CN104878775A - Turnable top-down method steel pipe column verticality adjusting guide device and construction method thereof - Google Patents
Turnable top-down method steel pipe column verticality adjusting guide device and construction method thereof Download PDFInfo
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- CN104878775A CN104878775A CN201510273545.4A CN201510273545A CN104878775A CN 104878775 A CN104878775 A CN 104878775A CN 201510273545 A CN201510273545 A CN 201510273545A CN 104878775 A CN104878775 A CN 104878775A
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Abstract
The invention provides a turnable top-down method steel pipe column verticality adjusting guide device and a construction method thereof. The verticality adjusting guide device comprises a permanent steel pipe column, an upper section verticality adjusting steel tube, a lower section verticality adjusting steel tube and a connection screw rod; the upper section verticality adjusting steel tube and the lower section verticality adjusting steel tube are connected through a flange, and the lower section verticality adjusting steel tube and the permanent steel pipe column are connected through a flange; after pile body pore forming is finished, a lower pile body reinforcement cage is hoisted, then the whole verticality adjusting guide device is hoisted, verticality adjustment and fixing are carried out on the steel pipe column through a ground verticality adjusting positioning platform, pile body concrete is poured, the ground verticality adjusting positioning platform is removed after the pile body concrete solidifies primarily, an upper flange bolt and the upper section verticality adjusting steel tube are detached firstly, then the connection screw rod is screwed, and finally the lower section verticality adjusting steel tube is detached, so that detachment and repeated use of a non-effective section steel pipe column above a top-down method interface layer are achieved. On one hand, top-down method steel pipe column verticality construction control requirements are taken into consideration, and meanwhile construction temporary measure investment is also reduced. The device is low in manufacturing cost, can be recycled and used and is easy and convenient to construct.
Description
Technical field
The invention belongs to the realm of building construction, particularly a kind of servicing unit and construction method thereof of steel pipe column being carried out to vertical adjustment in building contrary sequence method.
Background technology
Contrary sequence method is used for, in multilayer basement of high-rise building and other multi-layer underground structure construction, solving the safety problem of foundation ditch operation in city high rise building dense, and reducing in construction temporary lining cost in the reduction of erection time has obvious economic effect.But various to the restriction of engineering in most of contrary sequence method, to ground superstructure, construction has load to limit more, and particularly foundation depth can not be too dark, and ground subinverse makes knots the structure number of plies and mostly also is less than 3 layers.To trace it to its cause the resistance to overturning of mainly vertical supporting pile and diaphragm wall and horizontal structure stress system, structural stability requirement cannot be met.Specifically, the reverse construction quality of underground vertical structure far below along the level done, the particularly inverse degree control most important thing especially doing region steel pipe post stake.
Reverse construction boundary layer is arranged on ± 0.00 layer time, the steel pipe post pile driving construction scope of operation rest on the ground, permanent segment steel pipe column also extends ground, construction interface layer is cut off subsequently again with impermanent section of steel pipe column of upper part after later stage soil excavation, even if also only as waste wood process after cutting off, cannot reuse, be unfavorable for low-carbon environment-friendly.
And at present, because contrary sequence method design is more and more applied to the realm of building construction, simultaneously in order to reduce the later stage adopting contrary sequence method to bring difficult earth excavation amount, reduce investment, reverse construction boundary layer is no longer arranged on
0.00 layer but be reduced to underground-1F layer, bring against the high reduction of effective the top mark doing region steel pipe post stake thus, if permanent steel pipe column is transferred at-1F layer place, underground, then require to bring larger difficulty of construction to the verticality of steel pipe column, if permanent steel pipe column is extended ground again, then need the impermanent section of steel pipe column cut off to be at least a floor height, waste raw material greatly.
Summary of the invention
The object of this invention is to provide a kind of contrary sequence method steel pipe column vertical adjustment guiding device of having enough to meet the need and construction method thereof, when the existing contrary sequence method steel pipe column operation side solved is reduced to underground, require to bring larger difficulty of construction to the verticality of steel pipe column, the permanent lengths of steel pipes of cutting off wastes raw-material technical problem greatly.
