CN203531009U - Basement bottom plate rubble layer hydrophobic structure - Google Patents

Basement bottom plate rubble layer hydrophobic structure Download PDF

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Publication number
CN203531009U
CN203531009U CN201320648071.3U CN201320648071U CN203531009U CN 203531009 U CN203531009 U CN 203531009U CN 201320648071 U CN201320648071 U CN 201320648071U CN 203531009 U CN203531009 U CN 203531009U
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China
Prior art keywords
layer
hydrophobic
bottom plate
drainage blanket
basement bottom
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Expired - Fee Related
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CN201320648071.3U
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Chinese (zh)
Inventor
刘衍华
石立国
丁鹏
杨先平
谭芝
马文浩
陈博
朱俊成
张继川
李太云
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Priority to CN201320648071.3U priority Critical patent/CN203531009U/en
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Publication of CN203531009U publication Critical patent/CN203531009U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides a basement bottom plate gravel layer hydrophobic structure, sets up the upper surface at basement bottom plate, by the concrete surface course that looks for slope layer, hydrophobic layer, waterproof isolation layer and be furnished with the reinforcing bar net piece that connects gradually from bottom to top and constitute, the hydrophobic layer is the rubble hydrophobic layer, and the bottom of rubble hydrophobic layer is parallel and the interval has buried a plurality of cross-sections underground and is the arch, vertically leads to long leading water pipe along the bottom plate, and leading water pipe's bottom is detained and is put and look for slope layer upper surface, and a plurality of hydrophobic holes of the hunch portion upstream surface equipartition of leading water pipe, and leading water pipe's both ends communicate with each other with the drainage ditch around the bottom plate. And the aggregate grading of the hydrophobic layer is 15-25. The water conduit is made by splitting a PVC pipe along the central axis of the PVC pipe. The utility model provides a compressive strength on traditional hydrophobic plate can't guarantee the overhead layer, and use easy warp deformation for a long time, cause concrete placement back unsettled hollowing, concrete surface course technical problem that sink or ftracture.

Description

The hydrophobic structure of basement bottom board macadam
Technical field
The utility model belongs to the hydrophobic structure of deep foundation ditch basement bottom board, particularly a kind of structure that uses macadam to do drainage blanket on basement bottom board.
Background technology
Expansion along with construction work scale, the common projected depth of basement in high rise building is larger, groundwater seepage pressure is also often larger, on concrete floor, imperceptible crack all may cause seepage under Water Pressure, in addition on-site concrete maintenance can not guarantee that concrete floor is completely in water or under moist condition because of the limitation of conditions, pumping of concrete water/binder ratio is larger, easily makes concrete shrinkage amount increase and shrinkage cracking and seepage; Mass concrete of basement foundation plate internal-external temperature difference makes concrete floor produce crack and causes seepage; Concrete construction quality difference fracturing gap or hole cause seepage.The situation that need repeatedly carry out high pressure grouting processing in Practical Project due to concrete cracking can be found everywhere, and some engineerings have a strong impact on use function because crack-leakage can not get effectively control.
What the hydrophobic structure of traditional basement was used is finished product water draining plate, this water draining plate is arranged between sloping layer and concrete pavement, but concrete pavement must be built completely to the plush copper of full water draining plate while using, once build the improper compressive strength that cannot guarantee Stilt layer that easily causes, and the easy buckling deformation of the long-time use of water draining plate, causing the absolutely empty drum of concreting rear overhang, concrete pavement sink or cracking, need carry out the processing of thin portion and later stage finished product maintenance, the engineering time is long.Therefore be badly in need of a kind of more effectively, the method for simpler base plate leakproof draining.
Utility model content
The purpose of this utility model is to provide the hydrophobic structure of a kind of basement bottom board macadam, solve the compressive strength that traditional water draining plate cannot guarantee Stilt layer, and use for a long time easy buckling deformation, cause the absolutely empty drum of concreting rear overhang, the technical problem that concrete pavement sink or ftractures.
For achieving the above object, the utility model adopts following technical scheme:
The hydrophobic structure of a kind of basement bottom board macadam, be arranged on the upper surface of basement bottom board, by the sloping layer connecting successively from bottom to top, drainage blanket, watertight insulation forms with the concrete pavement of being furnished with reinforced mesh, described drainage blanket is rubble drainage blanket, it is arch that parallel and interval, the bottom of rubble drainage blanket is embedded with a plurality of cross sections, along the longitudinal elongated conduit pipe of base plate, the bottom of conduit pipe buckles sloping layer upper surface, the uniform a plurality of weep holes of arch upstream face of conduit pipe, the two ends of conduit pipe communicate with base plate gutter around, the upper surface self-leveling of described concrete pavement.
The grading of aggregate of described drainage blanket is 15~25.
Described conduit pipe is that pvc pipe is divided into two to cut open along its axis and makes.
Compared with prior art the utlity model has following characteristics and beneficial effect:
The utility model has overcome water draining plate need be filled up by concrete the defect of plush copper guarantee intensity, adopts the larger rubble of intensity to do base plate drainage blanket, and good endurance prevents sinking or cracking of concrete pavement.Arch form is set and along the longitudinal elongated PVC conduit pipe of base plate in drainage blanket, not yielding, conduit pipe is that pvc pipe is divided into two and cuts open as arch form along vertical axis, arch form upstream face area is large, be beneficial to draining, conduit pipe two ends communicate with base plate transverse drain ditch, and gutter communicates with collecting well, and drainage effect is good.
The utility model easy construction and degree of safety are high, and later stage leak stopping is repaired and saved the time that thin portion processes and finished product keeps in repair relatively, economizes on resources and reduces the duration.The utility model cost is low, draws materials conveniently, and easy construction, can extensive use and the hydrophobic construction of basement bottom board.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1-basement bottom board, 2-sloping layer, 3-drainage blanket, 4-watertight insulation, 5-concrete pavement, 6-gutter, 7-conduit pipe.
The specific embodiment
Embodiment is shown in Figure 1, the hydrophobic structure of a kind of basement bottom board macadam, be arranged on the upper surface of basement bottom board 1, by the sloping layer 2 connecting successively from bottom to top, drainage blanket 3, watertight insulation 4 forms with the concrete pavement 5 of being furnished with reinforced mesh, described drainage blanket 3 is rubble drainage blankets, it is arch that parallel and interval, the bottom of rubble drainage blanket is embedded with a plurality of cross sections, along the longitudinal elongated conduit pipe 7 of base plate, the bottom of conduit pipe 7 buckles sloping layer 2 upper surfaces, the uniform a plurality of weep holes of arch upstream face of conduit pipe 7, the two ends of conduit pipe 7 communicate with base plate gutter 6 around, the upper surface self-leveling of described concrete pavement 5.
The grading of aggregate of described drainage blanket 3 is 15~25.Described conduit pipe 7 is made for pvc pipe is divided into two to cut open along its axis.
Construction sequence of the present utility model comprises base plate cleaning, leak stopping; Lay rubble drainage blanket, lay separation layer, assembling reinforcement net sheet, lays walkway board, builds concrete and concrete maintenance.Specific as follows:
Step 1, base plate cleaning, leak stopping: the foreign material on basement bottom board 1 surface, template bits etc. are removed totally, if any seepage crack, adopted high pressure grouting leak stopping, after inspection is not obviously leaked, adopt cement mortar to make sloping layer 2.
Step 2, lay drainage blanket: the conduit pipe 3.2 of placing a plurality of arches at the upper surface interval of sloping layer 2, adopt the rubble of 15~25 gratings as rubble drainage blanket 3.1, evenly lay that at least 100mm is thick, macadam palpus uniform spreading is located at surrounding and the top thereof of conduit pipe, guarantee the compressive strength of Stilt layer, avoid occurring local sinking in top concrete pavement 5 casting process.For the larger drainage blanket of thickness, its exposed parts seals with gauze wire cloth, to prevent the infested mouse of drainage blanket intussusception etc.
Step 3, lays separation layer: after macadam has been laid, adopting the thick geotextiles of 0.8mm is watertight insulation 4, and cloth cover is laid smooth, and the fishnet line line fixed interface of threading a needle for lap-joint, avoids geotextiles to be shifted, and causes separation layer space; Laying completes Hou Qing relevant unit and checks and accepts.
Step 4, assembling reinforcement net sheet: by designing unit's requirement colligation two-way concrete slab, can apply the two-way concrete slab net of φ 8 200 in the present embodiment, bar splicing meets code requirement, Bing Qing relevant unit checks and accepts.
Step 5, builds surface layer: lay walkway board, the 20 solid cement cushion blocks that are 500mm * 500mm by spacing are padded, and cast pea gravel concreten, as concrete pavement 5, is used plate vibrator carefully to vibrate, and makes concrete compaction.
Step 6, cutting parting seam: parting seam is pressed basement post net axis arranged, if post net is greater than 8m, increases together the embedded ointment of parting seam in centre.
Concrete overhead layer is as block construction, and constuction joint place need leave the wide drainage blanket of 500mm and gauze wire cloth is not built, and constuction joint place dabbing can be built after processing next time.From the steel mesh reinforcement that is routed to of water draining plate, lay colligation, and concrete building, operating personnel all needs to set up operating platform, in order to avoid make water draining plate deformed damaged; Facing concrete is built the press polish of rear receipts face, and maintenance is no less than 7 days.
After the hydrophobic construction complete of basement bottom board macadam, ponding looks for slope direction to be naturally flowed to gutter by drainage blanket space along basement, is flowed in the collecting well of basement setting, then discharges by the drainage pump arranging in well by gutter.
By lay macadam on basement bottom board deck, when there is crack and causing seepage in concrete floor, having benefited from macadam belongs to and dredges character, (gap) protection against the tide of permanent hollow layer and the white-out water that utilize macadam to reserve, can really, effectively guarantee that basement bottom board surface layer, without wet mark, possesses good environment for use, play leakproof drainage, reach the object of one-level waterproof layer effect, 100% basement surface is without wet stain.

Claims (3)

1. the hydrophobic structure of basement bottom board macadam, be arranged on the upper surface of basement bottom board (1), by the sloping layer connecting successively from bottom to top (2), drainage blanket (3), watertight insulation (4) and the concrete pavement (5) of being furnished with reinforced mesh form, it is characterized in that: described drainage blanket (3) is rubble drainage blanket, it is arch that parallel and interval, the bottom of rubble drainage blanket is embedded with a plurality of cross sections, along the longitudinal elongated conduit pipe (7) of base plate, the bottom of conduit pipe (7) buckles sloping layer (2) upper surface, the uniform a plurality of weep holes of arch upstream face of conduit pipe (7), the two ends of conduit pipe (7) communicate with base plate gutter (6) around, the upper surface self-leveling of described concrete pavement (5).
2. the hydrophobic structure of a kind of basement bottom board macadam according to claim 1, is characterized in that: the grading of aggregate of described drainage blanket (3) is 15~25.
3. according to the hydrophobic structure of a kind of basement bottom board macadam described in claim 1 or 2, it is characterized in that: described conduit pipe (7) is made for pvc pipe is divided into two to cut open along its axis.
CN201320648071.3U 2013-10-21 2013-10-21 Basement bottom plate rubble layer hydrophobic structure Expired - Fee Related CN203531009U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105089072A (en) * 2015-09-15 2015-11-25 四川省建筑科学研究院 Anti-seepage structure of basement bottom board and construction method
CN106245688A (en) * 2016-09-26 2016-12-21 六合峰(天津)科技股份有限公司 A kind of prevention basement water leakage of floor constructing structure and construction technology thereof
CN106948383A (en) * 2017-05-18 2017-07-14 中建局集团第三建筑有限公司 Water seepage treatment structure for surface of foundation slab and construction method thereof
CN108678029A (en) * 2018-06-29 2018-10-19 中国建筑第五工程局有限公司 A kind of hills rich water area basement guarded drainage construction method near a river
CN110629773A (en) * 2019-10-29 2019-12-31 黄河勘测规划设计研究院有限公司 Dark drainage system suitable for high pressure-bearing groundwater foundation
CN110847247A (en) * 2019-11-14 2020-02-28 中国二十冶集团有限公司 Waterproof operation construction method on multi-anti-floating anchor rod node basement bottom plate
CN111501847A (en) * 2020-03-24 2020-08-07 中国一冶集团有限公司 Basement bottom plate leakage processing device and basement bottom plate leakage processing method
CN112031374A (en) * 2020-08-31 2020-12-04 上海宝冶集团有限公司 Construction method of basement large-area terrace
CN114370066A (en) * 2021-12-30 2022-04-19 珠海华发人居生活研究院有限公司 Construction method of hydrophobic terrace

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105089072A (en) * 2015-09-15 2015-11-25 四川省建筑科学研究院 Anti-seepage structure of basement bottom board and construction method
CN106245688A (en) * 2016-09-26 2016-12-21 六合峰(天津)科技股份有限公司 A kind of prevention basement water leakage of floor constructing structure and construction technology thereof
CN106245688B (en) * 2016-09-26 2018-05-08 六合峰(天津)科技股份有限公司 One kind prevention basement water leakage of floor constructing structure and its construction technology
CN106948383A (en) * 2017-05-18 2017-07-14 中建局集团第三建筑有限公司 Water seepage treatment structure for surface of foundation slab and construction method thereof
CN108678029A (en) * 2018-06-29 2018-10-19 中国建筑第五工程局有限公司 A kind of hills rich water area basement guarded drainage construction method near a river
CN108678029B (en) * 2018-06-29 2023-12-26 中国建筑第五工程局有限公司 Water-rich land area basement water-proof and drainage construction method for river-facing hills
CN110629773A (en) * 2019-10-29 2019-12-31 黄河勘测规划设计研究院有限公司 Dark drainage system suitable for high pressure-bearing groundwater foundation
CN110847247A (en) * 2019-11-14 2020-02-28 中国二十冶集团有限公司 Waterproof operation construction method on multi-anti-floating anchor rod node basement bottom plate
CN111501847A (en) * 2020-03-24 2020-08-07 中国一冶集团有限公司 Basement bottom plate leakage processing device and basement bottom plate leakage processing method
CN112031374A (en) * 2020-08-31 2020-12-04 上海宝冶集团有限公司 Construction method of basement large-area terrace
CN114370066A (en) * 2021-12-30 2022-04-19 珠海华发人居生活研究院有限公司 Construction method of hydrophobic terrace

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140409

Termination date: 20141021

EXPY Termination of patent right or utility model