CN103161262B - A kind of construction method of steel pipe column and suspension column structure used - Google Patents
A kind of construction method of steel pipe column and suspension column structure used Download PDFInfo
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- CN103161262B CN103161262B CN201110426847.2A CN201110426847A CN103161262B CN 103161262 B CN103161262 B CN 103161262B CN 201110426847 A CN201110426847 A CN 201110426847A CN 103161262 B CN103161262 B CN 103161262B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a kind of construction method of steel pipe column and suspension column structure used.Its method is constructed according to the following steps: 1., build suspension column fist stage concrete basis, and reserved second stage concrete suspension column groove; 2., cast-in fixing bolt and reinforcing bar in suspension column groove; 3., after the concrete setting of pre-buried pedestal anchor bolt and suspension column reinforcing bar, steel pipe column is lifted on suspension column groove fastening; 4., suspension column groove and first phase base surface are filled and led up; 5., fill concrete in suspension column pipe or/and in shaft.The present invention cancels Steel Pipe Column foot head end socket base plate, makes heel foundation steel bar stress extend upwardly in suspension column concrete, forms the rigid joint of suspension column steel work and reinforcement foundation concrete structure coaction.Simple structure of the present invention, easy construction, power transmission clearly, can overcome the limitation that steel pipe column uses.
Description
Technical field
the present invention relates to the construction method of a kind of steel pipe column (containing concrete filled steel tube coupled column) and suspension column structure used, belong to the technical field of construction of building iron tubing string.
Background technology
steel pipe column (containing concrete filled steel tube coupled column) is widely applied in industry and civilian construction industry, bridge industry, also applies to some extent in Bent Frame on Powerhouse of Hydropower Station structure.Steel pipe column is the bearing column got up with steel-pipe welding, generally steel pipe column is divided into shaft and suspension column two parts, and bottom steel pipe column, 1 ~ 2 meter is called suspension column with lower part, and 1 ~ 2 meter is called shaft with upper part.At present, the form that steel pipe column has just connect suspension column mainly contains exposed suspension column, outer-enwraped type suspension column and embedded column base three kinds.Above-mentioned three kinds of forms all require that heel foundation circumferential concrete sectional dimension is larger than suspension column cross section, and latter two form also requires that the degree of depth of suspension column external wrapping concrete is not less than 2 ~ 2.5 times of column section height or diameter.So, when steel pipe column shaft and/or suspension column cross section are comparatively large, and when heel foundation concrete size affects the layout needs that cannot meet conventional suspension column form by a variety of causes, often limit the use of steel pipe column.And, current specifications not yet contains the rectangle steel design of string pipe of bearing dynamic load, as large medium-size station main building bent columns, because large-tonnage (often 100 tonnes even hundreds of tonne) the motor-driven load of bridge need be born, greatly stressed, require that bent columns sectional dimension is large, and bent columns is generally arranged on main building upstream and downstream wall top, if upstream and downstream wall thickness has been determined and when can not meet the layout needs of conventional steel tubular column base form, has often been limited the possibility that bent columns uses steel pipe column structure.
Summary of the invention
the object of the invention is to, a kind of construction method of steel pipe column and suspension column structure used are provided.Be applicable to use when the size-constrained system of heel foundation concrete cannot meet the construction of conventional steel tubular column base, thus overcome the limitation of steel pipe column use.
technical scheme of the present invention
a construction method for steel pipe column, construct according to the following steps:
1. suspension column fist stage concrete basis, is first built; Reserved second stage concrete suspension column groove in the end face following certain limit of fist stage concrete basis, the shape of suspension column groove is corresponding with suspension column junction plate outer rim, the width dimensions that suspension column groove has at least two sides to be greater than suspension column pipe to add junction plate;
2., in second stage concrete suspension column groove cast-in fixing bolt and reinforcing bar, embedded bar anchors at least one anchorage length downwards from first phase base surface, and exposes at least one anchorage length of first phase base surface; Not etc., interval is not arranged for the length of exposed portion; Anchorage length is determined according to existing Design Code of Reinforced Concrete.
3., after the concrete setting of pre-buried pedestal anchor bolt and suspension column reinforcing bar, steel pipe column is lifted on suspension column groove, with nut by the junction plate on steel pipe column suspension column and pedestal anchor bolt fastening;
4., with identical with fist stage concrete strength grade or higher leveled concrete backfill suspension column groove, make it concordant with first phase base surface, in clamp nut Transducers Embedded in Concrete;
5., last according to structural calculation needs, at steel pipe column shaft, suspension column or only fill concrete in suspension column.
in the construction method of aforementioned steel pipe column, described step 1. in fist stage concrete basis end face below 40 ~ 100cm place reserve second stage concrete suspension column groove.
in the construction method of aforementioned steel pipe column, described step 3. in steel pipe column can first suspension column be lifted on suspension column groove, and then by shaft lifting get up to be connected with suspension column, carry out segmental hoisting; Also integral hoisting after can first shaft and suspension column being connected.
suspension column structure used in the construction method of aforementioned steel pipe column, comprises shaft, and the bottom of shaft is provided with suspension column; Shaft is pipe or rectangular tube; Suspension column comprises suspension column pipe, and suspension column pipe is the tubulose corresponding with shaft shape; Outer wall bottom suspension column pipe is provided with junction plate, is provided with one group and strengthens gusset between junction plate and suspension column pipe outer wall; Junction plate is provided with one group of connecting hole; Be provided with in suspension column pipe horizontal arrangement one group of lacing wire and along the vertically arranged one group of gusset of suspension column inside pipe wall; Vertically arranged one group of steel bar stress and one group of post core reinforcing bar is provided with in suspension column pipe.
in aforesaid suspension column structure, when the cross section of described suspension column pipe is rectangle, the outer wall bottom two limits of at least rectangle suspension column pipe is provided with junction plate; Article two, limit is adjacent side or opposite side.
in aforesaid suspension column structure, described one group adds lacing wire along suspension column pipe short transverse layering setting, and lacing wire is horizontally disposed with along the length direction of rectangle suspension column pipe.
in aforesaid suspension column structure, described lacing wire adopts shaped steel, steel plate or reinforcing bar, and lacing wire is welded with for suspension column inside pipe wall.
in aforesaid suspension column structure, described one group of gusset adopts steel plate, according to structural calculation needs, arranges along rectangle suspension column inside pipe wall.
in aforesaid suspension column structure, when the cross section of described suspension column pipe is pipe, the shape of junction plate is annular or the arbitrarily angled flat being greater than 90 degree.
in aforesaid suspension column structure, described one group add lacing wire along the layering of suspension column pipe short transverse arrange, between adjacent lacing wire each other 90 degree be horizontally disposed with.
compared with prior art, the present invention cancels Steel Pipe Column foot head end socket base plate in design, makes heel foundation embedded bar extend upwardly in suspension column concrete, forms the rigid joint of suspension column steel work and reinforcement foundation concrete structure coaction.
simultaneously, heel foundation concrete plane size of the present invention only needs any both sides larger than steel pipe column sectional dimension (prior art requires that heel foundation surrounding is larger than steel pipe column cross section), plate is welded to connect by both sides any outside steel pipe column cross section, pedestal anchor bolt is adopted to be connected with concrete foundation under post, ensure the fixing of void column pin before the in place and non-fluid concrete of construction period suspension column of steel pipe column in-site installation, overcome the limitation that when heel foundation concrete cannot strengthen to meet existing suspension column technical arrangement needs because affecting by a variety of causes, steel pipe column uses, the steel pipe column that this situation is equally applicable on structural joint both sides is arranged.
and the degree of depth in steel pipe column suspension column buried foundation concrete of the present invention is more shallow, general needs 40 ~ 100cm.And the degree of depth that prior art has just connect suspension column external wrapping concrete is generally not less than 1.5 ~ 2.5 times of column section height or diameter, when steel pipe column depth of section or diameter larger time, the degree of depth of corresponding requirements suspension column external wrapping concrete is very dark, the advantage more highlight saving steel of the present invention, reducing costs.
the power station that the present invention bears 250/50t single crab bridge crane load at certain obtains embody rule and checking.The main building bent columns in this power station adopts rectangular steel-tube concrete column structure, lower column section 1.1m × 2.2m(is wide × high), heel foundation is the continuous body of wall of main building upstream and downstream, be 2.6m along column section short transverse thickness, steel pipe column suspension column imbed body of wall only 40cm(be only 0.182 times of column section height), and side, compression flange steel plate and metope flush arrangement, outside steel pipe column suspension column cross section, two web both sides and tension flange side are welded to connect plate, are bolted with heel foundation concrete; At the steel pipe column suspension column on mill construction seam both sides, only a coxostermum and tension flange plate external welding junction plate, be bolted with heel foundation concrete.
Accompanying drawing explanation
the steel column base structure schematic diagram of Fig. 1 to be cross section be rectangular tube;
the steel column base structure schematic diagram of Fig. 2 to be cross section be pipe;
fig. 3 is construction sequence schematic diagram 1.;
fig. 4 is construction sequence schematic diagram 2.;
fig. 5 is construction sequence schematic diagram 3.;
fig. 6 is construction sequence schematic diagram 4..
being labeled as in accompanying drawing: 1-suspension column pipe, 2-junction plate, 3-strengthens gusset, 4-connecting hole, 5-lacing wire, 6-gusset, the pre-buried steel bar stress of 7-, 8-fist stage concrete basis end face, 9-suspension column groove, 10-crab-bolt, 11-pre-buried column core reinforcing bar, 12-second stage concrete, 13-anchorage length.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
embodiment.
a construction method for steel pipe column, construct according to the following steps:
1., as shown in Figure 3, suspension column fist stage concrete basis is first built; On fist stage concrete basis, end face less than 8 40cm(is generally 40 ~ 100cm) place reserves second stage concrete suspension column groove 9, and the shape of suspension column groove is corresponding with suspension column junction plate 2 outer rim, the width dimensions that suspension column groove has at least two sides to be greater than suspension column pipe to add junction plate 2;
2., as shown in Figure 4, cast-in fixing bolt 10 and reinforcing bar 7, reinforcing bar 11 in second stage concrete suspension column groove, pre-buried steel bar stress 7 and pre-buried column core reinforcing bar 11 anchor at least one anchorage length downwards from first phase base surface, and expose at least one anchorage length 13 of first phase base surface; Not etc., interval is not arranged for the length of exposed portion;
3., as shown in Figure 5, after the concrete setting of pre-buried pedestal anchor bolt 10 and embedded bar 7,11, steel pipe column is lifted on suspension column groove 9, with nut by fastening with pedestal anchor bolt 10 for the junction plate 2 on suspension column; During lifting, first suspension column can be lifted on suspension column groove, and then shaft lifting is got up to be connected with suspension column, carry out segmental hoisting; Also integral hoisting after can first shaft and suspension column being connected.
4., as shown in Figure 6, with identical with fist stage concrete strength grade or higher leveled concrete backfill suspension column groove, make it concordant with first phase base surface, in clamp nut Transducers Embedded in Concrete;
5., last according to structural calculation needs, at steel pipe column shaft, suspension column or only fill concrete in suspension column.
suspension column structure used in the construction method of aforementioned steel pipe column, as depicted in figs. 1 and 2.Comprise shaft, the bottom of shaft is provided with suspension column; Shaft is pipe or rectangular tube; Suspension column comprises suspension column pipe 1, and suspension column pipe 1 is the tubulose corresponding with shaft shape; Outer wall bottom suspension column pipe 1 is provided with junction plate 2, is provided with one group and strengthens gusset 3 between junction plate 2 and suspension column pipe 1 outer wall; Junction plate 2 is provided with one group of connecting hole 4; Be provided with in suspension column pipe 1 horizontal arrangement one group of lacing wire 5 and along the vertically arranged one group of gusset 6 of suspension column pipe 1 inwall; Vertically arranged one group of pre-buried steel bar stress 7 and pre-buried column core reinforcing bar 11 is provided with in suspension column pipe 1.