For achieving the above object, the present invention adopts following technical scheme:
A kind of contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need, comprise the permanent steel pipe column that is positioned at stake holes and be positioned at nature ground ground vertical adjustment locating platform, also comprise the two ends vertical adjustment be removably connected to respectively between permanent steel pipe column and ground vertical adjustment locating platform to lead steel pipe, described vertical adjustment guiding steel pipe and the junction of permanent steel pipe column are positioned at nature underground, concordant with contrary sequence method boundary layer.
Described vertical adjustment guiding steel pipe is assemblied to form by the hypomere vertical adjustment steel pipe, epimere vertical adjustment steel pipe and the connector of steel tube that removably connect, and described hypomere vertical adjustment steel pipe is concordant with natural ground with the junction of epimere vertical adjustment steel pipe.
Described connector of steel tube by making a pair lower flange of Flange joint between permanent steel pipe column with hypomere vertical adjustment steel pipe be connected wing plate, make a pair upper flange of Flange joint between hypomere vertical adjustment steel pipe with epimere vertical adjustment steel pipe be connected wing plate and along hypomere vertical adjustment steel pipe pipe shaft vertically one group of connecting screw rod of uniform a week form, described connecting screw rod is removably connected to upper flange and connects wing plate and be connected between wing plate with lower flange.
The two ends of described connecting screw rod are provided with screw thread, upper end through upper flange connect wing plate is preset etc. quantity screw hole being fixed by upper flange bolt, lower end through lower flange connect wing plate is preset etc. quantity screw hole being fixed by lower flange bolt.
Described upper flange connection wing plate is connected wing plate b by upper flange connection wing plate a with upper flange and forms, and it is connect wing plate a by lower flange to be connected wing plate b with lower flange that described lower flange connects wing plate.
Described lower flange bolt welding is fixed on the soffit that lower flange connects wing plate.
A construction method for the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need, construction sequence is as follows:
Step one, connects the bottom integral solder of wing plate a and epimere vertical adjustment steel pipe by upper flange; Upper flange is connected the top integral solder of wing plate b and hypomere vertical adjustment steel pipe; Lower flange is connected the bottom integral solder of wing plate a and hypomere vertical adjustment steel pipe; Lower flange is connected wing plate b and permanent steel pipe column (top integral solder; Lower flange bolt welding is connected the soffit of wing plate b to lower flange;
Step 2, Flange joint wing plate between epimere vertical adjustment steel pipe, hypomere vertical adjustment steel pipe and permanent steel pipe column is alignd respectively, the lower end of connecting screw rod connects wing plate a through lower flange successively and is connected wing plate b with lower flange and screws in lower flange bolt tightening, the upper end of connecting screw rod connects wing plate b through upper flange successively and is connected wing plate a with upper flange, and tightens upper flange bolt at the upper surface of upper flange connection wing plate a;
Step 3, stake position pore-forming;
Step 4, first hang the pile body reinforcing cage of permanent works stake in stake holes, entirety hangs the vertical adjustment guiding steel pipe and permanent steel pipe column that connect as one again, the bottom of permanent steel pipe column is placed in pile body reinforcing cage, and makes permanent steel pipe column transfer to design elevation by the guiding of vertical adjustment guiding steel pipe;
Step 5, to be fixedly attached to epimere vertical adjustment steel pipe on the vertical adjustment locating platform of ground and to carry out accurate vertical adjustment by ground vertical adjustment locating platform;
Step 6, carries out the pile concrete of permanent works stake and steel pipe column is concrete builds;
Step 7, until the pile concrete of permanent works stake reach make permanent steel pipe column can in concrete build-in intensity and guarantee the fixing no longer off normal of permanent steel pipe column or after tilting, remove ground vertical adjustment locating platform;
Step 8, upper flange bolt of outwarding winding in natural ground, makes connecting screw rod be connected wing plate with upper flange and disconnects, and reclaims epimere vertical adjustment steel pipe after being separated epimere vertical adjustment steel pipe and hypomere vertical adjustment steel pipe;
Step 9, natural ground screws connecting screw rod, makes connecting screw rod be connected wing plate with lower flange bolt and lower flange and all disconnects, connecting screw rod is shifted out stake holes, after being separated hypomere vertical adjustment steel pipe and permanent steel pipe column, reclaims hypomere vertical adjustment steel pipe;
Step 10, is undertaken cleaning or maintaining, to reuse subsequently by the epimere vertical adjustment steel pipe dismantled, hypomere vertical adjustment steel pipe, connecting screw rod and upper flange bolt.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention has abandoned and reverse construction boundary layer had been arranged on the ground way of nature in the past, section after being down to underground more than contrary sequence method boundary layer arranges two joint vertical adjustment steel pipes and permanent steel pipe column carries out dismountable Flange joint, vertical adjustment to permanent steel pipe column after the guiding of permanent steel pipe column and epimere vertical adjustment guiding steel pipe and ground vertical adjustment locating platform being fixed by hypomere vertical adjustment guiding steel pipe, degree control and the integral hoisting requirement of steel pipe column can be met on the one hand, simultaneously by the reversibility of Flange joint, be convenient to disassembling and reusing of boundary layer above vertical adjustment section steel pipe.
The invention belongs to a kind of low-carbon green construction in building reverse construction field, by adopting the form of connecting screw rod and Flange joint to non-effective section of steel pipe pile body, both the requirement of contrary sequence method steel pipe column verticality construction control had been taken into account on the one hand, additionally reduce construction temporary measure to drop into simultaneously, apparatus cost is low, recoverable easy construction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the vertical adjustment guiding steel pipe of the contrary sequence method steel pipe column vertical adjustment guiding device that the present invention can be had enough to meet the need and permanent steel pipe column structural representation.
Fig. 2 is the cross-sectional view of epimere vertical adjustment steel pipe in Fig. 1.
Fig. 3 is the cross-sectional view of hypomere vertical adjustment steel pipe in Fig. 1.
Fig. 4 is the cross-sectional view of permanent steel pipe column in Fig. 1.
Fig. 5 is the plan structure schematic diagram that upper flange of the present invention connects wing plate.
Fig. 6 be lower flange of the present invention connect wing plate look up structural representation.
Fig. 7 is the structural representation of connecting screw rod of the present invention.
Fig. 8 is the fractionation structure chart that upper flange connects wing plate.
Fig. 9 is the fractionation structure chart that lower flange connects wing plate.
Figure 10 is the schematic diagram of the using state of vertical adjustment guiding device in Fig. 1.
Reference numeral: 1-epimere vertical adjustment steel pipe, 2-hypomere vertical adjustment steel pipe, the permanent steel pipe column of 3-, 4-pile concrete, 5-upper flange connects wing plate, 5.1-upper flange connects wing plate a, 5.2-upper flange connects wing plate b, 6-lower flange connects wing plate, 6.1-lower flange connects wing plate a, 6.2-lower flange connects wing plate b, 7-connecting screw rod, 8-upper flange bolt, 9-lower flange bolt, 10-nature ground, 11-contrary sequence method boundary layer, 12-steel pipe column concrete, 13-stake holes, 14-flange stiffener, 15-ground vertical adjustment locating platform.
Detailed description of the invention
Embodiment is see shown in Fig. 1-7, a kind of contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need, comprise the permanent steel pipe column 3 being positioned at stake holes 13 and the ground vertical adjustment locating platform 15 be positioned on nature ground 10, also comprise the two ends vertical adjustment be removably connected to respectively between permanent steel pipe column 3 and ground vertical adjustment locating platform to lead steel pipe, described vertical adjustment guiding steel pipe and the junction of permanent steel pipe column 3 be positioned under nature ground 10, concordant with contrary sequence method boundary layer 11.
Described vertical adjustment guiding steel pipe is assemblied to form by the hypomere vertical adjustment steel pipe 2 removably connected, epimere vertical adjustment steel pipe 1 and connector of steel tube, and described hypomere vertical adjustment steel pipe 2 is concordant with natural ground 10 with the junction of epimere vertical adjustment steel pipe 1.
