CN203188674U - Prestressing force reinforced concrete combined type tower column structure - Google Patents
Prestressing force reinforced concrete combined type tower column structure Download PDFInfo
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- CN203188674U CN203188674U CN 201320099058 CN201320099058U CN203188674U CN 203188674 U CN203188674 U CN 203188674U CN 201320099058 CN201320099058 CN 201320099058 CN 201320099058 U CN201320099058 U CN 201320099058U CN 203188674 U CN203188674 U CN 203188674U
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- tower column
- prestressing force
- combined type
- reinforced concrete
- column structure
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Abstract
The utility model discloses a prestressing force reinforced concrete combined type tower column structure. A tower column is formed by single construction member bodies in an assembled mode, each single construction member body is formed by an inner layer corrugated steel plate and an outer layer corrugated steel plate in a symmetrical buckling mode, a plurality of cavity column bodies are formed by the inner layer corrugated steel plates and the outer layer corrugated steel plates, reinforcing steel bars are arranged in the cavity column bodies, and the cavity column bodies are filled with concrete The prestressing force reinforced concrete combined type tower column structure has the advantages that the tower column can be spliced and installed in a multi-sheet and multi-joint mode, the whole tower column can also be prefabricated in a plant, or the corrugated steel plates can be prefabricated after being transported to the site, construction can be conveniently and simply carried out, the construction period is short, using quantity of steel of the tower column is reduced, and cost is greatly saved. The advantages of the finish rolling prestressed reinforcing steel bars, the corrugated steel plates and the concrete are sufficiently used, the finish rolling prestressed reinforcing steel bars, the corrugated steel plates and the concrete tactfully affect each other, the cross section is reduced compared with the cross section of a same-stage concrete type structure, materials are saved, the linearity is attractive, elastic deflection and swinging of the tower column are reduced or largely eliminated, and resistance to capsizing of a tower support is strengthened.
Description
Technical field
The utility model relates to a kind of tower column structure, relates in particular to a kind of prestressing force steel reinforced concrete combined type tower column structure of wind-power electricity generation and building field.
Background technology
At present, the large-scale king-post of field of wind power generation, major part is to adopt roll of steel plate to make the cylindrical shape king-post, in order to resist the top-down moment of tall and slender structure, often needs the very big steel plate of thickness, causes that rolled steel dosage is big, cost investment is high; Secondly, the cylinder of making king-post is all-in-one-piece, and diameter is bigger, is generally 3 meters to 5 meters, and transportation this moment difficulty and cost of transportation are very high; In addition, king-post does not pass through autofrettage, and when running into high wind, the king-post top is easy to generate bigger deflection and rocks under the effect of wind-force; Moreover the king-post of big molded dimension also has the structure that adopts the steel concrete formula, and this structure is quite heavy, and not only construction cast difficulty is big, and therefore long construction period, and can not realize suitability for industrialized production invests to build cost and management cost is all quite high.
The utility model content
The utility model purpose: the purpose of this utility model provides and a kind ofly can reduce steel and concrete use amount, cat head do not produce deflection substantially and rock and assemble prestressing force steel reinforced concrete combined type tower column structure flexible, convenient transport.
Technical scheme: prestressing force steel reinforced concrete combined type tower column structure described in the utility model, assembled by single member body, described single member body is fastened by internal layer corrugated steel and outer corrugated steel symmetry, the inside and outside two-layer corrugated steel that symmetry is closed behind the button forms several cavity cylinders, and reinforcing bar and fill concrete are set therein.The length of described corrugated steel can customize as requested, if traffic condition allows, length is generally greater than 20 meters.Described inside and outside two-layer corrugated steel adopts high-intensity corrosion resistance bolt to connect.Two or the many vertical finish rolling deformed bars that run through the whole cavity body that have sheath are set in each cavity cylinder, and its length is generally greater than 20 meters.Fill label and be greater than or equal to the concrete of C40 in each cavity, for preventing corrugated steel wooden partition and concrete unsticking, concrete should adopt slightly expanded concrete, treats that concrete is full of and has respective strengths post tensioning finish rolling deformed bar and an anchoring.
Because the constraint of corrugated steel and the prestressing force of finish rolling deformed bar, make concrete after the filling be in the high strength stable state of X, Y, Z three dimension stress, and the corrugated steel of both sides play longitudinal reinforcement, laterally cuff and three effects of construction formwork simultaneously; And steel plate itself has just had great second moment of area after forming bellows-shaped, and anti-column unstability performance is greatly improved, and high strength connecting bolt and fill concrete, waveform flexing and the unstability of the corrugated sheet that limits simultaneously again; Like this, the corrugated steel combining structure that the cavity cylinder forms behind fill concrete has just had very strong anti-column unstability ability, thereby has just made the prestressing force corrugated steel concrete component (being called for short single member body) of single-piece.
The tangent plane of described single member body is plane or circular shape, and the bolted mode of a plurality of single member body and functions is vertically formed towering cylinder king-post or the polygon tubular king-post of a joint, and this moment, the vertical ripple of corrugated steel was consistent with the short transverse of king-post.In order to improve the second moment of area of king-post body, when the single-unit king-post surpasses certain value, the relatively shorter steel cylinder of a joint (height is greater than 1000mm) can be set in the centre position.This cylinder can be the ripple steel cylinder (quantity of ripple should be not less than 4 ripples) that has transverse wave, also can be the cylinder that plain plate rolls.This position with the contact of king-post body all is connected with bolt.
Be the intensity and stability that guarantee structure, structure also must satisfy following the requirement:
1, corrugated steel is to concrete effect of restraint COEFFICIENT K
yCan not be less than 0.6:
2, cross section steel ratio ρ
cShould be between 0.03～0.08:
ρ
c=A
s/A
c
3, concrete thick wide ratio should be between 0.8～1.6.
In the following formula: A
SThe section area of-steel plate, A
C-concrete section area, f
s-steel plate yield strength value, f
Cd-concrete crushing strength value.
Beneficial effect: the utility model compared with prior art, its advantage assembles for this tower column structure adopts the prestressing force corrugated steel concrete component of single-piece, can multi-disc, the more piece assembly unit, also can all be prefabricated in the factory, it is prefabricated perhaps corrugated cardboard sheet to be transported to on-the-spot back, easy construction is simple, short construction period, has reduced the king-post rolled steel dosage, has saved cost greatly.Steel plate itself has great second moment of area after forming bellows-shaped, improved the anti-column unstability ability of steel plate, simultaneously, but the corrugated cardboard sheet standardized production, be beneficial to the production and processing of production line formula and the preservative treatment of production line formula, reduce manufacturing cost greatly, in addition, the stackable transportation of corrugated cardboard sheet, it is little to take up room, improved capacity and freight volume greatly, lowered cost of transportation, and solved long-distance transport or remote districts or the road conditions that transfinite have been arranged to the transport restrictions of super large spare goods and materials.In the cavity that two-layer corrugated sheet forms, fill plain concrete, reduced concrete amount, saved cost, and do not needed numerous and diverse assembling reinforcement operation, reduction of erection time.Take full advantage of finish rolling prestressed reinforcement, corrugated steel and concrete advantage, and the three is interacted dexterously.Reduce than concrete type structural section at the same level, economical with materials is linear attractive in appearance.Reduced or major part eliminated king-post elastic deflection and rock, strengthened the pylon resistance to capsizing.Can change the waveform of corrugated sheet according to different king-post requirement for height, thereby change the section area of the mixed earth of king-post, can make the ultra-large type king-post like this, but the steel increase seldom.King-post is more high, and economy is more good.Can use with the cylindrical column column combination of common individual layer steel plate, use common pylon on king-post top, this steel reinforced concrete composite construction king-post is used in the bottom, and structure can be handled flexibly.
Description of drawings
Fig. 1 is the structural representation of the utility model list member body;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 a, 3b, 3c are the B-B sectional view of Fig. 1;
Fig. 4 is the assembling schematic diagram of the utility model list member body;
Fig. 5 is the C node enlarged drawing of Fig. 4;
Fig. 6 is the D node enlarged drawing of Fig. 4;
Fig. 7 is the H-H sectional view of Fig. 4;
Fig. 8 is the E-E sectional view of Fig. 4;
Fig. 9 is the G-G sectional view of Fig. 8;
Figure 10 is the F node enlarged drawing of Fig. 8;
Figure 11 is the vertical connection layout of the utility model list member body;
Figure 12 is the structural representation of the utility model corrugated steel;
Figure 13 a, 13b, 13c are the waveform schematic diagram of the utility model corrugated steel.
The specific embodiment:
As shown in figure 12, steel plate being processed into the steel plate with a plurality of vertical ripples in advance is corrugated steel.Shown in Figure 13 a, 13b, the 13c, the waveform of this corrugated steel can be continuous sine bellows for another example, also can be discontinuous special-shaped ripple, for example semicircle arch, low arch, box etc.Shown in Fig. 1-11, will be processed into the inside and outside two-layer make-up assembly unit of standard compliant corrugated steel for another example, the contact portion of two-layer corrugated steel connects with high-intensity corrosion-resistant bolt 5, and it is high-strength corrosion-resisting galvanizing bolt, and the galvanizing amount is greater than 350g/m
2, strength grade is more than or equal to 8.8 grades, and according to actual needs, the contact portion of two-layer corrugated steel can connect with one or more corrosion-resistant bolts 5, shown in Fig. 3 a, 3b, 3c.In order to satisfy corrugated steel certain radian is arranged, can side be set in two-layer corrugated steel contact portion and connect bending plate 13, this bending plate material is identical with corrugated steel, side is connected bending plate 13 again and connects by bolt 5 together with corrugated steel.Between two-layer corrugated steel, form several cavity cylinders like this, the thickness of cavity cylinder generally will surpass 500mm, be that two-layer corrugated steel wave crest is to the distance of wave crest, it also is the twice of corrugated steel wave height, the pitch of waves of ripple generally is greater than 600mm, used steel plate materials is Q345 or higher level hot rolled steel plate, and steel plate will carry out the preservative treatment of galvanizing by dipping in its surface behind the processing waveform.In the cavity cylinder, put into the finish rolling deformed bar 3 of band sheath 9, it is indented bars for prestressed concrete, be that a kind of special shape has discontinuous externally threaded vertical bar reinforcing bar, this reinforcing bar is at any section, all can with the connector that has internal thread or ground tackle connects or anchoring, this reinforcing bar also can adopt the just screwed high-strength screw rod at two ends that reaches technical requirements, its diameter is generally greater than 40mm, its tensile strength should be greater than 830Mpa, yield strength should be greater than 730Mpa, and this reinforcing bar connects by the special-purpose attaching nut 12 of finish rolling reinforcing bar.Sheath 9 is the helical ripple pipe of PVC material or metal material.Simultaneously build plain concrete 4 in the cavity cylinder, it is the concrete with individual features, has the slump and intensity that suitable the utility model is realized, and label should be more than C40.When treating that concrete has respective strengths, the lifting and with basis and adjacent plate connection first segment tower body, the tower body bottom is connected with ground by basic flange 11, finish rolling deformed bar in the stretch-draw first segment tower body and Different Diameter adpting flange 6 is installed then, when bolt hole place anchoring finish rolling deformed bar 3, itself also together is anchored at first segment tower body top to adpting flange 6 by finish rolling deformed bar nut 10.After perhaps the assembly unit of ectonexine corrugated cardboard sheet being finished, lifting also is connected with basis and adjacent plate, puts into the finish rolling deformed bar 3 of being with sheath 9 in the ripple cavity, and fixedly the after-pouring plain concrete 4.In the corrugated steel tube, be provided with liner 7.When second joint or the installation of other towers joint, by bolt hole the finish rolling deformed bar 3 in the second joint tower body is fixed on on footpath adpting flange 8 or the Different Diameter adpting flange 6, and fixing second layer tower body corrugated steel according to this, determine the second joint tower body position accurate after-pouring second layer tower body concrete 4, treat that concrete 4 has respective strengths post tensioning finish rolling deformed bar 3.The residue tower body is installed successively.Described flange material is Q345 or higher level material, solid forging machine-shaping.After so tower column structure is finished, the wall portion tensile strength of tower body, mainly born by finish rolling deformed bar, and the load on the compressive strength of tower body and top, mainly born by concrete, secondly the stressed corrugated steel wooden partition that is only, thereby significantly reduced the steel plate consumption, connect the high-strength bolt of two-layer corrugated steel and the waveform unstability that the concrete after the filling has limited corrugated steel again simultaneously simultaneously, also reduced the thickness of corrugated steel, saved steel, and, because the shroud ring effect of two-layer corrugated steel, limited the unstability of the vertical cylinder of concrete, significantly reduced concrete consumption, owing to adopted autofrettage, the deflection major part of rocking of tower top disappears simultaneously.
Claims (11)
1. prestressing force steel reinforced concrete combined type tower column structure, it is characterized in that: assembled by single member body, described single member body is fastened by internal layer corrugated steel (1) and outer corrugated steel (2) symmetry, inside and outside two-layer corrugated steel forms several cavity cylinders, reinforcing bar (3) is set therein, and fill concrete (4).
2. prestressing force steel reinforced concrete combined type tower column structure according to claim 1 is characterized in that: the connection of described inside and outside two-layer corrugated steel employing corrosion resistance bolt.
3. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, its characteristics are: the ripple of described corrugated steel is vertical ripple.
4. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, it is characterized in that: described corrugated steel is selected the hot rolled steel plate of Q345 or higher level for use.
5. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, it is characterized in that: described reinforcing bar (3) has sheath.
6. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, it is characterized in that: the label of described concrete (4) is greater than or equal to C40.
7. prestressing force steel reinforced concrete combined type tower column structure according to claim 1 is characterized in that: described concrete (4) employing slightly expanded concrete.
8. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, it is characterized in that: the tangent plane of described single member body is plane or circular shape.
9. prestressing force steel reinforced concrete combined type tower column structure according to claim 1, it is characterized in that: described single member body vertically is assembled into cylinder or polygon tubular king-post.
10. prestressing force steel reinforced concrete combined type tower column structure according to claim 9 is characterized in that: a joint steel cylinder is set in the centre position of described king-post.
11. prestressing force steel reinforced concrete combined type tower column structure according to claim 10 is characterized in that: described cylinder is the ripple steel cylinder that has transverse wave, the perhaps cylinder that rolls for plain plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099058 CN203188674U (en) | 2013-03-05 | 2013-03-05 | Prestressing force reinforced concrete combined type tower column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099058 CN203188674U (en) | 2013-03-05 | 2013-03-05 | Prestressing force reinforced concrete combined type tower column structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203188674U true CN203188674U (en) | 2013-09-11 |
Family
ID=49105541
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320099058 Expired - Fee Related CN203188674U (en) | 2013-03-05 | 2013-03-05 | Prestressing force reinforced concrete combined type tower column structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161349A (en) * | 2013-03-05 | 2013-06-19 | 南京联众建设工程技术有限公司 | Prestressing steel and concrete combined type tower pillar structure |
-
2013
- 2013-03-05 CN CN 201320099058 patent/CN203188674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161349A (en) * | 2013-03-05 | 2013-06-19 | 南京联众建设工程技术有限公司 | Prestressing steel and concrete combined type tower pillar structure |
| CN103161349B (en) * | 2013-03-05 | 2015-07-29 | 南京联众建设工程技术有限公司 | Prestressing force steel reinforced concrete combined tower rod structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |