CN204040042U - A kind of super large ultra-deep support with manually dug piles structure - Google Patents
A kind of super large ultra-deep support with manually dug piles structure Download PDFInfo
- Publication number
- CN204040042U CN204040042U CN201420187058.7U CN201420187058U CN204040042U CN 204040042 U CN204040042 U CN 204040042U CN 201420187058 U CN201420187058 U CN 201420187058U CN 204040042 U CN204040042 U CN 204040042U
- Authority
- CN
- China
- Prior art keywords
- plane support
- support body
- steel pipe
- pile
- retaining wall
- 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 - Fee Related
Links
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a kind of super large ultra-deep support with manually dug piles structure, comprise at least two-layer above plane support body (1), described plane support body (1) is successively fixedly supported on the straightway retaining wall of hand excavated pile from top to down by the jacking (2) of surrounding, between plane support body (1), adopt off-load steel pipe (3) and hound (4) side direction to reinforce, all plane support bodys (1) are vertically supported on the bearing stratum in hand excavated pile by the steel pipe (5) that lands of more than at least four.The utility model will adopt plane support body to the retaining wall layering supporting of hand excavated pile, and all plane support bodys connect into a firm entirety, substantially increase the lateral support of pile holes protecting wall, effectively prevent from, in pile hole construction process, cave-in accident occurs.
Description
Technical field
The utility model relates to a kind of super large ultra-deep support with manually dug piles structure, belongs to building foundation engineering technical field of construction.
Background technology
Along with the continuous increase of national economy, urban construction is advanced by leaps and bounds, and hand excavated pile is generally applied in most area, and along with the continuous increase of modern building height, the application of large aperture, ultra-deep hand excavated pile is also more and more extensive.But carry out super large in the region of the complexity of geological condition, during the construction of ultra-deep hand-dug pile foundation, often run into pile-base supporting layer lithology poor (argillaceous sandstone) and bearing capacity is lower, rich groundwater and the more high situation of water level, and along with the increasing of hole stake cutting depth, the impacts such as underground water, the lateral pressure that its hole pile wall bears is very big, simultaneously, top retaining wall also can because of the bottom earthwork by excavating without support, and along with the increasing of hole stake cutting depth, the deadweight of hole pile wall also can strengthen, when the deadweight of hole pile wall exceedes the frictional force between retaining wall and the soil body be in contact with it, retaining wall just has the danger of tenesmus, great potential safety hazard will be caused like this to construction.
Utility model content
The purpose of this utility model is, provides that a kind of structure is simple, easy construction, and not by the impact of geological conditions, can ensure the super large ultra-deep support with manually dug piles structure of hole pile driving construction safety, to overcome prior art deficiency simultaneously.
The technical solution of the utility model: a kind of super large ultra-deep support with manually dug piles structure, comprise at least two-layer above plane support body, described plane support body is successively fixedly supported on the straightway retaining wall of hand excavated pile from top to down by the jacking of surrounding, between plane support body, adopt off-load steel pipe and hound side direction to reinforce, all plane support bodys are vertically supported on the bearing stratum in hand excavated pile by the steel pipe that lands of more than at least four.
900mm of being separated by between described plane support body is fixed in hand excavated pile.
The round steel pipe that described plane support body is taken to few more than four binding that interlocks forms, and described round steel pipe top is provided with telescopic jacking.
Described off-load steel pipe arranges four at interval of one deck plane support body, and four off-load steel pipe one end are fixedly connected with four angles of plane support body, and the other end is supported on the annular boss of retaining wall.
Described hound bundlees four on the outside of every four layer plane support bodys.
Owing to have employed such scheme, the utility model will adopt plane support body to the retaining wall layering supporting of hand excavated pile, and all plane support bodys connect into a firm entirety, substantially increase the lateral support of pile holes protecting wall, effectively prevent from, in pile hole construction process, cave-in accident occurs.In addition, when adopting the plane support body in the utility model to carry out pile hole construction, namely can be used as shuttering supporting when building this layer of retaining wall, after being disassembled by this plane support body, can be used as again the fixed support of upper strata retaining wall, therefore, substantially increase efficiency of construction, also save construction material simultaneously.
Accompanying drawing explanation
Fig. 1 is supporting and protection structure front view in the utility model;
Fig. 2 is supporting and protection structure top view in the utility model;
Fig. 3 is the utility model midplane frame structure schematic diagram.
Description of reference numerals: 1-plane support body, 2-jacking, 3-off-load steel pipe, 4-hound, 5-lands steel pipe, 6-annular boss, 7-steel pipe frame, 8-semi arch oral area.
Detailed description of the invention
In order to make the utility model object, technical scheme and advantage clearly, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
A kind of super large ultra-deep support with manually dug piles structure of the present utility model, comprise 8 layer plane support bodys, see Fig. 1, 900mm of being separated by between described plane support body 1 is fixedly supported on the straightway retaining wall of hand excavated pile from top to down, see Fig. 3, described plane support body 1 adopts the binding that interlocks of 5 short steel pipes and 3 long steel pipes to form, described short steel pipes and long steel pipe top are provided with telescopic jacking 2, described jacking 2 can select scaffold jacking to replace, plane support body 1 withstands hole pile wall or dado template by the jacking 2 of surrounding, in order to increase the contact area of jacking 2 and hole pile wall or dado template, steel pipe can be bundled between jacking 2.Between plane support body 1, adopt off-load steel pipe 3 and hound 4 side direction to reinforce, described off-load steel pipe 3 arranges four at interval of one deck plane support body 1, four off-load steel pipe 3 one end are fixedly connected with four angles of plane support body 1, the other end is supported on the annular boss 6 of pile holes protecting wall upper end, and described hound 4 bundlees four on the outside of every four layer plane support bodys 1.Adopt 12 to land steel pipe 5 all plane support bodys 1 are vertically supported on the bearing stratum in hand excavated pile, make all plane support bodys 1 firmly be linked to be an entirety.
For the hand excavated pile that 7.2m is dark, the utility model is described in further detail below, constructs according to the following steps:
Step one, by design drawing requirement measurement and positioning hand excavated pile position, start to excavate first floor stake holes;
Step 2, when first floor stake holes is excavated dark to 900mm, starting to assemble plane support body 1, and after supporting the template for pouring into a mould first floor retaining wall by the jacking 2 of plane support body 1, then adopting concreting to go out first floor retaining wall;
Step 3, after the maintenance of first floor breast wall concrete completes, unclamp all jackings 2 on plane support body 1, plane support body 1 is pulled down and hung away, then remove the template of first floor retaining wall, and the concrete-pouring template of this template as second layer retaining wall is used;
After step 4, the second layer stake holes that continues to excavate downwards are dark to 900mm, build the template of second layer retaining wall, and with the plane support body 1 of the previous step shuttering supporting for this layer of retaining wall, then employing concreting goes out second layer retaining wall;
Step 5, after the maintenance of second layer breast wall concrete completes, the template of second layer retaining wall and plane support body 1 are removed, and this template is used for the concrete-pouring template of lower one deck retaining wall, then the plane support body 1 of dismounting is fixedly supported on first floor retaining wall by jacking;
After step 6, the excavation third layer stake holes downwards that continues are dark to 900mm, build third layer dado template, and in third layer stake holes, assemble another set of plane support body 1 for supporting third layer dado template, then adopt concreting third layer retaining wall;
Step 7, after the maintenance of third layer breast wall concrete completes, remove plane support body 1 and the template of this layer, and this template is used for the concrete-pouring template of lower one deck retaining wall, then this plane support body 1 is fixedly supported on second layer retaining wall by its jacking 2;
Step 8, constantly repeat step 2 ~ seven, until excavation is to the 8th layer of stake holes, namely absolute altitude at the bottom of the stake that 7.2m is dark, after the breast wall concrete maintenance of the 8th layer completes, remove plane support body 1 and the template of this layer, and the plane support body 1 of this layer is fixedly supported on the retaining wall of upper strata by its jacking 2, in the 8th layer of stake holes, simultaneously to set up another set of plane support body 1 support as this layer of retaining wall;
Step 9, after each layer plane support body 1 in hand excavated pile supports all, every alternating floor plane rack body 1 adopts four off-load steel pipe supports, every four layer plane support bodys 1 adopt four hounds to be bundled in outside it, for strengthening the steadiness of all plane support bodys 1, adopt 12 to land steel pipe all plane support bodys 1 are supported on the bearing stratum in the stake of hole simultaneously, make allly to make all plane support bodys 1 firmly be linked to be an entirety.
In above-mentioned steps work progress, see Fig. 1, retaining wall upper end can be watered and build up an annular boss 6, plane support body 1 is fixedly supported on 100mm place below retaining wall annular boss 6 by jacking; The earthwork of excavating hand excavated pile all can go out from semi arch oral area 8 handling of hand excavated pile two ends.After all plane support bodys 1 fixedly complete, conveniently workman bundlees reinforcing bar in hand excavated pile, as shown in Figure 2, can at the two ends of every layer plane support body 1 arc section of hand excavated pile (i.e. in) overlap joint steel pipe frame 7, described steel pipe frame 7 one end is bundled on plane support body 1, the other end is fixedly supported on the retaining wall of hand excavated pile arc section by jacking 2, and therefore, workman may stand on steel pipe frame 7 and carries out reinforced-bar binding.After reinforced-bar binding completes, just can to concreting in hand excavated pile (the plane support body 1 in the stake of hole, steel pipe frame 7 etc. all take out, the skeleton as hole stake), after the maintenance of hole stake concreting terminates, hand excavated pile just completes.
Claims (5)
1. a super large ultra-deep support with manually dug piles structure, comprise at least two-layer above plane support body (1), it is characterized in that: described plane support body (1) is successively fixedly supported on the straightway retaining wall of hand excavated pile from top to down by the jacking (2) of surrounding, between plane support body (1), adopt off-load steel pipe (3) and hound (4) side direction to reinforce, all plane support bodys (1) are vertically supported on the bearing stratum in hand excavated pile by the steel pipe (5) that lands of more than at least four.
