CN202925551U - Foundation pit brace replacing and construction structure at irregular place of ramp - Google Patents
Foundation pit brace replacing and construction structure at irregular place of ramp Download PDFInfo
- Publication number
- CN202925551U CN202925551U CN 201220677365 CN201220677365U CN202925551U CN 202925551 U CN202925551 U CN 202925551U CN 201220677365 CN201220677365 CN 201220677365 CN 201220677365 U CN201220677365 U CN 201220677365U CN 202925551 U CN202925551 U CN 202925551U
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- Prior art keywords
- ramp
- support
- foundation pit
- floor
- exterior wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a foundation pit brace replacing and construction structure at an irregular place of a ramp. The foundation pit brace replacing and construction structure comprises a foundation pit arranged at the irregular place of the ramp in the circumference direction, wherein support piles are piled around the side of the foundation pit; an inner support system is connected inside each support pile; a bottom plate for the irregular place of the ramp is laid inside the foundation pit; an inner ramp wall and an outer ramp wall are arranged on the two sides of the bottom plate for the irregular place of the ramp; the top surface of each of the inner and outer ramp walls is higher than the standard height of the bottom of a top plate beam for the ramp; a swinging rib is reserved at the top end of each of the inner and outer ramp walls; a first backfilled earth layer is backfilled between the supporting piles and the outer ramp wall; a first plain concrete conversion plate strip layer is laid on the top of the first backfilled earth layer; a second backfilled earth layer is backfilled on the first plain concrete conversion plate strip layer; and the two ends of each of the beam steels of multiple rows of brace replacing beams arranged at intervals are connected with the inner and outer ramp walls. Due to the adoption of the structure, the brace replacing system is stressed uniformly and stably and has enough strength.
Description
Technical field
The utility model relates to a kind of foundation ditch support replacement constructing structure, relates in particular to the constructing structure of abnormity place, a kind of ramp foundation ditch support replacement.
Background technology
In the Construction of Deep Foundation of highrise building, the foundation pit supporting project construction period is long, and cost is high, is the emphasis stage of whole engineering.The design form of pattern foundation pit supporting structure is more, but is subjected to the restriction of engineering present position and geological conditions, and not only economy but also applicable support form were often few.At present concrete inner support system requires low, easy construction to be applied in more and more in the engineering of deep foundation pit support because of it to surrounding enviroment, but is subjected to the restriction of foundation ditch support system, engineering construction during to certain position the dismounting of inner support be a necessary process.In the construction of basement car ramp, when the ramp was in the special rotating angle place, stressed complexity just need to be carried out special support replacement technology construction to special rotating angle place, ramp, just can carry out the foundation ditch inner support and remove, guarantee ramp construction safety when then carrying out the construction of follow-up ramp.
Learn issued patents by retrieval:
1 application number is that the Chinese patent of CN201010570902.0 discloses " a kind of method of changing support of foundation pit enclosing rib plates ", and the present invention discloses a kind of method of changing support of foundation pit enclosing rib plates, comprises step 1) complete the construction of bracing of foundation pit body of wall; 2) complete the construction of sole plate; 3) along the retaining wall direction, make one perpendicular to the trapezoidal floor of retaining wall, 4 every a segment distance) to construct and enclose purlin, this encloses purlin all floors is coupled together, form wholely, be connected by reserved steel bar or bar planting between trapezoidal floor and retaining wall and sole plate.
2 application numbers are that the Chinese patent of CN201010570914.3 discloses " adopting ring flat-plate to carry out the job practices of base plate of foundation pit support replacement ", the present invention relates to a kind of job practices that adopts ring flat-plate to carry out the base plate of foundation pit support replacement, the steps include: that 1. construct space enclosing structure, support, and cut the earth to the foundation ditch bottom surface; 2. the base section of ring flat-plate, ring beam concrete and central area steel work is poured into a mould in construction; 3. after the concrete strength of ring flat-plate and ring beam reaches requirement, remove the support of base plate top; 4. construction is poured into a mould the base plate of central area and the main body steel work is installed.The method utilizes ring flat-plate and the formed stable force structure of ring beam to carry out the support replacement of base plate, when not yet completing, the central area base plate can carry out the support replacement of base plate, make the construction period of central area peel off out the cycle from the support replacement of base plate, thereby improve efficiency of construction.
3 application numbers are that the Chinese patent of CN201010597363.X discloses " frame type combined support-replacing system and job practices thereof ", the present invention relates to a kind of frame type combined support-replacing system and job practices thereof, comprise lattice column, support, agent structure, support replacement arranges respectively support replacement below original support, form frame type combination support replacement.Frame type combined support-replacing system is that a kind of newly-built support replacement supports the novel support-replacing system that forms the common resisting structure lateral force of frame type combined support in conjunction with original part.It has utilized original part to support, not only reduced newly-built Construction of Supporting workload, but also saved original supporting removal construction period.
4 application numbers are that the Chinese patent of CN201110321079.4 discloses " the fast support replacing job practices in deep-foundation pit engineering ", the invention discloses the fast support replacing job practices in a kind of deep-foundation pit engineering, comprise step 1) first support replacement floor is arranged between basement concrete base plate and foundation pit supporting construction, for the interval arrange a plurality of, the outside of each first support replacement floor is connected with the inboard of foundation pit supporting construction, and the inboard is connected with basement concrete base plate; First support replacement floor and basement concrete base plate are constructed simultaneously, after basement concrete base plate and the form removal of first support replacement floor, remove the most lower one temporary supporting in foundation ditch bottom, the backfill earthwork and compacting between adjacent first support replacement floor; The support replacement floor has two kinds, and the first is horizontal concrete floor, and the second is T shape concrete floor, and the middle riser of T shape concrete floor is vertical with foundation pit supporting construction.The invention also discloses the vertical concrete floor of another kind of employing as the fast support replacing method of support replacement floor.
5 application numbers are that the Chinese patent of CN201210223319.1 discloses " a kind of construction method that utilizes the construction of constructure body structure support replacement ", the present invention relates to a kind of construction method that utilizes the construction of constructure body structure support replacement, this pattern foundation pit supporting structure utilizes steel supporting component two ends to be supported on respectively on foundation pit supporting pile and constructure body structure beam slab, steel supporting component one end encloses purlin by steel and is connected with the structure beam slab with the steel campshed, and adopt at the position, ater-casting, hole and position, ramp arrange the steel work Force transmission parts, thereby foundation ditch is played support action, under this support action, construction foundation pit soldier pile and the agent structure between structure of having finished.
6 application numbers are that the Chinese patent of CN201120403151.3 discloses " a kind of Quick support changing structure for use of deep foundation ditch ", the utility model discloses a kind of Quick support changing structure for use of deep foundation ditch, comprise the first support changing structure for use, the first support changing structure for use comprises the horizontal support replacement concrete of a plurality of firsts floor that is arranged between basement concrete base plate and foundation pit supporting construction, the horizontal support replacement concrete floor of a plurality of firsts interval arranges, the outside of the horizontal support replacement concrete of each first floor is connected mutually with the inboard of foundation pit supporting construction, and the inboard is connected mutually with basement concrete base plate; Backfill has the earthwork between the horizontal support replacement concrete of adjacent first floor.
7 application numbers are that the Chinese patent of CN201120402327.3 discloses " a kind of Quick support changing structure for use for super dark super large foundation pit construction ", the utility model discloses a kind of Quick support changing structure for use for super dark super large foundation pit construction, comprise a plurality of vertical support replacement concrete floor that is arranged between basement wallboard and foundation pit supporting construction, described vertical support replacement concrete floor is vertical with foundation pit supporting construction, a plurality of described vertical support replacement concrete floors interval arranges, the outside of each described vertical support replacement concrete floor is connected with the inboard of foundation pit supporting construction, the inboard is connected with the basement wallboard, backfill has the earthwork between adjacent described vertical support replacement concrete floor.
8 application numbers are that the Chinese patent of CN201020531416.3 discloses " foundation ditch support replacement and bracing demolition constructing structure ", a kind of foundation ditch support replacement and bracing demolition constructing structure, water powder spray piling till the foundation ditch inner peripheral, be bored pile in sealing powder spray piling inboard, inboard for holding stake at bored pile, holding a top is cushion cap, cushion cap top is outer wall of basement, the cushion cap inboard is basement bottom board, described bored pile upper end is provided with Guan Liang, hat beam inboard is connected with inner support, this inner support is passed outer wall of basement, be provided with dark beam in the outer wall of basement in the basement floor floor outside, this dark beam outside is provided with the support replacement beam, this support replacement beam two ends are supported on respectively between bored pile and dark beam.
Although the 1st ~ 8 patent has a series of advantage, but can not solve in the construction of basement car ramp, when the ramp is in the special rotating angle place, the series of problems such as special rotating angle place, ramp special support replacement technology construction during stressed complexity, remove thereby carry out the foundation ditch inner support, then carry out the construction of follow-up ramp and guarantee the ramp construction safety.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, abnormity place, a kind of ramp foundation ditch support replacement constructing structure that provides a kind of stress balance to stablize, have enough intensity, rigidity.
abnormity place, a kind of ramp of the present utility model foundation ditch support replacement constructing structure, it comprises the foundation ditch that is arranged on abnormity place, ramp excircle direction, surrounding at described foundation ditch avris is equipped with soldier pile, be connected with interior support system in described soldier pile inboard, be equipped with abnormity place, ramp base plate in described foundation ditch, be respectively arranged with ramp interior wall and ramp exterior wall in base plate both sides, abnormity place, described ramp, the apical side height of described ramp interior wall and ramp exterior wall is higher than the bottom elevation of ramp top board beam, be reserved with on the top of ramp interior wall and ramp exterior wall and get rid of muscle, backfill has the first floor backfill between described soldier pile and described ramp exterior wall, be equipped with first floor plain concrete conversion strip at the top of first floor backfill, be filled with the second layer backfill last time in first floor plain concrete conversion strip, the beam steel two ends of arranging support replacement beam that interval each other arranges more respectively with described ramp in, exterior wall connects, the cross sections of many row's support replacement beams begin to be gradually to the ramp interior wall from the ramp exterior wall and dwindle.
Adopt the beneficial effect of the utility model structure to be: the cross section of support replacement beam begins to be gradually to the ramp interior wall from the ramp exterior wall and dwindles, the support replacement beam stress is take axial compression as main, so just the suffered power equalization stable of support replacement beam pass to the ramp interior wall, then pass to the slab column of agent structure.Support replacement beam steel two ends are connected with described inner, external wall respectively in addition.Consisted of stable support-replacing system.Then backfill first floor backfill between soldier pile and described exterior wall in addition lays first floor plain concrete conversion strip at the top of first floor backfill, fill out the second layer backfill last time in first floor plain concrete conversion strip.Wholely like this consisted of take support replacement beam, backfill, plain concrete conversion strip as main stable support-replacing system.So the utlity model has the mechanical characteristic that rigidity is large and distortion is little, it can guarantee the safety of ramp construction and the communal facilitys such as peripheral adjacent structure, road and underground utilities.This structure makes the support-replacing system stress balance stablize, have enough intensity, rigidity, guarantees balanced power transmission and the rigidity stability and safety of the support replacement construction at basement car ramp special rotating angle place.
Description of drawings
Fig. 1 is for adopting the scheme of installation of abnormity place, a kind of ramp of the present utility model foundation ditch support replacement constructing structure;
Fig. 2 is for adopting the installation schematic top plan view of abnormity place, a kind of ramp of the present utility model foundation ditch support replacement constructing structure.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to describe in detail.
abnormity place, a kind of ramp of the present utility model foundation ditch support replacement constructing structure as shown in drawings, it comprises the foundation ditch that is arranged on abnormity place, ramp excircle direction, surrounding at described foundation ditch avris is equipped with soldier pile 6, be connected with interior support system 5 in described soldier pile inboard, be equipped with abnormity place, ramp base plate 1 in described foundation ditch, be respectively arranged with ramp interior wall 2-2 and ramp exterior wall 2-1 in base plate both sides, abnormity place, described ramp, the apical side height of described ramp interior wall and ramp exterior wall is higher than the bottom elevation of ramp top board beam 4, be reserved with on the top of ramp interior wall 2-2 and ramp exterior wall 2-1 and get rid of muscle, backfill has the first floor backfill between described soldier pile 6 and described ramp exterior wall 2-1, be equipped with first floor plain concrete conversion strip at the top of first floor backfill, be filled with the second layer backfill last time in first floor plain concrete conversion strip.The beam steel two ends of arranging support replacement beam 3 that interval each other arranges are connected with described ramp inner, external wall respectively more, and the cross section of arranging the support replacement beam begins to be gradually to ramp interior wall 2-2 to dwindle from ramp exterior wall 2-1 more.
The job practices of this structure is: (1) sets soldier pile 6 in abnormity place, ramp excircle direction, and then support system 5 in the inboard connection of soldier pile 6 digs foundation ditch; (2) lay abnormity place, ramp base plate 1 and build the ramp interior wall 2-2 that is positioned at the both sides, ramp and ramp exterior wall 2-1 to the bottom elevation position higher than ramp top board beam 4, reserve on the top of ramp interior wall 2-2 and ramp exterior wall 2-1 simultaneously and get rid of muscle; The reinforcing bar two ends of (3) adopting the bar planting mode will arrange support replacement beam 3 that interval each other arranges are connected with described ramp inner, external wall respectively more; (4) build support replacement beam 3 concrete.The cross section of described many row's support replacement beams 3 begins to be gradually to ramp interior wall 2-2 to dwindle from ramp exterior wall 2-1.(5) then backfill first floor backfill between soldier pile 6 and described exterior wall 2-1 lays first floor plain concrete conversion strip at the top of first floor backfill, be filled with the second layer backfill last time in first floor plain concrete conversion strip.
Claims (1)
1. a ramp abnormity is located foundation ditch support replacement constructing structure, it is characterized in that: it comprises the foundation ditch that is arranged on abnormity place, ramp excircle direction, surrounding at described foundation ditch avris is equipped with soldier pile, be connected with interior support system in described soldier pile inboard, be equipped with abnormity place, ramp base plate in described foundation ditch, be respectively arranged with ramp interior wall and ramp exterior wall in base plate both sides, abnormity place, described ramp, the apical side height of described ramp interior wall and ramp exterior wall is higher than the bottom elevation of ramp top board beam, be reserved with on the top of ramp interior wall and ramp exterior wall and get rid of muscle, backfill has the first floor backfill between described soldier pile and described ramp exterior wall, be equipped with first floor plain concrete conversion strip at the top of first floor backfill, be filled with the second layer backfill last time in first floor plain concrete conversion strip, the beam steel two ends of arranging support replacement beam that interval each other arranges more respectively with described ramp in, exterior wall connects, the cross sections of many row's support replacement beams begin to be gradually to the ramp interior wall from the ramp exterior wall and dwindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677365 CN202925551U (en) | 2012-12-07 | 2012-12-07 | Foundation pit brace replacing and construction structure at irregular place of ramp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677365 CN202925551U (en) | 2012-12-07 | 2012-12-07 | Foundation pit brace replacing and construction structure at irregular place of ramp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925551U true CN202925551U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220677365 Expired - Fee Related CN202925551U (en) | 2012-12-07 | 2012-12-07 | Foundation pit brace replacing and construction structure at irregular place of ramp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202925551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863330A (en) * | 2016-05-25 | 2016-08-17 | 上海建工建集团有限公司 | Sequential construction method for car ramps in reverse construction method |
| CN109944253A (en) * | 2019-03-26 | 2019-06-28 | 中国建筑第八工程局有限公司 | Armored concrete blade wall support system and its deep basal pit support replacement construction method |
-
2012
- 2012-12-07 CN CN 201220677365 patent/CN202925551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863330A (en) * | 2016-05-25 | 2016-08-17 | 上海建工建集团有限公司 | Sequential construction method for car ramps in reverse construction method |
| CN109944253A (en) * | 2019-03-26 | 2019-06-28 | 中国建筑第八工程局有限公司 | Armored concrete blade wall support system and its deep basal pit support replacement construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130508 Termination date: 20161207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |