CN1124807A - Force transfer key structure for basement construction of tall building and construction method - Google Patents
Force transfer key structure for basement construction of tall building and construction method Download PDFInfo
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- CN1124807A CN1124807A CN 95115194 CN95115194A CN1124807A CN 1124807 A CN1124807 A CN 1124807A CN 95115194 CN95115194 CN 95115194 CN 95115194 A CN95115194 A CN 95115194A CN 1124807 A CN1124807 A CN 1124807A
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- force transfer
- transfer key
- taper thread
- reinforcing bar
- supporting
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Abstract
The present invention discloses a transmission bond structure which is used in the construction of the basement of a high-building and a construction method. The present invention relates to the transmission bond structure used in the supporting walls of the underground construction and the construction method. The adopted technology scheme is that the transmission bond(3) is formed by the connection of a made notch (32)in a supporting structure(2)and a corresponding flange (34)in a lining wall(4), and the embedded twisted steel with cone-shaped end in the notch (32)and the twisted steel with cone-shaped end by the connector on the flange (34). The present invention is characterized in that the supporting structure can not only work in the construction stage, but also can bear various loads of the main building after the construction because of the adoption of the transmission bond structure.
Description
The present invention relates to underground structure, especially belong to the structure and the job practices of force transfer key in basement retaining wall or the deep pit support revetment.
In the background technology along with a large amount of constructions of high-rise and super highrise building, the basement degree of depth is more and more darker, by two, three layers are developed into five, six layers, for solving the huge soil pressure that produces in the foundation depth increasing process, water pressure, infiltration reaches the problems such as influence to adjacent structure, supporting and protection structure (being alleged soldier pile of people or diaphragm wall) is generally all arranged in basement construction, by welded grider reinforcing bar on the elongated steel plate of reserving in supporting and protection structure, make support system, this support system mainly is used in construction period retaining soil and dash is used, after basement engineering is finished, supporting and protection structure is ineffective thereupon, because the supporting and protection structure cost is very high, so this job practices caused the huge expenditure of engineering, improved the cost of engineering.
The objective of the invention is to: a kind of structure that adopts force transfer key on supporting and protection structure is provided, make supporting and protection structure and basement chemise, beam slab fuse, supporting and protection structure not only can play the effect at construction stage retaining soil, dash like this, and after finishing, construction can also bear nonvolatil level of agent structure and vertical load, realize the purpose of common carrying such as supporting and protection structure and chemise, base plate and main body stake, realized reducing the effect of cost.The present invention can also solve bearing support, power transmission, connection and the node processing of " reverse masonry method " construction when utilizing permanent flooring to do to support.
The technical solution used in the present invention is: force transfer key 3 is by being connected being shaped on flange 34 corresponding on groove 32 and the chemise 4 on the supporting and protection structure 2, and in the groove 32 pre-buried end band taper thread reinforcing bar 31 by the connector on the flange 34 link to each other with band taper thread beam steel 35 form.
The job practices of force transfer key structure is: it is the position of at first making force transfer key 3 on the steel bar framework in supporting and protection structure 2, end band taper thread reinforcing bar 31 is set on force transfer key 3 positions, make force transfer key mould shape according to force transfer key appearance and size with light material and tie up on the steel bar framework relevant position, the groove that the steel bar framework that will tie up force transfer key mould shape by common way is put into underground support structure 2 is placing of concrete again.During excavation, the mould that light material is made is removed, formed the groove 32 in the supporting and protection structure 2, indented bars pre-buried in the groove 32 31 is linked to each other with band taper thread beam steel 35 by connector, reinforcing bar on good chemise 4 of cloth and the beam slab 8 then, promptly made behind the placing of concrete supporting and protection structure 2 and chemise 4, the force transfer key that beam slab 8 connects together.
The invention has the advantages that: 1. the present invention is stressed clear and definite, and transmission force property is reliable, and therefore simple in structure, easy construction is convenient to promote; 2. because the present invention can transmit vertical load effectively, make supporting and protection structure play a role and directly bear permanent level, vertical load, reduced main body stake quantity, saved a large amount of investments; 3. the present invention is owing to adopt groove and the flange power transmission, so the Transfer of Shear ability is greater than the several times to tens of institute's power transmission in the pre-buried elongated steel plate welding structure times; 4. owing to adopt connector, the function of correcting when therefore having pre-buried dislocation even causes dislocation because of foundation settlement or other factors, can be by dislocation conversion reinforcing bar and connector in advance to correct; 5. satisfy node processing and power transmission in " reverse masonry method " construction.
Be specific embodiments of the present invention below:
Fig. 1 is for adopting force transfer key structural construction overall pattern
Fig. 2 is for adopting the force transfer key structure principle chart
When being dislocation, adopts Fig. 3 force transfer key structural adjustment schematic diagram
Wherein 1, the earth 2, supporting and protection structure 3, force transfer key
31, end band taper thread reinforcing bar 32, groove 33, taper thread coupling
34, flange 35, band taper thread beam steel 36, dislocation conversion reinforcing bar
37, end taper thread 38, nut 39, band steel 4, chemise
5, basement 6, main body stake 7, base plate 8, beam slab
Be illustrated in figure 1 as and adopt force transfer key structural construction overall pattern, its principle is to be connected by being shaped on flange 34 corresponding on groove 32 and the chemise 4 on the supporting and protection structure 2 of imbedding the earth 1 (promptly referring to soldier pile or diaphragm wall), and make supporting and protection structure 2 and chemise 4 make one, make supporting and protection structure 2 not only can play temporary water dash in the original structure, the effect of retaining soil pressure, and directly play by force transfer key 3 and to share a part of level and vertical load in the agent structure, and because supporting and protection structure 2 forms an integral body by force transfer key 3 and chemise 4 and beam slab 8 etc., therefore make main body stake 6, base plate 7, chemise 4 collaborative works such as grade are shared stressed, so not only reduced the quantity of a large amount of main body stakes 6, simultaneously the construction of chemise 4 has been simplified.
And for example Figure 2 shows that the force transfer key structure principle chart, as can be seen from Figure 2 force transfer key 3 is by the end band taper thread reinforcing bar 31 in supporting and protection structure 2 upper grooves 32, links to each other and with concrete its pouring is made it to form one with band taper thread beam steel 35 by the taper thread coupling 33 in chemise 4 upper flanges 34 and form.
Force transfer key structure principle chart when and for example Figure 3 shows that dislocation, as can be seen from Figure 3, force transfer key 3 is to be connected and fixed dislocation conversion reinforcing bar 36 by the end band taper thread reinforcing bar 31 in supporting and protection structure 2 upper grooves 32 by nut 38 band steels 39 will correct because of the dislocation that setting of ground causes, and get back to the precalculated position, the end taper thread 37 at conversion reinforcing bar 36 two ends that will misplace then links to each other and with concrete its pouring is made it to form one with band taper thread beam steel 35 by the taper thread coupling 33 in chemise 4 upper flanges 34 and forms.
The job practices of above-mentioned force transfer key 3 structures is: it is when making supporting and protection structure 2, at first be by calculating position of making force transfer key 3 and the cross dimensions of determining by the shearing size on the steel bar framework in supporting and protection structure 2 according to conventional method, and on the force transfer key mould shape that end band taper thread reinforcing bar 31 is set and make with light material on the position of force transfer key 3 is tied up relevant position at steel bar framework, the steel bar framework that will tie up force transfer key mould shape by common way is put into groove and placing of concrete is made the supporting and protection structure 2 of imbedding the earth 1 then, when basement 5 excavations are made, the force transfer key mould shape that only needs the light material on the supporting and protection structure 2 is made is removed, the end band taper thread reinforcing bar 31 that can expose the groove 32 in the supporting and protection structure 2 and wherein set in advance, under normal conditions, when the generation of setting of ground or other misalignment not occurring, as long as the end band taper thread reinforcing bar that will set in advance 31 links to each other with band taper thread beam steel 35 by taper thread coupling 33, pour into behind reinforcing bar on the good chemise 4 of cloth and the reinforcing bar on the beam slab 8 then and promptly made on the coagulation supporting and protection structure 2 and chemise 4, the force transfer key that beam slab 8 connects together.
Among the present invention, when if work progress generation supporting and protection structure 2 causes the keyway misalignment because of other reasonses such as settings of ground, the end band taper thread reinforcing bar 31 that then must will set in advance is connected and fixed dislocation conversion reinforcing bar 36 by nut 38 and band steel 39 and will corrects because of the dislocation that setting of ground causes, and then the end taper thread 37 at conversion reinforcing bar 36 two ends that will misplace, link to each other with band taper thread beam steel 35 by taper thread coupling 33, promptly reach the purpose of corrected transposition, after correcting the reinforcing bar and the reinforcing bar on the beam slab 8 on the good chemise 4 of back cloth, water concrete and get final product.
Dislocation conversion reinforcing bar 36 among the present invention, it is shaped as
, and two ends are end taper thread 37, so that be connected with band taper thread beam steel 35, the quantity and the size of dislocation conversion reinforcing bar 36 are to determine according to the size and the quantity of beam, slab muscle.
The force transfer key mould shape that light material is made among the present invention is meant the force transfer key mould shape of being made by foamed plastics or wound card.
Operating principle of the present invention is: because the present invention is the position of making force transfer key 8 on the steel bar framework in supporting and protection structure 2, the force transfer key mould shape that sets in advance end band taper thread reinforcing bar 31 and this position is made by binding light material, and with under the steel bar framework in groove, placing of concrete then, the force transfer key mould shape that light material can be made during excavation is removed, and make groove 32, and with chemise 4 on corresponding flange 34 link to each other, its institute's transfer shearing force is to realize by keyway, therefore transmit traditional directly being welded in beam steel on the elongated steel plate and utilizing the plane to come Transfer of Shear will improve several times to tens times of force rate, the face transmission is the groove transmission because he flattens, owing to bear the raising greatly of shearing ability, therefore make and utilize supporting and protection structure 2 and chemise 4 by the force transfer key 3 common stressed possibility that becomes that fuses, promptly changed traditional basement build in supporting and protection structure 2 in architectural process, only help out, and the way of after building up, being scrapped, make supporting and protection structure utilized, and with supporting and protection structure 2, chemise 4, it is stressed jointly that beam slab 8 and base plate 7 etc. are formed the one associating, reaches the purpose of saving main body stake 6 and reducing investment outlay.
This force transfer key technology can be applied to basement " reverse masonry method " construction, makes in " reverse masonry method " construction, utilize nonvolatil basement flooring as the support of support wall become may with become than being easier to.
Claims (6)
1, the force transfer key structure that uses during basement in high rise building is built, it is characterized in that: it is to go up corresponding flange (34) and be connected by be shaped on groove (32) and chemise (4) on supporting and protection structure (2), and in the groove (32) pre-buried end band taper thread reinforcing bar (31) by the connector on the flange (34) be with taper thread beam steel (35) link to each other form.
2, the job practices of force transfer key structure according to claim 1, it is characterized in that: it is the position of making force transfer key (3) on the steel bar framework in supporting and protection structure (2), end band taper thread reinforcing bar (31) is set on force transfer key (3) position, make force transfer key mould shape according to force transfer key appearance and size with light material and tie up on the relevant position of steel bar framework, the groove that the steel bar framework that will tie up force transfer key mould shape by common way is put into underground support structure (2) is placing of concrete again; During excavation, the force transfer key mould shape that light material is made is removed the groove (32) that forms in the supporting and protection structure (2), end band taper thread reinforcing bar (31) pre-buried in the groove (32) by link to each other with band taper thread beam steel (35) reinforcing bar on the good chemise of cloth (4) and beam slab (8) then of connector, has promptly been made the force transfer key that supporting and protection structure (2) and chemise (4), beam slab (8) are connected together behind the placing of concrete.
3, force transfer key according to claim 1 and 2 structure and job practices is characterized in that: connector by pre-buried end band taper thread reinforcing bar (31) by taper thread coupling (33) be with taper thread beam steel (35) link to each other form.
4, force transfer key according to claim 1 and 2 is constructed and job practices, it is characterized in that: connector is to be connected and fixed dislocation conversion reinforcing bar (36) by pre-buried end band taper thread reinforcing bar (31) by nut (38) and band steel (39), the end taper thread (37) of the conversion reinforcing bar (36) that will misplace then by taper thread coupling (33) be with taper thread beam steel (35) link to each other form.
5, force transfer key structure according to claim 4 and job practices, it is characterized in that: it is shaped as dislocation conversion reinforcing bar (36)
, and two ends are end taper thread (37), the quantity and the size of dislocation conversion reinforcing bar (36) they are to determine according to the quantity and the size diameter of beam, slab muscle.
6, force transfer key structure according to claim 2 and job practices is characterized in that: the force transfer key mould shape that detachable light material is made is meant the force transfer key mould shape that foamed plastics or wound card are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95115194 CN1072747C (en) | 1995-09-27 | 1995-09-27 | Force transfer key structure for basement construction of tall building and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95115194 CN1072747C (en) | 1995-09-27 | 1995-09-27 | Force transfer key structure for basement construction of tall building and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1124807A true CN1124807A (en) | 1996-06-19 |
| CN1072747C CN1072747C (en) | 2001-10-10 |
Family
ID=5080430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95115194 Expired - Fee Related CN1072747C (en) | 1995-09-27 | 1995-09-27 | Force transfer key structure for basement construction of tall building and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1072747C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995613A (en) * | 2012-12-17 | 2013-03-27 | 中国水电顾问集团贵阳勘测设计研究院 | Connection method and structure for casting wall body and plate girder of powerhouse of hydropower station by stages |
| CN104088295A (en) * | 2014-06-12 | 2014-10-08 | 广州市市政工程设计研究院 | Embedded connection structure of enclosure wall and medium plate for cover and excavation top-down method as well as construction method of embedded connection structure |
| CN107524175A (en) * | 2017-09-21 | 2017-12-29 | 中铁第四勘察设计院集团有限公司 | A kind of underground float Structure |
| CN111058479A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear-resistant steel bars |
-
1995
- 1995-09-27 CN CN 95115194 patent/CN1072747C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995613A (en) * | 2012-12-17 | 2013-03-27 | 中国水电顾问集团贵阳勘测设计研究院 | Connection method and structure for casting wall body and plate girder of powerhouse of hydropower station by stages |
| CN104088295A (en) * | 2014-06-12 | 2014-10-08 | 广州市市政工程设计研究院 | Embedded connection structure of enclosure wall and medium plate for cover and excavation top-down method as well as construction method of embedded connection structure |
| CN104088295B (en) * | 2014-06-12 | 2016-04-27 | 广州市市政工程设计研究总院 | The embedded connecting structure of enclosure wall and middle plate and construction method thereof in covered back-digging |
| CN107524175A (en) * | 2017-09-21 | 2017-12-29 | 中铁第四勘察设计院集团有限公司 | A kind of underground float Structure |
| CN111058479A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear-resistant steel bars |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1072747C (en) | 2001-10-10 |
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