CN205000290U - Bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure - Google Patents
Bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure Download PDFInfo
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- CN205000290U CN205000290U CN201520595337.1U CN201520595337U CN205000290U CN 205000290 U CN205000290 U CN 205000290U CN 201520595337 U CN201520595337 U CN 201520595337U CN 205000290 U CN205000290 U CN 205000290U
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Abstract
The utility model relates to a bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure. The utility model discloses an improve atress and deformation condition that bottom of the reservior pitch thoughtlessly congeals panel and concrete panel combination department of storehouse slope effectively, increase the holistic stability of engineering, strengthen the security and the reliability of engineering operation. The utility model provides a: this connection structure passes through the bottom of the reservior pitch that concrete foundation connects both sides and thoughtlessly congeals panel and storehouse slope concrete panel, and concrete foundation includes base top surface, base storehouse slope side slope, base bottom of the reservior side slope and bottom base, and the suitable domatic slope of bottom base both sides is 1: K, K=0.3-0.75, the base top surface thoughtlessly congeals the panel surface smooth connection with bottom of the reservior pitch, base storehouse slope side slope and approximate the intersecting vertically of storehouse slope concrete panel, base bottom of the reservior side slope congeal thoughtlessly with bottom of the reservior pitch that the panel is approximate to intersect vertically, set up drainage gallery in the concrete foundation and access to the drain pipe that bottom of the reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel respectively.
Description
Technical field
The utility model relates to a kind of bottom of the reservior pitch coagulation panel and slope, storehouse concrete surface board connecting structure.Mainly be applicable to the engineering that pumped storage power plant storehouse basin adopts asphalt concrete face slab antiseepage, storehouse bank adopts steel concrete antiseepage.
Background technology
Asphalt concrete seepage prevention body, with features such as its good barrier performance, adaptive deformation ability and defect repair agilities, is widely used in Hydraulic and Hydro-Power Engineering.Since 20 end of the centurys, China's First full storehouse basin adopted the Tianhuangping Pumped storage Power Plant of asphalt concrete face slab antiseepage successfully to build, bituminous concrete is used in a large number in the basin antiseepage of China's pumped storage power plant storehouse.
For pumped storage power plant, if topographic and geologic conditions permit, engineering adopts the basin antiseepage of full storehouse all comparatively convenient in structure design, construction etc.; But when reservoir stability is suddenly in 1:1.4, then should not adopt asphalt concrete face slab antiseepage, experimental study finds, when the asphalt concrete face slab gradient is suddenly in 1:1.4, temperature more than 50 DEG C will make the trickling of asphaltogenic slope, the reliability of asphalt concrete face slab impervious body will can not be guaranteed, and now, can only adopt the steel concrete panel antiseepage of economy and better reliability.When bottom of the reservior adopts asphalt concrete seepage prevention, storehouse bank slope employing steel concrete panel antiseepage, in both junctions, adopt which kind of connected mode can guarantee the reliability of joining place, become a large difficult point of design engineer.
Summary of the invention
The technical problems to be solved in the utility model is: for above-mentioned existing problems, a kind of bottom of the reservior pitch coagulation panel and slope, storehouse concrete surface board connecting structure are provided, effectively can improve the stressed and deformation condition of both junctions, increase the stability of engineering entirety, strengthen safety and the reliability of engineering operation.
The technical scheme that the utility model adopts is: a kind of bottom of the reservior pitch coagulation panel and slope, storehouse concrete surface board connecting structure, it is characterized in that: this syndeton connects bottom of the reservior pitch coagulation panel and slope, the storehouse concrete slab of both sides by concrete pedestal, described concrete pedestal comprises base top surface, slope, pedestal Ku Po side, slope, side, pedestal bottom of the reservior and bottom base, the suitable domatic gradient of bottom base both sides is 1:K, K=0.3 ~ 0.75, base top surface and the smooth connection of bottom of the reservior pitch coagulation panel surface; Po Yuku slope, described pedestal Ku Po side concrete slab near normal intersects, and slope, side, pedestal bottom of the reservior is crossing with bottom of the reservior pitch coagulation panel near normal; Collector drain is set in described concrete pedestal and leads to the gutter of bottom of the reservior pitch coagulation panel and slope, storehouse concrete slab respectively.
Described bottom of the reservior pitch coagulation panel is followed successively by hardcore bed, bituminous concrete leveling glued layer, reinforced bar net, asphalt concrete seepage prevention layer and bitumastic confining bed from below to up, and the triangle zone surrounded on bituminous concrete leveling glued layer, reinforced bar net and slope, side, pedestal bottom of the reservior arranges asphalt mortar, bituminous mortar sphenoid, and add bituminous concrete thickening layer between asphalt concrete seepage prevention layer and bitumastic confining bed.
Slope, described storehouse concrete slab comprises the non-fine concrete bed course of bottom and the steel concrete panel on top, and the gradient of the inclined slope aspect of this panel is 1:M, M is more than or equal to 0.75.
Described gutter one end is connected with collector drain, and the other end stretches into non-fine concrete bed course and hardcore bed respectively.
The plastic filler of recessed teeth groove shape is provided with between described base top surface and the end at position, reinforced bar net joint.
Water-stopping system is provided with between the concrete slab of Po Yuku slope, described pedestal Ku Po side.
The beneficial effects of the utility model are: the utility model effectively improves the stressed and deformation condition of the junction of bottom of the reservior pitch coagulation panel and slope, storehouse concrete slab, adds the stability of engineering entirety, strengthen safety and the reliability of engineering operation.
Accompanying drawing explanation
Fig. 1 is generalized section of the present utility model.
Detailed description of the invention
As shown in Figure 1, the present embodiment is a kind of bottom of the reservior pitch coagulation panel and slope, storehouse concrete surface board connecting structure and construction method, there is bottom of the reservior pitch coagulation panel, slope, storehouse concrete slab, and connect the bottom of the reservior pitch coagulation panel of both sides and the concrete pedestal 1 of slope, storehouse concrete slab.Concrete pedestal 1 comprises the base top surface 1-1 with bottom of the reservior pitch coagulation panel surface smooth connection, the pedestal Ku Po side slope 1-2 that or near normal vertical with slope, storehouse concrete slab is connected, slope, side, the pedestal bottom of the reservior 1-3 that or near normal vertical with bottom of the reservior pitch coagulation panel is connected, and bottom base 1-4, bottom of the reservior pitch coagulation panel is followed successively by hardcore bed 5 from below to up, bituminous concrete leveling glued layer 6, reinforced bar net 8, asphalt concrete seepage prevention layer 9 and bitumastic confining bed 11, and at slope, side, pedestal bottom of the reservior 1-3, asphalt mortar, bituminous mortar sphenoid 7 is furnished with in the Delta Region that bituminous concrete leveling glued layer 6 and reinforced bar net 8 surround, bituminous concrete thickening layer 10 is provided with between asphalt concrete seepage prevention layer 9 and bitumastic confining bed 11, slope, storehouse concrete slab is from bottom to top followed successively by non-fine concrete bed course 12 and steel concrete panel 13, the plastic filler 4 of recessed teeth groove shape is provided with in contact with reinforced bar net 8 end at position of the base top surface 1-1 of concrete pedestal 1, water-stopping system 14 is provided with at the connecting portion of pedestal Ku Po side slope 1-2 and slope, storehouse concrete slab, be embedded with collector drain 2 in concrete pedestal 1, in the two side of collector drain, be provided with the gutter 3 stretching into hardcore bed 5 and non-fine concrete bed course 12 respectively.
The Specific construction step of the present embodiment is as follows:
Building of a, concrete pedestal 1 and collector drain 2: at bottom of the reservior pitch coagulation panel and concrete slab junction, slope, storehouse concreting pedestal 1, for maintaining the stability of bottom of the reservior pitch coagulation panel and slope, storehouse concrete slab, and physical dimension is set in concrete pedestal 1 generally can meets the collector drain 2 that draining and maintainer pass through; According to geological conditions, the both sides slope excavation of bottom base 1-4 is not easily too steep, and is 0.3 ~ 0.75 along the span that the domatic gradient is 1:K, K; Base top surface 1-1 connects with the reinforced bar net 8 of bottom of the reservior pitch coagulation panel, slope, side, pedestal bottom of the reservior 1-3 with by hardcore bed 5, the cross section perpendicular that bituminous concrete leveling glued layer 6 and asphalt mortar, bituminous mortar sphenoid 7 are formed or near normal connect, thus ensure panel stress equalization; Slope 1-2 or near normal vertical with slope, storehouse concrete slab in pedestal Ku Po side connects, thus ensures panel stress equalization;
Burying underground of b, gutter 3: bury underground and to be connected with the two side of collector drain 2 and to stretch into the gutter 3 of hardcore bed 5 and non-fine concrete bed course 12 respectively, for being introduced in collector drain 2 by the infiltration current of the dam foundation, the leakage that the dimension reference seepage calculation of gutter 3 obtains comprehensively is determined;
The filling of c, plastic filler 4: the plastic filler 4 that recessed teeth groove shape is set at the base top surface 1-1 of concrete pedestal 1 and the contact site of reinforced bar net 8, for extending seepage paths, guarantee that asphalt concrete seepage prevention layer 9 contacts with concrete pedestal 1 well, the degree of depth of plastic filler 4 is 0.5 ~ 1.5m, bottom width is 0.5 ~ 1m;
Filling of d, hardcore bed 5: hardcore bed 5 is arranged in the bottom of bottom of the reservior pitch coagulation panel, for the whole antiseepage build in bottom of the reservior provides support, this hardcore bed generally adopts weak weathering or fresh building stones to make, maximum particle diameter is generally 80mm, coefficient of permeability K >5 × 10 after compacting
-2cm/s, the areal deformation modulus of hardcore bed is generally greater than 35MPa;
Building of e, bituminous concrete leveling glued layer 6: build bituminous concrete leveling glued layer 6 above hardcore bed 5, the thickness of this leveling glued layer is about 10cm, flattens the key technical indexes that glued layer bituminous concrete should meet following table 1 in engineering;
Table 1 flattens the key technical indexes of glued layer
| Sequence number | Project | Unit | Index | Explanation |
| 1 | Porosity | ％ | 10～15 | |
| 2 | Thermal stability factor | ≤4.5 | 20 DEG C with the ratio of compressive strength when 50 DEG C | |
| 3 | The water coefficient of stability | ≥0.85 |
Building of f, asphalt mortar, bituminous mortar sphenoid 7: the triangle zone surrounded with slope, side, pedestal bottom of the reservior 1-3 at bituminous concrete leveling glued layer 6, reinforced bar net 8 builds asphalt mortar, bituminous mortar sphenoid 7, this sphenoid is the mixture being mixed and stirred cooled and solidified by pitch and fines and filler, have certain intensity and toughness, the material of engineering medium pitch mortar sphenoid 7 should meet the key technical indexes of following table 2;
The key technical indexes of table 2 asphalt mortar, bituminous mortar sphenoid
The laying of g, reinforced bar net 8: before building asphalt concrete seepage prevention layer 9, first lay reinforced bar net 8, because the contact site of bituminous concrete and other concrete structures is need weak link to be processed, therefore reinforced bar net 8 arrange total intensity, namely survivability has to add and significantly improves, can the thickness of thinning contact site, reinforced bar net 8 is polyester graticule material, and the scope of laying be D1=5 ~ 10m apart from plastic filler (4) by the length of Ku Po side;
Building of h, asphalt concrete seepage prevention layer 9 and bituminous concrete thickening layer 10: build asphalt concrete seepage prevention layer 9 at reinforced bar net 8 upper surface, thickness is generally 8 ~ 10cm, bituminous concrete thickening layer 10 is close to impervious barrier and arranges; Thickening layer is generally positioned at the contact site of bituminous concrete and other concrete structures, is mainly and prevents the excessive or uneven impervious barrier that causes of the stress of contact site from ftractureing; Thickening layer adopts the material identical with impervious barrier, thickness is about 5cm, for joint area complicated especially, thickness can suitably increase, the laying scope of thickening layer is that distance plastic filler 4 leans on the length of Ku Po side to be D2=(D1+1 ~ 3) m, and the material of engineering medium pitch Concrete Anti infiltration layer should meet the key technical indexes of following table 3;
The key technical indexes of table 3 asphalt concrete seepage prevention layer
The brushing of i, bitumastic confining bed 11: bitumastic confining bed 11 brushes the upper surface at asphalt concrete seepage prevention layer 9 and bituminous concrete thickening layer 10, mainly impervious barrier and air, water, sunlight are separated, slow down the aging action of impervious barrier, thickness is generally 2mm, bitumastic is the asphalt mixture configured by pitch and filler, and the material of engineering medium pitch mastic should meet the key technical indexes of following table 4;
The key technical indexes of table 4 pitch mastic confining bed
The laying of j, non-fine concrete bed course 12: before Ku Po side pouring reinforcement concrete panel 13, first lay the non-fine concrete bed course 12 of vibration compacting, play a supportive role to steel concrete panel 13, thickness is generally 5 ~ 20m;
Building of k, steel concrete panel 13: pouring reinforcement concrete panel 13 above non-fine concrete bed course 12, this panel is the antiseepage barrier of Ku Po side, and thickness t generally calculates according to the following formula and determines:
t＝0.30+(0.002～0.0035)H
In formula, t is plate thickness, unit m;
H calculates the vertical height of section to panel top, unit m;
Be less than weir in 70m for panel vertical height, panel can design by equal thickness, t=0.3 ~ 0.4m, and the gradient of panel inclined slope aspect is 1:M, and wherein M should not be less than 0.75;
The installation of l, water-stopping system 14: reliable water-stopping system 14 is set between slope, storehouse concrete slab and pedestal Ku Po side slope 1-2, because this junction may be concentrated or the position of discontinuity for stress, therefore in common engineering, twice sealing is at least set, comprises base copper sealing and top SR sealing; Should strengthen the protection of Copper water stop in work progress, prevent the breakage in constructing, the plug of SR is filled out and should be adopted mechanical execution, guarantees the full and closely knit of SR filler.
Claims (6)
1. a bottom of the reservior pitch coagulation panel and slope, storehouse concrete surface board connecting structure, it is characterized in that: this syndeton connects bottom of the reservior pitch coagulation panel and slope, the storehouse concrete slab of both sides by concrete pedestal (1), described concrete pedestal (1) comprises base top surface (1-1), slope, pedestal Ku Po side (1-2), slope, side, pedestal bottom of the reservior (1-3) and bottom base (1-4), the suitable domatic gradient of bottom base (1-4) both sides is 1:K, K=0.3 ~ 0.75, base top surface (1-1) is in smoothing junction with bottom of the reservior pitch coagulation panel surface, slope, described pedestal Ku Po side (1-2) is crossing with slope, storehouse concrete slab near normal, and slope, side, pedestal bottom of the reservior (1-3) is crossing with bottom of the reservior pitch coagulation panel near normal, collector drain (2) is set in described concrete pedestal (1) and leads to the gutter (3) of bottom of the reservior pitch coagulation panel and slope, storehouse concrete slab respectively.
2. bottom of the reservior according to claim 1 pitch coagulation panel and slope, storehouse concrete surface board connecting structure, it is characterized in that: described bottom of the reservior pitch coagulation panel is followed successively by hardcore bed (5) from below to up, bituminous concrete leveling glued layer (6), reinforced bar net (8), asphalt concrete seepage prevention layer (9) and bitumastic confining bed (11), and at bituminous concrete leveling glued layer (6), the triangle zone that reinforced bar net (8) and slope, side, pedestal bottom of the reservior (1-3) surround arranges asphalt mortar, bituminous mortar sphenoid (7), and bituminous concrete thickening layer (10) is added between asphalt concrete seepage prevention layer (9) and bitumastic confining bed (11).
3. bottom of the reservior according to claim 1 and 2 pitch coagulation panel and slope, storehouse concrete surface board connecting structure, it is characterized in that: slope, described storehouse concrete slab comprises the non-fine concrete bed course (12) of bottom and the steel concrete panel (13) on top, and the gradient of the inclined slope aspect of this panel is 1:M, M is more than or equal to 0.75.
4. bottom of the reservior according to claim 3 pitch coagulation panel and slope, storehouse concrete surface board connecting structure, it is characterized in that: described gutter (3) one end is connected with collector drain (2), the other end stretches into non-fine concrete bed course (12) and hardcore bed (5) respectively.
5. bottom of the reservior according to claim 3 pitch coagulation panel and slope, storehouse concrete surface board connecting structure, is characterized in that: the plastic filler (4) being provided with recessed teeth groove shape between base top surface (1-1) and the end at reinforced bar net (8) position, joint.
6. bottom of the reservior according to claim 3 pitch coagulation panel and slope, storehouse concrete surface board connecting structure, is characterized in that: be provided with water-stopping system (14) between slope, described pedestal Ku Po side (1-2) and slope, storehouse concrete slab.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520595337.1U CN205000290U (en) | 2015-08-07 | 2015-08-07 | Bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure |
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| CN201520595337.1U CN205000290U (en) | 2015-08-07 | 2015-08-07 | Bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure |
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| CN201520595337.1U Expired - Fee Related CN205000290U (en) | 2015-08-07 | 2015-08-07 | Bottom of reservior pitch thoughtlessly congeals panel and storehouse slope concrete panel connection structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002859A (en) * | 2015-08-07 | 2015-10-28 | 中国电建集团华东勘测设计研究院有限公司 | Connecting structure for reservoir bottom asphalt concrete panel and reservoir slope concrete panel as well as construction method |
| CN114775530A (en) * | 2022-05-06 | 2022-07-22 | 重庆交通大学 | Pumped storage upper reservoir dry-wet circulation lower heat insulation seepage-proofing reservoir bank structure and construction method thereof |
-
2015
- 2015-08-07 CN CN201520595337.1U patent/CN205000290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002859A (en) * | 2015-08-07 | 2015-10-28 | 中国电建集团华东勘测设计研究院有限公司 | Connecting structure for reservoir bottom asphalt concrete panel and reservoir slope concrete panel as well as construction method |
| CN105002859B (en) * | 2015-08-07 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Connecting structure for reservoir bottom asphalt concrete panel and reservoir slope concrete panel as well as construction method |
| CN114775530A (en) * | 2022-05-06 | 2022-07-22 | 重庆交通大学 | Pumped storage upper reservoir dry-wet circulation lower heat insulation seepage-proofing reservoir bank structure and construction method thereof |
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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 |
Granted publication date: 20160127 Termination date: 20170807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |