CN108867709A - A kind of waterproofing for basement method - Google Patents
A kind of waterproofing for basement method Download PDFInfo
- Publication number
- CN108867709A CN108867709A CN201810762408.0A CN201810762408A CN108867709A CN 108867709 A CN108867709 A CN 108867709A CN 201810762408 A CN201810762408 A CN 201810762408A CN 108867709 A CN108867709 A CN 108867709A
- Authority
- CN
- China
- Prior art keywords
- concrete
- construction joint
- waterproofing
- basement
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention discloses a kind of basement construction method for reducing internal layer armored concrete effect of contraction, preventing construction joint infiltration, waterproof performance good.Flexible waterproof material and internal layer armored concrete waterproof are used simultaneously, and during pouring reinforcement concrete, construction joint is determined with thin plate, segmentation pours, and the later period is recycled, using expansive concrete filling and water-proofing treatment, to avoid the problem that the construction joint later period seeps water to construction joint, furthermore, processing to construction joint interface guarantees the bond strength of construction joint while effectivelying prevent infiltration.
Description
Technical field
The invention belongs to basement construction method, in particular to a kind of waterproofing for basement method.
Background technique
With the development of the city, the extensive use of basement, as store, two layers of the residential quarter underground Chang You are used as parking lot.
Since basement is in underground, top surface, side and bottom surface are under water environment, do not focus on construction method, it is easy to
Lead to basement leaking, influence using.
Frequently with twice waterproofing design, the flexible waterproof material of outer layer and the concrete of internal layer are anti-for current basement waterproofing
Water.If CN102535520A discloses a kind of waterproof construction method of large-area civil air defense basement, concrete is set on plain soil layer
Then bed course and cement mortar paste asphalt water-proof coiled material, then concrete cover are arranged, be finally poured waterproof armored concrete
Bottom plate and building coats pass through asphalt water-proof coiled material and the dual waterproof of waterproof reinforced concrete floor.But concrete cushion is easy
It is permeable, cause asphalt water-proof coiled material to contact for a long time with water, viscosity decline or waterproof performance is be easy to cause to be deteriorated, and waterproof reinforcing bar
Concrete is shunk in casting process be easy to cause crackle, or the construction joint for pouring time difference and occurring leads to the hair to seep water
It is raw.In addition, layer concrete is in for a long time in the encirclement of water environment in order to prevent, there are also technical staff outer layer and internal layer it
Between clip cavity and collecting-tank are set, the water in clip cavity is extracted out by suction pump, to avoid seeping water.As CN102677706A is disclosed
A kind of basement waterproofing moistureproof system backfills below basement floor and between outer wall of basement and foundation pit side-wall certain
The middle coarse grain sand of partial size makes underground water convergence get up to concentrate extraction, reaches to control basement periphery underground water percolation path
The moisture-proof effect of basement waterproofing.But above-mentioned technical proposal on the outside of interior wall due to having underground water to flow through, although can extract out, nothing
Method avoids seeping water caused by the contact with interior wall, especially heavy rain weather, and draw speed may not catch up with groundwater seepage
Speed.In addition, construction joint is also easy to cause the infiltration of interior layer concrete.It is mixed that CN101403218A discloses a kind of basement waterproofing
The processing method of solidifying soil construction joint：(1) setting of construction joint：Construction is sewed with two parts composition, inside wall into a ladder, outside
Side construction joint is constructed together with bottom plate；Inside construction joint is arranged on bottom plate, constructs together with upper wall body；(2) seal plate
Setting：It is sewed in the outside divergence that wall is higher than bottom plate and is vertically arranged steel plate for sealing water；(3) concrete pours：It applies in outside
Work seam is completed together with underplate concrete construction；The above walls concrete construction of inside construction joint.Water-proof concrete can be increased
Permeation pathway, effectively enhance the impermeability of water-proof concrete.
In waterproofing for basement, waterproof outer layer is easy to generate leakage, but can play and prevent a large amount of underground water
Layer concrete plays a decisive role in effect thus, but crackle is easy to appear in internal layer concrete shrinkage and work progress, existing skill
The undertreatment of the internal layer concrete of art.The technology of infiltration is caused to be asked in order to solve above-mentioned internal layer concrete shrinkage and construction joint
Topic, and provide the present invention.
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of reduction internal layer concrete shrinkages to influence,
The basement construction method for preventing construction joint infiltration, waterproof performance good.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of waterproofing for basement method, includes the following steps：
(1) plain soil layer is tamped, and builds mine dam in basement side, is then set on the inside of top, bottom and mine dam
C15 pea gravel concreten bed course is set, then use cement mortar screeding, paving polymer waterproof roll, then C20 pea gravel concreten is set
Protective layer；
(2) pouring reinforcement concrete on the inside of C20 pea gravel concreten protective layer, determines the construction joint position of armored concrete
It sets, thin plate is set in the position of construction joint, is segmented pouring reinforcement concrete；
(3) after armored concrete solidification shrinkage, at construction joint expand, remove thin plate, at construction joint with C20 microlith coagulation
Water-repellent paint is injected in protective soil layer contact site, fills up construction joint with expansive concrete, and coats waterproof on the inside of construction joint and apply
Material sealing；
(4) basement building coats is set.
Further, the cement mortar is 1:2.5 cement mortar；
Further, polymer waterproof roll is asphalt water-proof coiled material；
Further, before paving polymer waterproof roll, water-repellent paint is painted on cement mortar surface；
Further, reinforcing fiber is added in the concrete of armored concrete；
Further, the type of reinforcing fiber be basalt fibre, glass fibre, asbestos fibre and carbon fiber one kind or
It is a variety of.
Further, expansive concrete is the concrete or the concrete that excessive expansion agent is added that expanding cement is prepared.
Further, the water-repellent paint is polyurethane water-proof paint.
Further, after removing thin plate, two sides armored concrete in construction joint is processed into rough interfaces, such as ladder-like,
Zigzag, punching etc., are cleaned out.
Further, construction joint interface is arranged to zigzag, the punching of ladder-like or interface.
Interior layer concrete is the key that waterproof, but due to the presence of construction joint and concrete curing contraction, be easy to cause infiltration
The performance of water, construction joint is unable to accurately control.According to the technical solution of the present invention, the presence of construction joint is not avoided deliberately, and
It is to determine construction joint with thin plate, recycles the later period to the filling processing of construction joint and water-proofing treatment, avoiding the construction joint later period can
It can the problem.Concrete generallys use integral type and pours, but be not appropriate for big in order to which the presence of construction joint is reduced or avoided
The basement waterproofing of area.And integral type pours, and in the later concrete contraction phase, be easy to cause crack.Through the invention
Technical solution, construction joint can be stayed much smaller and position convenient for construction by shearing in structure using the method that pour of segmentation,
Use segmentation, which pours, again is conducive to section concrete internal structure stabilization, avoids the crack in later period.In addition, fine using enhancing is added
The concrete of dimension is segmented when pouring reinforcement concrete is shunk toward internal contraction by the stress of reinforcing fiber, can obtain nothing
The segmentation armored concrete of internal flaw.By being filled using expansive concrete to construction joint injection and coating water-repellent paint,
And the processing at construction joint interface, it is effectively prevent the infiltration of construction joint, and construction joint can be eliminated to the shadow of concrete overall performance
It rings.Meeting microdilatancy after expansive concrete solidification, can effectively fill construction joint, and can keep construction joint interface after filling
Bond strength.
Compared with prior art, the beneficial effects of the invention are as follows：(1) twice waterproofing design, the flexible water of outer layer are used
Material and internal layer armored concrete waterproof, and strengthen the waterproof performance of internal layer armored concrete.(2) it is determined and is constructed with thin plate
Seam recycles the later period to the filling processing of construction joint and water-proofing treatment, the problem of avoiding the construction joint later period and be likely to occur.(3)
In structure by shearing smaller and staying construction joint convenient for the position of construction, is poured using segmentation and be conducive to internal structure stabilization, kept away
Exempt from the generation of later period crack.(4) it is filled using expansive concrete and the processing at construction joint interface, effectively prevent the infiltration of construction joint
Water guarantees the bond strength of construction joint.
Detailed description of the invention
Fig. 1 is basement waterproofing structure schematic diagram of the present invention；
Fig. 2 is the schematic diagram of construction joint specific structure；
In figure：1- armored concrete, 2- construction joint, 21- expansive concrete, 22- water-repellent paint, 3-C20 pea gravel concreten
Protective layer, 4- polymer waterproof roll, 5- cement sand bed, 6-C15 pea gravel concreten bed course, 7- building coats, 8- mine dam,
9- element soil layer.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
As shown in figures 1 and 2, a kind of waterproofing for basement method, includes the following steps：
(1) plain soil layer 9 is tamped, and builds mine dam 8 in basement side, then on the inside of top, bottom and mine dam
C15 pea gravel concreten bed course 6 is set, it is then levelling with cement mortar 5, after cement mortar is dry, paving with a thickness of 4mm pitch
Waterproof roll 4, dries in the air and puts for 24 hours, then C20 pea gravel concreten protective layer 3 is arranged.Wherein the proportion of C15 pea gravel concreten is cement：
Sand：Rubble：Water=273:844:1074:210；The proportion of C20 pea gravel concreten is cement：Sand：Rubble：Water=304:839:
1121:210.Use PO42.5 cement, middle sand, specification for the rubble of 5-16mm.Cement mortar is 1:2.5 cement mortar.
