CN106245688B - One kind prevention basement water leakage of floor constructing structure and its construction technology - Google Patents
One kind prevention basement water leakage of floor constructing structure and its construction technology Download PDFInfo
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- CN106245688B CN106245688B CN201610855042.2A CN201610855042A CN106245688B CN 106245688 B CN106245688 B CN 106245688B CN 201610855042 A CN201610855042 A CN 201610855042A CN 106245688 B CN106245688 B CN 106245688B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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Abstract
The present invention provides one kind prevention basement water leakage of floor constructing structure and its construction technology, including french drain concrete topping and laying inside it, the french drain is laid on the upper surface of structural concrete bottom plate, the french drain includes being parallel to each other between the french drain wall and french drain wall of laying forming filling slot, the french drain wall crosses water hole along longitudinal direction equipped with some, graded broken stone is filled with the filling slot and excessively in water hole, stiffener net and geotextiles are from top to bottom equipped with successively between the concrete topping and french drain, the end of the french drain is connected with water collection pit.Prevention basement water leakage of floor constructing structure of the present invention and its construction technology are suitable for all kinds of buildings with basement engineering, are especially suitable for high water level area and the regional all kinds of buildings with basement engineering of coastal city area and rich groundwater.
Description
Technical field
The invention belongs to construction engineering water-proof structure field, more particularly, to one kind prevention basement water leakage of floor construction knot
Structure and its construction technology.
Background technology
It is to be difficult to overcome in construction project and headachy ask all the time that leaking, which occurs, in basement in skyscraper
Topic, although as current scientific and technological progress and the continuous of the exploitation of new material and utilization are released, has had in theory compared to past
Many leakages are resolved.But the construction quality during practice of construction caused by various factors does not often reach rule
Model and technology explanation require, and cause to occur during basement use the Seepage of the degree such as not.
For the leakage of underground room floor, current most for the treatment of measures are chiefly used in " leak stopping " and are handled, that is, find leakage
Point, cut and completed ground, slip casting or handled using other methods, is finally reached the purpose of antiseep.
And in the construction work of leak stopping, after often the breakthrough of ground surface appearance is blocked, and on the adjacent ground of annex
There is new breakthrough in side, and often leak stopping result produces little effect.
After analysis is the reason is that tiny crackle occurs in structural slab, basement water by under the crack-leakage to decorative layer,
Percolating water starts horizontal direction flowing leakage, starts to go out ground surface by crack-leakage after searching out decorative layer crack.Here it is past
Toward the main reason for ground surface fracture plugging is ineffective is opened, the crack of ground surface is not that structural cracks can not fundamentally hinder
Disconnected percolating water.
For coastal cities and inland high water level area, such issues that it is especially prominent, often due to the leakage of basement is made
It can not use or reduce into basement and use function, high economic loss is brought to investor, meanwhile, unit in charge of construction is due to difficulty
Substantial amounts of manpower and materials and financial resources are put into handle leak stopping, but result produces little effect.
There is the history and culture of 5,000 years in Chinese name race, and the phase is abundant for being summed up in the improvement of rivers in the time immemorial
Experience, " stifled not as dredge " this ancients sum up the famous dictum of the experience come and are equally applicable to current modern society over the past thousands of years
It is corresponding using sump, hole arrangement in design of basement for above-mentioned occurred basement leakage problem among engineering field
Rational underground french drain carries out functional in organized water drainage, you can thoroughly solves leakage problems, prevents due to each caused by leakage, leak stopping
Item economic loss.
The content of the invention
In view of this, the present invention is directed to propose a kind of prevent basement water leakage of floor constructing structure and its construction technology, with
Solve the problems, such as current basement leakage.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
One kind prevention basement water leakage of floor constructing structure, including concrete topping and it is laid with french drain inside it, institute
The upper surface that french drain is laid on structural concrete bottom plate is stated, the french drain includes the french drain wall and french drain wall for the laying that is parallel to each other
Between form filling slot, the french drain wall along longitudinal direction be equipped with it is some cross water hole, in the filling slot and cross in water hole and be filled with
Graded broken stone, is from top to bottom equipped with stiffener net and geotextiles successively between the concrete topping and french drain, described blind
The end of ditch is connected with water collection pit.
Further, the french drain includes interconnected main french drain and time french drain, the filling slot of the main french drain with time
The filling slot of french drain is interconnected.
Further, the main french drain is provided with three french drain walls arranged in parallel, in middle french drain wall
Connection hole is set, and the secondary french drain is provided with twice french drain wall arranged in parallel.
Further, the french drain wall is brick into the thickness of the concrete brick is 40mm-50mm, and width is by some concretes
60mm, set water hole in the french drain wall, the width for crossing water hole is 50mm-80mm, the filling slot every 2m-3m
Width is 150mm-200mm.
Further, the graded broken stone selects particle diameter to carry out grading, three kinds of particle diameters for 0.5mm, 1.5mm and 20mm rubble
The grading ratio of rubble is (15-25)：(25-35)：(40：60), it is preferable that the grading ratio is 20：30：50.
Further, the geotextiles are short blended fabric of silk and polyester or short silk polypropylene geotextile.
Further, the intensity level of the concrete brick is greater than or equal to the intensity level of concrete topping.
Further, the stiffener net is not less than the reinforcing bar of 8mm by diameter, with the spacing not less than 200mm, in length and breadth
Two-way laying is formed.
Further, the end of the french drain is connected with the PVC overflows for the water in french drain to be delivered to water collection pit,
Cover board is covered with the top of the water collection pit.
A kind of construction technology of above-mentioned prevention basement water leakage of floor constructing structure, includes the following steps：
(1) structural concrete bottom plate cleans：Clear up structural concrete backplate surface debris and remove landing ash, cleaning
Whether there is crack by observation structure concrete floor surface at any time in journey, and mark, see whether water exudation；
(2) french drain unwrapping wire：According to french drain layout drawing carry out line setting, and at the crack that step (1) marks and
Outer wall of basement inner side, post-cast strip, the structural concrete base plate thickness place of changing and the weak part for being likely to occur percolating water
Increase the laying of french drain, and be together in series with neighbouring french drain, form effectively unobstructed pipelined channel, most water imports water at last
In collection pit；
(3) it is laid with french drain：Build french drain wall and water hole is crossed in indwelling, rubble is mixed according to grading ratio, is cleaned up
After be filled with filling slot；
(4) geotextiles are covered：Geotextiles are covered in graded broken stone upper surface, and cover the french drain wall of both sides；
(5) stiffener is bound：According to the specification and spacing of corresponding Structure Calculation reinforcing bar, reinforcing bar is laid on geotextiles
Upper surface forms stiffener net, and ensures that french drain top does not influence normal bearing capacity because section diminishes；
(6) concrete topping or bed course pour：After french drain, geotextiles, reinforcing bar reinforcing mat acceptance(check), by concrete
Pour and form concrete topping or bed course on the net in stiffener；
(7) partition seam cutting, concrete curing：Segmentation wire cutting is carried out in the concrete surface layer surface for pouring completion, and is carried out
Concrete curing.
Relative to the prior art, prevention basement water leakage of floor constructing structure of the present invention and its construction technology have
Following advantage：
Prevention basement water leakage of floor constructing structure of the present invention and its construction technology are using in the former design of basement
All kinds of catch pits, sump, reasonably arrange weeper drain under ground decoration layer, and structural concrete base plate leakage is come out
Water carries out functional in organized water drainage, and avoiding percolating water from penetrating into more than decorative layer influences it and use function.Substantial amounts of leak stopping is saved to use
Fund, reduces maintenance cost.The present invention is suitable for all kinds of buildings with basement engineering, especially suitable high water level
Area and the regional all kinds of buildings with basement engineering of coastal city area and rich groundwater.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the floor map of the main french drain and time french drain intersection described in the embodiment of the present invention；
Fig. 2 is the structure diagram of the main french drain described in the embodiment of the present invention；
Fig. 3 is the structure diagram of the secondary french drain described in the embodiment of the present invention；
Fig. 4 is the french drain elevation described in the embodiment of the present invention；
Fig. 5 is the french drain and water collection pit node structure schematic diagram described in the embodiment of the present invention；
Fig. 6 is the dimensional structure diagram of the secondary french drain described in the embodiment of the present invention；
Fig. 7 is the construction flow chart of prevention basement water leakage of floor constructing structure of the present invention.
Description of reference numerals：
1- concrete bricks；2- graded broken stones；3- crosses water hole；4- geotextiles；5- stiffener nets；6- concrete toppings；7- water is received
Ji Keng；8-PVC overflows；9- cover boards；10- concrete toppings；11- connects hole.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
As shown in figures 1 to 6, a kind of prevention basement water leakage of floor constructing structure, including concrete topping 6 and it is laid on it
Internal french drain, the french drain are laid on the upper surface of structural concrete bottom plate 10, and the french drain includes the laying that is parallel to each other
Filling slot is formed between the french drain wall and french drain wall that are built into by concrete brick 1, the french drain wall crosses water hole 3 along longitudinal direction equipped with some,
In the filling slot and cross in water hole 3 and be filled with graded broken stone 2, between the concrete topping 6 and french drain from top to bottom according to
Secondary to be equipped with stiffener net 5 and geotextiles 4, the end of the french drain is connected with collects for the water in french drain to be delivered to water
The PVC overflows 8 in hole 7, the top of the water collection pit 7 is covered with cover board 9.
The french drain includes interconnected main french drain and time french drain, the filling of the filling slot of the main french drain and time french drain
Groove is interconnected.
The main french drain is provided with three french drain walls arranged in parallel, and connection hole is set in middle french drain wall
11, the secondary french drain is provided with twice french drain wall arranged in parallel.
The intensity level of concrete brick 1 in the present invention is greater than or equal to the intensity level of concrete topping 6.Will using the method built by laying bricks or stones
Concrete brick builds one layer by laying bricks or stones along layout drawing.The thickness of concrete brick 1 is 40mm-50mm, width 60mm, every 2m-3m in the french drain wall
Water hole 3 was set, and the width for crossing water hole 3 is 50mm-80mm, and the width of the filling slot is 150mm-200mm.
Graded broken stone 2 in the present invention selects particle diameter to carry out grading for 0.5mm, 1.5mm and 20mm rubble, and three kinds of particle diameters are broken
The grading ratio of stone is 20：30：50.Selected rubble must clean up before use, must not contain tiny aggregate chips
And powder.The purpose is to prevent tiny aggregate chips and powder is blocked in pipelined channel in french drain.
Geotextiles 4 are short blended fabric of silk and polyester geotextiles in the present invention.Select cheap short blended fabric of silk and polyester geotextiles covering rubble table
Face, it is isolation top casting concrete surface layer 6 that it, which is acted on, avoids concrete slurry from flowing into metalling and causes french drain to block, geotextiles are wide
Degree is to cover to the concrete brick of both sides.
The stiffener net 5 is not less than the reinforcing bar of 8mm by diameter, with the spacing not less than 200mm, in length and breadth two-way laying
Formed.Its purpose strengthens the bearing capacity at the position, and reinforcing bar transverse ends are anchored at concrete topping 6 by codes and standards requirement.It is mixed
Solidifying soil surface layer 6 preferably selects fine-stone concrete, to the end of above-mentioned work after the completion of acceptance(check), carries out concrete placings work.In casting process
It should be noted that the concrete brick of french drain both sides is not destroyed, the continued integrity of french drain is kept.
The end of the french drain is connected with the PVC overflows 8 for the water in french drain to be delivered to water collection pit 7, the water
The top of collection pit 7 is covered with cover board 9.
The present invention design principle be：Catch pit, well in being designed using basement engineering, by basement concrete base plate leakage
Water be drained into by the way that french drain is organized in catch pit, well, then utilize the precipitation apparatus well that is designed in catch pit, well to collect
Percolating water exclude.
The construction technology of above-mentioned prevention basement water leakage of floor constructing structure, shown in figure Fig. 7, includes the following steps：
(1) structural concrete bottom plate cleans：Clear up structural concrete backplate surface debris and remove landing ash, cleaning
Whether there is crack by observation structure concrete floor surface at any time in journey, and mark, water exudation seen whether, especially in concrete wall
The position such as plate and close exterior wall, conscientiously observe, these usual positions are often the weak spot of basement leakage；
(2) french drain unwrapping wire：According to french drain layout drawing carry out line setting, and at the crack that step (1) marks and
Outer wall of basement inner side, post-cast strip, the structural concrete base plate thickness place of changing and the weak part for being likely to occur percolating water
Increase the laying of french drain, and be together in series with neighbouring french drain, form effectively unobstructed pipelined channel, it is blind to be finally imported into master
Ditch enters in water collection pit.
(3) it is laid with french drain：Build french drain wall and water hole is crossed in indwelling, rubble is mixed according to grading ratio, is cleaned up
After be filled with filling slot；Graded broken stone before use, should all be cleaned with water, and drifting along for stone surface is all clear
Wash clean, keeps flowing water in french drain unimpeded, and rubble is stirred evenly.
(4) geotextiles are covered：Select the short silk geotextiles of polypropylene fibre to be covered in rubble layer surface, and cover the french drain wall of both sides,
Geotextiles lap-joint should be not less than 100mm, and it is to stop that concrete slurry penetrates into block french drain passage in metalling that it, which is acted on,.
(5) stiffener is bound：According to the specification and spacing of corresponding Structure Calculation reinforcing bar, reinforcing bar is laid on geotextiles
Upper surface forms stiffener net, and ensures that french drain top does not influence normal bearing capacity because section diminishes.
It is mainly used for being covered in above french drain the reinforcing bar at the position, increases the bearing capacity of the position concrete, avoids because of concrete
Section diminishes and influences its normal load, therefore, the position reinforcing bar before use, should be obtained by corresponding Structure Calculation
Bar gauge and spacing arrangement, to ensure that the position does not influence normal bearing capacity because section diminishes.
(6) concrete topping or bed course pour：After french drain, geotextiles, reinforcing bar reinforcing mat acceptance(check), by concrete
Pour and form concrete topping or bed course on the net in stiffener.
It is noted that not destroy completed french drain during concrete is poured, and strengthen protecting work.Make completed blind
Ditch is unimpeded.
In addition, anticracking steel can just be bound according to design and code requirement on the net before concrete topping pours in stiffener
Muscle come prevent its concrete crack.
(7) partition seam cutting, concrete curing：Segmentation wire cutting is carried out in the concrete surface layer surface for pouring completion, and is carried out
Concrete curing.
In addition, the laying of basement french drain should meet the requirement of the water percolating capacity of prediction, for outer wall of basement, post-cast strip etc.
It is possible that the position of infiltration wants emphasis to arrange, arrangement should be suitably encrypted if necessary.
Answered in work progress in priority control french drain without other debris, without block, keep current in french drain unimpeded.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (8)
1. one kind prevention basement water leakage of floor constructing structure, it is characterised in that：The constructing structure includes concrete topping and paving
If french drain inside it, the french drain is laid on the upper surface of structural concrete bottom plate, and the french drain includes the paving that is parallel to each other
If french drain wall and french drain wall between form filling slot, the french drain wall is equipped with along longitudinal direction and some crosses water holes, the filling slot
Graded broken stone is filled with interior and mistake water hole, reinforcement steel is from top to bottom equipped with successively between the concrete topping and french drain
Muscle net and geotextiles, the end of the french drain are connected with water collection pit；The french drain wall is brick into the concrete brick by some concretes
Thickness is 40mm-50mm, width 60mm, and water hole was set every 2m-3m in the french drain wall, it is described cross water hole width be
50mm-80mm, the width of the filling slot is 150mm-200mm, and the french drain includes interconnected main french drain and time french drain,
The filling slot of the main french drain and the filling slot of time french drain are interconnected, and it is arranged in parallel that the main french drain is provided with three
French drain wall, sets connection hole in middle french drain wall, and the secondary french drain is provided with twice french drain wall arranged in parallel.
2. prevention basement water leakage of floor constructing structure according to claim 1, it is characterised in that：The graded broken stone choosing
It is that 0.5mm, 1.5mm and 20mm rubble carry out grading with particle diameter, the grading ratio of three kinds of Stones is (15-25)：(25-
35)：(40-60).
3. prevention basement water leakage of floor constructing structure according to claim 2, it is characterised in that：The grading ratio is
20：30：50.
4. prevention basement water leakage of floor constructing structure according to claim 1, it is characterised in that：The geotextiles are short
Blended fabric of silk and polyester or short silk polypropylene geotextile.
5. prevention basement water leakage of floor constructing structure according to claim 4, it is characterised in that：The intensity of the concrete brick
Intensity level of the value more than or equal to concrete topping.
6. prevention basement water leakage of floor constructing structure according to claim 1, it is characterised in that：The stiffener net
It is not less than the reinforcing bar of 8mm by diameter, with the spacing not less than 200mm, two-way laying in length and breadth is formed.
7. prevention basement water leakage of floor constructing structure according to claim 1, it is characterised in that：The end of the french drain
The PVC overflows for the water in french drain to be delivered to water collection pit are connected with, cover board is covered with the top of the water collection pit.
8. the construction technology of any prevention basement water leakage of floor constructing structure, its feature in a kind of claim 1-7
It is：The technique includes the following steps：
(1) structural concrete bottom plate cleans：Clear up structural concrete backplate surface debris and remove landing ash, in cleaning process
Whether there is crack by observation structure concrete floor surface at any time, and mark, see whether water exudation；
(2) french drain unwrapping wire：Line setting is carried out according to french drain layout drawing, and at the crack that step (1) marks and underground
Room inner side of outer wall, post-cast strip, the structural concrete base plate thickness place of changing and the weak part increase for being likely to occur percolating water
The laying of french drain, and be together in series with neighbouring french drain, effectively unobstructed pipelined channel is formed, most water imports water collection at last
In hole；
(3) it is laid with french drain：Build french drain wall and water hole is crossed in indwelling, rubble is mixed according to grading ratio, will after cleaning up
It is filled in filling slot；
(4) geotextiles are covered：Geotextiles are covered in graded broken stone upper surface, and cover the french drain wall of both sides；
(5) stiffener is bound：According to the specification and spacing of corresponding Structure Calculation reinforcing bar, reinforcing bar is laid on geotextiles upper table
Face forms stiffener net, and ensures that french drain top does not influence normal bearing capacity because section diminishes；
(6) concrete topping or bed course pour：After french drain, geotextiles, reinforcing bar reinforcing mat acceptance(check), by concreting
Concrete topping or bed course are formed on the net in stiffener；
(7) partition seam cutting, concrete curing：Segmentation wire cutting is carried out in the concrete surface layer surface for pouring completion, and carries out concrete and supports
Shield.
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| CN201610855042.2A CN106245688B (en) | 2016-09-26 | 2016-09-26 | One kind prevention basement water leakage of floor constructing structure and its construction technology |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729475A (en) * | 2017-04-25 | 2018-11-02 | 中国二十冶集团有限公司 | Underground structure multi-layer combined type expansion joint waterproof construction method |
| CN106948383A (en) * | 2017-05-18 | 2017-07-14 | 中建局集团第三建筑有限公司 | The water seepage treatment structure and its construction method on a kind of sole plate surface |
| CN108643483B (en) * | 2018-07-10 | 2023-12-08 | 江苏万象建工集团有限公司 | Basement waterproof system |
| CN109457736A (en) * | 2018-11-16 | 2019-03-12 | 中铁二十三局集团有限公司 | One kind being used for underground engineering side wall and bottom plate water seepage treatment method |
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|---|---|---|---|---|
| US5845456A (en) * | 1989-03-06 | 1998-12-08 | Read; Robert R. | Basement waterproofing |
| CN201125391Y (en) * | 2007-09-11 | 2008-10-01 | 中国建筑第六工程局有限公司 | Basement waterproofing drainage structure |
| CN102720217A (en) * | 2012-06-12 | 2012-10-10 | 浙江城建建设集团有限公司 | Basement watertightness structure and construction method thereof |
| CN203531009U (en) * | 2013-10-21 | 2014-04-09 | 中国建筑第二工程局有限公司 | Macadam layer hydrophobic structure for basement base plate |
| CN103821181A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Basement bottom plate water drainage layer construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5845456A (en) * | 1989-03-06 | 1998-12-08 | Read; Robert R. | Basement waterproofing |
| CN201125391Y (en) * | 2007-09-11 | 2008-10-01 | 中国建筑第六工程局有限公司 | Basement waterproofing drainage structure |
| CN102720217A (en) * | 2012-06-12 | 2012-10-10 | 浙江城建建设集团有限公司 | Basement watertightness structure and construction method thereof |
| CN203531009U (en) * | 2013-10-21 | 2014-04-09 | 中国建筑第二工程局有限公司 | Macadam layer hydrophobic structure for basement base plate |
| CN103821181A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Basement bottom plate water drainage layer construction method |
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