CN102797241B - Resin panel earth-rock fill dam and panel construction method - Google Patents
Resin panel earth-rock fill dam and panel construction method Download PDFInfo
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- CN102797241B CN102797241B CN201210315269.XA CN201210315269A CN102797241B CN 102797241 B CN102797241 B CN 102797241B CN 201210315269 A CN201210315269 A CN 201210315269A CN 102797241 B CN102797241 B CN 102797241B
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Abstract
The invention discloses a resin panel earth-rock fill dam. The resin panel earth-rock fill dam comprises an earth-rock fill dam built on a river way or mountain stream rock base; the cross section of the earth-rock fill dam is trapezoidal; a wave wall is arranged at the top of the earth-rock fill dam; a foot seat from a river bed to dam abutments on two sides is arranged at an upstream slope foot; an upstream dam slope is provided with a resin panel protective slope; a resin panel is respectively connected with the foot seat and the wave wall by an elastic connector and a settling connector so as to form a sealed anti-seepage body; a gravel transitional layer with a narrow upper part and a wide lower part is arranged between the back side of the resin panel and the resin panel earth-rock fill dam; a downstream dam slope is provided with a block rock protective slope and provided with a riding track; and a water draining prism is arranged at a downstream slope foot. The resin panel earth-rock fill dam disclosed by the invention has the advantages of simplicity and convenience in construction, short construction period, low manufacturing cost and easiness in maintenance; factory scale production qualities of the resin panel and parts thereof are guaranteed; and the resin panel earth-rock fill dam disclosed by the invention is the panel earth-rock fill dam with a novel anti-seepage and slope protective material.
Description
Technical field
The present invention relates to a kind of earth and rockfill dam and the panel construction method thereof of resin panel as antiseepage body and slop protection material, specifically a kind of resin panel earth and rockfill dam and panel construction method thereof of adopting.
Background technology
At present, earth and rockfill dam often adopts the leakage preventing structure such as core-wall formula, sloping core formula, its impervious material has cement concrete, bituminous concrete, clay etc., and those dam types all exist that material usage is large, quality is wayward, difficulty of construction is large, long in time limit, cost is high, the deficiency of the aspect such as easy care not.
Summary of the invention
For the deficiency of existing earth and rockfill dam leakage preventing structure, the present invention proposes a kind of resin panel earth and rockfill dam and panel construction method thereof, its easy construction, duration is short, cost is low, easy care, resin panel and accessory thereof are guaranteed by the plant layout quality of production, are the panel earth and rockfill dams that adopts Novel seepage and slop protection material.
Technical solution problem of the present invention adopts following technical scheme:
A kind of resin panel earth and rockfill dam, include the earth and rockfill dam of building on river course or mountain stream batholith, earth and rockfill dam cross section is trapezoidal shape, earth and rockfill dam dam crest is provided with wave wall, toe place, upstream have one from riverbed the toe seat to both sides dam abutment, upstream dam slope face has resin panel bank protection, resin panel and toe seat, between wave wall, pass through respectively elastomeric connector, sedimentation connector is connected to form the antiseepage body of sealing, between resin panel back side and resin panel earth and rockfill dam, be provided with up-narrow and down-wide gravel transition zone, downstream dam slope face has pitched work and packway is set, there is drainage prism at toe place, downstream.
Described toe seat is section cast-in-place concrete structure, its inner cage of reinforcement is connected with foundation trench dowel, the cross section of toe seat is pentagon rib shape, the hypotenuse of toe seat inner side is orthogonal to upstream dam slope face, on this hypotenuse, have and each section of toe seat between the caulking groove that is interconnected, in caulking groove, be provided with elastomeric connector, described elastomeric connector is elongate in shape, its cross section is " ⊥ " word shape, and there is steel plate frame elastomeric connector inside.
Described resin panel is uniform thickness, solid flat board, being positioned at toe seat, wave wall coupling part is special-shaped resin panel, other are the square resin panel of same size, the equidistant embedding panel anchoring piece that has in described gravel transition zone, the bared end of panel anchoring piece is connected with the panel bed of bar shaped, panel bed surrounds the block form of the fissure of displacement on the dam facing of upstream, and resin panel is embedded in panel bed and encloses in frame, and has press strip to be buckled in panel bed fixing resin panel.
A kind of resin panel earth and rockfill dam and panel construction method thereof, carry out successively according to the following steps:
(1) dam site survey setting-out, the excavation dam foundation, removes foreign material, Yu Qi both sides, toe seat position batholith consolidation grouting;
(2) excavation toe seat foundation trench, arranges dowel in foundation trench internal drilling, and formwork erection colligation toe seat cage of reinforcement, builds toe seat concrete;
(3) concordant embankment material and the transition zone sandy gravel of filling of layering, to dam crest, smeared cement mortar sealing on gravel transition zone surface in time;
(4) after dam body settlement is stable, carry out curtain grouting from toe seat end face to batholith internal drilling;
(5) foreign material in cleaning toe seat surface groove, indentation sealing glue in notch, embeds elastomeric connector, tights a bolt fixing;
(6) counter plate anchoring piece position measurement setting-out on cement mortar sealing face, boring buried surface panel seat anchor, at panel bed anchor bared end placement surface panel seat, and on the elastomeric connector of toe seat placement surface panel seat;
(7) at the bottom of dam, start to install resin panel, first remove bottom, dam panel bed and enclose the cement mortar sealing in frame;
(8) enclose indentation sealing glue on the panel bed of frame at this, embedded resin panel, buckles press strip and fixes on panel bed;
After the resin panel of (9) leveling courses is settled, since a side dam abutment, block-by-block inserts madjack pipe at the resin panel back side, is pressed into clay mortar and eliminates the space between resin panel and gravel transition zone;
(10) according to this, successively remove cement mortar sealing, indentation sealing glue on panel bed, settles resin panel, buckles panel bed press strip, and the densification of resin panel back side mud jacking, until dam crest;
(11) panel bed of upstream resin panel bank protection end face is fixedly connected with sedimentation connector with wave wall pedestal;
(12) complete the construction of whole upstream dam slope face resin panel.
Resin panel earth and rockfill dam in the present invention is based on following operating principle: the resin panel of resin panel earth and rockfill dam is arranged at upstream dam slope face, for the ease of installing, become monoblock panel by fritter resin panel staggered joint erection, be connected to form the antiseepage body of sealing with toe seat and wave wall, and the bank protection effect that can play that wind wave prevention washes away etc.Because water storage level is high, the resin panel of upstream dam slope face is born huge water pressure, make gravel transition zone and Earth-rockfill Dam after resin panel produce compressive strain, by resin panel displacement downstream, and toe seat is placed in and does not relatively produce displacement in batholith, resist this displacement deformation so elastomeric connector is set between resin panel and toe seat, avoid drawing crack resin panel percolating water; Because Earth-rockfill Dam needs could stop sedimentation and deformation in long period of time, in order to overcome unfavorable stressed to resin panel of Earth-rockfill Dam sedimentation and deformation, sedimentation connector is set between resin panel and wave wall and resists this sedimentation and deformation; Because Earth-rockfill Dam is made up of clay and stone etc., for the wedge angle that prevents stone damages resin panel, so fine grain gravel transition zone is set between resin panel and Earth-rockfill Dam; Not interspace and jointly bear water pressure between resin panel and gravel transition zone in order to allow, successively to carrying out mud jacking densification between resin panel and gravel transition zone; In order to prevent dam body landslide, at upstream dam slope, stable dam slope is set, and come antiseepage and bank protection by resin panel, at downstream dam slope except arranging stable dam slope, pitched work packway and drainage prism are also set, prevent rain drop erosion and discharge the infiltration in dam body and the dam foundation, as improving the stable measure of dam slope.
Compared with the prior art, beneficial effect of the present invention is embodied in:
A kind of resin panel earth and rockfill dam and panel construction method thereof that the present invention proposes, antiseepage and slop protection material that resin panel is storage dam are adopted, this resin panel and its panel bed, panel anchoring piece are plastic material, can resist moderate finite deformation and not ftracture, have that water storage level is high, water storage level diurnal variation amplitude is large, antiseep, wind and wave resistance and freezing, easily construct and maintenance, the feature such as cost is low, the duration is short, the life-span is long, for Hydraulic and Hydro-Power Engineering construction has increased new hydraulic structure.
Brief description of the drawings
Fig. 1 is resin panel earth and rockfill dam sectional view of the present invention.
Fig. 2 is resin panel earth and rockfill dam front elevation drawing of the present invention.
Fig. 3 is resin panel earth and rockfill dam rear elevation of the present invention.
Fig. 4 is resin panel earth and rockfill dam rear elevation of the present invention.
Fig. 5 is toe seat side sectional structure schematic diagram of the present invention.
Fig. 6 is resin panel positive view of the present invention.
Fig. 7 is that resin panel of the present invention is bowed and analysed and observe.
Fig. 8 is resin panel side sectional structure schematic diagram of the present invention.
Number in the figure: 1 batholith, 2 upper pond levels, 3 levels of tail water, 4 dam crests, 5 Earth-rockfill Dams, 6 wave walls, 7 sedimentation connectors, 8 gravel transition zones, 9 pitched works, 10 packways, 11 drainage prisms, 12 consolidation groutings, 13 curtain groutings; 21 foundation trenches, 22 dowels, 23 toe seats, 24 cage of reinforcement, 25 elastomeric connectors, 26 steel plate frames; 31 resin panel, 32 panel anchoring pieces, 33 panel beds, 34 press strips.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, for a kind of resin panel earth and rockfill dam of the present invention, it build the resin panel earth and rockfill dam on river course or mountain stream batholith 1 in, Earth-rockfill Dam 5 cross sections on this dam are trapezoidal shape, dam crest 4 has wave wall 6, toe place, upstream have one from riverbed the toe seat 23 to both sides dam abutment, upstream dam slope face has resin panel 31 bank protections, between resin panel 31 and toe seat 23, flexible connector 25 is connected, between resin panel 31 and wave wall 6, there is sedimentation connector 7 to be connected, form the antiseepage body of sealing.Between resin panel 31 back sides and Earth-rockfill Dam 5, have up-narrow and down-wide gravel transition zone 8, downstream dam slope face has pitched work 9 and packway 10 is set, and there is drainage prism 13 at toe place, downstream.
Referring to Fig. 5, for toe seat 23 of the present invention is section cast-in-place concrete structure, its inner cage of reinforcement 24 is connected with foundation trench 21 dowels 22.The cross section of toe seat 23 is pentagon rib shape, and the hypotenuse of toe seat 23 inner sides is orthogonal to upstream dam slope face, has 23 caulking grooves that are interconnected of each section of toe seat on this hypotenuse, is provided with elastomeric connector 25 in caulking groove.Described elastomeric connector 25 is elongate in shape, and its cross section is " ⊥ " word shape, and there is steel plate frame 26 elastomeric connector 25 inside.
Referring to Fig. 6,7,8, for described resin panel 31 of the present invention is uniform thickness, solid flat board, being positioned at toe seat 23, wave wall 6 coupling parts is special-shaped resin panel, and other are the square resin panel of same size.At the interior equidistant embedding panel anchoring piece 32 that has of described gravel transition zone 8, the bared end of panel anchoring piece 32 is connected with the panel bed of bar shaped 33, panel bed 33 surrounds the block form of the fissure of displacement on the dam facing of upstream, resin panel 31 is embedded in panel bed 33 and encloses in frame, and has press strip 34 to be buckled in panel bed 33 fixing resin panels 31.
A kind of resin panel earth and rockfill dam of the present invention and panel construction method thereof, carry out successively according to the following steps:
(1) dam site survey setting-out, the excavation dam foundation, removes foreign material, toe seat 23 Yu Qi both sides, position batholith consolidation groutings 12;
(2) excavation toe seat 23 foundation trenches 21, arrange dowel 22 in foundation trench 21 internal drillings, and formwork erection colligation toe seat 23 cage of reinforcement 24, build toe seat 23 concrete;
(3) concordant dam body 5 earth and stone materials and transition zone 8 sandy gravels of filling of layering, to dam crest, are smeared cement mortar sealing on gravel transition zone 8 surfaces in time;
(4), after dam body 5 settlement stabilities, carry out curtain grouting 13 from toe seat 23 end faces to batholith 1 internal drilling;
(5) foreign material in cleaning toe seat 23 surface grooves, indentation sealing glue in notch, embeds elastomeric connector 25, tights a bolt fixing;
(6) counter plate anchoring piece 32 position measurement setting-outs on cement mortar sealing face, boring buried surface panel seat anchor 32, at panel bed anchor 32 bared end placement surface panel seats 33, and on the elastomeric connector 25 of toe seat 23 placement surface panel seat 33;
(7) at the bottom of dam, start to install resin panel 31, first remove bottom, dam panel bed 33 and enclose the cement mortar sealing in frame;
(8) enclose indentation sealing glue on the panel bed 33 of frame at this, embedded resin panel 31, buckles press strip 34 fixing on panel bed 33;
After the resin panel 31 of (9) leveling courses is settled, since a side dam abutment, block-by-block resin face 31 backboard faces insert madjack pipe, and block-by-block inserts madjack pipe at resin panel 31 back sides, are pressed into clay mortar and eliminate the gap between resin panel 31 and gravel transition zone 8;
(10) according to this, successively remove cement mortar sealing, indentation sealing glue on panel bed 33, settles resin panel 31, buckles panel bed 33 press strips 34, and resin panel 23 back side mud jacking densifications, until dam crest;
(11) panel bed 33 of upstream slope-protection end face is fixedly connected with sedimentation connector 7 with wave wall 6 pedestals;
(12) complete the construction of whole upstream dam slope face resin panel 31.
Batholith 1 is the dam foundation, bears the load of dam; Upper pond level 2 is height of upstream inpoundment; The level of tail water 3 is elevations of the downstream water surface; The effect of dam crest 4 is to meet safety, structure and traffic requirement; The effect of Earth-rockfill Dam 5 is the structures that form energy dash; The effect of wave wall 6 is to prevent that wave from overflowing dam; The effect of sedimentation connector 7 is to reduce the active force of the sedimentation of Earth-rockfill Dam 5 to resin panel 31; The effect of gravel transition zone 8 is protection resin panel 31, prevents that the sharp stone in Earth-rockfill Dam 5 from damaging resin panel 31; The effect of cement mortar sealing is to fill Aggregate Stabilized with Cement transition zone in process at Earth-rockfill Dam, prevents its loose and landslide; The effect of pitched work 9 is protection dam slope faces, prevents rain drop erosion and freezing erosion etc.; The effect of packway 10 is to improve dam slope face Against Sliding Stability, alleviates washing away of vertical rainwater current; The effect of drainage prism 11 is to prevent the seepage failures such as piping; The effect of consolidation grouting 12 is the supporting capacitys that improve Dam Foundation Rock; The effect of curtain grouting 13 is the seepages that prevent Dam Foundation Rock; The effect of foundation trench 21 is the skid resistances that increase toe seat 23; The effect of dowel 22 is the skid resistances that increase toe seat 23; The effect of toe seat 23 is that curtain grouting 13 antiseepages are set, and fixing elastomeric connector 25, bears the power that resin panel 31 glides; The effect of cage of reinforcement 24 is the intensity that improves toe seat 23 concrete structures; The effect of elastomeric connector 25 is under effect of water pressure, when resin panel 31 occurs to be out of shape downstream, still can be connected non-leakage water with toe seat 23; The effect of steel plate frame 26 is intensity and the antifatigues that improve elastomeric connector 25; The effect of resin panel 31 is antiseepage and bank protection; The effect of panel anchoring piece 32 is stationary plane panel seats 33; The effect of panel bed 33 is to settle resin panel 31; The effect of press strip 34 is fixing resin panels 31 on panel bed 33.
Claims (1)
1. a resin panel earth and rockfill dam, it is characterized in that: include the earth and rockfill dam of building on river course or mountain stream batholith, earth and rockfill dam cross section is trapezoidal shape, earth and rockfill dam dam crest is provided with wave wall, toe place, upstream have one from riverbed the toe seat to both sides dam abutment, upstream dam slope face has resin panel bank protection, resin panel and toe seat, between wave wall, pass through respectively elastomeric connector, sedimentation connector is connected to form the antiseepage body of sealing, between resin panel back side and resin panel earth and rockfill dam, be provided with up-narrow and down-wide gravel transition zone, downstream dam slope face has pitched work and packway is set, there is drainage prism at toe place, downstream.
2. resin panel earth and rockfill dam according to claim 1, it is characterized in that: described toe seat is section cast-in-place concrete structure, its inner cage of reinforcement is connected with foundation trench dowel, the cross section of toe seat is pentagon rib shape, the hypotenuse of toe seat inner side is orthogonal to upstream dam slope face, on this hypotenuse, have and each section of toe seat between the caulking groove that is interconnected, in caulking groove, be provided with elastomeric connector, described elastomeric connector is elongate in shape, its cross section is " ⊥ " word shape, and there is steel plate frame elastomeric connector inside.
3. resin panel earth and rockfill dam according to claim 1, it is characterized in that: described resin panel is uniform thickness, solid flat board, being positioned at toe seat, wave wall coupling part is special-shaped resin panel, other are the square resin panel of same size, the equidistant embedding panel anchoring piece that has in described gravel transition zone, the bared end of panel anchoring piece is connected with the panel bed of bar shaped, panel bed surrounds the block form of the fissure of displacement on the dam facing of upstream, resin panel is embedded in panel bed and encloses in frame, and has press strip to be buckled in panel bed fixing resin panel.
4. a panel construction method for resin panel earth and rockfill dam, is characterized in that: carry out according to the following steps successively:
(1) dam site survey setting-out, the excavation dam foundation, removes foreign material, Yu Qi both sides, toe seat position batholith consolidation grouting;
(2) excavation toe seat foundation trench, arranges dowel in foundation trench internal drilling, and formwork erection colligation toe seat cage of reinforcement, builds toe seat concrete;
(3) concordant embankment material and the transition zone sandy gravel of filling of layering, to dam crest, smeared cement mortar sealing on gravel transition zone surface in time;
(4) after dam body settlement is stable, carry out curtain grouting from toe seat end face to batholith internal drilling;
(5) foreign material in cleaning toe seat surface groove, indentation sealing glue in notch, embeds elastomeric connector, tights a bolt fixing;
(6) counter plate anchoring piece position measurement setting-out on cement mortar sealing face, boring buried surface panel seat anchor, at panel bed anchor bared end placement surface panel seat, and on the elastomeric connector of toe seat placement surface panel seat;
(7) at the bottom of dam, start to install resin panel, first remove bottom, dam panel bed and enclose the cement mortar sealing in frame;
(8) enclose indentation sealing glue on the panel bed of frame at this, embedded resin panel, buckles press strip and fixes on panel bed;
After the resin panel of (9) leveling courses is settled, since a side dam abutment, block-by-block inserts madjack pipe at the resin panel back side, is pressed into clay mortar and eliminates the space between resin panel and gravel transition zone;
(10) according to this, successively remove cement mortar sealing, indentation sealing glue on panel bed, settles resin panel, buckles panel bed press strip, and the densification of resin panel back side mud jacking, until dam crest;
(11) panel bed of upstream resin panel bank protection end face is fixedly connected with sedimentation connector with wave wall pedestal;
(12) complete the construction of whole upstream dam slope face resin panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210315269.XA CN102797241B (en) | 2012-08-30 | 2012-08-30 | Resin panel earth-rock fill dam and panel construction method |
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| CN201210315269.XA CN102797241B (en) | 2012-08-30 | 2012-08-30 | Resin panel earth-rock fill dam and panel construction method |
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| CN102797241A CN102797241A (en) | 2012-11-28 |
| CN102797241B true CN102797241B (en) | 2014-07-30 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979061B (en) * | 2012-12-04 | 2015-02-11 | 合肥工业大学 | Oblique membrane core wall earth and rockfill dam and anti-seepage body construction method thereof |
| CN103233446B (en) * | 2013-04-03 | 2016-01-20 | 合肥工业大学 | Composite material face earth and rockfill dam and impervious body construction method thereof |
| CN103225285B (en) * | 2013-05-11 | 2015-09-16 | 天津大学 | A kind of steel membrane rock |
| CN103485346B (en) * | 2013-09-06 | 2016-04-20 | 成都建工工程总承包有限责任公司 | Foundation ditch packway |
| CN104264635A (en) * | 2014-09-23 | 2015-01-07 | 国家电网公司 | Construction technology of slag stacking behind concrete faced rock-fill dam |
| KR101758023B1 (en) * | 2016-07-20 | 2017-07-13 | 한국수자원공사 | Concrete Mat And Geomembrane Sealing System Dam |
| CN110552327A (en) * | 2019-09-25 | 2019-12-10 | 水利部水利水电规划设计总院 | Steel face rockfill dam |
| CN114508078B (en) * | 2022-01-28 | 2023-03-24 | 长江勘测规划设计研究有限责任公司 | Construction method for constructing homogeneous sand dam by adopting natural sedimentation graded poor fine sand on site |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011127422A (en) * | 2009-11-18 | 2011-06-30 | Furukawa Electric Co Ltd:The | Method for repairing concrete structure, and resin panel |
| CN202117030U (en) * | 2011-03-16 | 2012-01-18 | 华北水利水电学院 | Sand-gravel dam with steel structure panel |
| CN102587329B (en) * | 2012-04-12 | 2014-01-22 | 河海大学 | Arched combined faceplate for earth-rock dam and construction method thereof |
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