CN109610655A - Exterior wall prefabricated hollow waterproof construction and its construction method - Google Patents
Exterior wall prefabricated hollow waterproof construction and its construction method Download PDFInfo
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- CN109610655A CN109610655A CN201811388876.2A CN201811388876A CN109610655A CN 109610655 A CN109610655 A CN 109610655A CN 201811388876 A CN201811388876 A CN 201811388876A CN 109610655 A CN109610655 A CN 109610655A
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- wall
- polylactic acid
- waterproof
- shell
- cavity
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 88
- 239000004626 polylactic acid Substances 0.000 claims abstract description 88
- 239000002689 soil Substances 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims description 20
- 238000003032 molecular docking Methods 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- E04B1/665—Sheets or foils impervious to water and water vapor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a kind of exterior wall prefabricated hollow waterproof construction and its construction methods, external walls of building structure-design technique field, aim to solve the problem that waterproof joint filling layer enters the technical problem in watertight cavity, its key points of the technical solution are that being provided with polylactic acid shell in the watertight cavity, the polylactic acid housing upper surface fits with upper waterproof slope, and the lower surface of the polylactic acid shell and lower waterproof slope fit；Waterproof joint filling layer is provided in the cavity to be filled, side wall of the polylactic acid shell close to cavity direction to be filled fits with waterproof joint filling layer side wall；The polylactic acid shell is internally provided with soil block；When being poured concrete into cavity to be filled, concrete is offseted by polylactic acid shell, avoids concrete from flowing in watertight cavity, to limit the flowing of concrete；Waterproof joint filling layer is formed after concrete setting in cavity to be filled, effectively prevent waterproof joint filling layer to enter in watertight cavity to realize.
Description
Technical field
The present invention relates to external walls of building structure-design technique fields, more specifically, it relates to a kind of exterior wall prefabricated hollow
Waterproof construction and its construction method.
Background technique
Exterior wall is to be allowed to form the component of indoor and outdoor boundary for going along with sb. to guard him building.
Exterior wall prefabricated hollow waterproof construction is referring to Fig.1 in the prior art comprising lower wall 2 and upper wall 1, lower wall 2
The side in interior direction is provided with installation fluting 21, installation 21 bottom walls of fluting are used to support superimposed sheet 3；When superimposed sheet 3 is pacified
After dress, it is poured concrete in 3 upper surface of superimposed sheet, and form floor layer 31, floor layer 31 is sufficient filling with installation fluting 21；Floor
31 upper surface of layer are flush with lower 2 upper end wall of wall；Lower 2 upper surface of the wall and side for being located outside direction is provided with lower waterproof
Slope 22；It is installed between upper wall 1 and lower wall 2 by steel reinforcement abutting joints；Upper 1 lower end wall of wall is provided with waterproof slope
11, watertight cavity 5 is formed between upper waterproof slope 11 and lower waterproof slope 22；Between upper wall 1 and floor layer 31 there are
Cavity 4 to be filled forms waterproof joint filling layer 41 in case concrete is poured；To prevent concrete from entering in watertight cavity 5, waterproof
PE stick 7 is provided between cavity 5 and cavity to be filled 4.
But during construction personnel constructs at the scene, since PE stick 7 is rounded, and it is not easy to fix；When upper wall
After 1 installation, a part of PE stick 7 is fallen in watertight cavity 5, or even falls to outdoor, causes PE stick 7 always out of position
The phenomenon that；When being poured waterproof joint filling layer 41, concrete is poured at watertight cavity 5, and waterproof joint filling layer 41 is caused to enter waterproof
In cavity 5；Since concrete has permeability, rainwater infiltrates into interior through waterproof joint filling layer 41, therefore to be improved.
Summary of the invention
In view of the deficienciess of the prior art, to be designed to provide a kind of exterior wall prefabricated hollow anti-for first invention of the invention
Water-bound effectively prevent waterproof joint filling layer to enter the advantage in watertight cavity.
To achieve the above object, the present invention provides the following technical scheme that
A kind of exterior wall prefabricated hollow waterproof construction, including lower wall and upper wall, side of the lower wall close to indoor direction
It is provided with installation fluting, the installation fluting bottom wall is provided with superimposed sheet, floor layer, the floor are provided on the superimposed sheet
Cavity to be filled is formed between layer and upper wall lower end wall；It the lower wall upper surface and is provided with close to the side of outdoor direction
Lower waterproof slope, the lower surface of the upper wall is provided with upper waterproof slope corresponding with lower waterproof slope, described
Watertight cavity is formed between lower waterproof slope and upper waterproof slope；Polylactic acid shell, institute are provided in the watertight cavity
It states polylactic acid housing upper surface to fit with upper waterproof slope, the lower surface of the polylactic acid shell and lower waterproof slope phase
Fitting；Waterproof joint filling layer, side wall of the polylactic acid shell close to cavity direction to be filled are provided in the cavity to be filled
It fits with waterproof joint filling layer side wall；The polylactic acid shell is internally provided with soil block.
By using above-mentioned technical proposal, when being poured concrete into cavity to be filled, concrete is by polylactic acid shell phase
It supports, concrete is avoided to flow in watertight cavity, to limit the flowing of concrete；It is formed after concrete setting in cavity to be filled
Waterproof joint filling layer effectively prevent waterproof joint filling layer to enter in watertight cavity to realize.It is produced between polylactic acid shell and soil block
Raw microbial reaction, so that polylactic acid be made to degrade；Since lower waterproof slope is inclined to set, to make most of soil from anti-
It is skidded off in water cavity；It is in cavity state in watertight cavity when soil is run off completely away from out of watertight cavity, avoids rainwater along anti-
Water joint filling joint filling layer penetrates into interior.On the other hand, the heavier-weight of soil block effectively avoids the sliding of polylactic acid shell.
Further, if the inner sidewall of the polylactic acid shell is provided with dry contact groove.
By using above-mentioned technical proposal, increase the contact area of polylactic acid shell and soil, improves polylactic acid shell drop
The rate of solution.
Further, the polylactic acid shell is provided with several ventilating microholes far from the end wall in waterproof joint filling layer direction.
By using above-mentioned technical proposal, communicate with the outside world the inside of polylactic acid shell, convenient for the entrance of outside air,
The supplement for improving oxygen, further increases the degradation rate of polylactic acid shell.
Further, the shell wall that the polylactic acid shell and lower waterproof slope, upper waterproof slope fit is to soil
Block direction recess is provided with extending flute body.
By using above-mentioned technical proposal, the use of soil can be effectively reduced, convenient for the carrying of polylactic acid shell.
Further, the shell wall that the polylactic acid shell and upper wall lower end wall fit, which is provided with, launches hole.
By using above-mentioned technical proposal, soil is placed on the inside of polylactic acid shell through launching hole, in order to by soil
It is placed on the inside of polylactic acid shell.
Further, dispensing hole inner sidewall is fixedly installed polylactic acid capping.
By using above-mentioned technical proposal, capping will launch hole and block, so that soil be avoided to fall from polylactic acid shell
It falls.
Further, all the polylactic acid shells are arranged along watertight cavity length direction, the polylactic acid shell and anti-
The shell wall that water joint filling layer fits is positioning shell wall, and the positioning shell wall is integrally formed along the two sides of watertight cavity length direction to be set
It is equipped with buttcover plate.
By using above-mentioned technical proposal, buttcover plate effectively extends the length of positioning shell wall, to reduce polylactic acid shell
Use.
Further, the one end in the remotely located shell wall direction of the buttcover plate is provided with docking fluting.
By using above-mentioned technical proposal, when buttcover plate docks, docking fluting inner sidewall is bonded to each other, to avoid docking
There are gaps between plate, and concrete is avoided to enter in watertight cavity.
Another goal of the invention of the invention is to provide a kind of applying applied to above-mentioned exterior wall prefabricated hollow waterproof construction
Work technique effectively prevent waterproof joint filling layer to enter the advantage in watertight cavity.
A kind of construction technology applied to above-mentioned exterior wall prefabricated hollow waterproof construction, steps are as follows:
S100, firstly, superimposed sheet is carried on installation fluting bottom wall by tower crane；Then, in superimposed sheet upper concrete,
Concrete at installation fluting is sufficient filling with installation fluting, and finally, the concrete setting of superimposed sheet upper forms floor
Layer；The upper surface of floor layer and the upper surface of lower wall are flush；
Polylactic acid shell is placed on lower waterproof slope by S200；
Upper wall is hoisted to the top of lower wall by tower crane by S300, passes through reinforcing bar realization pair between upper wall and lower wall
It connects；At this point, polylactic acid shell is clamped between waterproof slope and lower waterproof slope；The lower end wall and floor of upper wall
Cavity to be filled is formed between layer；
S400 injects concrete into cavity to be filled, and polylactic acid shell offsets with concrete, to limit concrete flowing
Position；Concrete setting in cavity to be filled is at waterproof joint filling layer；
S500, microorganism generates biodegrade to polylactic acid shell in soil block, and by 6-12 months, polylactic acid shell was degraded
Entirely.
By using above-mentioned technical proposal, when being poured concrete into cavity to be filled, concrete is by polylactic acid shell phase
It supports, concrete is avoided to flow in watertight cavity, to limit the flowing of concrete；It is formed after concrete setting in cavity to be filled
Waterproof joint filling layer effectively prevent waterproof joint filling layer to enter in watertight cavity to realize.
Further, increase step S600 after step S500；
Soil is discharged out of watertight cavity after the degradation completely of polylactic acid shell by S600.
By using above-mentioned technical proposal, soil is discharged out of watertight cavity, to avoid soil connection watertight cavity and
Waterproof joint filling layer realizes better waterproof effect so that rainwater be avoided to infiltrate into waterproof joint filling layer through soil.
In conclusion the invention has the following advantages:
1, the concrete in cavity to be filled is limited by polylactic acid shell, is entirely located in concrete in cavity to be filled, through solidifying
Gu waterproof joint filling layer is formed after, so that waterproof joint filling layer effectively be avoided to enter in watertight cavity；
2, by being provided with buttcover plate on positioning shell wall, and it is provided on buttcover plate docking fluting, it is effectively fixed reaching
On the basis of the concreting position of position, the usage quantity of polylactic acid shell is effectively reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram of exterior wall prefabricated hollow waterproof construction in background technique；
Fig. 2 is the schematic diagram of exterior wall prefabricated hollow waterproof construction in embodiment；
Fig. 3 is in embodiment for embodying the structural schematic diagram of connection relationship between adjacent polylactic acid shell；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is in embodiment for embodying the structural schematic diagram of positional relationship between watertight cavity and cavity to be filled；
Fig. 6 is the enlarged drawing of part B in Fig. 5；
Fig. 7 is the enlarged drawing of C portion in Fig. 6.
In figure: 1, upper wall；11, upper waterproof slope；2, lower wall；21, installation fluting；22, lower waterproof slope；3,
Superimposed sheet；31, floor layer；4, cavity to be filled；41, waterproof joint filling layer；5, watertight cavity；6, polylactic acid shell；61, it contacts recessed
Slot；62, ventilating microhole；63, extending flute body；64, hole is launched；641, polylactic acid capping；65, soil block；66, shell is positioned
Wall；661, buttcover plate；6611, docking fluting；7, PE stick.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment:
A kind of exterior wall prefabricated hollow waterproof construction, referring to Fig. 2 comprising lower wall 2 and upper wall 1, lower wall 2 is close to interior side
To side be provided with installation fluting 21, installation fluting 21 bottom walls be provided with superimposed sheet 3, floor layer 31 is provided on superimposed sheet 3,
Floor layer 31 in 3 upper concrete of superimposed sheet by being made；The upper surface of floor layer 31 and lower 2 upper surface of wall are flush；
Cavity 4 to be filled is formed between 1 lower end wall of floor layer 31 and upper wall.
