CN202247924U - Assembled steel structure open caisson in pipe jacking construction - Google Patents
Assembled steel structure open caisson in pipe jacking construction Download PDFInfo
- Publication number
- CN202247924U CN202247924U CN2011203294649U CN201120329464U CN202247924U CN 202247924 U CN202247924 U CN 202247924U CN 2011203294649 U CN2011203294649 U CN 2011203294649U CN 201120329464 U CN201120329464 U CN 201120329464U CN 202247924 U CN202247924 U CN 202247924U
- Authority
- CN
- China
- Prior art keywords
- open caisson
- walls
- basil
- jacking construction
- steel work
- Prior art date
- 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 - Lifetime
Links
Images
Abstract
The utility model relates to an assembled steel structure open caisson in pipe jacking construction, which is of a square box structure consisting of four vertical walls and a bottom reinforced concrete substrate; a pipe jack inlet is arranged on one vertical wall; a back iron is arranged at the inner side of another vertical wall opposite to the pipe jack inlet; the four vertical walls are assembled structures formed by steel structure boxes through pilling up via embedded screws and fixed connection with each other; a basil frame is fixedly arranged at the lower bottom surfaces of the four vertical walls through embedded screws; and the reinforced concrete substrate is fixedly arranged on the basil frame. The four vertical walls of the open caisson are formed by steel structure boxes through pilling up, so that various specifications of graphs (such as length, width, depth and inlet diameter) can be spliced to satisfy the requirements of pipe jacking of municipal engineering; and the four vertical walls can be repeatedly used, the splicing is time-saving and the operation is simple, so that the pipe jacking safety is greatly improved, the electric equipment in pits is protected and the labor intensity of the workers is reduced.
Description
Technical field
The utility model belongs to the municipal engineering field, relates to the employed open caisson of municipal engineering, especially a kind of jacking construction pin-connected panel steel work open caisson.
Background technology
Municipal engineering are liked non-excavation method jacking construction usually in the jacking construction process, the construction operation face is little; The amount of being unearthed is few, can also reduce a large amount of plant equipment, and production efficiency is high; In jacking construction, also do not influence traffic, guarantee the not protruding and depression in road surface, its working programme is: dig a working pit (also crying main hole) on ground; This working pit is decided according to pipe diameter projected depth push-bench size, does a receiving pit (also crying secondary hole) again according to apex distance.The way of working pit is at present: the many rows of the mud agitation pile of at first fetching water in the working pit outside or double; Determine the degree of depth of agitation pile according to the degree of depth of working pit; Be driven underground i iron with pile driver then, squeeze into the quantity and the model of i iron according to the difference decision of top power.Working pit periphery is made a call to 4 wells, and purpose is a precipitation before the excavation working pit, the excavation in the hole of starting working during all left and right sides of precipitation one, and lead frame is layed foundation, erection equipment, back iron after placing, back back iron and i iron leave 300mm-400mm space casting reinforced concrete.After a push pipe working pit was accomplished, pipe jacking equipment was hung out by the pair hole.More than be that domestic jacking construction method adopts more a kind of form.Another kind of jacking construction method is in main hole, to make an open caisson (steel concrete) to replace main hole; After a push pipe operation is accomplished; Reinforced concrete open caisson just cancels maybe to work as and observes well, and this open caisson is because cost is high and concrete solidification intensity needs the regular hour, so use less.
Comprehensive the above; The shortcoming of existing jacking construction method is: 1, open caisson (i iron open caisson) is because geological condition is different squeezing into i iron in jacking construction, the i iron of being squeezed into often with the ground out of plumb, cause the horizontal plane run-off the straight; Back back iron can not accurately be placed; Because active force just is being used on the i iron in the push pipe process, because the i iron position produces deviation, so pipe jacking equipment just is easy to generate bigger top power in jack-in process in construction; Unfavorable to pipe jacking equipment and i iron back like this, to the certain influence of quality generation of push pipe.The underground water that position problems produced owing to i iron in jacking construction flows into working pit; Equipment in the operating pit and electrical system are produced potential safety hazard; Because phreatic inflow produces mud and water workman's operation is also produced unsafe factor like explosion-proof, waterproof etc.: and the push pipe entrance often also flows into mud and water, the quality to push pipe also exerts an influence like this.After a push pipe operation was accomplished, i iron need be extracted from ground, extracted the back in underground generation cavity.Owing to real (not adding soil later basically in construction) can't be added in the cavity, in the operation of back,, to roll by vehicular traffic after the road surface time is long as repairing the roads, the road surface on main hole and pair hole can produce sinking, and the road surface needs repeatedly to repair, and has wasted great amount of manpower and material resources.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and the jacking construction pin-connected panel steel work open caisson of a kind of fast and convenient construction and good seal performance is provided.
The utility model solves its technical problem and takes following technical scheme:
A kind of jacking construction pin-connected panel steel work open caisson; It is the cubic body structure that the steel concrete substrate by four walls and bottom is constituted; Be shaped on push-bench inlet on a wall therein; Installed inside has a back back iron on another wall of relative push-bench inlet; It is characterized in that: said four walls are the steel work casing through the mutual affixed assembled structure that constitutes of the pre-buried upper and lower closed assembly of screw institute, and the bottom surface of four walls all is fixed with a basil framework through pre-buried screw, on this basil framework, installs the steel concrete substrate.
And, between basil framework and four walls, constitute between each steel work casing of wall waterproof sealing gasket all be installed.
And, on the steel work casing that constitutes four walls, be laid with lubricant hole.
The advantage and the beneficial effect of the utility model are:
1, four of this open caisson walls adopt the steel work casing up and down closed assembly be spliced to form, the sliceable figure (like length, width, the degree of depth, inlet diameter) that goes out the plurality of specifications model is to satisfy the needs of our municipal engineering push pipe; And can repeatedly use repeatedly; Assembly unit saves time, and is simple to operate, improves greatly for the safety of push pipe; Electric equipment in the hole has also played protective effect, has reduced working strength of workers.
2, the bottom surface of four of this open caisson walls all is fixed with a basil framework through pre-buried screw; Vertically be embedded with the pre-buried screw of two rows of going to the bottom affixed on the basil framework, on this basil framework, install the steel concrete substrate, make thus and also can accomplish in the foundation ditch neatly totally with four walls; After accomplishing, jacking construction can not produce the cavity, ground because be provided with sealing mouth volume in the hole in the hole; There is not hidden danger in pavement construction in the future yet, and in the hole, does not have flowing water and stream mud phenomenon, ground building has also been played protective effect; Greatly reduce construction cost, improved operating efficiency, practiced thrift a large amount of timber.
Description of drawings
Fig. 1 is the structural front view of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;
Fig. 3 is that the B-B of Fig. 1 is to cross-sectional view.
The specific embodiment
Below in conjunction with accompanying drawing and through specific embodiment the utility model is done further to detail, following examples are descriptive, are not determinate, can not limit the protection domain of the utility model with this.
A kind of jacking construction pin-connected panel steel work open caisson; It is the cubic body structure that the steel concrete substrate 2 by four walls 1 and bottom is constituted; Four walls be the steel work casing through pre-buried screw 6 about closed assembly the mutual affixed assembled structure that constitutes, length, width and the degree of depth between this four directions casing depends on caliber, the degree of depth of the desired push pipe of former design.Be shaped on push-bench inlet 5 on a wall therein, installed inside has a back back iron 3 on another wall of relative push-bench inlet; The bottom surface of four walls all is fixed with a basil framework 8 through pre-buried screw; Vertically be embedded with the pre-buried screw of two rows of going to the bottom affixed on the basil framework with four walls; This basil framework is formed by reinforced concrete prefabricated; On this basil framework, install the steel concrete substrate, this substrate is conduit.In order to improve the sealing performance of open caisson, between basil framework and four walls, constitute between each steel work casing of wall waterproof sealing gasket 4 all be installed.Because general frame need progressively sink at underground after assembly unit is good; In order to improve subsidence velocity; Raise the efficiency; On the steel work casing that constitutes four walls, all be furnished with the lubricant hole 7 of different directions size, this lubricant hole can all be furnished with a plurality of on four walls according to soil property, is four of one sides in the present embodiment.
The working method of the utility model is:
Before the excavation working pit, just assemble basil framework and steel work casing wall at the scene and form the steel open caisson; Open caisson can be spliced into plurality of specifications and form; When can digging working pit under machinery or manual work, the steel open caisson that splicing is good sinks to working pit; In sinking to process, can annotate sliding agent to steel open caisson outer wall, quicken the efficient that sinks to of steel open caisson through lubricated through hole.After the steel open caisson sinks to design attitude, inject the slit sealing of cement paste seal perimeter again to lubricant hole, so the double seal of the sealing mat that the utility model can be through outer wall sealing and steel work casing carries out sealing, effectively improved sealing effectiveness.And then casting reinforced concrete forms substrate in the conduit of basil framework, puts into back back iron and pipe jacking equipment and can construct.After a push pipe operation is accomplished, only need to remove the steel work casing and get final product, can abandon cost low basil framework and substrate, can not form the cavity of similar i iron.
Claims (3)
1. jacking construction pin-connected panel steel work open caisson; It is the cubic body structure that the steel concrete substrate by four walls and bottom is constituted; Be shaped on push-bench inlet on a wall therein; Installed inside has a back back iron on another wall of relative push-bench inlet; It is characterized in that: said four walls are the steel work casing through the mutual affixed assembled structure that constitutes of the pre-buried upper and lower closed assembly of screw institute, and the bottom surface of four walls all is fixed with a basil framework through pre-buried screw, on this basil framework, installs the steel concrete substrate.
2. jacking construction pin-connected panel steel work open caisson according to claim 1 is characterized in that: between basil framework and four walls, constitute between each steel work casing of wall waterproof sealing gasket all be installed.
3. jacking construction pin-connected panel steel work open caisson according to claim 1 is characterized in that: on the steel work casing that constitutes four walls, be laid with lubricant hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203294649U CN202247924U (en) | 2011-09-05 | 2011-09-05 | Assembled steel structure open caisson in pipe jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203294649U CN202247924U (en) | 2011-09-05 | 2011-09-05 | Assembled steel structure open caisson in pipe jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247924U true CN202247924U (en) | 2012-05-30 |
Family
ID=46109186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203294649U Expired - Lifetime CN202247924U (en) | 2011-09-05 | 2011-09-05 | Assembled steel structure open caisson in pipe jacking construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397057A (en) * | 2019-07-31 | 2019-11-01 | 武汉市市政建设集团有限公司 | A kind of soft soil area Self-sinking type steel open caisson support system and method |
| CN110528537A (en) * | 2019-09-06 | 2019-12-03 | 五冶集团上海有限公司 | Hinged fender and construction method for miniature push pipe pattern foundation pit supporting structure |
| CN111997089A (en) * | 2020-08-24 | 2020-11-27 | 陕西铭捷交通工程有限公司 | Construction method based on assembled self-balancing type pushing working pit system |
-
2011
- 2011-09-05 CN CN2011203294649U patent/CN202247924U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397057A (en) * | 2019-07-31 | 2019-11-01 | 武汉市市政建设集团有限公司 | A kind of soft soil area Self-sinking type steel open caisson support system and method |
| CN110528537A (en) * | 2019-09-06 | 2019-12-03 | 五冶集团上海有限公司 | Hinged fender and construction method for miniature push pipe pattern foundation pit supporting structure |
| CN111997089A (en) * | 2020-08-24 | 2020-11-27 | 陕西铭捷交通工程有限公司 | Construction method based on assembled self-balancing type pushing working pit system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103215960B (en) | Grouting method for high polymer vertical support system | |
| CN107313431B (en) | Close on not contour foundation pit method for synchronously constructing | |
| CN104652443B (en) | Construction method of the interim horizontal support of deep basal pit as permanent structure beam | |
| CN103924602B (en) | Deep Thick Soft Ground foundation ditch construction method | |
| CN203924085U (en) | A kind of caisson structure that is applied to collecting well | |
| CN103114599A (en) | Deep foundation pit sealed precipitation device and construction method thereof | |
| CN104264663A (en) | Hard cutting construction technology for secant piles | |
| CN206204972U (en) | A kind of prefabricated tubular pile as well-points dewatering | |
| CN204040062U (en) | Prefabricated wedge shape flexible interface assembling piping lane | |
| CN202247924U (en) | Assembled steel structure open caisson in pipe jacking construction | |
| CN103967015B (en) | A kind of water seal for deep foundation pit excavation method and structure thereof | |
| CN110306396A (en) | A kind of assembly concrete road surface and construction method | |
| CN204626427U (en) | Assembling cofferdam | |
| CN204059460U (en) | The interior river intake structure of electric power plant circulating water system | |
| WO2018177304A1 (en) | Fabricated underground building and construction method thereof | |
| CN203625883U (en) | Steel sheet support pile with pipes for foundation pit construction | |
| CN102425228A (en) | Multifunctional environment-friendly movable water tank | |
| CN206267159U (en) | A kind of upper pipe working well foundation pit supporting construction | |
| CN104963341A (en) | Coupling type ground source heat pump mixed backfill technology and backfill material | |
| CN202401561U (en) | Multifunctional environment-friendly movable water channel | |
| CN104074234B (en) | The interior river intake structure of electric power plant circulating water system and construction method thereof | |
| CN103866787B (en) | A kind of spacious reverse masonry method concrete cut that digs builds construction technology | |
| CN2795600Y (en) | Pipe-jacking construction building block type steel structure sinking well | |
| CN203113361U (en) | Deep foundation pit sealing precipitation device | |
| CN105951885B (en) | A kind of assembled work well standard knot and its installation method in new construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |