CN203144968U - Concrete slab expansion joint - Google Patents
Concrete slab expansion joint Download PDFInfo
- Publication number
- CN203144968U CN203144968U CN 201320136936 CN201320136936U CN203144968U CN 203144968 U CN203144968 U CN 203144968U CN 201320136936 CN201320136936 CN 201320136936 CN 201320136936 U CN201320136936 U CN 201320136936U CN 203144968 U CN203144968 U CN 203144968U
- Authority
- CN
- China
- Prior art keywords
- concrete slab
- polyurethane coating
- expansion joint
- mortar
- thickness
- 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
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- Building Environments (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a concrete slab expansion joint. The concrete slab expansion joint is characterized in that the concrete slab expansion joint is V-shaped, the depth of the concrete slab expansion joint is 30mm, cement mortar is filled in the concrete slab expansion joint, asphalt cement is installed on the cement mortar, the thickness of the asphalt cement is 20mm, waterproof mortar is installed outside a concrete slab, the thickness of the waterproof mortar is 20mm, a polyurethane coating is painted on the outer side of the asphalt cement, the thickness of the polyurethane coating is 10mm, and the length of the polyurethane coating is 200mm.
Description
Technical field
The utility model relates to a kind of concrete slab shrinkage joint, is applicable to construction field.
Background technology
Concrete slab engineering in hydraulic engineering (as the water delivery river lining cutting, rivers embankment, reservoir dam bank protection, lock is contained base plate, bank protection) in the middle of, destruction generally begins from parting.Common pointing with cement mortar at first is that cracking causes the infiltration of parting place under the effect of weathering, freeze thawing, outer stress-strain, cause ground layer soft, concrete slab produces differential settlement, and then the further cracking of jointing is come off, cause basic unit by the water scour, concrete slab is subsided, finally cause the whole destruction of concrete slab.
The utility model content
The technical problem that the utility model solves provides a kind of concrete slab shrinkage joint, solves existing technical deficiency.
The utility model comprises cement mortar, pitch ointment, waterproofing mortar, polyurethane coating film, concrete slab, the V font is made at the concrete slab shrinkage joint, the degree of depth is 30mm, and the filling cement mortar arranges the pitch ointment in the shrinkage joint above the cement mortar, pitch ointment thickness is 20mm, the concrete slab outside arranges waterproofing mortar, and waterproofing mortar thickness is 20mm, pitch ointment outside brushing polyurethane coating film, polyurethane coating film thickness is 10mm, and polyurethane coating film length is 200mm.
The utility model is simple and practical.
Description of drawings
Fig. 1 concrete slab shrinkage joint schematic diagram.
Accompanying drawing sign: 1, cement mortar, 2, the pitch ointment, 3, waterproofing mortar, 4, polyurethane coating film, 5, concrete slab.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is concrete slab shrinkage joint schematic diagram.The utility model comprises cement mortar 1, pitch ointment 2, waterproofing mortar 3, polyurethane coating film 4, concrete slab 5, the V font is made at concrete slab 5 shrinkage joint, the degree of depth is 30mm, and filling cement mortar 1 arranges pitch ointment 2 in the shrinkage joint above the cement mortar 1, pitch ointment 2 thickness are 20mm, concrete slab 5 outsides arrange waterproofing mortar 3, and waterproofing mortar 3 thickness are 20mm, pitch ointment 2 outside brushing polyurethane coating films 4, polyurethane coating film 4 thickness are 10mm, and polyurethane coating film 4 length are 200mm.
Claims (1)
1. concrete slab shrinkage joint, it is characterized in that comprising cement mortar, pitch ointment, waterproofing mortar, polyurethane coating film, concrete slab, the V font is made at the concrete slab shrinkage joint, and the degree of depth is 30mm, filling cement mortar in the shrinkage joint, the pitch ointment is set above the cement mortar, and pitch ointment thickness is 20mm, and the concrete slab outside arranges waterproofing mortar, waterproofing mortar thickness is 20mm, pitch ointment outside brushing polyurethane coating film, polyurethane coating film thickness is 10mm, polyurethane coating film length is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136936 CN203144968U (en) | 2013-03-09 | 2013-03-09 | Concrete slab expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136936 CN203144968U (en) | 2013-03-09 | 2013-03-09 | Concrete slab expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203144968U true CN203144968U (en) | 2013-08-21 |
Family
ID=48972509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320136936 Expired - Fee Related CN203144968U (en) | 2013-03-09 | 2013-03-09 | Concrete slab expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203144968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480828A (en) * | 2014-11-25 | 2015-04-01 | 福州皇家地坪有限公司 | Water-permeable concrete expansion joint structure and construction method thereof |
| CN104562889A (en) * | 2014-12-31 | 2015-04-29 | 王新华 | Cement concrete pavement with novel expansion joints and pre-broken joints |
-
2013
- 2013-03-09 CN CN 201320136936 patent/CN203144968U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480828A (en) * | 2014-11-25 | 2015-04-01 | 福州皇家地坪有限公司 | Water-permeable concrete expansion joint structure and construction method thereof |
| CN104480828B (en) * | 2014-11-25 | 2016-09-07 | 福州皇家地坪有限公司 | Permeable terrace expanded joint structure and construction method thereof |
| CN104562889A (en) * | 2014-12-31 | 2015-04-29 | 王新华 | Cement concrete pavement with novel expansion joints and pre-broken joints |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140309 |