Referring to figure 5 and figure 6, lower 2 upper surface of wall and the side of outdoor direction is provided with lower waterproof slope 22, on
The lower surface of wall 1 is provided with waterproof slope 11, and upper waterproof slope 11 and lower waterproof slope 22 are corresponding；Lower waterproof
Watertight cavity 5 is formed between slope 22 and upper waterproof slope 11；Polylactic acid shell 6, polylactic acid are provided in watertight cavity 5
The upper surface of shell 6 fits with upper waterproof slope 11, and the lower surface of polylactic acid shell 6 and lower waterproof slope 22 are affixed
It closes.
Referring to figure 5 and figure 6, waterproof joint filling layer 41 is provided in cavity 4 to be filled, waterproof joint filling layer 41 is poured by concrete
Solidification is made；Side wall of the polylactic acid shell 6 close to 4 direction of cavity to be filled fits with 41 side wall of waterproof joint filling layer, polylactic acid
When shell 6 is for limiting casting waterproof joint filling layer 41, the position of concrete flowing；To effectively prevent waterproof joint filling layer 41 to enter
The inside of watertight cavity 5.
Referring to figure 5 and figure 6, polylactic acid shell 6 is internally provided with soil block 65, microorganism in soil block 65 and poly- cream
Biodegrade occurs for the polylactic acid in sour shell 6, and soil is manually rooted out or rainwater constantly sprays, so that soil is empty from waterproof
Discharge in chamber 5；Due in watertight cavity 5 without waterproof joint filling layer 41, so that rainwater be avoided to infiltrate into room along waterproof joint filling floor 41
It is interior.
Referring to Fig. 7, if the inner sidewall of polylactic acid shell 6 is provided with dry contact groove 61, to improve polylactic acid shell 6 and mud
The contact area of soil block 65 accelerates the degradation of polylactic acid shell 6.
Referring to Fig. 6, polylactic acid shell 6 is provided with several ventilating microholes 62 far from the end wall in 41 direction of waterproof joint filling layer,
Can enter outside air in soil, degradation speed of the microorganism to polylactic acid shell 6 in raising soil.
Referring to Fig. 6, shell wall that polylactic acid shell 6 and lower waterproof slope 22, upper waterproof slope 11 fit is to soil
65 direction of block recess is provided with extending flute body 63, to reduce the usage amount of soil in soil block 65, in order to which the later period is to soil
Cleaning.
Referring to figure 6 and figure 7, the shell wall that polylactic acid shell 6 and upper 1 lower end wall of wall fit, which is provided with, launches hole 64, with
The inside of polylactic acid shell 6 is put into convenient for soil；It launches 64 inner sidewall of hole and polylactic acid capping 641 is provided with by cementation, with
It blocks and launches hole 64, soil is avoided to fall from polylactic acid shell 6.
Referring to Fig. 2 and Fig. 3, whole polylactic acid shells 6 are arranged along 5 length direction of watertight cavity, polylactic acid shell 6 and waterproof
The shell wall that joint filling layer 41 fits is positioning shell wall 66, and positioning shell wall 66 is integrally formed along the two sides of 5 length direction of watertight cavity
There is buttcover plate 661, to extend the area of positioning shell wall 66.
Referring to Fig. 3 and Fig. 4, the one end in remotely located 66 direction of shell wall of buttcover plate 661 is provided with docking fluting 6611, phase
Two adjacent buttcover plates 661 are avoided by docking fluting 6611 phases clamping to avoid generating gap at 661 docking of buttcover plate
Concrete enters in watertight cavity 5.
A kind of construction technology applied to above-mentioned exterior wall prefabricated hollow waterproof construction, steps are as follows:
S100, firstly, superimposed sheet 3 is carried on installation 21 bottom walls of fluting by tower crane；Then, mixed in 3 upper of superimposed sheet
Solidifying soil, the concrete at installation fluting 21 are sufficient filling with installation fluting 21, and finally, the concrete of 3 upper of superimposed sheet is solidifying
Solid is at floor layer 31；The upper surface of floor layer 31 and the upper surface of lower wall 2 are flush；
Polylactic acid shell 6 is placed on lower waterproof slope 22 by S200；And due to the heavier-weight of soil block 65, avoid
The sliding of polylactic acid shell 6；Buttcover plate 661 on adjacent polylactic acid shell 6 is connected to each other, and docking 6611 inner sidewalls of fluting mutually paste
It closes, to make positioning shell wall 66 and buttcover plate 661 effectively keep out the concrete in cavity 4 to be filled, to prevent waterproof joint filling
Layer 41 enters in watertight cavity 5；
Upper wall 1 is hoisted to the top of lower wall 2 by tower crane by S300, passes through reinforcing bar reality between upper wall 1 and lower wall 2
Now dock；At this point, polylactic acid shell 6 is clamped between waterproof slope 11 and lower waterproof slope 22；Under upper wall 1
Cavity 4 to be filled is formed between end wall and floor layer 31；
S400 injects concrete into cavity 4 to be filled, the positioning shell wall 66 and buttcover plate 661 on polylactic acid shell 6 with it is mixed
Solidifying soil offsets, to limit the position of concrete flowing；Concrete setting in cavity 4 to be filled is at waterproof joint filling layer 41；
S500, microorganism generates biodegrade to polylactic acid shell 6 in soil block 65, and by 6-12 months, polylactic acid shell 6 dropped
Solution is complete；Only soil is located in watertight cavity 5, and since lower waterproof slope 22 is inclined, most of soil is from waterproof
It is skidded off in cavity 5；
S600, after polylactic acid shell 6 is degraded completely, by way of manually being rooted out to the soil in watertight cavity 5 or rain
The mode that water constantly sprays, or manually in such a way that hydraulic giant impacts the soil in watertight cavity 5, by soil from waterproof
Discharge in cavity 5.
When due to injecting concrete into cavity 4 to be filled, concrete is offseted by positioning shell wall 66 and buttcover plate 661, from
And concrete is avoided to enter in watertight cavity 5；Concrete setting in cavity 4 to be filled forms waterproof joint filling layer 41, thus real
Existing effect avoids waterproof joint filling layer 41 from entering in watertight cavity 5, improves the waterproof effect of exterior wall.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of exterior wall prefabricated hollow waterproof construction, including lower wall (2) and upper wall (1), the lower wall (2) is close to indoor
The side in direction is provided with installation fluting (21), and described installation fluting (21) bottom wall is provided with superimposed sheet (3), the superimposed sheet
(3) it is provided on floor layer (31), forms cavity to be filled (4) between the floor layer (31) and upper wall (1) lower end wall；Institute
It states lower wall (2) upper surface and the side of outdoor direction is provided with lower waterproof slope (22), under the upper wall (1)
Surface is provided with upper waterproof slope (11) corresponding with lower waterproof slope (22), the lower waterproof slope (22) and upper
Watertight cavity (5) are formed between waterproof slope (11)；It is characterized by: being provided with polylactic acid shell in the watertight cavity (5)
Body (6), polylactic acid shell (6) upper surface fit with upper waterproof slope (11), the following table of the polylactic acid shell (6)
Face and lower waterproof slope (22) fit；Waterproof joint filling layer (41), the polylactic acid are provided in the cavity to be filled (4)
Side wall of the shell (6) close to cavity to be filled (4) direction fits with waterproof joint filling layer (41) side wall；The polylactic acid shell
(6) be internally provided with soil block (65).
2. exterior wall prefabricated hollow waterproof construction according to claim 1, it is characterised in that: the polylactic acid shell (6)
If inner sidewall is provided with dry contact groove (61).
3. exterior wall prefabricated hollow waterproof construction according to claim 1, it is characterised in that: the polylactic acid shell (6) is remote
End wall from waterproof joint filling layer (41) direction is provided with several ventilating microholes (62).
4. exterior wall prefabricated hollow waterproof construction according to claim 1, it is characterised in that: the polylactic acid shell (6) with
The shell wall that lower waterproof slope (22), upper waterproof slope (11) fit to soil block (65) direction recess be provided with extend it is recessed
Groove body (63).
5. exterior wall prefabricated hollow waterproof construction according to claim 1, it is characterised in that: the polylactic acid shell (6) with
The shell wall that upper wall (1) lower end wall fits, which is provided with, launches hole (64).
6. exterior wall prefabricated hollow waterproof construction according to claim 5, it is characterised in that: dispensing hole (64) inner sidewall
It is fixedly installed polylactic acid capping (641).
7. exterior wall prefabricated hollow waterproof construction according to claim 1, it is characterised in that: all polylactic acid shells
(6) it is arranged along watertight cavity (5) length direction, the shell wall that the polylactic acid shell (6) fits with waterproof joint filling layer (41) is
It positions shell wall (66), positioning shell wall (66) is integrally formed along the two sides of watertight cavity (5) length direction is provided with buttcover plate
(661)。
8. exterior wall prefabricated hollow waterproof construction according to claim 7, it is characterised in that: the buttcover plate (661) is separate
The one end in positioning shell wall (66) direction is provided with docking fluting (6611).
9. a kind of construction technology applied to the described in any item exterior wall prefabricated hollow waterproof constructions of claim 1-8, feature
It is, steps are as follows:
S100, firstly, superimposed sheet (3) is carried on installation fluting (21) bottom wall by tower crane；Then, on superimposed sheet (3)
It is poured concrete, is located at the concrete at installation fluting (21) and is sufficient filling with installation fluting (21), finally, superimposed sheet pours on (3)
The concrete setting of note forms floor layer (31)；The upper surface of floor layer (31) and the upper surface of lower wall (2) are flush；
Polylactic acid shell (6) is placed on lower waterproof slope (22) by S200；
Upper wall (1) is hoisted to the top of lower wall (2) by tower crane by S300, is led between upper wall (1) and lower wall (2)
It crosses reinforcing bar and realizes docking；At this point, polylactic acid shell (6) be clamped in waterproof slope (11) and lower waterproof slope (22) it
Between；Cavity to be filled (4) are formed between the lower end wall and floor layer (31) of upper wall (1)；
S400 injects concrete into cavity to be filled (4), and polylactic acid shell (6) offsets with concrete, to limit concrete
The position of flowing；Concrete setting in cavity (4) to be filled is at waterproof joint filling layer (41)；
S500, soil block (65) interior microorganism generate biodegrade to polylactic acid shell (6), by 6-12 months, polylactic acid shell
Body (6) degradation is complete.
10. the construction technology of exterior wall prefabricated hollow waterproof construction according to claim 9, it is characterised in that: in step
Increase step S600 after S500；
S600, after polylactic acid shell (6) degradation completely, the discharge out of watertight cavity (5) by soil.
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| CN201811388876.2A CN109610655B (en) | 2018-11-21 | 2018-11-21 | Outer wall prefabricated cavity waterproof structure and construction method thereof |
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| CN207582663U (en) * | 2017-10-13 | 2018-07-06 | 辽宁省建筑设计研究院有限责任公司 | Connecting elements between concrete folding plate and shear wall Side fascia |
| CN108432538A (en) * | 2018-03-30 | 2018-08-24 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Revegetation breeding apparatus and implementation |
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