CN203716158U - Connecting structure of bituminous concrete core wall and concrete base of steep slope - Google Patents
Connecting structure of bituminous concrete core wall and concrete base of steep slope Download PDFInfo
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- CN203716158U CN203716158U CN201420049724.0U CN201420049724U CN203716158U CN 203716158 U CN203716158 U CN 203716158U CN 201420049724 U CN201420049724 U CN 201420049724U CN 203716158 U CN203716158 U CN 203716158U
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- China
- Prior art keywords
- core wall
- concrete core
- concrete
- asphaltic
- asphaltic concrete
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Links
- 239000010426 asphalt Substances 0.000 claims abstract description 51
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000001680 brushing effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims description 3
- 150000002632 lipids Chemical class 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005056 compaction Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a connecting structure of a bituminous concrete core wall and a concrete base of a steep slope. The connecting structure comprises the concrete base, bitumen, bituminous mortar, a bituminous concrete core wall amplifying head and the bituminous concrete core wall, wherein the concrete base and the bituminous concrete core wall amplifying head are connected through a flat joint, and a metal water-stopping strip is arranged in the middle part. Admixture used for improving the heat stability performance of the slope is arranged inside the bituminous mortar, the two sides of the bituminous concrete core wall amplifying head and the bituminous concrete core wall adopt bituminous concrete with high bitumen content, and the cross section of the metal water-stopping strip is U-shaped. The connecting structure improves the deformation compatibility performance of the bituminous concrete core wall of the steep slope and the heat stability performance of the slope, the connecting way between the bituminous concrete core wall amplifying head and the concrete base is simplified, the construction of the concrete base and the compaction of the core wall bituminous concrete are convenient, and the anti-seepage effect of the joint is good.
Description
Technical field
The utility model relates to the asphaltic concrete core wall technical field of Hydraulic and Hydro-Power Engineering, relates in particular to the syndeton of a kind of gradient slope asphaltic concrete core wall and concrete pedestal.
Background technology
Asphaltic concrete core wall and asphaltic concrete core wall amplifying head all adopt the bituminous concrete of plain asphalt content configuration conventionally, a little less than the compatibility of deformation ability in dam body; In asphalt mortar, bituminous mortar, without spike, its slope thermal stability is poor, is unsuitable for building in gradient slope area.Between concrete pedestal and asphaltic concrete core wall amplifying head, the general arc-shaped joint that adopts connects, middle part is not established sealing or is established W type, Z-type metallic water stop sheet, not only concrete pedestal construction bothers, and cause cannot adopting vibrating roller grinding compacting with sealing piece periphery bituminous concrete in arc-shaped joint groove, joint anti-seepage effect is not good.
Utility model content
The purpose of this utility model is to provide that a kind of asphaltic concrete core wall compatibility of deformation is strong with slope heat stability, asphaltic concrete core wall amplifying head is connected with concrete pedestal pattern simple, facilitate concrete pedestal construction and core-wall bituminous concrete to roll the good gradient slope asphaltic concrete core wall of compacting, joint anti-seepage effect and the syndeton of concrete pedestal, thereby the foregoing problems existing in solution prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A syndeton for gradient slope asphaltic concrete core wall and concrete pedestal, comprising: concrete pedestal 1, pitch 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4 and asphaltic concrete core wall 5; Between described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, adopt plain adapter to connect, the middle part of the connecting portion of described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4) is provided with metallic water stop sheet 6; Described pitch 2 brushings are on the joint face of described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, and described asphalt mortar, bituminous mortar 3 brushings have on the described concrete pedestal 1 of described pitch 2 and the joint face of described asphaltic concrete core wall amplifying head 4 in brushing.
Preferably, the spraying scope of described pitch 2 extends to the position of the upstream and downstream>=0.5m of described asphalt mortar, bituminous mortar 3, and quantity for spray is 0.15kg/m
2～0.25kg/m
2.
Preferably, the thickness of described asphalt mortar, bituminous mortar 3 is 1cm～5cm, and brushing scope is identical with the thickness of the described asphaltic concrete core wall amplifying head 4 of contact.
Preferably, the thickness of described asphaltic concrete core wall amplifying head 4 riverbed ends is identical with the thickness of described asphaltic concrete core wall 5, described asphaltic concrete core wall amplifying head 4 onshore edge directions gradually thickening to 1.5～2.5 times of described asphaltic concrete core wall 5 thickness.
Preferably, described asphaltic concrete core wall amplifying head 4 adopts the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than described asphaltic concrete core wall 5 mid portions.
Preferably, described asphaltic concrete core wall 5 both sides 5m～15m scopes adopt the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than mid portion.
Preferably, described metallic water stop sheet 6 is copper water stop or stainless steel sealing piece.
Preferably, the thickness of described metallic water stop sheet 6 is 0.8mm～1.6mm, and transverse shape is U-shaped, and nose 7 is highly 40mm～80mm, and nose 7 width are 12mm～20mm, and two flat sections of width are 150mm～300mm.
Preferably, in described asphalt mortar, bituminous mortar 3, be mixed with polyester fiber or SBS modifier or sour lipid additive, for improving slope thermal stability.
Preferably, described pitch 2 is cationic emulsified bitumen or cut back bitumen.
The beneficial effects of the utility model are:
By the spike adding in this asphalt mortar, bituminous mortar, and the bituminous concrete of the high bitumen content configuration adopting in asphaltic concrete core wall amplifying head and asphaltic concrete core wall both sides, improved compatibility of deformation performance and the slope thermal stability of gradient slope asphaltic concrete core wall; The connection pattern between asphaltic concrete core wall amplifying head and concrete pedestal has been simplified in the utilization of plain adapter and U-shaped metallic water stop sheet, facilitate the compacting that rolls of concrete pedestal construction and core-wall bituminous concrete, joint anti-seepage effect is good, has directive significance and dissemination widely.
Accompanying drawing explanation
Fig. 1 is the syndeton floor map of gradient slope asphaltic concrete core wall of the present utility model and concrete pedestal;
Fig. 2 is the partial enlarged drawing of the syndeton floor map of gradient slope asphaltic concrete core wall of the present utility model and concrete pedestal;
Wherein: 1---concrete pedestal; 2---pitch; 3---asphalt mortar, bituminous mortar; 4---asphaltic concrete core wall amplifying head; 5---asphaltic concrete core wall; 6---metallic water stop sheet; The nose of 7---metallic water stop sheet;
Direction shown in arrow is water (flow) direction.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.Should be appreciated that the specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1-2, the syndeton that the utility model discloses a kind of gradient slope asphaltic concrete core wall and concrete pedestal comprises: concrete pedestal 1, pitch 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4, asphaltic concrete core wall 5; Between described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, adopt plain adapter to connect, the middle part of the connecting portion of described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4) is provided with metallic water stop sheet 6; Described pitch 2 brushings are on the joint face of described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, and described asphalt mortar, bituminous mortar 3 brushings have on the described concrete pedestal 1 of described pitch 2 and the joint face of described asphaltic concrete core wall amplifying head 4 in brushing.The spraying scope of described pitch 2 extends to the position of the upstream and downstream>=0.5m of described asphalt mortar, bituminous mortar 3, and quantity for spray is 0.15kg/m
2～0.25kg/m
2.The thickness of described asphalt mortar, bituminous mortar 3 is 1cm～5cm, and brushing scope is identical with the thickness of the described asphaltic concrete core wall amplifying head 4 of contact.The thickness of described asphaltic concrete core wall amplifying head 4 riverbed ends is identical with the thickness of described asphaltic concrete core wall 5, described asphaltic concrete core wall amplifying head 4 onshore edge directions gradually thickening to 1.5～2.5 times of described asphaltic concrete core wall 5 thickness.Described asphaltic concrete core wall amplifying head 4 adopts the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than described asphaltic concrete core wall 5 mid portions.Described asphaltic concrete core wall 5 both sides 5m～15m scopes adopt the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than mid portion.Described metallic water stop sheet 6 is copper water stop or stainless steel sealing piece.The thickness of described metallic water stop sheet 6 is 0.8mm～1.6mm, and transverse shape is U-shaped, and nose 7 is highly 40mm～80mm, and nose 7 width are 12mm～20mm, and two flat sections of width are 150mm～300mm.In described asphalt mortar, bituminous mortar 3, be mixed with polyester fiber or SBS modifier or sour lipid additive etc. for improving the spike of slope thermal stability.Described pitch 2 is cationic emulsified bitumen or cut back bitumen.
Certain the large hydropower station engineering that adopted technical solutions of the utility model of take below further illustrates by reference to the accompanying drawings as example:
The long 219.9m of certain large hydropower station asphaltic concrete core wall loose rock dam dam crest, maximum height of dam 171.2m, left bank is nearly upright high slope cliff, and average grade is more than 70 °, and right bank is the folded slope landform that two walls press from both sides a slope, approximately 45 ° of average grades.Adopted the syndeton of gradient slope asphaltic concrete core wall of the present utility model and concrete pedestal.
As shown in Figure 1, the syndeton of two sides gradient slope asphaltic concrete core wall and concrete pedestal, comprising: concrete pedestal 1, pitch 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4, asphaltic concrete core wall 5.Between described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, adopt plain adapter to connect, middle part is provided with metallic water stop sheet 6.Described pitch 2 is cut back bitumen, and spraying scope extends to the position of described asphalt mortar, bituminous mortar upstream and downstream 1.0m, and quantity for spray is 0.20kg/m
2.In described asphalt mortar, bituminous mortar 3, be mixed with polyester fiber, thick 3cm, brushing scope is identical with described asphaltic concrete core wall amplifying head 4 thickness of contact.Described asphaltic concrete core wall amplifying head 4 thickness riverbed ends are identical with described asphaltic concrete core wall 5 thickness, to bank gradually thickening to 2.0 times of described asphaltic concrete core wall 5 thickness.Described asphaltic concrete core wall amplifying head 4 adopts the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.6% than described asphaltic concrete core wall 5 mid portions.Described asphaltic concrete core wall 5 both sides 10m scopes adopt the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.6% than mid portion.Described metallic water stop sheet 6 is annealed copper sealing piece, thick 1.2mm, and transverse shape is U-shaped, the high 60mm of nose 7, the wide 20mm of nose 7, two flat sections of wide 250mm, nose 7 can increase its displacement fitness, to avoid it to be cut off by displacement active force.
First concreting pedestal during construction, install metallic water stop sheet simultaneously, after concrete pedestal solidifies well, on its joint face, spray pitch, brushing asphalt mortar, bituminous mortar on pitch, then construction building asphaltic concrete core wall amplifying head and asphaltic concrete core wall, carry out compaction treatment by engine request to the bituminous concrete of core-wall in work progress.
By adopting the disclosed technique scheme of the utility model, obtained following useful effect:
By the spike adding in this asphalt mortar, bituminous mortar, and the bituminous concrete of the high bitumen content configuration adopting in asphaltic concrete core wall amplifying head and asphaltic concrete core wall both sides, improved compatibility of deformation performance and the slope thermal stability of gradient slope asphaltic concrete core wall; The connection pattern between asphaltic concrete core wall amplifying head and concrete pedestal has been simplified in the utilization of plain adapter and U-shaped metallic water stop sheet, facilitate the compacting that rolls of concrete pedestal construction and core-wall bituminous concrete, joint anti-seepage effect is good, has directive significance and dissemination widely.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (10)
1. a syndeton for gradient slope asphaltic concrete core wall and concrete pedestal, is characterized in that, comprising: concrete pedestal (1), pitch (2), asphalt mortar, bituminous mortar (3), asphaltic concrete core wall amplifying head (4) and asphaltic concrete core wall (5); Between described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4), adopt plain adapter to connect, the middle part of the connecting portion of described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4) is provided with metallic water stop sheet (6); Described pitch (2) brushing is on the joint face of described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4), and described asphalt mortar, bituminous mortar (3) brushing has on the described concrete pedestal (1) of described pitch (2) and the joint face of described asphaltic concrete core wall amplifying head (4) in brushing.
2. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, it is characterized in that, the spraying scope of described pitch (2) extends to the position of the upstream and downstream>=0.5m of described asphalt mortar, bituminous mortar (3), and quantity for spray is 0.15kg/m
2～0.25kg/m
2.
3. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, it is characterized in that, the thickness of described asphalt mortar, bituminous mortar (3) is 1cm～5cm, and brushing scope is identical with the thickness of the described asphaltic concrete core wall amplifying head (4) of contact.
4. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, it is characterized in that, the thickness of described asphaltic concrete core wall amplifying head (4) riverbed end is identical with the thickness of described asphaltic concrete core wall (5), described asphaltic concrete core wall amplifying head (4) onshore edge direction gradually thickening to 1.5～2.5 times of described asphaltic concrete core wall (5) thickness.
5. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, it is characterized in that, described asphaltic concrete core wall amplifying head (4) adopts the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than described asphaltic concrete core wall (5) mid portion.
6. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, it is characterized in that, described asphaltic concrete core wall (5) both sides 5m～15m scope adopts the bituminous concrete of high bitumen content configuration, and its bitumen content is higher by 0.3%～0.9% than mid portion.
7. the syndeton of gradient slope asphaltic concrete core wall according to claim 1 and concrete pedestal, is characterized in that, described metallic water stop sheet (6) is copper water stop or stainless steel sealing piece.
8. the syndeton of gradient slope asphaltic concrete core wall according to claim 7 and concrete pedestal, it is characterized in that, the thickness of described metallic water stop sheet (6) is 0.8mm～1.6mm, transverse shape is U-shaped, nose (7) is highly 40mm～80mm, nose (7) width is 12mm～20mm, and two flat sections of width are 150mm～300mm.
9. according to the arbitrary described gradient slope asphaltic concrete core wall of claim 1-8 and the syndeton of concrete pedestal, it is characterized in that, in described asphalt mortar, bituminous mortar (3), be mixed with polyester fiber or SBS modifier or sour lipid additive, for improving slope thermal stability.
10. according to the arbitrary described gradient slope asphaltic concrete core wall of claim 1-8 and the syndeton of concrete pedestal, it is characterized in that, described pitch (2) is cationic emulsified bitumen or cut back bitumen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049724.0U CN203716158U (en) | 2014-01-24 | 2014-01-24 | Connecting structure of bituminous concrete core wall and concrete base of steep slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049724.0U CN203716158U (en) | 2014-01-24 | 2014-01-24 | Connecting structure of bituminous concrete core wall and concrete base of steep slope |
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| Publication Number | Publication Date |
|---|---|
| CN203716158U true CN203716158U (en) | 2014-07-16 |
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|---|---|---|---|
| CN201420049724.0U Expired - Fee Related CN203716158U (en) | 2014-01-24 | 2014-01-24 | Connecting structure of bituminous concrete core wall and concrete base of steep slope |
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| CN (1) | CN203716158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805844A (en) * | 2014-01-24 | 2015-07-29 | 中国水电顾问集团北京勘测设计研究院有限公司 | Connection structure between steep slope bituminous concrete core-wall and concrete foundation |
-
2014
- 2014-01-24 CN CN201420049724.0U patent/CN203716158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805844A (en) * | 2014-01-24 | 2015-07-29 | 中国水电顾问集团北京勘测设计研究院有限公司 | Connection structure between steep slope bituminous concrete core-wall and concrete foundation |
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| 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: 20140716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |