CN208899489U - A kind of partitioned organization of control deep big foundation pit deformation - Google Patents
A kind of partitioned organization of control deep big foundation pit deformation Download PDFInfo
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- CN208899489U CN208899489U CN201821661929.9U CN201821661929U CN208899489U CN 208899489 U CN208899489 U CN 208899489U CN 201821661929 U CN201821661929 U CN 201821661929U CN 208899489 U CN208899489 U CN 208899489U
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- foundation pit
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Abstract
It is a kind of control deep big foundation pit deformation partitioned organization No. two foundation pits, and three's adjacent setting two-by-two are provided between No.1 foundation pit and No. three foundation pits the utility model relates to deep big foundation pit construction work technical field；Several reinforced concrete support columns are fixedly installed on the inner sidewall of No.1 foundation pit, No. two foundation pits and No. three foundation pits；The inner sidewall upper portion clips of reinforced concrete support column are equipped with No.1 steel purlin, are provided with No. two steel purlins below No.1 steel purlin；Several support beams are fixedly installed on No.1 foundation pit and No. three foundation pits；The bottom of support beam is provided with several steel columns, and the upper end of steel column is fixedly connected by fixed device with the bottom of support beam, and the bottom end of steel column passes through the fixed upper end for being plugged in concrete column after bottom plate；Influence when can reduce foundation pit construction to ambient enviroment, while the deformation of deep big foundation pit can be controlled, working sources input amount is small, substantially increases the safety coefficient of foundation pit construction, practical.
Description
Technical field
The utility model relates to deep big foundation pit construction work technical fields, and in particular to a kind of to control what deep big foundation pit deformed
Partitioned organization.
Background technique
Excavation of foundation pit will lead to the stress field of foundation pit and surrounding soil, displacement field changes, native around foundation pit and foundation pit
The displacement of body intuitively shows as the vertical deformation inside and outside foundation pit and the lateral deformation of building enclosure；In soft clay area, construction is deep big
When foundation pit, other than the intensity of deep big foundation pit to be met itself and safety, more important is control deep big foundation pit excavations to be produced
Raw deformation, to meet the protection requirement of deep big foundation pit surrounding enviroment；The suitable subregion of the deep big foundation pit of overlarge area goes along with sb. to guard him and constructs,
To reduce engineering risk and environmental risk；Hole construction method is divided to refer to situations such as digging depth, field construction condition according to foundation pit, by foundation pit
Several pieces are divided into, dividing wall is set between block and block, presses the principle of " it is small for becoming larger, and is broken the whole up into parts ", piecemeal carries out supporting, soil
Side is excavated and the construction of underground structure；But in the prior art point of hole construction method have be affected to foundation pit surrounding environment,
Bigger, base pit engineering the safety of investment of working sources is not able to satisfy construction requirement etc., it would be highly desirable to improve.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed
Reason, a kind of partitioned organization of control deep big foundation pit deformation easy to use, to ambient enviroment when can reduce foundation pit construction
It influences, while the deformation of deep big foundation pit can be controlled, working sources input amount is small, substantially increases the safety system of foundation pit construction
Number, it is practical.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes No.1 foundation pit, No. two foundation pits, three
Number foundation pit；No. two foundation pits, and three's adjacent setting two-by-two are provided between No.1 foundation pit and No. three foundation pits；No.1 foundation pit, No. two
Several reinforced concrete support columns, and the bottom of reinforced concrete support column are fixedly installed on the inner sidewall of foundation pit and No. three foundation pits
Portion is plugged in the bottom of No.1 foundation pit, No. two foundation pits and No. three foundation pits；The inner sidewall upper portion clips of reinforced concrete support column
Equipped with No.1 steel purlin, No. two steel purlins are provided with below No.1 steel purlin, and No. two steel purlin hoops are located at armored concrete
On the inner sidewall of support column；Be fixedly installed several support beams on No.1 foundation pit and No. three foundation pits, the both ends of support beam with
No.1 steel purlin is fixedly connected；Bottom plate is fixedly installed on the ground of No.1 foundation pit and No. three foundation pits, the bottom fixation of bottom plate is set
It is equipped with concrete column；The bottom of support beam is provided with several steel columns, and the upper end of steel column passes through fixed device and support
The bottom of crossbeam is fixedly connected, and the bottom end of steel column passes through the fixed upper end for being plugged in concrete column after bottom plate；Steel column
Bottom fixing sleeve is equipped with anchor block；The bottom of No. two steel purlins is fixedly installed several diagonal braces, and the bottom end of diagonal brace and anchor block are solid
Fixed connection；Corner supports beam is fixedly installed on two angles on the right side of No. three foundation pits, both ends and the No.1 steel of corner supports beam enclose
Purlin is fixedly connected.
Further, No. two elongated settings of foundation pit.
Further, the area of the No.1 foundation pit and No. three foundation pits is all larger than the area setting of No. two foundation pits.
Further, the support beam is the setting of reclinate Curved beam.
Further, the fixation device includes upper locking cap, lower locking cap, five jiaos of nuts, fastening nut, screw rods；
The top of upper locking cap is fixed at the bottom of support beam；The bottom of lower locking cap is fixed at the upper end of steel column；
The upper end of screw rod is provided with five jiaos of nuts, the fixed lower part for being plugged in locking cap of five jiaos of nuts by bearing；The middle part of screw rod
Fixing sleeve is equipped with fastening nut；The bottom end of screw rod is located at steel column upper end by the middle part back spin that screw thread rotation passes through lower locking cap
Threaded hole in.
After adopting the above structure, the utility model has the beneficial effect that a kind of control deep big foundation pit described in the utility model
The partitioned organization of deformation, influence when can reduce foundation pit construction to ambient enviroment, while the change of deep big foundation pit can be controlled
Shape, working sources input amount is small, substantially increases the safety coefficient of foundation pit construction, practical, and the utility model has structure
Simply, the advantages that setting is reasonable, low manufacture cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view in the portion A-A of Fig. 1.
Fig. 3 is the portion the B enlarged diagram in Fig. 2.
Description of symbols:
5, No. two foundation pit 2, three of No.1 foundation pit 1, two foundation pit 3, reinforced concrete support column 4, No.1 steel purlin steel enclose
Purlin 6, support beam 7, bottom plate 8, concrete column 9, steel column 10, fixed device 11, upper locking cap 11-1, lower locking cap 11-
2, five jiaos of nut 11-3, fastening nut 11-4, screw rod 11-5, anchor block 12, diagonal brace 13, corner supports beam 14.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
Referring to as shown in Figure 1-Figure 3, present embodiment the technical solution adopted is that: it includes No.1 foundation pit 1, two
2, No. three foundation pits 3 of foundation pit；No. two foundation pits 2, and three's adjacent setting two-by-two are provided between No.1 foundation pit 1 and No. three foundation pits 3, it will
One deep big foundation pit is divided into three adjacent foundation pits and constructs；The inner sidewall of No.1 foundation pit 1, No. two foundation pit 2 and No. three foundation pits 3
On be fixedly installed several reinforced concrete support columns 4, and the bottom of reinforced concrete support column 4 is plugged in No.1 foundation pit 1, two
The bottom of number foundation pit 2 and No. three foundation pits 3, reinforced concrete support column 4 is using deposited reinforced concrete pile；Armored concrete
The inner sidewall upper portion of support column 4 is bolted hoop and is equipped with No.1 steel purlin 5, and the lower section of No.1 steel purlin 5 is provided with No. two
Steel purlin 6, and No. two steel purlins 6 are located on the inner sidewall of reinforced concrete support column 4 by bolt hoop；No.1 foundation pit 1 and three
Several support beams 7 are fixedly installed on number foundation pit 3, the number of support beam 7 is according to live No.1 foundation pit 1 and No. three foundation pits 3
Length determined that both ends and the No.1 steel purlin 5 of support beam 7 are fixedly welded；The ground of No.1 foundation pit 1 and No. three foundation pits 3
Bottom plate 8 is fixedly installed on face, bottom plate 8 is fixedly installed concrete column 9 using cast-in-place concrete, the bottom of bottom plate 8,
Concrete column 9 is using cast-in-place concrete construction；The bottom of support beam 7 is provided with several steel columns 10, steel column 10
Upper end be fixedly connected by fixed device 11 and bolt with the bottom of support beam 7, the bottom end of steel column 10 is after bottom plate 8
The fixed upper end for being plugged in concrete column 9, facilitates and is attached steel column 10 and concrete column 9；The bottom of steel column 10
Portion's fixing sleeve is equipped with anchor block 12；The bottom of No. two steel purlins 6 is fixedly installed several diagonal braces 13, the bottom end of diagonal brace 13 and fixation
Pier 12 is fixedly connected, and the number of support beam 7 is determined according to the length of live No.1 foundation pit 1 and No. three foundation pits 3；No. three bases
Corner supports beam 14, the both ends of corner supports beam 14 and the fixed weldering of No.1 steel purlin 5 are fixedly installed on two angles on 3 right side of hole
It connects.
Further, the elongated setting of No. two foundation pits 2, general foundation pit deformation occur in the long side of foundation pit,
The long side of foundation pit can be splitted in this way.
Further, the area of the No.1 foundation pit 1 and No. three foundation pits 3 is all larger than the area setting of No. two foundation pits 2, energy
The duration of enough main structures for shortening engineering to greatest extent.
Further, the support beam 7 is the setting of reclinate Curved beam, can generate enough stress and resist
Foundation pit deformation.
Further, the fixation device 11 include upper locking cap 11-1, lower locking cap 11-2, five jiaos of nut 11-3,
Fastening nut 11-4, screw rod 11-5；The top of upper locking cap 11-1 is bolted the bottom that support beam 7 is arranged in；Under
The bottom of locking cap 11-2 is bolted the upper end that steel column 10 is arranged in；The upper end of screw rod 11-5 is provided with by bearing
The inner sidewall of five jiaos of nut 11-3, bearing are fixedly connected with screw rod 11-5, and bearing lateral wall is fixedly connected with five jiaos of nut 11-3,
The fixed lower part for being plugged in locking cap 11-1 five jiaos of nut 11-3；It is fixedly welded in the middle part of screw rod 11-5 and is arranged with fastening nut
11-4；The bottom end of screw rod 11-5 is located at the spiral shell of 10 upper end of steel column by screw thread rotation across the middle part back spin of lower locking cap 11-2
It is easy to disassemble in pit.
The working principle of this specific embodiment:: when deep big foundation pit is constructed, deep big foundation pit has been divided into No.1 base
Cheat 1, No. two foundation pit 2 and No. three foundation pits 3；No.1 foundation pit 1 and No. three foundation pits 3 set up separately in the two sides of No. two foundation pits 2, in construction,
No.1 foundation pit 1 and No. three foundation pits 3 are first excavated, four peripheral walls of No.1 foundation pit 1 and No. three foundation pits 3 are then tightened into close vertical fixation and are set
Several reinforced concrete support columns 4 are equipped with, reinforced concrete support column 4 facilitates No.1 using the casting method of bored concrete pile
Four peripheral walls of foundation pit 1 and No. three foundation pits 3 are unlikely to deform；Then bottom plate is poured on the inner bottom surface of No.1 foundation pit 1 and No. three foundation pits 3
8 and concrete column 9, it plugs on concrete column 9 and is fixed with steel column 10, a part of the lower end of steel column 10, which is set, to be plugged in
Inside the upper end of concrete column 9；Then No.1 steel purlin 5 and No. two steel purlins 6 are fixed, convenient for reinforced concrete support column
4 are fixed, and then install support beam 7, are fixed 10 upper end of steel column and the bottom of support beam 7 by fixed device 11
Connection, and screw rod 11-5 disassembly easy to connect；It is fixed by diagonal brace 13, can effectively prevent No.1 foundation pit 1 and No. three bases
3 deformation of hole；Until after No.1 foundation pit 1 and No. three 3 supportings of foundation pit, then excavating No. two foundation pits 2.
After adopting the above structure, present embodiment has the beneficial effect that a kind of control described in present embodiment
The partitioned organization of deep big foundation pit deformation, influence when can reduce foundation pit construction to ambient enviroment, while can control deep big
The deformation of foundation pit, working sources input amount is small, substantially increases the safety coefficient of foundation pit construction, practical, the utility model
It is simple with structure, setting rationally, the advantages that low manufacture cost.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of partitioned organization of control deep big foundation pit deformation, it is characterised in that: it includes No.1 foundation pit (1), No. two foundation pits
(2), No. three foundation pits (3)；No. two foundation pits (2) are provided between No.1 foundation pit (1) and No. three foundation pits (3), and three is adjacent two-by-two
Setting；Several armored concrete branch are fixedly installed on the inner sidewall of No.1 foundation pit (1), No. two foundation pits (2) and No. three foundation pits (3)
Dagger (4), and the bottom of reinforced concrete support column (4) is plugged in No.1 foundation pit (1), No. two foundation pits (2) and No. three foundation pits (3)
Bottom；The inner sidewall upper portion clips of reinforced concrete support column (4) are equipped with No.1 steel purlin (5), No.1 steel purlin (5)
Lower section is provided with No. two steel purlins (6), and No. two steel purlin (6) hoops are located on the inner sidewall of reinforced concrete support column (4)；One
It is fixedly installed several support beams (7) on number foundation pit (1) and No. three foundation pits (3), both ends and the No.1 steel of support beam (7) enclose
Purlin (5) is fixedly connected；Bottom plate (8), the bottom of bottom plate (8) are fixedly installed on the ground of No.1 foundation pit (1) and No. three foundation pits (3)
It is fixedly installed concrete column (9)；The bottom of support beam (7) is provided with several steel columns (10), steel column (10) it is upper
End is fixedly connected by fixed device (11) with the bottom of support beam (7), and it is solid afterwards that the bottom end of steel column (10) passes through bottom plate (8)
Surely it is plugged in the upper end of concrete column (9)；The bottom fixing sleeve of steel column (10) is equipped with anchor block (12)；No. two steel purlins
(6) bottom is fixedly installed several diagonal braces (13), and the bottom end of diagonal brace (13) is fixedly connected with anchor block (12)；No. three foundation pits
(3) it is fixedly installed corner supports beam (14) on two angles on the right side of, the both ends of corner supports beam (14) and No.1 steel purlin (5)
It is fixedly connected.
2. a kind of partitioned organization of control deep big foundation pit deformation according to claim 1, it is characterised in that: described No. two
Foundation pit (2) elongated setting.
3. a kind of partitioned organization of control deep big foundation pit deformation according to claim 1, it is characterised in that: the No.1
Foundation pit (1) and the area of No. three foundation pits (3) are all larger than the area setting of No. two foundation pits (2).
4. a kind of partitioned organization of control deep big foundation pit deformation according to claim 1, it is characterised in that: the support
Crossbeam (7) is the setting of reclinate Curved beam.
5. a kind of partitioned organization of control deep big foundation pit deformation according to claim 1, it is characterised in that: the fixation
Device (11) includes upper locking cap (11-1), lower locking cap (11-2), five jiaos of nuts (11-3), fastening nut (11-4), screw rod
(11-5)；The top of upper locking cap (11-1) is fixed at the bottom of support beam (7)；The bottom of lower locking cap (11-2) is solid
Upper end of the fixed setting in steel column (10)；The upper end of screw rod (11-5) is provided with five jiaos of nuts (11-3), five jiaos of spiral shells by bearing
The fixed lower part for being plugged in locking cap (11-1) of cap (11-3)；The middle part fixing sleeve of screw rod (11-5) is equipped with fastening nut (11-
4)；Middle part back spin of the bottom end of screw rod (11-5) by screw thread rotation across lower locking cap (11-2) is located at steel column (10) upper end
Threaded hole in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661929.9U CN208899489U (en) | 2018-10-15 | 2018-10-15 | A kind of partitioned organization of control deep big foundation pit deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661929.9U CN208899489U (en) | 2018-10-15 | 2018-10-15 | A kind of partitioned organization of control deep big foundation pit deformation |
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| CN208899489U true CN208899489U (en) | 2019-05-24 |
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| CN201821661929.9U Expired - Fee Related CN208899489U (en) | 2018-10-15 | 2018-10-15 | A kind of partitioned organization of control deep big foundation pit deformation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644495A (en) * | 2019-09-24 | 2020-01-03 | 中天建设集团有限公司 | Strip-drawing excavation construction method |
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2018
- 2018-10-15 CN CN201821661929.9U patent/CN208899489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644495A (en) * | 2019-09-24 | 2020-01-03 | 中天建设集团有限公司 | Strip-drawing excavation construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20201015 |