CN202208877U - Ground pavement expansion joint structure on concrete cushion layer expansion joints - Google Patents
Ground pavement expansion joint structure on concrete cushion layer expansion joints Download PDFInfo
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- CN202208877U CN202208877U CN2011202300498U CN201120230049U CN202208877U CN 202208877 U CN202208877 U CN 202208877U CN 2011202300498 U CN2011202300498 U CN 2011202300498U CN 201120230049 U CN201120230049 U CN 201120230049U CN 202208877 U CN202208877 U CN 202208877U
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Abstract
The utility model relates to a ground pavement expansion joint structure on concrete cushion layer expansion joints, which aims to solve the problem that the paved ground is deformed and cracked. The concrete cushion layer expansion joints of the ground pavement expansion joint structure adopts the layered structure including a ground pavement layer covering the concrete cushion layer expansion joints, a cement mortar joint filled layer, a dry cement mortar layer, a middle sand layer and a concrete cushion layer with the expansion joints from top to bottom, wherein expansion joint filling materials are embedded in the expansion joints between the concrete cushion layer expansion joints and the ground pavement; and the cushion layer expansion joints are crisscrossing expansion joints arranged on the concrete cushion layer and provided with broken reinforcing ribs. The utility model has the advantages that the ground pavement layer and the reinforced concrete cushion layer of the ground pavement expansion joint structure can expand and contract at will along with the change of the temperature, a sliding surface is generated between the cushion layer and the pavement surface layer, the temperature difference cracks of the pavement surface layer are reduced, and the advantages that ground pavement joints are the same in width and are attractive and elegant are guaranteed.
Description
Technical field
The utility model relates to a kind of ground shrinkage joint technology of mating formation, and particularly relates to ground on a kind of concrete bed course shrinkage joint expansion joint structure of mating formation.
Background technology
Outdoor ground is mated formation to mat formation with the flooring and is compared, have one significantly different, outdoor ground is mated formation, and is in open-air atmosphere, influenced greatly by outside air temperature, the expanding with heat and contract with cold greatly of ground.The surface layer of the bed course of former design of surface steel concrete and granite, marble or floor tile, square brick is not all considered the shrinkage joint is set, and causes strain cracking easily.
Summary of the invention
The utility model purpose is to overcome the above-mentioned defective of prior art, and ground on a kind of concrete bed course shrinkage joint expansion joint structure of mating formation is provided.
Be to realize above-mentioned purpose, we are through careful consideration, and with the experts' of unit such as design, construction, management common demonstration; Former design is changed; Several crisscross shrinkage joint are set, and ground are mated formation handle, solved the crack problem of mating formation in ground.
Ground on the utility model concrete bed course shrinkage joint expansion joint structure of mating formation is that concrete bed course shrinkage joint place hierarchical structure from top to bottom comprises: the ground at gland concrete bed course shrinkage joint mat formation layer, cement mortar joint filling layer, dryness cement layer of sand and middle layer of sand, be with the concrete bed course at shrinkage joint; Shrinkage joint between mating formation in concrete bed course shrinkage joint, ground all is embedded with Joint Sealing Material in Expansion Joint.Mat formation and be meant ground such as the floor tile, square brick or the ground marble that are used for paving ground, the ground granite bulk of mating formation in said ground.Said Joint Sealing Material in Expansion Joint is to have certain retractility or flexible pointing.Here " ground at gland concrete bed course shrinkage joint mat formation layer " is meant that the mat formation ground masonry of layer of ground is positioned at top, concrete bed course shrinkage joint, covers concrete bed course shrinkage joint below the masonry of ground; Rather than masonry edge, ground is concordant with concrete bed course shrinkage joint or the concrete pad area that does not have the shrinkage joint of ground masonry below.
So just guaranteed that the reinforced concrete soil padding can be capable of expansion and contraction with variation of temperature, mating formation on bed course and ground has produced a slide surface between the layer, has reduced the temperature difference crack of the layer of mating formation, and the masonry that guaranteed to mat formation stitches wide unanimity, elegant in appearance.The utility model technical scheme can be used for any on the concrete bed course occasion of laying floor brick stone, be more suitable for outdoorly mating formation, be particularly suitable for square, basement top stone material paving ground.
As optimization, said concrete bed course shrinkage joint is the shrinkage joint that the crisscross and reinforcing bar of concrete bed course setting breaks off at the place, shrinkage joint.Reinforcing bar breaks off the situation when being meant that the concrete bed course adopts steel bar concrete at the place, shrinkage joint.
As optimization, shrinkage joint between mating formation in said ground and pointing extend downward glide lamella or the concrete bed course of being made up of jointly dryness cement layer of sand and cement sand bed.
As optimization, the pointing at concrete bed course shrinkage joint is a bituminous grout; The said ground layer of mating formation pastes the ground masonry for edge, edge paste between the masonry of ground and the subsides of adjacent edge with other ground masonry between the pointing at shrinkage joint be land plaster.
As optimization, the gross thickness of medium sand bed thickness 4-5mm, dryness cement layer of sand and cement mortar joint filling layer is 25mm.
As optimization, the cement bonded sand proportioning of cement mortar joint filling layer is 1: 2, and the cement bonded sand proportioning of dryness cement layer of sand is 1: 4.
As optimization, other zone from top to bottom the hierarchical structure of the ground at said gland concrete bed course shrinkage joint beyond mating formation comprises: the ground of the sticking seam of cement mortar mat formation layer, cement sand bed, concrete bed course.
Outdoor ground is mated formation, and is in open-air atmosphere, influenced greatly by outside air temperature, is easy to generate temperature difference crack, through the utility model setting to the concrete cushion and the facing expansion joint of mating formation, has solved the crack problem of mating formation in ground.
After adopting technique scheme; Ground on the utility model concrete bed course shrinkage joint mat formation the shrinkage joint structure have ground mat formation the layer and the reinforced concrete soil padding can be capable of expansion and contraction with variation of temperature; At bed course and mat formation and produced a slide surface between the surface layer; Reduced the temperature difference crack of the surface layer of mating formation, and guaranteed ground mat formation the seam wide unanimity, advantage elegant in appearance.
Description of drawings
Fig. 1 is the mat formation structural representation of expansion joint structure of the ground on the utility model concrete bed course shrinkage joint.
The specific embodiment
As shown in Figure 1, the expansion joint structure of mating formation of the ground on the utility model concrete bed course shrinkage joint is that concrete bed course shrinkage joint place hierarchical structure from top to bottom comprises: the mat formation concrete bed course 4 at layer 1, cement mortar joint filling layer, dryness cement layer of sand and middle layer of sand 3, band shrinkage joint of the ground at gland concrete bed course shrinkage joint; Concrete bed course shrinkage joint, ground all are embedded with Joint Sealing Material in Expansion Joint between mating formation.Shrinkage joint between mating formation in said ground and pointing extend downward glide lamella 2 or the concrete bed course of being made up of jointly dryness cement layer of sand and cement sand bed 4.Said concrete bed course shrinkage joint is the crisscross shrinkage joint that the concrete bed course is provided with; When the concrete bed course adopted steel bar concrete, said concrete bed course shrinkage joint was the shrinkage joint that reinforcing bar breaks off at the place, shrinkage joint.
Preferred 6 meters of said concrete bed course shrinkage joint spacing, the wide preferred 20-30mm of seam, the wide preferred 2mm of floor tile crack of stone.
The preferred bituminous grout 82 of the pointing at concrete bed course shrinkage joint; The said ground layer of mating formation pastes the ground masonry for edge, edge paste between the masonry of ground and the subsides of adjacent edge with other ground masonry between the preferred land plaster of pointing at shrinkage joint.
The preferred 25mm of gross thickness of the preferred 4-5mm of medium sand bed thickness, dryness cement layer of sand and cement mortar joint filling layer.The cement bonded sand proportion optimization of cement mortar joint filling layer 1: 2, the cement bonded sand proportion optimization of dryness cement layer of sand 1: 4.
Other zone from top to bottom the hierarchical structure of the ground at said gland concrete bed course shrinkage joint beyond mating formation comprises: the ground of the sticking seam of cement mortar mat formation layer, cement sand bed, concrete bed course.
The concrete job practices of granite surface of at present giving an example is following:
1. the consideration of shrinkage joint spacing: the spacing at shrinkage joint all is being thought of as 6 meters on the direction in length and breadth.
2. the setting at bed course shrinkage joint: the spacing at bed course shrinkage joint is 6 meters, stitches wide 20-30mm, and reinforcing bar breaks off at the place, shrinkage joint.When the concreting bed course, elder generation is at the position of sound production and the wide identical wood lath of seam of deformation joint, pitching coal tar after wood lath should be scraped; After treating that bed course reaches certain intensity; Wood lath is taken out,, use bituminous grout fill concrete bed course shrinkage joint again cleaning out in the shrinkage joint.
3. the setting at granite surface shrinkage joint: because the modulus that the ground specification of mating formation adds between the spacing at the wide shrinkage joint with the reinforced concrete soil padding of seam does not conform to; Can not guarantee the shrinkage joint up/down perforation in theory, always have a masonry to cover on the shrinkage joint of reinforced concrete soil padding.For preventing the crack of mating formation, ground, when the facing expansion joint of mating formation was provided with, we had taked following processing method:
During masonry on paving concrete bed course shrinkage joint, shop 5mm medium sand is spread 1: 4 dryness cement bonded sand then earlier, tries the shop when paving earlier; Treat sheet material to be uncovered after suitable, with cement mortar joint filling in 1: 2, sheet material will fall for four jiaos simultaneously when paving between setting course and the sheet material, and levelling is looked for directly; Wide 2mm is stitched in clearance gap alignment in length and breadth, and knocks plain with the skin hammer; Reject totally with steel disc with the cement bonded sand that is about to setting course in the clearance gap, use the land plaster joint filling again, specific practice is seen Figure of description.After the paving, finished product protection work should be carried out, after the intact back of paving is used the wool felt covering curing, treated that the setting course mortar reaches certain intensity, the people can be gone up.
5. points for attention
When (1) below the concrete bed course being 37 lime earth layer and plain fill layer, plain fill will be noted compaction in layers especially, to prevent differential settlement;
(2) during the granite surface paving, should the cement bonded sand of setting course in the clearance gap be rejected to the reinforced concrete soil padding with steel disc.
(3) quality of bituminous grout will guarantee, prevents cold short phenomenon.
Claims (6)
1. the expansion joint structure of mating formation of the ground on the concrete bed course shrinkage joint is characterized in that place, concrete bed course shrinkage joint hierarchical structure from top to bottom comprises: the ground at gland concrete bed course shrinkage joint mat formation layer, cement mortar joint filling layer, dryness cement layer of sand and middle layer of sand, be with the concrete bed course at shrinkage joint; Shrinkage joint between mating formation in concrete bed course shrinkage joint, ground all is embedded with Joint Sealing Material in Expansion Joint.
2. according to the said expansion joint structure of claim 1, it is characterized in that said concrete bed course shrinkage joint is the shrinkage joint of the crisscross and reinforcing bar of concrete bed course setting in the disconnection of place, shrinkage joint.
3. according to the said expansion joint structure of claim 1, it is characterized in that shrinkage joint and the pointing of said ground between mating formation extends downward glide lamella or the concrete bed course that is become with middle layer of sand mutual group by dryness cement layer of sand.
4. according to the said expansion joint structure of claim 1, the pointing that it is characterized in that concrete bed course shrinkage joint is a bituminous grout; The said ground layer of mating formation pastes the ground masonry for edge, edge paste between the masonry of ground and the subsides of adjacent edge with other ground masonry between the pointing at shrinkage joint be land plaster.
5. according to the said expansion joint structure of claim 1, it is characterized in that the gross thickness of medium sand bed thickness 4-5mm, dryness cement layer of sand and cement mortar joint filling layer is 25mm.
6. according to claim 1 or 2 or 3 or 4 or 5 said expansion joint structures, other zone hierarchical structure from top to bottom beyond mating formation in the ground that it is characterized in that said gland concrete bed course shrinkage joint comprises: the ground of the sticking seam of cement mortar mat formation layer, cement sand bed, concrete bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202300498U CN202208877U (en) | 2011-07-01 | 2011-07-01 | Ground pavement expansion joint structure on concrete cushion layer expansion joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202300498U CN202208877U (en) | 2011-07-01 | 2011-07-01 | Ground pavement expansion joint structure on concrete cushion layer expansion joints |
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| Publication Number | Publication Date |
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| CN202208877U true CN202208877U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202300498U Expired - Fee Related CN202208877U (en) | 2011-07-01 | 2011-07-01 | Ground pavement expansion joint structure on concrete cushion layer expansion joints |
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| CN (1) | CN202208877U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533093A (en) * | 2015-01-08 | 2015-04-22 | 王玲 | Floor tile pavement floor structure and pavement method thereof |
| CN105064660A (en) * | 2015-07-16 | 2015-11-18 | 上海市园林设计院有限公司 | Structure for preventing laying surface layer from cracking and method for preventing laying surface layer from cracking |
| CN108486978A (en) * | 2016-07-22 | 2018-09-04 | 南通八建集团有限公司 | The wing square stone material of the good severe cold area large area of effect is mated formation prevention and cure of crack method |
| CN109424159A (en) * | 2017-08-30 | 2019-03-05 | 罗雪洁 | A kind of concrete abrasion-resistant terrace |
| CN111206742A (en) * | 2020-01-13 | 2020-05-29 | 中铁六局集团有限公司 | Ground stone laying method |
| CN111642921A (en) * | 2020-05-28 | 2020-09-11 | 浙江迈瑞智能家居有限公司 | Furniture table top and processing technology thereof |
| CN112921799A (en) * | 2021-03-01 | 2021-06-08 | 成都高速公路建设开发有限公司 | Construction method for urban bridge cross longitudinal and transverse expansion joints |
| CN114032724A (en) * | 2021-09-18 | 2022-02-11 | 同济大学 | Assembled recycled concrete rural pavement |
-
2011
- 2011-07-01 CN CN2011202300498U patent/CN202208877U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533093A (en) * | 2015-01-08 | 2015-04-22 | 王玲 | Floor tile pavement floor structure and pavement method thereof |
| CN104533093B (en) * | 2015-01-08 | 2016-06-22 | 王玲 | Floor tile paving ground structure and laying method thereof |
| CN105064660A (en) * | 2015-07-16 | 2015-11-18 | 上海市园林设计院有限公司 | Structure for preventing laying surface layer from cracking and method for preventing laying surface layer from cracking |
| CN108486978A (en) * | 2016-07-22 | 2018-09-04 | 南通八建集团有限公司 | The wing square stone material of the good severe cold area large area of effect is mated formation prevention and cure of crack method |
| CN109424159A (en) * | 2017-08-30 | 2019-03-05 | 罗雪洁 | A kind of concrete abrasion-resistant terrace |
| CN111206742A (en) * | 2020-01-13 | 2020-05-29 | 中铁六局集团有限公司 | Ground stone laying method |
| CN111642921A (en) * | 2020-05-28 | 2020-09-11 | 浙江迈瑞智能家居有限公司 | Furniture table top and processing technology thereof |
| CN112921799A (en) * | 2021-03-01 | 2021-06-08 | 成都高速公路建设开发有限公司 | Construction method for urban bridge cross longitudinal and transverse expansion joints |
| CN114032724A (en) * | 2021-09-18 | 2022-02-11 | 同济大学 | Assembled recycled concrete rural pavement |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20180701 |