Fiber reinforcement type wet-laying/overlay waterproof roll and its construction method
Technical field
The present invention relates to underground project waterproof field, and in particular to a kind of fiber reinforcement type wet-laying/overlay waterproof roll and
Its construction method.
Background technology
In the middle of underground project waterproof field, the construction method of waterproof roll is the development with waterproof coiled material and constantly sends out
Exhibition, waterproof roll from cannot with structural concrete formed adhesive seal common coiled material, develop into can with structure after pour coagulation
Soil forms sealing, and the adhesive interface of " channeling water " does not overlay waterproof roll, and corresponding construction method also updates.
It is cannot to be modified with the common coiled material of structural concrete formation adhesive seal and its construction method, such as SBS first
The construction method of asphalt water-proof coiled material, the method are that the empty paving construction → concrete of concrete of basement cushion construction → waterproof layer is prevented
Water conservation layer.The coiled material cannot accomplish the seal bond with structure sheaf and bed course, and what water-proof mechanism was leaned on is the company of coil waterproof layer
Continuous property and integrality are ensureing the security performance of its waterproof.When waterproof layer has any defect or breakage, underground water is in hydraulic pressure
Will occur large-area " channeling water " phenomenon between waterproof layer and structure in a large number by such defect or breaking point under effect,
When " channeling water " inside the waterproof layer runs into structural cracks, water will penetrate into inside configuration along architecture structural crack, cause work
Cheng Fasheng seepages.
Furthermore it is to overlay polymeric laminate waterproof roll and its construction method, is to improve " channeling water " defect above, underground work
Journey waterproof material is selected and overlays waterproof coiled material construction.Overlay waterproof coiled material construction and eliminate fish tail and waterproof layer, directly in waterproof layer
Surface assembling reinforcement and after pouring concrete, the effect of not " channeling water " of can accomplishing to be bonded and sealed with waterproof layer.Overlay waterproof roll
Be divided into two kinds of asphaltic base coating and non-bituminous base coating again with concrete bonding sealant material, because the assembling reinforcement duration it is longer,
Asphaltic base coating tolerates the ability of sunlight middle-ultraviolet lamp in being exposed to natural environment, easily lose the bonding with rear pouring concrete
Sealability(The sealing function that summer direct sunlight will lose with rear pouring concrete for 4 hours), do not have and overlay sealing function.
Non-bituminous base coating overlays waterproof material at this stage(The material macromolecule glue-line that non-bituminous base adhesive coating is used, because selecting
Macromolecular adhesive material difference, its it is weather-proof sealing security up to 7 ~ 28 days)--- non-bituminous base overlays macromolecule
Glued membrane waterproof product is used in a large number by market, and achieves certain waterproof effect.Technique way is:Concrete of basement bed course
Construction → waterproof layer empty paving construction → assembling reinforcement → pour rear pouring concrete(Overlay waterproof roll, material standard reference:GB/
T23457-2009 overlays waterproof roll part;Construction way is overlay with reference to GB50208-2011《Underground engineering construction receiving gauge
Model》).
In the patent application of Application No. 201410449388.3, it is noted that a kind of Waterproofing Technology of Underground Works technique,
The technique includes processing woven dacron and second the third water-proof liquid rubber coating;Brushing primer;Brushing water-repellent paint;Apply on woven dacron
Brush second the third water-proof liquid rubber coating;It is dilute to spread face slag;Film waterproof material is checked and accepted;Protective layer is constructed.The method mainly solves tradition
Waterproof construction is destroyed, and next procedure has started to the remedies problems of enforcement.
In current waterproof roll underground engineering waterproof construction method for bottom plate, waterproof roll is overlay using in concrete mats
Layer overhead paving waterproof layer, so when level of ground water exceedes concrete cushion, waterproof layer and concrete mats interlayer can have one
" the open fire layer " of layer channeling water.When on its coiled material adhesive-layer, the assembling reinforcement time exceedes itself weather-proof sealing security(7~28
My god)When, will result in rear pouring concrete and overlay macromolecule glue film coiled material glue-line adhesive seal performance failure, under waterproof layer on
" open fire " of the play stated will be by its waterproof layer itself defect or damaged part, and the substantial amounts of waterproof layer that enters into is mixed with structure
Between solidifying soil, the open fire scurried into can enter inside configuration at structural cracks, so as to cause engineering leakage to occur.Ask for this
Topic, the present invention propose a kind of coiled material wet-laying and overlay the construction method that combines.
The content of the invention
It is an object of the invention to provide a kind of a kind of fiber reinforcement type wet-laying/overlay applied in underground waterproof field is anti-
Water coiled material.
It is an object of the present invention to provide a kind of fiber reinforcement type wet-laying/overlay waterproof roll, the waterproof roll
Comprising fabric reinforcement, upper adhesive layer, tire basic unit, lower adhesive layer and barrier film.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
Further, described fabric reinforcement is using in terylene, polypropylene fibre, polyester fiber, polyamide fibre and polypropylene fibre
Non-woven fabrics made by one or more material.
Further, the tire basic unit is using PE, HDPE, PET, TPO, resin film made by synthesizing high strength resin or poly-
Ester fiber non-woven fabrics(Polyester felt)In one kind.
Further, the thickness of described resin film tire basic unit be 0.05-0.30mm, the specification of polyester felt tire basic unit
For 150-300g/m2。
It is good that the material of fabric reinforcement of the present invention and tire basic unit, specification and pulling force ensure that waterproof roll has
Good impact resistance, lifts the performance of waterproof roll.The material and low manufacture cost of waterproof roll, is adapted to large-scale production
Use.
Fabric reinforcement of the present invention and tire basic unit cooperate, it is ensured that waterproof layer is viscous with rear pouring concrete
Performance is connect, the seal interface of 40m hydrostatic pressings not channeling water can be formed, the security performance of waterproof layer is effectively improved.Waterproof roll
Material and low manufacture cost, are adapted to large-scale production and application.
Further, described barrier film is made using the one kind in PE, PP or PET material.
Further, the specification of described fabric reinforcement is 40-120g/m2。
Further, the thickness of described upper adhesive layer and lower adhesive layer is 0.7-1.8mm.
Further, the pulling force of described resin film tire basic unit is 150-1000N/5cm;Described polyester felt tire basic unit
Pulling force be 400-1000N/5cm.
Further, the thickness of described waterproof roll is 1.5-4.0mm;Length is 7.5-20m, and width is 1m.
Described upper adhesive layer and lower adhesive layer are modified pitch:Modifying agent is SBS, SBR, APP, APAO, Petropols
One or more Deng in the middle of.Modified dose of modified pitch is used for the adhesive layer of waterproof roll, can be by the fibre of waterproof roll
Dimension enhancement layer and tire basic unit are closely bonded together, and effectively improve the intensity and water-proof function of waterproof roll, while coiled material
Between can realize same material self-adhesion seal.
Further, described adhesive layer low-temperature tenderness is -15 ~ -25 DEG C of not embrittlement, and 70 ~ 110 DEG C of high temperature do not trickle.
Another object of the present invention is to provide a kind of fiber reinforcement type coiled material wet-laying and overlay the construction party that combines
Method.
The construction method of described fiber reinforcement type wet-laying/overlay waterproof roll is comprised the following steps,
(1)Underground engineering underplate concrete cushion construction, it is smooth and carry out a press polish;
(2)After blinding concrete construction 2-4h, removing fiber reinforcement type wet-laying/overlay waterproof roll lower surface barrier film is used
The cement slurry wet-laying waterproof roll, fiber-reinforced layer is upward;
(3)After 24-48h, the surface of waterproof layer has been completed at this, prick base arrangement reinforcing bar in fabric reinforcement upper plate, and pour into a mould
Base arrangement concrete.
Further, in step(1)In, the thickness of described concrete cushion presses engineering design requirements, and its thickness is
100-150mm。
Further, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20.
Further, cement slurry thickness is 1.5-2.5mm.
Further, in step(2)In, described cement special rubber cement is using cement, water and cement additire and water
Stirring is allocated in proportion to form, and can ensure that wet-laying waterproof roll is preferably bonded with concrete cushion using this cement slurry
Together, concrete cushion is sealed by coiled material wet-laying, effectively can eliminate coiled material and concrete mats interlayer can channeling water " open fire
Layer ", can farthest reduce the percolating water water yield that may occur, and the impact resistance breakage performance of waterproof layer can be substantially improved.
Further, described additive is hydroxypropyl methyl cellulose and polyvinyl alcohol.
Further, during wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, to discharge coiled material and basic unit
Between wrap up in miscellaneous air.
Further, step(2)In, described fiber reinforcement type wet-laying/overlay waterproof roll thickness is 1.5-4.0mm,
Coiled material wet-laying forms seal interface with underplate concrete bed course by cement slurry.
Further, described coiled material wet-laying refers to that coiled material forms sealing with underplate concrete bed course by cement slurry
Interface, after coiled material wet-laying, coiled material fabric reinforcement is upward.
Further, described fiber reinforcement type wet-laying/overlay waterproof roll be configured to from top to bottom fabric reinforcement,
Upper adhesive layer, tire base, lower adhesive layer and separation layer.
Further, step(3)In, the reinforced concrete soil thickness of the cast presses engineering design requirements, and its thickness is
200-1500mm。
Further, described coiled material fabric reinforcement forms seal interface with the base arrangement concrete of rear cast,
40 meters of hydraulic pressure not channeling water can be born in the seal interface.
The invention has the beneficial effects as follows:
1st, the construction ride comfort of the waterproof roll is good, can contact ground well, prevent fold from producing, in the section for processing waterproof
During point, perfect same material self-adhesion sealing can be realized between coiled material, it is ensured that the sealing effectiveness between waterproof roll overlap edge.
2nd, the present invention is by the wet-laying of waterproof roll and overlays mode and is combined together, and effectively reduces the possibility of leak.
Described in GB GB/T23457-2009, waterproof roll is divided into and overlays coiled material and wet-laying coiled material, overlays coiled material and wet-laying coiled material
Respectively different material compositions and technical indicator.Before this, no material can accomplish wet-laying method and pre- laying method in
All over the body, wet-laying and pre- laying method are combined togather by the invention.I.e. after concrete cushion construction is completed, coiled material of the present invention
It is medium by wet-laying cement slurry, realizes bonding and seal underground engineering underplate concrete bed course, this is wet-laying.Then wet-laying
Fiber reinforced waterproof roll, after wet-laying construction is completed, pricks base arrangement reinforcing bar in fabric reinforcement upper plate, pours into a mould coagulation
Soil, makes fabric reinforcement be combined together with the concrete of cast, and this is to overlay construction.By above-described coiled material wet-laying with
Way is overlay, sealing, non-channeling water that the coiled material lower floor passes through to be formed between wet-laying cement gel pulp layer and bottom cushion is realized respectively
Adhesive interface;Coiled material upper strata is combined closely by fibrous faced layer and rear pouring concrete, forms bonding circle of sealing, not channeling water
Face.
3rd, Faced fibrous layer weathering stability in coiled material upper surface is extremely strong, can leak outside under natural conditions for a long time, and do not affect with
The stability that pouring concrete is combined afterwards, and form the seal interface of not channeling water.
4th, coiled material seals concrete cushion by wet-laying, effectively can eliminate coiled material and concrete mats interlayer can channeling water it is " bright
Water layer ", can farthest reduce the percolating water water yield that may occur;And the impact resistance breakage performance of waterproof layer can be lifted;Together
When the construction method that overlays with reference to coiled material upper surface, can form safe with rear pouring concrete, 40 meters of hydraulic pressure not channeling water can be born
Seal interface.The construction method is by wet-laying and overlays construction method and is combined together, and basement waterproofing system can be greatly reduced
The leak water yield in middle infiltration waterproof layer simultaneously can effectively prevent " channeling water " between waterproof layer and structure and the large area seepage that causes
Problem, waterproof safety obtain double shield.
5th, Building life cycle, the waterproof effect of safety, it is to avoid because engineering waterproofing seepage is to the quick of structure reinforcing bars are extended
Corrosion, and cause the potential safety hazard that building structure may occur in advance.
6th, and conventional waterproof material(Such as SBS coiled materials)Underground engineering construction of bottom plates is compared, and can save the duration more than 3/4;Together
When can save 50mm thickness concrete cover, engineering cost can be saved.Ensure waterproof layer it is safer while significantly can drop
Low engineering comprehensive cost.
7th, fabric reinforcement wet-laying overlays the construction of waterproof roll and does not use any thermal source, does not produce PM2.5 pollutions, really
Accomplish zero-emission of constructing.
Description of the drawings
Fig. 1 is that fiber reinforcement type wet-laying of the present invention/overlay waterproof roll structure is constituted;
Fig. 2 is fiber reinforcement type wet-laying of the present invention/overlay waterproof coiled material construction water proof structure way;
Fig. 3 is that wet-laying double-sided adhesive coiled material+fiber reinforcement type wet-laying of the present invention/overlay waterproof roll bilayer construction waterproof is constructed and done
Method;
Fig. 4 is the waterproof principle of fiber reinforcement type wet-laying of the present invention/overlay waterproof coiled material construction way;
Fig. 5 is fiber reinforcement type wet-laying of the present invention/overlay waterproof coiled material construction way and conventional waterproof coiled material duration Cost comparisons
Figure.
Specific embodiment
Embodiment 1
As depicted in figs. 1 and 2, fiber reinforcement type wet-laying/overlay waterproof roll is constituted comprising fabric reinforcement, upper adhesive layer, tire
Basic unit, lower adhesive layer and barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using terylene, and its specification is 60g/m2;Tire basic unit is made using PET esters
Film, its thickness are 0.05mm, and pulling force is 200N/5cm;The thickness of upper adhesive layer and lower adhesive layer is 0.7mm;Barrier film is adopted
Film is made with PE.
The thickness of the waterproof roll is 1.5mm;Length is 20m, and width is 1.0m.
Described adhesive layer is modified pitch:Modifying agent is SBS.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
The construction method of 1.5mm fiber reinforcement type wet-layings/overlay waterproof roll is comprised the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 100mm;
(2)After blinding concrete construction 3h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 1.5mm, special cement slurry are by using the allotment of high-molecular cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol
Form;
Removing barrier film, wet-laying 1.5mm thick fiber enhancement mode wet-laying/overlay waterproof roll, fabric reinforcement is upward;
(3)After wet-laying construction completes 48h, base arrangement reinforcing bar is pricked in fabric reinforcement upper plate;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 200mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Embodiment 2
Fiber reinforcement type wet-laying/overlay waterproof roll constitute comprising fabric reinforcement, upper adhesive layer, tire basic unit, lower adhesive layer and
Barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using polypropylene fibre, and its specification is 100g/m2;Tire basic unit is made thin using TPO
Film, its thickness are 0.30mm, and pulling force is 500N/5cm;The thickness of upper adhesive layer and lower adhesive layer is 0.82mm;Barrier film is adopted
Film is made with PE.
The thickness of the waterproof roll is 2.0mm;Length is 15m, and width is 1m.
Described adhesive layer is modified pitch:Modifying agent is SBR.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
The construction method of 2.0mm fiber reinforcement type wet-layings/overlay waterproof roll is comprised the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 100mm;
(2)After blinding concrete construction 4h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 2.5mm, special cement slurry are by using the allotment of high-molecular cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol
Form;
Removing barrier film, wet-laying 2.0mm thick fiber enhancement mode wet-laying/overlay waterproof roll, fabric reinforcement is upward;
(3)After wet-laying construction completes 48h, base arrangement reinforcing bar is pricked in fabric reinforcement upper plate;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 400mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Embodiment 3
As shown in figures 1 and 3, fiber reinforcement type wet-laying/overlay waterproof roll is constituted comprising fabric reinforcement, upper adhesive layer, tire
Basic unit, lower adhesive layer and barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using polyester fiber, and its specification is 70g/m2;Tire basic unit is made using PE
Film, its thickness are 0.10mm, and pulling force is 200N/5cm;The thickness of upper adhesive layer and lower adhesive layer is 0.68mm;Barrier film
Film is made using PP.
The thickness of the waterproof roll is 1.5mm;Length is 20m, and width is 1m.
Described adhesive layer is modified pitch:Modifying agent is APP.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
1.5mm wet-laying double-sided adhesive coiled material+1.5mm fiber reinforcement type wet-layings/overlay double-deck construction method of waterproof roll,
Comprise the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 150mm;
(2)After blinding concrete construction 4h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 2.0mm, special cement slurry are by using the allotment of high-molecular cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol
Form;
Barrier film is removed, wet-laying 1.5mm thickness double-sided adhesive coiled material, after wet-laying double-sided adhesive coiled material constructs 24h, removes wet-laying double
Face bonding coiled material upper surface barrier film and 1.5mm thick fiber enhancement mode wet-layings/overlay waterproof roll lower surface barrier film, twin-laminate roll
Fissure of displacement self-adhesion construction is carried out between material, fabric reinforcement is upward;
(3)After fiber reinforcement type wet-laying/overlay waterproof coiled material construction completes 48h, base arrangement steel is pricked in fabric reinforcement upper plate
Muscle;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 1500mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Embodiment 4
Fiber reinforcement type wet-laying/overlay waterproof roll constitute comprising fabric reinforcement, upper adhesive layer, tire basic unit, lower adhesive layer and
Barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using polypropylene fibre, and its specification is 80g/m2;Tire basic unit is using synthesis
High-strength resin makes film, and its thickness is 0.09mm, and pulling force is 500N/5cm;The thickness of upper adhesive layer and lower adhesive layer is
0.7mm;Barrier film makes film using PET.
The thickness of the waterproof roll is 1.5mm;Length is 20m, and width is 1m.
Described adhesive layer is modified pitch:Modifying agent is APAO Petropols.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
The construction method of 1.5mm fiber reinforcement type wet-layings/overlay waterproof roll is comprised the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 100mm;
(2)After blinding concrete construction 3h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 1.5mm, special cement slurry are by using the allotment of high-molecular cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol
Form;
Removing barrier film, wet-laying 1.5mm thick fiber enhancement mode wet-laying/overlay waterproof roll, fabric reinforcement is upward;
(3)After wet-laying construction completes 48h, base arrangement reinforcing bar is pricked in fabric reinforcement upper plate;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 200mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Embodiment 5
Fiber reinforcement type wet-laying/overlay waterproof roll constitute comprising fabric reinforcement, upper adhesive layer, tire basic unit, lower adhesive layer and
Barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using polyamide fibre, and its specification is 90g/m2;Tire basic unit adopts polyester felt, rule
Lattice are 150g/ ㎡, and pulling force is 450N/5cm;The thickness of upper adhesive layer and lower adhesive layer is 1.4mm;Barrier film is made using PE
Film.
The thickness of the waterproof roll is 3mm;Length is 10m, and width is 1m.
Described adhesive layer is modified pitch:Modifying agent is SBS and APAO Petropols.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
The construction method of 3.0mm fiber reinforcement type wet-layings/overlay waterproof roll is comprised the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 100mm;
(2)After blinding concrete construction 4h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 2.5mm, special cement slurry are by using the allotment of high-molecular cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol
Form;
Removing barrier film, wet-laying 3.0mm thick fiber enhancement mode wet-laying/overlay waterproof roll, fabric reinforcement is upward;
(3)After wet-laying construction completes 48h, base arrangement reinforcing bar is pricked in fabric reinforcement upper plate;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 400mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Embodiment 6
Fiber reinforcement type wet-laying/overlay waterproof roll constitute comprising fabric reinforcement, upper adhesive layer, tire basic unit, lower adhesive layer and
Barrier film.
Wherein, fabric reinforcement makes non-woven fabrics using polypropylene fibre, and its specification is 120g/m2;Tire basic unit adopts polyester felt, its
Specification is 200g/ ㎡, and pulling force is 600N/5cm;The thickness of upper adhesive layer and lower adhesive layer is 1.8mm;The thickness of the waterproof roll
Spend for 4mm;Length is 7.5m, and width is 1m.
Described adhesive layer is modified pitch:Modifying agent is SBR and APP.
The production method of the waterproof roll is broadly divided into following step:
1st, tire basic unit and barrier film are sequentially placed, add adhesive therebetween, using should " sandwich " structure pressure to roller
It is combined;
2nd, fiber-reinforced layer and aforesaid " sandwich " structure are sequentially placed, equally add adhesive therebetween, using right
Roller is pressed together;
3rd, by above-mentioned product trimming and volume the waterproof roll is obtained together with.
The construction method of 4.0mm fiber reinforcement type wet-layings/overlay waterproof roll, comprises the following steps:
(1)Underground engineering underplate concrete cushion construction, smooth and carry out a press polish, the thickness of concrete cushion is 150mm;
(2)After blinding concrete construction 4h, when concrete surface can bear the pressure of more than 10KPa, cement special is laid
Rubber cement 2.5mm, special cement slurry be by using cement, water, hydroxypropyl methyl cellulose and polyvinyl alcohol allotment form;
Removing barrier film, wet-laying 4.0mm thick fiber enhancement mode wet-laying/overlay waterproof roll, fabric reinforcement is upward;
(3)After wet-laying construction completes 48h, base arrangement reinforcing bar is pricked in fabric reinforcement upper plate;
In base arrangement reinforcing bar upper concrete, fabric reinforcement is made to be combined together with the armored concrete of cast, this is
Construction is overlay, the reinforced concrete soil thickness of cast is 1500mm.
Wherein, described concrete cushion is pea gravel concreten, and its intensity is C15 or C20;
During wet-laying waterproof roll, coiled material and the unnecessary cement slurry of basal plane are excluded, miscellaneous air is wrapped up between coiled material and basic unit to discharge;
Coiled material wet-laying refers to that coiled material forms seal interface with underplate concrete bed course by cement slurry.
Experimental example
Using GB GB/T23457-2009《Overlay/wet-laying waterproof roll》, above example 1-6 is tested, it is main to survey
Examination impact property and anti-channeling are aqueous.
1 performance test of table
As it can be seen from table 1 the fiber reinforcement type wet-laying of the present invention/overlay waterproof roll have good shock resistance and
Anti-channeling is aqueous to wait excellent properties, effectively reduces the possibility of leak.
As shown in figure 4, fiber reinforcement type wet-laying of the present invention/overlay the waterproof principle of waterproof coiled material construction way.By this
After the construction method construction of bright fiber reinforcement type wet-laying/overlay waterproof roll, respectively concrete cushion, special from top to bottom
Cement gel pulp layer, fiber reinforcement type wet-laying/overlay waterproof roll and casting reinforced concrete layer.The construction method is by wet-laying and in advance
Paving construction method is combined together, and the leak water yield in basement waterproofing system can be greatly reduced and " channeling water " leakage problems are sent out
It is raw.
As shown in figure 5, the construction method of fiber reinforcement type wet-laying/the overlay waterproof roll using the present invention, waterproof construction
Easy, safety, saves the duration more than 3/4, saves 50mm concrete covers, can save about 35 yuan/m of engineering direct cost2。
Above-mentioned detailed description is illustrating for one of them possible embodiments of the present invention, and the embodiment is simultaneously not used to
The scope of the claims of the present invention is limited, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the technology of the present invention
In the range of scheme.