CN202830935U - Leveling supporting structure of pit-in-pit inside deep foundation pit - Google Patents
Leveling supporting structure of pit-in-pit inside deep foundation pit Download PDFInfo
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- CN202830935U CN202830935U CN 201220437258 CN201220437258U CN202830935U CN 202830935 U CN202830935 U CN 202830935U CN 201220437258 CN201220437258 CN 201220437258 CN 201220437258 U CN201220437258 U CN 201220437258U CN 202830935 U CN202830935 U CN 202830935U
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Abstract
The utility model belongs to leveling supporting structure of pit-in-pit inside the deep foundation pit technical field and discloses a leveling supporting structure of pit-in-pit inside the deep foundation pit. The leveling supporting structure of pit-in-pit inside the deep foundation pit comprises a plurality of interface-installed supporting piles along the one side of the pit-in-pit, a wale respectively connected to a plurality of supporting piles, a plurality of brace summers arranged on both sides of the pit-in-pit and a plurality of engineering piles arranged on both sides of the pit-in-pit. One end of the brace summer is connected with the wale, and the other end of the brace summer is connected with the engineering piles in the same side. The leveling supporting structure utilizes the engineering piles to act as a level strength bearing component. The supporting piles and is connected with the engineering piles into a whole through the wale and the engineering piles. The pressure suffered by the supporting pile from the earth can transfer to the engineering piles. The leveling supporting structure of pit-in-pit inside the deep foundation pit has the advantages of freeing from setting a rock bolt, saving cost, shortening the construction period and avoiding potential safety hazard caused by uncontrollable construction quality of the rock bolt.
Description
Technical field
The utility model relates to the technical field of hole braced structures in the hole in the deep foundation ditch, relates in particular in the deep foundation ditch the flat braced structures of effluent in the hole.
Background technology
In the deep foundation pit of construction engineering, the shaft bottom of elevator shaft, collecting well is usually less than basement bottom board,, need at the bottom of deep foundation ditch, excavate out the little foundation ditch that area is less, the degree of depth is darker, thereby form the phenomenon of " cheating in the hole " generally than the low 3 ~ 5m of all the other basement bottom boards such as elevator shaft.
In the deep-foundation pit engineering in building dense district, usually adopt campshed+prestress anchorage cable or campshed+inner supporting structure.For campshed+prestressing anchor support structure, utilize anchor cable as horizontal Force transmission parts and by waist rail and soldier pile as support system.If the hole is far away apart from deep-foundation side wall in the hole, its stability influence to Wall of Deep Foundation Pit is less, and simple construction method is to put sloping mask.If the hole is apart from the distance of the deep-foundation side wall building-in depth less than campshed in the hole, then hole excavation can cause adverse effect to the stability of the deep foundation ditch of having constructed in the hole, may cause because campshed fixed section passive earth pressure is not enough the deep foundation pit supporting structure unstability.
In the foundation pit support construction figure design stage, if the size of cheating in the hole near deep-foundation side wall, the degree of depth determine, building-in depth that can be by increasing campshed, increase prestress anchorage cable or inner support and solve in the hole hole to the problem of deep foundation ditch stability influence.If plan-position, size and the degree of depth in hole were not determined in the foundation pit support construction figure design stage in the hole, in the situation that deep foundation ditch is just determined behind the excavation supporting, when the distance of itself and the deep-foundation side wall building-in depth less than campshed, and when the building-in depth of campshed has surpassed the degree of depth of cheating in the hole, the building-in depth of place, hole campshed is not enough in the hole, passive earth pressure is inadequate, must strengthen this section supporting and protection structure.Reinforcement means commonly used is to increase prestress anchorage cable, but because the scope in hole in the hole is little, the construction operation difficulty, cost is large, and the construction period is long.Can consider to utilize large-section in-situ concrete pile basis (engineering pile) as horizontal load-carrying member.
The utility model content
The flat braced structures of effluent during the purpose of this utility model is to provide and cheats in the deep foundation ditch is intended to solve in the prior art, and the place, hole arranges level and props up anchor structure in the hole, has construction operation difficulty, cost greatly and long problem of construction period.
The utility model is to realize like this, the flat braced structures of effluent in the hole in the deep foundation ditch, comprise a plurality of soldier piles along one side alternate setting in hole in the described hole, be connected to the waist rail of a plurality of described soldier piles, a plurality of brace summer and a plurality of engineering pile that places respectively Zhong Keng both sides, described hole that places respectively Zhong Keng both sides, described hole, each described brace summer one end is connected in described waist rail, and the other end is connected in the described engineering pile with its homonymy.
