CN207017319U - A kind of waterproof construction of waterproof or weak permeable place building foundation pit - Google Patents
A kind of waterproof construction of waterproof or weak permeable place building foundation pit Download PDFInfo
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- CN207017319U CN207017319U CN201720955409.8U CN201720955409U CN207017319U CN 207017319 U CN207017319 U CN 207017319U CN 201720955409 U CN201720955409 U CN 201720955409U CN 207017319 U CN207017319 U CN 207017319U
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Abstract
It the utility model is related to building foundation pit waterproof technique field, the waterproof construction of a kind of waterproof or weak permeable place building foundation pit is disclosed, foundation ditch fertilizer trench bottom sets bottom plate confining bed, top sets fertile groove backfill layer, bottom plate confining bed separates the bottom plate of building basement and foundation ditch fertilizer groove, fertile groove backfill layer bottom sets weeper drain layer, the water of fertile groove is dropped into collection and catch pit is imported by bailing pipe, bottom plate confining bed top surface is higher than plate top surface, some grooves that draw water are set between bottom plate and bottom of foundation ditch, the interior filling cobble of the groove that draws water, bailing pipe is set on bottom plate, bailing pipe connects through bottom plate and with the groove that draws water, connecting bottom board drainage mechanism at the top of bailing pipe, bottom plate drainage mechanism connects with catch pit inside building basement.The utility model is simple and reliable for structure, and the cheap and later stage is non-maintaining, service life length, effectively prevent foundation ditch energy building basement bottom and ponding occurs and cause the situation of buoyancy to occur, saved equipment investment and later maintenance cost.
Description
Technical field
Building foundation pit waterproof technique field is the utility model is related to, more particularly to a kind of waterproof or weak permeable place building
The waterproof construction of foundation ditch.
Background technology
Basement is built in waterproof or weak water penetration place, and engineering project of the place without level of ground water, geological mapping
Report typically can propose that clear and definite building basement anti-floating is set according to the situation of perched water in region hydrological data and place
Count water level value, it is desirable to Anti-floating design is carried out during Architectural Structure Design, is allowed to possess corresponding anti-floating performance.Building structure is because of anti-floating
Design（Such as water resistant plate, anti-floating pile, anti-float anchor rod）And formed Civil Cost, the increase of construction period, difficulty of construction be
It is very big.In clear and definite basement depth bounds without it is constant actively descend water level in the case of, if can with it is effective, reliable, hold
The underground ponding that long measure prevents in building foundation pit is present, then can cancel or weaken building structure anti-floating performance significantly setting
Meter, so as to obtain the larger saving in terms of Civil Cost, construction period and difficulty of construction.
The application proposes a kind of waterproof construction of building foundation pit, suitable for actively descending water without constant in the range of foundation depth
The situation of position.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of waterproof or weak permeable field
The waterproof construction of ground building foundation pit, simple and reliable for structure, the cheap and later stage is non-maintaining, service life length, effectively prevents
There is ponding and causes the situation of buoyancy to occur in building basement bottom in foundation ditch, saved equipment investment and later maintenance into
This.
The technical solution adopted in the utility model is such：A kind of waterproof of waterproof or weak permeable place building foundation pit
Structure, bottom plate confining bed is provided with the bottom of foundation ditch fertilizer groove, top is provided with fertile groove backfill layer, and bottom plate confining bed will build ground
The bottom plate of lower room and the fertile groove of foundation ditch are kept apart, and the bottom plate confining bed top surface is higher than the top surface of bottom plate, the bottom plate and base
Some grooves that draw water are provided between the bottom of hole, cobble is filled with the groove that draws water, some bailing pipes is provided with the bottom plate,
The bailing pipe is connected through bottom plate and with the groove that draws water, and bottom plate drainage mechanism, the bottom plate draught engine are connected with the top of bailing pipe
Structure connects with the catch pit inside building basement.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the bottom land that draws water
Face and side covering are provided with filter layer, and the bottom of the tube covering that draws water is provided with filter layer.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, it is each described to draw water
Groove is circular cone flute profile or inverted trapezoidal flute profile；When the groove that draws water is circular cone flute profile, lower diameter is small, and upper diameter is big, circular cone flute profile
The groove that draws water be spaced and be uniformly arranged in bottom plate coverage, be interconnected between the adjacent groove that draws water；When the groove that draws water is inverted trapezoidal
During flute profile, the groove that draws water of some inverted trapezoidal flute profiles is arranged to along floor length direction, is arranged to some along baseplate width direction
The groove that draws water of bar inverted trapezoidal, the groove that draws water of length direction staggeredly connect with the groove that draws water of width.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, in foundation ditch fertilizer bottom land
Portion is additionally provided with weeper drain layer, and the surrounding exterior wall and foundation ditch inwall of the side of weeper drain layer respectively with building basement connect
Touch, the weeper drain layer bottom surface is contacted with bottom plate confining bed top surface, and cobble, the exterior wall are filled with the weeper drain layer
On be provided with some bailing pipes, described bailing pipe one end is through exterior wall and is connected with the bottom of weeper drain layer, bailing pipe another end
Exterior wall's drainage mechanism is connected with, the exterior wall's drainage mechanism connects with the catch pit inside building basement.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the bottom plate draining
Mechanism is collector pipe, is opened in the collecting channel of base plate interior or is opened in the groove that catchments of plate upper surface；The exterior wall
Drainage mechanism is collector pipe, the collecting channel that is opened in inside exterior wall or to be opened in catchmenting for outer sole surface within the walls logical
Groove.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, on the exterior wall
Bailing pipe is obliquely installed, and the connection end of bailing pipe and collector pipe is less than the connection end of bailing pipe and weeper drain layer, described to draw water
The connection end covering of pipe and weeper drain layer is provided with filter layer.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the weeper drain
The bottom and side wall of layer are provided with coiled material class waterproof layer.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the weeper drain
The top of layer is provided with french drain layer top plate, and the top surface of the weeper drain layer contacts with the bottom surface of fertile groove backfill layer, described to catchment
Filter layer is provided between french drain layer and french drain layer top plate.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the fertile groove backfill
Layer top surface is provided with fertile groove closing top plate, and the width of the fertile groove closing top plate is more than the width of foundation ditch fertilizer groove, and with building ground
The exterior wall of lower room surrounding is tightly connected, and the fertile groove backfill layer is made up of non-permeable soil or impermeability conditioned soil.
The waterproof construction of described in the utility model a kind of waterproof or weak permeable place building foundation pit, the fertile groove closing
Top plate is obliquely installed, and its outer end is less than the inner.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：The utility model structure
Simple and reliable, the cheap and later stage is non-maintaining, service life length, effectively prevent the appearance of foundation ditch energy building basement bottom
Ponding and cause the situation of buoyancy to occur, after setting structure of the present utility model, building can not separately make Anti-floating design, save soil
Build investment, project duration, drainage of foundation pit equipment and later maintenance cost.
Brief description of the drawings
Fig. 1 is the utility model structural profile illustration；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1.
Marked in figure：1 is bottom plate confining bed, and 2 be that fertile groove backfills layer, and 3 be bottom plate, and 4 be the groove that draws water, and 5 be cobble, and 6 be to draw
Water pipe, 7 be filter layer, and 8 be weeper drain layer, and 9 be exterior wall, and 10 be collector pipe, and 11 be coiled material class waterproof layer, and 12 be french drain layer top
Plate, 13 be that fertile groove closes top plate.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figures 1 to 3, a kind of waterproof or weak permeable place building foundation pit waterproof construction, at the bottom of foundation ditch fertilizer groove
Portion is provided with bottom plate confining bed 1, and bottom plate confining bed 1 is made up of water-proof concrete, and top is provided with fertile groove backfill layer 2, bottom plate envelope
Layer 1 is closed to keep apart the fertile groove of the bottom plate 3 of building basement and foundation ditch, the top surface of bottom plate confining bed 1 is higher than the top surface of bottom plate 3,
Bottom plate confining bed 1 can effectively avoid the ponding in foundation ditch fertilizer groove from entering below the bottom plate 3 of building basement, bottom plate confining bed 1
Interior settable reinforcing bar is provided with some grooves 4 that draw water, specifically will herein to lift its cracking resistance between bottom plate 3 and bottom of foundation ditch
The groove 4 that draws water is opened on base plate of foundation pit foundation soil, and cobble 5 is filled with the groove 4 that draws water, and the particle size range of cobble 5 is 20mm~50mm,
Filling cobble 5 both serves supporting role, serves the effect of filtering again, some bailing pipes 6, bailing pipe 6 are provided with bottom plate 3
Connected through bottom plate 3 and with the groove 4 that draws water, the top of bailing pipe 6 is connected with bottom plate drainage mechanism, bottom plate drainage mechanism and building underground
The catch pit of chamber interior（Not shown in figure）Connection, be arranged such so that draw water the ponding in groove 4 can natural thinning drain into building
In catch pit inside basement；The bottom surface for the groove 4 that draws water and side covering are provided with filter layer 7, the covering of the bottom of bailing pipe 6 is set
Filter layer 7 is equipped with, filter layer 7 is made up of inorganic material, and filter layer 7 is specifically configured to geotextiles herein, and filter layer 7 further serves as
The effect of filtering is arrived so that the particle diameter for entering the water impurities to draw water in groove 4 is restricted, and effectively prevents the bottom of bailing pipe 6
The blocked inlet in portion；The fertile groove backfill top surface of layer 2 is provided with fertile groove closing top plate 13, fertile groove closing top plate 13 is specifically mixed by waterproof
Solidifying soil is formed, and double-layer double-direction bar-mat reinforcement is set in water-proof concrete, and the width of fertile groove closing top plate 13 is more than foundation ditch fertilizer groove
Width, and be tightly connected with the exterior wall 9 of building basement surrounding, the outer end bottom of fertile groove closing top plate 13 is provided with downward
Lug boss, can prevent water from along fertile groove closing top plate 13 bottom surface and flow to fertile groove to backfill layer 2, fertile groove backfill layer 2 by non-permeable soil or
Impermeability conditioned soil is formed, and fertile groove closing top plate 13 is obliquely installed, and its outer end is advantageous to excess surface water or rain less than the inner
Water guides to the direction away from foundation ditch fertilizer groove.
Further, the groove 4 that each draws water is circular cone flute profile or inverted trapezoidal flute profile；Draw water groove 4 specific constructive form according to
It is actually needed and specifically sets, when the groove 4 that draws water is circular cone flute profile, lower diameter is small, and upper diameter is big, and circular cone flute profile draws water
Groove 4 is spaced in the coverage of bottom plate 3 and is uniformly arranged, and each groove 4 that draws water is correspondingly arranged a bailing pipe 6, the adjacent groove 4 that draws water
Between be interconnected；When the groove 4 that draws water is inverted trapezoidal flute profile, some inverted trapezoidal flute profiles are arranged to along the length direction of bottom plate 3
Drawn water groove 4, and the groove 4 that draws water of some inverted trapezoidals, draw water groove 4 and the width side of length direction are arranged to along the width of bottom plate 3
To draw water groove 4 staggeredly connect, each some bailing pipes 6 of spaced set along its length of groove 4 that draw water, particular number root
Set according to actual conditions；Herein, the groove 4 that will specifically draw water is arranged to circular cone flute profile, is arranged such so that drawing water under bottom plate 3
The overall structure of groove 4 is more abundant reasonable, more efficient for the ponding white-out under bottom plate 3.
Further, be additionally provided with weeper drain layer 8 in foundation ditch fertilizer groove, the side of weeper drain layer 8 respectively with building
Surrounding exterior wall 9 and foundation ditch the inwall contact of basement, the bottom surface of weeper drain layer 8 contact with the top surface of bottom plate confining bed 1, weeper drain
Cobble 5 is filled with layer 8, the particle size range of cobble 5 is 20mm~100mm, can play support and mistake to the fertile groove backfill layer 2 on top
Filter acts on, and is provided with some bailing pipes 6 on exterior wall 9, and bailing pipe 6 is along the length direction spaced set of weeper drain layer 8, bailing pipe
6 one end connect through exterior wall 9 and with the bottom of weeper drain layer 8, and the another end of bailing pipe 6 is connected with exterior wall's drainage mechanism, exterior wall row
The catch pit of water dispenser structure and building basement（Not shown in figure）Connection；Bailing pipe 6 on exterior wall 9 is obliquely installed, bailing pipe 6 with
The connection end of collector pipe 10 is less than the connection end of bailing pipe 6 and weeper drain layer 8, the connection end of bailing pipe 6 and weeper drain layer 8
Covering is provided with filter layer 7, and filter layer 7 is made up of inorganic material, and filter layer 7 is specifically configured to geotextiles herein so that catchments
Ponding nature white-out in french drain layer 8 is more smooth, the blocked inlet of bailing pipe 6 is effectively prevented, in the bottom of weeper drain layer 8
And coiled material class waterproof layer 11 is provided with side wall so that the ponding to get off in foundation ditch fertilizer groove is accumulated in weeper drain layer 8, enters one
Step prevents ponding from entering building basement bottom plate bottom；Pass through above-mentioned setting so that the ponding in foundation ditch fertilizer groove is entering bottom plate 3
The just effectively catch pit inside white-out to building basement before lower section.
Further, bottom plate drainage mechanism is collector pipe 10, the collecting channel being opened in inside bottom plate 3（Not shown in figure）
Or it is opened in the groove that catchments of the upper surface of bottom plate 3（Not shown in figure）, cover plate is set on the groove that catchments（Not shown in figure）；Outside
Wall drainage mechanism is collector pipe 10, the collecting channel being opened in inside exterior wall 9（Not shown in figure）Or it is opened in pin in exterior wall 9
The groove that catchments of backplate surface（Not shown in figure）, that is, the groove that catchments is opened on bottom plate 3 and positioned at the surrounding of bottom plate 3 and exterior wall 9
The position of contact, cover plate is set on the groove that catchments（Not shown in figure）；Specifically, herein by bottom plate drainage mechanism and exterior wall's drainage
Mechanism is disposed as the structure type of collector pipe 10, and collector pipe 10 is arranged at the upper surface of bottom plate 3, in order to avoid collector pipe 10 is to building
The use for building basement is brought inconvenience, and one layer of isolation platform can be set up on collector pipe 10（Not shown in figure）.
Further, the top of weeper drain layer 8 is provided with french drain layer top plate 12, and french drain layer top plate 12 is specifically mixed by waterproof
Solidifying soil is formed, and double-layer double-direction bar-mat reinforcement is set in water-proof concrete, the top surface of weeper drain layer 8 and fertile groove backfill layer 2
Bottom surface contacts, and is provided with filter layer 7 between weeper drain layer 8 and french drain the layer top plate 12, filter layer 7 is by inorganic material structure
Into filter layer 7 is specifically configured to geotextiles herein；By above-mentioned setting, the backfill of fertile groove backfill layer 2 further effectively prevent
Soil falls into weeper drain layer 8 to be formed and blocks and block, and so as to ensure, current are unobstructed in whole weeper drain layer 8.
