CN105507211B - Power transmission stool - Google Patents

Power transmission stool Download PDF

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Publication number
CN105507211B
CN105507211B CN201511016671.8A CN201511016671A CN105507211B CN 105507211 B CN105507211 B CN 105507211B CN 201511016671 A CN201511016671 A CN 201511016671A CN 105507211 B CN105507211 B CN 105507211B
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CN
China
Prior art keywords
panel
power transmission
transmission stool
stool
anchor
Prior art date
Application number
CN201511016671.8A
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Chinese (zh)
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CN105507211A (en
Inventor
黄志斌
孙志恒
李章浩
徐耀
Original Assignee
云南华电金沙江中游水电开发有限公司
北京中水科海利工程技术有限公司
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Priority to CN201511016671.8A priority Critical patent/CN105507211B/en
Publication of CN105507211A publication Critical patent/CN105507211A/en
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Publication of CN105507211B publication Critical patent/CN105507211B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02Fixed barrages
    • E02B7/04Dams across valleys
    • E02B7/06Earth-fill dams; Rock-fill dams

Abstract

The invention discloses a kind of power transmission stool, in adjacent any two pieces of panel partitioned organizations:Upper strata panel (i.e. upper strata concrete slab), lower floor's panel (i.e. lower-layer concrete panel);Power transmission stool is additionally provided between upper strata panel, lower floor's panel between two pieces of adjacent panel piecemeals;One end of the power transmission stool is used to separate the upper strata panel, lower floor's panel as adjacent upper panel and the panel bearing support of lower floor's panel;The other end of the power transmission stool passes through anchor spindle assembly pre-buried in rock-fill dams described in the drawing dowel level connection joint;The power transmission stool is used to the deadweight component of each deck panels changing power transmission direction by the power transmission stool, and panel deadweight component is delivered in rock-fill dams by the anchor spindle assembly in rock-fill dams.A kind of power transmission stool that the present invention is provided, structure is novel, and reasonable in design, has sufficiently achieved the purpose of design and design requirement of load transfer device.

Description

Power transmission stool
Technical field
The present invention relates to water conservancy and hydropower equipment technical field, more particularly to a kind of power transmission stool.
Background technology
CFRD is that, using rockfill as supporting structure, casting concrete panel in surface is as anti-at its upstream Ooze the rock-fill dams of structure, abbreviation rock or face dam.CFRD its belong to earth and rockfill dam type.
CFRD was grown up after the sixties.Sloping core (or panel) rock-fill dams impervious body is located at heap Stone body upstream, material has earth material, armored concrete, bituminous concrete, timber etc..The antiseepage soil body can be placed on rockfill upstream, Thicker heap rock layers can be also set on native sloping core.CFRD is mainly made up of rockfill and seepage control system, i.e., Specifically CFRD is general by following structure composition:That is concrete slab A1 (or abbreviation panel), toe board, pad Layer A2, transition zone A3, main rockfill area A4, secondary rockfill area A5 compositions (as shown in Figure 1).
However, because there are many technical problems in 300m grades of conventional panels dams:For 300m grades of CFRDs For, because dam increases, the increase of panel plagioclase, water pressure increases, if the structure type for the panel that follows conventional lines, upper strata panel The cumulative stress of lower floor's panel will accordingly be increased, this will deteriorate the stress state of lower floor (particularly bottom) panel, counter plate Material property will propose higher requirement.Secondly, dam, which increases, causes the deformation increase of dam body filler, and the larger deformation of dam body will be led Cause its deformation for adhering to panel accordingly to increase, thus extruding between producing panel, bend, fracture, faulting of slab ends, tear etc. are deformed, then Plus water pressure load collective effect, the panel power transmission supporting system on conventional panels dam more and more not very heavy burden.
In addition, from both at home and abroad it is built, building or the panel layout design of proposed 150m~300m level face dams can Go out, current conventional method is mated formation successively " Transition Materials+bedding material+panel+part bedding in main rockfill upstream dam facing Material ", then the joint seal design and location plate seepage prevention design being aided between panel, the entirety for foring conventional panels dam prevent blending dash Structure.Conventional panels dam is, using rockfill as supporting structure, leakage preventing structure to be used as using concrete slab.And due to concrete surface The tired block mode of the upper and lower deck panels of plate from bottom to top, lower floor's panel actually also turns into the supporting structure of upper strata panel.It is conventional The disadvantage that face dam is present is exactly the tired block support pattern that upper strata panel depresses deck panels.Under gravity, panel edge The weight component of dam facing, which is successively superimposed, deteriorates the stress for causing panel, and highly increases with dam body, water pressure and deadweight Component increases, and panel force-bearing situation causes anxiety.
Then I takes charge of proves by numerous studies, it is proposed that a kind of new panel supporting knot for being adapted to 300m grades of face dams Structure mentality of designing, i.e., in adjacent any two pieces of panel partitioned organizations:Upper strata panel (i.e. upper strata concrete slab), subsurface A kind of load transfer device is designed between plate (i.e. lower-layer concrete panel), and is fixed on by anchor structure in rock-fill dams, Jin Ergai Kind upper strata panel, lower floor's panel stressing conditions (i.e. using load transfer device by concrete slab born parallel to panel Deadweight component is delivered on anchor structure, and then implements stable fix to concrete slab by anchor structure).
However, how to improve the stress of face dam upstream plagioclase panel, and reasonably parting is truncated by plagioclase panel, Design a kind of load transfer device and disclosure satisfy that the design requirement of correlation will be that those skilled in the art urgently need the technology solved difficult Topic.
The content of the invention
It is an object of the invention to provide a kind of power transmission stool, to solve the above problems.
In order to achieve the above object, the technical proposal of the invention is realized in this way:
The invention provides a kind of power transmission stool, in adjacent any two pieces of panel partitioned organizations:Upper strata panel (i.e. upper strata Concrete slab), lower floor's panel (i.e. lower-layer concrete panel);Upper strata panel, lower floor between two pieces of adjacent panel piecemeals Power transmission stool 11 is additionally provided between panel;
One end of the power transmission stool 11 is used for institute as adjacent upper panel and the panel bearing support of lower floor's panel Upper strata panel, lower floor's panel is stated to separate;The other end of the power transmission stool passes through heap described in the drawing level connection joint of dowel 12 Pre-buried anchor spindle assembly 13 in masonry dam;The deadweight component that the power transmission stool 11 is used for by each deck panels parallel to upstream face direction leads to Cross power transmission stool conversion power transmission direction, and will be parallel to by the drawing dowel 12 in rock-fill dams, the anchor spindle assembly 13 The panel deadweight component in upstream face direction is delivered in rock-fill dams.
It should be noted that first by introducing self-bearing type panel construction system --- power transmission stool between upper and lower deck panels, By conduct oneself with dignity component power transmission stool conversion power transmission direction by this layer lower end of each deck panels parallel to upstream face direction, through in dam body Interior pre-buried drawing anchor body passes to panel parallel in each layer dam body in the deadweight component in upstream face direction;
It is preferred that, can embodiment as one kind;Each power transmission stool 11 specifically includes backing plate bearing 110, baffle plate 111st, the anti-skidding teeth groove 113 of baffle plate rib 112, antidetonation, anchor pulling eye 114, anchor draw posttension anchor head 115;
Wherein, the baffle plate 111 is vertically set on the centre position of the backing plate bearing 110;The anchor pulling eye 114 runs through Through the backing plate bearing 110;Described one end for drawing dowel 12 passes through the anchor pulling eye 114, and draws posttension anchor by the anchor First 115 are fixedly connected on the power transmission stool 11, and the other end for drawing dowel 12 is fixedly connected on the anchor spindle assembly 13; Installation settings has the baffle plate 112 and the anti-skidding teeth groove 113 of the antidetonation on the top surface of the baffle plate 111.
It is preferred that, can embodiment as one kind;The corrugated zigzag of the anti-skidding teeth groove 113 of antidetonation.
The anti-skidding dentelation of teeth groove 113 of antidetonation on the baffle plate of power transmission stool can effectively prevent panel under seismic loading Abjection, effectively prevent because compression excessive between panel causes slab movement to increase or water slop failure, panel resists macroseism Performance strengthened;
It is preferred that, can embodiment as one kind;4 drawing anchor head bolts are additionally provided with each power transmission stool 11; The drawing anchor head bolt is used to adjust the elastic of the power transmission stool tension force.
It is preferred that, can embodiment as one kind;The backing plate bearing 110 in the structure of power transmission stool 11 is overall in three Angular shape, is conducive to homeostasis and is easy to construction and installation.It should be noted that the angle of backing plate holder ramp and horizontal plane Must be identical with the angle of horizontal plane with upstream dam facing.
It is preferred that, can embodiment as one kind;It is additionally provided with the two bottom sides face of the backing plate bearing 110 multiple anti- Sliding five face cones 116;Multiple anti-skidding five face cones 116 are uniformly arranged on the two bottom sides face of the backing plate bearing.
It is preferred that, can embodiment as one kind;It is horizontal longitudinal joint between upper strata panel, the panel of lower floor's panel, vertical Extensional stitch or pressure property seam in filling is provided with adaptive deformation compounded mix layer, and coating is provided with the poly- material sealing of one-component on seam face Layer 117;
It is preferred that, can embodiment as one kind;Also set up in periphery fissure between upper strata panel, the panel of lower floor's panel There is sealing packing layer 118.
It is preferred that, can embodiment as one kind;The power transmission stool is high strength fiber composite material injection-compression molding structure Part.
It is preferred that, can embodiment as one kind;The power transmission stool can also use steel skeleton construction part, and the steel skeleton The outer layer of structural member also anticorrosion with painting plastic layer.
Compared with prior art, this have the advantage that:
Present invention also offers a kind of power transmission stool, above-mentioned power transmission stool is set between adjacent any two pieces of panel piecemeals: Upper strata panel (i.e. upper strata concrete slab), lower floor's panel (i.e. lower-layer concrete panel);One end conduct of the power transmission stool 11 The panel bearing support of adjacent upper panel and lower floor's panel, and for the upper strata panel, lower floor's panel to be separated;Institute The other end for stating power transmission stool passes through anchor spindle assembly 13 pre-buried in rock-fill dams described in the drawing level connection joint of dowel 12;The power transmission The deadweight component that stool 11 is used for by each deck panels parallel to upstream face direction by the power transmission stool changes power transmission direction, and passes through Panel deadweight component is successively delivered in rock-fill dams by the drawing dowel 12, the anchor spindle assembly 13 in rock-fill dams.
Each power transmission stool 11 specifically includes backing plate bearing 110, baffle plate 111, baffle plate rib 112, the anti-skidding teeth groove of antidetonation 113rd, anchor pulling eye 114, anchor draw posttension anchor head 115;
Wherein, the baffle plate 111 is vertically set on the centre position of the backing plate bearing 110;The anchor pulling eye 114 runs through Through the backing plate bearing 110;Described one end for drawing dowel 12 passes through the anchor pulling eye 114, and draws posttension anchor by the anchor First 115 are fixedly connected on the power transmission stool 11, and the other end for drawing dowel 12 is fixedly connected on the anchor spindle assembly 13; Installation settings has the baffle plate 112 and the anti-skidding teeth groove 113 of the antidetonation on the top surface of the baffle plate 111.
It should be noted that first by being introduced between upper strata panel, lower floor's panel:Power transmission stool, each deck panels are parallel Power transmission stool conversion power transmission direction of the component by this layer of lower end of conducting oneself with dignity in upstream face direction, through pre-buried drawing anchor body in dam body The deadweight component of panel is passed in each layer dam body.
It will be apparent that power transmission stool structure of the present invention is only applicable to more than 250m face dam, for height of dam 250m and its following The face dam construction experience that succeeded it is then necessary without this.The power transmission stool structural change Path of Force Transfer of traditional panel, builds tired Mode has changed over self-supporting mode, it is ensured that each deck panels are separate, and panel is completely separated by horizontal longitudinal joint between levels, from And improve the stress (while also reducing lateral compression of the bottom panel by perimeter panel) of panel;
The interaction of upper strata panel, lower floor's panel is separated by by power transmission stool structure level, is fitted so as to improve panel The performance for answering dam embankment material to deform, the lower edge of every piece of panel is withstood by power transmission stool baffle plate, limits the lower end movement of panel, And the top edge of panel is then relatively free, the deformation of panel itself can be adjusted, and stress is released, and be made in water pressure With the panel stress under gravity collective effect closer to the stress of one-way slabs on elastic foundation, the dam body that can effectively dissolve is multi-party The cumulative effect produced to sedimentation and deformation on panel, effectively prevents the lateral compression destruction or the generation in crack of panel;
Further, since panel plagioclase is shortened, rationally sharing rear steering by power transmission stool along the weight component in panel direction reaches Each layer dam body, adding the dentelation of power transmission stool baffle plate can effectively prevent panel from deviating under seismic loading, be prevented effectively from Because compression excessive between panel causes slab movement to increase or water slop failure, performance that panel resists macroseism is increased By force;
In summary, a kind of power transmission stool provided in an embodiment of the present invention, structure is novel, and reasonable in design, sufficiently achieves The purpose of design and design requirement of load transfer device.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the dam cross section structure schematic diagram of traditional CFRD;
For the present invention, I takes charge of the dam cross section structure design diagram of the 300m level rocks of offer to Fig. 2;
Fig. 3 is the power transmission stool of the embodiment of the present invention and the general assembly structural representation of drawing dowel and anchor spindle assembly;
Fig. 4 is partial assembled structural representation of the power transmission stool of the embodiment of the present invention in Fig. 3 with drawing dowel;
Fig. 5 is the structural representation of the power transmission stool of the embodiment of the present invention;
Description of reference numerals:
Fig. 1:Concrete slab A1;Bed course A2;Transition zone A3;Main rockfill area A4;Secondary rockfill area A5;
Fig. 2-Fig. 5:Concrete slab A1;Power transmission stool 11;Backing plate bearing 110;Baffle plate 111;Baffle plate rib 112;Antidetonation is prevented Slip teeth groove 113;Anchor pulling eye 114;Anchor draws posttension anchor head 115;Anti-skidding five face cone 116;The poly- material sealing layer 117 of one-component;Sealing is filled out The bed of material 118;
Draw dowel 12;
Anchor spindle assembly 13.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Referring to Fig. 1, a kind of power transmission stool provided in an embodiment of the present invention, in adjacent any two pieces of panel partitioned organizations: Upper strata panel (i.e. upper strata concrete slab), lower floor's panel (i.e. lower-layer concrete panel);Between two pieces of adjacent panel piecemeals Upper strata panel, be additionally provided with power transmission stool 11 between lower floor's panel;
First, Fig. 2 illustrates me and takes charge of the structure design thinking for being adapted to 300m grades of face dams of research, i.e., appoint in adjacent In two pieces of panel partitioned organizations of meaning:Upper strata panel (i.e. upper strata concrete slab), lower floor's panel (i.e. lower-layer concrete panel) it Between design a kind of load transfer device, and be fixed on by anchor structure in rock-fill dams, so improve upper strata panel, lower floor's panel by Power situation (stress i.e. using load transfer device by concrete slab parallel to upstream face direction is delivered on anchor structure, and then Stable fix is implemented to concrete slab by anchor structure);Its concrete structure can be found in Fig. 3.
Referring specifically to Fig. 3, one end of the power transmission stool 11 is supported as the panel of adjacent upper panel and lower floor's panel props up Seat, and for the upper strata panel, lower floor's panel to be separated;The other end of the power transmission stool passes through the drawing water of dowel 12 Anchor spindle assembly 13 pre-buried in rock-fill dams described in flushconnection;The power transmission stool 11 is used for each deck panels parallel to upstream face direction Deadweight component power transmission direction is changed by the power transmission stool, and by the drawing dowel 12 in rock-fill dams, the anchor ingot group Deadweight component of the part 13 by panel parallel in upstream face direction is delivered in rock-fill dams.
It should be noted that first by introducing self-bearing type panel construction system --- power transmission stool between upper and lower deck panels, By conduct oneself with dignity component power transmission stool conversion power transmission direction by this layer lower end of each deck panels parallel to upstream face direction, through in dam body Interior pre-buried drawing anchor body passes to panel parallel in each layer dam body in the deadweight component in upstream face direction;
The concrete structure and particular technique effect of power transmission stool provided in an embodiment of the present invention are done and described in detail below:
In the concrete structure of power transmission stool:
As shown in FIG. 4 and 5, each power transmission stool 11 specifically includes backing plate bearing 110, baffle plate 111, baffle plate rib 112nd, the anti-skidding teeth groove 113 of antidetonation, anchor pulling eye 114, anchor draw posttension anchor head 115;
Wherein, the baffle plate 111 is vertically set on the centre position of the backing plate bearing 110;The anchor pulling eye 114 runs through Through the backing plate bearing 110;Described one end for drawing dowel 12 passes through the anchor pulling eye 114, and draws posttension anchor by the anchor First 115 are fixedly connected on the power transmission stool 11, and the other end for drawing dowel 12 is fixedly connected on the anchor spindle assembly 13; Installation settings has the baffle plate 112 and the anti-skidding teeth groove 113 of the antidetonation on the top surface of the baffle plate 111.
It is preferred that, can embodiment as one kind;The corrugated zigzag of the anti-skidding teeth groove 113 of antidetonation.
It should be noted that the anti-skidding ripple dentelation of teeth groove 113 of antidetonation on the baffle plate of power transmission stool can effectively prevent face Plate is deviate under seismic loading, effectively prevent because compression excessive between panel causes slab movement to increase or sealing Failure, the performance that panel resists macroseism is strengthened;
It is preferred that, can embodiment as one kind;Four drawing anchor head bolts are additionally provided with each power transmission stool 11; The drawing anchor head bolt is used to adjust the elastic of the power transmission stool tension force.
It is preferred that, can embodiment as one kind;The backing plate bearing 110 in the structure of power transmission stool 11 is overall in three Angular shape, is conducive to self structure stable and is easily installed, it is necessary to illustrate, the angle of backing plate holder ramp and horizontal plane Must be identical with the angle of horizontal plane with upstream dam facing.
It is preferred that, can embodiment as one kind;It is additionally provided with the two bottom sides face of the backing plate bearing 110 multiple anti- Sliding five face cones 116;Multiple anti-skidding five face cones 116 are uniformly arranged on the two bottom sides face of the backing plate bearing.
It should be noted that anti-skidding five face cone can facilitate the installation of power transmission stool to position and increase rubbing for power transmission stool and bedding material Wipe power.The anti-skidding teeth groove of antidetonation is provided with baffle plate, makes panel be difficult to skid off in earthquake concussion.Anchor ingot uses base and jacket-shaped Into fixture, and ensure that anchor structure is not destroyed in dam embankment is rolled;Sheath top surface uses inclined-plane to increase anchor ingot with filling out The frictional resistance of building body.
It is preferred that, can embodiment as one kind;It is horizontal longitudinal joint between upper strata panel, the panel of lower floor's panel, vertical Extensional stitch or pressure property seam in filling is provided with adaptive deformation compounded mix layer, and coating is provided with the poly- material sealing of one-component on seam face Layer 117;Sealing packing layer 118 is additionally provided with gap between upper strata panel, the panel of lower floor's panel.
Will it should be noted that concrete face rockfill dam provided with bulwark, the periphery fissure of sealing, extensional by being stitched, pressure property is stitched Panel and panel, panel and toe board, location plate and the stable basement rock Jing Guo grouting treatment are linked to be entirety, and one of formation is complete to be prevented Ooze system.
It is preferred that, can embodiment as one kind;The power transmission stool is high strength fiber composite material injection-compression molding structure Part.As another embodiment scheme, the power transmission stool can also use steel skeleton construction part, and the steel skeleton construction part Outer layer also anticorrosion with painting plastic layer.
The above-mentioned power transmission stool structure of analysis is understood:
It should be noted that first, by introducing self-bearing type panel construction system between upper strata panel, lower floor's panel --- Power transmission stool, by conduct oneself with dignity component power transmission stool conversion power transmission direction by this layer lower end of each deck panels parallel to upstream face direction, Panel parallel is passed in each layer dam body in the deadweight component in upstream face direction through pre-buried drawing anchor body in dam body.Such as Fig. 5 institutes The power transmission stool structural representation of signal;
Secondly, upper strata panel, lower floor's panel are fully disconnected with horizontal joint.Panel piecemeal follows the one-way slabs on elastic foundation Piecemeal rule is carried out, and panel upper and lower ends are reduced to flexible hinged.The extensional of the vertical parting of panel or so still routinely is stitched or pressed Property seam or periphery fissure design.Power transmission stool is as panel bearing support, the horizontal longitudinal joint formed by power transmission baffle plate aspect by above and below Plate is completely separated, and this just greatly simplify the stress of each deck panels.
3rd, every meter of single wide power transmission stool actively shortens size 3cm and become to adjust, receive along the settlement after construction in axis of dam direction The alignment error of shape and power transmission stool.A period of time, and aspect up and down are usually required because the sedimentation and deformation of enrockment dam body is stable Plate pours time interval etc., and dam body sedimentation value ought to dam body settlement be simultaneously close to expected sedimentation value, but actually before panel is poured Not all convergences.
4th, it is moderate that patent of the present invention fills deformation performance in horizontal longitudinal joint, vertical extensional or pressure property seam between panel Composite, stop the slit width for adapting to dam deformation, the poly- material sealing of coating one-component on seam face.The material and concrete surface Adhesive property it is excellent, its own deformation performance, ageing resistace are also very excellent, have both adapted to interplate deformation displacement, again Interplate penetrating passage can effectively be closed.Periphery fissure can also use the sealing material.
5th, power transmission stool is that slotting is installed after the completion of bedding material construction, and it draws anchorage to be then in main rockfill~transition Material~bedding material placement in layers reaches pre-buried during predetermined elevation, and is with modular unit by panel width point in axis of dam direction What group was spliced, it can fully adapt to the deformation of dam body settlement after construction and alignment error.Meanwhile, bedding material slope protection can be using breast Change pitch or overmolded mortar, extrusion side wall bulkhead tech should not be used.
6th, patent of the present invention is from drawing anchorage pre-buried, and power transmission stool is installed, and the process such as anchorage pretension leveling is and conventional panels Dam working procedure is adapted, no crossed construction interference, and difficulty of construction is not also increased.The selection that power transmission stool installs opportunity can be with dam Body filled height rises paragraph by paragraph, can also finish and be installed after sedimentation tends towards stability after dam embankment, be constructed the period depending on panel General arrangement, selection the latter Expected Results can be more preferable certainly.
7th, power transmission stool selection triangle combining structure is depended primarily in the force stability and side slope of triangle itself The stability of construction --- the pyrometric cone of two short sides formation is especially as anchor head is embedded in bedding material, uniform force and side slope is disturbed Dynamic minimum, is easy to construction and installation, it is necessary to which the angle of explanation, backing plate holder ramp and horizontal plane must be with upstream dam facing and water The angle of plane is identical.
On power transmission stool explanation provided in an embodiment of the present invention:
Power transmission stool provided in an embodiment of the present invention, bears the performance of upper strata panel and lower floor's panel and hydraulic pressure load more Good, stability is good;It can make dam body that there is good anti-seismic performance, seismic deformation is small, does not produce pore water pressure because of earthquake.
Power transmission stool provided in an embodiment of the present invention, proposes the general of 300m grades of face dam self-bearing type panel construction systems first Read.Propose in the layout design of armored concrete panel, the weight component by panel parallel in upstream dam facing direction passes through certainly Hold formula structural system --- " power transmission stool+drawing dowel+anchor spindle assembly " structure is turned around and is dispersed among dam body enrockment.So as to Make each deck panels upstream dam facing direction no longer tire out build docking, significantly improve the stress of panel, make panel resistance to compression, Anticracking, adapting to dam deformation performance enhancement, (self supporting structure system can be by anchor spindle assembly, the enrockment in dam body even dam body The structures in series such as dam dam body and power transmission stool, panel get up, and realize and tense fastening effect, safeguard the stress equilibrium of rock-fill dams, it is ensured that The normal of rock-fill dams is used).
Its major function of power transmission stool is that panel parallel is turned in the weight component of upstream dam facing and dam body enrockment is dispersed in Among, realize the deadweight of each deck panels by dam body self-supporting.Occur mutually squeezing under the influence of dam deformation so as to mitigate panel Pressure, faulting of slab ends, fracture, crack, breakage etc..
In summary, a kind of power transmission stool provided in an embodiment of the present invention, reasonable in design can effectively lift panel The structural strength of rock-fill dams armored concrete panel, bearing capacity, cracking resistance, can effectively reduce panel deformation, improve Panel stressing conditions, and then also ensure that rock-fill dams continuously for a long time using safety.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (7)

1. a kind of power transmission stool, it is characterised in that in adjacent any two pieces of panel partitioned organizations:Upper strata panel, lower floor's panel; Power transmission stool (11) is additionally provided between upper strata panel, lower floor's panel between two pieces of adjacent panel piecemeals;
One end of the power transmission stool (11) is used for by described in as adjacent upper panel and the panel bearing support of lower floor's panel Upper strata panel, lower floor's panel are separated;The other end of the power transmission stool is pre- in dowel (12) level connection joint rock-fill dams by drawing The anchor spindle assembly (13) buried;The deadweight component that the power transmission stool (11) is used for by each deck panels parallel to upstream face direction passes through institute State power transmission stool conversion power transmission direction, and will be parallel to by the drawing dowel (12) in rock-fill dams, the anchor spindle assembly (13) The panel deadweight component in upstream face direction is delivered in rock-fill dams;
It is anti-skidding that each power transmission stool (11) specifically includes backing plate bearing (110), baffle plate (111), baffle plate rib (112), antidetonation Teeth groove (113), anchor pulling eye (114), anchor draw posttension anchor head (115);
Wherein, the baffle plate (111) is vertically set on the centre position of the backing plate bearing (110);The anchor pulling eye (114) is passed through Through the backing plate bearing (110);Described one end for drawing dowel (12) passes through the anchor pulling eye (114), and passes through the anchor Posttension anchor head (115) is drawn to be fixedly connected on the power transmission stool (11), the other end for drawing dowel (12) is fixedly connected on institute State on anchor spindle assembly (13);Installation settings has the baffle plate rib (112) and the antidetonation anti-on the top surface of the baffle plate (111) Slip teeth groove (113);
The overall shape triangular in shape of the backing plate bearing (110) in power transmission stool (11) structure.
2. power transmission stool as claimed in claim 1, it is characterised in that
The corrugated zigzag of the anti-skidding teeth groove of antidetonation (113);
The anti-skidding teeth groove of antidetonation (113) dentelation on the baffle plate of power transmission stool can effectively prevent panel from being taken off under seismic loading Go out, effectively prevent because compression excessive between panel causes slab movement to increase or water slop failure, panel resists macroseism Performance is strengthened.
3. power transmission stool as claimed in claim 2, it is characterised in that
4 drawing anchor head bolts are additionally provided with each power transmission stool (11);The drawing anchor head bolt is used to adjust the biography Power stool tension force it is elastic.
4. power transmission stool as claimed in claim 2, it is characterised in that
Multiple anti-skidding five face cones (116) are additionally provided with the two bottom sides face of the backing plate bearing (110);Multiple anti-skidding five face cones (116) on the two bottom sides face for being uniformly arranged on the backing plate bearing.
5. power transmission stool as claimed in claim 2, it is characterised in that
Filling is provided with adaptation in horizontal longitudinal joint, vertical extensional seam or pressure property seam between upper strata panel, the panel of lower floor's panel Coating is provided with the poly- material sealing layer (117) of one-component on deformation bonding packing layer, and seam face.
6. power transmission stool as claimed in claim 1, it is characterised in that
The power transmission stool is high strength fiber composite material injection-compression molding structural member.
7. power transmission stool as claimed in claim 1, it is characterised in that
The power transmission stool is steel skeleton construction part, and the outer layer also anticorrosion with painting plastic layer of the steel skeleton construction part.
CN201511016671.8A 2015-12-29 2015-12-29 Power transmission stool CN105507211B (en)

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