CN204456131U - A kind of structural floor that utilizes is as the structural system of horizontal support - Google Patents
A kind of structural floor that utilizes is as the structural system of horizontal support Download PDFInfo
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- CN204456131U CN204456131U CN201520083705.4U CN201520083705U CN204456131U CN 204456131 U CN204456131 U CN 204456131U CN 201520083705 U CN201520083705 U CN 201520083705U CN 204456131 U CN204456131 U CN 204456131U
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Abstract
The utility model belongs to technical field of buildings, refer in particular to a kind of structural floor that utilizes as the structural system of horizontal support, the inwall of foundation ditch is provided with space enclosing structure, be provided with engineering pile foundation in the bottom of foundation ditch and support pile foundation, engineering pile foundation arranges structural column, first steel lattice column, support pile foundation arranges support column, second steel lattice column, first reinforced concrete inner support is provided with in foundation ditch, some roads structural floor and construct simultaneously enclose purlin, structural floor place is provided with the reinforced concrete inner support of simultaneously constructing, the inside wall of space enclosing structure is provided with structure side wall, first steel lattice column is connected with each structural floor of underground, second steel lattice column is connected with each road reinforced concrete inner support, the utility model uses corresponding structural floor as inner support, integral rigidity is large, particularly horizontal in-plane stiffness is very large, can control and reduce space enclosing structure distortion better, increase the safety of foundation ditch, ensure that the construction of base pit engineering is carried out smoothly.
Description
Technical field:
The utility model belongs to technical field of buildings, refers in particular to a kind of structural floor that utilizes as the structural system of horizontal support.
Background technology:
Along with the fast development of urban construction, the problems such as urban land resource is nervous, congested in traffic become increasingly conspicuous, and the development of the underground space becomes inexorable trend.Thereupon; contradiction between underground space development and environmental protection progressively manifests; for solving this contradiction; people set about research Base hole supporting technology and Construction Techniques for Deep Foundation Pit, and along with excavation of foundation pit is more and more darker, area is increasing, design and the construction of foundation pit enclosure structure become increasingly complex; for reducing foundation pit deformation to the impact of surrounding enviroment; the number of plies of inner support also gets more and more, and the ratio that base pit engineering accounts for project total cost is increasing, and resource consumption is larger.Therefore the integrated conduct method that combines with construction method of a kind of space enclosing structure of necessary exploration.
Foundation Design is the most frequently used construction method of excavation of foundation pit along practice construction, and most base pit engineering is all adopt along way construction.It has, and construction is simple, cost is low, and speed is fast, be convenient to the advantages such as big machinery operation.But be reinforced concrete inner support system or bracing members all exists some problems, bracing members construction precision requires higher, by component processing, man's activity degree is larger, careless slightly with the node processing going along with sb. to guard him junction, foundation pit enclosure structure can be caused to produce moderate finite deformation, affect the use of foundation ditch, severe patient affects the construction of Foundation Design; Although reinforced concrete inner support rigidity is larger, effectively can control space enclosing structure distortion in the excavation stage, but need support replacement in the structure construction stage, in support replacement process, space enclosing structure is a kind of new force status, and reinforced concrete inner support needs to cut, affect surrounding environment and waste resource.
Foundation Design reverse construction mainly applies to that foundation ditch is comparatively dark, surrounding environment is complicated, go along with sb. to guard him Deformation control requires higher engineering, namely first construction is gone along with sb. to guard him and central pile, post construction, by certain supplementary means (as increased bracing members etc. in position by calculating), be excavated to absolute altitude at the bottom of every layer of beam slab successively from top to bottom subsequently, to construct this Rotating fields beam slab and inner support, using the inner support of this Rotating fields beam slab as space enclosing structure.
Summary of the invention:
The purpose of this utility model is to provide a kind of safety increasing foundation ditch, reduces surrounding enviroment impact, and what ensure that the construction of base pit engineering carries out smoothly utilizes structural floor as the structural system of horizontal support.
The utility model is achieved in that
A kind of structural floor that utilizes is as the structural system of horizontal support, include foundation ditch, the inwall of foundation ditch is provided with space enclosing structure, be provided with engineering pile foundation in the bottom of foundation ditch and support pile foundation, structural column is arranged on engineering pile foundation, support column is arranged on and supports in pile foundation, the first steel lattice column is provided with in structural column, the second steel lattice column is provided with in support column, the first reinforced concrete inner support that Foundation Design contrary sequence method is constructed is provided with from top to bottom in foundation ditch, some roads structural floor and with first reinforced concrete inner support, what some roads structural floor was constructed simultaneously encloses purlin, described structural floor place is provided with corresponding reinforced concrete inner support, the its corresponding structural floor of described reinforced concrete inner support is constructed simultaneously, the structure side wall that foundation construction constructs from the bottom to top successively along the practice is provided with at the inside wall of space enclosing structure, first steel lattice column is connected with each structural floor of underground, second steel lattice column is connected with each road reinforced concrete inner support.
Above-mentioned space enclosing structure is diaphragm wall or campshed.
Reserved hole of being unearthed in above-mentioned some roads structural floor, hole of being unearthed completes after-pouring in shoveling.
Be embedded with sleeve in above-mentioned reinforced concrete inner support, sleeve is for connecting reinforcing bar when after-pouring of having cut the earth reserves unearthed hole place's structural floor.
Or/and be horizontally disposed with bracing members between adjacent structural floor between above-mentioned first reinforced concrete inner support and the structural floor be adjacent, described bracing members is temporary support.
Above-mentioned enclosing in purlin is embedded with steel bushing and concreting hole, the vertical reinforcement of steel bushing syndeton side wall; Concreting hole is used for pouring structure side wall.
Spacing≤1.0m between above-mentioned concreting hole.
The upper plane of above-mentioned space enclosing structure is provided with capping beam.
The baseplane of above-mentioned foundation ditch is provided with concrete foundation base plate.
Above-mentioned reinforced concrete inner support both sides are provided with the cement mixing pile being not less than 3m the end of to the width on top, and this cement mixing pile and space enclosing structure are constructed simultaneously, are grouser.
The advantage that the utility model is given prominence to compared to existing technology is:
1, the utility model uses corresponding structural floor as inner support, because this structural floor is overall as inner support, integral rigidity is large, particularly horizontal in-plane stiffness is very large, increase a lot with the inner support rigidity designed separately, can control and reduce space enclosing structure distortion better, increase the safety of foundation ditch, ensure that the construction of base pit engineering is carried out smoothly.
2, the utility model adopts reverse construction to underground structural floor, Foundation Design and superstructure can be made to construct, the saving engineering time that can be larger simultaneously, saves operating expenses, thus also saves the total cost of project.
3, the utility model can save dust that the work such as the material of a large amount of inner support, the dismounting avoiding inner support bring and the impact that noise brings to surrounding enviroment, has high financial profit, social benefit is large, environment protecting is good advantage.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the arrangement diagram of first reinforced concrete inner support of the present utility model;
Fig. 3 is the arrangement diagram of first bracing members of the present utility model;
Fig. 4 is the arrangement diagram of second reinforced concrete inner support of the present utility model;
Fig. 5 is the schematic diagram of the second steel lattice column of the present utility model;
Fig. 6 is the 1-1 sectional view of Fig. 5;
Fig. 7 is the schematic diagram of the first steel lattice column of the present utility model;
Fig. 8 is the 2-2 sectional view of Fig. 7;
Fig. 9 is the 3-3 sectional view of Fig. 7;
Figure 10 is structure side wall pouring hole detail drawing of the present utility model.
Detailed description of the invention:
With specific embodiment, the utility model is further described below, see Fig. 1-10:
A kind of structural floor that utilizes is as the structural system of horizontal support, include foundation ditch, the inwall of foundation ditch is provided with space enclosing structure 1, the baseplane of foundation ditch is provided with concrete foundation base plate 2, be provided with engineering pile foundation 28 in the bottom of foundation ditch and support pile foundation 17, structural column 4 is arranged on engineering pile foundation 28, support column 5 is arranged on and supports in pile foundation 29, the first steel lattice column 7 is provided with in structural column 4, the second steel lattice column 6 is provided with in support column 5, the first reinforced concrete inner support 8 that Foundation Design contrary sequence method is constructed is provided with from top to bottom in foundation ditch, some roads structural floor and some roads enclose purlin, enclose purlin to construct to first reinforced concrete inner support 8 or corresponding structural floor simultaneously, enclosing purlin is reinforced concrete fortifield village purlin, structural floor place, each road is provided with corresponding reinforced concrete inner support, the its corresponding structural floor of described reinforced concrete inner support is constructed simultaneously, be provided with at the inside wall of space enclosing structure 1 structure side wall 9, first steel lattice column 7 that foundation construction constructs from the bottom to top successively along the practice to be connected with each Rotating fields floor of underground, the second steel lattice column 6 is connected with each road reinforced concrete support.
Reserved hole 11 of being unearthed in above-mentioned some roads structural floor, hole 11 of being unearthed completes after-pouring in shoveling.
Be embedded with sleeve 12 in above-mentioned some roads structural floor, sleeve 12 is for connecting the reinforcing bar 13 when after-pouring of having cut the earth reserves unearthed hole 11 place's structural floor.
Or/and be horizontally disposed with bracing members between adjacent structural floor between above-mentioned first reinforced concrete inner support 8 and the structural floor be adjacent, described bracing members is temporary support.Bracing members should, according to the spacing between beneath cell structure layer, determine whether to need bracing members in conjunction with excavation of foundation pit operating mode as calculated.
Above-mentioned space enclosing structure 1 is diaphragm wall or campshed, also can be that other concrete are gone along with sb. to guard him.
Above-mentioned enclosing in purlin is embedded with steel bushing 14 and concreting hole 15, the vertical reinforcement 16 of steel bushing 14 syndeton side wall 9; Concreting hole 15 is for pouring structure side wall 9.
The upper plane of above-mentioned space enclosing structure 1 is provided with capping beam 18.
Above-mentioned reinforced concrete inner support both sides are provided with the cement mixing pile 3 end of to the not little 3m of width on top, and this cement mixing pile 3 is constructed with space enclosing structure 1 simultaneously, is grouser, is dug up together when cutting the earth.Cement mixing pile 3 is used to consolidated subsoil, increases together the end of to upper support that is to space enclosing structure 1.
Below for the structure of lower four layers of construction ground:
First present case should construct space enclosing structure 1 and Reinforcement with Cement-mixed Piles foundation soil and engineering pile foundation 28 and the first steel lattice column 7, second steel lattice column 6 of supporting pile foundation 17 and being attached thereto.
The inwall of foundation ditch is provided with space enclosing structure 1, and be provided with engineering pile foundation 28 in the bottom of foundation ditch and support pile foundation 17, structural column 4 is arranged on engineering pile foundation 28, support column 5 is arranged on and supports in pile foundation 17, is provided with the first steel lattice column 7, is provided with the second steel lattice column 6 in support column 5, be provided with the first reinforced concrete inner support 8 that Foundation Design contrary sequence method is constructed in foundation ditch from top to bottom in structural column 4, B1 structural floor 19, underground two-layer structure floor 20, F3/B3 structural floor 21, with first reinforced concrete inner support 8, B1 structural floor 19, underground two-layer structure floor 20, also including that F3/B3 structural floor 21 is constructed simultaneously is separately positioned on first reinforced concrete inner support 8, B1 structural floor 19, underground two-layer structure floor 20, the first of F3/B3 structural floor 21 surrounding encloses purlin 22, second encloses purlin 23, 3rd road encloses purlin 24 and the 4th road encloses purlin 25, encloses purlin and play booster action, each road structural floor 19, 20, 21 places are provided with corresponding reinforced concrete inner support, the its corresponding structural floor of described reinforced concrete inner support is constructed simultaneously, the structure side wall 9 that foundation construction constructs from the bottom to top successively along the practice is provided with at the inside wall of space enclosing structure 1, first steel lattice column 7 is connected with each Rotating fields floor of underground, and the second steel lattice column 6 is connected with each road reinforced concrete support.
The concreting hole 15 purlin is all reserved with for pouring structure side wall 9 is enclosed, spacing≤1.0 meter between concreting hole 15 at per pass.
According to construction needs, between first reinforced concrete inner support 8, B1 structural floor 19, be provided with first bracing members 26, first bracing members 26 is temporary support; Between underground two-layer structure floor 20, F3/B3 structural floor 21, be provided with second bracing members 27, second bracing members 27 is temporary support.First bracing members 26, second bracing members 27 are from top to bottom constructed by Foundation Design contrary sequence method successively together with first reinforced concrete inner support 8, B1 structural floor 19, underground two-layer structure floor 20, F3/B3 structural floor 21, sole plate 2 of finally constructing.
Reserved hole 11 of being unearthed in B1 structural floor 19, underground two-layer structure floor 20, F3/B3 structural floor 21, hole 11 of being unearthed completes after-pouring in shoveling.
Per pass structural floor is all embedded with sleeve 12, and sleeve 12 is for connecting the reinforcing bar 13 when after-pouring of having cut the earth reserves unearthed hole 11 place's structural floor.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; therefore: all equivalence changes done according to shape of the present utility model, structure, principle, all should be covered by within protection domain of the present utility model.
Claims (10)
1. one kind utilizes structural floor as the structural system of horizontal support, it is characterized in that: include foundation ditch, the inwall of foundation ditch is provided with space enclosing structure, be provided with engineering pile foundation in the bottom of foundation ditch and support pile foundation, structural column is arranged on engineering pile foundation, support column is arranged on and supports in pile foundation, the first steel lattice column is provided with in structural column, the second steel lattice column is provided with in support column, the first reinforced concrete inner support that Foundation Design contrary sequence method is constructed is provided with from top to bottom in foundation ditch, some roads structural floor and with first reinforced concrete inner support, what some roads structural floor was constructed simultaneously encloses purlin, described structural floor place is provided with corresponding reinforced concrete inner support, the its corresponding structural floor of described reinforced concrete inner support is constructed simultaneously, the structure side wall that foundation construction constructs from the bottom to top successively along the practice is provided with at the inside wall of space enclosing structure, first steel lattice column is connected with each structural floor of underground, second steel lattice column is connected with each road reinforced concrete inner support.
2. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: described space enclosing structure is diaphragm wall or campshed.
3. a kind of structural floor that utilizes according to claim 1 and 2 is as the structural system of horizontal support, it is characterized in that: reserved hole of being unearthed in described some roads structural floor, hole of being unearthed completes after-pouring in shoveling.
4. a kind of structural floor that utilizes according to claim 3 is as the structural system of horizontal support, it is characterized in that: be embedded with sleeve in described reinforced concrete inner support, sleeve is for connecting reinforcing bar when after-pouring of having cut the earth reserves unearthed hole place's structural floor.
5. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: or/and be horizontally disposed with bracing members between adjacent structural floor between described first reinforced concrete inner support and the structural floor be adjacent, described bracing members is temporary support.
6. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: described enclosing in purlin is embedded with steel bushing and concreting hole, the vertical reinforcement of steel bushing syndeton side wall; Concreting hole is used for pouring structure side wall.
7. a kind of structural floor that utilizes according to claim 6 is as the structural system of horizontal support, it is characterized in that: the spacing≤1.0m between described concreting hole.
8. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: the upper plane of described space enclosing structure is provided with capping beam.
9. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: the baseplane of described foundation ditch is provided with concrete foundation base plate.
10. a kind of structural floor that utilizes according to claim 1 is as the structural system of horizontal support, it is characterized in that: described reinforced concrete inner support both sides are provided with the cement mixing pile being not less than 3m the end of to the width on top, this cement mixing pile and space enclosing structure are constructed simultaneously, are grouser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520083705.4U CN204456131U (en) | 2015-02-06 | 2015-02-06 | A kind of structural floor that utilizes is as the structural system of horizontal support |
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| CN201520083705.4U CN204456131U (en) | 2015-02-06 | 2015-02-06 | A kind of structural floor that utilizes is as the structural system of horizontal support |
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| CN204456131U true CN204456131U (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938663A (en) * | 2017-09-22 | 2018-04-20 | 上海市政工程设计研究总院（集团）有限公司 | The PHC pile piles for passing through agent structure position make support system lattice column connector |
| CN108149707A (en) * | 2017-12-07 | 2018-06-12 | 成都新艺置业有限公司 | A kind of basement building structure and its construction method |
| CN108193695A (en) * | 2018-01-25 | 2018-06-22 | 中铁第六勘察设计院集团有限公司 | A kind of enclosure structure of foundation pit of subway station support and construction method |
-
2015
- 2015-02-06 CN CN201520083705.4U patent/CN204456131U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938663A (en) * | 2017-09-22 | 2018-04-20 | 上海市政工程设计研究总院（集团）有限公司 | The PHC pile piles for passing through agent structure position make support system lattice column connector |
| CN107938663B (en) * | 2017-09-22 | 2024-02-06 | 上海市政工程设计研究总院（集团）有限公司 | PHC pipe pile penetrating through main structure part as supporting system lattice column connector |
| CN108149707A (en) * | 2017-12-07 | 2018-06-12 | 成都新艺置业有限公司 | A kind of basement building structure and its construction method |
| CN108193695A (en) * | 2018-01-25 | 2018-06-22 | 中铁第六勘察设计院集团有限公司 | A kind of enclosure structure of foundation pit of subway station support and construction method |
| CN108193695B (en) * | 2018-01-25 | 2023-08-08 | 中铁第六勘察设计院集团有限公司 | Subway station foundation pit support structure support and construction method |
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