waterproof coating on the surface of the ground base layer of the scene to construct the bottom layer of the composite waterproof layer; lay a saline-alkali-resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer; apply a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer; identify the type of construction scene, and adapt the corresponding expansion process to the composite waterproof layer based on the type of construction scene. This application optimizes the ground waterproof construction process, reduces the dependence on labor and the environment, achieves efficient waterproofing in multiple application scenarios, and improves the durability, impermeability grade and environmental adaptability of waterproof concrete.

[0059] Based on this, the embodiments of this application provide a waterproof concrete construction method, referring to Figure 1 , Figure 1 It is a schematic flow chart of the first embodiment of the waterproof concrete construction method of this application.

[0060] In this embodiment, the waterproof concrete construction method includes steps S10 to S40:

[0061] Step S10, roll on a penetrating crystalline waterproof coating on the surface of the ground base layer of the scene to construct the bottom layer of the composite waterproof layer;

[0062] It should be noted that the roller coating process solves the problem of uneven thickness caused by traditional brushing by limiting the number of roller coating passes and directions, and improves the mechanical bonding strength with the base layer.

[0063] Step S20, laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer;

[0064] It should be noted that before laying the coil, the cleanliness of the upper surface of the bottom layer of the composite waterproof layer can be detected and preheated to 40-50 °C to solve the problem of interface bonding failure between the bottom layer and the coil in a saline-alkali environment.

[0065] Step S30, applying polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer;

[0066] It should be noted that the upper surface of the middle layer of the composite waterproof layer is constructed in 2-3 layers by scraping process. By limiting the coating direction and thickness, the microcracks caused by stress concentration are eliminated.

[0067] Step S40, identifying the construction scene type, and adapting the corresponding expansion process to the composite waterproof layer based on the construction scene type.

[0068] It should be noted that the construction scene type at least includes underground engineering scenes, marine engineering scenes and special-shaped structure scenes; adapting the corresponding expansion process based on the construction scene type to realize the differentiation of parameters such as pipe diameter parameters, coating thickness and printing error, so that the construction process is applicable to multi-field application scenarios.

[0069] This embodiment optimizes the ground waterproof construction process, reduces the dependence on labor and the environment, realizes efficient waterproofing for multiple application scenarios, and improves the durability, impermeability grade and environmental adaptability of waterproof concrete.

[0070] Further, referring to Figure 2 , the second embodiment of the waterproof concrete construction method of this application provides a process schematic diagram. Based on the above Figure 2 shown example diagram, pretreatment is carried out before the step of "roller coating the penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer" in step S10. The pretreatment includes steps A201 to A203:

[0071] Step A201, flushing the surface of the scene ground base layer with a high-pressure water gun;

[0072] It should be noted that the pressure of the high-pressure water gun should be greater than 20 MPa to ensure the cleaning of stubborn pollutants, while the residues after flushing with a pressure of 15 MPa will cause a 30% decrease in the adhesion of the bottom layer; at the same time, control the moisture content after flushing to avoid poor film formation of the coating.

[0073] Step A202: Repair the cracks on the surface of the scene ground base layer with epoxy mortar.

[0074] It should be noted that epoxy resin and aggregate are proportioned to form epoxy mortar to repair cracks by balancing bond strength and crack resistance. If the crack width is greater than the critical value of the effective penetration of the crystalline waterproof coating, secondary repair is required.

[0075] Step A203: Roughen the surface of the repaired scene ground base layer based on a preset roughness.

[0076] Specifically, roughening treatment is carried out by a grinding machine to make the surface roughness of the scene ground base layer greater than 50um, meeting the construction requirements of the composite waterproof layer.

[0077] In this embodiment, by flushing with a high-pressure water gun, repairing cracks with epoxy mortar and grinding for roughening treatment, the performance of the scene ground base layer is comprehensively improved, so that the penetration depth of the crystalline waterproof coating at the bottom layer of the composite waterproof layer remains stable, and the durability of the waterproof system in the whole life cycle under harsh environments is improved.