Further, described waist rail places a plurality of described soldier piles near hole, described hole one side.
Further, a plurality of described brace summers are connected to a plurality of described engineering piles and are arranged in the both sides of cheating in the described hole.
Compared with prior art, horizontal support structure in the utility model utilizes engineering pile as horizontal load-carrying member, by waist rail and brace summer a plurality of soldier piles and a plurality of engineering pile are connected as one, like this, the soil pressure that soldier pile bears can pass to engineering pile.Thereby do not need to arrange anchor pole, avoided anchor pole in the hole, cheat in the problem of constructional difficulties, save cost, reduction of erection time.
Description of drawings
Fig. 1 is the schematic top plan view of the flat braced structures of effluent in the hole in the deep foundation ditch that provides of the utility model embodiment;
Fig. 2 be among Fig. 1 A to cut-away illustration;
Fig. 3 be among Fig. 1 B to cut-away illustration.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The flat braced structures of effluent during the utility model provides and cheated in the deep foundation ditch, comprise a plurality of soldier piles along one side alternate setting in hole in the described hole, be connected to the waist rail of a plurality of described soldier piles, a plurality of brace summer and a plurality of engineering pile that places respectively Zhong Keng both sides, described hole that places respectively Zhong Keng both sides, described hole, each described brace summer one end is connected in described waist rail, and the other end is connected in the described engineering pile with its homonymy.
In the utility model, the soil pressure that a plurality of soldier piles bear can pass to a plurality of engineering piles by waist rail and a plurality of brace summer, constructs simple, can avoid arranging anchor pole, saves cost and reduction of erection time.
Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.
Shown in Fig. 1 ~ 3, a preferred embodiment that provides for the utility model.
In high-rise building design, below ground partly is provided with deep foundation ditch 3, and in order to satisfy the design needs, need to arrange in deep foundation ditch 3 and cheat 2 in the hole, with the construction space as elevator shaft etc., namely continues to dig out downwards to cheat 2 in the hole in the bottom of foundation ditch 3.
Shown in figure 1 ~ 3, the flat braced structures 1 of effluent comprises a plurality of soldier piles 11 of being arranged in the hole hole 2 one sides, is connected to the waist rail 12 on a plurality of soldier piles 11, a plurality of a plurality of engineering piles 14 that are connected to the brace summer 13 on the waist rail 12 and place foundation ditch 3 in the Deep Foundation Pit in the present embodiment.
Above-mentioned a plurality of soldier piles 11 hole alternate layout of a side of 2 in the hole; Waist rail 12 is along the arranged direction setting of a plurality of soldier piles 11, and it also places a side in hole, hole 2, and is connected on a plurality of soldier piles 11; Above-mentioned a plurality of brace summers 13 place respectively the both sides in hole hole 2, and an end of each brace summer 13 is connected on the waist rail 12, and the other end correspondingly is connected with above-mentioned a plurality of engineering piles 14; Above-mentioned a plurality of engineering piles 14 place respectively the both sides in hole, hole 2, and its position is definite by structure design teacher, and brace summer 13 can appropriately adjust according to the position of engineering pile 14.
Above-mentioned horizontal support structure 1, it utilizes engineering pile 14 as horizontal load-carrying member, and by waist rail 12 and brace summer 13 a plurality of soldier piles 11 are coupled together with a plurality of engineering piles 14, form one, like this, the soil pressure that foundation ditch 3 one sides act on a plurality of soldier piles 11 then can be delivered on a plurality of engineering piles by waist rail 12 and brace summer 13, treat after foundation ditch 3 backfills, the horizontal force that foundation ditch 3 acts on the engineering pile 14 will disappear, and this horizontal support structure 1 can not affect engineering pile 14 use under construction.This horizontal support structure 1 does not need to adopt anchor cable to support, thereby the problem of constructional difficulties when 2 places, hole construct prestress anchorage cable in avoiding cheating can greatly be saved cost, and shortened the duration.
In the present embodiment, the engineering pile 14 of 2 both sides, hole can have respectively a plurality of being utilized in the hole, and it all is connected on the brace summer 13, can be chosen in as required a plurality of engineering piles 14 on the bearing of trend of brace summer 13.
For so that waist rail 12 and a plurality of soldier piles 11 can be connected more firmly, and form overall structure, waist rail 12 is respectively equipped with the first bar planting structure with the junction of each soldier pile 11.Like this, by implanting the connection function of reinforcing bar, can make and form integral body between waist rail 12 and a plurality of soldier pile 11.
