CN114525084A - Double-base pre-paved enhanced waterproof roll and construction method thereof - Google Patents
Double-base pre-paved enhanced waterproof roll and construction method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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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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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
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- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
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Abstract
The invention relates to the technical field of underground engineering and discloses a double-tire-base pre-paved reinforced waterproof coiled material and a construction method thereof. The construction method comprises the following steps: (1) pouring a concrete cushion layer for underground engineering construction; (2) empty laying of double-tire base pre-laid reinforced waterproof coiled material; (3) and (3) binding reinforcing steel bars on the bottom plate on the inorganic non-metallic mineral particle layer, and then pouring a bottom plate concrete structure layer. According to the invention, the polyester tire base and the polyethylene tire base are compounded on the layer of waterproof coiled material and combined with the pre-paving construction mode, so that the multi-waterproof effect of the layer of coiled material is realized, the structure is simple, the waterproof safety is greatly improved, and the leakage probability of waterproof engineering is effectively reduced.
Description
Technical Field
The invention relates to the technical field of underground engineering, in particular to a double-base pre-paved reinforced waterproof coiled material and a construction method thereof.
Background
In the field of underground engineering waterproofing, waterproof coiled materials cannot be separated, along with the continuous development of the waterproof coiled materials, the construction methods of different waterproof coiled materials are different, and the waterproof coiled materials are developed from common waterproof coiled materials which cannot be sealed with concrete and only can form a sealing layer by virtue of the waterproof coiled materials to pre-paved waterproof coiled materials which can form a sealing system with structural concrete, so that a corresponding increasingly perfect construction method is formed.
The traditional waterproof coiled material and a corresponding hot melting construction method thereof, such as an SBS modified asphalt waterproof coiled material, have the material surface that a polyethylene film cannot form a sealing layer mutually adhered with concrete. The construction method comprises the steps of basement concrete cushion construction → waterproof layer hot melting construction → concrete waterproof protective layer construction → reinforcement pouring concrete. The waterproof coiled material can not be hermetically bonded with the structural layer, and the waterproof principle is the integrity and continuity of the lap joint of the coiled material to form a waterproof layer of a raincoat type so as to ensure the waterproof safety. If the waterproof layer will produce the water phenomenon of scurrying of large tracts of land under secret water pressure's effect because of the damage or the defect that follow-up construction caused, meet structure crack or weak position when scurrying the water layer and will permeate to inside the structure, take place the seepage.
In order to overcome the defect that the conventional waterproof layer is easy to generate water channeling, the underground engineering waterproof material is preferably constructed by adopting an advanced pre-paving method. The waterproof roll is paved in advance in the corresponding construction specification, a waterproof protective layer is omitted, structural steel bars can be directly bound on the surface of the waterproof roll, then concrete is poured, and the sealing and bonding effect that the waterproof layer and the structure are fully bonded and water channeling is avoided can be achieved. Conventional pre-laid waterproof rolls can be classified into asphalt-based and non-asphalt-based glues according to the glue. However, in the construction process, the construction period of binding the reinforcing steel bars is long due to the influence of various factors, and the asphalt-based adhesive can quickly lose the bonding capability with post-cast concrete under the action of ultraviolet rays, wind, rain and the like if the asphalt-based adhesive is directly exposed, so that the bonding and sealing effect with the post-cast concrete is reduced. The present macromolecule pre-paving waterproof material made of non-asphalt-based glue, namely a non-asphalt-based macromolecule self-adhesive film waterproof coiled material, is convenient for construction and can achieve the pre-paving sealing effect because the upper surface of the non-asphalt-based macromolecule self-adhesive film waterproof coiled material is provided with isolating sand, is used in a large quantity in underground waterproof engineering, and also has some waterproof effects, but the material is harder, the construction difficulty coefficients at the positions of lap joint, internal and external corners, vertical surfaces and the like are large, and the lap joint with a vertical surface waterproof layer is difficult, so that the potential safety hazard is large.
The invention provides a double-base pre-laid waterproof coiled material and a construction method thereof, aiming at improving the performance of the existing pre-laid coiled material and overcoming the defects of the existing pre-laid coiled material.
In the underground engineering waterproof construction method, the pre-paved waterproof coiled material adopts a waterproof coiled material which is laid on a concrete cushion layer in a hollow mode, then reinforcing steel bars are bound on the surface of the waterproof coiled material, so that the waterproof coiled material is required to have strong breakage resistance, strength and elongation, a surface isolation material is required to be firmly bonded with concrete and embedded into an asphalt glue layer, the waterproof layer and the concrete layer are combined together, and the sealing effect is realized through the firm bonding of the asphalt glue and the concrete layer.
Disclosure of Invention
Aiming at the defects of the prior art, in order to solve the problems, the invention provides the following technical scheme: the utility model provides a two child base enhancement mode waterproofing membrane of paving in advance and construction method thereof, includes overlap edge silicone oil film layer, the bottom of overlap edge silicone oil film layer is equipped with inorganic non-metallic mineral substance grained layer, the bottom of inorganic non-metallic mineral substance grained layer is equipped with the rubberizing adhesion coating, the bottom of rubberizing adhesion coating is equipped with modified polyethylene child basic unit, the bottom of modified polyethylene child basic unit is equipped with compound viscose layer, the bottom of compound viscose layer is equipped with polyester child basic unit, the bottom of polyester child basic unit is equipped with down the adhesion coating, the bottom of lower adhesion coating is equipped with down keeps apart the rete.
Furthermore, the silicon oil film on the overlap edge is made of PE or PP materials.
Furthermore, the inorganic non-metallic mineral particle layer is made of granite and has the specification of 16-30 meshes.
Furthermore, the thickness of the upper adhesive layer is 1.1mm, the upper adhesive layer is modified asphalt, and the modifier is SBS, IIR or CR.
Further, the base thickness of the modified polyethylene tire base layer is 0.1mm, the modified polyethylene tire base layer and the polyester tire base layer jointly form a waterproof coiled material, the thickness of the waterproof coiled material is 4mm, the length of the waterproof coiled material is 7.5m, the width of the waterproof coiled material is 1m, the polyester tire base layer is made of polyester felt, the specification of the polyester tire base layer is 260 g/square meter, and the tensile force of the polyester tire base layer is 800N/50 mm.
Further, the thickness of compound viscose layer is 0.4mm, compound viscose layer be modified asphalt, wherein the modifier is SBS, IIR, CR and SBR.
Further, the thickness of lower adhesive layer is 0.7mm, lower adhesive layer is modified asphalt, wherein the modifier is SBS, IIR, CR and SBR.
Further, the lower isolation film layer is a 0.01mm fusible polyethylene film.
A construction method of a double-base pre-paved reinforced waterproof coiled material comprises the following steps of pre-dipping, coating, water cooling, film covering and the like, and twice gluing and twice film covering processes, wherein the specific production method comprises the following steps:
(1) spreading polyester tire base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the tire base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
Furthermore, the inorganic nonmetallic mineral particles are prepared by screening one or more materials of river sand, chemical sand, sintered sand and carborundum.
Further, the modified polyethylene base is one of nano modified polyethylene and PP modified polyethylene base with the thickness of 0.06-0.30mm, and polyethylene modified PET, and the polyester felt base has the specification of 200-340 g/square meter.
The inorganic non-metallic mineral particle layer, the modified polyethylene tire base layer and the polyester felt tire base layer are made of materials, specifications, tensile force, elongation and puncture strength, so that the waterproof coiled material has good puncture resistance and impact resistance, and the performance of the waterproof coiled material is improved. The waterproof roll is low in material and manufacturing cost and suitable for large-scale production.
According to the invention, the inorganic non-metallic mineral particle layer, the modified polyethylene tire base layer and the polyester felt tire base layer are matched with each other, so that the bonding performance of the waterproof layer and the post-cast concrete is ensured, a sealing interface with hydrostatic pressure of 80m and no water channeling can be formed, and the safety performance of the waterproof layer is greatly improved.
Furthermore, the ground isolating membrane is made of one of PE and PP materials.
Further, the particle size of the inorganic nonmetallic mineral particles is 10-50 meshes.
Furthermore, the thickness of the upper adhesive layer is 0.6-1.5mm, the thickness of the lower adhesive layer is 0.6-1.5mm, and the thickness of the composite adhesive layer is 0.2-1.0 mm.
Furthermore, the elongation of the modified polyethylene tire is 200-1000%, the tensile force is 80-300N/50mm, and the tensile force of the polyester tire is 400-1300N/50 mm.
Further, the thickness of the waterproof coiled material is 3.0-5.0 mm; the length is 7.5-10m and the width is 1 m. The elongation at break of the coiled material can reach more than 120%.
The upper adhesive layer, the composite adhesive layer and the lower adhesive layer are all modified asphalt: the modifier is one or more of SBS, IIR, CR, SBR, APP, PIB, APAO, petroleum resin, hydrogenated petroleum resin, etc. The asphalt modified by the modifier is used for an adhesive layer of the waterproof coiled material, so that inorganic nonmetallic mineral particles can be bonded with two tire bases, and the strength, the breaking elongation, the puncture strength, the water channeling pressure resistance and other properties of the waterproof coiled material and the waterproof function are greatly improved;
furthermore, the low-temperature flexibility of the floor adhesive layer is-20 to-30 ℃, no crack exists, and no flow occurs at a high temperature of 70 to 100 ℃.
In the waterproof roll construction process, the construction can be carried out as long as the base layer has no open water, after the waterproof layer is constructed, reinforcing steel bars can be bound on the waterproof layer, structural concrete can be poured, and the synchronous flow construction of a cushion layer, the waterproof layer and a structural layer can be realized, wherein the specific construction method comprises the following steps:
(1) carrying out the concrete construction of the bottom plate cushion layer of the underground engineering, wherein the thickness of the cushion layer concrete is 100-150 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 6-8 hours, when the surface of the concrete is initially hardened and can be constructed by standing, the reinforced waterproof coiled material is paved in advance on the empty double-base foundation, and the sand surface is upward;
(3) the lapping edges of the longitudinal long edges of the coiled material are torn off the silicon oil films to carry out lapping edge bonding construction, the lapping edges can be bonded after being subjected to heat tracing in a hot air or small fire baking mode at low temperature in winter, the lapping of the transverse short edges is carried out by fire baking, and hot melting lapping is carried out after surface sand grains are shoveled by a hot shovel, so that a hot melting and self-adhesion double lapping process is realized;
(4) the part of the waterproof layer which is finished with the lapping construction can be subjected to the operation of the structural steel bars of the bottom plate;
(5) pouring concrete on the structural steel bars of the bottom plate to combine the inorganic non-metallic mineral particle layer on the coiled material with the poured reinforced concrete, namely pre-paving construction, wherein the thickness of the poured concrete layer is 500 mm;
wherein, the bottom plate concrete cushion layer is fine aggregate concrete with the strength of C15.
Wherein, the bottom plate concrete cushion layer is fine stone concrete with one of the strength of C15, C20 and C30;
furthermore, the lapping width of the long side is 8-10cm, and the lapping width of the short side is 10-15 cm;
further, the thickness of the double-base waterproof roll in the step (2) is 3.0-5.0mm, and the roll is laid on the cushion layer in an empty mode.
Furthermore, the waterproof coiled material comprises a lap joint edge silicon oil film layer, an inorganic non-metallic mineral particle layer, an upper adhesive layer, a modified polyethylene tire base layer, a composite adhesive layer, a polyester tire base layer, a lower adhesive layer and a lower isolation film layer.
Furthermore, the lap joint edge adopts a hot melting and self-adhesion double lap joint process, and asphalt oil with the thickness of 5-8mm overflows from the fully-adhered lap joint edge during hot melting.
Furthermore, the coiled inorganic nonmetallic mineral particle layer forms a sealing interface with a poured concrete structure layer, and the interface can bear 80m hydrostatic pressure and cannot cause water channeling.
Compared with the prior art, the invention provides a double-base pre-paved reinforced waterproof coiled material and a construction method thereof, and the double-base pre-paved reinforced waterproof coiled material has the following beneficial effects:
1. the waterproof coiled material adopts a unique double-base production process, has all the advantages of a high-density polyethylene base and a high-strength polyester felt base, and has strong construction breakage resistance compared with a common pre-paved coiled material because the base is a double-base, the tensile strength and the impact resistance of the waterproof coiled material are both improved by 50 percent, and the tear strength of a nail rod is improved by 100 percent. The damage that causes the coiled material can more effectually prevent when ligature reinforcing bar at the job site, and polyethylene child and the double-deck child base of polyester child arrange the seepage probability that the damage that can reduce later stage construction and bring leads to greatly like this.
2. The upper surface of this coiled material is inorganic non-metallic mineral particle, and stability is extremely strong, and resistant ultraviolet ray, antipollution, anti breakage ability strengthen greatly under outdoor environment, and hard inorganic non-metallic mineral particle has protected waterproofing membrane's the sealed effect after the completion and the construction, and the material can realize with the grit in the concrete hydration reaction after polarity compatible, forms to glue the seal structure that does not scurry water fully.
3. The waterproof coiled material is strong in water pressure penetration resistance, the elongation rate of a conventional polyester tire pre-laid waterproof coiled material is 40%, once the structural occurrence variable exceeds the range which can be borne by the coiled material, the coiled material is pulled to crack, the waterproof capacity is lost, leakage occurs, and the ethylene tire fracture elongation rate of the double-tire-base pre-laid reinforced waterproof coiled material is more than 120% and is 3 times of the building settlement deformation resistance of the original coiled material.
4. The overlapping edge of the double-base waterproof coiled material is processed by hot melting and self-adhesion double overlapping, so that the sealing effect of the overlapping edge is ensured.
5. The modifier of the adhesive layer provided by the invention adopts CR rubber and IIR rubber with strong ageing resistance, and has stronger acid-base salt corrosion resistance.
6. The construction method can save the construction period. The construction of the air-laid method has no requirement on the water content of the base layer, clear water is removed after rain, the construction of the air-laid coiled material can be realized, the construction period is shortened, when the synchronous construction is carried out, the double-base pre-laid waterproof coiled material can be constructed when the cushion layer reaches the strength of the upper part of the user, the coiled material can be used for binding reinforcing steel bars on the surface of the coiled material after the coiled material is sealed and bonded only by overlapping edges, and the construction period node of the binding reinforcing steel bars can be completed by 3/4 in advance compared with the conventional coiled material construction mode.
7. The construction structure can save cost, the waterproof structure is simple and effective, the requirement of primary waterproof defense can be met by laying single layer, and compared with the conventional material waterproof construction method, the construction method can avoid a leveling layer, a concrete protection layer and an isolation layer, and save the comprehensive cost by more than 60 yuan per square meter.
Drawings
FIG. 1 is a structural configuration of a double-base pre-paved reinforced waterproof roll material of the present invention;
FIG. 2 is a method for constructing a waterproof structure by using a double-base pre-paved reinforced waterproof roll according to the present invention;
FIG. 3 is a waterproof principle of the construction method of the double-base pre-paved reinforced waterproof roll of the invention;
fig. 4 is a comparison diagram of construction period cost of the construction method of the double-base pre-paved reinforced waterproof roll of the invention and the construction cost of the traditional waterproof roll.
In the figure: 1. overlapping a side silicon oil film; 2. a layer of inorganic non-metallic mineral particles; 3. gluing a gluing layer; 4. modifying a polyethylene base course layer; 5. compounding an adhesive layer; 6. a polyester tire substrate layer; 7. a lower adhesive layer; 8. and a lower isolation film layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the double-tire-base pre-paved reinforced waterproof roll and the construction method thereof is as follows:
example 1
Referring to fig. 1-4, a double-base pre-paved reinforced waterproof roll comprises a lap silicone oil film layer 1, the lap silicone oil film layer 1 is made of PE or PP, an inorganic non-metallic mineral particle layer 2 is arranged at the bottom of the lap silicone oil film layer 1, the inorganic non-metallic mineral particle layer 2 is made of granite and has a specification of 16-30 meshes, an upper adhesive layer 3 is arranged at the bottom of the inorganic non-metallic mineral particle layer 2, the upper adhesive layer 3 is 1.1mm thick, the upper adhesive layer 3 is modified asphalt, wherein a modifier is SBS, IIR or CR, a modified polyethylene base layer 4 is arranged at the bottom of the upper adhesive layer 3, the modified polyethylene base layer 4 is 0.1mm thick, the modified polyethylene base layer 4 and a polyester base layer 6 jointly form a waterproof roll, the waterproof roll is 4mm thick, 7.5m long and 1m wide, the polyester base layer 6 is made of polyester felt, the modified polyethylene tire base layer is characterized in that the specification is 260 g/square meter, the tensile force is 800N/50mm, the bottom of the modified polyethylene tire base layer 4 is provided with a composite adhesive layer 5, the thickness of the composite adhesive layer 5 is 0.4mm, the composite adhesive layer 5 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the composite adhesive layer 5 is provided with a polyester tire base layer 6, the bottom of the polyester tire base layer 6 is provided with a lower adhesive layer 7, the thickness of the lower adhesive layer 7 is 0.7mm, the lower adhesive layer 7 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the lower adhesive layer 7 is provided with a lower isolation film layer 8, and the lower isolation film layer 8 is a 0.01mm easily-fusible polyethylene film.
A double-base pre-paved reinforced waterproof coiled material and a construction method thereof are disclosed, the production process of the waterproof coiled material comprises the procedures of pre-dipping, coating, water cooling, film covering and the like, and the production process comprises the following steps:
(1) spreading polyester base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
The construction method of the waterproof roll comprises the following steps:
(1) carrying out concrete construction on a base plate cushion layer of the underground engineering, wherein the thickness of the cushion layer concrete is 150 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 6 hours, when the surface of the concrete is initially hardened and can be constructed by standing people, the reinforced waterproof coiled material is laid in advance on the empty double-tire base, and the sand surface is upward;
(3) the lapping edges of the longitudinal long edges of the coiled material are torn off the silicon oil films to carry out lapping edge bonding construction, the lapping edges can be bonded after being subjected to heat tracing in a hot air or small fire baking mode at low temperature in winter, the lapping of the transverse short edges is carried out by fire baking, and hot melting lapping is carried out after surface sand grains are shoveled by a hot shovel, so that a hot melting and self-adhesion double lapping process is realized;
(4) the part of the waterproof layer which is finished with the lapping construction can be subjected to the operation of the structural steel bars of the bottom plate;
(5) pouring concrete on the structural steel bars of the bottom plate to combine the inorganic nonmetallic mineral particle layer on the coiled material with the poured reinforced concrete, namely pre-paving construction, wherein the thickness of the poured concrete layer is 500 mm;
wherein, the bottom concrete cushion layer is fine aggregate concrete with the strength of C15.
Example 2
Referring to fig. 1-4, a dual-base pre-paved reinforced waterproof roll comprises a lap silicon oil film layer 1, the lap silicon oil film 1 is made of PE or PP, an inorganic non-metallic mineral particle layer 2 is arranged at the bottom of the lap silicon oil film layer 1, the inorganic non-metallic mineral particle layer 2 is made of granite and is 16-30 meshes in specification, an upper adhesive layer 3 is arranged at the bottom of the inorganic non-metallic mineral particle layer 2, the upper adhesive layer 3 is 1.1mm in thickness, the upper adhesive layer 3 is modified asphalt, wherein a modifier is SBS, IIR or CR, a modified polyethylene base layer 4 is arranged at the bottom of the upper adhesive layer 3, the modified polyethylene base layer 4 is 0.1mm in base thickness, the modified polyethylene base layer 4 and a polyester base layer 6 jointly form the waterproof roll, the waterproof roll is 4mm in thickness, 7.5m in length and 1m in width, the polyester base layer 6 is made of polyester felt, the modified polyethylene tire base layer is characterized in that the specification is 260 g/square meter, the tensile force is 800N/50mm, the bottom of the modified polyethylene tire base layer 4 is provided with a composite adhesive layer 5, the thickness of the composite adhesive layer 5 is 0.4mm, the composite adhesive layer 5 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the composite adhesive layer 5 is provided with a polyester tire base layer 6, the bottom of the polyester tire base layer 6 is provided with a lower adhesive layer 7, the thickness of the lower adhesive layer 7 is 0.7mm, the lower adhesive layer 7 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the lower adhesive layer 7 is provided with a lower isolation film layer 8, and the lower isolation film layer 8 is a 0.01mm easily-fusible polyethylene film.
A double-base pre-paved reinforced waterproof coiled material and a construction method thereof are disclosed, the production process of the waterproof coiled material comprises the procedures of pre-dipping, coating, water cooling, film covering and the like, and the production process comprises the following steps:
(1) spreading polyester base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
The construction method of the waterproof roll comprises the following steps:
(1) carrying out concrete construction on a base plate cushion layer of the underground engineering, wherein the thickness of the cushion layer concrete is 150 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 8 hours, when the surface of the concrete is primarily hardened and can be constructed by standing people, the reinforced waterproof coiled material is laid in advance on the empty double-tire base, and the sand surface is upward;
(3) the lapping edges of the longitudinal long edges of the coiled material are torn off the silicon oil films to carry out lapping edge bonding construction, the lapping edges can be bonded after being subjected to heat tracing in a hot air or small fire baking mode at low temperature in winter, the lapping of the transverse short edges is carried out by fire baking, and hot melting lapping is carried out after surface sand grains are shoveled by a hot shovel, so that a hot melting and self-adhesion double lapping process is realized;
(4) the part of the waterproof layer which is finished with the lapping construction can be subjected to the operation of the structural steel bars of the bottom plate;
(5) pouring concrete on the structural steel bars of the bottom plate to combine the inorganic nonmetallic mineral particle layer on the coiled material with the poured reinforced concrete, namely pre-paving construction, wherein the thickness of the poured concrete layer is 500 mm;
wherein, the bottom plate concrete cushion layer is fine stone concrete with the strength of C20.
Example 3
Referring to fig. 1-4, a double-base pre-paved reinforced waterproof roll comprises a lap silicone oil film layer 1, the lap silicone oil film layer 1 is made of PE or PP, an inorganic non-metallic mineral particle layer 2 is arranged at the bottom of the lap silicone oil film layer 1, the inorganic non-metallic mineral particle layer 2 is made of granite and has a specification of 16-30 meshes, an upper adhesive layer 3 is arranged at the bottom of the inorganic non-metallic mineral particle layer 2, the upper adhesive layer 3 is 1.1mm thick, the upper adhesive layer 3 is modified asphalt, wherein a modifier is SBS, IIR or CR, a modified polyethylene base layer 4 is arranged at the bottom of the upper adhesive layer 3, the modified polyethylene base layer 4 is 0.1mm thick, the modified polyethylene base layer 4 and a polyester base layer 6 jointly form a waterproof roll, the waterproof roll is 4mm thick, 7.5m long and 1m wide, the polyester base layer 6 is made of polyester felt, the modified polyethylene tire base layer is characterized in that the specification is 260 g/square meter, the tensile force is 800N/50mm, the bottom of the modified polyethylene tire base layer 4 is provided with a composite adhesive layer 5, the thickness of the composite adhesive layer 5 is 0.4mm, the composite adhesive layer 5 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the composite adhesive layer 5 is provided with a polyester tire base layer 6, the bottom of the polyester tire base layer 6 is provided with a lower adhesive layer 7, the thickness of the lower adhesive layer 7 is 0.7mm, the lower adhesive layer 7 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the lower adhesive layer 7 is provided with a lower isolation film layer 8, and the lower isolation film layer 8 is a 0.01mm easily-fusible polyethylene film.
A double-base pre-paved reinforced waterproof coiled material and a construction method thereof are disclosed, the production process of the waterproof coiled material comprises the procedures of pre-dipping, coating, water cooling, film covering and the like, and the production process comprises the following steps:
(1) spreading polyester base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
The construction method of the waterproof roll comprises the following steps:
(1) carrying out concrete construction on a base plate cushion layer of the underground engineering, wherein the thickness of the cushion layer concrete is 150 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 8 hours, when the surface of the concrete is primarily hardened and can be constructed by standing people, the reinforced waterproof coiled material is laid in advance on the empty double-tire-base, and the sand surface faces upwards;
(3) tearing off a silicon oil film at the overlapping edge of the longitudinal long edge of the coiled material to perform overlapping edge bonding construction, performing heat tracing and bonding on the overlapping edge in a hot air or small fire baking mode, performing fire baking on the overlapping edge of the transverse short edge, shoveling off surface sand grains by using a hot shovel, and performing hot melt lapping to realize a hot melt and self-adhesion double lapping process;
(4) the part of the waterproof layer which is completely lapped can be subjected to the operation of the structural steel bars of the bottom plate;
(5) pouring concrete on the structural steel bars of the bottom plate to combine the inorganic nonmetallic mineral particle layer on the coiled material with the poured reinforced concrete, namely pre-paving construction, wherein the thickness of the poured concrete layer is 500 mm;
wherein, the bottom plate concrete cushion layer is fine stone concrete with the strength of C15.
Example 4
Referring to fig. 1-4, a double-base pre-paved reinforced waterproof roll comprises a lap silicone oil film layer 1, the lap silicone oil film layer 1 is made of PE or PP, an inorganic non-metallic mineral particle layer 2 is arranged at the bottom of the lap silicone oil film layer 1, the inorganic non-metallic mineral particle layer 2 is made of granite and has a specification of 16-30 meshes, an upper adhesive layer 3 is arranged at the bottom of the inorganic non-metallic mineral particle layer 2, the upper adhesive layer 3 is 1.1mm thick, the upper adhesive layer 3 is modified asphalt, wherein a modifier is SBS, IIR or CR, a modified polyethylene base layer 4 is arranged at the bottom of the upper adhesive layer 3, the modified polyethylene base layer 4 is 0.1mm thick, the modified polyethylene base layer 4 and a polyester base layer 6 jointly form a waterproof roll, the waterproof roll is 4mm thick, 7.5m long and 1m wide, the polyester base layer 6 is made of polyester felt, the modified polyethylene tire base layer is characterized in that the specification is 260 g/square meter, the tensile force is 800N/50mm, the bottom of the modified polyethylene tire base layer 4 is provided with a composite adhesive layer 5, the thickness of the composite adhesive layer 5 is 0.4mm, the composite adhesive layer 5 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the composite adhesive layer 5 is provided with a polyester tire base layer 6, the bottom of the polyester tire base layer 6 is provided with a lower adhesive layer 7, the thickness of the lower adhesive layer 7 is 0.7mm, the lower adhesive layer 7 is modified asphalt, wherein the modifying agent is SBS, IIR, CR and SBR, the bottom of the lower adhesive layer 7 is provided with a lower isolation film layer 8, and the lower isolation film layer 8 is a 0.01mm easily-fusible polyethylene film.
A double-base pre-paved reinforced waterproof coiled material and a construction method thereof are disclosed, the production process of the waterproof coiled material comprises the procedures of pre-dipping, coating, water cooling, film covering and the like, and the production process comprises the following steps:
(1) spreading polyester base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
The construction method of the waterproof roll comprises the following steps:
(1) carrying out concrete construction on a cushion layer of the underground engineering bottom plate, wherein the thickness of the cushion layer concrete is 130 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 7 hours, when the surface of the concrete is primarily hardened and can be constructed by standing people, the reinforced waterproof coiled material is laid in advance on the empty double-tire base, and the sand surface is upward;
(3) tearing off a silicon oil film at the overlapping edge of the longitudinal long edge of the coiled material to perform overlapping edge bonding construction, performing heat tracing and bonding on the overlapping edge in a hot air or small fire baking mode, performing fire baking on the overlapping edge of the transverse short edge, shoveling off surface sand grains by using a hot shovel, and performing hot melt lapping to realize a hot melt and self-adhesion double lapping process;
(4) the part of the waterproof layer which is completely lapped can be subjected to the operation of the structural steel bars of the bottom plate;
(5) concrete is poured on the structural steel bars of the bottom plate, so that the inorganic nonmetallic mineral particle layers on the coiled materials are combined with the poured reinforced concrete, the pre-paving construction is carried out, and the thickness of the poured concrete layer is 500 mm.
Wherein, the bottom plate concrete cushion layer is fine stone concrete with the strength of C20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a reinforcement type waterproofing membrane is spread in advance to double child base, includes overlap edge silicone oil film layer (1), its characterized in that: the bottom of overlap edge silicone oil rete (1) is equipped with inorganic non-metallic mineral substance grained layer (2), the bottom of inorganic non-metallic mineral substance grained layer (2) is equipped with rubberizing adhesive linkage (3), the bottom of rubberizing adhesive linkage (3) is equipped with modified polyethylene child basic unit (4), the bottom of modified polyethylene child basic unit (4) is equipped with compound viscose layer (5), the bottom of compound viscose layer (5) is equipped with polyester child basic unit (6), the bottom of polyester child basic unit (6) is equipped with down adhesive linkage (7), the bottom of lower adhesive linkage (7) is equipped with down keeps apart rete (8).
2. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the overlap edge silicon oil film (1) is made of PE or PP materials.
3. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the inorganic non-metallic mineral particle layer (2) is made of granite and has the specification of 16-30 meshes.
4. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the thickness of the upper adhesive layer (3) is 1.1mm, the upper adhesive layer (3) is modified asphalt, and the modifier is SBS, IIR or CR.
5. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the base thickness of the modified polyethylene base course layer (4) is 0.1mm, the modified polyethylene base course layer (4) and the polyester base course layer (6) jointly form a waterproof coiled material, the thickness of the waterproof coiled material is 4mm, the length of the waterproof coiled material is 7.5m, the width of the waterproof coiled material is 1m, the polyester base course layer (6) is made of polyester felt, the specification of the polyester base course layer is 260 g/square meter, and the tensile force is 800N/50 mm.
6. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the thickness of compound viscose layer (5) is 0.4mm, compound viscose layer (5) be modified asphalt, wherein the modifier is SBS, IIR, CR and SBR.
7. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the thickness of the lower adhesive layer (7) is 0.7mm, the lower adhesive layer (7) is modified asphalt, and the modifier is SBS, IIR, CR and SBR.
8. The double-base pre-paved reinforced waterproof roll as claimed in claim 1, wherein: the lower isolation film layer (8) is a 0.01mm fusible polyethylene film.
9. A construction method of a double-base pre-paved reinforced waterproof roll adopts the double-base pre-paved reinforced waterproof roll as claimed in any one of claims 1 to 8, and is characterized in that: the production process of the waterproof coiled material comprises the following steps of pre-dipping, coating, water cooling and laminating, and comprises two gluing processes and two laminating processes, wherein the specific production method comprises the following steps:
(1) spreading polyester tire base, drying, pre-dipping, and coating modified asphalt glue on two surfaces of the tire base in a coating process;
(2) covering one surface of the structure obtained in the step (1) with an isolating film and covering the other surface with a modified polyethylene base;
(3) and (3) coating a sizing adhesive layer on the surface of the modified polyethylene tire base of the structure obtained in the step (2), sticking a silicon oil film on the lap joint edge, uniformly spreading inorganic nonmetallic mineral particles, and performing calendaring and compacting to obtain the waterproof roll.
10. The construction method of the double-base pre-paved reinforced waterproof roll according to claim 9, characterized in that: in the waterproof roll construction process, the construction can be carried out as long as the base layer has no open water, after the waterproof layer is constructed, reinforcing steel bars can be bound on the waterproof layer, structural concrete can be poured, and the synchronous flow construction of a cushion layer, the waterproof layer and a structural layer can be realized, wherein the specific construction method comprises the following steps:
(1) carrying out the concrete construction of the bottom plate cushion layer of the underground engineering, wherein the thickness of the cushion layer concrete is 100-150 mm;
(2) after the bottom plate cushion layer concrete is constructed, after 6-8 hours, when the surface of the concrete is initially hardened and can be constructed by standing, the reinforced waterproof coiled material is paved in advance on the empty double-base foundation, and the sand surface is upward;
(3) the lapping edges of the longitudinal long edges of the coiled material are torn off the silicon oil films to carry out lapping edge bonding construction, the lapping edges can be bonded after being subjected to heat tracing in a hot air or small fire baking mode at low temperature in winter, the lapping of the transverse short edges is carried out by fire baking, and hot melting lapping is carried out after surface sand grains are shoveled by a hot shovel, so that a hot melting and self-adhesion double lapping process is realized;
(4) the part of the waterproof layer which is finished with the lapping construction can be subjected to the operation of the structural steel bars of the bottom plate;
(5) pouring concrete on the structural steel bars of the bottom plate to combine the inorganic non-metallic mineral particle layer on the coiled material with the poured reinforced concrete, namely pre-paving construction, wherein the thickness of the poured concrete layer is 500 mm;
wherein, the bottom plate concrete cushion layer is fine aggregate concrete, and the strength of the fine aggregate concrete cushion layer is C15.
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