Described connector of steel tube by making a pair lower flange of Flange joint between permanent steel pipe column 3 with hypomere vertical adjustment steel pipe 2 be connected wing plate 6, make a pair upper flange of Flange joint between hypomere vertical adjustment steel pipe 2 with epimere vertical adjustment steel pipe 1 be connected wing plate 5 and along hypomere vertical adjustment steel pipe 2 pipe shaft vertically one group of connecting screw rod 7 of uniform a week form, described connecting screw rod 7 is removably connected to upper flange and connects wing plate 5 and be connected between wing plate 6 with lower flange.The two ends of described connecting screw rod 7 are provided with screw thread, upper end through upper flange connect wing plate 5 is preset etc. quantity screw hole being fixed by upper flange bolt 8, lower end through lower flange connect wing plate 6 is preset etc. quantity screw hole being fixed by lower flange bolt 9.
Described upper flange connection wing plate 5 is connected wing plate b5.2 by upper flange connection wing plate a5.1 with upper flange and forms, it is connect wing plate a6.1 by lower flange to be connected wing plate b6.2 with lower flange that described lower flange connects wing plate 6, and described upper flange connection wing plate 5 and lower flange are connected interval connecting screw rod 7 on wing plate 6 and are all relatively provided with the blue stiffener 14 of multigroup method.
Described lower flange bolt 9 is fixedly welded on the soffit that lower flange connects wing plate 6.
The construction method of this contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need, construction sequence is as follows:
Step one, connects the bottom integral solder of wing plate a5.1 and epimere vertical adjustment steel pipe 1 by upper flange; Upper flange is connected the top integral solder of wing plate b5.2 and hypomere vertical adjustment steel pipe 2; Lower flange is connected the bottom integral solder of wing plate a6.1 and hypomere vertical adjustment steel pipe 2; Lower flange is connected the top integral solder of wing plate b6.2 and permanent steel pipe column 3; Lower flange bolt 9 is soldered to the soffit that lower flange connects wing plate b6.2.
Step 2, Flange joint wing plate between epimere vertical adjustment steel pipe 1, hypomere vertical adjustment steel pipe 2 and permanent steel pipe column 3 is alignd respectively, the lower end of connecting screw rod 7 is connected wing plate b6.2 with lower flange through lower flange connection wing plate a6.1 and screws in lower flange bolt 9 successively tightens, the upper end of connecting screw rod 7 connects wing plate b5.2 through upper flange successively and is connected wing plate a5.1 with upper flange, and tightens upper flange bolt 8 at the upper surface of upper flange connection wing plate a5.1.
Step 3, stake position pore-forming.
Step 4, first hang the pile body reinforcing cage of permanent works stake in stake holes, entirety hangs the vertical adjustment guiding steel pipe and permanent steel pipe column 3 that connect as one again, the bottom of permanent steel pipe column 3 is placed in pile body reinforcing cage, and make permanent steel pipe column 3 transfer to design elevation by the guiding of vertical adjustment guiding steel pipe, complete and permanent steel pipe column 3 guiding is transferred.
Step 5, is fixedly attached to epimere vertical adjustment steel pipe 1 on ground vertical adjustment locating platform 15, and completes the accurate vertical adjustment to permanent steel pipe column 3 by ground vertical adjustment locating platform 15.
Step 6, carries out the pile concrete 4 of permanent works stake and building of steel pipe column concrete 12.
Step 7, until the pile concrete 4 of permanent works stake reach make permanent steel pipe column 3 can in concrete build-in intensity and guarantee the fixing no longer off normal of permanent steel pipe column 3 or after tilting, remove ground vertical adjustment locating platform.
Step 8, upper flange bolt 8 of outwarding winding in natural ground 10, makes connecting screw rod 7 be connected wing plate 5 with upper flange and disconnects, and is separated epimere vertical adjustment steel pipe 1 and reclaims epimere vertical adjustment steel pipe 1 with hypomere vertical adjustment steel pipe 2 is rear.
Step 9, natural ground 10 screws connecting screw rod 7, makes connecting screw rod 7 be connected wing plate 6 with lower flange bolt 9 and lower flange and all disconnect, connecting screw rod 7 is shifted out stake holes and reclaims, after being separated hypomere vertical adjustment steel pipe 2 and permanent steel pipe column 3, reclaim hypomere vertical adjustment steel pipe 2.
Step 10, is undertaken cleaning or maintaining, to reuse subsequently by the epimere vertical adjustment steel pipe 1 dismantled, hypomere vertical adjustment steel pipe 2, connecting screw rod 7 and upper flange bolt 8.
Content described in this manual embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (7)
1. the contrary sequence method steel pipe column vertical adjustment guiding device that can have enough to meet the need, comprise the permanent steel pipe column (3) being positioned at stake holes (13) and ground vertical adjustment locating platform (15) be positioned on nature ground (10), it is characterized in that: also comprise the two ends vertical adjustment be removably connected to respectively between permanent steel pipe column (3) and ground vertical adjustment locating platform and to lead steel pipe, the bottom of described vertical adjustment guiding steel pipe and the junction of permanent steel pipe column (3) be positioned under nature ground (10), concordant with contrary sequence method boundary layer (11).
2. the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 1, it is characterized in that: described vertical adjustment guiding steel pipe is made up of the hypomere vertical adjustment steel pipe (2) removably connected, epimere vertical adjustment steel pipe (1) and connector of steel tube, and described hypomere vertical adjustment steel pipe (2) is concordant with natural ground (10) with the junction of epimere vertical adjustment steel pipe (1).
3. the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 2, it is characterized in that: described connector of steel tube is by making a pair lower flange of Flange joint between permanent steel pipe column (3) with hypomere vertical adjustment steel pipe (2) be connected wing plate (6), make a pair upper flange of Flange joint between hypomere vertical adjustment steel pipe (2) with epimere vertical adjustment steel pipe (1) be connected wing plate (5) and along hypomere vertical adjustment steel pipe (2) pipe shaft vertically one group of connecting screw rod (7) of uniform a week form, described connecting screw rod (7) is removably connected to upper flange connection wing plate (5) and is connected with lower flange between wing plate (6).
4. the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 3, it is characterized in that: the two ends of described connecting screw rod (7) are provided with screw thread, upper end through upper flange connect wing plate (5) upper preset etc. quantity screw hole being fixed by upper flange bolt (8), lower end through lower flange connect wing plate (6) upper preset etc. quantity screw hole being fixed by lower flange bolt (9).
5. the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 3 or 4, it is characterized in that: described upper flange connects wing plate (5) and connects wing plate a(5.1 by upper flange) be connected wing plate b(5.2 with upper flange) form, it is connect wing plate a(6.1 by lower flange that described lower flange connects wing plate (6)) be connected wing plate b(6.2 with lower flange).
6. the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 4, is characterized in that: described lower flange bolt (9) is fixedly welded on the soffit that lower flange connects wing plate (6).
7. the construction method of the contrary sequence method steel pipe column vertical adjustment guiding device had enough to meet the need according to claim 1-6 any one, it is characterized in that, construction sequence is as follows:
Step one, connects wing plate a(5.1 by upper flange) with the bottom integral solder of epimere vertical adjustment steel pipe (1); Upper flange is connected wing plate b(5.2) with the top integral solder of hypomere vertical adjustment steel pipe (2); Lower flange is connected wing plate a(6.1) with the bottom integral solder of hypomere vertical adjustment steel pipe (2); Lower flange is connected wing plate b(6.2) with the top integral solder of permanent steel pipe column (3); Lower flange bolt (9) is soldered to lower flange and connects wing plate b(6.2) soffit;
Step 2, Flange joint wing plate between epimere vertical adjustment steel pipe (1), hypomere vertical adjustment steel pipe (2) and permanent steel pipe column (3) is alignd respectively, the lower end of connecting screw rod (7) connects wing plate a(6.1 through lower flange successively) be connected wing plate b(6.2 with lower flange) and screw in lower flange bolt (9) and tighten, the upper end of connecting screw rod (7) connects wing plate b(5.2 through upper flange successively) be connected wing plate a(5.1 with upper flange), and at upper flange connection wing plate a(5.1) upper surface tighten upper flange bolt (8);
Step 3, stake position pore-forming;
Step 4, first hang the pile body reinforcing cage of permanent works stake in stake holes, entirety hangs the vertical adjustment guiding steel pipe and permanent steel pipe column (3) that connect as one again, the bottom of permanent steel pipe column (3) is placed in pile body reinforcing cage, and makes permanent steel pipe column (3) transfer to design elevation by the guiding of vertical adjustment guiding steel pipe;
Step 5, is fixedly attached to ground vertical adjustment locating platform (15) and goes up and carry out accurate vertical adjustment by ground vertical adjustment locating platform by epimere vertical adjustment steel pipe (1);
Step 6, carries out the pile concrete (4) of permanent works stake and building of steel pipe column concrete (12);
Step 7, until the pile concrete (4) of permanent works stake reach make permanent steel pipe column (3) can in concrete build-in intensity and guarantee the fixing no longer off normal of permanent steel pipe column (3) or after tilting, remove ground vertical adjustment locating platform;
Step 8, upper flange bolt (8) that natural ground (10) outward winding, makes connecting screw rod (7) be connected wing plate (5) with upper flange and disconnects, and is separated epimere vertical adjustment steel pipe (1) and reclaims epimere vertical adjustment steel pipe (1) afterwards with hypomere vertical adjustment steel pipe (2);
Step 9, natural ground (10) screw connecting screw rod (7), make connecting screw rod (7) be connected wing plate (6) with lower flange bolt (9) and lower flange all to disconnect, connecting screw rod (7) is shifted out stake holes and reclaims, after being separated hypomere vertical adjustment steel pipe (2) and permanent steel pipe column (3), reclaim hypomere vertical adjustment steel pipe (2);
Step 10, is undertaken cleaning or maintaining, to reuse subsequently by the epimere vertical adjustment steel pipe (1) dismantled, hypomere vertical adjustment steel pipe (2), connecting screw rod (7) and upper flange bolt (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510273545.4A CN104878775B (en) | 2015-05-26 | 2015-05-26 | A kind of contrary sequence method steel pipe column vertical adjustment guider having enough to meet the need and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510273545.4A CN104878775B (en) | 2015-05-26 | 2015-05-26 | A kind of contrary sequence method steel pipe column vertical adjustment guider having enough to meet the need and its construction method |
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| CN104878775A true CN104878775A (en) | 2015-09-02 |
| CN104878775B CN104878775B (en) | 2017-07-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105386459A (en) * | 2015-12-17 | 2016-03-09 | 中国水利水电第十四工程局有限公司 | Positioning device and method for large steel structural column |
| CN106245765A (en) * | 2016-09-23 | 2016-12-21 | 沈阳建筑大学 | Slip casting joint steel pipe apparatus structure and method of attachment |
| CN106638609A (en) * | 2016-11-21 | 2017-05-10 | 上海建工二建集团有限公司 | Upright post pile |
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| CN201738346U (en) * | 2010-08-03 | 2011-02-09 | 中天建设集团有限公司 | Constructing and droop-adjusting device for upright post steel tube by topdown constructin method |
| CN203256744U (en) * | 2013-04-16 | 2013-10-30 | 中冶天工上海十三冶建设有限公司 | Device for correcting perpendicularity of concrete-filled steel tubular column through reverse construction method |
| CN204753628U (en) * | 2015-05-26 | 2015-11-11 | 中建三局集团有限公司 | Guider that hangs down is transferred to contrary way of doing things steel -pipe column that can have enough to meet need |
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| JPH093894A (en) * | 1995-06-26 | 1997-01-07 | Hazama Gumi Ltd | Permanent substructural column erection control device |
| JP2003129502A (en) * | 2001-10-24 | 2003-05-08 | Ohbayashi Corp | Construction device of post-insertion building central column and construction method in inverted construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105386459A (en) * | 2015-12-17 | 2016-03-09 | 中国水利水电第十四工程局有限公司 | Positioning device and method for large steel structural column |
| CN106245765A (en) * | 2016-09-23 | 2016-12-21 | 沈阳建筑大学 | Slip casting joint steel pipe apparatus structure and method of attachment |
| CN106638609A (en) * | 2016-11-21 | 2017-05-10 | 上海建工二建集团有限公司 | Upright post pile |
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| CN104878775B (en) | 2017-07-21 |
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