More firm for each brace summer 13 and each engineering pile 14 can be connected, and form overall structure, each brace summer 13 is respectively equipped with the second bar planting structure with the junction of each engineering pile 14.Like this, by implanting the connection function of reinforcing bar, can be so that form whole between a plurality of brace summer 13 and a plurality of engineering pile 14.
By the first above-mentioned bar planting structure and the second bar planting structure, can be so that the horizontal support structure of the present embodiment 1 forms an integral body, so that the power that a plurality of soldier pile 11 bears is passed in a plurality of engineering piles 14.
The utility model also provides in the above-mentioned deep foundation ditch job practices of the flat braced structures 1 of effluent in the hole, and concrete steps are as follows:
1), according to the degree of depth in hole in the hole and the soil pressure that soldier pile bears, the position that calculating waist rail and brace summer are laid; The quantity of engineering pile that calculative determination utilizes; Determine sectional dimension and the arrangement of reinforcement of described waist rail and brace summer;
2), excavate out the groove shape operation side of described waist rail and a plurality of described brace summers, the reinforcing bar of colligation waist rail and a plurality of described brace summers, concreting, maintenance is to design strength.
Utilize above-mentioned job practices, can form the flat braced structures 1 of effluent in the hole, this horizontal support structure 1 can pass to a plurality of engineering piles 14 by waist rail 12 and brace summer 13 with the soil pressure that acts on the soldier pile 11, thereby, preferably supporting role is played in hole 2 in the hole.
In above-mentioned steps 2) in, respectively bar planting in a plurality of engineering piles 14 and a plurality of soldier pile 11, like this, waist rail 12 forms the first bar planting structure with the junction of each soldier pile 11; Each brace summer 13 forms the second bar planting structure with the junction of each engineering pile 14.Under the effect of the first bar planting structure and the second bar planting structure, can so that a plurality of soldier pile 11, waist rail 12, brace summer 13 and engineering pile 14 form an integral type level braced structures 1, play a supporting role better.
Certainly, the quantity of soldier pile 11, engineering pile 14, waist rail 12 and brace summer 13 in above-mentioned and the particular location of setting are all decided according to the actual requirements, have more than the set-up mode that is limited in the present embodiment.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. the flat braced structures of effluent in cheating in the deep foundation ditch, it is characterized in that, comprise a plurality of soldier piles along one side alternate setting in hole in the described hole, be connected to the waist rail of a plurality of described soldier piles, a plurality of brace summer and a plurality of engineering pile that places respectively Zhong Keng both sides, described hole that places respectively Zhong Keng both sides, described hole, each described brace summer one end is connected in described waist rail, and the other end is connected in the described engineering pile with its homonymy.
2. the flat braced structures of effluent in cheating in the deep foundation ditch as claimed in claim 1 is characterized in that, described waist rail places a plurality of described soldier piles near hole, described hole one side.
3. the flat braced structures of effluent in cheating in the deep foundation ditch as claimed in claim 1 or 2 is characterized in that a plurality of described brace summers are connected to a plurality of described engineering piles and are arranged in the both sides of cheating in the described hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437258 CN202830935U (en) | 2012-08-30 | 2012-08-30 | Leveling supporting structure of pit-in-pit inside deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437258 CN202830935U (en) | 2012-08-30 | 2012-08-30 | Leveling supporting structure of pit-in-pit inside deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830935U true CN202830935U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220437258 Expired - Fee Related CN202830935U (en) | 2012-08-30 | 2012-08-30 | Leveling supporting structure of pit-in-pit inside deep foundation pit |
Country Status (1)
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| CN (1) | CN202830935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914969A (en) * | 2018-08-30 | 2018-11-30 | 江苏南通二建集团有限公司 | A kind of large deep foundation pit cheats the secondary pouring construction engineering method of sole plate in hole |
| CN112030982A (en) * | 2020-07-25 | 2020-12-04 | 张桂娟 | Upright post reinforcing device after foundation pit deepening and using method |
-
2012
- 2012-08-30 CN CN 201220437258 patent/CN202830935U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914969A (en) * | 2018-08-30 | 2018-11-30 | 江苏南通二建集团有限公司 | A kind of large deep foundation pit cheats the secondary pouring construction engineering method of sole plate in hole |
| CN112030982A (en) * | 2020-07-25 | 2020-12-04 | 张桂娟 | Upright post reinforcing device after foundation pit deepening and using method |
| CN112030982B (en) * | 2020-07-25 | 2021-12-03 | 湖北宏信基础工程有限公司 | Upright post reinforcing device after foundation pit deepening and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN GONGKAN GEOTECHNICAL GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |