CN104805844B - Gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal - Google Patents
Gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal Download PDFInfo
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- CN104805844B CN104805844B CN201410035757.4A CN201410035757A CN104805844B CN 104805844 B CN104805844 B CN 104805844B CN 201410035757 A CN201410035757 A CN 201410035757A CN 104805844 B CN104805844 B CN 104805844B
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- asphaltic concrete
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Abstract
The invention discloses the attachment structure of a kind of gradient slope asphaltic concrete core wall and concrete pedestal, including: concrete pedestal, Colophonium, asphalt mortar, bituminous mortar, asphaltic concrete core wall amplifying head, asphaltic concrete core wall.Using plain adapter to connect between described concrete pedestal and described asphaltic concrete core wall amplifying head, middle part is provided with metallic water stop sheet.Described asphalt mortar, bituminous mortar has the spike improving slope thermal stability.Described asphaltic concrete core wall amplifying head and described asphaltic concrete core wall both sides use the bituminous concrete of high bitumen content configuration.Described metallic water stop sheet transverse shape is U-shaped.The present invention improves compatibility of deformation performance and the slope thermal stability of gradient slope asphaltic concrete core wall, simplify the linked vector graph between asphaltic concrete core wall amplifying head and concrete pedestal, facilitate concrete pedestal construction and core-wall bituminous concrete roll compacting, joint anti-seepage effect is good.
Description
Technical field
The present invention relates to the asphaltic concrete core wall technical field of Hydraulic and Hydro-Power Engineering, particularly relate to a kind of steep limit
Slope asphaltic concrete core wall and the attachment structure of concrete pedestal.
Background technology
Asphaltic concrete core wall and asphaltic concrete core wall amplifying head the most all use plain asphalt content to configure
Bituminous concrete, the compatibility of deformation ability in dam body is weak；Without spike in asphalt mortar, bituminous mortar, its slope heat is steady
Determine poor performance, be unsuitable for building in gradient slope area.Concrete pedestal and asphaltic concrete core wall amplifying head it
Between general use arc-shaped joint to connect, middle part does not set sealing or sets W type, Z-type metallic water stop sheet, not only coagulation
Soil basement construction trouble, and cannot use with sealing piece periphery bituminous concrete in causing arc-shaped joint groove
Vibrating roller grinding compacting, joint anti-seepage effect is the best.
Summary of the invention
It is an object of the invention to provide a kind of asphaltic concrete core wall compatibility of deformation and slope heat stability
By force, asphaltic concrete core wall amplifying head and concrete pedestal linked vector graph are simple, facilitate concrete pedestal to construct
The good gradient slope asphaltic concrete core wall of compacting, joint anti-seepage effect is rolled with mixed with core-wall bituminous concrete
The attachment structure of solidifying soil matrix seat, thus solve foregoing problems present in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal, including: concrete pedestal 1,
Colophonium 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4 and asphaltic concrete core wall 5；Described concrete
Plain adapter is used to connect between pedestal 1 and described asphaltic concrete core wall amplifying head 4, described concrete pedestal 1 He
The middle part of the connecting portion of described asphaltic concrete core wall amplifying head 4 is provided with metallic water stop sheet 6；Described Colophonium 2 is brushed
On the described concrete pedestal 1 joint face with described asphaltic concrete core wall amplifying head 4, described asphalt mortar, bituminous mortar 3
Brush and be painted with the described concrete pedestal 1 of described Colophonium 2 and described asphaltic concrete core wall amplifying head 4
On joint face.
Preferably, the spray range of described Colophonium 2 extends to the position of upstream and downstream >=0.5m of described asphalt mortar, bituminous mortar 3
Putting, quantity for spray is 0.15kg/m2～0.25kg/m2。
Preferably, the thickness of described asphalt mortar, bituminous mortar 3 is 1cm～5cm, brushing scope and the described Colophonium coagulation contacted
The thickness of soil core-wall amplifying head 4 is identical.
Preferably, the thickness of described asphaltic concrete core wall amplifying head 4 riverbed end and described asphaltic concrete core wall 5
Thickness identical, described asphaltic concrete core wall amplifying head 4 onshore edge direction the most thickening to described Colophonium coagulation
1.5～2.5 times of soil core-wall 5 thickness.
Preferably, described asphaltic concrete core wall amplifying head 4 uses the bituminous concrete that high bitumen content configures,
Its bitumen content is than described asphaltic concrete core wall 5 mid portion high 0.3%～0.9%.
Preferably, described asphaltic concrete core wall 5 both sides 5m～15m scope use the Colophonium of high bitumen content configuration
Concrete, its bitumen content is than mid portion high 0.3%～0.9%.
Preferably, described metallic water stop sheet 6 is copper water stop or rustless steel sealing piece.
Preferably, the thickness of described metallic water stop sheet 6 is 0.8mm～1.6mm, and transverse shape is U-shaped, nose 7
Being highly 40mm～80mm, nose 7 width is 12mm～20mm, and two flat sections of width are 150mm～300mm.
Preferably, mixed with polyester fiber or SBS modifier or acid lipid additive in described asphalt mortar, bituminous mortar 3,
For improving slope thermal stability.
Preferably, described Colophonium 2 is cationic emulsified bitumen or cut-back asphalt.
The invention has the beneficial effects as follows:
By the spike added in this asphalt mortar, bituminous mortar, and at asphaltic concrete core wall amplifying head and Colophonium coagulation
The bituminous concrete of the high bitumen content configuration that soil core-wall both sides use, improves the gradient slope bituminous concrete heart
The compatibility of deformation performance of wall and slope thermal stability；The utilization of plain adapter and U-shaped metallic water stop sheet simplifies drip
Linked vector graph between blue or green concrete core-wall amplifying head and concrete pedestal, facilitates concrete pedestal construction and the heart
Wall bituminous concrete roll compacting, joint anti-seepage effect is good, has directive significance and promote meaning widely
Justice.
Accompanying drawing explanation
Fig. 1 is the gradient slope asphaltic concrete core wall attachment structure plane signal with concrete pedestal of the present invention
Figure；
Fig. 2 is the gradient slope asphaltic concrete core wall attachment structure plane signal with concrete pedestal of the present invention
The partial enlarged drawing of figure；
Wherein: 1---concrete pedestal；2---Colophonium；3---asphalt mortar, bituminous mortar；4---asphaltic concrete core wall
Amplifying head；5---asphaltic concrete core wall；6---metallic water stop sheet；7---nose；
Direction shown in arrow is water (flow) direction.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, to this
Invention is further elaborated.Should be appreciated that detailed description of the invention described herein is only in order to solve
Release the present invention, be not intended to limit the present invention.
As shown in Figure 1-2, the invention discloses the company of a kind of gradient slope asphaltic concrete core wall and concrete pedestal
Access node structure includes: concrete pedestal 1, Colophonium 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4, drip
Blue or green concrete core-wall 5；Use between described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4 and flush
Head connects, and 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 Colophonium 2 is brushed at described concrete pedestal 1 and described asphaltic concrete core wall amplifying head
On the joint face of 4, described asphalt mortar, bituminous mortar 3 is brushed and is being painted with described concrete pedestal 1 and the institute of described Colophonium 2
State on the joint face of asphaltic concrete core wall amplifying head 4.The spray range of described Colophonium 2 extends to described Colophonium
The position of the upstream and downstream >=0.5m of mortar 3, quantity for spray is 0.15kg/m2～0.25kg/m2.Described asphalt mortar, bituminous mortar 3
Thickness be 1cm～5cm, brushing scope is identical with the thickness of the described asphaltic concrete core wall amplifying head 4 contacted.
The thickness of described asphaltic concrete core wall amplifying head 4 riverbed end and the thickness phase of described asphaltic concrete core wall 5
With, described asphaltic concrete core wall amplifying head 4 onshore the most thickening to the described asphaltic concrete core wall of edge direction 5
1.5～2.5 times of thickness.The Colophonium that described asphaltic concrete core wall amplifying head 4 uses high bitumen content to configure mixes
Solidifying soil, its bitumen content is than described asphaltic concrete core wall 5 mid portion high 0.3%～0.9%.Described Colophonium
Concrete core-wall 5 both sides 5m～15m scope use the bituminous concrete of high bitumen content configuration, its bitumen content ratio
Mid portion high 0.3%～0.9%.Described metallic water stop sheet 6 is copper water stop or rustless steel sealing piece.Institute
The thickness stating metallic water stop sheet 6 is 0.8mm～1.6mm, and transverse shape is U-shaped, and nose 7 height is
40mm～80mm, nose 7 width is 12mm～20mm, and two flat sections of width are 150mm～300mm.Described tar sand
Mixed with polyester fiber or SBS modifier or acid lipid additive in slurry 3, it is used for improving slope heat stability
The spike of energy.Described Colophonium 2 is cationic emulsified bitumen or cut-back asphalt.
Accompanying drawing is combined furtherly below as a example by certain the large hydropower station engineering that have employed technical solution of the present invention
Bright:
Certain large hydropower station long 219.9m of rockfill dam with asphalt concrete core dam crest, maximum height of dam 171.2m, left bank
For nearly upright high slope cliff, mean inclination is more than 70 °, and right bank is the folded slope landform that two walls press from both sides a slope, averagely
The gradient about 45 °.Have employed the gradient slope asphaltic concrete core wall of the present invention and the attachment structure of concrete pedestal.
As it is shown in figure 1, two sides gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal, including:
Concrete pedestal 1, Colophonium 2, asphalt mortar, bituminous mortar 3, asphaltic concrete core wall amplifying head 4, asphaltic concrete core wall 5.
Plain adapter is used to connect between described concrete pedestal 1 and described asphaltic concrete core wall amplifying head 4, described mixed
The middle part of the connecting portion of solidifying soil matrix seat 1 and described asphaltic concrete core wall amplifying head 4 is provided with metallic water stop sheet 6.Institute
Stating Colophonium 2 is cut-back asphalt, and spray range extends to the position of described asphalt mortar, bituminous mortar upstream and downstream 1.0m, spraying
Amount is 0.20kg/m2.Mixed with polyester fiber in described asphalt mortar, bituminous mortar 3, thick 3cm, brushing scope and the institute contacted
State asphaltic concrete core wall amplifying head 4 thickness identical.Described asphaltic concrete core wall amplifying head 4 thickness riverbed end
Identical with described asphaltic concrete core wall 5 thickness, to bank, the most thickening to described asphaltic concrete core wall 5 is thick
2.0 times of degree.Described asphaltic concrete core wall amplifying head 4 uses the bituminous concrete that high bitumen content configures,
Its bitumen content is higher by 0.6% than described asphaltic concrete core wall 5 mid portion.Described asphaltic concrete core wall 5 liang
Side 10m scope uses 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,
Nose 7 wide 20mm, two flat sections of wide 250mm, nose 7 can increase its displacement fitness, to avoid it to be displaced by
Active force is cut off.
Elder generation's casting concrete pedestal during construction, installs metallic water stop sheet simultaneously, after concrete pedestal solidifies well,
Its joint face sprays Colophonium, brushing asphalt mortar, bituminous mortar on Colophonium, then the construction building bituminous concrete heart
Wall amplifying head and asphaltic concrete core wall, carried out the bituminous concrete of core-wall by engine request in work progress
Compaction treatment.
By using technique scheme disclosed by the invention, obtain following beneficial effect:
By the spike added in this asphalt mortar, bituminous mortar, and at asphaltic concrete core wall amplifying head and bituminous concrete
The bituminous concrete of the high bitumen content configuration that core-wall both sides use, improves gradient slope asphaltic concrete core wall
Compatibility of deformation performance and slope thermal stability；The utilization of plain adapter and U-shaped metallic water stop sheet simplifies Colophonium
Linked vector graph between concrete core-wall amplifying head and concrete pedestal, facilitates concrete pedestal construction and core-wall
Bituminous concrete roll compacting, joint anti-seepage effect is good, has directive significance and dissemination widely.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, this
A little improvements and modifications also should regard protection scope of the present invention.
Claims (8)
1. a gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal, it is characterised in that bag
Include: concrete pedestal (1), Colophonium (2), asphalt mortar, bituminous mortar (3), asphaltic concrete core wall amplifying head (4)
With asphaltic concrete core wall (5)；Described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4)
Between use plain adapter connect, described concrete pedestal (1) and described asphaltic concrete core wall amplifying head (4)
The middle part of connecting portion be provided with metallic water stop sheet (6)；Described Colophonium (2) is brushed in described concrete pedestal (1)
With on the joint face of described asphaltic concrete core wall amplifying head (4), described asphalt mortar, bituminous mortar (3) brushing is being coated with
It is brushed with the described concrete pedestal (1) of described Colophonium (2) and described asphaltic concrete core wall amplifying head (4)
Joint face on；
The thickness of described asphalt mortar, bituminous mortar (3) is 1cm～5cm；
The bituminous concrete that described asphaltic concrete core wall amplifying head (4) uses high bitumen content to configure, its drip
Blue or green content is than described asphaltic concrete core wall (5) mid portion high 0.3%～0.9%.
Gradient slope asphaltic concrete core wall the most according to claim 1 and the attachment structure of concrete pedestal,
It is characterized in that, the spray range of described Colophonium (2) extends to the upstream and downstream of described asphalt mortar, bituminous mortar (3)
The position of >=0.5m, quantity for spray is 0.15kg/m2～0.25kg/m2。
Gradient slope asphaltic concrete core wall the most according to claim 1 and the attachment structure of concrete pedestal,
It is characterized in that, the brushing scope of described asphalt mortar, bituminous mortar (3) is amplified with the described asphaltic concrete core wall contacted
The thickness of head (4) is identical.
Gradient slope asphaltic concrete core wall the most according to claim 1 and the attachment structure of concrete pedestal,
It is characterized in that, the thickness of described asphaltic concrete core wall amplifying head (4) riverbed end and described bituminous concrete
The thickness of core-wall (5) is identical, and described asphaltic concrete core wall amplifying head (4) onshore edge direction is the most thickening
To described asphaltic concrete core wall (5) thickness 1.5～2.5 times.
Gradient slope asphaltic concrete core wall the most according to claim 1 and the attachment structure of concrete pedestal,
It is characterized in that, described metallic water stop sheet (6) is copper water stop or rustless steel sealing piece.
Gradient slope asphaltic concrete core wall the most according to claim 5 and the attachment structure of concrete pedestal,
It is characterized in that, the thickness of described metallic water stop sheet (6) is 0.8mm～1.6mm, and transverse shape is U-shaped,
Nose (7) height is 40mm～80mm, and nose (7) width is 12mm～20mm, and two flat sections of width are
150mm～300mm.
7. according to the connection of the arbitrary described gradient slope asphaltic concrete core wall of claim 1-6 with concrete pedestal
Structure, it is characterised in that mixed with polyester fiber or SBS modifier or acid in described asphalt mortar, bituminous mortar (3)
Lipid additive, is used for improving slope thermal stability.
8. according to the connection of the arbitrary described gradient slope asphaltic concrete core wall of claim 1-6 with concrete pedestal
Structure, it is characterised in that described Colophonium (2) is cationic emulsified bitumen or cut-back asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410035757.4A CN104805844B (en) | 2014-01-24 | Gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410035757.4A CN104805844B (en) | 2014-01-24 | Gradient slope asphaltic concrete core wall and the attachment structure of concrete pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104805844A CN104805844A (en) | 2015-07-29 |
| CN104805844B true CN104805844B (en) | 2016-11-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 100024 Beijing city Chaoyang District, 1 West Street Applicant after: BEIJING ENGINEERING CORPORATION LIMITED Address before: 100024 Beijing city Chaoyang District, 1 West Street Applicant before: Co., Ltd of Hydrochina Beijing Engineering Corporation |
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| GR01 | Patent grant |