CN201865084U - Combined multiple-arch type steel dam - Google Patents
Combined multiple-arch type steel dam Download PDFInfo
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- CN201865084U CN201865084U CN2010202021118U CN201020202111U CN201865084U CN 201865084 U CN201865084 U CN 201865084U CN 2010202021118 U CN2010202021118 U CN 2010202021118U CN 201020202111 U CN201020202111 U CN 201020202111U CN 201865084 U CN201865084 U CN 201865084U
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Abstract
The utility model relates to a combined multiple-arch type steel dam, which comprises a dam bottom reinforced concrete bearing platform and a pre-embedded fixed part, edge piers and pre-embedded fixed parts all constructed of reinforced concrete disposed on both banks. The steel dam main body comprises a box type arched support main body and n small-span arched supporting surface boards fixed on the convex waterside surface of the arched support main body; the arched support main body is an assembly of n small arched support bodies divided along the radial direction; and each arched support body is composed of a box type square cross section small arched unit A and a box type triangle cross section small arched unit B. The stability of the steel dam of the utility model mainly depends on the counterforce effect of the arched ends on both banks; the plurality of continuously arranged small-span arched rings on the waterside surface can uniformly transmit the load on the dam body to the arched support main body of the box girder structure behind the surface board, then to the two banks and foundations; in this way, the load is distributed more reasonably. The construction material of the dam is environment-friendly and repeatedly-usable; the dam body achieves the advantages of light weight, high toughness, good elasticity and high aseismic capacity; the dam of the utility model can realize industrialized manufacture and installation easily and can accelerate the engineering progress.
Description
One, technical field:
The utility model relates to the dam architecture advances technology of Hydraulic and Hydro-Power Engineering, particularly a kind of combined multi-arch type steel-structure dam.
Two, background technology:
At present, the main water retaining structure in the Hydraulic and Hydro-Power Engineering has gravity dam, earth and rockfill dam and arch dam.The main feature of various dam types is as follows:
The operating principle of gravity dam is that the skid resistance that relies on the dam body deadweight to produce satisfies the dam body stability requirement, and the compressive stress that relies on the dam body deadweight to produce is offset because the caused tensile stress of water pressure.The dam body section size of gravity dam is big, and material usage is big, and dam body stress is lower, and the strength of materials can not be given full play to.And dam body and ground contact area are big, cause the dam at the bottom of uplift pressure big, unfavorable to dam body homeostasis.
Earth and rockfill dam is the dam that utilizes local material to build up, and dam body will have enough sections could keep stable.And the side slope of earth and rockfill dam and dam foundation stability are the basic assurances of earth and rockfill dam safety.Therefore, the dam body structure must be provided with the good anti-drainage that blends with control seepage flow; Guarantee the stable of dam body, the dam foundation.The unsuitable overcurrent of the dam body of earth and rockfill dam need be provided with special release floodwatering facility, could guarantee the engineering safety operation.
Arch dam mainly relies on the counter-force effect of two sides arch abutment to keep the stable of dam body.Therefore arch dam is had relatively high expectations to landform, the geological conditions of dam site, and is also strict to the requirement of ground.And the arch dam section is thinner, and therefore the dam body complex geometry, requires all to want the force of gravity height of dam to construction quality, dam material intensity and antiseepage.
Three, utility model content:
For the cross dimensions that overcomes gravity dam, earth and rockfill dam is big, the strength of materials can not be given full play to, and the construction period is long, invests big deficiency; Remedy the arch dam deficiency not strong to the compliance of ground, utility model a kind of new dam type---combined multi-arch type steel-structure dam.