when the cross section of suspension column pipe 1 is rectangle, as shown in Figure 1.Outer wall bottom two limits of at least rectangle suspension column pipe is provided with junction plate 2; Article two, limit is adjacent side or opposite side.Aforementioned one group of lacing wire 5 is arranged along the layering of suspension column pipe short transverse, and lacing wire 5 is horizontally disposed with along the length direction of rectangle suspension column pipe.Aforementioned lacing wire 5 adopts shaped steel, steel plate or reinforcing bar, and lacing wire 5 is welded with for suspension column pipe 1 inwall.Aforementioned one group of gusset 6 adopts steel plate, according to structural calculation needs, arranges along rectangle suspension column inside pipe wall.
when the cross section of suspension column pipe 1 is pipe, as shown in Figure 2.The shape of junction plate 2 is annular or the arbitrarily angled flat being greater than 90 degree.Aforementioned one group of lacing wire 5 along the layering of suspension column pipe short transverse arrange, between adjacent lacing wire 5 each other 90 degree be horizontally disposed with.
to of the present invention some illustrate:
1, before construction, according to structural configuration requirement, determine that the layout form of steel pipe column and Steel Pipe Column outside of foot can be welded to connect the quantity of plate; According to related structure calculating achievement, determine size and the quantity of pedestal anchor bolt and suspension column reinforcing bar.
2, make suspension column time, within the scope of suspension column along post longitudinal axis arrange one deck or which floor along rectangle length direction arrange lacing wire 5, lacing wire can adopt shaped steel, steel plate or reinforcing bar, and lacing wire is welded with the inwall of suspension column pipe.Arrange that the scope of lacing wire generally counts more than 1m at the bottom of post, generally get 1.5 ~ 2m.Lacing wire in suspension column pipe arranges that can not affect pre-buried steel bar stress 7 and pre-buried column core reinforcing bar 11 in suspension column passes; When making suspension column, outside suspension column, be welded to connect plate 2, and offer connecting hole 4 on junction plate 2.
Claims (10)
1. a construction method for steel pipe column, is characterized in that: the method is constructed according to the following steps:
1., first make shaft and suspension column, the shape of shaft is pipe or rectangular tubular, and suspension column suspension column comprises suspension column pipe, and suspension column pipe is the tubulose corresponding with shaft shape; Suspension column inside pipe wall is welded with the lacing wire of one group of vertically arranged gusset and one group of horizontal arrangement; Outer wall bottom suspension column pipe is welded with junction plate, is welded with stiffener between junction plate and suspension column pipe outer wall, junction plate is provided with one group of connecting hole;
2. suspension column fist stage concrete basis, is built; Below the end face of fist stage concrete basis, 40cm ~ 100cm place reserves second stage concrete suspension column groove, and the shape of suspension column groove is corresponding with suspension column junction plate outer rim, the width dimensions that suspension column groove has at least two sides to be greater than suspension column pipe to add junction plate;
3., in second stage concrete suspension column groove cast-in fixing bolt and reinforcing bar, embedded bar anchors at least one anchorage length downwards from first phase base surface, and exposes at least one anchorage length of first phase base surface; Not etc., interval is not arranged for the length of exposed portion; Anchorage length is determined according to existing Design Code of Reinforced Concrete;
4., after the concrete setting of pre-buried pedestal anchor bolt and suspension column reinforcing bar, steel pipe column is lifted on suspension column groove, with nut by the junction plate on steel pipe column suspension column and pedestal anchor bolt fastening;
5., with identical with fist stage concrete strength grade or higher leveled concrete backfill suspension column groove, make it concordant with first phase base surface, in clamp nut Transducers Embedded in Concrete;
6., last according to structural calculation needs, at steel pipe column shaft, suspension column or only fill concrete in suspension column.
2. the construction method of steel pipe column according to claim 1, is characterized in that: described step 1. in gusset and lacing wire should avoid reinforcing bar pre-buried in second stage concrete suspension column groove.
3. the construction method of steel pipe column according to claim 1, is characterized in that: described step 3. in steel pipe column can first suspension column be lifted on suspension column groove, and then shaft lifting is got up to be connected with suspension column, carries out segmental hoisting; Or integral hoisting after first shaft and suspension column being connected.
4. suspension column structure used in the construction method of steel pipe column described in claim 1,2 or 3, it is characterized in that: comprise shaft, the bottom of shaft is provided with suspension column; Shaft is pipe or rectangular tube; Suspension column comprises suspension column pipe (1), and suspension column pipe (1) is the tubulose corresponding with shaft shape; The outer wall of suspension column pipe (1) bottom is provided with junction plate (2), is provided with one group and strengthens gusset (3) between junction plate (2) and suspension column pipe (1) outer wall; Junction plate (2) is provided with one group of connecting hole (4); Be provided with in suspension column pipe (1) horizontal arrangement one group of lacing wire (5) and along the vertically arranged one group of gusset (6) of suspension column pipe (1) inwall; Vertically arranged one group of steel bar stress (7) and post core reinforcing bar (11) is provided with in suspension column pipe (1).
5. suspension column structure according to claim 4, is characterized in that: when the cross section of described suspension column pipe (1) is rectangle, and the outer wall bottom two limits of at least rectangle suspension column pipe is provided with junction plate (2); Article two, limit is adjacent side or opposite side.
6. suspension column structure according to claim 5, is characterized in that: described one group of lacing wire (5) is arranged along the layering of suspension column pipe short transverse, and lacing wire (5) is horizontally disposed with along the length direction of rectangle suspension column pipe.
7. suspension column structure according to claim 6, is characterized in that: described lacing wire (5) adopts shaped steel, steel plate or reinforcing bar, and lacing wire (5) is welded with for suspension column pipe (1) inwall.
8. suspension column structure according to claim 5, is characterized in that: described one group of gusset (6) adopts steel plate, according to structural calculation needs, arranges along rectangle suspension column inside pipe wall.
9. suspension column structure according to claim 4, is characterized in that: when the cross section of described suspension column pipe (1) is pipe, and the shape of junction plate (2) is annular or the arbitrarily angled flat being greater than 90 degree.
10. suspension column structure according to claim 9, is characterized in that: described one group of lacing wire (5) along the layering of suspension column pipe short transverse arrange, between adjacent lacing wire (5) each other 90 degree be horizontally disposed with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110426847.2A CN103161262B (en) | 2011-12-19 | 2011-12-19 | A kind of construction method of steel pipe column and suspension column structure used |
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| CN201110426847.2A CN103161262B (en) | 2011-12-19 | 2011-12-19 | A kind of construction method of steel pipe column and suspension column structure used |
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| CN103161262A CN103161262A (en) | 2013-06-19 |
| CN103161262B true CN103161262B (en) | 2015-08-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108104368A (en) * | 2016-11-24 | 2018-06-01 | 重庆市中科大业建筑科技有限公司 | A kind of rigid connection suspension column of clod wash multi-cavity steel tube concrete Special-Shaped Column |
| CN109457868B (en) * | 2018-07-10 | 2021-03-02 | 国网浙江省电力有限公司丽水供电公司 | Steel pipe concrete column base joint and construction method thereof |
| CN109488029A (en) * | 2018-11-07 | 2019-03-19 | 中建三局第建设工程有限责任公司 | The construction method of the whole Pin lifting of return air passageway steel construction |
| CN110924527A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Steel plate interface bolt connecting structure and method for reinforced concrete column and foundation |
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| CN2716374Y (en) * | 2004-06-29 | 2005-08-10 | 浙江杭萧钢构股份有限公司 | Articulated column post node structure of rectangular steel pipe column |
| CN2861328Y (en) * | 2005-12-19 | 2007-01-24 | 上海市第二建筑有限公司 | Subsectional embedded structure of concrete steel column in reverse construction engineering |
| WO2007148695A1 (en) * | 2006-06-20 | 2007-12-27 | Protec Engineering, Inc. | Withstand load material, its manufacturing method, and manufacturing apparatus used therefor |
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