CN210658748U - Waterproof construction structure of building gap - Google Patents

Waterproof construction structure of building gap Download PDF

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Publication number
CN210658748U
CN210658748U CN201921420892.5U CN201921420892U CN210658748U CN 210658748 U CN210658748 U CN 210658748U CN 201921420892 U CN201921420892 U CN 201921420892U CN 210658748 U CN210658748 U CN 210658748U
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CN
China
Prior art keywords
strip
expansion joint
water
expansion
shaped
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Expired - Fee Related
Application number
CN201921420892.5U
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Chinese (zh)
Inventor
臧小龙
赵志峰
许孝璐
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Qingdao Construction Group Co ltd
Qingjian Group Co Ltd
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Qingjian Group Co Ltd
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Priority to CN201921420892.5U priority Critical patent/CN210658748U/en
Application granted granted Critical
Publication of CN210658748U publication Critical patent/CN210658748U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a building gap waterproof construction structure, including two connecting wall boards (1), the interval sets up between two connecting wall boards (1), the clearance between two connecting wall boards (1) is the expansion joint, be provided with the manger plate layer in the expansion joint, the both sides opening part of expansion joint is provided with bar backup pad (2) respectively, backup pad (2) set up along the length extending direction of expansion joint, the opening of expansion joint is covered at backup pad (2) middle part, the both sides of backup pad (2) are laminated respectively on the surface of two connecting wall boards (1); the water retaining layer comprises a water absorption expansion strip (3) arranged in the expansion joint and two strip-shaped water retaining plates (4), and the water absorption expansion strip (3) is arranged along the length extending direction of the expansion joint. The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.

Description

Waterproof construction structure of building gap
Technical Field
The utility model relates to a building gap waterproof construction structure belongs to the building field.
Background
The expansion joint is a structural joint which is arranged along a proper position of a building or a construction joint direction of the building in order to prevent the structure from generating cracks or damages due to climate temperature changes (thermal expansion and cold contraction). The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction. The existing waterproof structure in the expansion joint of the building outer wall can cause the outer wall to mildew or even crack due to the leakage phenomenon caused by factors such as waterproof aging, shrinkage, cracking, inconsistent foundation settlement coefficient and the like.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model to exist among the prior art: "the existing building outer wall expansion joint inner waterproof structure causes the seepage phenomenon because of factors such as waterproof aging, shrink, fracture, foundation settlement coefficient inconsistent, may cause the outer wall to go mildy, even fracture. ' provides a waterproof construction structure for building gaps.
In order to solve the technical problem, the technical scheme adopted by the utility model is that the building gap waterproof construction structure comprises two connecting wall boards, wherein the two connecting wall boards are arranged at intervals, a gap between the two connecting wall boards is an expansion joint, a water retaining layer is arranged in the expansion joint, the openings at two sides of the expansion joint are respectively provided with a strip-shaped support board, the support boards are arranged along the length extending direction of the expansion joint, the middle part of each support board covers the opening of the expansion joint, and two sides of each support board are respectively attached to the surfaces of the two connecting wall boards; the water retaining layer comprises a water absorption expansion strip and two strip-shaped water retaining plates, the water absorption expansion strip is arranged along the length extending direction of the expansion joint, the two water retaining plates are respectively arranged between two supporting plates and two sides of the water absorption expansion strip, and the water retaining plates are arranged along the length extending direction of the expansion joint and are attached to the surfaces of two sides of the water absorption expansion strip.
In the technical scheme of this application, set up the manger plate layer of constituteing by water absorption expansion strip and two breakwaters in the expansion joint to the opening part at the expansion joint has set up the backup pad. The water absorption expansion strip is tightly pressed and fixed in the expansion joint, and two waterproof structures are formed on two sides of the water absorption expansion strip through the supporting plate and the water baffle plate, so that rainwater is prevented from leaking. When the expansion joint takes place to warp, the rainwater of seepage enters into the expansion joint and is absorbed by the water-absorbing expansion strip, takes place the inflation after the water-absorbing expansion strip absorbs water, fills the clearance that appears after the expansion joint absorbs water, prevents to continue the seepage. This application reduces the breakwater, the water swelling strip and external contact through hiding of backup pad, reduces the ageing speed of breakwater, water swelling strip to prevent that breakwater, water swelling strip from reducing waterproof performance because of ageing.
Preferably, in the waterproof construction structure for the building gap, the surfaces of the opposite side parts of the two connecting wallboards are provided with strip-shaped grooves which are arranged along the length extending direction of the expansion joint, and the water-absorbing expansion strips are arranged in the strip-shaped grooves; the inner surface of the strip-shaped groove is coated with an asphalt waterproof coating layer, and the water-absorbing expansion strip is in compressed contact with the asphalt waterproof coating layer on the bottom end surface in the strip-shaped groove.
In this application, the lateral part of connecting the wallboard has set up the bar groove on the surface at two, and the swelling strip that absorbs water sets up in the bar inslot, can increase the volume of the swelling strip that absorbs water and increase the area of contact at swelling strip and expansion joint. The waterproof coating layer of pitch that has coated on the bar inslot wall reduces the roughness of bar inslot wall, prevents to have great clearance because of the excessive coarse messenger water swelling strip of bar inslot wall and bar inslot surface, improves waterproof sealing nature.
Optimized, above-mentioned building gap waterproof construction structure, the both sides of breakwater are located the bar inslot of two connection wallboard lateral parts respectively, and the lateral part laminating of breakwater in the inside side surface in bar groove, breakwater and bar groove's inside side surface, the expansion strip that absorbs water sticiss the contact.
In this application, the lateral part of breakwater sticiss in the inside side surface in bar groove through the extrusion of the inflation strip that absorbs water, through the tight contact of the asphalt waterproofing coating layer of breakwater lateral part and bar inslot surface, improves the breakwater and seals with the contact in bar groove, improves the waterproof sealing nature at expansion joint.
Optimized, above-mentioned building gap waterproofing structure, it has the waterproof roll material piece of rubber to laminate on the surface towards connecting wallboard, expansion joint opening in the backup pad, and the both sides of backup pad pass through expansion bolts respectively with two connection wallboard fixed connection, the waterproof roll material piece of rubber and backup pad, connection wallboard sticiss the contact.
In this application, fixed the waterproof roll material piece of rubber of having laminated in the backup pad, through the waterproof roll material piece of rubber sealed backup pad with be connected the clearance of wallboard, improved the waterproof leakproofness of expansion joint opening part.
Preferably, in the waterproof construction structure for the building gap, the part of the support plate covering the opening of the expansion joint is a U-shaped bending plate, and the outer surface of the U-shaped bending bottom end of the bending plate faces the opening of the expansion joint; a plurality of bolt ejector rods are arranged in the bending plate and penetrate through the bending plate, and the end portions of the bolt ejector rods are in surface contact with the water baffle plate.
In this application, connecting bolt ejector pin on the board of bending, bolt ejector pin pushes up on the breakwater, extrudees the breakwater on the water absorption expansion strip and the position of fixed breakwater, prevents that the breakwater from removing.
Preferably, in the waterproof construction structure for the building gap, the water baffle is provided with an arc-shaped section, and the arc-shaped section is arranged along the length extension direction of the water baffle; the arc-shaped section is provided with a supporting tube, the axis of the supporting tube is arranged along the length extending direction of the water baffle plate, an internal metal rod is inserted into the supporting tube, and the end part of the bolt ejector rod is in pressing contact with the surface of the supporting tube.
In this application, through set up stay tube and inside metal pole on the segmental arc of breakwater, increased the intensity of breakwater, can make the even degree of the atress deformation of segmental arc improve when bolt ejector pin extrusion segmental arc.
Bend the board and the segmental arc all sets up to the U type and opening opposite direction, and the elastic restoring force after the elastic deformation through board and the segmental arc of bending can be so that the board of bending remain stable in to the support and the extrusion of segmental arc.
Preferably, in the building gap waterproof construction structure, two sides of the U-shaped opening of the bending plate are respectively provided with a compression resistant strip, and the compression resistant strips are arranged along the length extension direction of the bending plate; and weather-proof sealant is filled in a U-shaped space enclosed by the two anti-pressing strips and the bent plate.
In this application, through the setting of anti layering increased the board of bending and the ascending resistance to deformation intensity of whole backup pad in length extending direction, sealed the gap of bolt ejector pin department through resistant weather sealant, prevent to take place the seepage in the joint gap department of bolt ejector pin and the board of bending.
Optimally, in the building gap waterproof construction structure, the two-component polyurethane sealant is filled between the support plate and the water baffle; the surface of the connecting wallboard is covered with a plastering layer, and the plastering layer covers the surface of the supporting plate.
In this application, fill two ingredient polyurethane sealing compound between backup pad and breakwater, improve the leakproofness of the part of expansion joint between backup pad and breakwater, prevent into water to can keep apart breakwater, the contact of water swelling strip and external world, reduce the ageing speed of breakwater, water swelling strip.
Preferably, in the waterproof construction structure for the building gap, the support plate, the bent plate and the compression-resistant strip are integrally formed metal aluminum strips; the water baffle is an integrally formed ethylene propylene diene monomer rubber sheet.
In this application, backup pad, the board of bending, resistance to compression strip are integrated into one piece's metal aluminium strip, have better corrosion resistance and elasticity, and the breakwater is integrated into one piece's EPT rubber piece, has better leakproofness and elasticity, can continue to keep better leakproofness through elastic deformation and elastic recovery when the expansion joint warp.
The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. In the technical scheme of this application, set up the manger plate layer of constituteing by water absorption expansion strip and two breakwaters in the expansion joint to the opening part at the expansion joint has set up the backup pad. The water absorption expansion strip is tightly pressed and fixed in the expansion joint, and two waterproof structures are formed on two sides of the water absorption expansion strip through the supporting plate and the water baffle plate, so that rainwater is prevented from leaking. When the expansion joint takes place to warp, the rainwater of seepage enters into the expansion joint and is absorbed by the water-absorbing expansion strip, takes place the inflation after the water-absorbing expansion strip absorbs water, fills the clearance that appears after the expansion joint absorbs water, prevents to continue the seepage. This application reduces the breakwater, the water swelling strip and external contact through hiding of backup pad, reduces the ageing speed of breakwater, water swelling strip to prevent that breakwater, water swelling strip from reducing waterproof performance because of ageing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of fig. 1 at a.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in the figures, the utility model relates to a building gap waterproof construction structure, including two connecting wall boards 1, two connecting wall boards 1 are arranged at intervals, the gap between two connecting wall boards 1 is an expansion joint, a water retaining layer is arranged in the expansion joint, the two side openings of the expansion joint are respectively provided with a strip-shaped support plate 2, the support plate 2 is arranged along the length extending direction of the expansion joint, the middle part of the support plate 2 covers the opening of the expansion joint, and the two sides of the support plate 2 are respectively attached to the surfaces of the two connecting wall boards 1; the water retaining layer is including setting up the manger plate 4 of the water swelling strip 3 that absorbs water and two bars in the expansion joint, and the length extending direction that the water swelling strip 3 that absorbs water set up along the expansion joint, and two manger plates 4 are located respectively between two backup pads 2 and the both sides of water swelling strip 3, and manger plate 4 sets up and laminates in the both sides surface of water swelling strip 3 along the length extending direction of expansion joint.
In the technical scheme of this application, set up the manger plate layer of constituteing by water absorption expansion strip 3 and two manger plates 4 in the expansion joint to the opening part at the expansion joint has set up backup pad 2. The water absorption expansion strip 3 is tightly pressed and fixed in the expansion joint, and two waterproof structures are formed on two sides of the water absorption expansion strip 3 through the supporting plate 2 and the water baffle 4, so that rainwater is prevented from leaking. When the expansion joint takes place to warp, the rainwater of seepage enters into the expansion joint and is absorbed by water absorption expansion strip 3, takes place the inflation after water absorption expansion strip 3 absorbs water, fills the clearance that appears after the expansion joint absorbs water, prevents to continue the seepage. This application reduces breakwater 4, the contact of water swelling strip 3 and external world through the covering of backup pad 2, reduces breakwater 4, the ageing speed of water swelling strip 3 to prevent breakwater 4, water swelling strip 3 and reduce waterproof performance because of ageing.
The opposite side surfaces of the two connecting wall boards 1 are provided with strip-shaped grooves 5, the strip-shaped grooves 5 are arranged along the length extension direction of the expansion joint, and the water-absorbing expansion strips 3 are arranged in the strip-shaped grooves 5; the coating has pitch waterproof coating layer 6 on the internal surface of bar groove 5, and the water absorption expansion strip 3 sticiss the contact with the pitch waterproof coating layer 6 of the inside bottom face of bar groove 5.
In this application, the lateral part of connecting wallboard 1 has set up bar groove 5 on the surface at two, and the inflation strip that absorbs water 3 sets up in bar groove 5, can increase the volume of the inflation strip that absorbs water 3 and increase the area of contact at the inflation strip that absorbs water 3 and expansion joint. The asphalt waterproof coating layer 6 is coated on the inner wall of the strip-shaped groove 5, the roughness of the inner wall of the strip-shaped groove 5 is reduced, the phenomenon that the water-absorbing expansion strip 3 and the inner surface of the strip-shaped groove 5 have larger gaps due to excessive roughness of the inner wall of the strip-shaped groove 5 is prevented, and the waterproof sealing performance is improved.
The both sides of breakwater 4 are located the bar groove 5 of two connection 1 lateral parts of wallboard respectively, and the lateral part laminating of breakwater 4 is in the inside lateral surface of bar groove 5, and breakwater 4 sticiss the contact with the inside lateral surface of bar groove 5, 3 of the inflation strip that absorb water.
In this application, the lateral part of breakwater 4 sticiss in the inside side surface of bar groove 5 through the extrusion of water-swelling strip 3, through 4 lateral parts of breakwater and the contact of sticising of the pitch waterproof coating layer 6 of bar groove 5 internal surface, improves the contact seal of breakwater 4 and bar groove 5, improves the waterproof sealing nature at expansion joint.
Go to the laminating on the surface of connecting wallboard 1, expansion joint opening in backup pad 2, the waterproof roll material piece of rubber 7, the both sides of backup pad 2 pass through expansion bolts respectively with two connect 1 fixed connection of wallboard, the waterproof roll material piece of rubber 7 with backup pad 2, connect 1 sticiss the contact of wallboard.
In this application, fixed the waterproof roll material piece 7 of rubber of having laminated in backup pad 2, through the waterproof roll material piece 7 of rubber sealed backup pad 2 and the clearance of being connected wallboard 1, improved the waterproof sealing nature of expansion joint opening part.
The part of the support plate 2 covering the opening of the expansion joint is a U-shaped bending plate 21, and the outer surface of the U-shaped bending bottom end of the bending plate 21 faces the opening of the expansion joint; a plurality of bolt ejector rods 8 are arranged in the bending plate 21, and the bolt ejector rods 8 penetrate through the bending plate 21 and the end parts of the bolt ejector rods are in surface contact with the water baffle 4.
In this application, connecting bolt ejector pin 8 on the board 21 of bending, bolt ejector pin 8 pushes up on breakwater 4, extrudees breakwater 4 on the inflation strip 3 that absorbs water and fixes breakwater 4's position, prevents that breakwater 4 from removing.
The water baffle 4 is provided with an arc-shaped section 41, and the arc-shaped section 41 is arranged along the length extending direction of the water baffle 4; the arc-shaped section 41 is provided with a supporting pipe 9, the axis of the supporting pipe 9 is arranged along the length extending direction of the water baffle 4, an internal metal rod 10 is inserted in the supporting pipe 9, and the end part of the bolt ejector rod 8 is in pressing contact with the surface of the supporting pipe 9.
In this application, through set up stay tube 9 and inside metal pole 10 on the segmental arc 41 of breakwater 4, increased the intensity of breakwater 4, can make the even degree of the atress deformation of segmental arc 41 improve when bolt ejector pin 8 extrudees segmental arc 41.
The bending plate 21 and the arc-shaped section 41 are both provided with U-shaped openings in opposite directions, and the bending plate 21 can be stably supported and extruded on the arc-shaped section 41 through the elastic restoring force after the elastic deformation of the bending plate 21 and the arc-shaped section 41.
Two sides of the U-shaped opening of the bending plate 21 are respectively provided with a compression-resistant strip 11, and the compression-resistant strips 11 are arranged along the length extension direction of the bending plate 21; and weather-proof sealant 12 is filled in a U-shaped space surrounded by the two anti-compression strips 11 and the bending plate 21.
In this application, through the setting of anti layering 11 increased the resistance to deformation intensity of board 21 and the whole backup pad 2 of bending on the length extending direction, sealed the gap of 12 sealing bolt ejector pins 8 departments through resistant weather, prevent to take place the seepage in bolt ejector pin 8 and the joint gap department of the board 21 of bending.
A two-component polyurethane sealant 13 is filled between the support plate 2 and the water baffle 4; the surface of the connecting wall plate 1 is covered with a plastering layer 14, and the plastering layer 14 covers the surface of the supporting plate 2.
In this application, fill two ingredient polyurethane sealant 13 between backup pad 2 and breakwater 4, improve the leakproofness of the part of expansion joint between backup pad 2 and breakwater 4, prevent into water to can keep apart breakwater 4, water swelling strip 3 and external contact, reduce breakwater 4, the ageing rate of water swelling strip 3.
The supporting plate 2, the bending plate 21 and the compression resistant strip 11 are integrally formed metal aluminum strips; the water baffle 4 is an ethylene propylene diene monomer rubber sheet which is integrally formed.
In this application, backup pad 2, the board 21 of bending, resistance to compression strip 11 are integrated into one piece's metal aluminium strip, have better corrosion resistance and elasticity, and breakwater 4 is integrated into one piece's EPT rubber piece, has better leakproofness and elasticity, can continue to keep better leakproofness through elastic deformation and elastic recovery when the expansion joint warp.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims (9)

1. The utility model provides a building gap waterproof construction structure which characterized in that: the expansion joint comprises two connecting wall plates (1), the two connecting wall plates (1) are arranged at intervals, a gap between the two connecting wall plates (1) is an expansion joint, a water retaining layer is arranged in the expansion joint, strip-shaped supporting plates (2) are respectively arranged at openings at two sides of the expansion joint, the supporting plates (2) are arranged along the length extending direction of the expansion joint, the opening of the expansion joint is covered at the middle part of each supporting plate (2), and two sides of each supporting plate (2) are respectively attached to the surfaces of the two connecting wall plates (1); the water retaining layer comprises a water-absorbing expansion strip (3) arranged in the expansion joint and two strip-shaped water retaining plates (4), the water-absorbing expansion strip (3) is arranged along the length extending direction of the expansion joint, the two water retaining plates (4) are respectively arranged between two supporting plates (2) and two sides of the water-absorbing expansion strip (3), and the water retaining plates (4) are arranged along the length extending direction of the expansion joint and are attached to the surfaces of two sides of the water-absorbing expansion strip (3).
2. The waterproof construction structure of building gap of claim 1, wherein: the opposite side surfaces of the two connecting wallboards (1) are provided with strip-shaped grooves (5), the strip-shaped grooves (5) are arranged along the length extension direction of the expansion joint, and the water-absorbing expansion strips (3) are arranged in the strip-shaped grooves (5); the inner surface of the strip-shaped groove (5) is coated with an asphalt waterproof coating layer (6), and the water-absorbing expansion strip (3) is in compressed contact with the asphalt waterproof coating layer (6) on the bottom end surface inside the strip-shaped groove (5).
3. The waterproof construction structure of building gap according to claim 2, wherein: the both sides of breakwater (4) are located strip groove (5) of two connection wallboard (1) lateral parts respectively, and the lateral part laminating of breakwater (4) is in the inside side surface in strip groove (5), and breakwater (4) sticiss the contact with the inside side surface in strip groove (5), the water swelling strip (3) that absorb water.
4. The waterproof construction structure of building gap of claim 1, wherein: go to on in backup pad (2) to connect wallboard (1), the expansion joint open-ended laminating on the surface have rubber waterproof roll sheet (7), the both sides of backup pad (2) pass through expansion bolts respectively with two connection wallboard (1) fixed connection, rubber waterproof roll sheet (7) and backup pad (2), connection wallboard (1) sticiss the contact.
5. The waterproof construction structure of building gap of claim 1, wherein: the part of the support plate (2) covering the opening of the expansion joint is a U-shaped bending plate (21), and the outer surface of the U-shaped bending bottom end of the bending plate (21) faces the opening of the expansion joint; a plurality of bolt ejector rods (8) are arranged in the bending plate (21), and the bolt ejector rods (8) penetrate through the bending plate (21) and are in surface contact with the water baffle (4).
6. The waterproof construction structure of building gap of claim 5, wherein: the water baffle (4) is provided with an arc-shaped section (41), and the arc-shaped section (41) is arranged along the length extending direction of the water baffle (4); the arc-shaped section (41) is provided with a supporting pipe (9), the axis of the supporting pipe (9) is arranged along the length extending direction of the water baffle plate (4), an internal metal rod (10) is inserted in the supporting pipe (9), and the end part of the bolt ejector rod (8) is in pressing contact with the surface of the supporting pipe (9).
7. The waterproof construction structure of building gap of claim 5, wherein: two sides of the U-shaped opening of the bending plate (21) are respectively provided with a compression resistant strip (11), and the compression resistant strips (11) are arranged along the length extending direction of the bending plate (21); and weather-proof sealant (12) is filled in a U-shaped space enclosed by the two anti-pressing strips (11) and the bending plate (21).
8. The waterproof construction structure of building gap of claim 7, wherein: a two-component polyurethane sealant (13) is filled between the support plate (2) and the water baffle (4); the surface of the connecting wallboard (1) is covered with a plastering layer (14), and the plastering layer (14) covers the surface of the supporting plate (2).
9. The waterproof construction structure of building gap of claim 7, wherein: the supporting plate (2), the bending plate (21) and the compression resistant strip (11) are integrally formed metal aluminum strips; the water baffle (4) is an ethylene propylene diene monomer sheet which is integrally formed.
CN201921420892.5U 2019-08-28 2019-08-28 Waterproof construction structure of building gap Expired - Fee Related CN210658748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921420892.5U CN210658748U (en) 2019-08-28 2019-08-28 Waterproof construction structure of building gap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921420892.5U CN210658748U (en) 2019-08-28 2019-08-28 Waterproof construction structure of building gap

Publications (1)

Publication Number Publication Date
CN210658748U true CN210658748U (en) 2020-06-02

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Application Number Title Priority Date Filing Date
CN201921420892.5U Expired - Fee Related CN210658748U (en) 2019-08-28 2019-08-28 Waterproof construction structure of building gap

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877540A (en) * 2020-08-10 2020-11-03 田志强 Courtyard type multi-layer high-lighting building

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877540A (en) * 2020-08-10 2020-11-03 田志强 Courtyard type multi-layer high-lighting building
CN111877540B (en) * 2020-08-10 2021-04-13 田志强 Courtyard type multi-layer high-lighting building

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Address after: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province

Patentee after: Qingdao Construction Group Co.,Ltd.

Patentee after: QINGJIAN GROUP Co.,Ltd.

Address before: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province

Patentee before: QINGJIAN GROUP Co.,Ltd.

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Granted publication date: 20200602

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