CN107326923A - Outer wall of underground structure HCMW engineering methods composite wall and its construction method - Google Patents
Outer wall of underground structure HCMW engineering methods composite wall and its construction method Download PDFInfo
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- CN107326923A CN107326923A CN201710595514.XA CN201710595514A CN107326923A CN 107326923 A CN107326923 A CN 107326923A CN 201710595514 A CN201710595514 A CN 201710595514A CN 107326923 A CN107326923 A CN 107326923A
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000012407 engineering method Methods 0.000 title claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 58
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 20
- 239000004570 mortar (masonry) Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009412 basement excavation Methods 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 238000009416 shuttering Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- -1 batten Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of outer wall of underground structure HCMW engineering method composite walls, including：Soil-cement piling wall, the Soil-cement piling wall includes precast reinforced concrete piles are spaced or be continuously inserted with multiple cement mixing methods being continuously mutually twisted, the multiple cement mixing method；On screed-coat, the inwall for being arranged on Soil-cement piling wall；Outer wall of underground structure, the outer wall of underground structure is arranged on the inwall of screed-coat, and the outer wall of underground structure includes reinforcing bar and the concrete mixed with waterproof compacting agent；Present invention also offers the construction method of above-mentioned outer wall of underground structure HCMW engineering method composite walls.By the above-mentioned means, the present invention is simple and reasonable, cancel fertile groove, so that the series of malpractice of fertile groove is avoided, water resistance enhancing, process simplification, easy construction, shortening duration.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of outer wall of underground structure HCMW engineering methods composite wall and
Its construction method.
Background technology
Traditional outer wall of underground structure working procedure：Supporting, excavation (increasing fertile groove), bed course, waterproof slab, colligation Bottom Board Steel
Muscle and reinforcing steel bars of wallboards, pour underplate concrete, edge-on mould inside and outside colligation exterior wall and post reinforcing bar, outer wall of underground structure, pour exterior wall
Concrete, external wall waterproof coiled material are pasted, waterproofing protection, fertile groove are backfilled, outdoor pipeline is buried, floor construction, in work progress
Following problem generally existing：
1st, exterior wall shuttering constructional difficulties
Excavation of foundation pit space is limited, and the typically reserved fertile well width of construction space is less than 1.2 meters, narrow space outer wall of underground structure mould
Plate difficulty of construction is big, and the working environment of workers is poor, and job scheduling is slow, and scaffold is torn open take twice, and turnover wastes serious；
2nd, the fertile difficult densification of groove backfill is real
Space is excessively narrow and small between exterior wall and supporting construction, and waterproof roll needs protection, and backfill is unable to mechanized construction, quality
It is difficult to control to.Feed back is loose, is often mixed into the debris such as fragment of brick, batten, rubbish, or even with water backfill.Posterior settlement perdurabgility
Long, settling amount is big, causes the facility destructions such as water pipe leak, pipeline are damaged, aproll is decorated；
3rd, backfill is loose, the retaining basin artificially manufactured
Backfill is loose around outer wall of underground structure, has artificially manufactured a retaining basin, underground structure is just seated in retaining basin,
Rainy ponding, pipe leakage ponding are collected in the fertile groove of foundation ditch, because excavation slope safeguard procedures stop that ponding is lost in, retaining basin
Interior water level is higher than ordinary water level in the soil body of periphery.Water buoyancy exceedes design anti-floating standard.This is the master that many underground structures float
Want reason.If local coiled material damages leak, then whole waterproof coiled material system slowly fails；
4th, supporting construction system is scrapped after foundation ditch backfill, is wasted the serious obstacle that formed simultaneously and is permanently present.
The content of the invention
The present invention solves the technical problem of provide a kind of outer wall of underground structure HCMW engineering methods composite wall and its construction
Method, it is simple and reasonable, cancel fertile groove, so as to avoid the series of malpractice of fertile groove, water resistance enhancing, process simplifies, applied
Work is convenient, shorten the duration.
In order to solve the above technical problems, one aspect of the present invention is：A kind of outer wall of underground structure is provided
HCMW engineering method composite walls, including：
Soil-cement piling wall, the Soil-cement piling wall includes multiple cement mixing methods being continuously mutually twisted, described
It is spaced in multiple cement mixing methods or is continuously inserted with precast reinforced concrete piles；
On screed-coat, the inwall for being arranged on Soil-cement piling wall；
Outer wall of underground structure, the outer wall of underground structure is arranged on the inwall of screed-coat, and the outer wall of underground structure includes steel
Muscle and the concrete mixed with waterproof compacting agent.
In a preferred embodiment of the present invention, the cross section of the precast reinforced concrete piles is in dumbbell shape.
In a preferred embodiment of the present invention, waterproof mortar course, the underground are provided with the inwall of the screed-coat
Structure outer is arranged on the inwall of waterproof mortar course.
In a preferred embodiment of the present invention, the thickness of the waterproof mortar course is 25 ~ 30mm.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of outer wall of underground structure is provided
The construction method of HCMW engineering method composite walls, including step in detail below：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed；
C, on the inwall of precast reinforced concrete piles it is implanted into split bolt；
D, progress construction of leveling blanket；
E, the construction of outer wall of underground structure framework of steel reinforcement；
F, using the inwall of screed-coat as outboard template, inner side template is installed on the other end of split bolt；
G, pour concrete mixed with waterproof compacting agent；
H, after concrete reaches design strength, form removal, composite wall construction complete.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of outer wall of underground structure is provided
The construction method of HCMW engineering method composite walls, it is characterised in that including step in detail below：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed；
C, on the inwall of precast reinforced concrete piles it is implanted into split bolt；
D, progress construction of leveling blanket；
E, waterproof mortar course is smeared on the inwall of screed-coat, and is conserved, curing time is more than or equal to 15 days, during maintenance,
Waterproof mortar course keeps moistening；
F, detection waterproof mortar course have the defects such as free from flaw, hollowing, if any then being repaired, until qualified；
G, the construction of outer wall of underground structure framework of steel reinforcement；
H, using the inwall of screed-coat as outboard template, inner side template is installed on the other end of split bolt；
I, pour concrete mixed with waterproof compacting agent；
J, after concrete reaches design strength, form removal, composite wall construction complete.
The invention has the advantages that：
1st, Soil-cement piling wall and water-proof concrete wall are cement base inorganic material using material, and buried underground connects with soil
Touch, particularly soil cement is long in underground chemical reaction perdurabgility, and intensity, crystalline solid constantly increase, with underground structure wall main body
Concrete structure is gradually fused into one；
2nd, water resistance is significantly increased, and impervious coefficient, in 10-8cm/s, there is waterproof action to Soil-cement piling wall in itself；Soil cement
Churned pile wall is combined closely with underground structure concrete exterior wall, is eliminated the fertile groove of excavation, has been cut off permeable path, permeation pathway is prolonged
Long, infiltration hydraulic pressure is substantially reduced；In Soil-cement piling wall, cement soil wall be it is continuous, it is firm from soil, soil cement, concrete walls
Degree is gradual change, smaller to concrete walls deformation constraint, and impervious strong, plasticity is big in itself for soil cement, be difficult to form permeable crack,
Every prefabricated pile independently bears external force, is wrapped in cement soil wall, bears the anti-permeability performance that external force has no effect on soil cement；
3rd, difficulty of construction is reduced, only need to be in the unilateral shuttering in inner side, process letter using Soil-cement piling wall as outboard template
Single, by being implanted into split bolt on prefabricated pile, unilateral shuttering operation is easy, easily simple；Cement mixing method enclosure wall,
Substantially plane, simple linked network mortar powder is put down, you can do rigid composite waterproof layer；Whole flow process is simple, and working face is open, workman
Construction environment improves；
4th, the duration shortens, and process simplifies, and coiled material construction, backfilling of earthwork, outside scaffold template construction is eliminated, by weather, sky
Between etc. external factor influence it is small, construction joint quantity is reduced, and the duration substantially shortens；
5th, cost savings, turnover is using reducing, and outside shuttering is required more with quantity such as short and small steel pipe, fasteners, wastes tight
Weight, is all eliminated；Process simplifies, and construction joint quantity is reduced, cost of labor reduction；Backfill cost savings；Construction land tenure subtracts
It is small, it can amplify using space, development ＆ construction resource is exaggerated.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is the structural representation of the preferred embodiment of outer wall of underground structure HCMW engineering methods composite wall one of the present invention；
Fig. 2 is Fig. 1 A-A to sectional view；
Fig. 3 is the structural representation of another preferred embodiment of outer wall of underground structure HCMW engineering method composite walls of the present invention；
Fig. 4 is Fig. 3 B-B direction sectional view.
