CN106836310A - A kind of building basement external wall waterproof construction method - Google Patents
A kind of building basement external wall waterproof construction method Download PDFInfo
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- CN106836310A CN106836310A CN201710107644.4A CN201710107644A CN106836310A CN 106836310 A CN106836310 A CN 106836310A CN 201710107644 A CN201710107644 A CN 201710107644A CN 106836310 A CN106836310 A CN 106836310A
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- wall
- basement
- agitator
- concrete
- waterproof
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Classifications
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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
-
- 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
- E02D31/04—Watertight packings for use under hydraulic pressure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
The invention discloses a kind of building basement external wall waterproof construction method, it is characterised in that this method is using addition PNC803 waterproof materials into realizing waterproof construction by the way of outer wall of basement casting concrete.The present invention has simple to operate, and short time limit, expense is low, the advantages of good water-proof effect.
Description
Technical field
The invention belongs to building foundation engineering construction field, and in particular to a kind of building basement external wall waterproof construction party
Method.
Background technology
With expanding economy and the sustainable growth of population, land resource increasingly seems urgent.Promote university from religion
Educating land used is commercialized land used transition to half Educational Return land used half, therewith it is adjoint be substantial amounts of comprehensive commercial mansion such as rain after
Emitted out as spring bamboo.But commercial mansion will not only meet the land for teaching requirement of school, and to meet business
The benefit requirement of profit, so commercial mansion addressing typically can all select be close to city road side, so as to largely increase
The difficulty of construction, and Deep Foundation Pit construction is more intended to be excavated without fertile groove.
Building foundation pit refers to that the outer foundation ditch inwall of building basement exterior wall does not scrape out slope without fertile groove excavation construction method,
And it is in vertical state so that the operating space of outer wall of basement and foundation ditch crater wall is than narrow building foundation pit construction method.One
As building foundation waterproof construction, it is necessary to outer wall of basement outer surface set waterproof roll, then layer protective layer is set again,
Construction foundation working is backfilled again after finishing.But take the operating space for meaning barricade and foundation ditch crater wall without fertile groove excavation technology
Narrow and small, basement waterproofing is without constructing operation face, and difficulty of construction is larger.Traditional self-adhering polymer waterproof coiled material construction, needs
Do moulding wall, and using single side formwork construction, thus this existing waterproof technique to there is long in time limit, costly, difficulty of construction big
Etc. defect.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are:There is provided a kind of construction simple, work
Phase is short, and expense is low, the building basement external wall waterproof construction method of good water-proof effect, is particularly suitable for the deeper skyscraper of foundation ditch
Building basement external wall construction in practice.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme:
A kind of building basement external wall waterproof construction method, it is characterised in that this method is entered using addition PNC803 waterproof materials
The mode for entering outer wall of basement casting concrete realizes waterproof construction.
PNC waterproof materials are interior biography waterproof material of splashing, and are a kind of existing waterproof materials, but applicant's first Application is in upper
State the building foundation waterproof construction of mode.Cost-effective with easy construction safety, the duration is shorter, and waterproof effect is outstanding, quality
Reliable durable is strong and the advantages of environmental protection.
The dusty material that PNC803 is formulated by Portland cement and various chemical substances, during concrete-agitating
, there is the water insoluble crystalline solid of chemical reaction generation in addition, be filled, seal with concrete-agitating thing reclaimed water, calcium hydroxide
Stifled capillary and contraction fissure, make water or other liquid in any direction all cannot be introduced into, so as to reach the purpose of waterproof.It is anhydrous
When, the active component of PNC803 in a dormant state, will be reactivated when being contacted with water again, produce new crystalline solid,
Concrete is set to obtain permanent waterproof, anti-corrosion protection.Therefore it is able to ensure that different situations each can reach good waterproof effect.
This method specifically includes following construction procedure:(1) dabbing treatment;I.e. in raft foundation formwork pouring construction,
Accordingly lower outdoor wall displacement formed by integrally casting goes out one section of outer wall foundation for raising up at raft foundation edge, pre-buried in outer wall foundation
Embedded water stop steel plate in the middle of reinforcing bar straight up, outer wall foundation, steel plate for sealing water half exposes outer wall foundation upper surface, in coagulation
Dabbing treatment is carried out before native final set to the outer wall foundation upper surface, male and fomale(M&F) is formed, and rinsed well with water;Ensure connection effect
Really.
(2) the reinforcing bar colligation of outer wall of basement is completed based on embedded bar in outer wall foundation;
(3) formwork erection;During formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or in basement
One section of the position formation evagination of beam slab and interior wall pours chamber in exterior wall respective chamber/chambers;Simultaneously outer wall of basement and indoor beam slab with
And interior wall junction is fixedly installed block;(Block for ensureing the connection between outer wall of basement and indoor beam slab and interior wall,
Increase concrete mobile obstacle again simultaneously, thus be avoided that the stream of concrete between outer wall of basement and indoor beam slab and interior wall
It is dynamic so that the position of indoor beam slab and interior wall pours can be cost-effective using the concrete for being not added with PNC waterproof materials, together
When avoid concrete from flowing also ensure that the waterproof effect of joining place outer wall body)
(4) concreting, including concrete is the step of configure and the step of pouring;When pouring, outer wall of basement corresponding templates
Using the concreting of addition PNC waterproof materials in inner chamber, indoor beam slab and the corresponding template inner chamber of interior wall use and are not added with
The concreting of PNC waterproof materials;
(5) form removal, concrete strength reaches more than 2.5MPa, carries out form removal construction.
So, using aforesaid way step, waterproof material is added in concrete and is poured, the coagulation civil engineering for obtaining
Build nature and possess good waterproof effect, and do not influence the normal construction step of construction.
As optimization, pour during carrying out outer wall of basement waterproof construction with addition PNC waterproof materials in concrete, when
Outer wall of basement is poured after exceeding constructor's height to height, when model sheetinstallat is reinforced, is installed using on the outside of outer wall of basement
Operation platform, operator station carries out upward model sheetinstallat and reinforces on operation platform;Operation platform structure includes vertically setting
Put and the vertical vertical rod of a row that horizontal interval is arranged between outer wall of basement and foundation ditch inwall, being horizontally disposed with vertical vertical rod has
Multiple rows of hyphen bar being intervally arranged along the vertical direction, hyphen bar one end is weldingly fixed on the outer wall of basement water-proof bolt for having poured
Outer end, the other end is anchored on foundation ditch inwall, is fixed using fastener between hyphen bar and vertical vertical rod, often arranges hyphen bar upper surface
Overlapped along the direction of horizontal vertical and be provided with the first long transverse lever and the second long transverse lever, the first long transverse lever and the second long transverse lever are spaced
Arrangement and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long transverse lever each with hyphen bar it
Between fixed using fastener, the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate.
So, hyphen bar as platform brace foundation, one end is anchored in foundation ditch inwall, and the other end is fixedly welded on sealing
Bolt, then support is realized by the simple single vertical vertical rod in middle part, simple structure ensure that the stability of support, while by
Only have single in vertical vertical rod and connected using fastener and hyphen bar, therefore interference will not be produced, the equal extremely convenient of installing/dismounting is fast
It is prompt.Two long transverse levers and the bamboo yoke plate simple structure of laying for setting, and facilitate workman to walk thereon, improve security.
Used as optimization, ground is laid along the length direction also level of outer wall of basement between outer wall of basement and foundation ditch inwall
There is support baseboard, support baseboard upper surface is arranged at intervals with installation groove, the vertical vertical rod along outer wall of basement length direction
Lower end correspondence is plugged in installation groove.So, the installation of vertical vertical rod is facilitated to position, while support baseboard improves construction putting down
Platform lower end load area, it is to avoid vertical vertical rod lower end is absorbed in soil and influences operation platform stability.It is described short as optimization
Cross bar, the first long transverse lever and the second long transverse lever are obtained using the steel pipe of φ 48 × 3.0, with low cost, easy construction, surely
Fixed reliable advantage.Used as optimization, the height distance between adjacent two rows hyphen bar is 1.5 meters, often arranges every phase between hyphen bar
Adjacent two 1.2 meters of hyphen bar level intervals;The size can both ensure the overall structural soundness of operation platform, again will not be excessive
Ground waste of materials, it is cost-effective, and very convenient workman climbs up and over up and down.Used as optimization, hyphen bar one end is anchored into foundation ditch inwall
30cm;The size can both reduce the difficulty of anchoring.Convenient construction, ensure that the reliability of anchoring load-bearing again.
Used as optimization, the vertical vertical rod is disposed adjacent with the first long transverse lever near foundation ditch inwall.Because hyphen
Bar and foundation ditch inwall are that the mode of anchoring is fixed, and the hyphen bar other end is to be welded on water-proof bolt, after the former steadiness is not so good as
Person, therefore vertical vertical rod is disposed in proximity into the former position, can preferably improve the integrally-built stability of operation platform and can
By property.
As optimization, pour during carrying out outer wall of basement waterproof construction with addition PNC waterproof materials in concrete, mix
During solidifying soil configuration, realized using following water-proof concrete configuration device, including a concrete tank, also including a stirring
Bucket, is provided with a plastic water bag in agitator, plastic water bag upper end open edge is consistent with agitator upper port edge and phase
Even, the length after plastic water bag extends is equal to or higher than agitator depth, and stirring bottom of the barrel is located at plastic water bag lower section and is provided with
Electronic weigher, electronic weigher has horizontally disposed face and the face of weighing of weighing for being located at the top positioned at agitator
Middle part, agitator upper end side is also outwards provided with and communicated with water inlet pipe, and water inlet pipe the inner is sealingly connected to inside plastic water bag, enters
Water inlet switch valve is installed, agitator lower end side is also outwards provided with and communicated with outlet pipe, and the inner sealing of outlet pipe connects on water pipe
It is connected to inside plastic water bag, effluent switch valve and water pump is provided with outlet pipe, outlet pipe water side is connected to concrete tank
The entrance of upper agitator tank.
So, when using, effluent switch valve can be first closed, water inlet switch valve is opened, by water inlet pipe to plastic water bag
Interior water inlet, water inlet switch valve is closed after the water that fixed mass is entered by electronic weigher metering, is subsequently adding correspondence ratio
PNC waterproof materials after stirring, then open effluent switch valve and water pump and uniformly will be mixed with PNC waterproofs in plastic water bag
The water of material is directly pumped into agitator tank, adds concrete formulation to be stirred.So, first realize that PNC prevents by agitator
Be added directly into concrete drums after the stirring and evenly mixing of water material, it is ensured that in concrete PNC waterproof materials be mixed into it is equal
Even property, and promptness, the time conditions for using itself and waterproof material itself are matched, it is ensured that good waterproof effect.
Used as optimization, also including self- poking arrangement, self- poking arrangement includes a tripod, and tripod includes circumferential
Upper equally distributed three foot levers, foot lever the inner is fixedly connected a motor, foot lever length and the matching of agitator radius and foot lever
Outer end is curved for the bending with the clamping of agitator edge under being, motor output end be connected with one extend straight down stir
Axle is mixed, agitating shaft lower end extends to agitator middle and lower part position and the lower end is provided with stirring vane.
So, stirring barrel edge can be fixed on by tripod foot lever so that stirring vane is deep into agitator
Inside, drives stirring vane to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Influence weight calculation is weighed.
Be additionally provided with one piece of intermediate plate as optimization, between electronic weigher and plastic water bag, intermediate plate it is horizontally disposed and
Shape is consistent with agitator lumenal cross-section, leaves and can be slided up and down for intermediate plate between intermediate plate edge and stirring barrel cavity
Gap, intermediate plate upper surface is directly and plastic water bag is affixed settings, is weighed with electronic weigher in the middle part of intermediate plate lower surface
Face is affixed setting.Preferably by the weight transmitting of plastic water bag to electronic weigher can so be improved and claim by intermediate plate
Weight accuracy.Further, intermediate plate lower surface is provided with one layer of elastic rubber material, so can preferably and electronics
The face of weighing of weighing apparatus fits, and it is weighed accurately.
Used as optimization, electronic weigher has a display screen for being located at side, display screen just to agitator side on
It is provided with watch window.So, beneficial to reading.
Used as optimization, outer wall of basement pours the method for smashing using layer and section circulation, by exterior wall peripherally around girth staged and layered
Circulation successively is poured, and lift height cannot be greater than 500mm;Often circle joint must be completed before concrete initial set, and turn-taking carries out week
And renew, until exterior wall is poured smashes completion;Pouring quality can be better ensured that, and raising pours efficiency, while this segmentation point
Layer pours mode so that pour the time per section concrete and waterproof material use time matches, better ensure that every section of coagulation
Soil pour after waterproof effect.
Used as optimization, outer wall of basement is poured after finishing, for raft plate base by the way of PNC waterproof material solution is brushed
When plinth outside is with outer wall of basement intersection area waterproof construction, PNC401 materials and water are according to mass ratio 5:3 ratio mixing
Coating is uniformly mixing to obtain, by coating application in raft foundation outside and outer wall of basement intersection area, point of twice brushing treats the
When one time coating is tack-free, second brushing is carried out.So, it is simple with construction, joining place seepage can be better protected from, protect
The overall waterproof effect in card hypogee.External wall is brushed using PNC401 wherein, it is desired to position basal plane cleaning, it is wet
Profit, Wu Mingshui, and brushing height prolongs 300mm on steel plate for sealing water, forms the effective waterproof lap of splice, it is ensured that peripheral anti-water quality
Amount.
In sum, the present invention has construction simple, and short time limit, expense is low, the advantage of good water-proof effect, is particularly suitable for
Practiced in the building basement external wall construction of the deeper skyscraper of foundation ditch.
