CN203583495U - Double-row pile structure by utilization of existing adjoining building slope protection pile - Google Patents
Double-row pile structure by utilization of existing adjoining building slope protection pile Download PDFInfo
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- CN203583495U CN203583495U CN201320746491.5U CN201320746491U CN203583495U CN 203583495 U CN203583495 U CN 203583495U CN 201320746491 U CN201320746491 U CN 201320746491U CN 203583495 U CN203583495 U CN 203583495U
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Abstract
A double-row pile structure by the utilization of an existing adjoining building slope protection pipe comprises a newly built slope protection pile and a newly built slope protection pile top beam. A connecting beam is rigidly connected to one side, away from a newly built building foundation pit, of the newly built slope protection pile top beam and also rigidly connected with an existing adjoining building slope protection pile top beam which is buried under the ground before the newly built building foundation pit is excavated. The existing adjoining building slope protection top beam is also rigidly connected to the top of the existing adjoining building slope protection pile which is buried under the ground before the newly built building foundation pit is excavated. The newly built slope protection pile and the newly built slope protection top beam are connected with the existing adjoining building slope protection pile and the existing adjoining building sloe protection pile top beam through the connecting beam to form the double-row pile structure. The already abandoned existing adjoining building slope protection pile and the top beam are utilized, so that steel bars and concrete material are saved, piling machine and labor cost are saved, the construction period can be greatly shortened, and the narrow construction space of the newly built building foundation pit is effectively utilized.
Description
Technical field
The utility model relates to a kind of building foundation pit supporting system.
Background technology
In building foundation pit supporting design and construction, common are supporting type and the wherein combinations of two or more supporting type such as (compound) plate brad supporting, the supporting of stake (wall) anchor, stake (wall) support supporting, the pattern foundation pit supporting structure of current most object of construction production adopts above-mentioned supporting type.
In recent years, along with the quickening of urban construction process, in urban district, building sharply increases, building density is more and more high, land resources is more and more nervous, and ground, the underground space that utilizes are fewer and feweri, much plan to build building and seize every opportunity, be forced in existing building side and build very nearby apart from existing building, so also cause following problems when making full use of soil:
(1) due to newly-started building foundation pit next-door neighbour existing building, cause the slope support method of new building foundation ditch to be difficult to choose, can not take to put slope excavation, can not carry out again (compound) plate brad supporting.
(2) if take the measures such as pile-anchor retaining or joist anchor supporting, because the restriction in soil body space behind slope is (because of the restriction on existing building basis, behind slope, soil body width is limited), so anchor pole angle is larger, supporting effect is poor, and some side slopes anchor pole of at all cannot constructing, in such cases, although feasible in employing inner support scheme, its implementation cost is higher, operation is numerous and diverse, the construction period is longer, serious to soil excavation and main structure body construction infection.
(3) in recent years, Double-row-piles Structure has obtained certain development, have some superiority, but the support cost of traditional Double-row-piles Structure is high in next-door neighbour's existing building foundation pit stope support, and after rear campshed applies and is subject to side slope, ambient influnence is larger.
With regard to present circumstances, see, the many next-door neighbour's existing building excavation slope engineerings that completed or built, its supporting effect is all not satisfactory, slope deforming is larger, particularly the foundation ditch accident of top, slope distortion and so on happens occasionally, so for the defect of above-mentioned all kinds supporting and protection structure self, do not find temporarily can be used for the limited next-door neighbour's existing building foundation ditch of the underground space, there is good supporting effect not only but also can have easy construction concurrently and the simple New Supporting pattern of operation.
Utility model content
The purpose of this utility model is to provide a kind of Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile, solve that the construction of traditional Double-row-piles Structure is loaded down with trivial details, complex procedures and the too high technical barrier of construction cost.
For achieving the above object, the utility model adopts following technical scheme: a kind of Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile, comprise the newly-built slope protection pile and a newly-built slope protection pile stake apical cap beam pushing up that is rigidly attached to newly-built slope protection pile at the excavation slope place that is positioned at new building foundation ditch, it is characterized in that: newly-built slope protection pile stake apical cap beam is connected to coupling beam away from a side rigid connecting of new building foundation ditch, coupling beam again with before new building excavation of foundation pit, be just embedded in underground existing next-door neighbour and build slope protection pile stake apical cap beam and be rigidly connected, existing next-door neighbour builds slope protection pile stake apical cap beam and is rigidly attached to again the stake top of building slope protection pile before new building excavation of foundation pit with regard to being embedded in underground existing next-door neighbour, newly-built slope protection pile and newly-built slope protection pile stake apical cap beam are built slope protection pile and existing next-door neighbour by coupling beam and existing next-door neighbour and are built slope protection pile stake apical cap beam and be connected, thereby formed Double-row-piles Structure.
One end of described coupling beam is rigidly attached to the connected node place of newly-built slope protection pile and newly-built slope protection pile stake apical cap beam, and the other end of coupling beam is rigidly attached to the connected node place that existing next-door neighbour builds slope protection pile and existing next-door neighbour builds slope protection pile stake apical cap beam.
Together with one end of described coupling beam is cast in newly-built slope protection pile stake apical cap beam, the other end of coupling beam and existing next-door neighbour build together with slope protection pile stake apical cap beam is cast in.
Compared with prior art the utlity model has following characteristics and beneficial effect;
The present invention has adopted Double-row-piles Structure, and the underground space that can reduce to take is like this applicable to the limited new building foundation ditch that is being close to existing building of the underground space that common pile-anchor supporting system cannot be applied.
Existing next-door neighbour's building foundation pit (foundation ditch excavating while building existing building, also can be existing building foundation ditch) the existing next-door neighbour that imbeds when excavation construction builds slope protection pile and Guan Liang (slope protection pile of imbedding while excavating existing next-door neighbour's building foundation pit and Guan Liang thereof, also can be the stake of existing building foundation pit slope protection and Guan Liang thereof), only during existing next-door neighbour's building foundation pit excavation, play a role, after completion of works, these existing next-door neighbours build slope protection pile and Guan Liang is often put aside as useless, buried underground, cause huge waste of material, simultaneously, new building foundation ditch (the new foundation ditch that is being close to existing building of building on existing building side) is during at excavation construction, these existing next-door neighbours build slope protection pile and Guan Liang thereof and have further dwindled the limited construction space of new building foundation ditch, new support construction in new building foundation ditch is caused to obstacle and restriction.And the utility model has utilized these existing next-door neighbours that put aside as useless to build slope protection pile and Guan Liang thereof, the benefit one of design is to apply separately rear campshed like this, so save reinforcing bar and concrete material, stake machine and labour cost have been saved, and the construction period can be shortened greatly, the 2nd, the existing next-door neighbour who has been put aside as useless is built to slope protection pile and Guan Liang is turned waste into wealth, effectively utilized new building foundation ditch this with regard to narrow and small construction space.
All working procedures of the present utility model are all at ground construction, compared with traditional supporting and protection structure, have avoided the crossed construction in hole, have shortened the duration, have simplified operation, have improved safety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is facade structures schematic diagram of the present utility model.
Fig. 2 is layout schematic diagram of the present utility model.
The newly-built slope protection pile of Reference numeral: 1-, the newly-built slope protection pile stake of 2-apical cap beam, the existing next-door neighbour of 3-build slope protection pile, the existing next-door neighbour of 4-and build the connected node of soil layer, 7-existing building basis, 8-coupling beam and rear campshed apical cap beam under slope protection pile stake apical cap beam, 5-coupling beam, 6-substrate.
The specific embodiment
Embodiment is referring to shown in Fig. 1, Fig. 2, and this Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile comprises the newly-built slope protection pile 1 at the excavation slope place that is positioned at new building foundation ditch and is rigidly attached to the newly-built slope protection pile stake apical cap beam 2 on the stake top of newly-built slope protection pile.
Newly-built slope protection pile stake apical cap beam 2 is connected to coupling beam 5 away from a side rigid connecting of new building foundation ditch, coupling beam 5 again with before new building excavation of foundation pit, be just embedded in underground existing next-door neighbour and build slope protection pile stake apical cap beam 4 and be rigidly connected, existing next-door neighbour builds slope protection pile stake apical cap beam 4 and is rigidly attached to again the stake top of building slope protection pile 3 before new building excavation of foundation pit with regard to being embedded in underground existing next-door neighbour, newly-built slope protection pile 1 and newly-built slope protection pile stake apical cap beam 2 are built slope protection pile 3 and existing next-door neighbour by coupling beam 5 and existing next-door neighbour and are built slope protection pile stake apical cap beam 4 and be connected, thereby formed Double-row-piles Structure.
Described existing next-door neighbour builds slope protection pile 3 and existing next-door neighbour builds the supporting and protection structure applying when slope protection pile stake apical cap beam 4 is existing next-door neighbour's building foundation pit excavation, before new building excavation of foundation pit, just exist, existing next-door neighbour builds slope protection pile 3 and at its top, builds slope protection pile stake apical cap beam 4 with existing next-door neighbour and be connected.
Described newly-built slope protection pile 1 and newly-built slope protection pile stake apical cap beam 2 are the supporting and protection structure newly applying for new building excavation of foundation pit, and newly-built slope protection pile 1 is connected with newly-built slope protection pile stake apical cap beam 2 at its top.
Described coupling beam 5 is also the syndeton newly applying for new building excavation of foundation pit, for providing newly-built slope protection pile stake apical cap beam 2 and existing next-door neighbour to build being rigidly connected of slope protection pile stake apical cap beam 4.
Described newly-built slope protection pile 1 stretches under substrate in soil layer 6, concrete stake footpath, stake are long should be after consideration campshed in the situation that, according to soil layer property, every stability requirement and internal force, distortion calculative determination, the height that newly-built slope protection pile stake apical cap beam 2 is stretched on the stake top of newly-built slope protection pile 1 meets national sector standard, as 50mm.Newly-built slope protection pile 1 is square slope protection pile, circular slope protection pile or other special-shaped slope protection pile, and the stake type of newly-built slope protection pile 1 adopts general stake type at present, as steel sheet pile, reinforced concrete pile and steel tube concrete pile etc.It is definite that the construction method of newly-built slope protection pile 1 is looked stake type, soil layer situation and surrounding enviroment that design adopts, is generally mechanical hole building (long spiral, revolve and the construction method such as dig).
Described coupling beam 5 is for being also front campshed by newly-built slope protection pile 1() and existing next-door neighbour build slope protection pile 3(and also can be rear campshed) be connected to become entirety, coupling beam 5 is reinforced concrete structure, the horizontal plane arrangement form (being the pattern of coupling beam 5) of coupling beam 5 is definite by designing depending on loading characteristic, in the present embodiment, newly-built slope protection pile stake apical cap beam 2, coupling beam 5 and existing next-door neighbour build slope protection pile stake apical cap beam 4 and have formed rectangular frame form.
In the present embodiment, one end of coupling beam 5 is rigidly attached to the connected node place of newly-built slope protection pile 1 and newly-built slope protection pile stake apical cap beam 2, and the other end of coupling beam 5 is rigidly attached to the connected node place that existing next-door neighbour builds slope protection pile 3 and existing next-door neighbour builds slope protection pile stake apical cap beam 4.
In the present embodiment, together with one end of coupling beam 5 is cast in newly-built slope protection pile stake apical cap beam 2, the other end of coupling beam 5 and existing next-door neighbour build together with slope protection pile stake apical cap beam 4 is cast in.
Referring to Fig. 1, in the present embodiment, every a newly-built slope protection pile 1, a coupling beam 5 is set.
Referring to Fig. 1, during construction, described existing next-door neighbour builds slope protection pile stake apical cap beam 4(also can be rear campshed Guan Liang) need cut the concrete (being coupling beam in Fig. 1 and the connected node 8 of rear campshed apical cap beam) of the part being connected with coupling beam 5, to arrange coupling beam stirrup and main muscle, guarantee that both are rigidly connected; Coupling beam 5, newly-built slope protection pile stake apical cap beam 2(also can be front-seat dowel crown beam) cross section and arrangement of reinforcement should pass through internal force calculative determination, and should meet the requirement of related specifications structure; Existing next-door neighbour builds that slope protection pile stake apical cap beam 4 has cut the part that is connected with coupling beam 5, coupling beam 5 should arrange after corresponding main muscle and stirrup with newly-built slope protection pile stake apical cap beam 2 simultaneously, and integral cast-in-situ moulding is rigidly connected guaranteeing.
The utility model can be implemented by following steps: the first, discharge 1 site of newly-built slope protection pile (campshed stake site).The second, carry out newly-built slope protection pile 1 and construct.The 3rd, cut existing next-door neighbour and build the concrete of the part being connected with coupling beam 4 on slope protection pile stake apical cap beam 4.The 4th, arrange the reinforcing bar of newly-built slope protection pile 1 and coupling beam 5.The 5th, newly-built slope protection pile 1, coupling beam 5 integral cast-in-situ moulding, and make coupling beam 5 and existing next-door neighbour build slope protection pile stake apical cap beam 4 to build integral.The 6th, start to carry out the soil excavation of new building foundation ditch.
Content described in this manual embodiment is only enumerating of way of realization to utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also and in those skilled in the art, according to the utility model, conceive the equivalent technologies means that can expect.
Claims (3)
1. a Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile, comprise the newly-built slope protection pile (1) at the excavation slope place that is positioned at new building foundation ditch and be rigidly attached to the newly-built slope protection pile stake apical cap beam (2) on the stake top of newly-built slope protection pile, it is characterized in that: newly-built slope protection pile stake apical cap beam (2) is connected to coupling beam (5) away from a side rigid connecting of new building foundation ditch, coupling beam (5) again with before new building excavation of foundation pit, be just embedded in underground existing next-door neighbour and build slope protection pile stake apical cap beam (4) and be rigidly connected, existing next-door neighbour builds slope protection pile stake apical cap beam (4) and is rigidly attached to again the stake top of building slope protection pile (3) before new building excavation of foundation pit with regard to being embedded in underground existing next-door neighbour, newly-built slope protection pile (1) and newly-built slope protection pile stake apical cap beam (2) are built slope protection pile (3) and existing next-door neighbour by coupling beam (5) and existing next-door neighbour and are built slope protection pile stake apical cap beam (4) and be connected, thereby formed Double-row-piles Structure.
2. a kind of Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile according to claim 1, it is characterized in that: one end of described coupling beam (5) is rigidly attached to the connected node place of newly-built slope protection pile (1) and newly-built slope protection pile stake apical cap beam (2), and the other end of coupling beam (5) is rigidly attached to the connected node place that existing next-door neighbour builds slope protection pile (3) and existing next-door neighbour builds slope protection pile stake apical cap beam (4).
3. a kind of Double-row-piles Structure that utilizes existing next-door neighbour to build slope protection pile according to claim 1, it is characterized in that: together with one end of described coupling beam (5) is cast in newly-built slope protection pile stake apical cap beam (2), the other end of coupling beam (5) and existing next-door neighbour build together with slope protection pile stake apical cap beam (4) is cast in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320746491.5U CN203583495U (en) | 2013-11-25 | 2013-11-25 | Double-row pile structure by utilization of existing adjoining building slope protection pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320746491.5U CN203583495U (en) | 2013-11-25 | 2013-11-25 | Double-row pile structure by utilization of existing adjoining building slope protection pile |
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| CN203583495U true CN203583495U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320746491.5U Expired - Fee Related CN203583495U (en) | 2013-11-25 | 2013-11-25 | Double-row pile structure by utilization of existing adjoining building slope protection pile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544560A (en) * | 2016-02-03 | 2016-05-04 | 华侨大学 | Beam-type connecting node for special-shaped double-row piles |
| CN106400814A (en) * | 2016-11-11 | 2017-02-15 | 天脊煤化工集团股份有限公司 | Foundation pit supporting method |
| CN107700500A (en) * | 2017-09-14 | 2018-02-16 | 深圳百勤建设工程有限公司 | Slope retaining structure and slope supporting draining integral system |
| CN109024609A (en) * | 2018-08-01 | 2018-12-18 | 中南大学 | A kind of foundation pit supporting construction and its construction method based on old campshed |
| CN109487748A (en) * | 2018-06-02 | 2019-03-19 | 深圳市深水水务咨询有限公司 | Nearby Structure depth riverbed quaywall supporting construction and construction method |
| CN110777809A (en) * | 2019-11-15 | 2020-02-11 | 浙江交工集团股份有限公司 | Deep foundation pit combined support adjacent to existing building and construction method thereof |
-
2013
- 2013-11-25 CN CN201320746491.5U patent/CN203583495U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544560A (en) * | 2016-02-03 | 2016-05-04 | 华侨大学 | Beam-type connecting node for special-shaped double-row piles |
| CN106400814A (en) * | 2016-11-11 | 2017-02-15 | 天脊煤化工集团股份有限公司 | Foundation pit supporting method |
| CN106400814B (en) * | 2016-11-11 | 2021-03-16 | 天脊煤化工集团股份有限公司 | Foundation pit supporting method |
| CN107700500A (en) * | 2017-09-14 | 2018-02-16 | 深圳百勤建设工程有限公司 | Slope retaining structure and slope supporting draining integral system |
| CN107700500B (en) * | 2017-09-14 | 2019-06-18 | 深圳百勤建设工程有限公司 | Slope retaining structure and slope supporting drain integral system |
| CN109487748A (en) * | 2018-06-02 | 2019-03-19 | 深圳市深水水务咨询有限公司 | Nearby Structure depth riverbed quaywall supporting construction and construction method |
| CN109024609A (en) * | 2018-08-01 | 2018-12-18 | 中南大学 | A kind of foundation pit supporting construction and its construction method based on old campshed |
| CN110777809A (en) * | 2019-11-15 | 2020-02-11 | 浙江交工集团股份有限公司 | Deep foundation pit combined support adjacent to existing building and construction method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141125 |
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| EXPY | Termination of patent right or utility model |