The mark of each part is as follows in accompanying drawing：1st, cement mixing method, 2, precast reinforced concrete piles, 3, screed-coat, 4,
Outer wall of underground structure, 5, split bolt, 6, inner side template, 7, waterproof mortar course.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Fig. 1 to Fig. 4 is referred to, the embodiment of the present invention includes：
Embodiment one：
The present embodiment is adapted to two grades and the requirement of following classification of waterproof, specific as follows：
A kind of outer wall of underground structure HCMW engineering method composite walls, including：
Soil-cement piling wall, the Soil-cement piling wall includes multiple cement mixing methods 1 being continuously mutually twisted, described
It is spaced in multiple cement mixing methods or is continuously inserted with precast reinforced concrete piles 2；
On screed-coat 3, the inwall for being arranged on Soil-cement piling wall；
Outer wall of underground structure 4, the outer wall of underground structure is arranged on the inwall of screed-coat, and the outer wall of underground structure includes steel
Muscle and the concrete mixed with waterproof compacting agent.
The cross section of the precast reinforced concrete piles is in dumbbell shape.
The invention also discloses the construction method of above-mentioned outer wall of underground structure HCMW engineering method composite walls, including walk in detail below
Suddenly：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed, herein
The construction such as also need to carry out conventional waterproof slab, pour, I will not elaborate；
C, the implantation split bolt 5 on the inwall of precast reinforced concrete piles；
D, progress construction of leveling blanket；
E, the construction of outer wall of underground structure framework of steel reinforcement；
F, using the inwall of screed-coat as outboard template, on the other end of split bolt install inner side template 6；
G, pour concrete mixed with waterproof compacting agent；
H, after concrete reaches design strength, form removal, composite wall construction complete.
Embodiment two：
The present embodiment is adapted to the requirement of one-level classification of waterproof, specific as follows：
A kind of outer wall of underground structure HCMW engineering method composite walls, including：
Soil-cement piling wall, the Soil-cement piling wall includes multiple cement mixing methods being continuously mutually twisted, described
It is spaced in multiple cement mixing methods or is continuously inserted with precast reinforced concrete piles；
On screed-coat, the inwall for being arranged on Soil-cement piling wall；
Waterproof mortar course 7, the waterproof mortar course is arranged on the inwall of screed-coat, the thickness of the waterproof mortar course for 25 ~
30mm；
Outer wall of underground structure, the outer wall of underground structure is arranged on the inwall of waterproof mortar course, the outer wall of underground structure bag
Include reinforcing bar and the concrete mixed with waterproof compacting agent.
The invention also discloses the construction method of above-mentioned outer wall of underground structure HCMW engineering method composite walls, it is characterised in that bag
Include step in detail below：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed, herein
The construction such as also need to carry out conventional waterproof slab, pour, I will not elaborate；
C, on the inwall of precast reinforced concrete piles it is implanted into split bolt；
D, progress construction of leveling blanket；
E, waterproof mortar course is smeared on the inwall of screed-coat, and is conserved, curing time is more than or equal to 15 days, during maintenance,
Waterproof mortar course keeps moistening；
F, detection waterproof mortar course have the defects such as free from flaw, hollowing, if any then being repaired, until qualified；
G, the construction of outer wall of underground structure framework of steel reinforcement；
H, using the inwall of screed-coat as outboard template, inner side template is installed on the other end of split bolt；
I, pour concrete mixed with waterproof compacting agent；
J, after concrete reaches design strength, form removal, composite wall construction complete.
The invention has the advantages that：
1st, Soil-cement piling wall and water-proof concrete wall are cement base inorganic material using material, and buried underground connects with soil
Touch, particularly soil cement is long in underground chemical reaction perdurabgility, and intensity, crystalline solid constantly increase, with underground structure wall main body
Concrete structure is gradually fused into one；
2nd, water resistance is significantly increased, and impervious coefficient, in 10-8cm/s, there is waterproof action to Soil-cement piling wall in itself；Soil cement
Churned pile wall is combined closely with underground structure concrete exterior wall, is eliminated the fertile groove of excavation, has been cut off permeable path, permeation pathway is prolonged
Long, infiltration hydraulic pressure is substantially reduced；In Soil-cement piling wall, cement soil wall be it is continuous, it is firm from soil, soil cement, concrete walls
Degree is gradual change, smaller to concrete walls deformation constraint, and impervious strong, plasticity is big in itself for soil cement, be difficult to form permeable crack,
Every prefabricated pile independently bears external force, is wrapped in cement soil wall, bears the anti-permeability performance that external force has no effect on soil cement；
3rd, difficulty of construction is reduced, only need to be in the unilateral shuttering in inner side, process letter using Soil-cement piling wall as outboard template
Single, by being implanted into split bolt on prefabricated pile, unilateral shuttering operation is easy, easily simple；Cement mixing method enclosure wall,
Substantially plane, simple linked network mortar powder is put down, you can do rigid composite waterproof layer；Whole flow process is simple, and working face is open, workman
Construction environment improves；
4th, the duration shortens, and process simplifies, and coiled material construction, backfilling of earthwork, outside scaffold template construction is eliminated, by weather, sky
Between etc. external factor influence it is small, construction joint quantity is reduced, and the duration substantially shortens；
5th, cost savings, turnover is using reducing, and outside shuttering is required more with quantity such as short and small steel pipe, fasteners, wastes tight
Weight, is all eliminated；Process simplifies, and construction joint quantity is reduced, cost of labor reduction；Support pile may be used as main body stake one
Point, engineering pile quantity can be reduced；Backfill cost savings；Construction land tenure is reduced, and can be amplified using space, development ＆ construction money
Source is exaggerated.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of outer wall of underground structure HCMW engineering method composite walls, it is characterised in that including：
Soil-cement piling wall, the Soil-cement piling wall includes multiple cement mixing methods being continuously mutually twisted, described
It is spaced in multiple cement mixing methods or is continuously inserted with precast reinforced concrete piles；
On screed-coat, the inwall for being arranged on Soil-cement piling wall；
Outer wall of underground structure, the outer wall of underground structure is arranged on the inwall of screed-coat, and the outer wall of underground structure includes steel
Muscle and the concrete mixed with waterproof compacting agent.
2. outer wall of underground structure HCMW engineering method composite walls according to claim 1, it is characterised in that the armored concrete
The cross section of prefabricated pile is in dumbbell shape.
3. outer wall of underground structure HCMW engineering method composite walls according to claim 1 or 2, it is characterised in that the screed-coat
Inwall on be provided with waterproof mortar course, the outer wall of underground structure is arranged on the inwall of waterproof mortar course.
4. outer wall of underground structure HCMW engineering method composite walls according to claim 3, it is characterised in that the waterproof mortar course
Thickness be 25 ~ 30mm.
5. a kind of construction method of outer wall of underground structure HCMW engineering method composite walls as claimed in claim 1 or 2, its feature exists
In, including step in detail below：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed；
C, on the inwall of precast reinforced concrete piles it is implanted into split bolt；
D, progress construction of leveling blanket；
E, the construction of outer wall of underground structure framework of steel reinforcement；
F, using the inwall of screed-coat as outboard template, inner side template is installed on the other end of split bolt；
G, pour concrete mixed with waterproof compacting agent；
H, after concrete reaches design strength, form removal, composite wall construction complete.
6. a kind of construction method of outer wall of underground structure HCMW engineering method composite walls as claimed in claim 3, it is characterised in that bag
Include step in detail below：
A, using multi-shaft stirring stake machine carry out Soil-cement piling wall construction；
B, underground structure earth excavation, dig to set depth, and the inwall of precast reinforced concrete piles is substantially exposed；
C, on the inwall of precast reinforced concrete piles it is implanted into split bolt；
D, progress construction of leveling blanket；
E, waterproof mortar course is smeared on the inwall of screed-coat, and is conserved, curing time is more than or equal to 15 days, during maintenance,
Waterproof mortar course keeps moistening；
F, detection waterproof mortar course have the defects such as free from flaw, hollowing, if any then being repaired, until qualified；
G, the construction of outer wall of underground structure framework of steel reinforcement；
H, using the inwall of screed-coat as outboard template, inner side template is installed on the other end of split bolt；
I, pour concrete mixed with waterproof compacting agent；
J, after concrete reaches design strength, form removal, composite wall construction complete.
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| CN201710595514.XA CN107326923A (en) | 2017-07-20 | 2017-07-20 | Outer wall of underground structure HCMW engineering methods composite wall and its construction method |
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| CN201710595514.XA CN107326923A (en) | 2017-07-20 | 2017-07-20 | Outer wall of underground structure HCMW engineering methods composite wall and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111764400A (en) * | 2020-07-06 | 2020-10-13 | 常州市建筑科学研究院集团股份有限公司 | Waterproof construction method for laminated wall based on HCMW construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764400A (en) * | 2020-07-06 | 2020-10-13 | 常州市建筑科学研究院集团股份有限公司 | Waterproof construction method for laminated wall based on HCMW construction method |
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Application publication date: 20171107 |