CN100580196C - Displacement regulator - Google Patents
Displacement regulator Download PDFInfo
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- CN100580196C CN100580196C CN200810123871A CN200810123871A CN100580196C CN 100580196 C CN100580196 C CN 100580196C CN 200810123871 A CN200810123871 A CN 200810123871A CN 200810123871 A CN200810123871 A CN 200810123871A CN 100580196 C CN100580196 C CN 100580196C
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- water
- water inlet
- solid
- container
- fluid layer
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000012530 fluid Substances 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006004 Quartz sand Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 10
- 239000004927 clay Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 239000010438 granite Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The invention discloses a displacement regulator, which comprises a container with an opening at the upper end, a loading pad and a solid fluid layer, wherein the solid fluid layer is arranged at the lower end in the container, the loading pad is arranged at the upper end in the container and acts on the solid fluid layer, the lower end of the container is also provided with a water inlet and a water outlet, a three-way pipe generating vacuum or negative pressure at a third port is arranged between the water inlet and the water outlet, and the other two ends of the three-way pipe are respectively connected with the water inlet and the water outlet. Compared with the prior art, the displacement adjusting device is arranged on the pile top, the two water pipes are respectively connected with the water inlet and the water outlet and led out to the ground, when the displacement is adjusted, only water with certain pressure is needed to be introduced into the water inlet, when the pressure water passes through the three-way pipe, solid fluid such as quartz sand and the like is sucked out and discharged from the water outlet along with the water, and the supporting capacity of the loading cushion on the solid fluid layer is changed. The invention has simple structure and convenient displacement adjustment operation.
Description
Technical field
The present invention relates to the building pile foundation technical field, especially a kind of displacement governor.
Background technology
For many years, consider that the composite pile foundation design theory of pile soil common action has obtained paying attention to widely both at home and abroad, obtained the achievement of abundant research.But more regrettably, above-mentioned achievement in research still only is applicable to the soft clay area based on friction pile, and other but can't use based on the non-soft clay area of end bearing pile always.Trace it to its cause, mainly be in non-soft clay area, bearing capacity of foundation slab is higher, multistory building often directly adopts natural ground, and in the little high level, high rise building foundation PRACTICE OF DESIGN, but tend to run into following situation: natural foundation bearing capacity is higher, but does not still satisfy load bearing requirements or sedimentation is excessive, and it has more satisfactory bearing course at pile end down again.If adopt raft plate (case) basis on the natural ground this moment, can not meet the demands; As adopt a raft (case) basis, fine because of the bearing course at pile end soil property, compressibilty is low, the foundation pile sedimentation is also very little, is end bearing pile or friction end bearing pile, even strengthen pilespacing (more than the 6d), also be difficult to give full play to the bearing capacity of inter-pile soil, the superstructure load is mainly born by stake.At this moment good natural foundation bearing capacity is given it up, and is very unfortunate.
Among the present invention, can't realize the problem of pile soil common action in order to separate soft clay area end bearing pile by no means, a kind of special deformation adjustment device of special development, after this device is arranged at stake top, can regulate the support stiffness of foundation pile, when guaranteeing the native compatibility of deformation of stake, pile foundation plays a role all the time, and bears the superstructure load synchronously with foundation soil.The end bearing pile that the present invention will use this device is called the end bearing pile composite pile foundation.Composite pile foundation on end bearing pile composite pile foundation and the conventional meaning has marked difference on stress performance, be actually a kind of expansion to conventional composite pile foundation notion.The basic goal that the present invention proposes is exactly: no matter be that soft clay area also is non-soft clay area, no matter also the stake type of building is friction pile or end bearing pile, as long as bearing capacity of foundation slab has certain space that utilizes, by enforcement of the present invention, all can realize the acting in conjunction of stake soil, thus the cost of saving building.
The first generation self adaptation deformation adjustment device that the applicant succeeds in developing, the patent No. is ZL200510040316.4, though can adjusting rigidity be set according to carrying and needs, in case install, just can't adjust its rigidity again, make its rational application depend on the design-calculated correctness largely.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and provides a kind of simple to operate, but the adjuster of free adjustment stake top displacement, with the support stiffness of energy active adjustment pile foundation after its installation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of top displacement adjustment device, the container that comprises upper end open, load pad and solid-state fluid layer, solid-state fluid layer is arranged on the lower end in the container, described loading pad is arranged on the upper end in the container and acts on the solid-state fluid layer, lower end at container also is provided with water inlet and delivery port, between water inlet and delivery port, also be provided with a tee piece, this tee piece is positioned at solid-state fluid layer, first port of tee piece connects water inlet by water inlet pipe, second port of tee piece connects delivery port by outlet pipe, the 3rd end at tee piece also is connected with a water nozzle, this water nozzle is provided with the aperture that solid-state fluid passes through, and also is provided with an Oil gun head at first port of tee piece, and the internal diameter of the nozzle of this Oil gun head is less than the internal diameter of water inlet pipe.
Container internal solid fluid layer of the present invention is filled solid-state fluid, such as quartz sand, the upper end is for loading pad, in solid-state fluid layer, tee piece is set, one end connects water inlet, one end connects delivery port, the other end is connected with the water nozzle that is used for the osculum that solid-state fluid passes through, during use, at water inlet injection pressure water, current are through behind the Oil gun head, form eddy current and vacuum in the body of wall of tee piece, solid-state fluid such as quartz sand will be drawn in the cavity of tee piece by the aperture of water nozzle, and flow out from delivery port with current, along with the minimizing gradually of container internal solid fluid quartz sand, the enabling capabilities that loads pad changes thereupon.
Compared with prior art, the present invention has following advantage:
1, on underground stake top displacement adjustment device of the present invention is set, and connect the water inlet and the delivery port of container respectively and lead to ground with two water pipes, when regulating displacement, the water that only needs to feed certain pressure at water inlet gets final product, press water is being discharged from delivery port together with sucking-off such as solid-state fluid such as quartz sand and in company with water when the tee piece, and the enabling capabilities that is positioned at the loading pad on the solid-state fluid layer changes thereupon.The present invention is simple in structure, and displacement is regulated easy to operate.
2, connect flow meter in water inlet of the present invention, thereby can control the displacement on stake top accurately by flow velocity and discharge.
3, the present invention is arranged on underground, can't repair after the construction, therefore to reliability require high, realize the displacement adjusting so can not adopt complex mechanical construction or electronic equipment, adopt the mode of water pipe to regulate displacement, structure is simple more, and the probability that accidents happened is low more, so reliability is also high.
4, solid-state fluid adopts quartz sand, quartz sand hardness height on the one hand, and surperficial comparison rule when water nozzle flows out, can not stopped up the water nozzle aperture; The opposing party's quartz sand low price, construction cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated, as shown in Figure 1, comprise upper end open container 1, load pad 2 and solid-state fluid layer 3, solid-state fluid layer 3 is arranged on the lower end in the container 1, loads pad 2 and is arranged on the upper end in the container 1 and acts on the solid-state fluid layer 3, be filled with solid-state fluid in the solid-state fluid layer, such as quartz sand, when solid-state fluid reduced, the position that loads pad 2 also changed promptly thereupon and descends.Also be provided with water inlet 4 and delivery port 5 in the lower end of container 1, between water inlet 4 and delivery port 5, also be provided with a tee piece 6, this tee piece 6 is positioned at solid-state fluid layer 3, first port of tee piece 6 connects water inlet 4 by water inlet pipe, second port of tee piece 6 connects delivery port 5 by outlet pipe, the 3rd end at tee piece 6 also is connected with a water nozzle 7, this water nozzle 7 is provided with the aperture that solid-state fluid passes through, first port at tee piece 6 also is provided with an Oil gun head 8, the internal diameter of the nozzle of this Oil gun head 8 is less than the internal diameter of water inlet pipe, when water inlet 4 feeds the water of certain pressure, through behind the Oil gun head 8, water flow velocity is accelerated, and forms eddy current or vacuum in the internal cavities of tee piece.Outside water inlet 4, also be provided with and be used to the tachograph that the penstocks of certain pressure water is provided and is used to measure water flow velocity.
Uniform quartz sand is housed in the container 1, and water inlet pipe connects penstocks jetting in tee piece, and current form eddy current and vacuum by Oil gun head in the cavity of tee piece, quartz sand is drawn in the cavity of tee piece by water nozzle, discharge with current.Along with the quartz sand in the container reduces gradually, the bearing value that loads pad changes thereupon.The flow velocity of the penstocks that water inlet pipe connects can be controlled by flow meter, and along with the variation of flow velocity, the quantity that sand flow goes out also changes, and changes the support stiffness that loads pad with this.
In fact, proposition of the present invention not only only is used to realize the acting in conjunction of end bearing pile composite pile foundation, also plays a part certain to solving following problem:
1. on granite residual soil area (as Xiamen, Shenzhen and other places), foundation soil is better relatively, as not disturbance very high bearing capacity is arranged, and can bear most superstructure load (little high level, highrise building), as adopt the generalized compound pile foundation can significantly reduce with stake quantity, reduce cost.But the typical geology condition in granite residual soil area be exactly in the soil through the not weathering boulder of residual not of uniform size, One's name is legion of regular meeting and random distribution, even the stake number is less, pile foundation construction still need pass through boulder, unusual difficulty not only, and taking time and effort.At this moment, the deformation adjustment device that is provided with on the stake top can be regulated the stake soil distortion (dissimilar pile foundation coexistences) under the different support conditionses, conventional pile foundation can be changed into the hand excavated pile of easy construction fully, in the work progress as boulder, then directly with pile bearing on boulder, as do not meet boulder then the stake long 10-15 rice can seal stake.Even complexity also always can convenient construction again for geological conditions like this.
Therefore, in the granite residual soil area, enforcement of the present invention can not only be given full play to the good bearing capacity of residual soil, and can also avoid owing to there is the great difficulty of bringing for conventional pile foundation construction in a large amount of boulders.
2. pile foundation is used in a large number at present, and when building need be removed, the old stake and the new pile bearing rigidity that are retained in the ground differed greatly, and are difficult to utilize again, will bring huge difficulty to the construction on new building thing basis.With the area, Nanjing is example, and the 60 to 70's of location, city eighties of last century even the eighties building have and much removed reconstruction, in the process of construction, have run into the problems referred to above, and has brought very big difficulty also for the construction of new building.Can predict, in the following a very long time, this problem will be more and more serious.If by at the stake end deformation adjustment device being set, enforcement of the present invention realizes the acting in conjunction of new and old stake, then can address the above problem fully, and not only speed of application is fast, and economy, environmental protection.
Claims (3)
1, a kind of top displacement adjustment device, it is characterized in that: the container (1) that comprises upper end open, load pad (2) and solid-state fluid layer (3), solid-state fluid layer (3) is arranged on the lower end in the container (1), described loading pad (2) is arranged on the upper end in the container (1) and acts on the solid-state fluid layer (3), also be provided with water inlet (4) and delivery port (5) in the lower end of container (1), between water inlet (4) and delivery port (5), also be provided with a tee piece (6), this tee piece (6) is positioned at solid-state fluid layer (3), first port of tee piece (6) connects water inlet (4) by water inlet pipe, second port of tee piece (6) connects delivery port (5) by outlet pipe, the 3rd end at tee piece (6) also is connected with a water nozzle (7), this water nozzle (7) is provided with the aperture that solid-state fluid passes through, first port at tee piece (6) also is provided with an Oil gun head (8), and the internal diameter of the nozzle of this Oil gun head (8) is less than the internal diameter of water inlet pipe.
2, stake according to claim 1 top displacement adjustment device is characterized in that: also be provided with outside described water inlet (4) and be used to the tachograph that the penstocks of certain pressure water is provided and is used to measure water flow velocity.
3, according to claim 1 and 2 top displacement adjustment device, it is characterized in that: described solid-state fluid layer (3) is a quartz sand layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810123871A CN100580196C (en) | 2008-05-27 | 2008-05-27 | Displacement regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810123871A CN100580196C (en) | 2008-05-27 | 2008-05-27 | Displacement regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101289869A CN101289869A (en) | 2008-10-22 |
| CN100580196C true CN100580196C (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810123871A Expired - Fee Related CN100580196C (en) | 2008-05-27 | 2008-05-27 | Displacement regulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN100580196C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237218B (en) * | 2016-03-28 | 2019-11-29 | 北京知易普道技术有限责任公司 | Adjustment of displacement compensation device and rail system comprising adjustment of displacement compensation device |
| CN107237219B (en) * | 2016-03-28 | 2020-01-24 | 北京知易普道技术有限责任公司 | Horizontal and composite direction displacement adjusting and compensating device and mechanism |
| CN107237220B (en) * | 2016-03-28 | 2019-11-29 | 北京知易普道技术有限责任公司 | It can material filling type adjustment of displacement compensation device |
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- 2008-05-27 CN CN200810123871A patent/CN100580196C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101289869A (en) | 2008-10-22 |
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Granted publication date: 20100113 Termination date: 20120527 |