CN203145034U - Assembled prestress concrete cylindrical column body foundation - Google Patents
Assembled prestress concrete cylindrical column body foundation Download PDFInfo
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- CN203145034U CN203145034U CN 201220697553 CN201220697553U CN203145034U CN 203145034 U CN203145034 U CN 203145034U CN 201220697553 CN201220697553 CN 201220697553 CN 201220697553 U CN201220697553 U CN 201220697553U CN 203145034 U CN203145034 U CN 203145034U
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Abstract
The utility model relates to an assembled prestress concrete cylindrical column body foundation, which is characterized by comprising a prefabricated cylindrical concrete column body, pre-embedded longitudinal sleeves embedded in the prefabricated cylindrical concrete column body in advance, anchor cables penetrating through the pre-embedded longitudinal sleeves and extending to the bottom end of the cylindrical concrete column body, adjusting bolts fixedly connected with a foundation bottom concrete cushion layer, and high-strength concrete servicing functions of leveling and carrying, wherein the top ends of the anchor cables extend out of the prefabricated cylindrical concrete column body and are connected with high-strength concrete leveling template rings, and the bottom ends of the anchor cables are linked with automatic locking devices of pre-embedded fixing bottom rings in the prefabricated cylindrical concrete column body; and back filling concrete is arranged at the periphery of the prefabricated cylindrical concrete column body. The assembled prestress concrete cylindrical column body foundation provided by the utility model is quick in construction speed, good in quality and low in production cost.
Description
Technical field
The utility model belongs to the technical field of towering structure foundation structure in the construction project, relates to a kind of prefabricated PC concrete cylinder type cylinder Base Design method, is applicable to support the fixing of wind-power generating unit tower for example etc.
Background technology
In recent years, China's wind power engineering is built like a raging fire, the foundation structure that supports wind-power generating unit tower adopts spread footing or pile foundation with reference to high-rise structures foundation structure, its method for designing maturation, easy construction, but bear 360 ° of direction reloadings and the stressed particularity of large eccentricity owing to wind-powered electricity generation unit basis has, and along with single-machine capacity increases gradually, the limitation on conventional basis appears gradually:
1, in order to bear blower fan large eccentricity load, basic build constantly increases, and engineering quantity sharply increases;
2, the concrete in mass of finishing for one-time-concreting, construction temperature crack are difficult to control;
3, the foundation construction cycle lengthens.
The utility model content
The utility model purpose provides the prefabricated PC concrete cylinder type cylinder basis that a kind of speed of application is fast, quality good, cost is low.
For achieving the above object, the technical solution of the utility model is: a kind of prefabricated PC concrete cylinder type cylinder basis comprises prefabricated cylinder type concrete column; Be embedded in the pre-buried vertical sleeve pipe in this prefabricated cylinder type concrete column; Pass the anchoring anchor cable that pre-buried vertical sleeve pipe extends to this cylinder type concrete column bottom, its top extends to that prefabricated cylinder type concrete column is external to link to each other with high-strength concrete leveling template ring, and the bottom connects with pre-buried fixedly base ring automatic locking apparatus in this prefabricated cylinder type concrete column; With the adjusting bolt of fixedlying connected in the foundation bottom concrete cushion; This prefabricated cylinder type concrete column periphery arranges fill concrete; Play the high-strength concrete of leveling and carrying effect.
The assembling cylinder type of one hollow space is arranged centered by the described prefabricated cylinder type concrete column, is divided into some sections, every section by the domain or be divided into some tiles carry out prefabricated, filling backfill or concrete in this hollow space.
Described prefabricated cylinder type concrete column should carry out some segmentations according to concrete actual engine request, but every section domain or divide some tile design prefabricated, and corresponding contact is installed should be identified clearly; It is that straight line or bus are curve that precast concrete cylinder type cylinder lateral surface is selected bus according to stressing conditions; Pre-buried vertical sleeve pipe should evenly distribute on the prefabricated cylinder type concrete column per minute section piecemeal, and the sleeve pipe that connects with it should have concentricity preferably.
Described pre-buried vertical sleeve pipe is arranged on the contact portion of anchoring anchor cable and prefabricated cylinder type concrete column; Anchoring anchor cable two ends arrange connector, the top connector vertically stretches out high-strength concrete leveling template ring on the prefabricated cylinder type concrete column, the bottom connector inserts pre-buried fixedly base ring automatic locking apparatus and is fastenedly connected with it, and the anchoring anchor cable is by circumference one circle or two circles.
Described high-strength concrete leveling template ring is the circular ring structure of metal material, and through hole is set on it, and through hole becomes circle-shaped and is evenly arranged on the base ring and corresponding with pre-buried vertical sleeve pipe on the prefabricated cylinder type concrete column column structure.
Described adjusting bolt is that prefabricated cylinder type concrete column is installed planeness adjustment member, and insert in the pre-buried supporting sleeve pipe of prefabricated cylinder type concrete column at its top, is connected with pre-buried backing plate in the foundation bottom concrete cushion.
The utility model has the advantages that: it is to utilize the passive earth pressure of the fill concrete outside, the prestressed concrete cylinder type cylinder basis soil body with the load that opposing top tall and slender structure transmits, and adopts the post tensioning of anchoring anchor cable to make concrete be in preloading condition.Adopt the mode of prefabricate to produce to concrete cylinder type cylinder simultaneously; whole prestressed concrete cylinder type cylinder basis is divided into some sections according to concrete engineering and other requirement; every section domain or be divided into some tiles and carry out prefabricated; large-scale production so in batch; can not only guarantee the requirement of concrete on intensity; can also reduce concrete and steel project, effectively shorten construction period.Adopt the post tensioning of anchoring anchor cable to make concrete be in preloading condition, the cylinder type concrete column is carried out the segmentation precast block, can also effectively reduce concrete and steel project, and construction is quick, can shorten construction period effectively, the foundation structure supporting effect is better.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is prefabricated PC concrete cylinder type cylinder basic schematic (vertical profile);
Fig. 2 is prefabricated PC concrete cylinder type cylinder basic schematic (cross-sectional);
Fig. 3 A is precast concrete cylinder type pole section piecemeal schematic diagram of the present invention, and its concrete block count should determine that this schematic diagram only does for example signal according to actual engine request;
Fig. 3 B is precast concrete cylinder type pole section piecemeal schematic diagram of the present invention, and its concrete block count should determine that this schematic diagram only does for example signal according to actual engine request;
Fig. 3 C is precast concrete cylinder type pole section piecemeal schematic diagram of the present invention, and its concrete block count should determine that this schematic diagram only does for example signal according to actual engine request.
Among the figure: 1, prefabricated cylinder type concrete column; 2, pre-buried vertical sleeve pipe; 3, anchoring anchor cable; 4, high-strength concrete leveling template ring; 5, regulate bolt; 6, pre-buried fixedly base ring; 7, foundation bottom concrete cushion; 8, fill concrete; 9, high-strength concrete; 10, backfill or concrete.
The specific embodiment
As accompanying drawing 1, shown in Figure 2, a kind of prefabricated PC concrete cylinder type cylinder basis, it is to form cylinder type cylinder basis by assembling precast concrete cylinder type cylinder, make concrete be in preloading condition by the post tensioning of anchoring anchor cable again, utilize the passive earth pressure of the fill concrete outside, the prestressed concrete cylinder type cylinder basis soil body after assembling is finished to resist the load that the top tall and slender structure transmits.
Assembling precast concrete cylinder type cylinder comprises prefabricated cylinder type concrete column 1; Be embedded in the pre-buried vertical sleeve pipe 2 in this prefabricated cylinder type concrete column 1; Pass the anchoring anchor cable 3 that pre-buried vertical sleeve pipe 2 extends to this prefabricated cylinder type concrete column 1 bottom, its top extends to outside the prefabricated cylinder type concrete column 1 and links to each other with high-strength concrete leveling template ring 4, and the bottom connects with pre-buried fixedly base ring 6 automatic locking apparatus in this prefabricated cylinder type concrete column 1; Fixedly connected with the adjusting bolt 5 in the foundation bottom concrete cushion 7; This prefabricated cylinder type concrete column periphery arranges fills fill concrete 8; Play the high-strength concrete 9 of leveling and carrying effect.
The assembling cylinder type that one hollow space is arranged centered by the prefabricated cylinder type concrete column 1, be divided into some sections, every section by the A among domain Fig. 3 or be divided into some tiles and carry out prefabricated (B among Fig. 3, C), but filling backfill or concrete in this hollow space.
Prefabricated cylinder type concrete column 1 should carry out some segmentations according to concrete actual engine request, but every section domain or divide some tile design prefabricated, and corresponding contact is installed should be identified clearly; It is that straight line or bus are curve that precast concrete cylinder type cylinder lateral surface is selected bus according to stressing conditions; Pre-buried vertical sleeve pipe 2 should evenly distribute on the prefabricated cylinder type concrete column 1 per minute section piecemeal, and the sleeve pipe that connects with it should have concentricity preferably.
Pre-buried vertical sleeve pipe 2 is arranged on the contact portion of anchoring anchor cable 3 and prefabricated cylinder type concrete column 1; Anchoring anchor cable 3 two ends arrange connector, the top connector vertically stretches out high-strength concrete leveling template ring 4 on the prefabricated cylinder type concrete column 1, the bottom connector inserts pre-buried fixedly base ring 6 automatic locking apparatus and is fastenedly connected with it, and anchoring anchor cable 3 is by circumference one circle or two circles.
High-strength concrete leveling template ring 4 is circular ring structures of metal material, and through hole is set on it, and through hole becomes circle-shaped and is evenly arranged on the base ring and corresponding with pre-buried vertical sleeve pipe 2 on prefabricated cylinder type concrete column 1 column structure.
Regulate bolt 5 and be prefabricated cylinder type concrete column 1 and planeness is installed adjusts member, insert in the pre-buried supporting sleeve pipe of prefabricated cylinder type concrete column 1 at its top, is connected with foundation bottom concrete cushion 7 interior pre-buried backing plates.
Concrete steps of the present utility model are:
At first build blinding concrete, bury backing plate underground;
Then 1 first segmentation (bottommost) of prefabricated prefabricated cylinder type concrete column is carried out dress just, carried out leveling by bottom balance adjustment bolt 5; After the leveling concrete backfill is carried out in periphery, first segmentation concrete cylinder type cylinder basis;
Continue to carry out coaxial splicing to remaining each segmentation successively after waiting to satisfy requirement of strength, the concentricity that should guarantee each segmentation simultaneously is installed;
Anchoring anchor cable 3 passed in the special anchor head that the vertical sleeve pipe 2 that is embedded in advance in the prefabricated cylinder type concrete column 1 inserts pre-buried fixedly base ring 6 be connected with it; The top is stretched out outside the prefabricated cylinder type concrete column 1 and is linked to each other with high-strength concrete leveling template ring 4;
After high-strength concrete leveling template ring 4 pressed the precision prescribed leveling of blower fan factory, carry out high-strength concrete and build, treat that the high-strength concrete intensity back that meets the demands removes basic high-strength concrete leveling template ring 4;
Carry out outside backfill in the prefabricated cylinder type concrete column 1 at last.
Prefabricated PC concrete cylinder type (wind power generating set) the cylinder basis that this example provides, can take full advantage of the passive earth pressure of the prestressed concrete cylinder type cylinder basis side direction soil body after assembling is finished with the load that opposing top tall and slender structure transmits, adopt the post tensioning of anchoring anchor cable to make concrete be in preloading condition.Adopt the mode of prefabricate to produce to concrete cylinder type cylinder simultaneously; the round cylinder of whole prestressed concrete basis is divided into some sections according to concrete engineering and other requirement; every section domain or be divided into some tiles and carry out prefabricated; large-scale production so in batch; can not only guarantee the requirement of concrete on intensity; can also reduce concrete and steel project, shorten construction period, and the foundation structure supporting effect be better.
The parts that present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (6)
1. a prefabricated PC concrete cylinder type cylinder basis is characterized in that: comprise prefabricated cylinder type concrete column (1); Be embedded in the pre-buried vertical sleeve pipe (2) in this prefabricated cylinder type concrete column (1); Pass the anchoring anchor cable (3) that pre-buried vertical sleeve pipe (2) extends to this cylinder type concrete column (1) bottom, its top extends to outside the prefabricated cylinder type concrete column (1) and links to each other with high-strength concrete leveling template ring (4), and the bottom connects with pre-buried fixedly base ring (6) automatic locking apparatus in this prefabricated cylinder type concrete column (1); With the adjusting bolt (5) of fixedlying connected in the foundation bottom concrete cushion (7); This prefabricated cylinder type concrete column periphery arranges fill concrete (8); Play the high-strength concrete (9) of leveling and carrying effect.
2. a kind of prefabricated PC concrete cylinder type cylinder according to claim 1 basis, it is characterized in that: the assembling cylinder type that a hollow space is arranged centered by the described prefabricated cylinder type concrete column (1), be divided into some sections, every section by the domain or be divided into some tiles carry out prefabricated, filling backfill or concrete in this hollow space.
3. a kind of prefabricated PC concrete cylinder type cylinder according to claim 1 basis, it is characterized in that: pre-buried vertical sleeve pipe (2) evenly distributes on described prefabricated cylinder type concrete column (1) the per minute section piecemeal, and the sleeve pipe that connects with it should have concentricity preferably.
4. a kind of prefabricated PC concrete cylinder type cylinder according to claim 1 basis, it is characterized in that: described pre-buried vertical sleeve pipe (2) is arranged on the contact portion of anchoring anchor cable (3) and prefabricated cylinder type concrete column (1); Anchoring anchor cable (3) two ends arrange connector, the top connector vertically stretches out prefabricated cylinder type concrete column (1) and goes up high-strength concrete leveling template ring (4), the bottom connector inserts pre-buried fixedly base ring (6) automatic locking apparatus and is fastenedly connected with it, and anchoring anchor cable (3) is by circumference one circle or two circles.
5. a kind of prefabricated PC concrete cylinder type cylinder according to claim 1 basis, it is characterized in that: described high-strength concrete leveling template ring (4) is the circular ring structure of metal material, through hole is set on it, and through hole becomes circle-shaped and is evenly arranged on the base ring and corresponding with pre-buried vertical sleeve pipe (2) on prefabricated cylinder type concrete column (1) column structure.
6. a kind of prefabricated PC concrete cylinder type cylinder according to claim 1 basis, it is characterized in that: described adjusting bolt (5) is installed planeness for prefabricated cylinder type concrete column (1) and is adjusted member, insert in the pre-buried supporting sleeve pipe of prefabricated cylinder type concrete column (1) at its top, is connected with pre-buried backing plate in the foundation bottom concrete cushion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697553 CN203145034U (en) | 2012-12-17 | 2012-12-17 | Assembled prestress concrete cylindrical column body foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697553 CN203145034U (en) | 2012-12-17 | 2012-12-17 | Assembled prestress concrete cylindrical column body foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145034U true CN203145034U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220697553 Expired - Lifetime CN203145034U (en) | 2012-12-17 | 2012-12-17 | Assembled prestress concrete cylindrical column body foundation |
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| CN (1) | CN203145034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397637A (en) * | 2013-08-27 | 2013-11-20 | 二十二冶集团第一建设有限公司 | Pre-embedding method of grouting sleeve under raft foundation |
| CN104294753A (en) * | 2014-09-06 | 2015-01-21 | 安徽省交通建设有限责任公司 | Bridge prefabricated hollow pier stud connecting structure and construction method thereof |
-
2012
- 2012-12-17 CN CN 201220697553 patent/CN203145034U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397637A (en) * | 2013-08-27 | 2013-11-20 | 二十二冶集团第一建设有限公司 | Pre-embedding method of grouting sleeve under raft foundation |
| CN103397637B (en) * | 2013-08-27 | 2015-07-08 | 二十二冶集团第一建设有限公司 | Pre-embedding method of grouting sleeve under raft foundation |
| CN104294753A (en) * | 2014-09-06 | 2015-01-21 | 安徽省交通建设有限责任公司 | Bridge prefabricated hollow pier stud connecting structure and construction method thereof |
| CN104294753B (en) * | 2014-09-06 | 2016-05-04 | 安徽省交通建设有限责任公司 | A kind of hollow pier stud syndeton of bridge prefabrication and construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HYDROCHINA XIBEI ENGINEERING CORPORATION Free format text: FORMER NAME: NORTHWEST HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER ENGINEERING CONSULTING Owner name: CHINA ELECTRIC POWER CONSTRUCTION GROUP NORTHWEST Free format text: FORMER NAME: HYDROCHINA XIBEI ENGINEERING CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee after: POWERCHINA NORTHWEST ENGINEERING Co.,Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee before: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee after: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Patentee before: Northwest Hydro Consulting Engineers, CHECC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |