CN211080616U - Roofing expansion joint structure under prefabricated apron - Google Patents

Roofing expansion joint structure under prefabricated apron Download PDF

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Publication number
CN211080616U
CN211080616U CN201921229912.0U CN201921229912U CN211080616U CN 211080616 U CN211080616 U CN 211080616U CN 201921229912 U CN201921229912 U CN 201921229912U CN 211080616 U CN211080616 U CN 211080616U
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CN
China
Prior art keywords
layer
roof
waterproof
coiled material
top surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921229912.0U
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Chinese (zh)
Inventor
陈大伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Huawei Yingyun Technology Development Co ltd
Original Assignee
Beijing Huawei Yingyun Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Huawei Yingyun Technology Development Co ltd filed Critical Beijing Huawei Yingyun Technology Development Co ltd
Priority to CN201921229912.0U priority Critical patent/CN211080616U/en
Application granted granted Critical
Publication of CN211080616U publication Critical patent/CN211080616U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a roof expansion joint structure under a prefabricated cover plate, which comprises a roof plate, a support wall, a roof heat-insulating layer, a waterproof coil layer, a composite felt layer, a prefabricated cover plate and a cement mortar plastering layer; a supporting wall is built on one side of the roof panel, and a rock wool layer is filled between the two supporting walls; galvanized iron sheets are arranged at the top and the bottom of the rock wool layer, and two ends of each galvanized iron sheet are respectively embedded into the supporting walls at two sides; a roof heat-insulating layer is laid on the top surface of the roof plate, and a waterproof coil layer is laid on the top surface of the roof heat-insulating layer; a coiled material sealing cover is built on the top surface of the supporting wall, and the coiled material sealing cover compresses the waterproof coiled material layer and the end part of the reinforced waterproof layer and seals the waterproof coiled material layer and the end part of the reinforced waterproof layer through sealant; a composite felt layer is laid on the top surface of the coiled material sealing cover, a prefabricated cover plate is built on the composite felt layer, and cement mortar water dropping plates are built on the top surface and the bottom edge of the prefabricated cover plate; and cement mortar smearing layers are constructed on the exposed surfaces of the roof panels and the erected walls.

Description

Roofing expansion joint structure under prefabricated apron
Technical Field
The utility model relates to a building structure field especially relates to a roofing expansion joint structure under prefabricated apron.
Background
The expansion joint is a structural joint which is arranged along a proper position in the construction joint direction of a building or a structure in order to prevent the structure from generating cracks or damages due to the change of the climate and temperature of the building components. The expansion joint divides building components above a foundation, such as a wall body, a floor slab, a roof and the like into two independent parts, so that the building or the structure can horizontally expand and contract along the long direction. And at the expansion joint structure of roofing position, because need consider roofing heat preservation and waterproof problem, general floor expansion joint way is not suitable for the roofing expansion joint.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect with not enough, provide a roofing expansion joint structure under prefabricated apron, the function at roofing expansion joint has not only been guaranteed to this structure, does not influence roofing waterproof and roofing heat preservation simultaneously, simple structure, construction convenience.
In order to achieve the above object, the utility model adopts the following technical scheme: a roof expansion joint structure under a prefabricated cover plate comprises a roof plate, a supporting wall, a roof heat-insulating layer, a waterproof coil layer, a composite oil felt layer, a prefabricated cover plate and a cement mortar plastering layer; a supporting wall is built on one side of the roof panel, a boss is arranged at the bottom of the supporting wall and abuts against the bottom surface of the end part of the roof panel, symmetrical supporting walls and roof panels are built on the other sides of the supporting wall and the roof panel, and a rock wool layer is filled between the two supporting walls; galvanized iron sheets are arranged at the top and the bottom of the rock wool layer, the galvanized iron sheets are of V-shaped plate structures, and two ends of the galvanized iron sheets are respectively embedded into the standing walls at two sides; a roof heat-insulating layer is laid on the top surface of the roof plate, and the periphery of the roof heat-insulating layer is attached to the side surface of the support wall; a waterproof coiled material layer is laid on the top surface of the roof insulation layer and extends upwards to the top of the support wall along the side surface of the support wall; a layer of reinforced waterproof layer is laid on the bottom surface of the waterproof roll material layer, and the reinforced waterproof layer extends downwards from the top of the supporting wall along the supporting wall and extends for 200-250mm towards the center of the roof panel; a coiled material sealing cover is built on the top surface of the supporting wall, and the coiled material sealing cover compresses the waterproof coiled material layer and the end part of the reinforced waterproof layer and seals the waterproof coiled material layer and the end part of the reinforced waterproof layer through sealant; a composite felt layer is laid on the top surface of the coiled material sealing cover, and the composite felt layer is formed by sequentially overlapping two layers of felts; a prefabricated cover plate is built on the composite oil felt layer, the prefabricated cover plate is of a reinforced concrete cover plate structure, connecting walls which are respectively connected with two side vertical walls extend from the bottom of the prefabricated cover plate, and cement mortar water dropping boards are built on the top surface and the bottom edge of the prefabricated cover plate; and cement mortar smearing layers are constructed on the exposed surfaces of the roof panels and the erected walls.
Preferably, a layer of fixed felt is laid on the top surface of the supporting wall, and rock wool is filled between the fixed felt and the composite felt layer.
The utility model has the advantages that: the structure not only ensures the function of the roof expansion joint, but also does not influence roof waterproof and roof heat preservation, and has simple structure and convenient construction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of a roof expansion joint structure.
Wherein: 1 is roof boarding, 2 is the buttress wall, 21 is the rock wool layer, 22 is galvanized iron sheet, 3 is the roofing heat preservation, 4 is the waterproof coil material layer, 41 is the enhancement waterproof layer, 42 is the coil material closing cap, 5 is the composite oil felt layer, 6 is prefabricated apron, 61 is the cement mortar drip board, 7 is the cement mortar layer of smearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the roof expansion joint structure under the prefabricated cover plate comprises a roof plate 1, a support wall 2, a roof heat-insulating layer 3, a waterproof coil layer 4, a composite felt layer 5, a prefabricated cover plate 6 and a cement mortar smearing layer 7; a supporting wall 2 is built on one side of the roof panel 1, a boss is arranged at the bottom of the supporting wall 2 and abuts against the bottom surface of the end part of the roof panel 1, symmetrical supporting walls 2 and the roof panel 1 are built on the other sides of the supporting wall 2 and the roof panel 1, and a rock wool layer 21 is filled between the two supporting walls 2; galvanized iron sheets 22 are arranged at the top and the bottom of the rock wool layer 21, the galvanized iron sheets 22 are of a V-shaped plate structure, and two ends of each galvanized iron sheet 22 are respectively embedded into the vertical walls 2 on the two sides; a roof heat-insulating layer 3 is laid on the top surface of the roof panel 1, and the periphery of the roof heat-insulating layer 3 is attached to the side surface of the support wall 2; a waterproof coiled material layer 4 is laid on the top surface of the roof insulation layer 3, and the waterproof coiled material layer 4 extends upwards to the top of the support wall 2 along the side surface of the support wall 2; a layer of reinforced waterproof layer 41 is further laid on the bottom surface of the waterproof coil layer 4, and the reinforced waterproof layer 41 extends downwards from the top of the support wall 2 along the support wall 2 and extends for 250mm towards the center of the roof panel 1; a coiled material sealing cover 42 is built on the top surface of the supporting wall 2, and the ends of the waterproof coiled material layer 4 and the reinforced waterproof layer 41 are pressed tightly by the coiled material sealing cover 42 and sealed by sealant; a composite felt layer 5 is laid on the top surface of the coiled material sealing cover 42, and the composite felt layer 5 is formed by sequentially overlapping two layers of felts; a prefabricated cover plate 6 is built on the composite oil felt layer 5, the prefabricated cover plate 6 is of a reinforced concrete cover plate structure, connecting walls which are respectively connected with the two side vertical walls 2 extend from the bottom of the prefabricated cover plate 6, and cement mortar water dropping plates 61 are built on the top surface and the bottom edge of the prefabricated cover plate 6; and a cement mortar coating 7 is constructed on the exposed surfaces of the roof panel 1 and the erecting wall 2.
When the concrete implementation is carried out, a layer of fixed asphalt felt is laid on the top surface of the supporting wall 2, and rock wool is filled between the fixed asphalt felt and the composite asphalt felt layer 5.

Claims (2)

1. The utility model provides a roofing expansion joint structure under prefabricated apron which characterized in that: comprises a roof board, a supporting wall, a roof heat-insulating layer, a waterproof coil layer, a composite felt layer, a prefabricated cover plate and a cement mortar coating layer; a supporting wall is built on one side of the roof panel, a boss is arranged at the bottom of the supporting wall and abuts against the bottom surface of the end part of the roof panel, symmetrical supporting walls and roof panels are built on the other sides of the supporting wall and the roof panel, and a rock wool layer is filled between the two supporting walls; galvanized iron sheets are arranged at the top and the bottom of the rock wool layer, the galvanized iron sheets are of V-shaped plate structures, and two ends of the galvanized iron sheets are respectively embedded into the standing walls at two sides; a roof heat-insulating layer is laid on the top surface of the roof plate, and the periphery of the roof heat-insulating layer is attached to the side surface of the support wall; a waterproof coiled material layer is laid on the top surface of the roof insulation layer and extends upwards to the top of the support wall along the side surface of the support wall; a layer of reinforced waterproof layer is laid on the bottom surface of the waterproof roll material layer, and the reinforced waterproof layer extends downwards from the top of the supporting wall along the supporting wall and extends for 200-250mm towards the center of the roof panel; a coiled material sealing cover is built on the top surface of the supporting wall, and the coiled material sealing cover compresses the waterproof coiled material layer and the end part of the reinforced waterproof layer and seals the waterproof coiled material layer and the end part of the reinforced waterproof layer through sealant; a composite felt layer is laid on the top surface of the coiled material sealing cover, and the composite felt layer is formed by sequentially overlapping two layers of felts; a prefabricated cover plate is built on the composite oil felt layer, the prefabricated cover plate is of a reinforced concrete cover plate structure, connecting walls which are respectively connected with two side vertical walls extend from the bottom of the prefabricated cover plate, and cement mortar water dropping boards are built on the top surface and the bottom edge of the prefabricated cover plate; and cement mortar smearing layers are constructed on the exposed surfaces of the roof panels and the erected walls.
2. The structure of roof expansion joints under prefabricated cover plate of claim 1, characterized in that: a layer of fixed asphalt felt is laid on the top surface of the supporting wall, and rock wool is filled between the fixed asphalt felt and the composite asphalt felt layer.
CN201921229912.0U 2019-07-31 2019-07-31 Roofing expansion joint structure under prefabricated apron Expired - Fee Related CN211080616U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921229912.0U CN211080616U (en) 2019-07-31 2019-07-31 Roofing expansion joint structure under prefabricated apron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921229912.0U CN211080616U (en) 2019-07-31 2019-07-31 Roofing expansion joint structure under prefabricated apron

Publications (1)

Publication Number Publication Date
CN211080616U true CN211080616U (en) 2020-07-24

Family

ID=71625187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921229912.0U Expired - Fee Related CN211080616U (en) 2019-07-31 2019-07-31 Roofing expansion joint structure under prefabricated apron

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Country Link
CN (1) CN211080616U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123471A (en) * 2021-03-23 2021-07-16 中铁建工集团有限公司 Platform roof canopy and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123471A (en) * 2021-03-23 2021-07-16 中铁建工集团有限公司 Platform roof canopy and manufacturing method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200724

CF01 Termination of patent right due to non-payment of annual fee