Technical scheme:
A kind of combined multi-arch type steel-structure dam, contain steel concrete cushion cap and pre-buried fixture at the bottom of the dam, abutment pier that the two sides reinforced concrete structure builds up and pre-buried fixture, whole true form according to the steel-structure dam body design, dam bottom width degree, the dam body height, dam main body camber and designing requirement to the dam at the bottom of cushion cap and both sides abutment pier carry out Normalized Design, the steel-structure dam main body comprises a box arch support main body and is fixed on n little span arch support panel on the convex surface upstream face of this arch support main body, described arch support main body is the assembly that radially is split into n little arch support body, the radial section of each little arch support body is a right-angled trapezium, wherein hypotenuse is near upstream face, right-angle side is a back side, hypotenuse m five equilibrium with this right-angled trapezium, along each Along ent of hypotenuse and hypotenuse topmost the summit altogether m point do horizontal divisional plane and vertical divisional plane respectively at little arch support intracoelomic cavity, thereby little arch support body is divided into the box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B of some; Forming each box square cross section little arc-shaped element body A of little arch support body and the adjacent side of the little arc-shaped element body of box triangle section B is fixed together, form double-deck public adjacent edge, each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B that adjacent little arch support body butt joint fixedly is an adjacent dock fixing respectively; At the bottom of the box square cross section little arc-shaped element body A of the steel-structure dam main body bottom and box triangle section little arc-shaped element body B and the dam in the steel concrete cushion cap pre-buried fixture fix, pre-buried fixture is fixed in the box square cross section little arc-shaped element body A at steel-structure dam main body two ends and box triangle section little arc-shaped element body B and the steel concrete abutment pier, and wherein m and n are the natural number greater than 1.
Horizontal plane angle is 40 °～55 ° at the bottom of described little span arch support panel and the dam.
Lateral opening end at square cross section little arc-shaped element body A also is fixed with inclined support bar.
On the dam body main body, also be fixed with upper head plate with the dam body outline.
The common edge of adjacent two little arch support body butt joints is provided with groove, and the adjacent side coupling of adjacent two little span arch support panels is fixed in the described groove.The side of outermost little arch support body is provided with the limit groove, and the lateral wall coupling of outermost little span arch support plate is fixed in the groove of described limit.Described groove can be common rectangular recess, also can be dovetail groove.The side of little arch support body is provided with the flange with the groove coupling.
Described box arch support main body is a parabolic arch, perhaps is elliptic arch, perhaps is sprung arch, perhaps is semi-circular arch.
The bottom of described dam base concrete cushion cap and both sides concrete abutment pier is fixed on the basement rock depths by anchor pole respectively.
Be provided with power plant building facility, elevator shaft, maintenance gallery in each the square cross section little arc-shaped element body A that is interconnected of dam body rear, suitable place is provided with the flood discharge passage in the reservoir area landform.
According to actual needs, the upper surface of steel-structure dam main body and bottom surface can suitably be widened to back side one side, and the width of the cell cube A of the rear side of steel-structure dam main body may be greater than the width of other cell cubes A like this.Can certainly increase the extra play that one deck is made up of cell cube A again at the rear side of steel-structure dam main body, so that the thickening dam body only needs.
A kind of combined multi-arch type steel-structure dam, contain steel concrete cushion cap and pre-buried fixture at the bottom of the dam, abutment pier that the two sides reinforced concrete structure builds up and pre-buried fixture, whole true form according to the steel-structure dam body design, dam bottom width degree, the dam body height, dam main body camber and designing requirement to the dam at the bottom of cushion cap and both sides abutment pier carry out Normalized Design, the steel-structure dam main body comprises a box arch support main body, on the convex surface upstream face of this arch support main body, be fixed with n little span arch support panel, described arch support main body is the assembly that radially is split into n little arch support body, the radial section of each little arch support body is a right-angled trapezium, wherein hypotenuse is near upstream face, right-angle side is a back side, hypotenuse m five equilibrium with this right-angled trapezium, along each Along ent of hypotenuse and hypotenuse topmost the summit altogether m point do horizontal divisional plane and vertical divisional plane respectively at little arch support intracoelomic cavity, thereby little arch support body is divided into the box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B of some; Forming each box square cross section little arc-shaped element body A of little arch support body and the adjacent side of the little arc-shaped element body of box triangle section B is the public adjacent edge of individual layer, and each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B that adjacent little arch support body butt joint fixedly is an adjacent dock fixing respectively; At the bottom of the box square cross section little arc-shaped element body A of the steel-structure dam main body bottom and box triangle section little arc-shaped element body B and the dam in the steel concrete cushion cap pre-buried fixture fix, pre-buried fixture is fixed in the box square cross section little arc-shaped element body A at steel-structure dam main body two ends and box triangle section little arc-shaped element body B and the steel concrete abutment pier, and wherein m and n are the natural number greater than 1.
Horizontal plane angle is 40 °～55 ° at the bottom of described little span arch support panel and the dam.
Lateral opening end at square cross section little arc-shaped element body A also is fixed with inclined support bar.
On the dam body main body, also be fixed with upper head plate with the dam body outline.
The common edge of adjacent two little arch support body butt joints is provided with public groove, and the adjacent side coupling of adjacent two little span arch support panels is fixed in the described public groove.The side of outermost little arch support body is provided with the limit groove, and the lateral wall coupling of outermost little span arch support plate is fixed in the groove of described limit.Described groove can be common rectangular recess, also can be dovetail groove.The side of little arch support body is provided with the flange with the groove coupling.
Described box arch support main body is a parabolic arch, perhaps is elliptic arch, perhaps is sprung arch, perhaps is semi-circular arch.
The bottom of described dam base concrete cushion cap and both sides concrete abutment pier is fixed on the basement rock depths by anchor pole respectively.
Be provided with power plant building facility, elevator shaft, maintenance gallery in each the square cross section little arc-shaped element body A that is interconnected of dam body rear, suitable place is provided with the flood discharge passage in the reservoir area landform.
According to actual needs, the upper surface of steel-structure dam main body and bottom surface can suitably be widened to back side one side, and the width of the cell cube A of the rear side of steel-structure dam main body may be greater than the width of other cell cubes A like this.Can certainly increase the extra play that one deck is made up of cell cube A again at the rear side of steel-structure dam main body, so that the thickening dam body only needs.
The beneficial effects of the utility model:
(1) stablizes characteristics
The stable main counter-force effect that relies on the two sides arch abutment of dam body, it is stable to rely on deadweight to keep unlike gravity dam.The arch ring of the little span that several of upstream face are arranged continuously, the arch action by little span of load that dam body bears is delivered on the arch support main body of the box-beam structure behind the panel equably, be delivered to two sides and ground by arch support main body (main arch circle) again, it is more more reasonable than the load distribution on single arch dam or how arched dam to make the dam body load distribute like this.Panel is horizontal by 40 °～55 ° angle, and it is heavy to make full use of the vertical water that panel bears, and strengthens the stable of combined multi-arch type steel-structure dam dam body.Make the dam main body pass through the synergy of several continuous arch rings and case beam support arch ring, finish dam body, Ku Shui, ground three's coordination jointly.
(2) design feature
Steel-structure dam is the overall space structure, and dam body is gently tough, good springiness, and shock resistance is strong.Arch is a kind of thrust structure of mainly bearing axial compression, and moment of flexure is little in the arch, and stress distribution is comparatively even, helps bringing into play the intensity of steel structure material.This dam type has that the dam body cross dimensions is little, intensity is high, rigidity is big, material plasticity, good toughness, moderate finite deformation can be arranged, and can bear dynamic loading, dam material environmental protection, reusable, realizes that easily the industrialization manufacturing installs, and can speed up the work.
(3) application characteristic
Steel-structure dam not only can safe overflow, and can the big aperture of single or multiple lift be set at dam body and sluice.The safety that can guarantee flood is led off, and can satisfy maintenance, the emptying of industry, agricultural, urban water use and dam body, reservoir area, the requirement of sediment outflow.
Four, description of drawings:
Fig. 1 is one of perspective view of combined multi-arch type steel-structure dam main body of the present utility model;
Fig. 1-the 1st, the disassembled form schematic diagram of the steel-structure dam main body of Fig. 1;
Fig. 1-2 is the disassembled form schematic diagram of the arch support main body of Fig. 1 or Fig. 1-1;
Fig. 2 is a combined multi-arch type steel-structure dam upstream face direction structure schematic diagram of the present utility model;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is A-A section (longitudinal section) structural representation of Fig. 2;
Fig. 5 is the B-B cross-sectional view of Fig. 4;
Fig. 6 is the C portion structure for amplifying schematic diagram of Fig. 4;
Fig. 7 is the D portion structure for amplifying schematic diagram of Fig. 4;
Fig. 8 is the E portion structure for amplifying schematic diagram of Fig. 5;
Fig. 9 is that the F of Fig. 6 is to structural representation;
Figure 10 is the G-G cross-sectional view of Fig. 8;
Figure 11 be combined multi-arch type steel-structure dam main body of the present utility model perspective view two;
Figure 11-the 1st, the little arc-shaped element body of the triangle section of Figure 11 B structural representation;
Figure 11-the 2nd, the tubular type arc-shaped element body A structural representation of Figure 11;
Figure 11-2-1 is one of disassembled form schematic diagram of Figure 11-2;
Figure 11-2-2 be Figure 11-2 the disassembled form schematic diagram two.
Among the figure, numbering 1 is little arch support main body, 2 is little span arch support panel, and 3 is upper head plate, and 4 is square cross section little arc-shaped element body A, 5 is the little arc-shaped element body of triangle section B, 6 is inclined support bar, and 7 is rectangle frame, and 8 is arc side plate, 8 ' is the curved wall as common edge, 9 planar end plate for band arc limit, 9 ' is the planar end plate as the band arc limit of common edge, 10 arc side plates (being positioned at the upstream face side) for inclination, 11 is steel concrete cushion cap at the bottom of the dam, 12 is the fixing on the bank steel concrete abutment piers in both sides, and 13 is the side of little arch support main body, and 14 is pre-buried fixture, 15 for connecting bottom surface or connecting pin, and 16 is anchor pole.
Five, the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 1-1, Fig. 1-2, Fig. 3-Figure 10, a kind of combined multi-arch type steel-structure dam contains abutment pier 12 and pre-buried fixture that steel concrete cushion cap 11 and pre-buried fixture at the bottom of the dam, two sides reinforced concrete structure build up.The shape of steel concrete cushion cap 11 and two sides steel concrete abutment pier 12 depends primarily on the steel-structure dam body shape at the bottom of the dam.As can be seen from Figure 3, at the bottom of the dam width of steel concrete cushion cap 11 and two sides steel concrete abutment pier 12 all suitably greater than steel-structure dam bottom part body or side width.
Constructing steel-structure dam be, at first according to whole true form, dam bottom width degree, dam body height, dam main body camber and the designing requirement of steel-structure dam body design to the dam at the bottom of cushion cap and both sides abutment pier carry out Normalized Design.
As can be seen from Figure 1, the steel-structure dam main body comprises a box arch support main body, in this box arch support main body is plate-girder arch structure across the river course, be fixed with n little span arch support panel 2 on its convex surface upstream face, also be fixed with upper head plate 3 in dam body main body upper end with the dam body outline.
Described arch support main body is the assembly that radially is split into n little arch support main body 1, referring to Fig. 1-1, each little arch support main body 1 also fixedly is made up of a plurality of box squares cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B bond.The radial section of each little arch support main body 1 is a right-angled trapezium, and wherein hypotenuse is a back side near upstream face, right-angle side.
In order more clearly to describe the relation between each little arch support main body and each box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B, can be with the hypotenuse m five equilibrium of this right-angled trapezium, along each Along ent of hypotenuse and hypotenuse topmost the summit altogether m point do horizontal divisional plane and vertical divisional plane respectively at little arch support main body inner chamber, thereby little arch support main body is divided into the box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B of some.
In the present embodiment, the elementary cell of forming little arch and even box arch support main body is exactly box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B, each cell cube is installed above-mentioned structural relation bond and is fixed together, form each box square cross section little arc-shaped element body A of little arch support main body and the adjacent side of the little arc-shaped element body of box triangle section B and be fixed together, form double-deck public adjacent edge.Each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B that adjacent little arch support main body butt joint fixedly is an adjacent dock fixing respectively.In fact, each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B are the standard block bodies that forms by outer processing in advance, only need each cell cube A and cell cube B installation corresponding relation are fixed together at the scene of constructing, thereby between each adjacent cells body, have double-deck common edge.This mode of constructing has the advantage that speed of application is fast, precision is high, stability is strong.
In addition, according to actual needs, the upper surface of steel-structure dam main body and bottom surface can suitably be widened to back side one side, and the width of the cell cube A of the rear side of steel-structure dam main body may be greater than the width of other cell cubes A like this.Can certainly increase the extra play that one deck is made up of cell cube A again at the rear side of steel-structure dam main body, so that the thickening dam body only needs.
Fig. 1-2 represents the fractionation structural representation of this little arch support main body 1; At the bottom of the box square cross section little arc-shaped element body A of the steel-structure dam main body bottom and box triangle section little arc-shaped element body B and the dam in the steel concrete cushion cap pre-buried fixture fix, also can increase one deck fixation steel plate or connecting pin, fix with each pre-buried fixture then in the bottom of steel-structure dam main body.Pre-buried fixture is fixed in the box square cross section little arc-shaped element body A at steel-structure dam main body two ends and box triangle section little arc-shaped element body B and the steel concrete abutment pier, also can increase one deck fixation steel plate or connecting pin, fix with each pre-buried fixture then in the bottom of steel-structure dam main body.
Horizontal plane angle is 40 °～55 ° at the bottom of described little span arch support panel and the dam.
Lateral opening end at square cross section little arc-shaped element body A also is fixed with inclined support bar.
M in the present embodiment and n are the natural number greater than 1.
There is fixed relationship between the hypotenuse of the little arch support main body of little span arch support panel and close upstream face one side.In general, each little arch support main body correspondence is fixed a little span arch support panel, and promptly the dual-side of each little span arch support panel is fixed on the dual-side of corresponding little arch support main body.Its fixed form is various, can adopt the mode of direct welding to fix, and also can adopt the fixed form that embeds groove.The common edge of for example adjacent two little arch support main body butt joints is provided with groove, and the adjacent side coupling of adjacent two little span arch support panels is fixed in the described groove.The side of outermost little arch support main body is provided with the limit groove, and the lateral wall coupling of outermost little span arch support plate is fixed in the groove of described limit.Described groove can be common rectangular recess, also can be dovetail groove.The side of little arch support main body is provided with the flange with the groove coupling.
In the present embodiment, described box arch support main body is a parabolic arch, perhaps is elliptic arch, perhaps is sprung arch, perhaps is semi-circular arch.
The bottom of described dam base concrete cushion cap and both sides concrete abutment pier is fixed on the basement rock depths by anchor pole respectively.
Be provided with power plant building facility, elevator shaft, maintenance gallery in each the square cross section little arc-shaped element body A that is interconnected of dam body rear, suitable place is provided with the flood discharge passage in the reservoir area landform.
In the present embodiment, the fixed relationship of box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B adjacent wall all adopts welding manner to fix.
Embodiment two: accompanying drawing is not drawn, content and embodiment one are basic identical, something in common does not repeat, different is: in the present embodiment, the fixed relationship of box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B adjacent side is to pass through bolt, for example on adjacent double-deck common side-wall, be respectively equipped with the fixing hole of coupling, adopt high-strength bolt and nut, spacers, do not describe in detail corresponding respectively install and fix in the hole.
Embodiment three: referring to Figure 11, Figure 11-1, Figure 11-2, Figure 11-2-1, another kind of combined multi-arch type steel-structure dam, main contents are identical with embodiment one, something in common does not repeat, and different is: forming each box square cross section little arc-shaped element body A of little arch support main body and the adjacent side of the little arc-shaped element body of box triangle section B is the public adjacent edge of individual layer.
In the present embodiment, constituting each box square cross section little arc-shaped element body A of box arch support main body and the little arc-shaped element body of box triangle section B is respectively that field Welding is fixed or formed by other modes are fixing.Can be respectively referring to as Figure 11, Figure 11-1, Figure 11-2, Figure 11-2-1, constitute box square cross section little arc-shaped element body A and be by the planar end plate 9 on arc side plate 8 and band arc limit and diagonal control arm 6 and fixedly form by field Welding.Constitute the little arc-shaped element body of box triangle section B and be by arc side plate 8 and the arc side plate that tilts 10 and fixedly form by field Welding.Wherein label 8 ' is the curved wall as common edge, and 9 ' is the planar end plate as the band arc limit of common edge.
Thereby forming each box square cross section little arc-shaped element body A of little arch support main body 1 and the adjacent side of the little arc-shaped element body of box triangle section B is the public adjacent edge of individual layer.
Embodiment four: referring to Figure 11, Figure 11-1, Figure 11-2, Figure 11-2-2, content and embodiment three are basic identical, something in common does not repeat, different is: the two ends that constitute box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B are respectively equipped with rectangle or right-angled triangle framework, and each fixed side or end plate are fixed on this rectangle or the right-angled triangle framework respective side.
Claims (10)
1. combined multi-arch type steel-structure dam, contain steel concrete cushion cap and pre-buried fixture at the bottom of the dam, abutment pier that the two sides reinforced concrete structure builds up and pre-buried fixture, it is characterized in that: the steel-structure dam main body comprises a box arch support main body, on the convex surface upstream face of this arch support main body, be fixed with n little span arch support panel, described arch support main body is the assembly that radially is split into n little arch support body, the radial section of each little arch support body is a right-angled trapezium, wherein hypotenuse is near upstream face, right-angle side is a back side, hypotenuse m five equilibrium with this right-angled trapezium, along each Along ent of hypotenuse and hypotenuse topmost the summit altogether m point do horizontal divisional plane and vertical divisional plane respectively at little arch support intracoelomic cavity, thereby little arch support body is divided into the box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B of some; Forming each box square cross section little arc-shaped element body A of little arch support body and the adjacent side of the little arc-shaped element body of box triangle section B is fixed together, form double-deck public adjacent edge, each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B that adjacent little arch support body butt joint fixedly is an adjacent dock fixing respectively; At the bottom of the box square cross section little arc-shaped element body A of the steel-structure dam main body bottom and box triangle section little arc-shaped element body B and the dam in the steel concrete cushion cap pre-buried fixture fix, pre-buried fixture is fixed in the box square cross section little arc-shaped element body A at steel-structure dam main body two ends and box triangle section little arc-shaped element body B and the steel concrete abutment pier, and wherein m and n are the natural number greater than 1.
2. combined multi-arch type steel-structure dam according to claim 1 is characterized in that: horizontal plane angle is 40 °～55 ° at the bottom of described little span arch support panel and the dam.
3. combined multi-arch type steel-structure dam according to claim 1 is characterized in that: the lateral opening end at square cross section little arc-shaped element body A also is fixed with inclined support bar.
4. combined multi-arch type steel-structure dam according to claim 1 is characterized in that: described box arch support main body is a parabolic arch, perhaps is elliptic arch, perhaps is sprung arch, perhaps is semi-circular arch.
5. according to each described combined multi-arch type steel-structure dam of claim 1-4, it is characterized in that: the common edge of adjacent two little arch support body butt joints is provided with groove, and the adjacent side coupling of adjacent two little span arch support panels is fixed in the described groove.
6. combined multi-arch type steel-structure dam, contain steel concrete cushion cap and pre-buried fixture at the bottom of the dam, abutment pier that the two sides reinforced concrete structure builds up and pre-buried fixture, it is characterized in that: the steel-structure dam main body comprises a box arch support main body and is fixed on n little span arch support panel on the convex surface upstream face of this arch support main body, described arch support main body is the assembly that radially is split into n little arch support body, the radial section of each little arch support body is a right-angled trapezium, wherein hypotenuse is near upstream face, right-angle side is a back side, hypotenuse m five equilibrium with this right-angled trapezium, along each Along ent of hypotenuse and hypotenuse topmost the summit altogether m point do horizontal divisional plane and vertical divisional plane respectively at little arch support intracoelomic cavity, thereby little arch support body is divided into the box square cross section little arc-shaped element body A and the little arc-shaped element body of the box triangle section B of some; Forming each box square cross section little arc-shaped element body A of little arch support body and the adjacent side of the little arc-shaped element body of box triangle section B is the public adjacent edge of individual layer, and each box square cross section little arc-shaped element body A and the little arc-shaped element body of box triangle section B that adjacent little arch support body butt joint fixedly is an adjacent dock fixing respectively; At the bottom of the box square cross section little arc-shaped element body A of the steel-structure dam main body bottom and box triangle section little arc-shaped element body B and the dam in the steel concrete cushion cap pre-buried fixture fix, pre-buried fixture is fixed in the box square cross section little arc-shaped element body A at steel-structure dam main body two ends and box triangle section little arc-shaped element body B and the steel concrete abutment pier, and wherein m and n are the natural number greater than 1.
7. combined multi-arch type steel-structure dam according to claim 6 is characterized in that: horizontal plane angle is 40 °～55 ° at the bottom of described little span arch support panel and the dam.
8. combined multi-arch type steel-structure dam according to claim 6 is characterized in that: the lateral opening end at square cross section little arc-shaped element body A also is fixed with inclined support bar.
9. combined multi-arch type steel-structure dam according to claim 6 is characterized in that: also be fixed with the upper head plate with the dam body outline in dam body main body upper end.
10. according to each described combined multi-arch type steel-structure dam of claim 6-9, it is characterized in that: the common edge of adjacent two little arch support body butt joints is provided with groove, and the adjacent side coupling of adjacent two little span arch support panels is fixed in the described groove.
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| CN107245984A (en) * | 2017-07-05 | 2017-10-13 | 朱奎 | Checkdam structure |
| RU2638186C1 (en) * | 2017-03-16 | 2017-12-12 | Акционерное общество "Проектно-изыскательский и научно-исследовательский институт "Гидропроект" им. С.Я. Жука" | Method of concrete dam construction in river canyon |
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- 2010-05-25 CN CN2010202021118U patent/CN201865084U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102587329A (en) * | 2012-04-12 | 2012-07-18 | 河海大学 | Arched combined faceplate for earth-rock dam and construction method thereof |
| CN105648979A (en) * | 2016-01-07 | 2016-06-08 | 李祖德 | Slope protection embankment suitable for urgent water bay |
| CN105862664A (en) * | 2016-03-08 | 2016-08-17 | 朱奎 | Water retaining dam |
| CN105862664B (en) * | 2016-03-08 | 2017-11-10 | 朱奎 | Checkdam |
| CN106869323A (en) * | 2016-12-22 | 2017-06-20 | 安徽伟宏钢结构集团股份有限公司 | Trapezoidal support column steel member |
| RU2638186C1 (en) * | 2017-03-16 | 2017-12-12 | Акционерное общество "Проектно-изыскательский и научно-исследовательский институт "Гидропроект" им. С.Я. Жука" | Method of concrete dam construction in river canyon |
| CN107178065A (en) * | 2017-07-05 | 2017-09-19 | 朱奎 | The construction method of checkdam |
| CN107245984A (en) * | 2017-07-05 | 2017-10-13 | 朱奎 | Checkdam structure |
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