Brief description of the drawings
During Fig. 1 is specific embodiment, the side view of outer wall of basement pouring construction platform structure is adopted.
Fig. 2 is the top view for descending room exterior wall pouring construction platform structure as shown in Figure 1.
During Fig. 3 is specific embodiment, the structural representation of water-proof concrete configuration device.
Fig. 4 is the front view of independent agitator in Fig. 3.
Fig. 5 is the top view of Fig. 4.
Specific embodiment
With reference to specific embodiment and accompanying drawing, the present invention is described in further detail.
Specific embodiment:
A kind of building basement external wall waterproof construction method, its feature is that this method is entered using addition PNC803 waterproof materials
The mode for entering outer wall of basement casting concrete realizes waterproof construction.
PNC waterproof materials are interior biography waterproof material of splashing, and are a kind of existing waterproof materials, but applicant's first Application is in upper
State the building foundation waterproof construction of mode.Cost-effective with easy construction safety, the duration is shorter, and waterproof effect is outstanding, quality
Reliable durable is strong and the advantages of environmental protection.
The dusty material that PNC803 is formulated by Portland cement and various chemical substances, during concrete-agitating
, there is the water insoluble crystalline solid of chemical reaction generation in addition, be filled, seal with concrete-agitating thing reclaimed water, calcium hydroxide
Stifled capillary and contraction fissure, make water or other liquid in any direction all cannot be introduced into, so as to reach the purpose of waterproof.It is anhydrous
When, the active component of PNC803 in a dormant state, will be reactivated when being contacted with water again, produce new crystalline solid,
Concrete is set to obtain permanent waterproof, anti-corrosion protection.Therefore it is able to ensure that different situations each can reach good waterproof effect.
This method specifically includes following construction procedure:
(1) dabbing treatment;I.e. in raft foundation formwork pouring construction, outdoor wall displacement is accordingly descended at raft foundation edge
Formed by integrally casting goes out one section of outer wall foundation for raising up, pre-buried reinforcing bar straight up in outer wall foundation, pre- in the middle of outer wall foundation
Steel plate for sealing water is buried, steel plate for sealing water half exposes outer wall foundation upper surface, the outer wall foundation upper surface is entered before concrete final set
The treatment of row dabbing, forms male and fomale(M&F), and rinsed well with water;Ensure connection effect.
(2) the reinforcing bar colligation of outer wall of basement is completed based on embedded bar in outer wall foundation;
Outer wall of basement must be stayed by construction drawing and set wall joint bar model, quantity and spacing, same to wall reinforcement;Wall vertical reinforcement
The screwed pipe joint in work progress, and same section overlapping area is not more than 50%, between the wall position joint bar of levels floor
Away from position is consistent, prevents dislocation;
(3) formwork erection;During formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or in basement
One section of the position formation evagination of beam slab and interior wall pours chamber in exterior wall respective chamber/chambers;Simultaneously outer wall of basement and indoor beam slab with
And interior wall junction is fixedly installed block;(Block for ensureing the connection between outer wall of basement and indoor beam slab and interior wall,
Increase concrete mobile obstacle again simultaneously, thus be avoided that the stream of concrete between outer wall of basement and indoor beam slab and interior wall
It is dynamic so that the position of indoor beam slab and interior wall pours can be cost-effective using the concrete for being not added with PNC waterproof materials, together
When avoid concrete from flowing also ensure that the waterproof effect of joining place outer wall body)
In implementation process, during specific formwork, support system requirement is smooth vertical and horizontal between template and template, and firmly, side form is oblique for fulcrum
The bottom of support adds chock, and has enough compression areas;The bottom surface requirement of wall and post template is levelling, and lower end is carried out with advance
Benchmark be close to and level up;When continuing installation form on wall, pillar, template has reliable supporting-point, to ensure wall, post section
Size, cross dimensions is ensured in formwork with concrete cuns, and spacing is 2m or so;Its flatness and perpendicularity should carry out school
Just;
(4) concreting, including concrete is the step of configure and the step of pouring;When pouring, outer wall of basement corresponding templates
Using the concreting of addition PNC waterproof materials in inner chamber, indoor beam slab and the corresponding template inner chamber of interior wall use and are not added with
The concreting of PNC waterproof materials;
Outer wall of basement pours the method for smashing using layer and section circulation, exterior wall is peripherally circulated successively around girth staged and layered and is poured,
Lift height cannot be greater than 500mm;Often circle joint must be completed before concrete initial set, turn-taked and gone round and begun again, until outward
Wall is poured smashes completion;Pouring quality can be better ensured that, and raising pours efficiency, while this staged and layered pours mode, makes
Pour the time and waterproof material use time matches per section concrete, better ensure that every section concrete pour after waterproof
Effect.
(5) form removal, concrete strength reaches more than 2.5MPa, carries out form removal construction;
Concrete should not be damaged in form removal, front face template mainly using moving integrally, notes the steady of template in moving process
Qualitative, security, it is ensured that construction safety.
So, using aforesaid way step, waterproof material is added in concrete and is poured, the coagulation civil engineering for obtaining
Build nature and possess good waterproof effect, and do not influence the normal construction step of construction.
Using pour with concrete add PNC waterproof materials carry out raft foundation waterproof construction specific pouring construction walk
It is rapid identical with the construction of common raft foundation, carry out deep basal pit waterproof construction with addition PNC waterproof materials in concrete using pouring
Specific pouring construction step it is identical with common deep foundation pit construction.
In present embodiment, pour carries out outer wall of basement waterproof construction process with addition PNC waterproof materials in concrete
In, after outer wall of basement is poured exceedes constructor's height to height, when model sheetinstallat is reinforced, using on the outside of outer wall of basement
Installation platform, operator station carries out upward model sheetinstallat and reinforces on operation platform.
The operation platform structure is as Figure 1-Figure 2, including vertically arranged and horizontal interval is arranged in outer wall of basement
The vertical vertical rod 13 of a row between 11 and foundation ditch inwall 12, being horizontally disposed with vertical vertical rod 13 has multiple rows of interval row along the vertical direction
The hyphen bar 14 of cloth, one end of hyphen bar 14 is weldingly fixed on the outer wall of basement water-proof bolt outer end 15 for having poured, other end anchor
Gu on foundation ditch inwall 12, being fixed using fastener between hyphen bar 14 and vertical vertical rod 13, the upper surface Yan Shui of hyphen bar 14 is often arranged
Flat vertical direction overlaps and is provided with the first long transverse lever 16 and the second long transverse lever 17, the first long transverse lever 16 and the second long transverse lever 17
It is intervally arranged and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long transverse lever is each and hyphen
Fixed using fastener between bar, the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate 18.
So, hyphen bar as platform brace foundation, one end is anchored in foundation ditch inwall, and the other end is fixedly welded on sealing
Bolt, then support is realized by the simple single vertical vertical rod in middle part, simple structure ensure that the stability of support, while by
Only have single in vertical vertical rod and connected using fastener and hyphen bar, therefore interference will not be produced, the equal extremely convenient of installing/dismounting is fast
It is prompt.Two long transverse levers and the bamboo yoke plate simple structure of laying for setting, and facilitate workman to walk thereon, improve security.
In present embodiment, between outer wall of basement and foundation ditch inwall ground along outer wall of basement length direction also level
Support baseboard 19 is equipped with, support baseboard upper surface is arranged at intervals with installation groove along outer wall of basement length direction, described perpendicular
It is plugged in installation groove to vertical rod lower end correspondence.So, the installation of vertical vertical rod is facilitated to position, while support baseboard improves
Operation platform lower end load area, it is to avoid vertical vertical rod lower end is absorbed in soil and influences operation platform stability.As optimization,
The hyphen bar 14, the first long transverse lever 16 and the second long transverse lever 17 are obtained using the steel pipe of φ 48 × 3.0, with low cost
It is honest and clean, easy construction, reliable and stable advantage.Used as optimization, the height distance between adjacent two rows hyphen bar is 1.5 meters, is often arranged
Per adjacent 1.2 meters of two hyphen bars level interval between hyphen bar;The size can both ensure that the overall structure of operation platform was steady
Solidity, again will not waste of materials too much, it is cost-effective, and very convenient workman climbs up and over up and down.As optimization, hyphen bar one end
Anchor into foundation ditch inwall 30cm;The size can both reduce the difficulty of anchoring.Convenient construction, ensure that again anchoring load-bearing can
By property.
During implementation, the vertical vertical rod is disposed adjacent with the first long transverse lever near foundation ditch inwall.Because hyphen bar
Fixed with the mode that foundation ditch inwall is anchoring, to be welded on water-proof bolt, the former is not so good as the latter by steadiness to the hyphen bar other end,
Therefore vertical vertical rod is disposed in proximity to the former position, can preferably improve the integrally-built stability of operation platform and reliability
Property.
In present embodiment, pour carries out outer wall of basement waterproof construction process with addition PNC waterproof materials in concrete
In, when concrete is configured, realized using the water-proof concrete configuration device shown in Fig. 3-Fig. 5, including a concrete tank
21, be provided with a plastic water bag 23 also including an agitator 22, in agitator 22, the upper end open edge of plastic water bag 23 and
The upper port edge of agitator 22 is consistent and connected, and the length after plastic water bag extends is equal to or higher than agitator depth, agitator
22 bottoms are located at plastic water bag lower section and are provided with electronic weigher 24, and electronic weigher 24 has a level for being located at the top
Set weigh face and this weigh face positioned at agitator middle part, the upper end side of agitator 22 is also outwards provided with and communicated with water inlet pipe
25, the inner of water inlet pipe 25 is sealingly connected to inside plastic water bag 23, and water inlet switch valve 26, agitator 22 are provided with water inlet pipe 25
Lower end side is also outwards provided with and communicated with outlet pipe 27, and the inner of outlet pipe 27 is sealingly connected to inside plastic water bag, outlet pipe 27
On be provided with effluent switch valve 28 and water pump 29, the water side of outlet pipe 27 is connected to the entrance of agitator tank on concrete tank 21.
So, when using, effluent switch valve can be first closed, water inlet switch valve is opened, by water inlet pipe to plastic water bag
Interior water inlet, water inlet switch valve is closed after the water that fixed mass is entered by electronic weigher metering, is subsequently adding correspondence ratio
PNC waterproof materials after stirring, then open effluent switch valve and water pump and uniformly will be mixed with PNC waterproofs in plastic water bag
The water of material is directly pumped into agitator tank, adds concrete formulation to be stirred.So, first realize that PNC prevents by agitator
Be added directly into concrete drums after the stirring and evenly mixing of water material, it is ensured that in concrete PNC waterproof materials be mixed into it is equal
Even property, and promptness, the time conditions for using itself and waterproof material itself are matched, it is ensured that good waterproof effect.
In present embodiment, also including self- poking arrangement, self- poking arrangement includes a tripod 30, tripod 30
Including circumferential equally distributed three foot levers, foot lever the inner is fixedly connected a motor 31, foot lever length and agitator radius
Matching and foot lever outer end are curved for the bending with the clamping of agitator edge under being, motor output end be connected with one vertically to
The agitating shaft 32 of lower extension, the lower end of agitating shaft 32 extends to agitator middle and lower part position and the lower end is provided with stirring vane
33。
So, stirring barrel edge can be fixed on by tripod foot lever so that stirring vane is deep into agitator
Inside, drives stirring vane to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Influence weight calculation is weighed.
In present embodiment, one piece of intermediate plate 34, intermediate plate are additionally provided between electronic weigher 24 and plastic water bag 23
34 is horizontally disposed and shape is consistent with agitator lumenal cross-section, and intermediate plate edge and being stirred leave between barrel cavity can be in
Between the gap that slides up and down of plate, intermediate plate upper surface is directly affixed in the middle part of setting, intermediate plate lower surface and electronics with plastic water bag
The face of weighing of weighing apparatus is affixed setting.So can preferably by the weight transmitting of plastic water bag to electronic-weighing by intermediate plate
On device, accuracy of weighing is improved.Further, the lower surface of intermediate plate 34 is provided with one layer of elastic rubber material 35, so makes it
The face of weighing that can be preferably with electronic weigher fits, and it is weighed accurately.
In present embodiment, electronic weigher 24 have one be located at side display screen 36, display screen just to stirring
Barrel side is provided with watch window on face.So, beneficial to reading.
In present embodiment, using brush PNC waterproof material solution by the way of for raft foundation outside with underground room outside
During the waterproof construction of wall intersection area, PNC401 materials and water are according to mass ratio 5:3 ratio mixing and stirring obtains coating,
By coating application in raft foundation outside and outer wall of basement intersection area, point twice brushing, when first pass coating is tack-free,
Carry out second brushing.So, it is simple with construction, joining place seepage can be better protected from, it is ensured that hypogee entirety
Waterproof effect.External wall is brushed using PNC401 wherein, it is desirable to position basal plane cleaning, moistening, Wu Mingshui, and brushed
Height prolongs 300mm on steel plate for sealing water, forms the effective waterproof lap of splice, it is ensured that peripheral waterproof quality.
The construction method of above-mentioned specific embodiment also has the characteristics that:
1 easy construction, safety easily ensure;Splash interior biography(PNC401)Can be used at the waterproof of concrete structure upstream face or back side
Reason, required working face is small, the technological operation such as can spread, brush using dry, while need not be prevented in narrow and small barricade outer space
Water is constructed, and from slope failure and can be subjected to the danger that object hits, safe.
2 is cost-effective;Interior biography waterproof splash without screed-coat and protective layer, brushing exterior wall working strength is small, required working face
It is small, part labourer's expense is saved, and when carrying out backfill, laying reinforcing bar or steel wire or other normal process steps, coating is without special
Do not protect.The maintenance cost in building structure later stage is low, comprehensive cost low.
3 save the duration;Without fertile groove basis in outer wall of basement in carry out interior biography of splashing(PNC803)Addition, without making
Shape wall and single side formwork are constructed, and the absolute construction period is not accounted for, and interior biography of splashing can be directly added in exterior wall concrete construction
(PNC803), working strength is small, and high working efficiency has largely saved the duration.
4 permanent waterproofs;Interior biography water-proof concrete of splashing allows that concrete is breathed freely(Breathing), do not allow vapor to gather, make coagulation
Soil keeps being completely dried, and suppresses or reduce the generation in inside concrete space by material configuration, changes the formation in space
And size characteristic, the water flowing road of inside concrete is blocked, the density of itself is improved to reach the purpose of waterproof.Simultaneously to mixed
There is scratch phenomenon in solidifying soil surface, on interior biography waterproof of splashing without influence, forms the permanent waterproof of concrete.
5 reliable in quality, durability is strong;There is the microcrack for being not more than 0.4mm, the activation of interior biography of splashing in building underground structure
Learning material can again be catalyzed new crystalline solid, be filled, block crack, extend the service life of building, improve and build
Build the economic life of thing, and hydrostatic pressure high can be born, no matter from upstream face or back side, for concrete structure is provided
Permanent impermeable, LP blades protection, durability enhancing.
6 environmental protections;Interior biography product of splashing is nontoxic, tasteless, reduces chemical hazard present on building site, and avoid and build
The generation of building refuse, " green " building of the national call of active response, " green " are constructed.
Claims (10)
1. a kind of building basement external wall waterproof construction method, it is characterised in that this method is using addition PNC803 waterproof materials
Mode into outer wall of basement casting concrete realizes waterproof construction.
2. building basement external wall waterproof construction method as claimed in claim 1, it is characterised in that specifically include following step
Suddenly:
(1) dabbing treatment;I.e. in raft foundation formwork pouring construction, outdoor wall displacement is accordingly descended at raft foundation edge
Formed by integrally casting goes out one section of outer wall foundation for raising up, pre-buried reinforcing bar straight up in outer wall foundation, pre- in the middle of outer wall foundation
Steel plate for sealing water is buried, steel plate for sealing water half exposes outer wall foundation upper surface, the outer wall foundation upper surface is entered before concrete final set
The treatment of row dabbing, forms male and fomale(M&F), and rinsed well with water;
(2) the reinforcing bar colligation of outer wall of basement is completed based on embedded bar in outer wall foundation;
(3) formwork erection;During formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or in basement
One section of the position formation evagination of beam slab and interior wall pours chamber in exterior wall respective chamber/chambers;Simultaneously outer wall of basement and indoor beam slab with
And interior wall junction is fixedly installed block;
(4) concreting, including concrete is the step of configure and the step of pouring;When pouring, outer wall of basement corresponding templates
Using the concreting of addition PNC waterproof materials in inner chamber, indoor beam slab and the corresponding template inner chamber of interior wall use and are not added with
The concreting of PNC waterproof materials;
(5) form removal, concrete strength reaches more than 2.5MPa, carries out form removal construction.
3. building basement external wall waterproof construction method as claimed in claim 2, it is characterised in that in work progress, it is local
Lower room exterior wall is poured after exceeding constructor's height to height, when model sheetinstallat is reinforced, is applied using being installed on the outside of outer wall of basement
Work platform, operator station carries out upward model sheetinstallat and reinforces on operation platform;Operation platform structure includes vertically arranged
Being horizontally disposed with and horizontal interval is arranged in the vertical vertical rod of a row between outer wall of basement and foundation ditch inwall, in vertical vertical rod has many
The hyphen bar that row is intervally arranged along the vertical direction, hyphen bar one end is weldingly fixed on outside the outer wall of basement water-proof bolt for having poured
End, the other end is anchored on foundation ditch inwall, is fixed using fastener between hyphen bar and vertical vertical rod, often arranges hyphen bar upper surface edge
The direction of horizontal vertical is overlapped and is provided with the first long transverse lever and the second long transverse lever, and the first long transverse lever and the second long transverse lever interval are arranged
Cloth and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long transverse lever are each and hyphen bar between
Fixed using fastener, the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate.
4. building basement external wall waterproof construction method as claimed in claim 3, it is characterised in that outer wall of basement and foundation ditch
Ground is equipped with support baseboard along the length direction also level of outer wall of basement between inwall, and support baseboard upper surface is along basement
Exterior wall length direction is arranged at intervals with installation groove, and the vertical vertical rod lower end correspondence is plugged in installation groove.
5. building basement external wall waterproof construction method as claimed in claim 2, it is characterised in that when concrete is configured, adopt
Realized with following water-proof concrete configuration device, including a concrete tank, also including an agitator, set in agitator
A plastic water bag is equipped with, plastic water bag upper end open edge is consistent with agitator upper port edge and is connected, and plastic water bag prolongs
Length after exhibition is equal to or higher than agitator depth, and stirring bottom of the barrel is located at plastic water bag lower section and is provided with electronic weigher, electricity
Sub- weighing apparatus have one be located at the top it is horizontally disposed weigh face and this weigh face positioned at agitator middle part, on agitator
End side is also outwards provided with and communicated with water inlet pipe, and water inlet pipe the inner is sealingly connected to inside plastic water bag, is provided with water inlet pipe
Water inlet switch valve, agitator lower end side is also outwards provided with and communicated with outlet pipe, and outlet pipe the inner is sealingly connected to plastic water bag
Inside, is provided with effluent switch valve and water pump on outlet pipe, outlet pipe water side is connected to entering for agitator tank on concrete tank
Mouthful.
6. building basement external wall waterproof construction method as claimed in claim 5, it is characterised in that water-proof concrete configuration dress
Putting also includes self- poking arrangement, and self- poking arrangement includes a tripod, and tripod includes circumferential equally distributed three
Root foot lever, foot lever the inner is fixedly connected a motor, curved use under foot lever length and agitator radius are matched and foot lever outer end is
In the bending with the clamping of agitator edge, motor output end is connected with an agitating shaft for extending straight down, under agitating shaft
End extends to agitator middle and lower part position and the lower end is provided with stirring vane.
7. building basement external wall waterproof construction method as claimed in claim 5, it is characterised in that water-proof concrete configuration dress
One piece of intermediate plate is additionally provided with putting, between electronic weigher and plastic water bag, intermediate plate is horizontally disposed with and shape and agitator
Lumenal cross-section is consistent, and the gap that can be slided up and down for intermediate plate is left between intermediate plate edge and stirring barrel cavity, middle
Plate upper surface is directly and plastic water bag is affixed setting, and intermediate plate lower surface middle part and the face of weighing of electronic weigher are affixed setting.
8. building basement external wall waterproof construction method as claimed in claim 5, it is characterised in that electronic weigher has
The individual display screen positioned at side, display screen just to agitator side on be provided with watch window.
9. building basement external wall waterproof construction method as claimed in claim 2, it is characterised in that outer wall of basement using point
Layer stages cycle pours the method for smashing, and exterior wall is peripherally circulated successively around girth staged and layered and is poured, and lift height cannot be greater than
500mm;Often circle joint must be completed before concrete initial set, turn-taked and gone round and begun again, until exterior wall is poured smashes completion.
10. building basement external wall waterproof construction method as claimed in claim 2, it is characterised in that outer wall of basement is poured
After finishing, for raft foundation outside and outer wall of basement intersection area waterproof by the way of PNC waterproof material solution is brushed
During construction, PNC401 materials and water are according to mass ratio 5:3 ratio mixing and stirring obtains coating, by coating application in raft
Plate basis outside and outer wall of basement intersection area, point twice brushing, when first pass coating is tack-free, carry out second painting
Brush.
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CN201811050769.9A CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
CN201811052233.0A CN109056844B (en) | 2017-02-27 | 2017-02-27 | Waterproof construction method for outer wall of basement of building |
CN201710107644.4A CN106836310B (en) | 2017-02-27 | 2017-02-27 | A kind of building basement external wall waterproof construction method |
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CN201811050769.9A Division CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
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CN201811050769.9A Pending CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
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CN109137971A (en) * | 2018-08-28 | 2019-01-04 | 中国化学工程第十四建设有限公司 | The impervious construction technology of underground tank |
CN110847445A (en) * | 2019-11-25 | 2020-02-28 | 苏州二建建筑集团有限公司 | Construction method for integrally forming outer wall and bottom plate of cast-in-place concrete structure of structure |
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CN113944262B (en) * | 2021-10-21 | 2023-04-14 | 武汉建工集团股份有限公司 | Construction method for foundation-column-free type deep foundation pit and outer wall integrated structure |
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CN110847445A (en) * | 2019-11-25 | 2020-02-28 | 苏州二建建筑集团有限公司 | Construction method for integrally forming outer wall and bottom plate of cast-in-place concrete structure of structure |
Also Published As
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CN109056844B (en) | 2020-11-17 |
CN109056844A (en) | 2018-12-21 |
CN109024700A (en) | 2018-12-18 |
CN106836310B (en) | 2018-12-04 |
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