[0078] Furthermore, referring to Figure 3 , the third embodiment of the waterproof concrete construction method of this application provides a process schematic diagram. Based on the above Figure 3 shown example diagram, the step of "rolling and applying a crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer" in step S10 is further refined, including steps A301 - A302:

[0079] Step A301: Roll and apply a crystalline waterproof coating on the surface of the scene ground base layer by using the roller coating method.

[0080] It should be noted that cross - rolling construction is carried out in 2 - 3 passes by a fiber roller, controlling the forward speed of the roller and the coating penetration time, so that the coating effectively fills the pores on the surface of the scene ground base layer.

[0081] Step A302: Control the dry film thickness of the crystalline waterproof coating to reach a first preset thickness, and keep the bottom layer of the composite waterproof layer moist.

[0082] It should be noted that after the final setting of the coating, a thickness detector is used to ensure that the dry film thickness of the crystalline waterproof coating reaches the first preset thickness. Based on the detection results, the coating amount is adjusted in real - time feedback to avoid thickness fluctuations caused by traditional construction and ensure the uniformity of the dry film thickness; by keeping the bottom layer of the composite waterproof layer moist within the expected curing time, the sufficiency of the hydration reaction is ensured, and accurate moist curing avoids the decrease of the penetration depth.

[0083] Furthermore, referring to Figure 4, the fourth embodiment of the waterproof concrete construction method of the present application provides a process schematic diagram. Based on the above Figure 4 As shown in the example diagram, the step of "laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer" in step S20 is further refined, including steps A401 to A403:

[0084] Step A401, after the bottom layer of the composite waterproof layer is completely cured, set out construction reference lines to control the laying direction;

[0085] It should be noted that the construction reference lines can be set out by a laser alignment instrument to ensure the laying direction of the material and the straightness of the lap joint, avoid lap joint failure caused by cumulative errors, and the positioning marks and the reference lines work together to achieve rapid positioning of the coil and improve construction efficiency.

[0086] Step A402, lay the saline-alkali resistant self-adhesive coil using the pre-laying and reverse adhesion process based on the construction reference lines;

[0087] It should be noted that the pre-laying and reverse adhesion process requires the self-adhesive layer to face the base layer, but it is not directly pasted on the upper surface of the bottom layer of the composite waterproof layer. Instead, it is pre-laid through temporary fixation, such as unbonded laying or mechanical fixation; among them, at the unbonded laying end of the front section, the initial stress concentration is eliminated, and the rolling sequence from the middle to the side is adopted, which helps to eliminate air pockets and bubbles and improve the anti-seepage performance.

[0088] Step A403, adjust the lap width of the laid saline-alkali resistant self-adhesive coil to reach the preset width, and use the hot melt method to perform double-weld welding on the lap joint.

[0089] It should be noted that the double-weld forms a redundant seal, and the leakage rate can still be maintained at a low level when compared with the failure of a single weld; at the lap joint, after heating to 180-200 degrees Celsius with a hot air gun, control the lap width to be greater than or equal to 80 mm and roll it tightly. The hot melt temperature is accurately matched with the melting point of the self-adhesive layer of the coil to ensure no false welding defects.

[0090] In this embodiment, the saline-alkali corrosion resistance of the composite waterproof layer is improved by laying the saline-alkali resistant self-adhesive coil. The double-weld process of hot melt welding forms a redundant structure to enhance the reliability of the interface seal. In the pre-laying and reverse adhesion process, the self-adhesive layer faces down and is unbonded, and the reverse adhesion is realized by relying on the pressure of the cast-in-place concrete later, eliminating the risk of water channeling.

[0091] Furthermore, referring to Figure 5 , the fifth embodiment of the waterproof concrete construction method of the present application provides a process schematic diagram. Based on the above Figure 5 As shown in the example diagram, the step of "applying polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer" in step S30 is further refined, including steps A501 to A502:

[0092] Step A501: Apply polymer cement waterproof coating to the middle layer of the composite waterproof layer by means of layered scraping coating.

[0093] Step A502: Apply polymer cement waterproof coating based on a preset time interval to make the total dry film thickness of the coating reach a second preset thickness.

[0094] Specifically, the layered scraping coating process is used for construction in 2 - 3 layers. The scraping direction of each layer intersects with the previous layer at 45°. The 45° cross scraping helps to eliminate unidirectional stress concentration. The depth - width ratio of the scraping knife teeth is 1:1.2 - 1.5, which helps to optimize the surface roughness of the coating. The scraping rate is 0.5 - 1.0 m / min. The preset interval time for each layer of coating is 2 - 4 hours. After final setting, a laser thickness gauge is used to detect that the total dry film thickness of the coating reaches the second preset thickness of 2 - 3 mm, optimizing the thickness uniformity deviation. After detection, the locally under - thick areas are replenished with coating until they meet the standard. After the final setting of the surface layer of the composite waterproof layer, a composite non - woven fabric can be covered, and a quantitative drip irrigation system is used for sprinkler curing. The sprinkler curing time is greater than or equal to 7 days. During the curing period, the temperature and humidity of the surface layer are maintained, and temperature closed - loop control inhibits temperature difference cracks in the surface layer.

[0095] In this embodiment, the layered scraping coating process is used to reduce the coating porosity and enhance the anti - seepage pressure. Dynamic detection is carried out by a laser thickness gauge, combined with the local replenishment coating process to eliminate weak areas. A preset interval time is set for each layer to ensure that the previous layer is surface - dry but not completely cured, promoting the entanglement of molecular chains between layers and enhancing the interfacial bonding strength.

[0096] Furthermore, the waterproof concrete construction method of this application further refines the step of "identifying the construction scenario type and adapting the corresponding expansion process to the composite waterproof layer based on the construction scenario type" in step S40, including:

[0097] If the construction scenario type is an underground engineering scenario, activate the pre - embedded grouting pipe system and spray waterproof concrete based on the pre - embedded grouting pipe system.

[0098] Specifically, the pre - embedded grouting pipe system uses HDPE grouting pipes. The grouting pipes are arranged in a diamond grid. The batch spacing of the grouting pipes is set to be less than or equal to 1.5 m and pressure sensors are connected. When spraying waterproof concrete with the grouting pipes, control the aggregate particle size to be less than or equal to 8 mm, the spraying thickness to be greater than or equal to 50 mm. After spraying, a radar thickness gauge is used to detect the interface density, and epoxy resin slurry is injected to fill the pores.

[0099] If the construction scenario type is an ocean engineering scenario, add an epoxy resin coating to the surface of the pre - treated scenario ground base layer, and embed polyurethane sealant at the lap joints of the salt - resistant self - adhesive coils.

[0100] Specifically, an epoxy resin coating is added to the upper surface of the scene ground base layer, the thickness of the epoxy resin coating is adjusted to 0.5 - 1 mm, the roughness of the epoxy resin coating is polished, and the roughness of the epoxy resin coating is adjusted to be greater than or equal to 30 um to enhance the mechanical bite with the coil; the tower joint of the salt - and - alkali - resistant self - adhesive coil is filled with a double - layer polyurethane sealant, and the elastic modulus of the polyurethane sealant is 0.5 - 1 MPs2 to match the deformation ability of the coil, so that the chloride ion permeability coefficient is less than the national standard.

[0101] If the construction scene type is an irregular structure scene, the BIM model data is called to drive the 3D printing equipment to print the irregular waterproof layer, and the irregular waterproof layer is laid on the surface of the pre - treated scene ground base layer based on the printing accuracy of the printed irregular waterproof layer; the BIM model includes the geometric information, material properties, and construction requirements of the irregular structure.

[0102] Specifically, when the construction scene is an irregular structure scene, the structural curvature radius, joint angle tolerance, and waterproof layer stress distribution data are integrated into the BIM model; the curvature radius of the BIM model drives the optimization of the printing path to reduce the leakage rate of irregular components. The 3D printing equipment adjusts the printing path according to the model data, and uses a photocurable polyurethane acrylate material to print layer by layer for rapid prototyping. After printing, the profile deviation verified by three - dimensional laser should be less than 1.5 mm.

[0103] Furthermore, the waterproof concrete construction method of the present application further refines the step of "identifying the construction scene type and adapting the corresponding extended process to the composite waterproof layer based on the construction scene type" in step S40, and further includes:

[0104] Deploy an Internet of Things detection system, implant wireless humidity sensors at the key nodes of the composite waterproof layer, and transmit the data of the humidity sensors to the management platform in real time through the gateway, and trigger an alarm when the humidity threshold is exceeded.

[0105] Specifically, by installing branch capacitive wireless humidity sensors at the key nodes of the composite waterproof layer, such as the inner and outer corners, pipe roots, lap joints, etc., the sensor spacing can be set within 2 m, and the sampling frequency is set to be greater than 1 time per 10 minutes; the sensor data is transmitted to the cloud management platform in real time through the gateway, and the data packet encapsulation format is JSON; when the detected humidity value exceeds the preset threshold continuously for 3 times, trigger multi - level alarms, such as audible and visual alarms, SMS notifications, three - dimensional positioning of the leakage area in the BIIM model, etc.; after the alarm is triggered, an automatic repair plan is generated, such as starting the grouting pipe system for underground projects, re - coating the epoxy resin coating for marine projects, and re - printing the waterproof layer for irregular structure projects, and the construction instructions are sent to the terminal equipment through the management platform. Through the Internet of Things system, precise monitoring is realized, effective intelligent alarms are issued in the early stage of penetration, leakage points are located, and dynamic repairs are carried out.

[0106] It should be noted that the above examples are only for understanding the present application and do not constitute a limitation on the waterproof concrete construction method of the present application. Based on this technical concept, more forms of simple transformation are within the protection scope of the present application.

[0107] In addition, the present application also provides a waterproof concrete using the above waterproof concrete construction method, which is characterized in that the waterproof concrete includes:

[0108] A gel system, 20-25% of high-grade portland cement, and 5-10% of mineral admixture with a specific surface area greater than 400 m2 / kg;

[0109] It should be noted that the mineral admixture at least includes a composite of silica fume and ultra-fine fly ash, in which the proportion of silica fume is greater than 60 wt%; the high-grade cement and the highly active mineral admixture form a dense hydration product, reducing the capillary porosity.

[0110] An aggregate system, 55-65% of graded manufactured sand and crushed stone mixed aggregate, with a maximum particle size less than or equal to 25 mm and a mud content less than or equal to 0.5%;

[0111] It should be noted that the fineness modulus of the graded manufactured sand can be 2.3-2.8, the crushed stone is a continuous gradation of 5-25 mm, and the mass ratio of the manufactured sand to the crushed stone is at least (4:6)-(5:5); the continuous gradation of the manufactured sand and the crushed stone maximizes the bulk density.

[0112] A composite waterproofing agent, including 5-8% of organosilicon waterproofing agent, 1-2% of polycarboxylate superplasticizer, and 0.3-0.5% of polypropylene anti-cracking fiber based on the total mass of the binder system;

[0113] It should be noted that the organosilicon waterproofing agent at least includes an alkylalkoxysilane emulsion, with a solid content greater than 40% and a penetration depth greater than 8 mm; the length of the polypropylene anti-cracking fiber is at least 6-12 mm, the diameter is 18-25 μm, and the tensile strength is greater than 500 MPa; the organosilicon waterproofing agent forms a hydrophobic film, and the polypropylene anti-cracking fiber prevents plastic shrinkage cracks.