(2) pouring reinforcement concrete 3 on the inside of C20 pea gravel concreten protective layer determines construction joint 2 of armored concrete
It sets, horizontal construction joint, the junction 50mm or more apart from longitudinal cross wall is arranged in side armored concrete.It is set in the position of construction joint 2
Thin plate is set, one section of armored concrete 3 is then poured, is shaken uniformly with vibrating head, then the reinforcing bar of pouring construction seam other side is mixed
Solidifying soil 3, wherein the concrete is the concrete of the basalt fibre of addition 5%；
(3) armored concrete heat and moisture preserving conserves, and after 14d solidification shrinkage, expands at construction joint, removes thin plate at this time, will
Construction joint interface processing is cleaned out at zigzag, poly- with the injection of C20 pea gravel concreten protective layer contact site at construction joint
Urethane water-repellent paint 22 fills up construction joint after preliminarily dried solidification with expansive concrete 21 and is coated with poly- ammonia on the inside of construction joint
Ester water-repellent paint 22 seals；Wherein the proportion of expansive concrete is：Cement:Sand:Rubble:Water:Water-reducing agent:Swelling agent=497:
610:1184:159:6.461:59.76；Use PO42.5 cement, middle sand, specification efficient for the rubble of 5-16mm, NSF-2 type
Water-reducing agent and UEA-Y swelling agent.
(4) basement building coats is set.
12 months after the completion of completion, do not find that armored concrete crackle or infiltration phenomenon, construction joint are well combined.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of waterproofing for basement method, which is characterized in that include the following steps：
(1) plain soil layer is tamped, and builds mine dam in basement side, C15 then is set on the inside of top, bottom and mine dam
Then pea gravel concreten bed course uses cement mortar screeding, paving polymer waterproof roll, then the protection of C20 pea gravel concreten is arranged
Layer；
(2) pouring reinforcement concrete on the inside of C20 pea gravel concreten protective layer, determines the construction joint position of armored concrete,
Thin plate is arranged in the position of construction joint, is segmented pouring reinforcement concrete；
(3) after armored concrete solidification shrinkage, expand at construction joint, remove thin plate, protected at construction joint with C20 pea gravel concreten
Water-repellent paint is injected in sheath contact site, fills up construction joint with expansive concrete, and coating water-repellent paint is close on the inside of construction joint
Envelope；
(4) building coats of basement is set.
2. waterproofing for basement method according to claim 1, which is characterized in that the cement mortar is 1:2.5
Cement mortar.
3. waterproofing for basement method according to claim 1, which is characterized in that polymer waterproof roll is anti-for pitch
Water coiled material.
4. waterproofing for basement method according to claim 1, which is characterized in that walked in paving polymer waterproof roll
Before rapid, further include the steps that painting water-repellent paint on cement mortar surface.
5. waterproofing for basement method according to claim 1, which is characterized in that the concrete of the armored concrete
The middle reinforcing fiber that 5wt% is added.
6. waterproofing for basement method according to claim 1, which is characterized in that the reinforcing fiber is that basalt is fine
Dimension, glass fibre, asbestos fibre and carbon fiber it is one or more.
7. waterproofing for basement method according to claim 1, which is characterized in that the expansive concrete is swelling water
The concrete of concrete or addition excessive expansion agent that mud is prepared.
8. waterproofing for basement method according to claim 1 or 4, which is characterized in that the water-repellent paint is poly- ammonia
Ester water-repellent paint.
9. waterproofing for basement method according to claim 1, which is characterized in that after step (3) removes thin plate, also wrap
It includes and two sides armored concrete in construction joint is processed into rough interfaces, and clean out.
10. waterproofing for basement method according to claim 9, which is characterized in that the rough interfaces be zigzag,
Ladder-like or punching interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762408.0A CN108867709A (en) | 2018-07-12 | 2018-07-12 | A kind of waterproofing for basement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762408.0A CN108867709A (en) | 2018-07-12 | 2018-07-12 | A kind of waterproofing for basement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867709A true CN108867709A (en) | 2018-11-23 |
Family
ID=64301184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810762408.0A Pending CN108867709A (en) | 2018-07-12 | 2018-07-12 | A kind of waterproofing for basement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867709A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202147A (en) * | 2021-04-19 | 2021-08-03 | 中交二公局第三工程有限公司 | Waterproof construction method for large-area civil air defense basement |
| CN114232691A (en) * | 2022-01-19 | 2022-03-25 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated inspection well and assembling method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201801890U (en) * | 2010-08-10 | 2011-04-20 | 朱奎 | Post-pouring belt of basement with structural joint |
| CN102535520A (en) * | 2010-12-13 | 2012-07-04 | 五冶集团上海有限公司 | Waterproof construction method of large-area civil air defense basement |
| CN206815374U (en) * | 2016-11-23 | 2017-12-29 | 北京中联天盛建材有限公司 | A kind of anti-water-stopping system in underground and basement |
| CN107574842A (en) * | 2016-07-04 | 2018-01-12 | 五冶集团上海有限公司 | Basement post-pouring zone advance water stop construction method |
-
2018
- 2018-07-12 CN CN201810762408.0A patent/CN108867709A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201801890U (en) * | 2010-08-10 | 2011-04-20 | 朱奎 | Post-pouring belt of basement with structural joint |
| CN102535520A (en) * | 2010-12-13 | 2012-07-04 | 五冶集团上海有限公司 | Waterproof construction method of large-area civil air defense basement |
| CN107574842A (en) * | 2016-07-04 | 2018-01-12 | 五冶集团上海有限公司 | Basement post-pouring zone advance water stop construction method |
| CN206815374U (en) * | 2016-11-23 | 2017-12-29 | 北京中联天盛建材有限公司 | A kind of anti-water-stopping system in underground and basement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202147A (en) * | 2021-04-19 | 2021-08-03 | 中交二公局第三工程有限公司 | Waterproof construction method for large-area civil air defense basement |
| CN114232691A (en) * | 2022-01-19 | 2022-03-25 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated inspection well and assembling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207987983U (en) | A kind of waterproof construction being used for underground engineering main body construction seam and post-cast strip | |
| CN102776897B (en) | Wash apron anti-settling anti-cracking construction method and structure | |
| CN107190844A (en) | The waterproof and water drainage system and construction method of a kind of basement bottom board and exterior wall | |
| CN104846841B (en) | Anti-floating construction method for basements without uplift piles | |
| CN104153400B (en) | Construction method for preventing soft soil foundation cast-in-place pile head from being waterproof | |
| CN106759126B (en) | Construction method of side slope support drainage channel | |
| CN209722598U (en) | A kind of light-weight foamed soil structure of railway | |
| CN106894431B (en) | Hypogee pit body waterproof construction precipitation processing method under a kind of water resource enriched environment | |
| CN107916945A (en) | Using the waterproof spray-up structure and its construction method of impervious gunite concrete | |
| CN106812219A (en) | Filling wall top stuff up a crack construction method | |
| CN111350268A (en) | Construction method of concrete structure self-waterproof system in sewage treatment engineering | |
| CN108867709A (en) | A kind of waterproofing for basement method | |
| CN109457571A (en) | The construction method of ground deformation slot repairing | |
| CN104652495A (en) | Waterproof construction process for joint of inner support upright post of foundation pit and bottom plate | |
| CN107386298A (en) | A kind of depth hole composite supporting construction and its construction method with water-proof function | |
| CN106884436A (en) | A kind of construction method of the waterproof connecting structure of foundation ditch uplift pile and structure base slab | |
| CN105178364B (en) | Underground building light precipitation well point post-cast strip anti-seepage construction method | |
| CN105735206B (en) | The reparation structure and construction method of severe cold area morbid state concrete gravity dam | |
| CN210562162U (en) | Prefabricated tubular pile crackle prosthetic devices | |
| CN209053065U (en) | The leakage preventing structure of rockfill dam with asphalt concrete core on deep covering layer | |
| CN110439016A (en) | A kind of pile foundation waterproof construction method | |
| CN105888702B (en) | Waterproofing Technology of Underground Works method | |
| CN205711985U (en) | The reparation structure of severe cold area morbid state concrete gravity dam | |
| CN206189430U (en) | A escape canal for deep overburden ground | |
| CN209194574U (en) | A kind of LP blades Road Retaining Walls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |