CN201794312U - Column foot positioning device for precast concrete column - Google Patents
Column foot positioning device for precast concrete column Download PDFInfo
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- CN201794312U CN201794312U CN2010205461887U CN201020546188U CN201794312U CN 201794312 U CN201794312 U CN 201794312U CN 2010205461887 U CN2010205461887 U CN 2010205461887U CN 201020546188 U CN201020546188 U CN 201020546188U CN 201794312 U CN201794312 U CN 201794312U
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- precast concrete
- steel tenon
- concrete column
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Abstract
The utility model provides a column foot positioning device for a precast concrete column, which comprises a steel tenon and a steel tenon nest, wherein the steel tenon nest is embedded in a positioning pile; the steel tenon is fixed at the bottom of the precast concrete column; the precast concrete column is hoisted and placed in a pile hole formed in the positioning pile; and the steel tenon fixed at the bottom of the precast concrete column is plugged in a hollow cavity formed in the steel tenon nest. The steel tenon nest is embedded on the pile top of the positioning pile when a pile foundation is constructed; and the steel tenon is welded on a column bottom embedded part of the precast concrete column. In the utility model, when installed, the precast concrete column can be vertically hoisted and placed in the pile hole by hoisting equipment and the steel tenon, which is in a cross wedge shape and of which the head is much smaller than the inside diameter of the steel tenon nest, can freely fall into the steel tenon nest. After the steel tenon enters the steel tenon nest, the precast concrete column can still rotate freely, so that is it convenient to adjust the direction of the precast concrete column. After the precast concrete column is arranged in place, concrete can be cast onto the top of the pile hole so as to fix the column foot. It is unnecessary for people to operate in the pile hole in the whole installation process and it is unnecessary to expand the diameter of the pile, so the aim of economy, reasonability, safety and reliability is fulfilled.
Description
Technical field
The utility model is a kind of precast concrete column suspension column locator that is used for urban construction and civilian construction construction, belongs to the innovative technology of precast concrete column suspension column locator.
Background technology
Existing deep development along with Urbanization in China, fully, rationally utilize urban underground space more and more to be subjected to the attention of relevant all circles, the underground excavation degree of depth is more and more dark in urban construction and the civilian construction, and the deep foundation ditch reverse construction is used more and more extensive in urban construction.One of advantage that adopts contrary sequence method is ground, underground can the construction synchronously, and steel work generally also should be adopted in underground steel work, the ground of having adopted.Big for the podium area, the little building of the ground few load of the number of plies, usually adopt reinforced concrete structure can satisfy safety and function of use requirement fully, just adopt steel work will improve maintenance cost in construction costs and the use greatly in order to realize reverse construction, in fact many engineerings abandon using the contrary sequence method scheme owing to being limited by this.The steel column that adopts reinforced concrete prefabricated column (abbreviation precast concrete column) to replace in vertical the support can overcome the above problems well, but the precast concrete column cross-section size is bigger, the people often can't descend in the stake hole suspension column is positioned and fixes, thus precast concrete column suspension column location and fixation problem can solve be the key that can the precast concrete column scheme be promoted.
The utility model content
The purpose of this utility model is to consider the problems referred to above and provides a kind of being convenient to that the suspension column of precast concrete column is positioned and fixes, and it is simple and convenient to construct, the precast concrete column suspension column locator that cost is low.The utility model is reasonable in design, can guarantee the safety of constructing, and is convenient and practical.
The technical solution of the utility model is: precast concrete column suspension column locator of the present utility model, include steel tenon, steel tenon nest, wherein steel tenon nest is embedded on the guide pile, the steel tenon is fixed on the bottom of precast concrete column, precast concrete column is sling and is put into the set stake hole of guide pile, and the steel tenon that is fixed on the precast concrete column bottom inserts in the set hollow cavity of steel tenon nest.
Above-mentioned steel tenon nest is embedded in when pile foundation construction on the stake top of guide pile.
Above-mentioned steel tenon is welded at the bottom of the post of precast concrete column on the built-in fitting.
Above-mentioned steel tenon nest is the drum shape that is provided with hollow cavity.
Above-mentioned steel tenon is welded by two blocks of trapezoidal steel plates, and cross sectional shape is " ten " font, is wedge shape along short transverse.
The maximum outer profile size of the head of above-mentioned steel tenon is littler than the internal diameter of the set hollow cavity of steel tenon nest, and the steel tenon can be fallen in the set hollow cavity of steel tenon nest in free skating, and the steel tenon can be done freely to rotate after entering the set hollow cavity of steel tenon nest.
Above-mentioned steel tenon enters can be done 360 ° behind the set hollow cavity of steel tenon nest and freely rotate.
Leaving concrete at the stake top, hole of guide pile after above-mentioned precast concrete column is accurately located fixes the suspension column of precast concrete column.
The utility model locator is owing to adopt the structure of being made up of steel tenon and steel tenon nest, and steel tenon nest is embedded in the stake top when pile foundation construction, must be accurately in place when pre-buried, and the steel tenon is welded to post before precast concrete column lifts at the bottom of on the built-in fitting.Steel tenon nest is a drum shape, and the steel tenon is welded by two blocks of trapezoidal steel plates, and the plane is " ten " font, is wedge shape along short transverse.By lifting appliance precast concrete column is vertically sling when precast concrete column is installed and put into a hole, because the steel tenon is the cross wedge shape, head is little more a lot of than steel tenon nest internal diameter, but therefore free skating is fallen in the steel tenon nest.Precast concrete column can also freely be rotated after the steel tenon entered steel tenon nest, made things convenient for the orientation of adjustment precast concrete column.Can leave concrete at top, stake hole after precast concrete column is accurately in place fixes suspension column.The whole erection process need not personnel and enters operation in the hole, therefore needn't need to enlarge the stake footpath because of installing, and has reached economical rationality, safe and reliable purpose.The utility model locator can make precast concrete column as the vertical support in the deep foundation ditch reverse construction, make the vertical supporting member type selecting of contrary sequence method wider, and that precast concrete column have rigidity is big, good economy performance, the advantage easy and the superstructure system is complementary is so it is widely used.The utility model is that a kind of design is ingenious, function admirable, convenient and practical precast concrete column suspension column locator.
Description of drawings
Fig. 1 is the vertical view of the utility model steel tenon;
Fig. 2 is the front view of the utility model steel tenon;
Fig. 3 is the vertical view of the utility model steel tenon nest;
Fig. 4 is the front view of the utility model steel tenon nest;
Fig. 5 is the structural representation after the utility model steel tenon and the assembling of steel tenon nest;
Fig. 6 is the utility model steel tenon and the steel tenon nest STRUCTURE DECOMPOSITION figure at work progress;
Fig. 7 is the utility model steel tenon and the structural representation of steel tenon nest after construction is finished.
The specific embodiment
Embodiment:
Structural representation of the present utility model is shown in Fig. 1,2,3,4, precast concrete column suspension column locator of the present utility model, include steel tenon 1, steel tenon nest 2, wherein steel tenon nest 2 is embedded on the guide pile 3, steel tenon 1 is fixed on the bottom of precast concrete column 4, precast concrete column 4 is sling and is put into the set stake hole of guide pile 3, and the steel tenon 1 that is fixed on precast concrete column 4 bottoms inserts in the set hollow cavity of steel tenon nest 2.In addition, the top reserved steel bar 5 of precast concrete column 4 overlaps with the upper post muscle.
In the present embodiment, above-mentioned steel tenon nest 2 is embedded in when pile foundation construction on the stake top of guide pile 3.Above-mentioned steel tenon 1 is welded at the bottom of the post of precast concrete column 4 on the built-in fitting.
In the present embodiment, above-mentioned steel tenon nest 2 is for being provided with the drum shape of hollow cavity.Above-mentioned steel tenon 1 is welded by two blocks of trapezoidal steel plates, and cross sectional shape is " ten " font, is wedge shape along short transverse.
In the present embodiment, the maximum outer profile size of the head of above-mentioned steel tenon 1 is littler than the internal diameter of steel tenon nest 2 set hollow cavities, steel tenon 1 can free skating be fallen in the set hollow cavity of steel tenon nest 2, and steel tenon 1 can be done freely to rotate after entering steel tenon nest 2 set hollow cavities.In the present embodiment, above-mentioned steel tenon 1 enters can be done 360 ° behind the steel tenon nest 2 set hollow cavities and freely rotate.
Leaving concrete at the stake top, hole of guide pile 3 after above-mentioned precast concrete column 4 is accurately located fixes the suspension column of precast concrete column 4.
Application example of the present utility model is as follows: Nanning is good that prosperous square is positioned at welcome guest road, thinkling sound Sector East, Nanning City and Jinhu County road intersection, and about 2.5 ten thousand square metres of the base gross area is formed F3/B3 by the 31 layers of dwelling house high building in Building 4 and 4 layers of commercial podium.The dwelling house high building is provided with conversion layer at the podium roofing, and conversion layer is above to be shear wall structure, and conversion layer is following to be framework-core barrel structure; Podium partly adopts frame construction.About 1.8 ten thousand square metres of podium and basement individual layer area, about 12.6 ten thousand square metres of the gross area.
This project adopts the diaphragm wall reverse construction, and following frame column of high building conversion layer and core tube sleeper have adopted steel core concrete column in conjunction with vertical support of contrary sequence method and the stressed needs of use.The podium part is because area is huge, the superstructure load is little, as adopt steel work will increase construction costs greatly, calculate employing steel work schemes for 400 yuan with every square metre of increase at that time and will increase by 5,040 ten thousand yuan of investments, determined after comprehensive comparative cost and the construction feasibility with precast concrete column still to adopt the cast-in-situ steel reinforced concrete frame construction more than the ground as the basement frame column.Because podium part pillar axle power is less, force request stake footpath 1m～1.2m gets final product, as precast concrete column being placed in the hole, then personnel can't enter suspension column is installed in the hole, need enter as personnel suspension column is installed in the hole, then the stake footpath need be expanded 1.8m～2.0m to, and this will increase infrastructure investment greatly.Use suspension column locator of the present utility model in this project, solved above problem well, personnel need not to enter and suspension column accurately can be located and fix.Save great amount of investment, accelerated construction speed, improved the safety of operating process simultaneously greatly.This project is completed at the beginning of 2007 and is come into operation, and the owner is reflected well.
Claims (8)
1. precast concrete column suspension column locator, it is characterized in that including steel tenon (1), steel tenon nest (2), wherein steel tenon nest (2) is embedded on the guide pile (3), steel tenon (1) is fixed on the bottom of precast concrete column (4), precast concrete column (4) is sling and is put into the set stake hole of guide pile (3), and the steel tenon (1) that is fixed on precast concrete column (4) bottom inserts in the set hollow cavity of steel tenon nest (2).
2. precast concrete column suspension column locator according to claim 1 is characterized in that above-mentioned steel tenon nest (2) is embedded on the stake top of guide pile (3) when pile foundation construction.
3. precast concrete column suspension column locator according to claim 1 is characterized in that above-mentioned steel tenon (1) is welded at the bottom of the post of precast concrete column (4) on the built-in fitting.
4. according to each described precast concrete column suspension column locator of claim 1 to 3, it is characterized in that above-mentioned steel tenon nest (2) is for being provided with the drum shape of hollow cavity.
5. precast concrete column suspension column locator according to claim 4 is characterized in that above-mentioned steel tenon (1) is welded by two blocks of trapezoidal steel plates, and cross sectional shape is " ten " font, is wedge shape along short transverse.
6. precast concrete column suspension column locator according to claim 5, the maximum outer profile size of head that it is characterized in that above-mentioned steel tenon (1) is littler than the internal diameter of the set hollow cavity of steel tenon nest (2), steel tenon (1) can be fallen in the set hollow cavity of steel tenon nest (2) in free skating, and steel tenon (1) can be done freely to rotate after entering the set hollow cavity of steel tenon nest (2).
7. precast concrete column suspension column locator according to claim 6 is characterized in that above-mentioned steel tenon (1) enters can do 360 ° behind the set hollow cavity of steel tenon nest (2) and freely rotate.
8. precast concrete column suspension column locator according to claim 6 is characterized in that leaving concrete at the stake top, hole of guide pile (3) after above-mentioned precast concrete column (4) is accurately located fixes the suspension column of precast concrete column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205461887U CN201794312U (en) | 2010-09-28 | 2010-09-28 | Column foot positioning device for precast concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205461887U CN201794312U (en) | 2010-09-28 | 2010-09-28 | Column foot positioning device for precast concrete column |
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| Publication Number | Publication Date |
|---|---|
| CN201794312U true CN201794312U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205461887U Expired - Lifetime CN201794312U (en) | 2010-09-28 | 2010-09-28 | Column foot positioning device for precast concrete column |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409697A (en) * | 2011-09-15 | 2012-04-11 | 江苏九鼎环球建设科技集团有限公司 | Prefabricated tower and mast structure foundation |
| CN105569183A (en) * | 2015-12-16 | 2016-05-11 | 北京工业大学 | Hollow interlayer steel tube concrete column base joint |
| CN108330956A (en) * | 2018-02-24 | 2018-07-27 | 东莞福瑞来建筑劳务有限责任公司 | A kind of foundation pit fender pile |
| CN108661045A (en) * | 2018-07-20 | 2018-10-16 | 东北大学 | A kind of prefabricated GFRP pipe concretes spliced pile |
| CN112609735A (en) * | 2020-12-17 | 2021-04-06 | 浙江精工钢结构集团有限公司 | Semi-embedded column base positioning and mounting device and construction method thereof |
-
2010
- 2010-09-28 CN CN2010205461887U patent/CN201794312U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409697A (en) * | 2011-09-15 | 2012-04-11 | 江苏九鼎环球建设科技集团有限公司 | Prefabricated tower and mast structure foundation |
| CN105569183A (en) * | 2015-12-16 | 2016-05-11 | 北京工业大学 | Hollow interlayer steel tube concrete column base joint |
| CN105569183B (en) * | 2015-12-16 | 2017-12-15 | 北京工业大学 | Concrete-filled Double Skin Steel Tube Columns pin node |
| CN108330956A (en) * | 2018-02-24 | 2018-07-27 | 东莞福瑞来建筑劳务有限责任公司 | A kind of foundation pit fender pile |
| CN108661045A (en) * | 2018-07-20 | 2018-10-16 | 东北大学 | A kind of prefabricated GFRP pipe concretes spliced pile |
| CN108661045B (en) * | 2018-07-20 | 2023-11-24 | 东北大学 | Precast GFRP pipe concrete spliced pile |
| CN112609735A (en) * | 2020-12-17 | 2021-04-06 | 浙江精工钢结构集团有限公司 | Semi-embedded column base positioning and mounting device and construction method thereof |
| CN112609735B (en) * | 2020-12-17 | 2022-07-22 | 浙江精工钢结构集团有限公司 | Semi-embedded column base positioning and mounting device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |