CN110331740A - A kind of Waterproofing Technology of Underground Works method - Google Patents
A kind of Waterproofing Technology of Underground Works method Download PDFInfo
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- CN110331740A CN110331740A CN201910486652.3A CN201910486652A CN110331740A CN 110331740 A CN110331740 A CN 110331740A CN 201910486652 A CN201910486652 A CN 201910486652A CN 110331740 A CN110331740 A CN 110331740A
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- concrete
- underground
- fixed frame
- waterproof
- waterproof layer
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- 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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- 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)
- Building Environments (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of Waterproofing Technology of Underground Works methods, the following steps are included: digging foundation pit in advance in construction ground, smooth bed course is laid in bottom of foundation ditch, the assembling reinforcement at the top of the bed course, concrete cushion is poured by the reinforcing bar, it is plugged with fixed frame in the fixation of concrete cushion side wall, pouring reinforcement is connected by the fixed frame, partition is fixedly welded by fixed frame inner wall side；The fixed frame and pouring reinforcement junction are filled with water proof rubber, the water proof rubber is bonded to each other with fixed frame, pass through pouring reinforcement casting concrete, it is laid with waterproof layer in the concrete surface, it is relatively complicated in the construction process to solve present Waterproofing Technology of Underground Works method, and do not have good Lock gate in seepage in underground, it is easy have ponding in underground when seepage in underground, when in use, ponding is excessive for underground engineering, is easy the problem of influencing the use of underground installation.
Description
Technical field
The present invention relates to beneath field of engineering technology, specially a kind of Waterproofing Technology of Underground Works method.
Background technique
Underground engineering, which refers to, to be goed deep into ground the following are the underground civil-engineerings built of development and utilization Underground Space Resource.Packet
Include ground lower room (being commonly called as basement) and underground structure (such as market place builet below the ground), underground railway (such as city underground), highway tunnel
Road (such as massif tunnel), submerged tunnel (such as seabed tunnel), street crossing underpass (such as Urban Underground pavement), underground people's air defense system
System, underground pipe gallery etc..Current underground project waterproof has inner waterproofing and outer waterproof, will do outer waterproof: " in principle
Lower engineering waterproofing technical specification " the 3.1.4 articles of GB50108-2008, underground engineering upstream face main structure should be mixed using waterproof
Solidifying soil, and other waterproof measures should be taken according to the requirement of waterproofing grade.And the underground engineering having in the past does not do outer waterproof, has
Although having done outer waterproof but failure (not retrieving the technical literature for doing outer waterproof for existing underground engineering at present), underground work
In water, steel bar corrosion, concrete breakaway, it is existing that serious infiltration leak occurs to the main structure long period of soaking of journey in the underground space
, to building use and safety belt great hidden danger.
But there are some drawbacks for present Waterproofing Technology of Underground Works method, such as:
1, present Waterproofing Technology of Underground Works method is relatively complicated in the construction process, and not good in seepage in underground
Lock gate, when seepage in underground, are easy there is ponding in underground, and when in use, ponding is excessive for underground engineering, are easy to influence underground
The use of facility.
2, present Waterproofing Technology of Underground Works method is in the construction process since the underground temperature difference is larger, in use
It is easy to happen to expand with heat and contract with cold after the completion of concreting and leads to concrete cracking, influence the quality of underground waterproof engineering.
Summary of the invention
The purpose of the present invention is to provide a kind of Waterproofing Technology of Underground Works methods, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of Waterproofing Technology of Underground Works method, including with
Lower step；
S1, foundation pit is dug in advance in construction ground, be laid with smooth bed course in bottom of foundation ditch, the assembling reinforcement at the top of the bed course passes through institute
It states reinforcing bar and pours concrete cushion, be plugged with fixed frame in the fixation of concrete cushion side wall.
S2, pouring reinforcement is connected by the fixed frame, partition is fixedly welded by fixed frame inner wall side；The fixation
Frame and pouring reinforcement junction are filled with water proof rubber, and the water proof rubber is bonded to each other with fixed frame.
S3, pass through pouring reinforcement casting concrete, be laid with waterproof layer in the concrete surface, it is separate in the waterproof layer
The side of concrete is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer.
S4, it is fixedly welded fixed upper frame at the top of fixed frame, in fixed upper frame bottom welding diaphragm, is connected by fixed upper frame
Pouring reinforcement is connect, by pouring reinforcement casting concrete layer, waterproof layer is laid at the top of the concrete layer, in the waterproof layer
Side far from concrete is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer.
S5, diversion trench, the diversion trench and side waterproof roll of top waterproof roll are opened up in waterproof roll outer wall fixation
The diversion trench of material.
S6, it is located on the outside of fixed frame in the concrete cushion two sides and opens up diversion trench, makes diversion trench and waterproof roll phase
Mutually cooperation, is equipped with waterproof layer in the water conservancy diversion trench bottom, protective cover is equipped at the top of the diversion trench, at the top of protective cover
Open up discharge orifice.
Preferably, waterproof layer uses self-adhering-type water-repellent paint, and the self-adhering-type water-repellent paint passes through SBS synthetic rubber, increasing
Stick and bi tumenf orr oad are base-material, are mixed using density polyethylene film with high, polyester film as top surface.
Preferably, the insulating layer is made of mineral wool.
Preferably, concrete adds water-reducing agent, triethanolamine and iron chloride in concrete mix.
Preferably, the fixed frame is made with fixed upper frame of steel material.
Preferably, the bed course is using coarse-grained soil and fine grained soil placement in layers.
Preferably, the concrete cushion is reserved has the gap, and rubber waterproof layer is filled between the gap.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is discharged by use being collected water using waterproof roll and diversion trench, can will by diversion trench
Underground engineering is discharged in ponding, prevents underground engineering ponding, influences the use of underground engineering, ponding can be prevented anti-by waterproof layer
The concrete surface layer of Hydraulic Projects, damages concrete.
2, the present invention can carry out certain heat preservation to underground waterproof construction project subject by preset insulating layer, on ground
When lower generation difference variation, the expansion of concrete is adapted to by preset water proof rubber with contraction, guarantees concrete not
It can lead to concrete cracking because expanding with heat and contract with cold, influence the quality of underground waterproof engineering.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1, the present invention provide a kind of technical solution: a kind of Waterproofing Technology of Underground Works method includes the following steps；
S1, foundation pit is dug in advance in construction ground, be laid with smooth bed course in bottom of foundation ditch, the assembling reinforcement at the top of the bed course passes through institute
It states reinforcing bar and pours concrete cushion, be plugged with fixed frame in the fixation of concrete cushion side wall.
S2, pouring reinforcement is connected by the fixed frame, partition is fixedly welded by fixed frame inner wall side；The fixation
Frame and pouring reinforcement junction are filled with water proof rubber, and the water proof rubber is bonded to each other with fixed frame.
S3, pass through pouring reinforcement casting concrete, be laid with waterproof layer in the concrete surface, it is separate in the waterproof layer
The side of concrete is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer.
S4, it is fixedly welded fixed upper frame at the top of fixed frame, in fixed upper frame bottom welding diaphragm, is connected by fixed upper frame
Pouring reinforcement is connect, by pouring reinforcement casting concrete layer, waterproof layer is laid at the top of the concrete layer, in the waterproof layer
Side far from concrete is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer.
S5, diversion trench, the diversion trench and side waterproof roll of top waterproof roll are opened up in waterproof roll outer wall fixation
The diversion trench of material.
S6, it is located on the outside of fixed frame in the concrete cushion two sides and opens up diversion trench, makes diversion trench and waterproof roll phase
Mutually cooperation, is equipped with waterproof layer in the water conservancy diversion trench bottom, protective cover is equipped at the top of the diversion trench, at the top of protective cover
Open up discharge orifice.
Wherein, waterproof layer uses self-adhering-type water-repellent paint, and the self-adhering-type water-repellent paint passes through SBS synthetic rubber, thickening
Agent and bi tumenf orr oad are base-material, are mixed using density polyethylene film with high, polyester film as top surface.
Wherein, the insulating layer is made of mineral wool.
Wherein, concrete adds water-reducing agent, triethanolamine and iron chloride in concrete mix.
Wherein, the fixed frame is made with fixed upper frame of steel material.
Wherein, the bed course is using coarse-grained soil and fine grained soil placement in layers.
Wherein, the concrete cushion is reserved has the gap, and rubber waterproof layer is filled between the gap.
The present invention is discharged by use being collected water using waterproof roll and diversion trench, can be with by diversion trench
Underground engineering is discharged in ponding, prevents underground engineering ponding, influences the use of underground engineering, ponding can be prevented by waterproof layer
The concrete surface layer of waterproofing work, damages concrete, can be to underground waterproof construction engineering by preset insulating layer
Main body carries out certain heat preservation, when difference variation occurs for underground, expansion and receipts by preset water proof rubber to concrete
Retraction row adapts to, and guarantees that concrete will not lead to concrete cracking because of expanding with heat and contract with cold, influences the quality of underground waterproof engineering.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
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 (7)
1. a kind of Waterproofing Technology of Underground Works method, it is characterised in that: include the following steps；
S1, foundation pit is dug in advance in construction ground, be laid with smooth bed course in bottom of foundation ditch, the assembling reinforcement at the top of the bed course passes through institute
It states reinforcing bar and pours concrete cushion, be plugged with fixed frame in the fixation of concrete cushion side wall；
S2, pouring reinforcement is connected by the fixed frame, partition is fixedly welded by fixed frame inner wall side；The fixed frame with
Pouring reinforcement junction is filled with water proof rubber, and the water proof rubber is bonded to each other with fixed frame；
S3, pass through pouring reinforcement casting concrete, waterproof layer is laid in the concrete surface, in the waterproof layer far from coagulation
The side of soil is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer；
S4, it is fixedly welded fixed upper frame at the top of fixed frame, in fixed upper frame bottom welding diaphragm, is poured by fixed upper frame connection
Reinforcing bar is built, by pouring reinforcement casting concrete layer, is laid with waterproof layer at the top of the concrete layer, it is separate in the waterproof layer
The side of concrete is laid with insulating layer, in the fixed laying water-proof coiled material in side of the insulating layer far from waterproof layer；
S5, diversion trench, diversion trench and the side waterproof roll of top waterproof roll are opened up in waterproof roll outer wall fixation
Diversion trench；
S6, it is located on the outside of fixed frame in the concrete cushion two sides and opens up diversion trench, makes diversion trench and waterproof roll phase interworking
It closes, is equipped with waterproof layer in the water conservancy diversion trench bottom, is equipped with protective cover at the top of the diversion trench, is opened up at the top of protective cover
Discharge orifice.
2. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: waterproof layer uses self-adhering-type
Water-repellent paint, the self-adhering-type water-repellent paint is base-material by SBS synthetic rubber, tackifier and bi tumenf orr oad, with height
Density polyethylene film, polyester film are mixed for top surface.
3. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: the insulating layer uses mine
Object cotton is made.
4. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: concrete is mixed in concrete
It closes and adds water-reducing agent, triethanolamine and iron chloride in object.
5. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: the fixed frame and fixation
Upper frame is made of steel material.
6. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: the bed course uses coarse grain
Soil and fine grained soil placement in layers.
7. a kind of Waterproofing Technology of Underground Works method according to claim 1, it is characterised in that: the concrete cushion is pre-
There are gap, rubber waterproof layer is filled between the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486652.3A CN110331740B (en) | 2019-06-05 | 2019-06-05 | Waterproof construction method for underground engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486652.3A CN110331740B (en) | 2019-06-05 | 2019-06-05 | Waterproof construction method for underground engineering |
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| Publication Number | Publication Date |
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| CN110331740A true CN110331740A (en) | 2019-10-15 |
| CN110331740B CN110331740B (en) | 2021-03-23 |
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| CN201910486652.3A Active CN110331740B (en) | 2019-06-05 | 2019-06-05 | Waterproof construction method for underground engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663780A (en) * | 2020-06-30 | 2020-09-15 | 深圳市建工集团股份有限公司 | Synchronous construction method for outer wall waterproof layer and concrete structure |
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| CN110331740B (en) | 2021-03-23 |
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