CN204080879U - Basement bottom board anti-floating water draw-off - Google Patents
Basement bottom board anti-floating water draw-off Download PDFInfo
- Publication number
- CN204080879U CN204080879U CN201420497767.5U CN201420497767U CN204080879U CN 204080879 U CN204080879 U CN 204080879U CN 201420497767 U CN201420497767 U CN 201420497767U CN 204080879 U CN204080879 U CN 204080879U
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- Prior art keywords
- bottom board
- basement bottom
- tapping pipe
- floating water
- water draw
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000007667 floating Methods 0.000 title claims abstract description 35
- 238000010079 rubber tapping Methods 0.000 claims abstract description 88
- 239000002689 soil Substances 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims description 24
- 239000000706 filtrate Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 25
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000143687 Cantua buxifolia Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses basement bottom board anti-floating water draw-off, basement bottom board comprises the bed course be positioned at above the soil body and the base arrangement layer be positioned at above bed course, basement bottom board anti-floating water draw-off comprises a tapping pipe, tapping pipe runs through base arrangement layer and bed course successively, enter in the soil body, tapping pipe lower end is fixedly connected with shrouding, and the sidewall being arranged in the tapping pipe of the soil body offers some through holes.Basement bottom board anti-floating water draw-off of the present utility model, by offering through hole on tapping pipe sidewall, adding runoff area, improve sluicing speed; The simultaneously shutoff lower end of tapping pipe, avoids Piping phenomenon, for basement bottom board construction provides dry stable construction environment while raising sluicing speed.
Description
Technical field
The utility model belongs to basement bottom board sluicing pressure release anti-floating technical field of construction, particularly relates to a kind of basement bottom board anti-floating water draw-off.
Background technology
Basement foundation ditch construction needs dry construction environment, usually, before excavation of foundation pit, first adopts and goes along with sb. to guard him water-seal pile partition underground water, then by arranging foundation pit dewatering well by below near for underground water excavation of foundation pit face in foundation ditch.After excavation completes, then start to carry out basement bottom board construction in foundation ditch.But foundation pit dewatering well can affect the construction of basement floor constructions, therefore execute man-hour requirement at basement bottom board and pull out foundation pit dewatering well.Now, under the effect of going along with sb. to guard him water-seal pile, substantially can stop underground water by excavation of foundation pit towards upper infiltration, but, under the buoyancy of diving or artesian water, the basement bottom board distortion causing possibly having constructed, cracking.Therefore, complete at the cushion construction of basement bottom board, and basement floor constructions layer not yet assembling reinforcement time, need in basement bottom board, to arrange some spilled water holes to slow down buoyancy force of underground water.Meanwhile, the spilled water hole in basement bottom board also can play basement bottom board drainage further, and the construction for basement bottom board provides the construction environment of dry safety.
Traditional spilled water hole is one vertically run through basement floor constructions layer and bed course and the steel pipe entered in the soil body.Determine that spilled water hole buries the spacing between quantity and each spilled water hole underground according to calculating.During spilled water hole work, underground water slowly infiltrates or flows into steel pipe from the soil body below basement bottom board, and is upwards discharged into outside basement by the top of steel pipe.But when water content of soil is enriched, when especially there is artesian aquifer, under the acting in conjunction of buoyancy force of underground water and artesian water buoyancy, this spilled water hole steel pipe likely becomes the passage of piping, thus forms piping.Piping refers under infiltration flow action, moves in the pore channel that in the soil body, fine grained is formed at coarse granule, runs off, the hole of soil constantly expands, seepage discharge also strengthens thereupon, finally causes forming through seepage channel in the soil body, and the phenomenon destroyed occurs the soil body.Once generation piping, occur magic flower, foundation soil skeleton can be caused to destroy, duct expands, and base soil, by naughty sky, can destroy basement bottom board, the accident such as even can cause that building subsides.
In order to solve the problem of aforementioned piping, the one end this steel pipe being considered to be arranged in the described soil body arranges a shrouding and carries out shutoff, and on shrouding, offers some through holes to carry out basement bottom board draining.But adopt such drainage pattern, owing to being subject to area constraints, the number of openings that can offer is few, thus effectively infiltration area is little, and sluicing speed is slow, can not adapt to the ground water drainage demand in basement bottom board work progress well.In addition, in the soil body below spilled water hole, hydraulic pressure is comparatively large, likely destroys the structure of shrouding with holes in upwards drainage procedure.
In sum, in traditional basement bottom board anti-floating technology, there is with in raising drainage speed two conflict avoiding Piping phenomenon.Therefore, how a kind of basement bottom board anti-floating water draw-off not only can avoided Piping phenomenon but also can take into account drainage speed is provided, becomes the technical problem that those skilled in the art are urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of basement bottom board anti-floating water draw-off, to solve in prior art the problem avoiding Piping phenomenon and raising drainage speed to take into account.
To achieve these goals, the technical solution of the utility model is:
Basement bottom board anti-floating water draw-off, described basement bottom board comprises the bed course be positioned at above the soil body and the base arrangement layer be positioned at above described bed course, described basement bottom board anti-floating water draw-off comprises a tapping pipe, described tapping pipe runs through described base arrangement layer and described bed course successively, enter in the described soil body, described tapping pipe lower end is fixedly connected with shrouding, and the sidewall being arranged in the described tapping pipe of the described soil body offers some through holes.
Further, also comprise filtration sleeve pipe and a filtrate, the bottom of described filtration sleeve pipe is fixedly connected with described lower shrouding, the top of described filtration sleeve pipe is connected with a upper sealing plate, described upper sealing plate is positioned at described bed course upper surface, and described filtration casing pipe sleeve is located at the outside of described tapping pipe, the sidewall being arranged in the described filtration sleeve pipe of the described soil body offers some through holes; Described filtration sleeve pipe, described tapping pipe, described upper sealing plate and described lower shrouding surround formation one chamber, and described filtrate is filled in described chamber.
Further, the inside wall of described chamber is provided with filter screen.
Further, the radial spacing L of described tapping pipe and described filtration sleeve pipe is 15cm-20cm.
Further, described filtrate is filter sand.
Further, also comprise an extension tube, screwed connection is passed through in the upper end of described extension tube and described tapping pipe.
Further, described base arrangement layer is provided with groove, and described extension tube is connected with described tapping pipe through described groove.
Further, the depth H of described groove is 4cm-6cm.
Further, pointing cystosepiment in described groove.
Further, also comprise a seal plate, described seal plate is sheathed on outside described tapping pipe, and is arranged in described base arrangement layer.
The utility model compared with prior art, tool has the following advantages and beneficial effect: basement bottom board anti-floating water draw-off of the present utility model, basement bottom board comprises the bed course be positioned at above the soil body and the base arrangement layer be positioned at above bed course, basement bottom board anti-floating water draw-off comprises a tapping pipe, tapping pipe runs through base arrangement layer and bed course successively, enter in the soil body, tapping pipe lower end is fixedly connected with shrouding, and the sidewall being arranged in the tapping pipe of the soil body offers some through holes.Basement bottom board anti-floating water draw-off of the present utility model, by offering through hole on tapping pipe sidewall, adding runoff area, improve sluicing speed; The simultaneously shutoff lower end of tapping pipe, avoids Piping phenomenon, for basement bottom board construction provides dry stable construction environment while raising sluicing speed.
Accompanying drawing explanation
Basement anti-floating water draw-off of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the utility model one embodiment basement anti-floating water draw-off;
Fig. 2 is the structural representation of another embodiment basement anti-floating water draw-off of the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, basement bottom board anti-floating water draw-off of the present utility model is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.
Composition graphs 1 and Fig. 2 describe the structure of the utility model basement bottom board anti-floating water draw-off in detail.
As shown in Figure 1, basement bottom board comprises the bed course 2 be positioned at above the soil body 1 and the base arrangement layer 3 be positioned at above bed course 2; Basement bottom board water draw-off comprises a tapping pipe 4, and tapping pipe 4 runs through base arrangement layer 3, bed course 2 successively, enters in the soil body 1, and tapping pipe 4 lower end is fixedly connected with shrouding 5, and the sidewall being arranged in the soil body 1 tapping pipe 4 offers some through holes 6.
Specifically, continue with reference to figure 1, the sidewall that the basement bottom board anti-floating water draw-off employing of the present embodiment is arranged in the soil body 1 at tapping pipe 4 offers some through holes 6 to increase runoff area, thus anti-floating sluicing speed when improving basement bottom board construction.The water being arranged in the soil body 1 flows into tapping pipe 4 by some through holes 6, under the effect of water buoyancy along tapping pipe 4 upwards, discharges from the top of tapping pipe 4.Offer compared with through hole with prior art in tapping pipe bottom, the area being arranged in area ratio tapping pipe 4 bottom of tapping pipe 4 sidewall of the soil body 1 is larger, therefore can offer more through hole 6 on the sidewall of tapping pipe 4 being arranged in the soil body 1; And, the degree of depth in the soil body 1 can be inserted by increase tapping pipe 4, increase the area being arranged in tapping pipe 4 sidewall of the soil body 1 further, through hole 6 quantity that tapping pipe 4 sidewall is offered is increased further, the increase of through hole 6 quantity, directly enhances sluicing speed.Therefore, by offering some through holes 6 on the sidewall of tapping pipe 4 being arranged in the soil body 1, basement bottom board sluicing speed can be improved.Certainly, in order to prevent through hole 6 or tapping pipe 4 blocked, burying underground between hole that the pipeline section of tapping pipe 4 in the soil body 1 and basement bottom board are preset also is filled with filtrate.Like this, the rubbish filtering of underground water can be fallen by filtrate, avoid it to enter tapping pipe 4 by through hole 6, to reach anti-clogging effect.
In addition, continue with reference to figure 1 because be fixedly connected with time shrouding 5 in tapping pipe 4 lower end, though when buoyancy force of underground water and artesian water buoyancy larger, also because lower shrouding 5 blocks the passage that underground water is upwards gushed by tapping pipe 4 lower end, the generation of Piping phenomenon is avoided.
But continue with reference to figure 1, the underground water in the soil body 1 is infiltrated in the process of tapping pipe 4 by through hole 6, likely brings rubbish and mud etc. into, can block through hole 6.In order to avoid the situation that above-mentioned through hole 6 is blocked, in another embodiment of the present utility model, as shown in Figure 2, filtrate 10 can also be increased in the periphery of tapping pipe 4, in order to filtrate 10 is fixed in the peripheral certain area of tapping pipe 4, can uses and filter sleeve pipe 7.Specifically, the bottom of filtering sleeve pipe 7 is fixedly connected with lower shrouding 5, the top of filtering sleeve pipe 7 is connected with the upper sealing plate 8 of, upper sealing plate 8 is positioned at bed course 2 upper surface, and filter sleeve pipe 7 and be sheathed on the outside of tapping pipe 4, the sidewall being arranged in the filtration sleeve pipe 7 of the soil body 1 offers some through hole (not shown)s; Filter sleeve pipe 7 and surround formation one chamber 9 with tapping pipe 4, upper sealing plate 8 and lower shrouding 5, in its middle chamber 9, have filtrate 10 to fill up.Underground water, before entering tapping pipe 4, needs first by filtrate 10, through filtrate 10, the rubbish filtering of underground water can be fallen, avoid it to enter tapping pipe 4 by through hole 6, thus avoid through hole 6 or tapping pipe 4 blocked.When considering the selection of filtrate 10, considering convenience that is cost-saving and that draw materials, filter sand can be selected as filtrate 10.
Continue with reference to figure 2, in order to further by underground water more the rubbish filtering of small particle diameter fall, filter screen (not shown) can be set at the inside wall of chamber 9.Consider the Functional Requirement of filter screen, prioritizing selection is with corrosion-resistant, and the nylon mesh of good toughness is as filter screen.Like this, can prevent the rubbish in the soil body 1 from entering chamber 9 from through hole along with current near the filter screen filtering sleeve pipe 7 sidewall; Filter screen near tapping pipe 4 sidewall enters chamber 9 except preventing the rubbish in the soil body 1 along with current, and can prevent filtrate 10 from entering tapping pipe 4.By arranging filter screen in the inner side of chamber 9, the blockage problem of through hole 6 on tapping pipe 4 sidewall can be solved further, can also prevent filtrate 10 from entering tapping pipe 4, thus accelerate sluicing speed further.Certainly, better filtering anti-clogging effect to reach, the permeable pad net (not shown) of one deck can also be set up at filter screen near the side of the soil body 1.And this pad net can also play the effect of protection filter screen.Consider convenience and the Functional Requirement of installation, the trapezoidal solids net be made by iron wire can be selected as pad net.
Continue with reference to figure 2, in order to reach good filter effect, needing the filtrate 10 of filling appropriate amount, considering in addition to offer the impact of spilled water hole on whole basement floor constructions, tapping pipe 4 and the radial spacing L filtered between sleeve pipe 7 can be set to 15cm-20cm.
Especially, continue with reference to figure 1 and Fig. 2, after basement construction of bottom plates completes, the part that tapping pipe 4 exceeds base arrangement layer upper surface needs to slice off, and keeps smooth to make basement bottom board upper surface.Conveniently construct, reduce the impact of cutting and basement bottom board being caused, can be directly mutually concordant with the upper surface of base arrangement layer 3 by the upper end of tapping pipe 4, but in order to ensure the normal sluicing in work progress, also need to connect an extension tube 11 in the upper end of tapping pipe 4, discharge basement bottom board to facilitate the underground water in tapping pipe 4.Specifically, extension tube 11 passes through screwed connection with the upper end of tapping pipe 4, after basement bottom board construction by the time terminates, extension tube 11 is got off from unloading tapping pipe 4, and do not need extra cutting action, the effect that basement bottom board upper surface keeps smooth can be reached.
Especially, according to job specfication requirement, after basement construction of bottom plates completes, no longer discharge underground water by spilled water hole, now need shutoff tapping pipe 4, to facilitate the construction of subsequent decorations layer etc.Consider and use silently (not shown) to carry out the convenience for construction of shutoff to tapping pipe 4 upper end, can arrange groove 12 at the upper surface of base arrangement layer 3, extension tube 11 is connected with tapping pipe 4 through groove 12.Certainly, consider that the degree of depth of groove 12 is identical with the thickness silently going deep into base arrangement layer 3, in conjunction with the Functional Requirement of silently shutoff, the depth H of groove 12 can be 4cm-6cm, and preferably, the depth H of groove 12 is 5cm.Certainly, because groove 12 is reserved designs, therefore, in order to follow-up convenience of silently constructing, during construction groove 12, can in groove 12 pointing cystosepiment (not shown).After later stage pulls out extension tube 11, defoam plate, exposes groove 12, silently will insert in groove 12, thus complete the shutoff to tapping pipe 4 upper end.
Further, continue with reference to figure 1 and Fig. 2, owing to having offered spilled water hole in basement bottom board, in spilled water hole, water draw-off is set, and the water level of underground water is usually above the absolute altitude of basement bottom board, therefore underground water upwards can permeate along tapping pipe 4, can affect the function of basement bottom board.The connecting portion of basement bottom board and anti-floating water draw-off, belongs to the weak link of basement bottom board waterproof.Therefore, can in the outside of tapping pipe 4 a sheathed seal plate 13, seal plate 13 is arranged in base arrangement layer 3.By welding seal plate 13 (steel plate) on the tube wall of tapping pipe 4, when water upwards permeates along the gap of tapping pipe 4 body and basement bottom board, cannot up ooze when reaching seal plate 13 position, seal plate 13 serves the effect cutting off water permeation path again.Now, even if water permeates along the gap between seal plate 13 and basement bottom board concrete, because seal plate 13 has one fixed width, also extend the permeation pathway of water, the waterproof action of basement bottom board can be played equally.
In sum, basement bottom board anti-floating water draw-off provided by the utility model, comprises a tapping pipe, tapping pipe runs through base arrangement layer and bed course successively, enter in the soil body, tapping pipe lower end is by shrouding shutoff once, and the pipeline section sidewall that tapping pipe is arranged in the soil body offers some through holes.Offer through hole by the sidewall that is arranged in soil body pipeline section at tapping pipe, add runoff area, improve sluicing speed; The simultaneously shutoff lower end of tapping pipe, avoids Piping phenomenon, for basement bottom board construction provides dry stable construction environment while raising sluicing speed.In addition, in order to the process preventing the underground water being arranged in the soil body from being discharged by tapping pipe, rubbish and mud etc. brought into and blocks through hole, adding a filtration sleeve pipe, filtrate being filled in and filtering in chamber that sleeve pipe and tapping pipe and upper and lower shrouding surround.In addition, filter screen can also be set at the inwall of chamber, prevent the rubbish of more small particle diameter from entering further, ensure that the continuation of draining.
Foregoing description is only the description to the utility model preferred embodiment, any restriction not to the utility model scope.Any change that those skilled in the art does according to above-mentioned disclosure, modification, all belong to the protection domain of claim.
Claims (10)
1. basement bottom board anti-floating water draw-off, described basement bottom board comprises the bed course be positioned at above the soil body and the base arrangement layer be positioned at above described bed course, it is characterized in that, described basement bottom board anti-floating water draw-off comprises a tapping pipe, described tapping pipe runs through described base arrangement layer and described bed course successively, enter in the described soil body, described tapping pipe lower end is fixedly connected with shrouding, and the sidewall being arranged in the described tapping pipe of the described soil body offers some through holes.
2. basement bottom board anti-floating water draw-off as claimed in claim 1, it is characterized in that, also comprise filtration sleeve pipe and a filtrate, the bottom of described filtration sleeve pipe is fixedly connected with described lower shrouding, the top of described filtration sleeve pipe is connected with a upper sealing plate, described upper sealing plate is positioned at described bed course upper surface, and described filtration casing pipe sleeve is located at the outside of described tapping pipe, and the sidewall being arranged in the described filtration sleeve pipe of the described soil body offers some through holes; Described filtration sleeve pipe, described tapping pipe, described upper sealing plate and described lower shrouding surround formation one chamber, and described filtrate is filled in described chamber.
3. basement bottom board anti-floating water draw-off as claimed in claim 2, it is characterized in that, the inside wall of described chamber is provided with filter screen.
4. basement bottom board anti-floating water draw-off as claimed in claim 2, it is characterized in that, the radial spacing L of described tapping pipe and described filtration sleeve pipe is 15cm-20cm.
5. basement bottom board anti-floating water draw-off as claimed in claim 2, it is characterized in that, described filtrate is filter sand.
6. the basement bottom board anti-floating water draw-off according to any one of claim 1 to 5, is characterized in that, also comprise an extension tube, screwed connection is passed through in the upper end of described extension tube and described tapping pipe.
7. basement bottom board anti-floating water draw-off as claimed in claim 6, it is characterized in that, described base arrangement layer is provided with groove, and described extension tube is connected with described tapping pipe through described groove.
8. basement bottom board anti-floating water draw-off as claimed in claim 7, it is characterized in that, the depth H of described groove is 4cm-6cm.
9. basement bottom board anti-floating water draw-off as claimed in claim 8, is characterized in that, pointing cystosepiment in described groove.
10. basement bottom board anti-floating water draw-off as claimed in claim 6, it is characterized in that, also comprise a seal plate, described seal plate is sheathed on outside described tapping pipe, and is arranged in described base arrangement layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497767.5U CN204080879U (en) | 2014-08-29 | 2014-08-29 | Basement bottom board anti-floating water draw-off |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497767.5U CN204080879U (en) | 2014-08-29 | 2014-08-29 | Basement bottom board anti-floating water draw-off |
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| Publication Number | Publication Date |
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| CN204080879U true CN204080879U (en) | 2015-01-07 |
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| CN201420497767.5U Expired - Fee Related CN204080879U (en) | 2014-08-29 | 2014-08-29 | Basement bottom board anti-floating water draw-off |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155592A (en) * | 2015-10-14 | 2015-12-16 | 中建八局第三建设有限公司 | Base plate pressure reducing device |
| CN105544621A (en) * | 2015-12-11 | 2016-05-04 | 中衡设计集团股份有限公司 | Building structure for lowering designed anti-floating water level of heap slope building |
| CN105625481A (en) * | 2016-03-21 | 2016-06-01 | 上海长凯岩土工程有限公司 | Construction method for drainage holes for underground constructions |
| CN105804124A (en) * | 2016-03-21 | 2016-07-27 | 上海长凯岩土工程有限公司 | Sudden-surging-prevention water pressure control method used for underground engineering |
| CN106567415A (en) * | 2016-11-04 | 2017-04-19 | 上海中锦建设集团股份有限公司 | Drain sleeve for preventing basement floating upward and use method |
| CN108018859A (en) * | 2017-12-12 | 2018-05-11 | 中国建筑第八工程局有限公司 | Foundation Pit Pouring emergency processing method and structure |
| CN108930263A (en) * | 2018-09-04 | 2018-12-04 | 商丘工学院 | A kind of basement process structure based on level of ground water |
| CN116005730A (en) * | 2022-12-09 | 2023-04-25 | 中建八局第二建设有限公司 | Basement bottom plate water drainage hole structure and construction method thereof |
-
2014
- 2014-08-29 CN CN201420497767.5U patent/CN204080879U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155592A (en) * | 2015-10-14 | 2015-12-16 | 中建八局第三建设有限公司 | Base plate pressure reducing device |
| CN105544621A (en) * | 2015-12-11 | 2016-05-04 | 中衡设计集团股份有限公司 | Building structure for lowering designed anti-floating water level of heap slope building |
| CN105625481A (en) * | 2016-03-21 | 2016-06-01 | 上海长凯岩土工程有限公司 | Construction method for drainage holes for underground constructions |
| CN105804124A (en) * | 2016-03-21 | 2016-07-27 | 上海长凯岩土工程有限公司 | Sudden-surging-prevention water pressure control method used for underground engineering |
| CN105804124B (en) * | 2016-03-21 | 2018-02-23 | 上海长凯岩土工程有限公司 | Underground engineering gushes hydraulic pressure control method with protrusion-dispelling |
| CN105625481B (en) * | 2016-03-21 | 2018-11-27 | 上海长凯岩土工程有限公司 | A kind of underground engineering sluicing hole construction method |
| CN106567415A (en) * | 2016-11-04 | 2017-04-19 | 上海中锦建设集团股份有限公司 | Drain sleeve for preventing basement floating upward and use method |
| CN108018859A (en) * | 2017-12-12 | 2018-05-11 | 中国建筑第八工程局有限公司 | Foundation Pit Pouring emergency processing method and structure |
| CN108930263A (en) * | 2018-09-04 | 2018-12-04 | 商丘工学院 | A kind of basement process structure based on level of ground water |
| CN116005730A (en) * | 2022-12-09 | 2023-04-25 | 中建八局第二建设有限公司 | Basement bottom plate water drainage hole structure and construction method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |