CN204982906U - Double row pile supporting construction in ability make full use of basement space - Google Patents
Double row pile supporting construction in ability make full use of basement space Download PDFInfo
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- CN204982906U CN204982906U CN201520320310.1U CN201520320310U CN204982906U CN 204982906 U CN204982906 U CN 204982906U CN 201520320310 U CN201520320310 U CN 201520320310U CN 204982906 U CN204982906 U CN 204982906U
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- campshed
- basement
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- stake
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 8
- 238000005056 compaction Methods 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 28
- 238000002271 resection Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Residential Or Office Buildings (AREA)
Abstract
The utility model relates to a double row pile supporting construction in ability make full use of basement space belongs to construction and housing construction field. The utility model discloses preceding campshed pile bolck is equipped with hat roof beam I, the pile bolck of back campshed is equipped with hat roof beam II, preceding campshed is connected through linking roof beam I with back campshed pile bolck, be equipped with the stake of stagnant water curtain after the back campshed stake in the soil body, according to all engineering stakes of design and construction after the flattening of place, preceding campshed pile bolck after the excision is built and is linked roof beam II together, link roof beam II and burden one deck basement bottom plate one -piece casting, it bankets to fill the compaction in layers between two layers of basement outer wall of campshed and burden in the front, fill plain concrete in the front between two layers of basement bottom plate of campshed and burden. The utility model discloses a double row pile and single stake etc. Rigidity replacement principle, replace into single pilework with rigidity such as double row pile, not only can control the horizontal displacement of supporting construction system, reduction excavation supporting expense that simultaneously can also be by a wide margin, there is better economic nature in the foundation ditch engineering that has the multi -storey basement.
Description
Technical field
The utility model relates to a kind of Retaining Structure with Double-row Piles that can make full use of basement space, belongs to building operations and field of house buildings.
Background technology
Along with the quickening of urbanization process paces, the building height of inner city is more and more higher, and the basement of building is towards darker, great development, and geological conditions worse and worse, and base pit engineering surrounding enviroment become increasingly complex.The available land resources of base pit engineering of inner city is fewer and feweri, but how to utilize to greatest extent in existing land resources be the targets that developers jointly ask most.At present, the supporting scheme that China often adopts has: put slope excavation, soil-nail wall support, pile-anchor retaining, cement-soil gravity type retaining wall, campshed add the support pattern such as inner supporting structure, double-row pile.Put slope excavation, soil-nail wall support, the support space of pile-anchor retaining required for inner city are excessive, often cannot adopt.For the base pit engineering containing multi-storey basement, adopt cantilevered Single row pillars supporting and protection structure can not meet the requirement of foundation pit deformation; Cantilevered Retaining Structure with Double-row Piles rigidity is large but the adaptation degree of depth is limited; Common campshed adds that inner support supporting and protection structure cost is high, long construction period and basement space utilization rate is inadequate.Therefore, traditional supporting and protection structure is used to have certain limitation.
Summary of the invention
In order to better solve the problem, enable basement space be fully utilized, the utility model provides a kind of Retaining Structure with Double-row Piles that can make full use of basement space simultaneously.
The technical solution of the utility model is: a kind of Retaining Structure with Double-row Piles that can make full use of basement space, bankets 10, negative one deck basement bottom board 12, negative two layers of basement bottom board 13, coupling beam II 14 form by front campshed 1, rear campshed 2, hat beam I 3, hat beam II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers; Wherein front campshed 1 top is provided with hat beam I 3, the stake top of rear campshed 2 is provided with hat beam II 4, front campshed 1 is connected by coupling beam I 5 with rear campshed 2 top, water-stop curtain stake 6 is provided with in the soil body after rear campshed 2, by all engineering piles 8 of design and construction after the leveling of place, one coupling beam II 14 is built in 1 top casting of front campshed after a resection, coupling beam II 14 and negative one deck basement bottom board 12 monobloc cast, charge stratifying compacted fill 10 between front campshed 1 and negative two layers of outer wall of basement, filling plain concrete 9 between front campshed 1 and negative two layers of basement bottom board 13.
Rectangular or " fourth " font array arrangement of the pile body layout of described front campshed 1 and rear campshed 2 and be spaced arrangement.
Use procedure of the present utility model is as follows:
Step1, requirement according to Geological condition and deep pit monitor Stability Numerical Analysis, determine that the stake of campshed is long, stake footpath and pile spacing, determines the spacing, sectional dimension and the arrangement form that support; The cross-sectional strength of campshed and support system and arrangement of reinforcement are designed; Determine sectional dimension and the quantity of reinforcement of Guan Liang; Determine excavation operation;
Step2, according to the pile body stiffness of Single row pillars by etc. rigidity substitution principle replace into Retaining Structure with Double-row Piles, after in double-row pile, the position of campshed is determined according to the scope of excavation of foundation pit and the position of building line, and before and after ensureing, the array pitch of campshed is the campshed diameter (the total materials of pile shaft material obtain and significantly reduce) of 3 ~ 5 times;
Step3, according to construction requirement, after levelling of the land, setting absolute altitude to be constructed all engineering piles 8;
Step4, construction water-stop curtain stake 6, pile-type is by design and sealing requirement is determined;
Campshed 2 after Step5, construction, pile-type is determined by design;
Campshed 1 before Step6, construction, pile-type is determined by design;
Step7, construction hat beam I 3, hat beam II 4, coupling beam I 5, coupling beam II 14, make whole support system form an entirety, each several part cooperative bearing is out of shape;
Step8, to excavate by operating mode layer and section and to design each layer support system, until at the bottom of excavation to Foundation Pit;
Step9, build basement bottom board, and the basement structure remove each road support system, until before building negative one deck basement bottom board 12 of up constructing;
First inner support, front campshed 1, hat beam I 3 and coupling beam I 5 are removed in Step10, segmentation, and campshed inter-pile soil body before and after removing; The segmentation of negative one deck basement bottom board 12 built to being the position of 1m apart from rear campshed 2 and building outer wall of basement to ground, wherein basement structure can adopt front campshed Cantilever Beams 15 also can be adopted as vertical force transfer system as force transfer system; By said process section construction until whole basement construction completes.
When before basement structure adopts, campshed is as force transfer system, together with the basement of extension must be provided with original basement connecting portion, settlement joint 11 (avoids differential settlement to cause the basement structure of epitaxial part to destroy, front campshed not only will meet the requirement as anti-bending bearing capacity during supporting and protection structure, and will meet the requirement as Compressive Bearing Capacity during force transfer system and Vertical Settlement distortion).The length of described front campshed 1 can be designed to be more than or equal to rear campshed 2 length.
When basement structure adopts Cantilever Beams 15 as vertical force transfer system, the sectional dimension of Cantilever Beams 15 and spacing should calculate according to the load of extension basement structure to be determined.
If determine, employing diameter is the single supporting pile structure of d, Single row pillars structure being replaced into Double-row-piles Structure by waiting Rigidity Theory, suppose the equal diameters of the front and back campshed of Retaining Structure with Double-row Piles, and the soldier pile diameter after replacement being D, the array pitch of getting soldier pile is 4D, presses and waits Rigidity Theory then:
(wherein, soldier pile is reinforced concrete pile, and Single row pillars is equal with the elastic modulus E of double-row pile), obtains π d
4/ 64=2 ∫ y
2dA(is y=2D, A=π D wherein
2/ 4), D=d/ is solved
.Then Retaining Structure with Double-row Piles front and back campshed section area and be:
=2* π D
2/ 4=2* π (d/
)
2/ 4=π d
2/ 16=
.Get the long stake appearance etc. with Single row pillars supporting and protection structure of the stake of double-row pile, then under equal rigidity condition, double-row pile concrete amount is only 1/4 of Single row pillars, and its economy is considerable.
The beneficial effects of the utility model are:
1, for deep big foundation pit engineering, particularly containing base pit engineering more than two-layer basement, current Single row pillars becomes main flow in conjunction with inner support support form, but the rigidity of Single row pillars is less, along with the increase of foundation depth, the horizontal movement of supporting and protection structure be controlled, the sectional dimension etc. of the diameter that so will certainly increase soldier pile, the level reducing support and vertical spacing, increase braced structures, significantly add engineering material, cause unnecessary waste.From this angle, by double-row pile and Single row pillars etc. rigidity substitution principle, the rigidity such as double-row pile are replaced into Single row pillars structure, not only can control the horizontal movement of supporting structure system, can also significantly reduce pattern foundation pit supporting structure expense simultaneously.
2, Retaining Structure with Double-row Piles is compared with Single row pillars supporting and protection structure, improves the stress performance of supporting and protection structure, decreases pile shaft material consumption, effectively controls the displacement of soldier pile pile body; Compared with traditional double campshed, increase the utilized space of negative one deck basement, limited land resources is fully utilized, improves economic benefit, in the base pit engineering with multi-storey basement, have good economy.
3, using the vertical force transfer system of front campshed as proposed building basement, the purposes of front campshed can be added as required.
Accompanying drawing explanation
Fig. 1 is that the utility model basement structure adopts front campshed as sectional drawing during force transfer system;
Fig. 2 is that the utility model basement structure adopts Cantilever Beams as sectional drawing during force transfer system;
Each label in figure: campshed before 1-; Campshed after 2-; 3-is preced with beam I; 4-is preced with beam II; 5-coupling beam I; The stake of 6-water-stop curtain; 7-basement; 8-engineering pile; 9-plain concrete; 10-compaction in layers is banketed; 11-settlement joint; 12-bears one deck basement bottom board; 13-bears two layers of basement bottom board; 14-coupling beam II; 15-Cantilever Beams.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, a Retaining Structure with Double-row Piles for basement space can be made full use of, banket 10 by front campshed 1, rear campshed 2, hat beam I 3, hat beam II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers, negative one deck basement bottom board 12, negative two layers of basement bottom board 13, coupling beam II 14 form; Wherein front campshed 1 top is provided with hat beam I 3, the stake top of rear campshed 2 is provided with hat beam II 4, front campshed 1 is connected by coupling beam I 5 with rear campshed 2 top, water-stop curtain stake 6 is provided with in the soil body after rear campshed 2, by all engineering piles 8 of design and construction after the leveling of place, one coupling beam II 14 is built in 1 top casting of front campshed after a resection, coupling beam II 14 and negative one deck basement bottom board 12 monobloc cast, charge stratifying compacted fill 10 between front campshed 1 and negative two layers of outer wall of basement, filling plain concrete 9 between front campshed 1 and negative two layers of basement bottom board 13.
The rectangular array arrangement of pile body layout of described front campshed 1 and rear campshed 2 and be spaced arrangement.
Before basement structure adopts, campshed is as force transfer system; When before basement structure adopts, campshed is as force transfer system, settlement joint 11 together with the basement of extension must be provided with original basement connecting portion.
The length of described front campshed 1 can be designed to equal rear campshed 2 length.
Embodiment 2: as shown in Figure 1, substantially the same manner as Example 1, its difference:
Can make full use of a Retaining Structure with Double-row Piles for basement space, the pile body layout of described front campshed 1 and rear campshed 2 is " fourth " font array arrangement and is spaced arrangement.
Embodiment 3: as shown in Figure 1, substantially the same manner as Example 1, its difference:
The length of described front campshed 1 can be designed to be greater than rear campshed 2 length.
Embodiment 4: as shown in Figure 1, substantially the same manner as Example 1, its difference:
Can make full use of a Retaining Structure with Double-row Piles for basement space, the pile body layout of described front campshed 1 and rear campshed 2 is " fourth " font array arrangement and is spaced arrangement; The length of described front campshed 1 can be designed to be greater than rear campshed 2 length.
Embodiment 5: as shown in Figure 2, a Retaining Structure with Double-row Piles for basement space can be made full use of, banket 10 by front campshed 1, rear campshed 2, hat beam I 3, hat beam II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers, negative one deck basement bottom board 12, negative two layers of basement bottom board 13, coupling beam II 14 form; Wherein front campshed 1 top is provided with hat beam I 3, the stake top of rear campshed 2 is provided with hat beam II 4, front campshed 1 is connected by coupling beam I 5 with rear campshed 2 top, water-stop curtain stake 6 is provided with in the soil body after rear campshed 2, by all engineering piles 8 of design and construction after the leveling of place, one coupling beam II 14 is built in 1 top casting of front campshed after a resection, coupling beam II 14 and negative one deck basement bottom board 12 monobloc cast, charge stratifying compacted fill 10 between front campshed 1 and negative two layers of outer wall of basement, filling plain concrete 9 between front campshed 1 and negative two layers of basement bottom board 13.
The rectangular array arrangement of pile body layout of described front campshed 1 and rear campshed 2 and be spaced arrangement.
Basement structure adopts Cantilever Beams 15 as vertical force transfer system.
When basement structure adopts Cantilever Beams 15 as vertical force transfer system, the sectional dimension of Cantilever Beams 15 and spacing should calculate according to the load of extension basement structure to be determined.
According to the size of encorbelment width and the dead load load of extension basement, certain Cantilever Beams 15 is set in negative one deck basement bottom board 12 at a certain distance to transmit the load of epitaxial part basement.
Embodiment 6: as shown in Figure 2, substantially the same manner as Example 5, its difference:
Can make full use of a Retaining Structure with Double-row Piles for basement space, the pile body layout of described front campshed 1 and rear campshed 2 is " fourth " font array arrangement and is spaced arrangement.
Embodiment 7: as shown in Figure 1-2, a Retaining Structure with Double-row Piles for basement space can be made full use of, banket 10 by front campshed 1, rear campshed 2, hat beam I 3, hat beam II 4, coupling beam I 5, water-stop curtain stake 6, basement 7, engineering pile 8, plain concrete 9, compaction in layers, negative one deck basement bottom board 12, negative two layers of basement bottom board 13, coupling beam II 14 form; Wherein front campshed 1 top is provided with hat beam I 3, the stake top of rear campshed 2 is provided with hat beam II 4, front campshed 1 is connected by coupling beam I 5 with rear campshed 2 top, water-stop curtain stake 6 is provided with in the soil body after rear campshed 2, by all engineering piles 8 of design and construction after the leveling of place, one coupling beam II 14 is built in 1 top casting of front campshed after a resection, coupling beam II 14 and negative one deck basement bottom board 12 monobloc cast, charge stratifying compacted fill 10 between front campshed 1 and negative two layers of outer wall of basement, filling plain concrete 9 between front campshed 1 and negative two layers of basement bottom board 13.
By reference to the accompanying drawings detailed description of the invention of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (2)
1. can make full use of a Retaining Structure with Double-row Piles for basement space, it is characterized in that: be banketed (10) by front campshed (1), rear campshed (2), hat beam I (3), hat beam II (4), coupling beam I (5), water-stop curtain stake (6), basement (7), engineering pile (8), plain concrete (9), compaction in layers, negative one deck basement bottom board (12), negative two layers of basement bottom board (13), coupling beam II (14) form, wherein front campshed (1) stake top is provided with hat beam I (3), the stake top of rear campshed (2) is provided with hat beam II (4), front campshed (1) is connected by coupling beam I (5) with rear campshed (2) stake top, water-stop curtain stake (6) is provided with in the soil body after rear campshed (2) stake, by all engineering piles of design and construction (8) after the leveling of place, one coupling beam II (14) is built in front campshed (1) stake top casting after a resection, coupling beam II (14) and negative one deck basement bottom board (12) monobloc cast, charge stratifying compacted fill (10) between front campshed (1) and negative two layers of outer wall of basement, filling plain concrete (9) between front campshed (1) and negative two layers of basement bottom board (13).
2. the Retaining Structure with Double-row Piles that can make full use of basement space according to claim 1, is characterized in that: rectangular or " fourth " font array arrangement of the pile body layout of described front campshed (1) and rear campshed (2) and be spaced arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320310.1U CN204982906U (en) | 2015-05-19 | 2015-05-19 | Double row pile supporting construction in ability make full use of basement space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320310.1U CN204982906U (en) | 2015-05-19 | 2015-05-19 | Double row pile supporting construction in ability make full use of basement space |
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| Publication Number | Publication Date |
|---|---|
| CN204982906U true CN204982906U (en) | 2016-01-20 |
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| CN201520320310.1U Withdrawn - After Issue CN204982906U (en) | 2015-05-19 | 2015-05-19 | Double row pile supporting construction in ability make full use of basement space |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040706A (en) * | 2015-05-19 | 2015-11-11 | 昆明理工大学 | Double-row pile support structure capable of fully utilizing basement space and construction method of double-row pile support structure |
| CN106351232A (en) * | 2016-08-30 | 2017-01-25 | 中国建筑西南勘察设计研究院有限公司 | Internal rigid frame support foundation pit supporting structure and construction method thereof |
-
2015
- 2015-05-19 CN CN201520320310.1U patent/CN204982906U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040706A (en) * | 2015-05-19 | 2015-11-11 | 昆明理工大学 | Double-row pile support structure capable of fully utilizing basement space and construction method of double-row pile support structure |
| CN105040706B (en) * | 2015-05-19 | 2017-11-10 | 昆明理工大学 | A kind of Retaining Structure with Double-row Piles and its construction method that can make full use of basement space |
| CN106351232A (en) * | 2016-08-30 | 2017-01-25 | 中国建筑西南勘察设计研究院有限公司 | Internal rigid frame support foundation pit supporting structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171110 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171110 |