CN1477267A - Road surface interlayer penetration-retained water seepage-proofing method and its construction method - Google Patents
Road surface interlayer penetration-retained water seepage-proofing method and its construction method Download PDFInfo
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- CN1477267A CN1477267A CNA031124720A CN03112472A CN1477267A CN 1477267 A CN1477267 A CN 1477267A CN A031124720 A CNA031124720 A CN A031124720A CN 03112472 A CN03112472 A CN 03112472A CN 1477267 A CN1477267 A CN 1477267A
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- impervious wall
- supercrust
- backwater
- antiseepage film
- ooze
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Abstract
The present invention relates to a road surface inter-layer seepage perched water seepage prevention method and its construction method. The technical scheme is as follows: at the inside or outside of the curbstone of the buffer band on the road centre an impervious wall is set, and the bottom portion of the impervious wall is extended into the roadbed relative waterlight layer. The favorable effect of said invention lies in that the impervious wall and the roadbed relative watertight layer can be formed into a relative closed seepage prevention system so as to ensure that the upper portion of roadbed, second lime-soil layer and stable broken stone can be in dry state in most of time.
Description
Affiliated technical field
The present invention relates to ooze between a kind of supercrust backwater anti-permeation method and job practices thereof.
Background technology
In recent ten years, China has built into many speedways and Class I highway, along with the growth that speedway is open to traffic service time, has produced many diseases.Draw mud, roadbed sidesway etc. as pavement cracking, pavement depression, road surface.Different diseases has the different origin causes of formation, but its produce, development all has direct or indirect relation with the infiltration delay of water.The whole use of speedway is followed in the infiltration of water, is long-term.Therefore the infiltration and the retention problems that solve water all have remarkable effect to administering the various diseases of express highway pavement.
The main source that oozes backwater has: 1, the surface water that forms of artificial green area irrigation, irrigation water are by unhardened processing region around the tree directly or in each deck below being seeped into supercrust.2, by having formed the crack between long-time running road kerb both sides and the road surface, surface water is invaded each deck below the surface layer by the crack.
Summary of the invention
The invention provides a kind of method that solves the infiltration and the delay of road surface intermediary water.
Technical scheme of the present invention is: at the road kerb inboard or the arranged outside impervious wall of highway central partition, the impervious wall bottom enters the roadbed relative water resisting layer.
Beneficial effect of the present invention is: impervious wall is formed the seepage control system of relative closure with the roadbed relative water resisting layer, from the crack of central partition and road kerb both sides, infiltrate in supercrust and the following deck to stop surface water and backwater, guarantee roadbed top, two-ash soil layer and stabilization gravel are in dry state in the most of the time.
Above-mentioned impervious wall comprises the antiseepage film in the middle of being positioned at and is positioned at the cement kaolinite powder mixed serum concrement of antiseepage film both sides.Adopting cement kaolinite powder mixed serum concrement among the present invention is because its good performance is not got rid of the possibility that adopts other concrements.Completely ask the percolation-proof requirement with antiseepage film, good anti-permeability performance is provided.Concrement is fixed on antiseepage film in the middle of the impervious wall, and the outer rock-soil layer microfissure of filling contact surface, improves impervious wall contact both sides face portion anti-permeability performance.Above-mentioned antiseepage film can adopt the PE geomembrane.
Consider the performance of above-mentioned impervious wall, the wide 11mm～40mm that is generally of wall.Wall is wide to be moulded and mortar depositing construction all has certain influence the shop less than 11mm is wide, and what be unfavorable for plastics smoothly goes into groove, slip casting be difficult for closely knit evenly.All do not have influence greater than the wide shop is moulded with slip casting of 40mm, but because the stabilization gravel layer caves in the construction of this kind width slot mid-term, bring very burden for clear groove work, its return slag amount is big, cause difficulty to land clearing.Its return slag particle diameter is bigger simultaneously, influences construction safety, accelerates the facility wearing and tearing, and it is quite slow to advance speed.It is moderate that 11mm～wide its of 40mm wall made groove speed, and the shop is moulded grouting quality and all can be guaranteed, and others also relatively rationally.Wide 20mm, 23mm, 25mm, 27mm, the 30mm of can be of for example above-mentioned impervious wall.
Consider the performance of above-mentioned impervious wall, wherein cement and kaolinite weight proportion are generally 1 to 0.3～0.5.The formed mixed serum of this match ratio physical efficiency of condensing satisfies intensity preferably and adapts to the requirement of deformability aspect.For example said ratio can be 1 to 0.3 or 0.35 or 0.4 or 0.45 or 0.5.
Consider the performance of above-mentioned impervious wall, above-mentioned antiseepage film thickness is generally 0.25mm～0.35mm.If antiseepage film thickness is less than 0.25mm, what be unfavorable for antiseepage film smoothly goes into groove; If its thickness greater than 0.35mm, can increase construction cost.Antiseepage film thickness is that 0.25mm～0.35mm can guarantee that antiseepage film is smooth and goes into groove, saves cost again.For example above-mentioned antiseepage film thickness can be 0.25mm or 0.30mm or 0.35mm.
Ooze the construction process of backwater impervious wall between above-mentioned supercrust: 1) utilize groover to leave groove in the road kerb inboard or the outside of highway central partition, trench bottom enters the roadbed relative water resisting layer; 2) lay antiseepage film; 3) cement kaolinite powder mixed serum is injected in the antiseepage film both sides in groove.Described groove width is 11mm～40mm.
The impervious pressure of this impervious wall is greater than 0.5Mpa.
Description of drawings
Fig. 1 be in the embodiment of the invention one impervious wall at the highway location schematic diagram;
Fig. 2 is the schematic diagram of impervious wall among the embodiment one;
Fig. 3 be in the embodiment of the invention two impervious wall at the highway location schematic diagram.
Among the figure: 1. central partition, 2. road kerb, 3. impervious wall, 4. roadbed relative water resisting layer, 5.PE geomembrane, 6. cement kaolinite powder mixed serum concrement.
The specific embodiment
Embodiment one:
| Data combination | Wall is wide | Cement and kaolinite proportioning | Antiseepage film thickness |
| One | ????11mm | 1 to 0.35 | ????0.3mm |
| Two | ????25mm | 1 to 0.45 | ????0.25mm |
| Three | ????40mm | 1 to 0.3 | ????0.35mm |
| Four | ????20mm | 1 to 0.4 | ????0.3mm |
| Five | ????27mm | 1 to 0.5 | ????0.25mm |
| Six | ????23mm | 1 to 0.35 | ????0.35mm |
| Seven | ????30mm | 1 to 0.45 | ????0.3mm |
| Eight | ????25mm | 1 to 0.35 | ????0.3mm |
As shown in Figure 1, in road kerb 2 inboards of highway central partition 1 impervious wall 3 is set.As shown in Figure 2, impervious wall 3 bottoms enter roadbed relative water resisting layer 4, and impervious wall 3 comprises the PE geomembrane 5 in the middle of the body of wall and is positioned at the cement kaolinite powder mixed serum concrement 6 of antiseepage film both sides.PE geomembrane 5 thickness in the present embodiment, impervious wall 3 walls are wide, cement and kaolinite proportioning be for adopting arbitrary group of data combination in the above-mentioned data combination.
Its job practices is: 1) utilize groover to leave groove in road kerb 2 inboards of highway central partition 1, trench bottom enters roadbed relative water resisting layer 4; 2) lay the PE geomembrane; 3) cement kaolinite powder mixed serum is injected in PE geomembrane 5 both sides in groove.
Embodiment two
| Data combination | Wall is wide | Cement and kaolinite proportioning | Antiseepage film thickness |
| One | ????11mm | 1 to 0.35 | ????0.3mm |
| Two | ????25mm | 1 to 0.45 | ????0.25mm |
| Three | ????40mm | 1 to 0.3 | ????0.35mm |
| Four | ????20mm | 1 to 0.4 | ????0.3mm |
| Five | ????27mm | 1 to 0.5 | ????0.25mm |
| Six | ????23mm | 1 to 0.35 | ????0.35mm |
| Seven | ????30mm | 1 to 0.45 | ????0.3mm |
| Eight | ????25mm | 1 to 0.35 | ????0.3mm |
As shown in Figure 3, at the road kerb 2 arranged outside impervious walls 3 of highway central partition 1.As shown in Figure 2, impervious wall 3 bottoms enter roadbed relative water resisting layer 4, and impervious wall 3 comprises the PE geomembrane 5 in the middle of the body of wall and is positioned at the cement kaolinite powder mixed serum concrement 6 of PE geomembrane 5 both sides.PE geomembrane 5 thickness in the present embodiment, impervious wall 3 walls are wide, cement and kaolinite proportioning be for adopting arbitrary group of data combination in the above-mentioned data combination.
Its job practices is: 1) utilize groover to leave groove in road kerb 2 outsides of highway central partition 1, trench bottom enters roadbed relative water resisting layer 4; 2) lay PE geomembrane 5; 3) cement kaolinite powder mixed serum is injected in PE geomembrane 5 both sides in groove.
Claims (7)
1. ooze the backwater anti-permeation method between a supercrust, it is characterized in that: road kerb (2) inboard or arranged outside impervious wall (3) in highway central partition (1), impervious wall (3) bottom enters roadbed relative water resisting layer (4).
2. ooze the backwater anti-permeation method between supercrust as claimed in claim 1, it is characterized in that: described impervious wall (3) comprises the antiseepage film in the middle of being positioned at and is positioned at the cement kaolinite powder mixed serum concrement (6) of antiseepage film both sides.
3. ooze the backwater anti-permeation method between supercrust as claimed in claim 1 or 2, it is characterized in that: the wide 11mm～40mm of being of described impervious wall (3).
4. ooze the backwater anti-permeation method between supercrust as claimed in claim 3, it is characterized in that: wherein cement and kaolinite weight proportion are 1 to 0.3～0.5.
5. ooze the backwater anti-permeation method between supercrust as claimed in claim 4, it is characterized in that: described antiseepage film thickness is 0.25mm～0.35mm.
6. the job practices of oozing the backwater impervious wall between claim 1 or 2 described supercrusts, it is characterized in that: 1) leave groove in road kerb (2) inboard or the outside of highway central partition (1), trench bottom enters roadbed relative water resisting layer (4); 2) lay antiseepage film; 3) cement kaolinite powder mixed serum is injected in the antiseepage film both sides in groove.
7. the job practices as oozing the backwater impervious wall between supercrust as described in the claim 6, it is characterized in that: described groove width is 11mm～40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112472 CN1200168C (en) | 2003-07-04 | 2003-07-04 | Road surface interlayer penetration-retained water seepage-proofing method and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112472 CN1200168C (en) | 2003-07-04 | 2003-07-04 | Road surface interlayer penetration-retained water seepage-proofing method and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1477267A true CN1477267A (en) | 2004-02-25 |
| CN1200168C CN1200168C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03112472 Expired - Fee Related CN1200168C (en) | 2003-07-04 | 2003-07-04 | Road surface interlayer penetration-retained water seepage-proofing method and its construction method |
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| Country | Link |
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| CN (1) | CN1200168C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612017A (en) * | 2014-12-12 | 2015-05-13 | 王新华 | Cement concrete pavement with water-blocking walls |
| CN108951711A (en) * | 2018-09-12 | 2018-12-07 | 中节能大地环境修复有限公司 | A kind of hazardous waste pollution joint vertical divider structure and its construction method for Bed Rock Region |
-
2003
- 2003-07-04 CN CN 03112472 patent/CN1200168C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612017A (en) * | 2014-12-12 | 2015-05-13 | 王新华 | Cement concrete pavement with water-blocking walls |
| CN108951711A (en) * | 2018-09-12 | 2018-12-07 | 中节能大地环境修复有限公司 | A kind of hazardous waste pollution joint vertical divider structure and its construction method for Bed Rock Region |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1200168C (en) | 2005-05-04 |
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Granted publication date: 20050504 Termination date: 20110704 |