[0114] In addition, the present application also provides a waterproof concrete construction device. Please refer to Figure 6 , the waterproof concrete construction device includes:

[0115] The bottom module 10 of the composite waterproof layer is used to roll-coat a crystalline waterproofing coating on the surface of the ground base of the scene to construct the bottom layer of the composite waterproof layer;

[0116] The middle module 20 of the composite waterproof layer is used to lay a saline-alkali-resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer;

[0117] The composite waterproofing surface layer module 30 is used to apply polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the surface layer of the composite waterproof layer;

[0118] The scenario adaptation process module 40 is used to identify the type of construction scenario and adapt corresponding expansion processes to the composite waterproof layer based on the type of construction scenario.

[0119] The waterproof concrete construction device provided by this application adopts the waterproof concrete construction method in the above embodiment, which can solve the technical problems of how to optimize the ground waterproof construction process, improve the durability and impermeability grade of waterproof concrete, and achieve efficient waterproofing in multiple application scenarios. Compared with the prior art, the beneficial effects of the waterproof concrete construction device provided by this application are the same as those of the waterproof concrete construction method provided by the above embodiment, and other technical features in the waterproof concrete construction device are the same as the features disclosed in the above embodiment method, which will not be elaborated here.

[0120] It should be understood that the various parts disclosed in this application can be implemented by hardware, software, firmware, or a combination thereof. In the description of the above embodiments, specific features, structures, materials, or characteristics can be combined in a suitable manner in any one or more embodiments or examples.

[0121] The above is only the specific implementation manner of this application, but the protection scope of this application is not limited thereto. Any person skilled in the art within the technical scope disclosed in this application can easily think of changes or substitutions, which should all be covered within the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

[0122] The flowcharts and block diagrams in the accompanying drawings illustrate the possible architectures, functions, and operations of systems, methods, and computer program products according to various embodiments of this application. In this regard, each block in the flowchart or block diagram may represent a module, a program segment, or a part of code, which contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order from that marked in the accompanying drawings. For example, two consecutive blocks shown may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram and / or flowchart, as well as the combination of blocks in the block diagram and / or flowchart, can be implemented by a dedicated hardware-based system for performing the specified functions or operations, or can be implemented by a combination of dedicated hardware and computer instructions.

[0123] The modules involved in the embodiments described in this application can be implemented in software or in hardware. In some cases, the name of the module does not constitute a limitation on the unit itself.

[0124] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0125] In addition, if there are descriptions such as "first" and "second" in the embodiments of the present invention, the descriptions of "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel scenarios. Taking "A and / or B" as an example, it includes scenario A, or scenario B, or the scenario where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0126] The above are only some embodiments of this application, and do not limit the patent scope of this application. Any equivalent structural transformation made under the technical concept of this application by using the content of the specification and drawings of this application, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of this application.

Claims

1. A waterproof concrete construction method, characterized in that, The method includes: Rolling and applying a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer; Laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer; Applying a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the top layer of the composite waterproof layer; Identifying the construction scene type, and adapting corresponding expansion processes to the composite waterproof layer based on the construction scene type.

2. The waterproof concrete construction method according to claim 1, characterized in that Pre-treatment is carried out before the step of rolling and applying a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer. The pre-treatment includes: Flushing the surface of the scene ground base layer with a high-pressure water gun; Repairing the cracks on the surface of the scene ground base layer with epoxy mortar; Roughening the repaired surface of the scene ground base layer based on a preset roughness.

3. The waterproof concrete construction method according to claim 2, characterized in that, The step of rolling and applying a penetrating crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer includes: Rolling and applying a penetrating crystalline waterproof coating on the surface of the scene ground base layer by means of roller coating; Controlling the dry film thickness of the penetrating crystalline waterproof coating to reach a first preset thickness, and keeping the bottom layer of the composite waterproof layer moist.

4. The waterproof concrete construction method according to claim 3, characterized in that, The step of laying a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer includes: After the bottom layer of the composite waterproof layer is completely cured, snapping a construction reference line to control the laying direction; Laying a saline-alkali resistant self-adhesive coil by means of pre-laying and reverse adhesion technology based on the construction reference line; Adjusting the laying overlap width of the saline-alkali resistant self-adhesive coil to reach a preset width, and performing double-weld seam welding on the overlap edge by means of hot melting.

5. The waterproof concrete construction method according to claim 4, wherein, The step of applying a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the top layer of the composite waterproof layer includes: Applying a polymer cement waterproof coating on the middle layer of the composite waterproof layer by means of layered scraping; Applying the polymer cement waterproof coating based on a preset time interval, so that the total dry film thickness of the coating reaches a second preset thickness.

6. The waterproof concrete construction method according to claim 5, characterized in that, The step of identifying the construction scene type and adapting corresponding expansion processes to the composite waterproof layer based on the construction scene type includes: If the construction scene type is an underground engineering scene, activating the embedded grouting pipe system and spraying waterproof concrete for construction based on the embedded grouting pipe system; If the construction scene type is an ocean engineering scene, adding an epoxy resin coating on the surface of the pre-treated scene ground base layer, and embedding a polyurethane sealant at the lap joint of the saline-alkali resistant self-adhesive coil; If the construction scene type is a special-shaped structure scene, calling the BIM model data to drive a 3D printing device to print a special-shaped waterproof layer, and laying the special-shaped waterproof layer on the surface of the pre-treated scene ground base layer based on the printing accuracy of the special-shaped waterproof layer; the BIM model includes the geometric information, material properties and construction requirements of the special-shaped structure.

7. The waterproof concrete construction method according to claim 6, characterized in that, The step of identifying the construction scene type and adapting corresponding expansion processes to the composite waterproof layer based on the construction scene type further includes: Deploying an Internet of Things detection system, implanting wireless humidity sensors at key nodes of the composite waterproof layer, and transmitting the data of the humidity sensors to the management platform in real time through a gateway, and triggering an alarm when the humidity threshold is exceeded.

8. A waterproof concrete using the waterproof concrete construction method according to any one of claims 1-7, characterized in that, The waterproof concrete includes: A gel system, including 20-25% of high-grade portland cement and 5-10% of mineral admixture with a specific surface area greater than 400 m2 / kg; An aggregate system, including 55-65% of graded manufactured sand and crushed stone mixed aggregate, with a maximum particle size less than or equal to 25 mm and a mud content less than or equal to 0.5%; A composite waterproofing agent, including 5-8% of silicone waterproofing agent, 1-2% of polycarboxylate superplasticizer, and 0.3-0.5% of polypropylene anti-cracking fiber based on the total mass of the cementitious system.

9. The waterproof concrete according to claim 8, wherein, The waterproof concrete further includes: A scene adaptor, which selects and adds corresponding functional components based on the type of construction scene. Among them: For marine environment, 10-15% of silica fume and 0.5-1% of calcium nitrite rust inhibitor; For alpine environment, an air-entraining agent with an air content of 4-6% and 5-8% of nano-SiO2 admixture.

10. A waterproof concrete construction device, characterized in that, The construction device for the waterproof concrete includes: A bottom module of the composite waterproof layer, which is used to roll and apply a crystalline waterproof coating on the surface of the scene ground base layer to construct the bottom layer of the composite waterproof layer; A middle module of the composite waterproof layer, which is used to lay a saline-alkali resistant self-adhesive coil on the upper surface of the bottom layer of the composite waterproof layer to form the middle layer of the composite waterproof layer; A top module of the composite waterproof layer, which is used to apply a polymer cement waterproof coating on the upper surface of the middle layer of the composite waterproof layer to form the top layer of the composite waterproof layer; A scene adaptation process module, which is used to identify the type of construction scene and adapt corresponding expansion processes to the composite waterproof layer based on the type of construction scene.

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