2. super large ultra-deep support with manually dug piles structure according to claim 1, is characterized in that: 900mm of being separated by between described plane support body (1) is fixed in hand excavated pile.
3. super large ultra-deep support with manually dug piles structure according to claim 1, is characterized in that: described plane support body (1) adopts the round steel pipe of more than at least four binding that interlocks to form, and described round steel pipe top is provided with telescopic jacking (2).
4. super large ultra-deep support with manually dug piles structure according to claim 1, it is characterized in that: described off-load steel pipe (3) arranges four at interval of one deck plane support body (1), four off-load steel pipe (3) one end are fixedly connected with four angles of plane support body (1), and the other end is supported on the annular boss (6) of retaining wall.
5. super large ultra-deep support with manually dug piles structure according to claim 1, is characterized in that: the binding four on the outside of every four layer plane support bodys (1) of described hound (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187058.7U CN204040042U (en) | 2014-04-17 | 2014-04-17 | A kind of super large ultra-deep support with manually dug piles structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187058.7U CN204040042U (en) | 2014-04-17 | 2014-04-17 | A kind of super large ultra-deep support with manually dug piles structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204040042U true CN204040042U (en) | 2014-12-24 |
Family
ID=52240726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187058.7U Expired - Fee Related CN204040042U (en) | 2014-04-17 | 2014-04-17 | A kind of super large ultra-deep support with manually dug piles structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204040042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131569A (en) * | 2014-04-17 | 2014-11-05 | 中国建筑第四工程局有限公司 | Ultra-large ultra-deep kidney-shaped manually-excavated pile supporting structure and construction method |
| CN108018857A (en) * | 2017-12-19 | 2018-05-11 | 吴保康 | A kind of artificial digging pile steelframe structure protective baffle plate |
| CN108487261A (en) * | 2018-04-10 | 2018-09-04 | 江西科技学院 | A kind of arch steel structure support |
-
2014
- 2014-04-17 CN CN201420187058.7U patent/CN204040042U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131569A (en) * | 2014-04-17 | 2014-11-05 | 中国建筑第四工程局有限公司 | Ultra-large ultra-deep kidney-shaped manually-excavated pile supporting structure and construction method |
| CN108018857A (en) * | 2017-12-19 | 2018-05-11 | 吴保康 | A kind of artificial digging pile steelframe structure protective baffle plate |
| CN108487261A (en) * | 2018-04-10 | 2018-09-04 | 江西科技学院 | A kind of arch steel structure support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321654B (en) | The method of flexible air-bag process coal mine roadway roof collapse | |
| CN104264688B (en) | Manually digging hole non-uniform pile support construction process | |
| CN103195076B (en) | Muddy Bottoms deep-excavation tower crane foundation construction method | |
| CN205742213U (en) | Foundation pit supporting construction | |
| CN105298507A (en) | Underground pipe gallery construction method of machine performing open excavation on upper portion and tunneling on lower portion | |
| CN101338678A (en) | Supporting arch hidden digging top-down construction method | |
| CN104947681B (en) | Super large super deep basement ground pit construction method | |
| CN103938634B (en) | A kind of deep foundation pit supporting structure and construction method | |
| CN202881958U (en) | Foundation pit supporting structure with water falling function | |
| CN101793023A (en) | Foundation pit construction method | |
| CN103290847A (en) | Inner oblique beam supporting structure for oversized-area deep foundation pit and construction method | |
| CN105839946A (en) | Brick-concrete structure building lifting add-layer method | |
| CN103541371B (en) | Bearing platform for heating pipe channels to stride reserved subway station and construction method thereof | |
| CN103244143B (en) | A kind of underground construction excavating construction method and underground station | |
| CN204040042U (en) | A kind of super large ultra-deep support with manually dug piles structure | |
| CN104929133A (en) | Deep foundation pit Larsen steel sheet pile bottom sloping support construction method | |
| CN202073100U (en) | Temporary vertical steel support structure for compensating displacement or missed piling of steel lattice columns | |
| CN109610473A (en) | A kind of construction method of the large-scale pool structure foundation pit supporting system of municipal administration | |
| CN109235507B (en) | Stratum reinforcing system and method for reinforcing existing tunnel | |
| JP2012092601A (en) | Open shield machine start method of open shield method | |
| CN104594367B (en) | A kind of combined type cofferdam structure and construction method | |
| CN205296177U (en) | Dado bearing structure suitable for hole friction pile stake hole is dug in manual work | |
| CN203531010U (en) | Supporting platform of heat pipe trench and for crossing reserved subway station | |
| CN103132531A (en) | Foundation pit supporting system construction method | |
| CN203924072U (en) | The retaining wall supporting and protection structure of the super dark hand excavated pile of a kind of super large |
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: 20141224 Termination date: 20160417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |