CN103967045A - Overland four-blade type whole rebar structure of draught fan spread foundation - Google Patents
Overland four-blade type whole rebar structure of draught fan spread foundation Download PDFInfo
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Abstract
The invention provides an overland four-blade type whole rebar structure of the draught fan spread foundation. The structure comprises an upper portion rebar frame, a lower portion rebar frame and a middle rebar frame, wherein the middle rebar frame connects the upper portion rebar frame and the lower rebar frame, and the upper portion rebar frame and the lower rebar frame are parallel to each other. According to the whole rebar structure, the four-blade type body type structure is fully utilized, the stress characteristics of the four-blade structure are played, the spread foundation body type is of a four-blade arrangement mode, the whole foundation is of a four-blade body type, the whole concrete structure needs to be combined with the matched rebars to form a whole stress structure, and the foundation rebars are arranged in a four-blade body type mode and are connected with foundation rings to form a whole bearing upper portion loading structure. The four-blade type whole rebar concrete foundation structure is clear in stress, high in safety, lower in foundation cost, and suitable for the overland wind power plant four-blade spread foundation with the foundation bearing capacity larger than 250 MPa.
Description
Technical field
The present invention relates to the blower fan spread footing steel bar overall structure of a kind of blower foundation bar construction, particularly a kind of land four blade profiles.
Background technology
Land wind energy turbine set installation scale approximately 6,000 ten thousand kW that China builds at present, China's land wind energy resources can exploitation be measured approximately 23.8 hundred million kW, the wind energy turbine set of each installation scale 50,000 kW, the base concrete consumption of C40 intensity is about 11550m
3.Meeting under the precondition of basic safety and stability, adopting the basic build of optimizing, can save a large amount of base concrete engineering quantitys.So the optimal design of land wind energy turbine set base form is the research topic of land wind electric field blower foundation design field always.
Summary of the invention
For the problems referred to above, the present invention, according to the loading characteristic of four impeller structures, provides a kind of safe, the whole bar construction of blower fan spread footing of land four blade profiles that basic cost reduces.
In order to realize above-mentioned object, the present invention by the following technical solutions, a kind of whole bar construction of blower fan spread footing of land four blade profiles, comprise upper reinforcement framework, lower rebar framework, the middle part reinforcement frame that connects upper reinforcement framework and lower rebar framework, described upper reinforcement framework and lower rebar framework be arranged in parallel;
Described upper reinforcement framework is comprised of 4 first trapezoidal single leaves that distribute symmetrically around middle part reinforcement frame central point, and first described trapezoidal single leaf joins end to end; The the first rectangle reinforcing bar group consisting of the reinforcing bar that is parallel to each other and evenly arranges between the upper base of described first symmetrical trapezoidal single leaf connects; The inner side of the trapezoidal left and right waist of first described trapezoidal single leaf is provided with and is longitudinally evenly arranged the Eight characters gradual change reinforcing bar group that gradual change reinforcing bar forms, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group be from the Eight characters outwards gradual change reduce, the head of described splayed gradual change reinforcing bar group and first trapezoidal single leaf upper base connect, the afterbody afterbody of the splayed gradual change reinforcing bar group in the described afterbody of splayed gradual change reinforcing bar group and first trapezoidal single leaf of the other end of the upper reinforcement framework of first trapezoidal single leaf symmetry connects by reinforcing bar; The inside of first described trapezoidal single leaf is also provided with first trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of the first gradual change of the reinforcing bar composition of evenly arranging;
Described lower rebar member is comprised of 4 second trapezoidal single leaves that distribute symmetrically around middle part reinforcement frame central point, and second described trapezoidal single leaf joins end to end; The the second rectangle reinforcing bar group consisting of reinforcing bar vertical with second trapezoidal single leaf upper base and that evenly arrange between the upper base of described second symmetrical trapezoidal single leaf connects, the inside of described second trapezoidal single leaf is provided with the Eight characters reinforcing bar group with the parallel equally distributed composition that loses no time of second trapezoidal single leaf left and right waist, the head of described Eight characters reinforcing bar group connects with the upper base of second trapezoidal single leaf, and the Eight characters reinforcing bar group afterbody of the other end second trapezoidal single leaf that the afterbody of described Eight characters reinforcing bar group is symmetrical with second trapezoidal single leaf connects; The inside of second described trapezoidal single leaf is also provided with second trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of the second gradual change of the reinforcing bar composition of evenly arranging;
Described middle part reinforcement frame, the the first oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group that vertical upper reinforcement framework and lower rebar framework and the reinforcing bar of evenly arranging around central point rotation, consist of, be also provided with in the first described oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group and evenly arrange and vertical sleeve is located at the connection annulus reinforcing bar group of the first oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group; The first described oval reinforcing bar group is positioned at the outside of the second oval reinforcing bar group, described the second annulus reinforcing bar group is positioned at the outside of the first oval reinforcing bar group, the first described annulus reinforcing bar group is positioned at the outside of the second annulus reinforcing bar group, perpendicular straight arranged reinforcing bar in described the first oval reinforcing bar group equates with the quantity of perpendicular straight arranged reinforcing bar in the second oval reinforcing bar group, and the first steel hoop group mutually consisting of reinforcing bar between corresponding reinforcing bar connects; Perpendicular straight arranged reinforcing bar in described the first annulus reinforcing bar group equates with the quantity of perpendicular straight arranged reinforcing bar in the second annulus reinforcing bar group, and the second steel hoop group consisting of reinforcing bar between mutual corresponding reinforcing bar connects.
In described upper reinforcement framework and lower rebar framework, be respectively equipped with the square reinforcing bar group being formed by the equally distributed reinforcing bar that is parallel to each other, described square reinforcing bar Zu center and the centres of upper reinforcement framework or lower rebar framework, and the diagonal of described square reinforcing bar group is vertical with the base of first trapezoidal single leaf or second trapezoidal single leaf.
Each limit of described square reinforcing bar group is positioned at outside the second annulus reinforcing bar group within being positioned at the intersection point that first trapezoidal single leaf or second trapezoidal single leaf connect from beginning to end.
In Eight characters reinforcing bar group in described lower rebar framework, between equally distributed reinforcing bar, by isometric reinforcing bar group, connect.
Between connection annulus reinforcing bar group in the first described oval reinforcing bar group and the second oval reinforcing bar group or the first annulus reinforcing bar group and the second annulus reinforcing bar group, by the longitudinal oval reinforcing bar group vertical with connecting annulus reinforcing bar group cross section, connect.
First described trapezoidal single leaf or the edge of second trapezoidal single leaf are provided with the four limb muscle groups vertical with first trapezoidal single leaf or second trapezoidal single leaf, and four described limb muscle groups are by the cross reinforcement parallel with first trapezoidal single leaf or second trapezoidal single leaf and the net structure that forms with longitudinal bar that cross reinforcement intersects vertically.
Longitudinal bar in four described limb muscle groups equates with the number of steel bars in the trapezoidal reinforcing bar group of the first gradual change or the trapezoidal reinforcing bar group of the second gradual change, and corresponding connection mutually.
First described trapezoidal single leaf or the shape of second trapezoidal single leaf are isosceles trapezoids.
The present invention adopts above-mentioned technical scheme, it has the following advantages: the three-dimensional-structure that makes full use of four blade profiles, bring into play the loading characteristic of four impeller structures, 32 kinds of reasonable disposition are above multi-form, special bending, the whole steel bar stress structure of different-diameter spacing, in the most complicated force part, basis, the excellent square platform pillar build of establishing, configuration level to, vertically, miter angle is oblique, the steel bar stress of the special bending such as hoop, spread footing build is four leaf arrangement forms, whole basis becomes four leaf builds, monolithic concrete structure need be combined into whole force structure with the reinforcing bar matching, reinforcement foundation is arranged by four leaf builds, connect into the as a whole upper load structure of bearing with discharge ring, four blade profile integral reinforced concrete foundation structures, stressed clear and definite, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shortened the integral construction duration, reduced whole investment, further optimized the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it has safe, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footings that bearing capacity of foundation soil is greater than 250MPa.
Accompanying drawing explanation
Fig. 1 is the whole reinforcing bar structural representation of a kind of blower fan spread footing of land four blade profiles;
Fig. 2 is the trapezoidal single leaf part reinforcing bar of upper reinforcement framework first schematic diagram of arranging;
Fig. 3 is square reinforcing bar group and the middle part reinforcement frame reinforcing bar schematic diagram of arranging in the trapezoidal single leaf reinforcing bar of upper reinforcement framework first;
Fig. 4 is the trapezoidal single leaf part reinforcing bar of lower rebar framework second schematic diagram of arranging;
Fig. 5 is the reinforcing bar of lower rebar framework and the middle part reinforcement frame schematic diagram of arranging;
Fig. 6 is half sectional structure schematic diagram of the present invention
Fig. 7 is the whole reinforcing bar of the upper reinforcement framework schematic diagram of arranging;
Fig. 8 is the whole reinforcing bar of the lower rebar framework schematic diagram of arranging.
1, upper reinforcement framework; 2, lower rebar framework; 3, middle part reinforcement frame; 4, first trapezoidal single leaf; 5, second trapezoidal single leaf; 6, square reinforcing bar group; 7, four limb muscle groups; 301, the first oval reinforcing bar group; 302, the second oval reinforcing bar group; 303, the first annulus reinforcing bar group; 304, the second annulus reinforcing bar group; 305, connect annulus reinforcing bar group; 306, the first steel hoop group; 307, the second steel hoop group; 401, the first rectangle reinforcing bar group; 402, Eight characters gradual change reinforcing bar group; 403, the trapezoidal reinforcing bar group of the first gradual change; 501, the second rectangle reinforcing bar group; 502, Eight characters reinforcing bar group; 503, the trapezoidal reinforcing bar group of the second gradual change; 504, isometric reinforcing bar group.
The specific embodiment
Further the whole bar construction of a kind of blower fan spread footing of land four blade profiles is described according to drawings and embodiments.
The whole bar construction of blower fan spread footing of a kind of land four blade profiles as shown in Fig. 1,2,3,4,5,6,7,8, comprise upper reinforcement framework 1, lower rebar framework 2, the middle part reinforcement frame 3 that connects upper reinforcement framework and lower rebar framework, described upper reinforcement framework 1 and lower rebar framework 1 be arranged in parallel;
Fig. 2,3 can clearly find out that described upper reinforcement framework 1 is comprised of 4 first trapezoidal single leaves 4 that distribute symmetrically around middle part reinforcement frame 3 central points, and first described trapezoidal single leaf 4 joins end to end; The the first rectangle reinforcing bar group 401 consisting of the reinforcing bar that is parallel to each other and evenly arranges between the upper base of described first symmetrical trapezoidal single leaf 4 connects; The inner side of the trapezoidal left and right waist of first described trapezoidal single leaf 4 is provided with and is longitudinally evenly arranged the Eight characters gradual change reinforcing bar group 402 that gradual change reinforcing bar forms, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group 402 be from the Eight characters outwards gradual change reduce, the head of described splayed gradual change reinforcing bar group 402 connects with the upper base of first trapezoidal single leaf 4, and the afterbody of the splayed gradual change reinforcing bar group 402 in first trapezoidal single leaf 4 of the described afterbody of splayed gradual change reinforcing bar group 402 and the other end of the upper reinforcement framework of first trapezoidal single leaf 4 symmetries connects by reinforcing bar; The inside of first described trapezoidal single leaf 4 is also provided with first trapezoidal single leaf 4 upper bases and goes to the bottom and parallels the trapezoidal reinforcing bar group 403 of the first gradual change of the reinforcing bar composition of evenly arranging;
The first rectangle reinforcing bar group 401 between first symmetrical trapezoidal single leaf 4 is evenly to be arranged and form by the reinforcing bar of 9 Φ 28mm;
Eight characters gradual change reinforcing bar group 402 by monolateral be that the reinforcing bar of the length gradual change of 8 Φ 28mm is arranged and formed;
The trapezoidal reinforcing bar group 403 of the first gradual change in each first trapezoidal single leaf 4 is that the reinforcing bar by 23 Φ 16mm is parallel to each other and evenly arranges;
Fig. 4,5 has clearly expressed described lower rebar member 2 and has been comprised of 4 second trapezoidal single leaves 5 that distribute symmetrically around 3 central points of middle part reinforcing bar structure, and second described trapezoidal single leaf 5 joins end to end; The the second rectangle reinforcing bar group 501 consisting of reinforcing bar vertical with second trapezoidal single leaf 5 upper bases and that evenly arrange between the upper base of described second symmetrical trapezoidal single leaf 5 connects, the inside of described second trapezoidal single leaf 5 is provided with the Eight characters reinforcing bar group 502 with the parallel equally distributed composition that loses no time of second trapezoidal single leaf 5 left and right waist, the head of described Eight characters reinforcing bar group 502 connects with the upper base of second trapezoidal single leaf 5, and Eight characters reinforcing bar group 502 afterbodys of the trapezoidal single leaf 5 of the other end second that the afterbody of described Eight characters reinforcing bar group 502 is symmetrical with second trapezoidal single leaf 5 connect by reinforcing bar; The inside of second described trapezoidal single leaf 5 is also provided with second trapezoidal single leaf 5 upper bases and goes to the bottom and parallels the trapezoidal reinforcing bar group 503 of the second gradual change of the reinforcing bar composition of evenly arranging;
The the second rectangle reinforcing bar group 501 connecting between second symmetrical trapezoidal single leaf 5 is evenly to be arranged and form by the reinforcing bar of 9 Φ 28mm;
Eight characters reinforcing bar group 502 be by monolateral be the reinforcing bar of 7 Φ 28mm, and with parallel being uniformly distributed of waist of second trapezoidal single leaf 5;
The trapezoidal reinforcing bar group 503 of the second gradual change in each second trapezoidal single leaf 5 is that the reinforcing bar by 23 Φ 16mm is parallel to each other and evenly arranges;
Fig. 3 and Fig. 5 have clearly recorded described middle part reinforcement frame 3, the the first oval reinforcing bar group 301 being formed by vertical upper reinforcement framework 1 and lower rebar framework 2 and the reinforcing bar of evenly arranging around central point rotation, the second oval reinforcing bar group 302, the first annulus reinforcing bar group 303, the second annulus reinforcing bar group 304, the first described oval reinforcing bar group 301, the second oval reinforcing bar group 302, the first annulus reinforcing bar group 303, in the second annulus reinforcing bar group 304, be also provided with and evenly arrange and vertical sleeve is located at the first oval reinforcing bar group 301, the second oval reinforcing bar group 302, the first annulus reinforcing bar group 303, the connection annulus reinforcing bar group 305 of the second annulus reinforcing bar group 303, first described 301 groups of outsides that are positioned at the second oval reinforcing bar group 302 of oval reinforcing bar, described the second annulus reinforcing bar group 304 is positioned at the outside of the first oval reinforcing bar group 301, the first described annulus reinforcing bar group 303 is positioned at the outside of the second annulus reinforcing bar group 303, the quantity of the perpendicular straight arranged reinforcing bar in 302 groups of the perpendicular straight arranged reinforcing bar in 301 groups of described the first oval reinforcing bars and the second oval reinforcing bars equates, and the first steel hoop group 306 mutually consisting of reinforcing bar between corresponding reinforcing bar connects, perpendicular straight arranged reinforcing bar in described the first annulus reinforcing bar group 303 equates with the quantity of perpendicular straight arranged reinforcing bar in the second annulus reinforcing bar group 304, and the second steel hoop group consisting of reinforcing bar between mutual corresponding reinforcing bar connects 307.
The first oval reinforcing bar group 301 and two oval reinforcing bar groups 302 be respectively reinforced steel bar ring by 56 Φ 28mm around forming, the first annulus reinforcing bar group 303 and the second annulus reinforcing bar group 304 are that reinforced steel bar ring by 61 Φ 28mm is around forming; Be set in the first oval reinforcing bar group 301, the second oval reinforcing bar group 302, connection annulus reinforcing bar group 305 outside the first annulus reinforcing bar group 303 is evenly placed with 7 reinforcing bars from the top down, be set in the second annulus reinforcing bar group 304 and be evenly placed with from the top down 9 reinforcing bars, every reinforcing bar Φ 16mm, connect in the first annulus reinforcing bar group 303 and the second annulus reinforcing bar group 304 vertically reinforcing bar from top to down equally distributed the second steel hoop group 307 be 7 layers, the diameter of phi 28mm of the reinforcing bar in every layer; Connect in the first oval reinforcing bar group 301 and the second oval reinforcing bar group 302 vertically reinforcing bar from top to down equally distributed the first steel hoop group 306 be 7 layers, the diameter of phi 28mm of the reinforcing bar in every layer;
Between above-mentioned reinforcing bar, by welding or butting, through row, connect.
In the above-described embodiment, for the stability of upper reinforcement framework 1 and lower rebar framework 2 is more increased, in Fig. 3 and Fig. 5, can find out the square reinforcing bar group 6 that is respectively equipped with the equally distributed reinforcing bar composition that is parallel to each other in upper reinforcement framework 1 and lower rebar framework 2, the centres of the center of described square reinforcing bar group 6 and upper reinforcement framework 1 or lower rebar framework 2, and the diagonal of described square reinforcing bar group 6 is vertical with the base of the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second.Each limit of square reinforcing bar group 6 is positioned at outside the second annulus reinforcing bar group 304 within being positioned at the intersection point of the trapezoidal single leaf 5 head and the tail connections of first trapezoidal single leaf 4 or the second.Square reinforcing bar group 6 by monolateral be that the parallel reinforced steel bar of 7 diameter of phi 28mm forms.
In the above-described embodiment, for the switching performance between the Eight characters reinforcing bar group 502 in second trapezoidal single leaf 5 better, and between can form an integral body, in the Eight characters reinforcing bar group 502 in lower rebar framework 3, between equally distributed reinforcing bar, by isometric reinforcing bar group 504, connect as shown in Figure 5; Isometric reinforcing bar group 504 is evenly arranged in splayed reinforcing bar group 502 and is formed by 23 diameter of phi 16mm.
In the above-described embodiment, in order to connect more firm that annulus reinforcing bar group 305 connects in middle part steel rib component 3, safety, stability is high, between the first oval reinforcing bar group 301 as shown in Figure 6 and the second oval reinforcing bar group 302 or the first annulus reinforcing bar group 303 and the connection annulus reinforcing bar group 305 of the second annulus reinforcing bar group 304, by the longitudinal oval reinforcing bar group vertical with connecting annulus reinforcing bar group 305 cross sections 308, connects.Longitudinal oval reinforcing bar group 308 is by being uniformly distributed around annulus reinforcing bar group 305 rotation and the 56 piece Φ 28mm reinforcing bars vertical with connecting annulus reinforcing bar group 305 cross sections form.
In the above-described embodiment, as the edge of Fig. 2 and the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second as described in Fig. 6 is provided with the four limb muscle groups 7 vertical with the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second, four described limb muscle groups 7 are by the cross reinforcement parallel with the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second and the net structure that forms with longitudinal bar that cross reinforcement intersects vertically, and this net structure is vertical with the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second, longitudinal bar in 7 groups, described four limb muscle equates with the number of steel bars in the trapezoidal reinforcing bar group 403 of the first gradual change or the trapezoidal reinforcing bar group 503 of the second gradual change, and corresponding connection mutually.
In the above-described embodiment, for the stressed more balance of overall structure, manufacture more simply, the shape of the trapezoidal single leaf 5 of first trapezoidal single leaf 4 or the second is isosceles trapezoids as shown in Figure 7,8.
In sum, the invention provides a kind of whole bar construction of blower fan spread footing of land four blade profiles, make full use of the three-dimensional-structure of four blade profiles, bring into play the loading characteristic of four impeller structures, 32 kinds of reasonable disposition are above multi-form, special bending, the whole steel bar stress structure of different-diameter spacing, in the most complicated force part, basis, the excellent square platform pillar build of establishing, configuration level to, vertically, miter angle is oblique, the steel bar stress of the special bending such as hoop, spread footing build is four leaf arrangement forms, whole basis becomes four leaf builds, monolithic concrete structure need be combined into whole force structure with the reinforcing bar matching, reinforcement foundation is arranged by four leaf builds, connect into the as a whole upper load structure of bearing with discharge ring, four blade profile integral reinforced concrete foundation structures, stressed clear and definite, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shortened the integral construction duration, reduced whole investment, further optimized the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it has safe, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footings that bearing capacity of foundation soil is greater than 250MPa.
More than exemplifying is only to illustrate of the present invention, does not form the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention all belongs to protection scope of the present invention.
Claims (8)
1. the whole bar construction of the blower fan spread footing of land four blade profiles, it is characterized in that, comprise upper reinforcement framework, lower rebar framework, the middle part reinforcement frame that connects upper reinforcement framework and lower rebar framework, described upper reinforcement framework and lower rebar framework be arranged in parallel;
Described upper reinforcement framework is comprised of 4 first trapezoidal single leaves that distribute symmetrically around middle part reinforcement frame central point, and first described trapezoidal single leaf joins end to end; The the first rectangle reinforcing bar group consisting of the reinforcing bar that is parallel to each other and evenly arranges between the upper base of described first symmetrical trapezoidal single leaf connects; The inner side of the trapezoidal left and right waist of first described trapezoidal single leaf is provided with and is longitudinally evenly arranged the Eight characters gradual change reinforcing bar group that gradual change reinforcing bar forms, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group be from the Eight characters outwards gradual change reduce, the head of described splayed gradual change reinforcing bar group connects with the upper base of first trapezoidal single leaf, and the afterbody of the splayed gradual change reinforcing bar group in the described afterbody of splayed gradual change reinforcing bar group and first trapezoidal single leaf of the other end of the upper reinforcement framework of first trapezoidal single leaf symmetry connects by reinforcing bar; The inside of first described trapezoidal single leaf is also provided with first trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of the first gradual change of the reinforcing bar composition of evenly arranging;
Described lower rebar member is comprised of 4 second trapezoidal single leaves that distribute symmetrically around middle part reinforcement frame central point, and second described trapezoidal single leaf joins end to end; The the second rectangle reinforcing bar group consisting of reinforcing bar vertical with second trapezoidal single leaf upper base and that evenly arrange between the upper base of described second symmetrical trapezoidal single leaf connects, the inside of described second trapezoidal single leaf is provided with the Eight characters reinforcing bar group with the parallel equally distributed composition that loses no time of second trapezoidal single leaf left and right waist, the head of described Eight characters reinforcing bar group connects with the upper base of second trapezoidal single leaf, and the Eight characters reinforcing bar group afterbody of the other end second trapezoidal single leaf that the afterbody of described Eight characters reinforcing bar group is symmetrical with second trapezoidal single leaf connects by reinforcing bar; The inside of second described trapezoidal single leaf is also provided with second trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of the second gradual change of the reinforcing bar composition of evenly arranging;
Described middle part reinforcement frame, the the first oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group that vertical upper reinforcement framework and lower rebar framework and the reinforcing bar of evenly arranging around central point rotation, consist of, be also provided with in the first described oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group and evenly arrange and vertical sleeve is located at the connection annulus reinforcing bar group of the first oval reinforcing bar group, the second oval reinforcing bar group, the first annulus reinforcing bar group, the second annulus reinforcing bar group; The first described oval reinforcing bar group is positioned at the outside of the second oval reinforcing bar group, described the second annulus reinforcing bar group is positioned at the outside of the first oval reinforcing bar group, the first described annulus reinforcing bar group is positioned at the outside of the second annulus reinforcing bar group, perpendicular straight arranged reinforcing bar in described the first oval reinforcing bar group equates with the quantity of perpendicular straight arranged reinforcing bar in the second oval reinforcing bar group, and the first steel hoop group mutually consisting of reinforcing bar between corresponding reinforcing bar connects; Perpendicular straight arranged reinforcing bar in described the first annulus reinforcing bar group equates with the quantity of perpendicular straight arranged reinforcing bar in the second annulus reinforcing bar group, and the second steel hoop group consisting of reinforcing bar between mutual corresponding reinforcing bar connects.
2. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 1, it is characterized in that, in described upper reinforcement framework and lower rebar framework, be respectively equipped with the square reinforcing bar group that the equally distributed reinforcing bar that is parallel to each other forms, described square reinforcing bar Zu center and the centres of upper reinforcement framework or lower rebar framework, and the diagonal of described square reinforcing bar group is vertical with the base of first trapezoidal single leaf or second trapezoidal single leaf.
3. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 1 and 2, it is characterized in that, each limit of described square reinforcing bar group is positioned at outside the second annulus reinforcing bar group within being positioned at the intersection point that first trapezoidal single leaf or second trapezoidal single leaf connect from beginning to end.
4. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 1, is characterized in that, in the Eight characters reinforcing bar group in described lower rebar framework, between equally distributed reinforcing bar, by isometric reinforcing bar group, connects.
5. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 1, it is characterized in that, between the connection annulus reinforcing bar group in the first described oval reinforcing bar group and the second oval reinforcing bar group or the first annulus reinforcing bar group and the second annulus reinforcing bar group, by the longitudinal oval reinforcing bar group vertical with connecting annulus reinforcing bar group cross section, connect.
6. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 1, it is characterized in that, first described trapezoidal single leaf or the edge of second trapezoidal single leaf are provided with the four limb muscle groups vertical with first trapezoidal single leaf or second trapezoidal single leaf, and four described limb muscle groups are by the cross reinforcement parallel with first trapezoidal single leaf or second trapezoidal single leaf and the net structure that forms with longitudinal bar that cross reinforcement intersects vertically.
7. the whole bar construction of the blower fan spread footing of a kind of land four blade profiles according to claim 6, it is characterized in that, longitudinal bar in four described limb muscle groups equates with the number of steel bars in the trapezoidal reinforcing bar group of the first gradual change or the trapezoidal reinforcing bar group of the second gradual change, and corresponding connection mutually.
8. according to the whole bar construction of the blower fan spread footing of any land four blade profiles described in claim 1 to 6, it is characterized in that, first described trapezoidal single leaf or the shape of second trapezoidal single leaf are isosceles trapezoids.
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| CN201410197495.1A CN103967045B (en) | 2014-05-12 | 2014-05-12 | A kind of overall bar construction of blower fan spread footing of land four blade profiles |
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| US20110061321A1 (en) * | 2006-09-21 | 2011-03-17 | Ahmed Phuly | Fatigue reistant foundation system |
| CN103046575A (en) * | 2013-01-28 | 2013-04-17 | 中国水电顾问集团西北勘测设计研究院 | Land four-leaf-clover-type fan expanded foundation structure |
| CN203307835U (en) * | 2013-05-15 | 2013-11-27 | 北京中水恒信环境科技发展有限公司 | Pre-stress reverse ribbed plate |
| CN203361184U (en) * | 2013-07-31 | 2013-12-25 | 山东电力工程咨询院有限公司 | Tower foundation form of overhead transmission line |
| CN203846526U (en) * | 2014-05-12 | 2014-09-24 | 中国电建集团西北勘测设计研究院有限公司 | Integrated rebar structure of onshore four-blade type spread foundation of fan |
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2014
- 2014-05-12 CN CN201410197495.1A patent/CN103967045B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110061321A1 (en) * | 2006-09-21 | 2011-03-17 | Ahmed Phuly | Fatigue reistant foundation system |
| CN103046575A (en) * | 2013-01-28 | 2013-04-17 | 中国水电顾问集团西北勘测设计研究院 | Land four-leaf-clover-type fan expanded foundation structure |
| CN203307835U (en) * | 2013-05-15 | 2013-11-27 | 北京中水恒信环境科技发展有限公司 | Pre-stress reverse ribbed plate |
| CN203361184U (en) * | 2013-07-31 | 2013-12-25 | 山东电力工程咨询院有限公司 | Tower foundation form of overhead transmission line |
| CN203846526U (en) * | 2014-05-12 | 2014-09-24 | 中国电建集团西北勘测设计研究院有限公司 | Integrated rebar structure of onshore four-blade type spread foundation of fan |
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