Set by the above-mentioned specific waterproof construction of the utility model, foundation ditch fertilizer groove ponding is effectively prevent, even if base
The situation that unexpected ponding occurs in fertile groove is cheated, causes ponding to enter the drawing water in groove 4 of weeper drain layer 8 and the bottom of bottom plate 3, also can be right
Above-mentioned ponding carries out effectively tissue and then natural thinning is drained into the catch pit inside building basement, it is ensured that around building and
The lower section of bottom plate 3 occurs without pressure-bearing property ponding, avoids ponding and forms buoyancy to building basement, saves building anti-floating component
（Such as water resistant bottom plate, anti-floating pile, anti-float anchor rod）, structure is in itself without any level sensor, pumping equipment equipment, by this knot
Structure construction after the completion of, place ground can permanent closure, without later maintenance overhaul, saved equipment cost and safeguard into
This.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. the waterproof construction of a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：Set in the bottom of foundation ditch fertilizer groove
It is equipped with bottom plate confining bed（1）, top is provided with fertile groove backfill layer（2）, bottom plate confining bed（1）By the bottom plate of building basement（3）
Keep apart with the fertile groove of foundation ditch, the bottom plate confining bed（1）Top surface is higher than bottom plate（3）Top surface, the bottom plate（3）With foundation ditch
Some grooves that draw water are provided between bottom（4）, the groove that draws water（4）It is interior to be filled with cobble（5）, the bottom plate（3）On be provided with
Some bailing pipes（6）, the bailing pipe（6）Through bottom plate（3）And with the groove that draws water（4）Connection, bailing pipe（6）Top is connected with bottom
Plate drainage mechanism, the bottom plate drainage mechanism connect with the catch pit inside building basement.
2. the waterproof construction of according to claim 1 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The groove that draws water（4）Bottom surface and side covering are provided with filter layer（7）, the bailing pipe（6）Bottom covering is provided with filter layer
（7）.
3. the waterproof construction of according to claim 2 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
Each groove that draws water（4）For circular cone flute profile or inverted trapezoidal flute profile；When the groove that draws water（4）For circular cone flute profile when, lower diameter is small, on
Portion's diameter is big, the groove that draws water of circular cone flute profile（4）In bottom plate（3）Interval is uniformly arranged in coverage, the adjacent groove that draws water（4）Between
It is interconnected；When the groove that draws water（4）For inverted trapezoidal flute profile when, along bottom plate（3）Length direction is arranged to some inverted trapezoidal flute profiles
Draw water groove（4）, along bottom plate（3）Width is arranged to the groove that draws water of some inverted trapezoidals（4）, the groove that draws water of length direction（4）
With the groove that draws water of width（4）Staggeredly connect.
4. the waterproof construction of a kind of waterproof or weak permeable place building foundation pit according to any one of claims 1 to 3, its
It is characterised by：Weeper drain layer is additionally provided with foundation ditch fertilizer trench bottom（8）, weeper drain layer（8）Side respectively with building ground
The surrounding exterior wall of lower room（9）Contacted with foundation ditch inwall, the weeper drain layer（8）Bottom surface and bottom plate confining bed（1）Top surface contacts,
The weeper drain layer（8）It is interior to be filled with cobble（5）, the exterior wall（9）On be provided with some bailing pipes（6）, the bailing pipe
（6）One end passes through exterior wall（9）And with weeper drain layer（8）Bottom connection, bailing pipe（6）Another end is connected with exterior wall's drainage machine
Structure, the exterior wall's drainage mechanism connect with the catch pit inside building basement.
5. the waterproof construction of according to claim 4 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The bottom plate drainage mechanism is collector pipe（10）, be opened in bottom plate（3）The collecting channel of inside is opened in bottom plate（3）Upper table
The groove that catchments in face；The exterior wall's drainage mechanism is collector pipe（10）, be opened in exterior wall（9）The collecting channel of inside opens up
In exterior wall（9）The groove that catchments of interior sole plate surface.
6. the waterproof construction of according to claim 4 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The exterior wall（9）On bailing pipe（6）It is obliquely installed, bailing pipe（6）With collector pipe（10）Connection end be less than bailing pipe（6）With
Weeper drain layer（8）Connection end, the bailing pipe（6）With weeper drain layer（8）Connection end covering be provided with filter layer
（7）.
7. the waterproof construction of according to claim 4 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The weeper drain layer（8）Bottom and side wall be provided with coiled material class waterproof layer（11）.
8. the waterproof construction of according to claim 4 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The weeper drain layer（8）Top be provided with french drain layer top plate（12）, the weeper drain layer（8）Top surface and fertile groove backfill
Layer（2）Bottom surface contact, the weeper drain layer（8）With french drain layer top plate（12）Between be provided with filter layer（7）.
9. the waterproof construction of according to claim 8 a kind of waterproof or weak permeable place building foundation pit, it is characterised in that：
The fertile groove backfill layer（2）Top surface is provided with fertile groove closing top plate（13）, the fertile groove closing top plate（13）Width be more than base
Cheat the width of fertile groove, and with the exterior wall of building basement surrounding（9）It is tightly connected, the fertile groove backfill layer（2）By non-permeable
Soil or impermeability conditioned soil are formed.
10. the waterproof construction of according to claim 9 a kind of waterproof or weak permeable place building foundation pit, its feature exist
In：The fertile groove closing top plate（13）It is obliquely installed, its outer end is less than the inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955409.8U CN207017319U (en) | 2017-08-02 | 2017-08-02 | A kind of waterproof construction of waterproof or weak permeable place building foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955409.8U CN207017319U (en) | 2017-08-02 | 2017-08-02 | A kind of waterproof construction of waterproof or weak permeable place building foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017319U true CN207017319U (en) | 2018-02-16 |
Family
ID=61477879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720955409.8U Active CN207017319U (en) | 2017-08-02 | 2017-08-02 | A kind of waterproof construction of waterproof or weak permeable place building foundation pit |
Country Status (1)
| Country | Link |
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| CN (1) | CN207017319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560610A (en) * | 2018-06-15 | 2018-09-21 | 中国电建集团成都勘测设计研究院有限公司 | The combined water proof drainage system of underground structure in overlying permeable stratum |
| CN113585292A (en) * | 2021-08-25 | 2021-11-02 | 江苏南通三建集团股份有限公司 | Construction process for preventing underground structure from floating when earth is backfilled |
| CN115506360A (en) * | 2022-10-19 | 2022-12-23 | 中国建筑第八工程局有限公司 | Backfill method for reducing settlement of basement fertilizer tank |
-
2017
- 2017-08-02 CN CN201720955409.8U patent/CN207017319U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560610A (en) * | 2018-06-15 | 2018-09-21 | 中国电建集团成都勘测设计研究院有限公司 | The combined water proof drainage system of underground structure in overlying permeable stratum |
| CN113585292A (en) * | 2021-08-25 | 2021-11-02 | 江苏南通三建集团股份有限公司 | Construction process for preventing underground structure from floating when earth is backfilled |
| CN115506360A (en) * | 2022-10-19 | 2022-12-23 | 中国建筑第八工程局有限公司 | Backfill method for reducing settlement of basement fertilizer tank |
| CN115506360B (en) * | 2022-10-19 | 2024-01-23 | 中国建筑第八工程局有限公司 | Backfilling method for reducing subsidence of fertilizer tank in basement |
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Address after: 610017 No. 4, floor 1, building 1, No. 28, dongchenggenxia street, Qingyang District, Chengdu, Sichuan Patentee after: Chengdu architectural design and Research Institute Co.,Ltd. Address before: No.16, dongyuheyan street, Qingyang District, Chengdu, Sichuan 610017 Patentee before: CHENGDU ARCHITECTURAL DESIGN & Research Institute |