CN107060170B - The cement foamed backfill structure in caisson type toilet and its earth-filling method - Google Patents
The cement foamed backfill structure in caisson type toilet and its earth-filling method Download PDFInfo
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- CN107060170B CN107060170B CN201710324870.8A CN201710324870A CN107060170B CN 107060170 B CN107060170 B CN 107060170B CN 201710324870 A CN201710324870 A CN 201710324870A CN 107060170 B CN107060170 B CN 107060170B
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Revetment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses the cement foamed backfill structure in caisson type toilet, the reinforced concrete floor including bottom, the foaming cement concrete layer positioned at reinforced concrete floor surface, and the ceramic tile surface layer of foaming cement concrete layer surface is set；The ceramic tile surface layer is provided with closet；The closet bottom is provided with outlet, which passes through a drainpipe being arranged in foaming cement concrete layer and the perforation of main downcomer connects；It is characterized in that, the foaming cement concrete layer is tilted to side, fluted A is arranged in foaming cement concrete layer surface bottom；The foaming cement concrete layer is along inclined direction provided with a plurality of groove B；Groove A and each groove B intersects；The bottom of groove A is provided with collector nozzle, which passes through the secondary drainage Guan Yuzhu downcomer perforation connection being arranged in inside foaming cement concrete layer.In addition, the present invention also provides the earth-filling methods of the cement foamed backfill structure in the caisson type toilet described in one kind.This structure is simple, and it is good to dredge water effect, can help to avoid toilet ponding, and then avoid Water deep leaching, in addition, can also be achieved live backfill.
Description
Technical field
The present invention relates to caisson type toilet structure more particularly to a kind of caisson type toilet cement of scene backfill construction
Foaming backfill structure and live earth-filling method.
Background technique
Caisson type toilet, that is, subsided rest room, main body build when by toilet structure sheaf partly or wholly sink from
(then general 35CM to 40CM) uses material so that the horizontal drainage pipeline embedment of toilet is wherein to corresponding flooring certain altitude
Backfill, structure structure face need only set a hole make soil stack by using.
The construction method of existing caisson type toilet generally comprises following methods: first doing twice waterproof one in 1. sinking ground
It is flexibility for rigidity two, does 48 hours closed-water tests, opens 20 millimeters of diameter of circle in standpipe and caisson of toilet bottom plate lowest part
4 mm depth of osseotomy site is inserted into 20 diameter tubes in hole.The drain water piping is directed toward the center of caisson of toilet bottom plate, just
In installation caisson of toilet waterproof device；A protective layer is done on watertight waterproof coating with cement mortar, it is desirable that surrounding is high,
The position for installing waterproof device ontology is minimum, and cement mortar protective course parches.2. installing, downcomer: installation waterproof device ontology, and
On the body covering cobblestone guarantee caisson ponding can unobstructed row dredged away to standpipe.3. it is public to lower than ground 5 to fill out sandy soil heap height
Partial pressure is real.It is filled and led up 4. laying cement.5. carrying out the waterproof at toilet threshold again.6. floor tile.
Building waste, clinker, the water absorption rate of existing caisson type toilet use are very big, and corner angle are easily destroyed original too much
Waterproof layer and drainage pipeline, clinker sulfur-bearing is more corrosive to waterproof layer.Haydite, useless foam filling gap are big, fill not close
Real, being pressurized can cause float coat sinking crack occur for a long time.Above-mentioned packing material does not have waterproof efficacy.
In addition, the Chinese patent literature of Publication No. CN103485509A discloses a kind of waterproof knot of caisson type toilet
Structure method for production, the production including basal layer, Stilt layer and ground floor, (1) basal layer production: before practice processes layer, in caisson
Twice of waterproof is done, first of waterproof is formed；Then it is poured using pea gravel concreten as second waterproof protective layer, and in microlith
Drainpipe is buried in concrete and is connect with draining main riser, and concrete surface is equipped with drainage grade 1%, and floor drain is located at minimum
Point, to form first time discharge structure；(2) Stilt layer makes: the lateral upper and lower water pipe of setting and sanitary ware in Stilt layer
Upper and lower water standpipe；(3) ground floor makes: precast rc slab is supported on short column buttress as accomodation ground,
Combined ground ceramic tile stays seam to be laid with, the blowdown standpipe reserving hole as required of sanitary ware, floor drain；It does on precast concrete surface
Second waterproof simultaneously sets protective layer；Ground floor is equipped with drainage grade 1%~2%, and floor drain is located at extreme lower position and forms second of row
Water construction.This method first makees waterproof layer, and low layer mortar looks for slope, and main drainpipe opens secondary drainage hole, then with brick cement plate into
Row is aerial, remakes mortar levelling layer and secondary waterproof layer.But aerial since drainage pipeline and water pipe are more, difficulty of construction is big, formwork
When to encounter gap at pipeline bigger, dead angle is easy to appear at main drainage pipeline, the mortar leakage blocking when doing mortar levelling layer
Caisson internal water accumulation is discharged can not in secondary drainage hole.
The effect is relatively poor for the water guide of existing caisson type toilet, is easy in toilet surface or material inner layer remaining
Moisture, to be easy to cause leakage.
In addition, existing foam concrete material needs the coordinated of foaming agent and hydrogen peroxide mostly to promote material to send out
Bubble, such as Publication No. CN104628347A Chinese patent literature disclose a kind of foaming agent, by the dioxygen of volumetric concentration 20%
The alkali metal salt of water and laruyl alcohol carboxymethyl cellulose is 8:3 composition according to weight ratio.
For another example the Chinese patent literature of Publication No. CN100398483A discloses a kind of lightweight heatproof porous wall material
And its building block, it is related to light thermal-insulation porous material for building and building block technique field.Materials for wall presses the group of following parts by weight
It is grouped as: 20-50 parts of portland cement；10-20 parts of light calcined magnesia；5-10 parts of hydrogen peroxide and rosin sodium as foaming agent
5-10 parts of soap；As 2-6 parts of the calcium stearate of stabilizer and 1-5 parts of naphthalene；Selected from plant straw powder or wood powder or flyash
10-20 parts of filler material；Along with suitable water.
In the prior art, mostly using commercial foaming agent and hydrogen peroxide greatly, hot water stirs foam in a reservoir；And it generally all needs
It wants scene to be equipped with special-purpose foaming machine, can only be prepared in the place production for having specific working condition, it is inconvenient to carry；Especially exist
The construction site of certain narrow spaces, such as lavatory caisson backfill place, and foamed material demand is small, existing foaming mixed mud
It is unable to satisfy foam-in-site use demand, it is difficult to meet scattered property construction demand.It is existing to be usually for fear of these existing defects
Material after foaming is delivered to construction site, but is easy to cause the globality for filling the material after solidifying again in this way, is easy to lead
The combination degree of packing material and matrix is caused, and then is easy to produce crack, influences the performances such as its waterproof, heat-insulated.
Caisson type toilet technical field is badly in need of a kind of achievable scene, the structure and method that backfill on the spot.
Summary of the invention
Live foam-in-site backfill and layout of beam line complexity, hydrophobic effect are difficult to not to solve existing caisson type toilet
The defects of ideal, the present invention provides a kind of caisson of toilet integral waterproofing structures, it is intended to and it realizes scene backfill, simplify design,
Improve waterproof effect.
The cement foamed backfill structure in caisson type toilet, the reinforced concrete floor including bottom are located at reinforced concrete floor surface
Foaming cement concrete layer, and the ceramic tile surface layer of foaming cement concrete layer surface is set；The ceramic tile surface layer is set
It is equipped with closet；The closet bottom is provided with outlet, which passes through the primary row being arranged in foaming cement concrete layer
Water pipe and the perforation of main downcomer connect；The foaming cement concrete layer is tilted to side, foaming cement concrete layer inclined-plane
Fluted A is arranged in bottom end；The foaming cement concrete layer is along inclined direction provided with a plurality of groove B；Groove A and each groove
B intersects；The bottom of groove A is provided with collector nozzle, which passes through the secondary row being arranged in inside foaming cement concrete layer
Water pipe and the perforation of main downcomer connect；
The foaming cement concrete layer is foamed by light foaming cement packing material；
The light foaming cement packing material, by weight, comprising:
The blowing promotor is selected from dodecyl sodium sulfate and/or lauryl sodium sulfate.
The inventors discovered that can innovatively realize that scene is returned on the spot using the light foaming cement packing material
It fills out；Foam-in-place obtains the foaming cement concrete layer in other knots of the cooperation cement foamed backfill structure in box toilet
Structure can obviously dredge moisture, help to overcome toilet ponding；Reach good waterproof effect.
Preferably, the cement foamed backfill structure in the caisson type toilet, groove B is along inclined direction to set in parallel
It sets.
Preferably, the cement foamed backfill structure in the caisson type toilet, groove B is U-shaped groove.
Preferably, the cement foamed backfill structure in the caisson type toilet, the distance between groove B is 2~3cm.
It that is to say, the shortest distance between connected groove B is 2~3cm.
Preferably, the cement foamed backfill structure in the caisson type toilet, the foaming cement concrete layer
Tilt angle is 2~4 °.
Preferably, the cement foamed backfill structure in the caisson type toilet, groove A is in broken line；Folder between broken line
Angle is in obtuse angle；The bending part of the broken line is close to foaming cement concrete layer surface bottom.
The groove A is arranged in broken line, obtuse angle the inclining towards the foaming cement concrete layer of the broken line
The top on inclined-plane.The groove A of such broken line design, can facilitate the ponding of confluence foaming cement concrete layer.
Preferably, the cement foamed backfill structure in the caisson type toilet, collector nozzle described in groove A is arranged recessed
The bending part bottom of slot A.The ponding of foaming cement concrete layer can be imported in groove A by groove B, then be cooperated described blunt
The groove A of angle broken line design, and the collector nozzle is arranged in the bottom end at groove A broken line position, residual can be dredged rapidly
In the ponding of foaming cement concrete layer.
Preferably, the cement foamed backfill structure in the caisson type toilet, the angle at the obtuse angle is 160~
170°。
Preferably, the cement foamed backfill structure in the caisson type toilet, the ceramic tile surface layer is equipped with several hollow outs
Hole.The cut-out openings run through the upper and lower surfaces of ceramic tile surface layer.
It is arranged by the collaboration of cut-out openings and the groove B and groove A and its collector nozzle, can be dredged rapidly
Lead the ponding of toilet surface；Because ponding dredges discharge in time, can assist reaching waterproof effect.
Preferably, the cement foamed backfill structure in the caisson type toilet, reinforced concrete floor and foamed cement coagulation
Waterproof coating layer is equipped between soil layer.
Preferably, the surface of the foaming cement concrete layer is again provided with waterproof coating layer.
The setting of the waterproof coating layer can be cooperateed with further and reach waterproof effect.
Structure of the present invention, the ceramic tile surface layer on surface layer are provided with the hole of several hollow outs；The water that surface layer can be overstock
It is transferred quickly to foaming cement concrete layer, by means of the groove B with certain squint angle of foaming cement concrete layer surface,
It is collected in groove A rapidly, furthermore aids in the broken line design of preferred groove A, ponding is collected rapidly and by the bottom groove A
The collector nozzle in portion, secondary downcomer are imported into main downcomer.In addition, the upper surface of foaming cement concrete layer is coated with waterproof
Material is additionally provided with waterproof layer between foaming cement concrete layer and reinforced concrete floor, and can cooperate with reduces asking for toilet ponding
Topic, prevents toilet from seeping water.
In the present invention, the structure design, then cooperate the collaboration of backfilling material of the present invention, it can be achieved that scene is returned
It fills out, moreover it is possible to guarantee the globality of backfill, helps further to cooperate with promotion waterproof performance.
In the present invention, by the collaboration of the material of the weight ratio, dedicated, large-scale foaming machine can be not necessarily to, can by hand,
Construction site foam-in-site.In addition, the light foaming cement packing material bulk density is small, material is light.
Preferably, the blowing promotor is selected from dodecyl sodium sulfate.
Preferably, the light foaming cement packing material, by weight, comprising:
In the present invention, the hydrophober is stearate.
The stearate can be the existing common salt with hydrophobic effect.
Preferably, the stearate is calcium stearate.The inventors discovered that best using calcium stearate effect.
The light foaming cement packing material, the water-retaining agent are polyacrylamide, Sodium Polyacrylate, polypropylene
At least one of sour potassium, ammonium polyacrylate.
The cement can be existing common silicate cement.Such as strength grade is 42.5,42.5R, 52.5,52.5R
Deng portland cement.
In addition, foaming is helped the present invention also provides the foaming method of the light foaming cement packing material described in one kind
Agent and sodium sulphate are dissolved in water, and foaming is to the 500~600% of added water volume under 30~150r/min revolving speed, then
Hydrophober, grey calcium, water-retaining agent are added, adds cement after stirring again, continues to stir to obtain the foamed cement packing material.
The inventors discovered that cooperating the throwing of the stirring rate, foaming degree and material under the material proportion
Add the packing material for the obtained superperformance that sequentially facilitates to foam.
Foaming method of the present invention is not necessarily to special foaming agent, can send out under any container, normal pressure and the speed of agitator
Bubble；Foaming process is simple.In addition, foaming process can be foamed using manually stirring foaming without special mechanical equipment.
Foamed concrete of the present invention can according to construction site, construction material requested amount foam-in-site, thus, facilitate improve fill out
The globality of body is filled, in addition, additionally aiding the water resistant for improving packing material and heat-insulated and thermal insulation effect.
The present invention also provides a kind of earth-filling methods of the cement foamed backfill structure in caisson type toilet, which is characterized in that
The following steps are included:
Step (1): stringing:
Drainpipe, secondary drainage pipe and the main downcomer are set；
Step (2): the light foaming cement foaming
Blowing promotor and sodium sulphate are dissolved in water, foamed under 30~150r/min revolving speed to added water volume
500~600%, hydrophober, grey calcium, water-retaining agent are then added, adds cement after stirring again, continues to stir to obtain the foaming water
Mud packing material；
Step (3): the foamed cement packing material that step (2) foaming obtains is backfilled to the space of step (1), to surface
It is arranged, forms the foaming cement concrete layer；
Step (4): in the foaming cement concrete layer installation closet and the ceramic tile surface layer；Complete caisson type
The cement foamed backfill of toilet.
The present invention uses the foamed cement packing material, cooperates the backfill structure again, can originally realize
Scene backfill in toilet small space；In addition, the structure is simple, it can be Integratively formed；Without multiple aperture cloth
Pipe；And then help further to promote waterproof effect.
The speed of agitator that sodium alkyl sulfonate and sodium sulphate dissolve foaming process in advance influences foaming effect big；As excellent
Choosing, the speed of agitator are 80~120r/min.
Currently preferred foaming sequence are as follows: first mix blowing promotor and sodium sulphate, respectively in the parts by weight
Under water, then under the speed of agitator 5~6 times for stirring the water volume that foaming is extremely added；Hating described in then adding again
Aqua, grey calcium, water-retaining agent and cement continue to stir to obtain the foamed cement packing material.Described in so adding and control
Foaming degree helps that light foaming cement is made.
In the present invention, the bulk density of the light foaming cement packing material is 250~300kg/m3。
The bulk density of foamed cement prepared by the present invention is less than 300kg/m3；Belong to light material.
In the present invention, a kind of foaming method of the preferred light foaming cement packing material, by the ten of 1 parts by weight
Dialkyl sulfonates and the sodium sulphate of 5 parts by weight are dissolved in the water of 200 parts by weight, are foamed under 100~120r/min revolving speed
To the 500~550% of added water volume, the hydrophober of 5 parts by weight, the grey calcium of 0.5 parts by weight, 1 parts by weight are then added
Water-retaining agent adds the cement of 220~250 parts by weight again after stirring, continue to stir to obtain the foamed cement packing material.
Beneficial effect
In the present invention, using the foamed cement packing material, the effect for backfill of foaming at the scene can be innovatively realized
Fruit；Good integrity is backfilled, and there is certain waterproof effect, the structure is cooperated to design, promotion toilet can be cooperateed with to dredge
The effect of water.
Cement foam-in-place backfill can be used in the cement foamed backfill structure in caisson type toilet of the present invention；In addition,
By the way that each groove on foamed cement surface is arranged in, then cooperate the ceramic tile surface layer of the hollow out；The backfill can be assigned
Dredge to well-formed, water guide effect it is good, and then help avoid toilet ponding, prevent Water deep leaching.
In the present invention, by cooperating under the dodecyl sodium sulfate of the weight part ratio and the synergistic effect of sodium sulphate
250~300kg/m of bulk density can be made in the collaboration of unclassified stores, weight proportion and the foaming condition3Packing material, symbol
Close light-weight requirements, compared to existing light material bulk density mostly in 400~700kg/m3It is lighter.In addition, the present invention is not necessarily to
Special-purpose foaming machine can on the spot, manually foam according to job location characteristic, and the amount to foam can adjust according to actual needs, overcome
The large-scale special-purpose foaming machine of existing needs foams the drawbacks of product after foaming is transported to construction site again on a large scale, Jin Ergeng
It can guarantee the integrality of obturator, effectively overcome crack, leak.
In addition, the present invention foams without existing commercial foaming machine, and without hydrogen peroxide assistance.
Detailed description of the invention
Fig. 1 is the schematic diagram of the cement foamed backfill structure in caisson type toilet of the present invention；
Fig. 2 is that the foaming cement concrete layer surface of the cement foamed backfill structure in caisson type toilet of the present invention is shown
It is intended to；
Fig. 3 is the ceramic tile facing surface schematic diagram of the cement foamed backfill structure in caisson type toilet of the present invention.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the cement foamed backfill structure in the caisson type toilet, the reinforcing bar including bottom
Concrete building plate 1, the foaming cement concrete layer 3 positioned at 1 surface of reinforced concrete floor, and be arranged in 3 table of foaming cement concrete layer
The ceramic tile surface layer 2 in face；Waterproof coating layer 10 is equipped between reinforced concrete floor 1 and foaming cement concrete layer 3.The ceramic tile surface layer
2 are equipped with several cut-out openings 11.The surface of the foaming cement concrete layer 3 is again provided with waterproof coating layer (in attached drawing
It is not shown).
The ceramic tile surface layer 2 is provided with closet 7；The bottom of the closet 7 is provided with outlet, which passes through setting
A drainpipe 9 and the perforation of main downcomer 8 in foaming cement concrete layer 3 connect；The foaming cement concrete layer 3
It is tilted to side, the tilt angle of the foaming cement concrete layer 3 is 2~4 °.
The foaming cement concrete layer 3 is along inclined direction provided with a plurality of groove 4 (groove B)；Groove 4 is that edge is inclined
Tilted direction is arranged in parallel.The groove 4 is U-shaped groove.The distance between groove 4 is 2~3cm.
Fluted 12 (groove A) are arranged in 3 surface bottom of foaming cement concrete layer；Groove 12 is in broken line；Between broken line
Angle is in 160~170 ° of obtuse angle；The bending part of the broken line is close to 3 surface bottom of foaming cement concrete layer.Groove 12
Intersect with each groove 4；The bottom of groove 12 is provided with collector nozzle 5, and the bending part of groove 12 is arranged in the collector nozzle 5 of groove 12
Bottom.The collector nozzle 5 passes through the secondary drainage pipe 6 being arranged in inside foaming cement concrete layer 3 and the perforation of main downcomer 8 connects
It connects.
The ceramic tile surface layer 2 of structure of the present invention, surface layer is provided with the hole 11 of several hollow outs；Surface layer can be overstock
Water is transferred quickly to foaming cement concrete layer 3, by means of the recessed with certain squint angle of 3 surface of foaming cement concrete layer
Slot 4, is collected to rapidly in groove 12, furthermore aids in the broken line design of preferred groove 12, ponding is collected and passed through rapidly
Collector nozzle 5, the secondary downcomer 6 of 12 bottom of groove are imported into main downcomer 8.In addition, the upper table of foaming cement concrete layer 3
Face is coated with waterproof material, and waterproof layer 10 is additionally provided between foaming cement concrete layer 3 and reinforced concrete floor 1, can cooperate with drop
The problem of low toilet ponding, prevent toilet from seeping water.
The cement foamed backfill structure earth-filling method in caisson type toilet is as follows:
Embodiment 1
The following steps are included:
Step (1): stringing:
Drainpipe, secondary drainage pipe and the main downcomer are set；
Step (2): the light foaming cement foaming
It foams by following weight ratio and foamed concrete is made:
The cement is portland cement.
The water-retaining agent is polyacrylamide.
Blowing promotor and sodium sulphate are dissolved in water, foamed under 100~110r/min revolving speed to added water volume
500~550%, then add hydrophober, grey calcium, water-retaining agent, add cement after stirring again, continue to stir to obtain the foaming
Cement packing material；
Step (3): the foamed cement packing material that step (2) foaming obtains is backfilled to the space of step (1), to surface
It is arranged, forms the foaming cement concrete layer；
Step (4): in the foaming cement concrete layer installation closet and the ceramic tile surface layer；Complete caisson type
The cement foamed backfill of toilet.
The material bulk density for backfilling obtained foamed concrete layer is about 250kg/m3。
Backfilling the obtained thermal coefficient of foaming cement concrete layer material is 0.08W/ (M.K), can cast-in-site construction,
It is tightly combined with major project.In addition, the water absorbing properties for the foaming cement concrete layer material that backfill obtains are 2~4 (v/
V%), there is good waterproof performance, there is independent closed air bubbles and good globality, can further improve material
The performances such as waterproof, heat preservation, sound insulation.
Embodiment 2
It is compared with embodiment 1, difference is, it foams by following weight ratio and foamed concrete is made:
The cement is portland cement.
The water-retaining agent is polyacrylamide.
The material bulk density for backfilling obtained foamed concrete layer is about 280kg/m3。
The thermal coefficient for backfilling the obtained material of foamed concrete layer is 0.12W/ (M.K), can cast-in-site construction, with
Major project is tightly combined.In addition, the water absorbing properties of material made from the present embodiment are 5~6 (v/v%), have good anti-
Aqueous energy, has independent closed air bubbles and good globality, can further improve waterproof, heat preservation, sound insulation of material etc.
Performance.
Embodiment 3
It is compared with embodiment 1, difference is, it foams by following weight ratio and foamed concrete is made:
The cement is portland cement.
The water-retaining agent is polyacrylamide.
The material bulk density for backfilling obtained foamed concrete layer is about 290kg/m3。
The thermal coefficient for backfilling the obtained material of foamed concrete layer is 0.15W/ (M.K), can cast-in-site construction, with
Major project is tightly combined.In addition, the water absorbing properties of material made from the present embodiment are 6~7 (v/v%), have good anti-
Aqueous energy, has independent closed air bubbles and good globality, can further improve waterproof, heat preservation, sound insulation of material etc.
Performance.
Embodiment 4
It is compared with embodiment 1, difference is, speed of agitator 30r/min；Foam to added water volume 550~
600%.
Foamed cement packing material bulk density obtained is about 260kg/m3。
Backfilling the obtained material thermal conductivity of foamed concrete layer is 0.23W/ (M.K), can cast-in-site construction, with master
Body engineering is tightly combined.In addition, the material water absorbing properties for the foamed concrete layer that backfill obtains are 9~10 (v/v%), have
Good waterproof performance has independent closed air bubbles and good globality, can further improve the waterproof of material, protect
The performances such as temperature, sound insulation.
Embodiment 5
It is compared with embodiment 1, difference is, speed of agitator 150r/min；Foam to added water volume 550~
600%.
The material bulk density for backfilling obtained foamed concrete layer is about 270kg/m3。
The thermal coefficient for backfilling the obtained material of foamed concrete layer is 0.29W/ (M.K), can cast-in-site construction, with
Major project is tightly combined.In addition, the material water absorbing properties for the foamed concrete layer that the present embodiment backfills are 9~10 (v/
V%), there is good waterproof performance, there is independent closed air bubbles and good globality, can further improve material
The performances such as waterproof, heat preservation, sound insulation.
Comparative example 1
It is compared with embodiment 1, difference is, the parts by weight of dodecyl sodium sulfate are 3, and the parts by weight of sodium sulphate are 15.
Foamed cement packing material bulk density obtained is about 320kg/m3。
The waterproof effect for backfilling obtained foaming cement concrete layer is poor.
Comparative example 2
It is compared with embodiment 1, difference is, does not add the sodium sulphate of the parts by weight.
The water absorbing properties for backfilling obtained foaming cement concrete layer material are 20~21 (v/v%), and waterproof effect is poor.
Comparative example 3
It is compared with embodiment 1, difference is, does not add the dodecyl sodium sulfate of the parts by weight.
Foamed cement packing material bulk density obtained is larger；Backfill the water suction of the material of obtained foaming cement concrete layer
Performance is 23~24 (v/v%)；Waterproof effect is poor.
Comparative example 4
It is compared with embodiment 1, difference is, in foaming process, the revolving speed of stirring is 200r/min, foaming to added water
The 800~850% of volume.
The material bulk density for backfilling obtained foaming cement concrete layer is lower, and water absorbing properties are 20~20 (v/v%), waterproof
The effect is relatively poor.
Claims (3)
1. the cement foamed backfill structure in caisson type toilet, the reinforced concrete floor including bottom, positioned at reinforced concrete floor surface
Foaming cement concrete layer, and the ceramic tile surface layer of foaming cement concrete layer surface is set；The ceramic tile surface layer setting
There is closet；The closet bottom is provided with outlet, which passes through the primary draining being arranged in foaming cement concrete layer
The perforation connection of Guan Yuzhu downcomer；It is characterized in that, the foaming cement concrete layer is tilted to side, foamed cement coagulation
Fluted A is arranged in soil layer surface bottom；The foaming cement concrete layer is along inclined direction provided with a plurality of groove B；Groove A
Intersect with each groove B；The bottom of groove A is provided with collector nozzle, and the collector nozzle is by being arranged inside foaming cement concrete layer
Secondary drainage Guan Yuzhu downcomer penetrate through connection；
The foaming cement concrete layer is foamed by light foaming cement packing material；
The light foaming cement packing material, by weight, comprising:
The blowing promotor is selected from dodecyl sodium sulfate；
The tilt angle of the foaming cement concrete layer is 2~4 °；
Its further groove B is U-shaped groove；Each groove B is along inclined direction to be arranged in parallel；The distance between groove B is 2~3cm；
Its further groove A is in broken line；Angle between broken line is in obtuse angle；The bending part of the broken line is close to foaming cement concrete
Layer surface bottom；
The bending part bottom of groove A is arranged in collector nozzle described in groove A；
Wherein the ceramic tile surface layer is equipped with several cut-out openings；
Wherein the bulk density of the light foaming cement packing material is 250~300kg/m3。
2. a kind of earth-filling method of the cement foamed backfill structure in caisson type toilet described in claim 1, which is characterized in that including
Following steps:
Step (1): stringing:
Drainpipe, secondary drainage pipe and the main downcomer are set；
Step (2): the light foaming cement foaming:
Blowing promotor and sodium sulphate are dissolved in water, foamed under 30~150r/min revolving speed to the 500 of added water volume
~600%, hydrophober, grey calcium, water-retaining agent are then added, adds cement after stirring again, continues to stir to obtain the foamed cement
Packing material；
Step (3): the foamed cement packing material that step (2) foaming obtains is backfilled to the space of step (1), surface is carried out
It arranges, forms the foaming cement concrete layer；
Step (4): in the foaming cement concrete layer installation closet and the ceramic tile surface layer；Complete caisson type toilet
Cement foamed backfill；
Wherein the hydrophober is stearate；
The water-retaining agent is at least one of polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate.
3. the earth-filling method of the cement foamed backfill structure in caisson type toilet as claimed in claim 2, which is characterized in that by 1
The dodecyl sodium sulfate of parts by weight and the sodium sulphate of 5 parts by weight are dissolved in the water of 200 parts by weight, in 100~120r/min
Foaming is to the 500~550% of added water volume under revolving speed, then add the hydrophober of 5 parts by weight, the grey calcium of 0.5 parts by weight,
The water-retaining agent of 1 parts by weight adds the cement of 220~250 parts by weight again after stirring, continue the foamed cement filling for stirring described
Material.
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| CN109424153A (en) * | 2017-08-30 | 2019-03-05 | 上海质优新型建材有限公司 | A kind of permeability steel slag concrete combined type tile floor |
| CN108661154A (en) * | 2018-06-11 | 2018-10-16 | 宋正国 | Caisson type bathroom hidden pipe plant fermentation drain valve |
| CN108863192A (en) * | 2018-08-10 | 2018-11-23 | 浙江共创建材科技有限公司 | A kind of use in toilet backfill foam concrete |
| CN108947400A (en) * | 2018-08-13 | 2018-12-07 | 上海茜梓建材科技有限公司 | A kind of floor heating, sedimentation compartment, ground, roofing light-weight water-proof fill alignment material |
| CN109113298A (en) * | 2018-08-17 | 2019-01-01 | 长沙三树新材料科技有限公司 | A kind of toilet backfill construction technology |
| CN109265059A (en) * | 2018-10-12 | 2019-01-25 | 湖南多彩建材股份有限公司 | A kind of toilet backfills the foaming method of foamed cement foaming agent and foamed cement |
| CN109534746A (en) * | 2018-12-11 | 2019-03-29 | 重庆老顽固实业有限公司 | Toilet liquid foam backfilling material and preparation method thereof |
| CN109734383A (en) * | 2019-03-18 | 2019-05-10 | 中交一公局集团有限公司 | The mix and preparation method thereof that raw material, the caisson of caisson backfill backfill |
| CN110984308A (en) * | 2019-11-19 | 2020-04-10 | 上海宝冶集团有限公司 | Anti-leakage process for removing deposited water in toilet |
| CN114702280A (en) * | 2022-04-13 | 2022-07-05 | 湖南省富民乐建材科技发展有限公司 | Light foaming filling material for caisson type toilet |
| CN114790825A (en) * | 2022-04-13 | 2022-07-26 | 湖南省富民乐建材科技发展有限公司 | Production and construction method for backfill of caisson type toilet |
| CN114685183B (en) * | 2022-05-13 | 2023-03-28 | 湖南省富民乐建材科技发展有限公司 | Light foaming filling method |
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